WO2014021664A1 - 제어 정보를 시그널링 하는 방법 및 이를 위한 장치 - Google Patents
제어 정보를 시그널링 하는 방법 및 이를 위한 장치 Download PDFInfo
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- WO2014021664A1 WO2014021664A1 PCT/KR2013/006958 KR2013006958W WO2014021664A1 WO 2014021664 A1 WO2014021664 A1 WO 2014021664A1 KR 2013006958 W KR2013006958 W KR 2013006958W WO 2014021664 A1 WO2014021664 A1 WO 2014021664A1
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- cell
- control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0076—Distributed coding, e.g. network coding, involving channel coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1864—ARQ related signaling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
Definitions
- the present invention relates to a wireless communication system, and more particularly, to a method for signaling control information and an apparatus therefor.
- Wireless communication systems are widely deployed to provide various kinds of communication services such as voice and data.
- a wireless communication system is a multiple access system capable of supporting communication with multiple users by sharing available system resources (bandwidth, transmission power).
- multiple access systems include a code division multiple access (CDMA) system, a frequency division multiple access (FDMA) system, a time division multiple access (TDMA) system, an orthogona 1 frequency division multiple access (0FDMA) system, SC to FDMA (single carrier frequency division multiple access) system.
- CDMA code division multiple access
- FDMA frequency division multiple access
- TDMA time division multiple access
- OFDMA orthogona 1 frequency division multiple access
- SC to FDMA single carrier frequency division multiple access
- An object of the present invention is to provide a method and apparatus for transmitting and receiving control information efficiently in a wireless communication system.
- the present invention provides a method and apparatus therefor for efficiently transmitting / receiving control information in an inter-site carrier aggregat ion (CA).
- CA inter-site carrier aggregat ion
- a method for a UE for transmitting and receiving at least one control information and response signal enhancement in a carrier aggregation-based wireless communication system CLAIMS comprising: forming a first seal group having a PCelKPrimary Cell, comprising: forming a second cell group having at least one secondary cell; Performing a process for transmitting / receiving at least one of a specific cell—related control information and a response signal, wherein the control information when the first cell group and the second cell group are managed by the same base station; And when the at least one of the answer signals is transmitted and received on the first cell group or the second cell group, and the first cell group and the second cell group are managed by different base stations, the control information and the response signal.
- An increase of at least one is provided according to a control information type, and is transmitted and received only on either cell group of the first cell group or the second cell group.
- a terminal configured to transmit and receive at least one control signal and a male answer signal enhancement in a carrier aggregation based wireless communication system, comprising: a radio frequency (RF) unit; And a processor, wherein the processor constitutes a first cell group having a PCelKPrimary Cell, a second cell group having one or more Secondary Cells, and among the specific cell-related control information and a voicing signal.
- RF radio frequency
- At least one of the control information and the voice response signal is the first cell group or
- at least one of the control information and the voice response signal is transmitted and received on the second cell group according to the control information type.
- a terminal that transmits and receives only on one or a group of cells.
- the first cell group and the second cell group are managed by different base stations, and the control information is configured / reconfigured by RRC (Radio Resource Control) -related information, RLM (Radio Link Monitoring). ) -Related information, R ⁇ (Radio Resource Management) —related information and handover-related information may include at least one.
- RRC Radio Resource Control
- RLM Radio Link Monitoring
- R ⁇ Radio Resource Management
- At least one of the control information and the voice response signal may be transmitted and received only on the first cell group.
- the first cell group and the second cell group are managed by different base stations, and the control information is a SCell activation / deactivation message, TACCTiming Advance Co ⁇ and, DC I (Down link Control).
- the control information is a SCell activation / deactivation message, TACCTiming Advance Co ⁇ and, DC I (Down link Control).
- CSI channel state information
- the TAC when the control information includes a TAC and the first cell group and the second cell group are managed by the same base station, the TAC includes at least one of the first cell group and the second cell group.
- a TAC for each TAG Timing Advance Group and if the control information includes a TAC and the first cell group and the second cell group are managed by different base stations, the TAC It can contain only TAG-specific TACs for the cell groups it belongs to.
- the DCI is at least one of the first cell group and the second cell group.
- the scheduling information for one and if the control information includes a DCI and the first cell group and the second cell group is managed by different base stations, the DCI is for the cell group to which the particular cell belongs It may contain only scheduling information.
- control information may be efficiently transmitted / received in the inter-site CA.
- FIG. 1 illustrates a network structure of an Evolve UMTS (Evolved Universal Mobile Telecom TM Unicat ions System).
- Evolve UMTS Evolved Universal Mobile Telecom TM Unicat ions System
- FIG. 1 illustrates the structure of the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and the gateway.
- E-UTRAN Evolved Universal Terrestrial Radio Access Network
- Figures 3A-3B illustrate a user / control plane protocol.
- FIG. 4 illustrates the structure of a radio frame.
- 5 illustrates a structure of an uplink subframe.
- FIG. 6 shows a slot level structure of PUCOKPhysical Uplink Control Channel) format la / lb.
- Figure 9 illustrates an uplink-downlink timing relationship.
- Figure 10 illustrates a handover procedure
- FIG. 11 shows an example of determining a PUCCH resource for ACK / NACK (Acknowledgement / Negative Acknowledgement) transmission.
- FIG. 13 illustrates a Carrier Aggregation (CA) communication system.
- CA Carrier Aggregation
- FIG. 14 illustrates scheduling when a plurality of carriers are merged.
- 15 shows an example of allocating a PDCCH to a data region of a subframe.
- TAC Timing Advance Coordinate
- C 19 represents Power Headroom Report (PHR) MAC CE.
- FIG. 20 shows an inter-site carrier aggregat ion (CA).
- FIG. 21 illustrates a signaling method / path according to an embodiment of the present invention.
- Figure 22 illustrates a base station and a terminal that can be applied to the present invention.
- CDMA Code Division Multiple Access
- FDMA frequency divisicin mul t iple access
- TDMA t ime division mult iple access
- OFDMMorthogonal frequency division multiple access SC _ FDMA (single carrier frequency division It can be used in various wireless access systems such as multi le access.
- CDMA may be implemented with radio technologies such as UTRA Universal Terrestrial Radio Access) or CDMA2000.
- TDMA may be implemented in a wireless technology such as Global System for Mobile Communications (GSM) / General Packet Radio Service (GPRS) / Enhanced Data Rates for GSM Evolution (EDGE).
- GSM Global System for Mobile Communications
- GPRS General Packet Radio Service
- EDGE Enhanced Data Rates for GSM Evolution
- 0FDMA can be implemented with wireless technologies such as IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802-20, and Evolved UTRA (E-UTRA).
- UTRA is part of UMTSOJni versa 1 Mobile Telecommunications System.
- 3rd Generation Partnership Project (3GPP) long term evolution (LTE) employs OFDM in downlink and SC-FDMA in uplink as part of Evolved UMTS (E-UMTS) using E-UTRA.
- LTE-M Advanced is an evolution of 3GPP LTE.
- E— UMTS is also called LTE system.
- Communication networks are widely deployed to provide various communication services such as voice and packet data.
- an E-UMTS network includes an Evolved Universal Terrestrial Radio Access Network (E_UTRAN), an Evolved Packet Core (EPC), and one or more UEs.
- the E-UTRAN may include one or more base stations (eNBs) 20.
- the plurality of terminals 10 may be located in one cell.
- One or more E-UTRAN mobility management entity / system architecture (E / SAE) gateways 30 may be located at the network end and connected to the external network. Downlink refers to communication from the base station 20 to the terminal 10, and uplink refers to communication from the terminal to the base station.
- E / SAE E-UTRAN mobility management entity / system architecture
- the terminal 10 is a communication device carried by a user (MS). Also referred to as a user terminal (UT), subscriber station (SS), or wireless device.
- Base station 20 is generally a fixed station that communicates with terminal 10 and may also be referred to as an access point (AP).
- the base station 20 provides the terminal 10 with end points of the user plane and the control plane.
- One base station 20 may be arranged per cell.
- An interface for transmitting user traffic or control traffic may be used between the base stations 20.
- the EVSAE gateway 30 provides an end point of the session and mobility management function to the terminal 10.
- Base station 20 and the E / SAE gateway 30 may be connected via an S1 interface.
- ⁇ E provides various functions including distribution of paging messages to base stations 20, security control, dormant mobility control, SAE bearer control, and encryption and integrity protection of non-access layer (NAS) signaling. to provide.
- the SAE gateway host provides various functions including end of plane packets and user plane switching for terminal 10 mobility support.
- ⁇ E / SAE gateway 30 is referred to simply herein as gateway. However, the E E / SAE gateway 30 includes both E E and SAE gateways.
- a plurality of nodes may be connected between the base station 20 and the gateway 30 through the S1 interface.
- Base stations 20 may be interconnected via an X2 interface and these clothing base stations may have a mesh network structure having an X2 interface.
- FIG. 2 shows the structure of a generic E ⁇ UTRAN and a generic gateway 30.
- base station 20 may select a gateway 30, route to the gateway during Radio Resource Control (RRC) activation, scheduling and transmission of paging messages, and broadcast channel (BCCH). scheduling and transmission of information, the direction / DL "dynamic resource allocation for UEs 10 in both, of the base station measurement configurations and preparation, radio bearer control, radio admission control (RAC), and connection in LTE ACTIVE state eu Functions such as mobility control can be performed.
- Gateway 30 may perform functions such as paging transmission, LTE_IDLE state management, user plane encryption, system architecture evolution (SAE) bearer control, and encryption and integrity protection of non-access layer (NAS) signaling.
- SAE system architecture evolution
- NAS non-access layer
- Figures 3A-3B illustrate a user-plane protocol and control-plane protocol stack for E-UMTS.
- the protocol layers are based on the lower three layers of the Open System Interconnect (0SI) standard model known in the art of communication systems: first layer (L1), second layer (L2) and It may be divided into a third layer (L3).
- SI Open System Interconnect
- the physical tradeoff which is the first layer (L1), provides information transmission service to a higher layer by using a physical channel.
- the physical layer is connected through a transport channel to a medium access control (MAC) link located at a higher level, and data is transmitted between the MAC layer and the physical layer through the transport channel. It is transmitted on the physical channel between layers.
- MAC medium access control
- the MAC layer of the second layer provides a service to a radio link control (RLC) layer, which is a higher layer, through a logical channel.
- RLC radio link control
- the RLC layer of the second layer 2 (L2) supports reliable data transmission.
- the RLC negotiation is included as a functional block of the MAC layer.
- the PDCPCPacket Data Convergence Protocol (Layer 2) layer 2 performs header compression. Header compression allows efficient transmission of Intervet Protocol (IP) packets, such as IPv4 or IPv6, over air interfaces with relatively small bandwidths.
- IP Intervet Protocol
- the radio resource control (RRO layer located at the lowermost part of the third layer (L3) is defined only in the control plane.
- the RC layer is associated with logical channels, transport channels and
- the physical channel is controlled RB means a service provided by the second layer (L2) for data transmission between the terminal 10 and the E-UTRAN.
- the RLC and MAC layers may terminate at base station 20 and perform functions such as scheduling, automatic retransmission request (ARQ), and hybrid automatic retransmission request (HARQ). All.
- the PDCP layer terminates at base station 20 and may perform functions such as header compression, integrity protection, and encryption.
- the RLC and MAC layers are terminated at the base station 20 and perform the same functions as in the control plane.
- the RRC layer may terminate at base station 20 and perform functions such as broadcasting, paging, RRC connection management, radio bearer (RB) control, mobility functionality, and terminal measurement reporting and control.
