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WO2018081973A1 - 传输信号的方法、终端设备和网络设备 - Google Patents

传输信号的方法、终端设备和网络设备 Download PDF

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Publication number
WO2018081973A1
WO2018081973A1 PCT/CN2016/104443 CN2016104443W WO2018081973A1 WO 2018081973 A1 WO2018081973 A1 WO 2018081973A1 CN 2016104443 W CN2016104443 W CN 2016104443W WO 2018081973 A1 WO2018081973 A1 WO 2018081973A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
resource
indication information
resource region
network device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/104443
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English (en)
French (fr)
Inventor
林亚男
许华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to SG11201903884WA priority Critical patent/SG11201903884WA/en
Priority to KR1020197015308A priority patent/KR102671877B1/ko
Priority to US16/346,295 priority patent/US11290994B2/en
Priority to BR112019008804-0A priority patent/BR112019008804B1/pt
Priority to RU2019117206A priority patent/RU2727798C1/ru
Priority to AU2016428406A priority patent/AU2016428406B2/en
Priority to CN201680090434.2A priority patent/CN109891966B/zh
Priority to CA3041929A priority patent/CA3041929C/en
Priority to MX2019005155A priority patent/MX2019005155A/es
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to JP2019522848A priority patent/JP6987137B2/ja
Priority to PCT/CN2016/104443 priority patent/WO2018081973A1/zh
Priority to EP16920639.8A priority patent/EP3506694B1/en
Priority to TW106137479A priority patent/TW201818751A/zh
Publication of WO2018081973A1 publication Critical patent/WO2018081973A1/zh
Anticipated expiration legal-status Critical
Priority to ZA2019/03484A priority patent/ZA201903484B/en
Ceased legal-status Critical Current