- the NAS control protocol terminates at ⁇ E of the gateway 30 and performs functions such as SAE bearer management, authentication, LTE_IDLE mobility handling, paging transmission in LTELIDLE state, and security control for signaling between the gateway and the terminal 10. can do.
- the NAS control protocol can use three states.
- the LTE_IDLE state is used when there is no RRC connection while storing the minimum terminal 10 information.
- the LTE_ACTIVE state is used when the RRC state is set.
- the RRC state is subdivided into RRC 'IDLE and RRC ONNECTED states.
- the terminal 10 performs a discontinuous reception (DRX) set by the NAS by using only 1D allocated in the tracking area. That is, the terminal 10 may receive a broadcast of system information and paging information by monitoring a paging signal at a specific paging opportunity every UE-specific paging DRX cycle.
- DRX discontinuous reception
- the terminal 10 may receive a broadcast of system information and paging information by monitoring a paging signal at a specific paging opportunity every UE-specific paging DRX cycle.
- no RRC context is stored at the base station.
- the UE 10 may transmit and / or receive data to / from the base station using an E-UTRAN RRC connection and a context in the E-UTRAN.
- the terminal 10 may report channel quality information and feedback information to the base station.
- the E-UTRAN knows the cell to which the terminal 10 belongs. Accordingly, the network may transmit and / or receive data to / from the terminal 10, control mobility such as handover of the terminal, and perform cell measurement on neighboring cells.
- FIG. 4 illustrates a structure of a radio frame.
- the E-UMTS system uses a radio frame of 10 ms and one radio frame includes 10 subframes. Also, One subframe consists of two consecutive slots. The length of one slot
- one subframe consists of a plurality of symbols (eg, OFDM symbol, SOFDMA symbol).
- One subframe consists of a plurality of resource blocks, and one resource block consists of a plurality of symbols and a plurality of subcarriers.
- some symbols eg, first symbols
- some symbols among a plurality of symbols constituting the subframe may be used to transmit L1 / L2 control information.
- up to three (4) OFDM symbols located at the front of the first slot of the subframe correspond to a control region to which a downlink control channel is allocated for transmission of L1 / L2 control information.
- the remaining OFDM symbols correspond to data regions to which the Physical Downlink Shared Channel (PDSCH) is allocated.
- Examples of the downlink control channel include a PCFICK Physical Control Format Indicator Channel (PCFICK), a Physical Downlink Control Channel (PDCCH), a PHICHCPhysical hybrid ARQ indicator Channel, and the like.
- PCFICH is transmitted in any first OFDM symbol of a subframe and carries information on the number of OFDM symbols used for transmission of a control channel within a subframe.
- the PHICH carries a HARQ ACK / NACK (hybrid automatic repeat request acknowledgment / negative acknowledgment) signal in response to uplink transmission.
- the control information transmitted through the PDCCH is called DCKDownlink Control Informat ion.
- the DC I format has formats 0, 3, 3A, 4, and formats 1, 1A, IB, 1C, ID, 2, 2A, 2B, and 2C defined for uplink.
- the DCI format is based on the hopping flag, resource block (RB) allocation, modular ion coding scheme (MCS), redundancy version (NDK), NDKNew Data Indicator (RK), Transmit Power Control (TPC), DMRS ( Optional information includes a cyclic shift for a DeModulat ion Reference Signal (CQI), a Channel Quality-Information (CQI) request, an HARQ process number, a transmitted precoding matrix indicator (TPMI), and a precoding matrix indicator (PI).
- CQI DeModulat ion Reference Signal
- CQI Channel Quality-Information
- TPMI transmitted precoding matrix indicator
- PI precoding matrix indicator
- the PDCCH includes a transmission format and resource allocation information of a downlink shared channel (DL-SCH), a transmission format and resource allocation information of an uplink shared channel (UL-SCH), a paging channel.
- DL-SCH Resource information of upper-layer control messages such as random access response transmitted on PDSCH, Tx power control command set for individual terminals in a terminal group, Tx power control command, VoIP (Vo ice over IP) Carry activation instruction information and the like.
- Multiple PDCCHs may be transmitted in the control region.
- the UE may monitor the plurality of PDCCHs.
- the PDCCH is transmitted on one or a plurality of consecutive control channel elements (CCEs), which are logical allocation units used to provide a PDCCH with a coding rate based on radio channel conditions.
- CCE corresponds to a plurality of Resource Element Groups (REGs).
- the format of the PDCCH and the number of PDCCH bits are determined according to the number of CCEs.
- the base station determines the PDCCH format according to the DCI to be transmitted to the terminal, and adds a CRC (Cyclic Redundancy Check) to the control information.
- the CRC is masked with an identifier (eg, Radio Network Temporary Identifier (RNTI)) according to the owner or purpose of use of the PDCCH.
- RNTI Radio Network Temporary Identifier
- an identifier eg, Cell-RNTI (ORNTI)
- ORNTI Cell-RNTI
- P-RNTD Paging RNTI
- the PDCCH may be system information (more specifically, a System Information Block (SIB)).
- SI-RNTI System Information RNTI
- RA-RNTI Random Access-RNTI
- 5 illustrates a structure of an uplink subframe.
- the subframe 500 having a length of 1 ms is composed of two 0.5 ms slots 501.
- the slot may include a different number of Single Carrier Frequency Division Multiple Access (SC_FDMA) symbols according to a cyclic prefix (CP) length.
- SC_FDMA Single Carrier Frequency Division Multiple Access
- CP cyclic prefix
- the resource block 503 is a resource allocation unit corresponding to 12 subcarriers in the frequency domain and one slot in the time domain.
- the structure of an uplink subframe is divided into a data region 504 and a control region 505.
- the data area includes a PUSCH (Physical Uplink Shared Channel) and transmits a voice signal Burber
- PUSCH Physical Uplink Shared Channel
- the control region includes a PUCOKPhysical Uplink Control Channel and is used for transmitting uplink control information (UCI).
- the PUCCH includes an RB pair (RB pair) located at both ends of the data region on the frequency axis and hops to a slot boundary.
- the PUCCH may be used to transmit the following control information.
- SR Scheduling Request
- [65]-CSK Channel State Information Feedback information (eg, Channel Quality Indicator, CQI) for the downlink channel.
- the feedback information related to MIMCKMul t iple Input ' Multiple Output (RQ) includes RKRank Indicator, PMKPrecoding Matrix Indicator, and FT I. 20 bits per subframe are used.
- the periodic CSKperiodic CSI (p-CSI) is periodically transmitted through the PUCCH according to the period 8 preset set by the upper layer.
- aperiodic CSHaperiodic CSI, a— CSI) is transmitted on the PUSCH aperiodically in accordance with the command of the base station.
- Table 1 shows a mapping relationship between PUCCH format and UCI in LTE / LTE-A.
- a / N transmission and CSI transmission may be required in the same subframe.
- only A / N transmission is performed using PUCCH format la / lb.
- CSI transmission drops do.
- a / N and CQI are transmitted together through PUCCH format 2 / 2a / 2b.
- a / N is embedded in the second RS of each slot (eg, RS multiplied by A / N) in PUCCH format 2a / 2b.
- a / N and CQI are joint coded and then transmitted through PUCCH format 2.
- FIG. 6 shows a slot level structure of the PUCCH format la / lb.
- the structure of PUCCH format 1 used for SR transmission is the same as that of PUCCH format la / lb.
- a / N information are respectively Binary Phase Shift Keying (BPSK) and Quadrature Phase Shift Keying (QPSK).
- the modulation is modulated according to the modulation method, and one A / N modulation symbol is generated (do).
- the corresponding bit is given as 1, and in the case of negative ACK (NACK), the corresponding bit Is given by zero.
- Table 4 shows a modulation table for PUCCH formats la and lb in legacy LTE.
- the PUCCH format la / lb performs cyclic shift (Cc) (a cs . X ) in the frequency domain and orthogonal code (0C) in the time domain (eg, Walsh-Hadamard or DFT). Code) (wo ⁇ .w ⁇ w ⁇ to spread).
- the PUCCH format 2 / 2a / 2b when a normal CP is configured, the PUCCH format 2 / 2a / 2b includes 5 QPSK data symbols and 2 RS symbols at a slot level.
- the PUCCH format 2 / 2a / 2b When the extended CP is configured, the PUCCH format 2 / 2a / 2b includes 5 QPSK data symbols and 1 RS symbol at the slot level. If an extended CP is configured, the RS symbol is located in the fourth SC- FDMA symbol in each slot.
- PUCCH format 2 / 2a / 2b can carry a total of 10 QPSK data symbols have.
- Each QPSK symbol is spread in the frequency domain by CS and then mapped to the corresponding SC-FDMA symbol.
- RS can be multiplexed by Code Division Multiplexing (CDM) using CS.
- CDM Code Division Multiplexing
- Figure 8 illustrates a random access (Random Access) process.
- the terminal receives information about random access from the base station through system information. Thereafter, if a random access is required, the terminal transmits a random access preamble (message 1) to the base station (S810).
- the base station transmits a random access response message (Random Access Response, RAR; Message 2) to the terminal (S820).
- RAR Random Access Response
- the downlink scheduling information for the random access voice response message may be CRC masked with a random access RNTI (RA-RNTI) and transmitted on an L1 / L2 control channel (PDCCH).
- RA-RNTI random access RNTI
- PDCCH L1 / L2 control channel
- the UE that receives the downlink scheduling signal masked by the RA-RNTI may receive and decode a random access response message from the scheduled PDSCH. Thereafter, the terminal checks whether the random access response message indicates random access response information indicated to the terminal. Whether random access response information indicated to the user exists may be determined by whether there is a random access preamble ID (RAID) for the preamble transmitted by the terminal.
- the random access response information includes timing advance (TA) indicating timing offset information for synchronization, radio resource allocation information used for uplink, and temporary identifier (eg, Temporary C-RNTI, TC-) for terminal identification. RNTI) and the like.
- the UE When the UE receives the random access voice answer information, the UE transmits an uplink message (message 3) to an uplink shared channel (SCH) according to the radio resource allocation information included in the answer information (S830). After receiving the uplink message from the terminal, the base station transmits a contention resolution (message 4) message to the terminal (S840).
- messages 3 an uplink message
- SCH uplink shared channel
- the base station After receiving the uplink message from the terminal, the base station transmits a contention resolution (message 4) message to the terminal (S840).
- transmission of an uplink radio frame #i may be started before (N TA + N TAoiiset ) XT s from a start point of a downlink radio frame.
- N TA is indicated by a TAC ming Advance) command
- the UE adjusts a transmission timing of an uplink signal (eg, PUCCH, PUSCH, SRS, etc.) by (N TA + N TAoffset ) x Ts.
- the UL transmission timing can be adjusted in units of 16T S.
- T s is the sampling time.
- the TA command (TAC) received in subframe #n is applied after subframe # n + 6.
- Figure 10 illustrates the handle, DE-over procedure.
- the UE 10 transmits a measurement report to the source eNB 20 (S102).
- the source eNB 20 transmits a handover request message together with the UE (K)) context to the other eNB (S104).
- the target eNB 20 transmits a handover request male answer to the source eNB (S106).
- the handover request response includes information of the new C-RNTI, part of the handover command message and dedicated preamble indexing for contention-free random access in the target cell.
- the source eNB 20 transmits a handover command to the UE (S108).
- the handover command includes information related to random access, such as a new C-RNTI and a dedicated preamble index for use by the UE 10.
- the random access procedure is performed in the target cell after the handover command so that the UE 10 obtains a timing advance (TA) value.
- This random access procedure is a non-competitive manner in which the preamble index is reserved for the UE 10 to avoid the collision.
- the UE 10 starts a random access procedure at the target eNB 20 by transmitting a random access preamble using the dedicated preamble index (8110).
- the target eNB 20 transmits a random access answer message to the UE 10 (S112).
- the random access voice response message includes a TA and uplink resource allocation.
- the UE 10 transmits a handover complete message to the target eNB 20 (S114).
- the PUCCH resources for A / N are not allocated to each UE in advance, and a plurality of PUCCH resources are divided and used at every time point by a plurality of UEs in a cell.
- the PUCCH resource used by the UE to transmit A / N is for downlink data. It is supported by a PDCCH carrying scheduling information or a PDCCH indicating SPS release.
- the PDCCH transmitted to the UE in the downlink subframe includes one or more control channel elements (CCEs).
- CCEs control channel elements
- the UE may transmit the A / N all through the PUCCH resource all the time to the specific CCE (eg, the first CCE) of the CCEs constituting the PDCCH.
- PDSCH through the PDCCH configured with 4-6 CCE as shown in FIG . If it is assumed that the information on the UE is transmitted, the UE transmits A / N by using the PUCCH resource index 4, which is the Daewoong CCE, which is the first CCE constituting the PDCCH.
- the PUCCH resource index in LTE / LTE-A is determined as follows.
- n (1) PUCCH represents a resource index of the PUCCH format la / lb for transmitting ACK / NACK / DTX
- N (1) PUCCH represents a signaling value received from the upper layer
- n CCE Represents the smallest value among the CCE indexes used for PDCCH transmission.
- the LTE terminal cannot transmit the PUCCH and the PUSCH at the same time, it is necessary to transmit UCI (eg, CQI / PMI, HARQ-ACK, RI, etc.) in the subframe in which the PUSCH is transmitted.
- UCI is multiplexed in the PUSCH region (PUSCH piggyback).
- the UE may not be configured to simultaneously transmit the PUCCH and the PUSCH.
- the UE may multiplex UCI in the PUSCH region (PUSCH piggyback).
- the UE may receive one or more DL transmissions (eg, PDSCH signals) on M DL subframes (SFs) (S502_0 to S502_M-1).
- DL transmissions eg, PDSCH signals
- SFs M DL subframes
- Each PDSCH signal is used to transmit one or more (eg, two) transport blocks (TB) (or codewords (CWs)) depending on the transmission mode (TM).
- TB transport blocks
- CWs codewords
- TM transmission mode
- a PDCCH signal requiring an ACK / NACK response for example, an SPS solution
- a PDCCH signal (simply, an SPS release PDCCH signal) indicating an agent may also be received.
- a / N is transmitted through one UL subframe that covers the M DL subframes.
- a / N includes reception response information for the PDSCH signal and / or the SPS release PDCCH signal of steps S502_0 to S502_M-1.
- a / N is basically transmitted through the PUCCH (eg, see FIGS. 6 and 7), but when there is a PUSCH transmission at the time of A / N transmission, the A / N may be transmitted through the PUSCH.
- Various PUCCH formats of Table 1 may be used for A / N transmission.
- various methods such as A / N bundling and A / N channel selection may be used to reduce the number of transmitted A / N bits.
- M l
- M is an integer of 1 or more.
- the relationship between M DL subframes and UL subframes in which A / N is transmitted in TDD is given by a DASKDownlink Association Set Index.
- Table 3 shows the definitions defined in LTE / LTE-A. Indicates. If there is PDSCH transmission and / or SPS release PDCCH in subframe nk (k € ⁇ K), the UE transmits a corresponding ACK / NACK in subframe n.
- the UE When operating in the TDD scheme, the UE must transmit A / N signals for one or more DL transmissions (eg, PDSCHs) received through M DL SFs through one UL SF.
- a method of transmitting A / N for a plurality of DL SFs through one UL SF is as follows.
- a / N bundling A / N bits for a plurality of data units (eg, PDSCH, SPS release PDCCH, etc.) are combined by a logical operation (eg, a logical-AND operation). do. E.g , If all data units are successfully decoded, the receiving end (eg, the terminal) transmits an ACK signal. On the other hand, if any one of the data units fails to decode (or detect), the receiver sends a NACK signal or nothing.
- a logical operation eg, a logical-AND operation
- a terminal receiving a plurality of data units occupies a plurality of PUCCH resources for A / N transmission.
- a / N responses for multiple data units are identified by the combination of the PUCCH resources used for the actual A / N transmission and the transmitted A / N content (eg bit values, QPSK symbol values).
- the channel selection method is also referred to as A / N selection method and PUCCH selection method.
- FIG. 13 illustrates a Carrier Aggregation (CA) communication system.
- the LTE-A system collects a plurality of UL / DL frequency blocks to use a wider frequency band and uses a carrier aggregation or bandwidth aggregation technique that uses a larger UL / DL bandwidth.
- Each frequency block is transmitted using a component carrier (CC).
- the component carrier may be understood as a carrier frequency (or center carrier, amplification frequency) for the corresponding frequency block.
- a plurality of UL / DL Component Carriers may be collected to support a wider UL / DL bandwidth.
- CCs may be adjacent to each other or non-adjacent in the frequency domain.
- the bandwidth of each CC can be determined independently. It is also possible to merge asymmetric carriers in which the number of UL CCs and the number of DLCCs are different. For example, in the case of one DLCC2 ULCCs, it may be configured to correspond to 2: 1.
- the DLCC / ULCC link is fixed to the system or can be configured semi-statically.
- L ( ⁇ N) CCs L ( ⁇ N) CCs.
- Various parameters for carrier aggregation may be set in a cell-specific, UE group-specific or UE-specific method.
- the control information may be set to be transmitted and received only through a specific CC.
- Such a specific CC may be referred to as a primary CC (or CCC) (or an anchor CC) and the remaining CCs may be referred to as a secondary CC (SCC).
- CCC primary CC
- SCC secondary CC
- LTE-A uses the concept of a cell to manage radio resources.
- a cell is defined as a combination of downlink and uplink resources. Uplink resources are not required.
- the cell may be configured with only downlink resources, or with downlink resources and uplink resources. If carrier aggregation is supported, the linkage between the carrier frequency (or DL CC) of the downlink resource and the carrier frequency (or UL CC) of the uplink resource may be indicated by system information.
- a cell operating on the primary frequency (or PCC) may be referred to as a primary cell (PCell), and a cell operating on the secondary frequency (or SCO) may be referred to as a secondary cell (SCell).
- PCell may refer to a cell indicated in a handover process, and SCell indicates that an RRC connection is established.
- PCell and SCell can be referred to as serving cells, so that RRC—the UE is in the CONNECTED state, but carrier aggregation is not set up or does not support carrier aggregation.
- RRC the UE is in the CONNECTED state
- carrier aggregation is not set up or does not support carrier aggregation.
- there is only one serving cell configured only with PCell whereas, in the RRC_C0NNECTED state, In this case, at least one serving cell exists and the entire serving cell includes the PCell and the entire SCell, and for the carrier aggregation, the network is initially configured in the connection establishment process after the initial security activation process is started.
- one or more SCells may be configured for a terminal supporting carrier aggregation.
- the PDCCH for downlink allocation may be transmitted on DL CC # 0, and the PDSCH may be transmitted on DL CC # 2.
- CIF Carrier Indicator Field
- the presence or absence of CIF in the PDCCH may be configured in a semi-static and terminal-specific (or terminal group-specific) manner by higher layer signaling (eg, RRC signaling).
- PDCCH on a DL CC allocates PDSCH resources on the same DL CC or allocates PUSCH resources on one linked UL CC
- a PDCCH on a DL CC can allocate a PDSCH or PUSCH resource on a specific DL / UL CC among a plurality of merged DL / UL CCs using the CIF.
- the base station may allocate the PDCCH monitoring DL CC set to reduce the BD complexity of the terminal.
- the PDCCH monitoring DL CC set includes one or more DLCCs as part of the merged total DL CCs, and the UE performs detection / decoding of the PDCCH only on the corresponding DLCC. That is, when the base station schedules PDSCH / PUSCH to the UE, the PDCCH is transmitted only through the PDCCH monitoring DL CC set.
- the PDCCH monitoring DL CC set may be configured in a UE-specific, UE-group-specific, or cell-specific manner.
- the term “PDCCH monitoring DL CC” may be replaced with equivalent terms such as a monitoring carrier, a monitoring cell, and the like.
- the CC merged for the terminal may be replaced with equivalent terms such as a serving CC, a serving carrier, a serving cell, and the like.
- FIG. 14 illustrates scheduling when a plurality of carriers are merged.
- FIG. 14 illustrates a case in which three DL CCs are merged and DL CC A is configured as a PDCCH monitoring DL CC.
- DL CC A to C may be referred to as a serving CC, a serving carrier, and a serving cell.
- each DL CC can only transmit PDCCHs that schedule their PDSCH without CIF according to the " LTE PDCCH rules.
- DL CC A (monitoring).
- DL CC) can transmit not only PDCCH scheduling PDSCH of DL CC A using CIF but also PDCCH scheduling PDSCH of other CCs. In this case, in DL CC B / C not configured as PDCCH monitoring DL CC, PDCCH is not transmitted.
- 15 shows an example of allocating a downlink physical channel to a subframe.
- a PDCCH (Legacy PDCCH, L-PDCCH) according to existing LTE / LTE-A may be allocated to a control region (see FIG. 4) of a subframe.
- the L-PDCCH region means a region to which a legacy PDCCH can be allocated.
- the PDCCH may be additionally allocated in the data region (a), a resource region for the PDSCH.
- the PDCCH allocated to the data area is called E—PDCCH.
- E—PDCCH As shown, by securing additional control channel resources through E—PDCCH, scheduling constraints due to limited control channel resources in the L-PDCCH region may be relaxed.
- the E-PDCCH carries a DCI.
- the E-PDCCH may carry downlink scheduling information and uplink scheduling information.
- the UE may receive the E-PDCCH and may receive data / control information through the PDSCH that is performed on the E-PDCCH.
- the UE may receive the E-PDCCH and transmit data / control information through the PUSCH that is performed on the E-PDCCH.
- E—PDCCH / PDSCH may be allocated from the first OFDM symbol of the subframe.
- FIG. 16 illustrates a MACPDU.
- the MAC PDU is transmitted through a Down Ink Shared Channel (DL-SCH) and an Uplink Shared Channel (UL-SCH).
- DL-SCH Down Ink Shared Channel
- UL-SCH Uplink Shared Channel
- a MAC PDU includes a MAC header, zero or more MAC Service Data Units (MAC SDUs), and zero or more MAC Control Elements (MAC CEs).
- the MAC PDU subheader has the same order as the corresponding MAC SDU, MAC CE.
- the MAC CE is located in front of the MAC SDU.
- MAC CE is used to carry various MAC control information.
- the MAC CE includes SCell activation / deactivation information, TAC information, BSR (Buffer Status Report) information, and PHRCPower Headroom Report (BRC) information.
- Figure 17 shows the SCell activation / deactivation MAC CE.
- the base station can activate or deactivate the SCell individually for the entire SCell merged to the terminal using the activation / deactivation MAC CE.
- PCell is always active.
- LCID LCIDCLogical Channel Identifier
- the MAC CE consists of a single octet with seven C-fields and one R-field.
- [108]-Ci indicates an activation / deactivation state of the SCell having the SCell Index i. If there is no SCell with SCell Index i, the UE ignores the Ci field.
- the C r field is set to 1 to indicate activation and 0 to indicate deactivation.
- FIG. 18 shows a Timing Advance Coordinate (TAC) MAC CE.
- the base station can adjust the uplink timing for each TAG for the entire TAG configured to the terminal using the TAC MAC CE.
- [112] -TAC This indicates the amount of timing adjustment to be applied by the UE. It is 6 bits and represents a value of 0 to 63. See FIG. 9 for details.
- FIG. 19 shows Power Headroom (CE) MAC CE.
- 19 shows an extended PH MAC CE, and may inform the terminal of the PH for all the merged cells.
- the fields of PH MAC CE are as follows.
- [114]-Ci Indicates whether there is a PH field for the SCell having the SCell Index i.
- the Ci field is set to 1 if the PH field for the SCell with SCelllndex i is reported, otherwise it is set to 0.
- [116]-V indicates whether the PH value is based on an actual transmission or reference format.
- LTE-A supports merging of a plurality of cells (that is, CA), and considers managing a plurality of cells merged to one UE in one base station (intra-site CA). Since intra-site CA manages all cells by one base station, signaling related to various RRC settings / reports, MAC commands / messages, etc., can be performed through all merged cells. For example, adding or releasing a specific SCell to a set of CA cells, changing the transmission mode (TM) of a specific cell, performing a Radio Resource Management (RRM) measurement report associated with a specific cell, and so on. The accompanying signaling can be performed through any cell in the CA cell set.
- CA Radio Resource Management
- signaling associated with activation / deactivation of a specific SCeil, buffer status report (BSR) for UL buffer management, etc. may be performed through any cell in the CA cell set. All.
- BSR buffer status report
- a cell-specific PHR Power Headroom Report
- TACC TAGCTiming Advance Group
- a plurality of cells with small coverage may be arranged in a cell with a large coverage (eg, a macro cell) for traffic optimization.
- a macro cell and a micro cell may be merged, the macro cell is mainly used for mobility management (eg, PCell), and the micro cell is mainly used for through foot boosting (eg, SCell).
- PCell mobility management
- SCell through foot boosting
- cells merged into one terminal may have different coverages, and each cell may be managed by different base stations (or corresponding nodes (eg, relays)) geographically separated from each other.
- base stations or corresponding nodes (eg, relays)
- FIG. 20 illustrates an inter-site CA.
- the radio resource control and management eg, all RRC and some functions of the MAC
- the radio resource control and management for the terminal are in charge of the base station managing the PCelK, eg, CC1, and in each cell (ie, CC1, CC2).
- the data scheduling and feedback process e.g., the overall function of the PHY and MAC
- inter-site CA requires information / data exchange / transmission between cells (ie, between base stations).
- BH backhaul
- the UE sends an RRC reset command.
- the confirmation response may be transmitted through an SCell (eg, via PUSCH) rather than a PCell.
- the base station-2 may need to deliver the confirmation to the base station-1 again through BH or the like.
- significant latency may be involved in the inter-cell (ie, inter-base station) signaling process. This may cause misalignment between the base station and the terminal for CA cell set interpretation, and may not be easy and stable and efficient cell resource management and control.
- the cell-specific PHR of all cells is PCelK. via PUSCH).
- the base station-1 which manages the PCell
- the base station-2 which manages the SCell
- the base station-2 may need to transfer the PHR corresponding to the entire PHR or PCell to the base station-1 through the BH.
- stable / efficient UL power control and the adaptive UL data scheduling / transmission based on the same may not be easy.
- a path eg, RRC, MAC, DCI, UCI
- a path eg, RRC, MAC, DCI, UCI
- a path eg, a seal or a group of cells
- the UE may operate in a state where the signal / channel accompanying the specific signaling associated with the specific cell is considered to be transmitted and / or received only through the established path.
- a specific cell is a cell or a group of cells It includes.
- the merged plurality of cells may be divided into one or more cell groups.
- each cell group consists of one or more cells.
- a sal group to which the PCell belongs is called a PCell group and a SCell consisting of only the SCell is called an SCell group.
- the PDCCH may include both the L-PDCCH and the E-PDCCH. .
- the signaling method / path proposed in the present invention can be applied only to an inter-site CA or a similar CA situation. That is, in the intra-CA situation, the signaling method / path proposed by the present invention is not applied, and the existing signaling method / path may be applied. Thus, the base station to the signaling method / path. The configuration information may be informed to the terminal through an RRC message. On the other hand, the base station may consider whether the CA mode (ie, inter-site CA or intra-site CA) to set the signaling method / path, but from the terminal position it is enough to know only the signaling method / path applied. Accordingly, the base station may inform only the indication information regarding the signaling method / path applied to the terminal without informing the terminal of the CA mode. In addition, if the UE knows the CA mode in the CA configuration process, since the UE knows the signaling method / path applied to itself from the CA mode, the base station may not separately inform the terminal about the signaling method / path indication information. .
- the CA mode
- signaling for which a path is set may include the following.
- DCI eg DL / UL grant
- Scheduling Request SR
- p-CSI Periodic CSKperiodic CSI
- aperiodic CSKaperiodic CSI a-CSI request / report
- RAR Random Access Response
- RAR-PDCCH PDCCH scheduling PDSCH carrying RAR
- an RRC resetting process of adding / releasing a specific cell to a CA cell set and a path for signaling accompanying an RRM measurement (eg RSRP, RSRQ) report associated with a specific cell. May be set to the PCell group.
- the signaling accompanying the RRC resetting / measurement report associated with a particular cell may only be transmitted and received via the PCell group (PDSCH / PUSCH on any cell to which it belongs).
- a path through which cell-specific PHR for UL power control of a specific cell group (all cells belonging thereto) may be signaled may be set to the specific cell group itself. That is, the W! R for a specific cell group can be transmitted only through the specific cell group itself (PUSCH on any cell to which it belongs).
- a path for performing signaling associated with a specific cell may be limited to CC1 (group) or CC2 (group) according to the type of signaling.
- a path setting method according to signaling type includes the following.
- RLM eg RLF
- RRC setup / reset eg SCell assignment / deletion, cell-specific TM setup, cell-specific CSI feedback mode / SRS parameter setup
- settings / reports related to RRM measurements eg RSRP, RSRQ.
- [142]-Signaling for a specific cell black is a specific cell group:
- the path may be set to a PCell group.
- the cell list for activation / deactivation in the SCell Act / De may consist only of SCells belonging to the specific cell group.
- the PHR may consist of only cell-specific PHRs belonging to the specific cell group. Also. Independent PHR transmission period may be set for each cell group.
- the BSR can report only the UL buffer status for the specific cell group (all cells belonging to the same).
- a TAC may consist of only TAG-specific TACs belonging to a specific cell group. Also, cells belonging to different cell groups may not belong to the same TAG.
- ⁇ DCI may be scheduling / control information (eg, DL / UL grant) targeting only cell (s) belonging to the specific cell group.
- control information eg, DL / UL grant
- cross-CC scheduling may not be allowed between cells belonging to different cell groups (ie, DCI (eg, DL / UL grant) for a cell belonging to a specific cell group is transmitted from a cell belonging to another cell group). May not be set).
- the a-CSI request / report may be an a-CSI request / report targeting only cell (s) belonging to the specific cell group.
- a-CSI reportable cell set designated through RRC signaling may be independently configured for each cell group (that is, a-CSI reportable cell set applied to a-CSI request / report in a specific cell group). May consist only of cell (s) belonging to that particular cell group).
- the number of bits constituting the a-CSI request field in the DCI is independent of the number of cells belonging to the cell group (scheduled from the corresponding DCI). 1 bit, or 2 or more bits).
- the a-CSI request field in DC1 (scheduling the corresponding SCell group) is fixed to 1 bit, with each cell It may operate to perform only a-CSI reporting on the sal.
- Signaling for a cell belonging to the PCell group When signaling information is transmitted through the PUCCH, the path may be set to PCeM. When signaling information is transmitted through the PUSCH (ie, multiplexing with PUSCH piggyback-UL data), the path may be set to a PCell group (ie, a PUSCH transmitting cell in the PCell group).
- a path may be set to a specific SCell or a specific SCell designated in the SCell group (here, for a specific specific Scell)
- a cell (s) configured to perform PDCCH (e.g. DL / UL grant) transmission or (DL / UL data) scheduling within a Sceii gtop (via signaling) or (Wherein the cell (s) increment where the UL resource / carrier is defined) may be automatically determined as a cell having a particular (eg, smallest) cell index or a particular (eg, largest) system bandwidth.
- a path may be set to a corresponding SCell group to which a specific SCell belongs.
- each signaling may be restricted as follows.
- the A / N transmitted through the PUCCH on the SCell belonging to the SCell group may be configured with only an individual A / N response to receiving DL data from the corresponding SCell.
- a predetermined SCell may be inactive when A / N transmission is required. Therefore, it may be desirable to transmit A / N for the SCell in which DL data is received (in case of SCell group) only through the corresponding SCell.
- DL in a particular SCell (part of SCell group).
- a / N for data reception may be defined / configured to transmit through a cell in which a DL grant PDCCH for scheduling corresponding DL data is transmitted.
- the A / N piggybacked on the PUSCH on a specific SCell belonging to the SCell group may be configured as an A / N response to receiving DL data from all cells in the SCell group.
- the SR transmitted through the PUCCH on a specific SCell belonging to the SCell group may be a UL scheduling request targeting only the corresponding SCell group (all cells belonging to the same).
- P-CSI transmitted through the PUCCH on a specific SCell belonging to the SCell group may be limited to only p-CSI for the specific SCell.
- the p-CSI piggybacked to the PUSCH on a specific SCell belonging to the SCell group may be composed of only p-CSI (s) for one or more cells in the SCell group.
- the path of the RAR may be set to the PCell, and the path of the RAR-PDCCH may be set to the common search space on the PCel 1.
- the path of the RAR may be set to the specific SCell itself or a specific SCell designated in the corresponding SCell group.
- the path of the RAR-PDCCH may be set to a common search space on a specific SCell or a specific SCell designated in the SCell group (here, for a specific SCell designated, for example, a PDCCH (eg, DL / UL grant) within a SCell group).
- One of the cell (s) configured to perform transmission or (DL / UL data) scheduling (via signaling), or one of the cell (s) (where the UL resource / carrier is defined) Automatically determined by a particular (e.g. smallest) cell index or a cell with a certain (e.g. largest) system bandwidth).
- case # 1 may be applied to the SCell Act / De.
- all paths for performing MAC signaling related to activation / deactivation for a specific SCell may be set to a PCell group.
- the PUCCH transmitted through the SCell in case # 3 is replaced with a PUSCH resource (hereinafter, UCI-PUSCH resource) or MRS for PUSCH demodulation (hereinafter, UCI-DMRS).
- UCI-PUSCH resource may be allocated for UCI transmission (not UL data) only.
- the UCI-PUSCH resource may be a PUSCH resource composed of one subframe (hereinafter, referred to as a normal PUSCH resource), a PUSCH resource composed of one slot (hereinafter, referred to as a slot PUSCH resource), or a PUSCH resource composed of a few SC-FDMA symbols (hereinafter, Shortened PUSCH resource).
- a shortened PUSCH resource composed of one slot may be used as the UCI-PUSCH resource. Accordingly, a plurality of Shottoned PUSCH resources may be multiplexed (in a TDM manner) in one UL Uplink Resource Block (RB) (pair).
- RB Uplink Resource Block
- the UCi—PUSCH resource For the UCi—PUSCH resource. UL RB index, OIL RB) slot index, SC-FDMA. Symbol index, DMRS CS and / or 0CC (combined) index and the like.
- individual UCI—PUSCH resources are allocated to each of the A /% SR and p-CSI, one common UCI-PUSCH resource is allocated to all of the UCIs, or two UCIs (eg, A / One UCI-PUSCH resource may be allocated to N and SR, and one UCI-PUSCH resource may be allocated to one remaining UCI (eg, p-CSI).
- the UCI-PUSCH resource may be allocated in advance through RRC signaling or the like.
- a plurality of UCI-PUSCH resources may be pre-allocated through RRC signaling and the like, and specific UCI-PUSCH resources among a plurality of UCI-PUSCH resources may be indicated through a DL grant PDCCH.
- the UCI-PUSCH resource may be indicated through a specific field (eg, ARKA / N resource indicator) field in the DL grant PDCCH.
- a UCI-PUSCH resource linked to a specific DL RB index e.g., a minimum DL RB index
- DL data with linkages between DL Downlink Resource Block (DL RB) resources and UCI-PUSCH resources specified / set.
- DL RB index e.g., a minimum DL RB index
- DL data with linkages between DL Downlink Resource Block (DL RB) resources and UCI-PUSCH resources specified / set.
- the UCI transmission method using UCI-DMRS resources includes: 1) selecting / transmitting different UCI-DMRS resources according to UCI values (eg, ACK or NACK, positive or negative SR) (among multiple UCI-DMRS resources).
- Method 2 2) a method of transmitting a DMRS symbol modulated according to a UCI value (eg, BPSK, QPSK) on a UCI-DMRS resource (and / or a method combined with Method 1) and 2)).
- a specific DMRS symbol e.g., the first DMRS symbol
- the receiving end may receive UCI information by detecting a signal difference (eg, a phase difference) between a fixed DMRS symbol and a modulated DMRS symbol.
- the UCI-DMRS resource may be divided into a UL RB index, a slot index (in UL RB), an SOFDMA symbol index, a CS and / or 0CC (combined) index, and the like.
- UCI-DMRS resources may be allocated individually or in common for A / N and SR, and UCI-PUSCH resources may be allocated for p-CSI.
- PDCCH eg, ARI field in PDCCH indicates which UCI-DMRS resource is to be used in advance through RRC signaling or a plurality of UCI-DMRS resources in advance.
- the application target of the signaling path establishment method of the present invention is not limited to the aforementioned signaling types.
- the signaling path establishment method of the present invention may be applied to other signaling related to RRC / MAC / DCI / UCI.
- case # 1 may be applied to signaling associated with the RRC layer
- case # 2 may be applied to signaling ring attached only to the MAC layer
- case # 3 may be applied to signaling related to DCI / UCI.
- the cell group may be specified / configured differently according to the signaling or signaling set (that is, independent sal group designation / configuration is performed for each signaling or signaling set).
- the present invention is specified and set so that cells having different frame structure types (e.g., FDD or TDD), and cells having different CP lengths (e.g., usually CP or extended CP) belong to different cell groups by default.
- the signaling path establishment method of may be applied. In this case, if a cell group is designated (without a separate signaling path setting process), a signaling path setting (case # 1, # 2, # 3, # 4) of the present invention may be automatically applied.
- a cell for performing RRM measurement related setup / report transmission (RSRP, RSRQ, etc.) for the corresponding cell may be set.
- a cell for performing PHR, BSR, and TAC transmission for a corresponding cell may be configured.
- a cell in which DCI transmission (such as DL / LL grant) is performed for the corresponding cell may be configured.
- a cell for performing SR transmission for a corresponding cell may be configured.
- p-CSI report transmission for the corresponding cell may be set.
- a seal in which a-CSI request / report transmission is performed for the cell may be set.
- a cell for performing A / N feedback transmission on DL data received through the corresponding cell may be configured.
- a cell in which RAR and RAR-PDCCH transmission corresponding to PRACH transmission in a corresponding cell is to be performed may be configured.
- HARQ is performed through DL grant DCI scheduling DL data in consideration of inter-cell (base station) coordination for PUCCH and / or UCI transmission.
- -ACK may indicate cell and / or subframe information to be performed.
- HARQ ACK transmission for DL data in a DL grant DCI is performed in a plurality of cell / subframes with a plurality of (eg, two) cell / subframes (information) predefined or specified. It can indicate which cell / subframe to perform.
- the plurality of cells may be defined / designated as a cell in which the PCell and the DL grant DCI (or DL data) are transmitted. Also.
- the plurality of subframes are based on the DL grant DCI (black DL data) receiving subframe (determined based on the original HARQ ⁇ ACK timing defined in the existing (e.g., Re ⁇ 10/11) FDD / TDD system).
- the HARQ-ACK transmission subframe that is, the original A / N SF
- the fastest UL SF defined by HARQ-ACK timing
- the HARQ-ACK transmission subframe that is, the original A / N SF
- the fastest UL SF defined by HARQ-ACK timing
- PHICH transmission for UL data in the UL grant DCI is performed through any cell / subframe among the plurality of cells / subframes in a state in which a plurality of (eg, two) cells / subframes (information) are predefined / specified. It may indicate whether it is to be performed.
- the plurality of cells may be defined / designated as a cell in which the PCell and the UL grant DCI (or UL data) are transmitted.
- the plurality of subframes are PHICH transmissions to the UL grant DCI (or UL data) receiving subframe (determined based on the original PHICH timing defined in the existing (eg el-10 / ll) FDD / TDD system) May be defined / designated as a subframe (ie, the original PHICH SF) and the fastest DL (or special) SF (defined in PHICH timing) after the original PHICH SF,
- the exchange of (terminal related) information / data between cells (site / base station which manages / controls it) merged into one terminal including the inter-site CA (or inter-base CA) situation.
- Backhaul links disposed for purposes of / forwarding or the like may be configured as non-ideal backhauls with significant latency.
- significant load / latency may occur on the backhaul link if the cells (sites / base stations that manage / control it) directly perform all information / data exchange / transfer over the backhaul link only. .
- the backhaul link between cells may be replaced by a radio link between cells and the terminal.
- information exchange / delivery between cells merged to the terminal It can be performed as follows through the terminal-to-sal wireless link. For convenience, as shown in FIG. 21, it is assumed that cell 1 related information is transmitted to cell 2 through the terminal in a situation where cell 1 (eg, CC1) and cell 2 (eg, CC2) are merged with the terminal.
- ⁇ cell 1 can (through a particular DL channel / signal that is transmitted on a cell 1) to a terminal to a cell 1-related transfer / report specific information to the cell # 2 commands / instructions. '
- the UE may transmit / report cell 1-related specific information to cell 2 (via a specific UL channel / signal transmitted on cell 2) according to the command / instruction of cell 1.
- the terminal may directly transmit / report cell 1'-specific information (via a specific UL channel / signal transmitted on cell 2) to cell 2 at a specific time point or at a specific period.
- the specific time point may be a time point (or, later, a proper time point) when the cell 1 related specific information is reset / changed.
- the specific period may be set through L1 / L2 / RRC signaling from Cell 1 or Cell 2 phase.
- Cell 2 may own the 1-cell-specific information to the mobile station (through a particular DL channel / signal that is sent to leak two-phase) to be delivered to / report (that is, cell # 2) requests / instructions .
- the UE may transmit / report Cell 1-related specific information to Cell 2 (via a specific UL channel / signal transmitted on Cell 2) according to the request / instruction of Cell 2.
- Each slice-related specific information that is a target of the inter-cell information signaling method proposed above is a TM configured in at least a corresponding cell. It may include a CSI feedback mode, an SRS related parameter, an activation / deactivation state of a corresponding cell, a TA applied to the corresponding cell, and the like.
- cell 1 may command / instruct the UE to transmit / report SRS related parameter information set in cell 1 (that is, set in cell 1 for the corresponding UE) to cell 2.
- the terminal may transmit / report SRS related parameter information configured in cell 1 to cell 2.
- the UE is responsible for TA information applied to cell 1 (ie, TA information applied to the UE may be directly transmitted / reported to the cell 2 TA information applied to the cell 1 at the time of resetting / changing (or later appropriate time).
- cell 2 requests / supports UE to transmit / report cell 1 activation / deactivation status information (ie, activation / deactivation status information applied to cell 1 with respect to UE) to cell 2. You can try it. Accordingly, the terminal may transmit / report the activation / deactivation state information of the cell 1 to the cell 2.
- cell 2] is determined / set
- the terminal # 3 may perform communication (ie, signal / channel transmission and reception) through only one cell (ie, cell 1 or cell 2).
- base station 1 assigns ORNTI A to terminal 1 which uses / operates cell 1 that it manages / controls as a PCell, and base station 2 uses / operates cell 2 that it manages / controls as PCell.
- the C-RNTI B may be allocated to the UE 2 that is doing the same.
- cell 2 may be allocated to the terminal 1 as an SCell.
- the C-RNTI A and the C-RNTI B have the same value, ambiguity may occur between the signal / channel of the terminal 1 and the signal / channel of the terminal 2 on the cell 2 may not perform the transmission and reception properly.
- a method of pre-distributing an R TI that can be allocated to a terminal for each base station (cell) or performing information exchange between base stations for RNTI allocation of each terminal may be considered, but this may increase load / latency on the backhaul. And the resulting RNTI allocation efficiency.
- one terminal merging cell 1 and cell 2 performs signal / channel transmission / reception using C-RNTi A for cell 1 and signal / channel using C-RNTI B for cell 2 Send and receive can be performed.
- C-RNTI A and C-RNTI B may be assigned the same or different values.
- the UE may inform the cell 2 of the C—RNTI A information allocated / used for the cell 1 and may inform the cell 1 of the C-RNTI B information allocated / used for the cell 2.
- cell 1 and cell 2 may be extended to cell group 1 and cell group 2, respectively.
- Independent RNTI may be allocated / used for each cell group.
- a cell group may consist of one or more cells, and the same RNTI may be allocated / used to all the cells belonging to one cell group.
- Sal-by-assigned / used RNTI is SI-RNTI (System Information RNTI), P-RNTI (Paging RNTI), RA-RNT I (Random Access RNTI), C-RNTKCell.
- At least one, preferably C— RNTI may be included, and the cell group may be configured identically or differently for each RNTI.
- Figure 22 illustrates a base station and a terminal that can be applied to the embodiment in the present invention.
- the base station or the terminal may be replaced by a relay.
- a wireless communication system includes a base station (BS) 110 and a terminal (UE) 120.
- Base station 110 includes a processor 112, a memory 114, and a radio frequency (RF) unit 116.
- the processor 112 may be configured to implement the procedures and / or methods proposed in the present invention.
- the memory 114 is connected with the processor 112 and stores various information related to the operation of the processor 112.
- the RF unit 116 is connected with the processor 112 and transmits and / or receives a radio signal.
- the terminal 120 includes a processor 122, a memory 124, and an RF unit 126.
- the processor 122 may be configured to implement the procedures and / or methods proposed in the present invention.
- the memory 124 is connected with the processor 122 and stores various information related to the operation of the processor 122.
- the RF unit 126 is connected with the processor 122 and transmits and / or receives a radio signal.
- the base station 110 and / or the terminal 120 may have a single antenna or multiple antennas.
- a base station may, in some cases, be performed by an upper node thereof. That is, it is apparent that various operations performed for communication with a terminal in a network composed of a plurality of network nodes including a base station may be performed by a base station or other network nodes other than the base station.
- the base station may be replaced by terms such as a fixed station, a Node B, an eNode B (eNB), an access point, and the like.
- the terminal may be replaced with terms such as UECUser Equipment (MSCMobile Station), MSS (Mobile Subscriber Station).
- an embodiment according to the present invention may be implemented by various means, for example, hardware, firmware, software, or a combination thereof.
- an embodiment of the present invention may include one or more AvSCICs (applied icat ion specific integrated circuits), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), Field programmable gate arrays (FPGAs), processors, controllers, microcontrollers, microprocessors and the like can be implemented.
- AvSCICs applied icat ion specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGAs Field programmable gate arrays
- an embodiment of the present invention may be implemented in the form of modules, procedures, and functions that perform the functions or operations described above.
- the software code may be stored in a memory unit and driven by a processor.
- the memory unit may be located inside or outside the processor, and may exchange data with the processor by various known means.
- the present invention can be used in a wireless communication device such as a terminal, a relay, a base station, and the like.
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- Engineering & Computer Science (AREA)
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Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
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| KR1020147035250A KR102088022B1 (ko) | 2012-08-01 | 2013-08-01 | 제어 정보를 시그널링 하는 방법 및 이를 위한 장치 |
| KR1020197001280A KR102057868B1 (ko) | 2012-08-01 | 2013-08-01 | 제어 정보를 시그널링 하는 방법 및 이를 위한 장치 |
| US14/416,940 US9402253B2 (en) | 2012-08-01 | 2013-08-01 | Method for signaling control information, and apparatus therefor |
| US15/192,667 US9629148B2 (en) | 2012-08-01 | 2016-06-24 | Method for signaling control information, and apparatus thereof |
| US15/467,220 US9848414B2 (en) | 2012-08-01 | 2017-03-23 | Method for signaling control information, and apparatus therefor |
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| US15/192,667 Continuation US9629148B2 (en) | 2012-08-01 | 2016-06-24 | Method for signaling control information, and apparatus thereof |
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| PCT/KR2013/006956 Ceased WO2014021662A1 (ko) | 2012-08-01 | 2013-08-01 | 제어 정보를시그널링 하는 방법 및 이를 위한 장치 |
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| US (9) | US9504029B2 (ko) |
| KR (2) | KR102088022B1 (ko) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119202A1 (en) * | 2015-01-30 | 2016-08-04 | Nokia Solutions And Networks Oy | Methods, apparatus, computer program, computer pro-gram product and mobile communications network for serving cells comprising primary cell and secondary sells |
| CN108023708A (zh) * | 2016-11-03 | 2018-05-11 | 中兴通讯股份有限公司 | 一种信息发送方法、装置、系统及相关设备 |
| CN108293202A (zh) * | 2015-12-10 | 2018-07-17 | 三星电子株式会社 | 利用载波聚合技术在无线通信系统中发送和接收测量报告的方法和设备 |
Families Citing this family (94)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303577B (zh) * | 2012-05-16 | 2018-06-29 | 瑞典爱立信有限公司 | 通信网络中的方法和装置 |
| WO2014021664A1 (ko) | 2012-08-01 | 2014-02-06 | 엘지전자 주식회사 | 제어 정보를 시그널링 하는 방법 및 이를 위한 장치 |
| US8913518B2 (en) * | 2012-08-03 | 2014-12-16 | Intel Corporation | Enhanced node B, user equipment and methods for discontinuous reception in inter-ENB carrier aggregation |
| JP5823939B2 (ja) * | 2012-09-13 | 2015-11-25 | 株式会社Nttドコモ | 移動通信システム、無線基地局及び移動局 |
| WO2014056426A1 (zh) * | 2012-10-08 | 2014-04-17 | 联发科技(新加坡)私人有限公司 | 数据传输方法 |
| US9692550B2 (en) * | 2012-11-29 | 2017-06-27 | Huawei Technologies Co., Ltd. | Systems and methods for waveform selection and adaptation |
| EP2943022B1 (en) | 2013-01-03 | 2020-03-11 | LG Electronics Inc. | Method and apparatus for transmitting uplink signals in wireless communication system |
| CN110086588B (zh) * | 2013-01-10 | 2021-11-02 | 韩国电子通信研究院 | 载波聚合方法 |
| WO2014109565A1 (en) * | 2013-01-11 | 2014-07-17 | Lg Electronics Inc. | Radio link failure reporting in a system using multiple cells |
| US9769628B2 (en) * | 2013-02-01 | 2017-09-19 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving MBSFN subframe |
| CA2901203C (en) | 2013-02-12 | 2019-05-21 | Altiostar Networks, Inc. | Long term evolution radio access network |
| US10326569B2 (en) * | 2013-02-12 | 2019-06-18 | Altiostar Networks, Inc. | Inter-site carrier aggregation with physical uplink control channel monitoring |
| CN104244349B (zh) * | 2013-06-18 | 2021-06-15 | 索尼公司 | 通信装置和通信方法 |
| WO2015020736A1 (en) | 2013-08-08 | 2015-02-12 | Intel IP Corporation | Method, apparatus and system for electrical downtilt adjustment in a multiple input multiple output system |
| US9326122B2 (en) | 2013-08-08 | 2016-04-26 | Intel IP Corporation | User equipment and method for packet based device-to-device (D2D) discovery in an LTE network |
| EP2836049A1 (en) * | 2013-08-09 | 2015-02-11 | Alcatel Lucent | Method, system and computer program product for managing cell radio network temporary identifiers |
| US10231222B2 (en) * | 2013-08-19 | 2019-03-12 | Nokia Technologies Oy | Method and apparatus for handling carrier aggregation and related signaling |
| JP6201677B2 (ja) * | 2013-11-21 | 2017-09-27 | 富士通株式会社 | 基地局、無線通信システム、及び、無線リソースの割り当て制御方法 |
| US9661657B2 (en) * | 2013-11-27 | 2017-05-23 | Intel Corporation | TCP traffic adaptation in wireless systems |
| WO2015094055A1 (en) * | 2013-12-19 | 2015-06-25 | Telefonaktiebolaget L M Ericsson (Publ) | Method for sending information regarding a secondary cell via a group message in a primary cell. |
| CN104753627A (zh) * | 2013-12-26 | 2015-07-01 | 中兴通讯股份有限公司 | 多路径传输方法、系统及数据发送装置和数据接收装置 |
| CN110932835B (zh) * | 2014-01-29 | 2023-07-21 | 北京三星通信技术研究有限公司 | 处理基站间载波聚合的激活/去激活的方法及设备 |
| KR102284453B1 (ko) | 2014-01-29 | 2021-08-02 | 삼성전자 주식회사 | 셀룰러 이동 통신 시스템에서 상향링크 제어 정보 전송 방법 및 장치 |
| EP3151625B1 (en) * | 2014-07-01 | 2020-01-08 | Huawei Technologies Co., Ltd. | Random access method and apparatus |
| KR101913607B1 (ko) | 2014-07-17 | 2018-10-31 | 엘지전자 주식회사 | 무선 통신 시스템에서 스케줄링 요청 방법 및 이를 위한 장치 |
| CN106063340A (zh) * | 2014-08-07 | 2016-10-26 | 华为技术有限公司 | 功率控制方法、通信系统及相关设备 |
| US10299250B2 (en) | 2014-11-07 | 2019-05-21 | Acer Incorporated | Device of reporting control information |
| US10085241B2 (en) * | 2014-11-07 | 2018-09-25 | Acer Incorporated | Device of reporting control information |
| KR102301836B1 (ko) * | 2015-02-27 | 2021-09-14 | 삼성전자 주식회사 | 이동 통신 시스템에서 SCell의 동적 제어 방법 및 장치 |
| US9871572B2 (en) | 2015-03-09 | 2018-01-16 | Ofinno Technologies, Llc | Uplink control channel in a wireless network |
| WO2016171419A1 (en) * | 2015-04-18 | 2016-10-27 | Lg Electronics Inc. | Method for allocating cell index for wlan network for lte-wlan aggregation system and a device therefor |
| US10123349B2 (en) | 2015-07-09 | 2018-11-06 | Qualcomm Incorporated | Low latency physical uplink control channel with scheduling request and channel state information |
| US10616886B2 (en) | 2015-08-25 | 2020-04-07 | Idac Holdings, Inc. | Framing, scheduling, and synchronization in wireless systems |
| WO2017105494A1 (en) * | 2015-12-18 | 2017-06-22 | Intel IP Corporation | POINT SWITCHING IN CELL-LESS mmWAVE SMALL CELL |
| US11109372B2 (en) * | 2016-01-11 | 2021-08-31 | Qualcomm Incorporated | Narrow-band physical control channel design |
| EP3404896B1 (en) | 2016-01-12 | 2022-03-09 | Fujitsu Limited | Wireless communication device, wireless communication system, and wireless communication method |
| EP3404897B1 (en) | 2016-01-12 | 2021-01-20 | Fujitsu Limited | Wireless communication device, wireless communication system, and wireless communication method |
| WO2017124232A1 (en) * | 2016-01-18 | 2017-07-27 | Lenovo Innovations Limited (Hong Kong) | Uci transmission using different subframe types |
| EP3439409B1 (en) * | 2016-03-31 | 2021-10-13 | Ntt Docomo, Inc. | User device |
| WO2017177223A1 (en) | 2016-04-08 | 2017-10-12 | Altiostar Networks, Inc. | Dual connectivity |
| WO2017177224A1 (en) | 2016-04-08 | 2017-10-12 | Altiostar Networks, Inc. | Wireless data priority services |
| US9867211B2 (en) * | 2016-04-27 | 2018-01-09 | Cellos Software Ltd. | Method and communication apparatus for acquiring scheduling information of neighbouring cell base station |
| US10512065B2 (en) * | 2016-05-31 | 2019-12-17 | Qualcomm Incorporated | Flexible control information reporting |
| US10869282B2 (en) * | 2016-06-03 | 2020-12-15 | Lg Electronics Inc. | Method for transmitting uplink control channel in wireless communication system, and device therefor |
| US10778500B2 (en) * | 2016-06-27 | 2020-09-15 | Lg Electronics Inc. | Method for transmitting and receiving reference signal in wireless communication system and device therefor |
| JP2019153824A (ja) * | 2016-07-22 | 2019-09-12 | シャープ株式会社 | 端末装置、基地局装置、通信方法、および、集積回路 |
| JP6818774B2 (ja) * | 2016-07-28 | 2021-01-20 | オッポ広東移動通信有限公司Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 通信方法及び通信装置 |
| KR102441215B1 (ko) | 2016-08-11 | 2022-09-07 | 삼성전자 주식회사 | 차세대 셀룰러 네트워크에서 데이터 전송 방법 및 장치 |
| US11412534B2 (en) * | 2016-11-04 | 2022-08-09 | Qualcomm Incorporated | System and method for mapping uplink control information |
| EP3319252A1 (en) * | 2016-11-04 | 2018-05-09 | Panasonic Intellectual Property Corporation of America | Efficient multiplexing of control information in transport block |
| CN108124290B (zh) * | 2016-11-29 | 2020-05-15 | 北京佰才邦技术有限公司 | 一种无接入切换的处理方法、移动通信终端及接入设备 |
| US10624034B2 (en) | 2016-12-13 | 2020-04-14 | Altiostar Networks, Inc. | Power control in wireless communications |
| CN112714470B (zh) * | 2017-01-04 | 2022-09-02 | 华为技术有限公司 | 一种通信方法及其终端设备、网络设备 |
| CN108282897B (zh) * | 2017-01-06 | 2020-04-17 | 电信科学技术研究院 | 一种随机接入反馈、处理方法、基站及终端 |
| US10848287B2 (en) * | 2017-01-13 | 2020-11-24 | Motorola Mobility Llc | Method and apparatus for performing contention based random access in a carrier frequency |
| CN110622552B (zh) * | 2017-03-08 | 2023-09-22 | 诺基亚通信公司 | 用于通信的装置和方法 |
| US10880058B2 (en) * | 2017-04-25 | 2020-12-29 | Qualcomm Incorporated | Transmitting uplink control information (UCI) |
| CN116528370A (zh) * | 2017-06-16 | 2023-08-01 | 华为技术有限公司 | 一种通信方法及装置 |
| CN109121220B (zh) * | 2017-06-23 | 2022-07-26 | 夏普株式会社 | 无线通信方法和设备 |
| CN109286973B (zh) * | 2017-07-21 | 2021-10-19 | 夏普株式会社 | 用户功率余量报告相关方法、用户设备和基站 |
| US12063084B2 (en) * | 2017-07-27 | 2024-08-13 | Qualcomm Incorporated | Coordinated beamforming (COBF) protocol for unmanaged networks |
| EP3726914B1 (en) | 2017-08-10 | 2024-07-24 | Comcast Cable Communications, LLC | Activation of grant-free transmission |
| US10278227B2 (en) | 2017-09-01 | 2019-04-30 | Google Llc | Downlink-only fifth generation new radio |
| US11246154B2 (en) | 2017-09-07 | 2022-02-08 | Comcast Cable Communications, Llc | Configured grant and dynamic grant transmission |
| CN111201830B (zh) | 2017-09-08 | 2023-10-20 | 交互数字专利控股公司 | 用于nr的利用动态带宽的多个trp和面板传输 |
| WO2019051242A2 (en) | 2017-09-08 | 2019-03-14 | Convida Wireless, Llc | COMMUNICATION MANAGEMENT USING DOWNLINK COMMAND INFORMATION |
| US11831436B2 (en) | 2017-09-28 | 2023-11-28 | Comcast Cable Communications, Llc | HARQ feedback for grant-free transmission |
| US11277862B2 (en) | 2017-10-26 | 2022-03-15 | Comcast Cable Communications, Llc | Activation and deactivation of configured grant |
| CA3022244C (en) | 2017-10-27 | 2025-10-14 | Ofinno, Llc | COMMON GROUP DOWNLINK ORDER INFORMATION FOR WIRELESS RESOURCES |
| US20190132831A1 (en) * | 2017-10-30 | 2019-05-02 | Google Llc | Resource Element-Level Allocation For Wireless Communication |
| RU2763158C2 (ru) * | 2017-11-16 | 2021-12-27 | Шарп Кабусики Кайся | Оборудование пользователя, базовые станции и способы |
| US10638507B2 (en) | 2017-11-16 | 2020-04-28 | Sharp Kabushiki Kaisha | User equipments, base stations and methods |
| CA3024549A1 (en) | 2017-11-16 | 2019-05-16 | Comcast Cable Communications, Llc | Power control for bandwidth part switching |
| CN110034848B (zh) * | 2018-01-12 | 2021-03-23 | 华为技术有限公司 | 一种信息传输方法和装置 |
| US11394517B2 (en) | 2018-01-12 | 2022-07-19 | Qualcomm Incorporated | Controlling multiplexing of a reference signal on an uplink shared channel |
| KR20190129662A (ko) * | 2018-05-11 | 2019-11-20 | 삼성전자주식회사 | 무선통신시스템에서 신호를 송수신하는 방법 및 장치 |
| EP3793300A4 (en) * | 2018-05-11 | 2021-12-15 | Ntt Docomo, Inc. | USER TERMINAL AND WIRELESS BASE STATION |
| US11075846B2 (en) * | 2018-06-18 | 2021-07-27 | Qualcomm Incorporated | Round-trip time signaling |
| EP3837892B1 (en) | 2018-09-17 | 2024-03-20 | Samsung Electronics Co., Ltd. | Method and apparatus for system information acquisition |
| US11201706B2 (en) * | 2018-10-22 | 2021-12-14 | Qualcomm Incorporated | Soft ACK-NACK with CSI codebook |
| WO2020088457A1 (en) * | 2018-10-30 | 2020-05-07 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for random access in wireless network |
| CN119094095A (zh) | 2019-01-21 | 2024-12-06 | 中兴通讯股份有限公司 | 无线通信方法、无线通信装置、计算机可读介质 |
| US11509424B2 (en) * | 2019-04-01 | 2022-11-22 | Samsung Electronics Co., Ltd. | Method and apparatus for grant free based data transmission in wireless communication system |
| KR102868523B1 (ko) | 2019-04-01 | 2025-10-13 | 삼성전자 주식회사 | 무선 통신 시스템에서 비승인 기반 데이터 전송 방법 및 장치 |
| US11013054B2 (en) * | 2019-04-12 | 2021-05-18 | Ofinno, Llc | UE-assistance to support multiple systems based on frequency band combinations |
| JP7219340B2 (ja) * | 2019-06-26 | 2023-02-07 | 株式会社Nttドコモ | 端末 |
| JP7410985B2 (ja) * | 2019-09-30 | 2024-01-10 | オッポ広東移動通信有限公司 | アップリンク制御情報の伝送方法及び装置 |
| EP4255052B1 (en) | 2019-10-03 | 2024-10-30 | LG Electronics Inc. | Completion mechanism for transmission using preconfigured uplink resource |
| CN114557049B (zh) * | 2019-10-15 | 2023-09-01 | 苹果公司 | 用于载波聚合的连接非连续接收 |
| KR20210062932A (ko) * | 2019-11-22 | 2021-06-01 | 삼성전자주식회사 | 무선 통신 시스템에서 제어 및 데이터 정보 전송 방법 및 장치 |
| US11678284B2 (en) | 2020-04-17 | 2023-06-13 | Electronics And Telecommunications Research Institute | Radio communication method for time-sensitive network, and apparatus therefor |
| MX2023001070A (es) * | 2020-07-29 | 2023-02-16 | Ericsson Telefon Ab L M | Transmision mejorada de libro de codigos de harq-ack de un paso. |
| US11956165B2 (en) | 2020-10-12 | 2024-04-09 | T-Mobile Usa, Inc. | Optimizing uplink band scheduling of contiguous and non-contiguous frequency range 1 (FR1) and frequency range 2 (FR2) spectrum |
| CN117014111A (zh) * | 2022-04-26 | 2023-11-07 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的节点中的方法和装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060100451A (ko) * | 2003-11-25 | 2006-09-20 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | 통신 시스템 내에서 제2 노드와 통신하는 제1 노드에서의업링크 통신과 다운링크 통신 간의 경로 손실 차를추정하기 위한 방법, 장치 및 컴퓨터 판독가능 매체 |
| KR20110081954A (ko) * | 2008-09-22 | 2011-07-15 | 가부시키가이샤 엔티티 도코모 | 이동국 및 무선기지국 |
| US20110249641A1 (en) * | 2010-04-09 | 2011-10-13 | Pantech Co., Ltd. | Apparatus and method for performing random access in multi-carrier system |
| KR20120083863A (ko) * | 2011-01-18 | 2012-07-26 | 삼성전자주식회사 | 무선 통신 시스템에서 셀 간 간섭 전력량을 효율적으로 제어하는 방법 및 장치 |
Family Cites Families (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050078635A (ko) * | 2004-02-02 | 2005-08-05 | 한국전자통신연구원 | 이동 통신 시스템에서의 채널 품질 정보 요청 및 보고방법, 그리고 그 장치 |
| KR101342365B1 (ko) * | 2006-12-07 | 2013-12-16 | 엘지전자 주식회사 | 무선 통신 시스템에서의 데이터 전달 방법 |
| EP2145436B1 (en) * | 2007-04-30 | 2011-09-07 | LG Electronics Inc. | Methods of generating a data block in a mobile communication system |
| KR100937434B1 (ko) * | 2007-09-13 | 2010-01-18 | 엘지전자 주식회사 | 무선 통신 시스템에서의 버퍼 상태 보고 방법 |
| KR101498734B1 (ko) | 2007-09-28 | 2015-03-12 | 엘지전자 주식회사 | 무선 통신 시스템에서 제어정보 검출 방법 |
| KR20100011879A (ko) | 2008-07-25 | 2010-02-03 | 엘지전자 주식회사 | 무선 통신 시스템에서 데이터 수신 방법 |
| KR20150023886A (ko) * | 2008-12-03 | 2015-03-05 | 인터디지탈 패튼 홀딩스, 인크 | 캐리어 집적에 대한 업링크 파워 헤드룸 보고 |
| US20100195586A1 (en) * | 2009-02-05 | 2010-08-05 | Infineon Technologies Ag | Multiband-operation in wireless communication systems |
| KR101718163B1 (ko) | 2009-04-03 | 2017-03-21 | 엘지전자 주식회사 | 무선 통신 시스템에서 상향링크 harq를 수행하는 장치 및 방법 |
| US8649281B2 (en) * | 2009-04-27 | 2014-02-11 | Samsung Electronics Co., Ltd. | Control design for backhaul relay to support multiple HARQ processes |
| US8995364B2 (en) * | 2009-07-16 | 2015-03-31 | Lg Electronics Inc. | Method in which a receiver transmits control information in a wireless communication system |
| BR112012002816B1 (pt) * | 2009-08-07 | 2021-06-15 | Huawei Technologies Co., Ltd | Método para configurar um sinal de referência para um equipamento de usuário servido por pelo menos duas células ao mesmo tempo, método e dispositivo para configurar um sinal de referência, e equipamento de usuário servido por pelo menos duas células ao mesmo tempo |
| CN102036398B (zh) | 2009-09-29 | 2015-06-03 | 中兴通讯股份有限公司 | 一种中继节点及其传输数据的方法 |
| US8767797B2 (en) | 2009-10-05 | 2014-07-01 | Qualcomm Incorporated | Apparatus and method for providing HARQ feedback in a multi-carrier wireless communication system |
| US9438402B2 (en) * | 2009-10-19 | 2016-09-06 | Samsung Electronics Co., Ltd | Transmission diversity and multiplexing for HARQ-ACK signals in communication systems |
| CN105306187A (zh) | 2009-11-19 | 2016-02-03 | 交互数字专利控股公司 | Wtru及在其中实施的用于处理载波聚合的方法 |
| JP4790057B2 (ja) * | 2009-12-04 | 2011-10-12 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法及び交換局 |
| KR101799595B1 (ko) | 2009-12-17 | 2017-11-21 | 엘지전자 주식회사 | 무선 통신 시스템에서 harq 수행 방법 및 장치 |
| KR101750371B1 (ko) * | 2009-12-24 | 2017-07-03 | 삼성전자 주식회사 | 크로스 캐리어 스케쥴링을 지원하는 tdd 통신시스템에서 물리채널의 송수신 타이밍을 정의하는 방법 |
| WO2011083984A2 (en) * | 2010-01-07 | 2011-07-14 | Samsung Electronics Co., Ltd. | Resource indexing for acknowledgement signals in response to receptions of multiple assignments |
| JP4913222B2 (ja) * | 2010-02-12 | 2012-04-11 | シャープ株式会社 | 無線通信システム、移動局装置、無線通信方法および集積回路 |
| US8422429B2 (en) * | 2010-05-04 | 2013-04-16 | Samsung Electronics Co., Ltd. | Method and system for indicating the transmission mode for uplink control information |
| US9413498B2 (en) * | 2010-05-26 | 2016-08-09 | Innovative Sonic Corporation | Method and apparatus for handling buffer status reporting in a wireless communication system |
| US10135595B2 (en) * | 2010-06-21 | 2018-11-20 | Telefonaktiebolaget L M Ericsson (Publ) | Uplink control information (UCI) mapping indicator for long term evolution (LTE) carrier aggregation |
| CN102104458B (zh) * | 2010-07-02 | 2013-07-31 | 电信科学技术研究院 | 上行控制信息的传输方法和设备 |
| JP5662448B2 (ja) * | 2010-07-21 | 2015-01-28 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | 基地局装置、端末装置、送信方法及び受信方法 |
| US20120082107A1 (en) | 2010-10-05 | 2012-04-05 | Ou Meng-Hui | Method and apparatus for implicit scell deactivation in a wireless communication system |
| US8837358B2 (en) * | 2010-10-18 | 2014-09-16 | Nokia Siemens Networks Oy | UL ACK/NACK for inter-radio access technology carrier aggregation |
| US8964684B2 (en) * | 2010-11-16 | 2015-02-24 | Lg Electronics Inc. | Method and apparatus for providing control information |
| US8675558B2 (en) * | 2011-01-07 | 2014-03-18 | Intel Corporation | CQI definition for transmission mode 9 in LTE-advanced |
| KR101880460B1 (ko) * | 2011-01-10 | 2018-07-20 | 엘지전자 주식회사 | 무선통신 시스템에서의 제어정보의 전송 방법 및 장치 |
| WO2012096502A2 (en) | 2011-01-11 | 2012-07-19 | Samsung Electronics Co., Ltd. | Secondary carrier activation/deactivation method and apparatus for mobile communication system supporting carrier aggregation |
| KR101907528B1 (ko) * | 2011-02-18 | 2018-10-12 | 삼성전자 주식회사 | 이동 통신 시스템 및 그 이동 통신 시스템에서 채널 송수신 방법 |
| CN102684855A (zh) * | 2011-03-11 | 2012-09-19 | 北京三星通信技术研究有限公司 | 一种混合自动重传定时关系的指示方法 |
| US8837304B2 (en) | 2011-04-08 | 2014-09-16 | Sharp Kabushiki Kaisha | Devices for multi-group communications |
| CN107147480B (zh) * | 2011-04-22 | 2021-02-02 | 北京三星通信技术研究有限公司 | 一种支持pusch的同步harq传输的方法及装置 |
| US9485075B2 (en) | 2011-04-29 | 2016-11-01 | Futurewei Technologies Inc. | Method and system for transmission and reception of signals and related method of signaling |
| WO2012150886A1 (en) | 2011-05-02 | 2012-11-08 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for prohibiting sounding reference signal transmission newly activated secondary cells in a wireless communication system |
| KR101961807B1 (ko) * | 2011-05-31 | 2019-07-18 | 삼성전자 주식회사 | 반송파 결합을 지원하는 tdd 통신 시스템에서 물리채널의 송수신 타이밍 및 자원 할당을 정의하는 방법 및 장치 |
| US20130010641A1 (en) * | 2011-07-05 | 2013-01-10 | Esmael Dinan | Carrier Activation Employing RRC messages |
| US20130010620A1 (en) * | 2011-07-10 | 2013-01-10 | Esmael Dinan | Connection Reconfiguration in a Multicarrier OFDM Network |
| KR101979848B1 (ko) * | 2011-09-23 | 2019-05-17 | 엘지전자 주식회사 | 제어 정보를 전송하는 방법 및 이를 위한 장치 |
| AU2013202045A1 (en) * | 2011-10-04 | 2013-05-02 | Telefonaktiebolaget L M Ericsson (Publ) | Simultaneous reporting of ACK/NACK and channel-state information using PUCCH Format 3 resources |
| CN102510577B (zh) * | 2011-10-28 | 2017-10-27 | 中兴通讯股份有限公司 | 一种进行上行信道或信号发送的方法及设备 |
| WO2013077633A1 (ko) * | 2011-11-21 | 2013-05-30 | 엘지전자 주식회사 | 무선 통신 시스템에서 ack/nack 전송 방법 및 장치 |
| US9065621B2 (en) * | 2012-01-15 | 2015-06-23 | Lg Electronics Inc. | Method and apparatus for transmitting control information in wireless communication system |
| WO2013112189A1 (en) * | 2012-01-23 | 2013-08-01 | Intel Corporation | Network assisted user association and offloading techniques for integrated multi-rat heterogeneous networks |
| US8995405B2 (en) * | 2012-01-25 | 2015-03-31 | Ofinno Technologies, Llc | Pathloss reference configuration in a wireless device and base station |
| US9237537B2 (en) * | 2012-01-25 | 2016-01-12 | Ofinno Technologies, Llc | Random access process in a multicarrier base station and wireless device |
| US9426797B2 (en) * | 2012-01-26 | 2016-08-23 | Lg Electronics Inc. | Method for transceiving control information and apparatus for same |
| US9060357B2 (en) | 2012-02-14 | 2015-06-16 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting uplink and downlink data in TDD system |
| US20130242881A1 (en) * | 2012-03-16 | 2013-09-19 | Yiping Wang | Explicit indication of uplink control channel resources in carrier aggregation systems |
| US9526091B2 (en) * | 2012-03-16 | 2016-12-20 | Intel Corporation | Method and apparatus for coordination of self-optimization functions in a wireless network |
| US8971280B2 (en) * | 2012-04-20 | 2015-03-03 | Ofinno Technologies, Llc | Uplink transmissions in a wireless device |
| US9185564B2 (en) * | 2012-05-11 | 2015-11-10 | Sharp Kabushiki Kaisha | Devices for sending and receiving feedback information |
| US9014064B2 (en) * | 2012-05-11 | 2015-04-21 | Intel Corporation | Scheduling and hybrid automatic repeat request (HARQ) timing indication for an uplink-downlink (UL-DL) reconfiguration |
| US8953635B2 (en) | 2012-05-17 | 2015-02-10 | Sharp Kabushiki Kaisha | Devices for sending and receiving feedback information |
| CN103609188B (zh) | 2012-06-12 | 2017-11-21 | 华为技术有限公司 | 载波资源配置方法、上行信息传输方法、基站及用户设备 |
| US9749094B2 (en) * | 2012-06-14 | 2017-08-29 | Sharp Kabushiki Kaisha | Devices for sending and receiving feedback information |
| US9179457B2 (en) * | 2012-06-20 | 2015-11-03 | Ofinno Technologies, Llc | Carrier configuration in wireless networks |
| CN109412775B (zh) * | 2012-06-27 | 2021-08-03 | 北京三星通信技术研究有限公司 | 一种发送harq-ack反馈信息的方法 |
| US9559812B2 (en) * | 2012-07-27 | 2017-01-31 | Lg Electronics Inc. | Method and terminal for performing HARQ |
| US8885752B2 (en) * | 2012-07-27 | 2014-11-11 | Intel Corporation | Method and apparatus for feedback in 3D MIMO wireless systems |
| WO2014021664A1 (ko) | 2012-08-01 | 2014-02-06 | 엘지전자 주식회사 | 제어 정보를 시그널링 하는 방법 및 이를 위한 장치 |
| ES2760566T3 (es) * | 2013-01-07 | 2020-05-14 | Samsung Electronics Co Ltd | Procedimientos y aparatos para agregación de portadoras entre eNB |
| WO2015047149A1 (en) * | 2013-09-27 | 2015-04-02 | Telefonaktiebolaget L M Ericsson (Publ) | Aggregation groups for aggregating heterogeneous carriers |
| US9749963B2 (en) * | 2014-01-22 | 2017-08-29 | Lg Electronics Inc. | Uplink power control in dual connectivity to first or second cell group based on first or second configuration |
| WO2015147543A1 (ko) * | 2014-03-25 | 2015-10-01 | 엘지전자 주식회사 | 무선 통신 시스템에서 제어 정보 전송 방법 및 장치 |
| US10142945B2 (en) | 2014-06-05 | 2018-11-27 | Samsung Electronics Co., Ltd. | Power control for transmission of uplink control information on two cells in carrier aggregation |
| JP6618084B2 (ja) * | 2014-11-06 | 2019-12-11 | シャープ株式会社 | 端末装置、基地局装置および方法 |
-
2013
- 2013-08-01 WO PCT/KR2013/006958 patent/WO2014021664A1/ko not_active Ceased
- 2013-08-01 US US14/418,855 patent/US9504029B2/en not_active Expired - Fee Related
- 2013-08-01 KR KR1020147035250A patent/KR102088022B1/ko active Active
- 2013-08-01 WO PCT/KR2013/006956 patent/WO2014021662A1/ko not_active Ceased
- 2013-08-01 US US14/416,940 patent/US9402253B2/en active Active
- 2013-08-01 CN CN201380041103.6A patent/CN104521169B/zh active Active
- 2013-08-01 KR KR1020197001280A patent/KR102057868B1/ko active Active
-
2016
- 2016-06-24 US US15/192,667 patent/US9629148B2/en active Active
- 2016-10-24 US US15/332,638 patent/US9788307B2/en not_active Expired - Fee Related
-
2017
- 2017-03-23 US US15/467,220 patent/US9848414B2/en active Active
- 2017-07-17 US US15/652,040 patent/US10070426B2/en active Active
-
2018
- 2018-06-12 US US16/006,656 patent/US11064469B2/en active Active
-
2021
- 2021-06-01 US US17/335,886 patent/US11564215B2/en active Active
-
2022
- 2022-05-18 US US17/747,550 patent/US11844082B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060100451A (ko) * | 2003-11-25 | 2006-09-20 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | 통신 시스템 내에서 제2 노드와 통신하는 제1 노드에서의업링크 통신과 다운링크 통신 간의 경로 손실 차를추정하기 위한 방법, 장치 및 컴퓨터 판독가능 매체 |
| KR20110081954A (ko) * | 2008-09-22 | 2011-07-15 | 가부시키가이샤 엔티티 도코모 | 이동국 및 무선기지국 |
| US20110249641A1 (en) * | 2010-04-09 | 2011-10-13 | Pantech Co., Ltd. | Apparatus and method for performing random access in multi-carrier system |
| KR20120083863A (ko) * | 2011-01-18 | 2012-07-26 | 삼성전자주식회사 | 무선 통신 시스템에서 셀 간 간섭 전력량을 효율적으로 제어하는 방법 및 장치 |
Non-Patent Citations (1)
| Title |
|---|
| RENESAS MOBILE EUROPE: "Multiple timing advance using multiple RACH", 3GPP TSG-RAN WG2 MEETING #74, R2-113014, 9 May 2011 (2011-05-09), BARCELONA, SPAIN, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/VJG2_RL2/TSGR2_74/Docs> * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119202A1 (en) * | 2015-01-30 | 2016-08-04 | Nokia Solutions And Networks Oy | Methods, apparatus, computer program, computer pro-gram product and mobile communications network for serving cells comprising primary cell and secondary sells |
| US10284354B2 (en) | 2015-01-30 | 2019-05-07 | Nokia Solutions And Networks Oy | Methods, apparatus, computer program, computer program product and mobile communications network for serving cells comprising primary cell and secondary cells |
| CN108293202A (zh) * | 2015-12-10 | 2018-07-17 | 三星电子株式会社 | 利用载波聚合技术在无线通信系统中发送和接收测量报告的方法和设备 |
| US11350471B2 (en) | 2015-12-10 | 2022-05-31 | Samsung Electronics Co., Ltd. | Method and device for transmitting and receiving measurement report in wireless communication system using carrier aggregation technique |
| CN108293202B (zh) * | 2015-12-10 | 2022-09-16 | 三星电子株式会社 | 在无线通信系统中发送和接收测量报告的方法和设备 |
| US12219634B2 (en) | 2015-12-10 | 2025-02-04 | Samsung Electronics Co., Ltd. | Method and device for transmitting and receiving measurement report in wireless communication system using carrier aggregation technique |
| CN108023708A (zh) * | 2016-11-03 | 2018-05-11 | 中兴通讯股份有限公司 | 一种信息发送方法、装置、系统及相关设备 |
| US11425749B2 (en) | 2016-11-03 | 2022-08-23 | Zte Corporation | Information sending method, apparatus, system, related device, and storage medium |
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| US20170196005A1 (en) | 2017-07-06 |
| US20170318577A1 (en) | 2017-11-02 |
| US9402253B2 (en) | 2016-07-26 |
| US20150208386A1 (en) | 2015-07-23 |
| US9848414B2 (en) | 2017-12-19 |
| WO2014021662A1 (ko) | 2014-02-06 |
| KR20190007534A (ko) | 2019-01-22 |
| CN104521169B (zh) | 2017-10-03 |
| US20150156764A1 (en) | 2015-06-04 |
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