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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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • 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
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • 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
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • H04L5/0083—Timing of allocation at predetermined intervals symbol-by-symbol
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0092—Indication of how the channel is divided
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular, to a method for transmitting a signal, a terminal device, and a network device.
  • the Physical Downlink Control Channel (PDCCH) control region is the first Orthogonal Frequency Division Multiplexing (OFDM) of each subframe.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the embodiments of the present invention provide a method and a device for transmitting signals, which can improve system performance and reduce power consumption of the terminal device.
  • a method for transmitting a signal comprising: transmitting, to a first terminal device, indication information, where the indication information is used to indicate a resource region used by the first terminal device to receive a downlink control signal;
  • the downlink control signal is sent to the first terminal device in the area.
  • the network device may allocate a resource area for each terminal device, where the resource area may be used to transmit a dedicated downlink control signal of the corresponding terminal device, and the network device may also allocate a resource area for multiple terminal devices, and the resource may be used by the network device. Transmitting a corresponding dedicated downlink control signal of each of the multiple terminal devices; the network device may also allocate a resource region for the plurality of terminal devices to transmit a common control signal of the multiple terminal devices; the network device may also not transmit the public
  • the control signal specifically allocates a resource area, and the common downlink control signal can be sent on the resource area allocated by each terminal device for transmitting the dedicated downlink control signal, so as to ensure that each terminal device can detect.
  • the resource region includes at least one physical resource block
  • the source area includes multiple physical resource blocks
  • any two of the plurality of physical resource blocks are continuous or discrete in the frequency domain.
  • the indication information includes a first bit table, where each bit in the first bit table corresponds to each physical resource block in a system bandwidth, and the bit in the first bit table The bit being the first value indicates that the corresponding physical resource block belongs to the resource region.
  • the indication information includes a starting frequency point and a second bit table, where the plurality of bits in the second bit table correspond to multiple physics starting from the starting frequency point a resource block, the plurality of bits are in one-to-one correspondence with the plurality of physical resource blocks, and the bit in the second bit table is a first value indicating that the corresponding physical resource block belongs to the resource region.
  • the indication information includes an initial frequency point indicating a starting position of the resource region in the system bandwidth and an ending frequency point indicating an ending position in the system bandwidth.
  • the indication information includes a starting frequency point indicating a starting position of the resource area in the system bandwidth and a bandwidth length of the resource area.
  • the indication manners of the foregoing resource areas may also be combined.
  • the indication information indicates a frequency domain parameter of the resource area
  • the indication information is sent to the first terminal device by using a system message or a high layer signaling. If the indication information indicates a time domain parameter of the resource area, the indication information is sent to the first terminal device by using a system message, a high layer signaling, or a physical layer signaling.
  • the resource region includes at least one consecutive OFDM symbol starting from a first orthogonal frequency division multiplexing OFDM symbol in a first time slot or a first minislot
  • the indication information includes The number of OFDM symbols belonging to the first time slot or the first minislot in the resource region.
  • the high layer signaling includes a radio control resource RRC message, where the system message includes an SIB message and a physical broadcast channel PBCH message, where the physical layer signaling includes from at least one time slot or at least one micro time slot.
  • RRC message radio control resource
  • the system message includes an SIB message and a physical broadcast channel PBCH message
  • the physical layer signaling includes from at least one time slot or at least one micro time slot.
  • the sending the downlink control signal to the first terminal device on the resource area further includes: using a beam corresponding to the resource region, and sending the beam to the first terminal device on the resource region The downlink control signal.
  • the network device may transmit a downlink control signal on a certain OFDM symbol using a specific beamforming.
  • the method further includes: decomposing each control channel of the at least one control channel for carrying the downlink control signal into at least one control channel unit, and mapping the transmission to the resource region, where the The control channels are in one-to-one correspondence with a plurality of terminal devices, and the plurality of terminal devices include the first terminal devices.
  • different control channel units in the at least one control channel are mapped to different physical resource blocks and/or different OFDM symbols in the resource region, and/or the first one of the at least one control channel At least one control channel element of a control channel is mapped to all OFDM symbols in the same physical resource block in the resource region, and/or different control channel elements in the at least one control channel are mapped to the same OFDM in the resource region At least part of the physical resource block within the symbol.
  • the method further includes: determining, according to a beam used by the first terminal device, the resource region corresponding to the beam; or determining, according to the neighboring cell of the first terminal device, the neighboring cell The resource area corresponding to the cell; or determining the resource area according to the location of the first terminal device in the cell and the mobility characteristic of the first terminal device; or determining the resource region according to the load of the network device.
  • a second aspect provides a method for transmitting a signal, the method comprising: receiving indication information sent by a network device, where the indication information is used to indicate a resource area used by the first terminal device to receive a downlink control signal; and according to the indication information, Receiving the downlink control signal sent by the network device on the resource area.
  • the resource region includes at least one physical resource block, where the resource region includes multiple physical resource blocks, and any two of the multiple physical resource blocks are consecutive in the frequency domain. Or discrete.
  • the indication information includes a first bit table, where each bit in the first bit table corresponds to each physical resource block in a system bandwidth, and the bit in the first bit table The bit being the first value indicates that the corresponding physical resource block belongs to the resource region.
  • the indication information includes a starting frequency point and a second bit table, where the plurality of bits in the second bit table correspond to multiple physics starting from the starting frequency point a resource block, the plurality of bits are in one-to-one correspondence with the plurality of physical resource blocks, and the bit in the second bit table is a first value indicating that the corresponding physical resource block belongs to the resource region.
  • the indication information includes an initial frequency point indicating a starting position of the resource region in the system bandwidth and an ending frequency point indicating an ending position in the system bandwidth.
  • the indication information includes a starting frequency point indicating a starting position of the resource area in the system bandwidth and a bandwidth length of the resource area.
  • the resource region includes at least one consecutive OFDM symbol starting from a first orthogonal frequency division multiplexing OFDM symbol in a first time slot or a first minislot
  • the indication information includes The number of OFDM symbols belonging to the first time slot or the first minislot in the resource region.
  • the indication information indicates a frequency domain parameter of the resource area
  • the indication information is sent to the first terminal device by using a system message or a high layer signaling. If the indication information indicates a time domain parameter of the resource area, the indication information is sent to the first terminal device by using a system message, a high layer signaling, or a physical layer signaling.
  • the high layer signaling includes a radio control resource RRC message, where the system message includes an SIB message and a physical broadcast channel PBCH message, where the physical layer signaling includes from at least one time slot or at least one micro time slot.
  • RRC message radio control resource
  • the system message includes an SIB message and a physical broadcast channel PBCH message
  • the physical layer signaling includes from at least one time slot or at least one micro time slot.
  • the receiving, by the network device, the downlink control signal sent by the network device according to the indication information, according to the indication information receiving, by the network device, the At least one control channel unit corresponding to the downlink control channel of the first terminal device; generating the downlink control signal in combination according to the at least one control channel unit.
  • a network device for performing the method of any of the first aspect or the first aspect of the first aspect.
  • the network device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a terminal device for performing the method in any of the above-mentioned second aspect or any possible implementation of the second aspect.
  • the terminal device comprises means for performing the method of any of the above-described second or second aspects of the second aspect.
  • a network device comprising: a memory, a processor, a transceiver, a communication interface, and a bus system.
  • the memory, the processor and the transceiver are connected through the bus system.
  • the processor executes the method of the first aspect, and controls the transceiver to receive input data and information, and outputs Data such as operation results.
  • a terminal device comprising: a memory, a processor, a transceiver, a communication interface, and a bus system.
  • the memory, the processor and the transceiver are connected by a bus system for storing instructions for executing instructions stored in the memory, the processor executing the method of the second aspect when the instruction is executed, and
  • the control transceiver receives input data and information, and outputs data such as operation results.
  • FIG. 1 is a schematic diagram of a possible application scenario of an embodiment of the present invention.
  • FIG. 2 is a schematic block diagram of an embodiment of the present invention for allocating resource regions to terminal devices.
  • FIG. 3 shows a schematic block diagram of a method of transmitting a signal according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram showing frequency domain parameters indicating resource regions according to an embodiment of the present invention.
  • FIG. 5 is a diagram showing a mapping of control channel elements of a plurality of terminal devices in a resource region according to an embodiment of the present invention.
  • FIG. 6 is a diagram showing another mapping of control channel elements of a plurality of terminal devices in a resource region according to an embodiment of the present invention.
  • FIG. 7 is a diagram showing another mapping of control channel elements of a plurality of terminal devices in a resource region according to an embodiment of the present invention.
  • FIG. 8 shows another schematic block diagram of a method of transmitting a signal according to an embodiment of the present invention.
  • FIG. 9 is a schematic block diagram of a network device for transmitting signals according to an embodiment of the present invention.
  • FIG. 10 is a schematic block diagram of a terminal device for transmitting signals according to an embodiment of the present invention.
  • FIG. 11 is another schematic block diagram of a network device for transmitting signals according to an embodiment of the present invention.
  • FIG. 12 is another schematic block diagram of a terminal device for transmitting signals according to an embodiment of the present invention.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solution of the embodiments of the present invention can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and low.
  • SCMA sparse code multiple access
  • LDS Low Density Signature
  • the SCMA system and the LDS system may also be referred to as other names in the communication field;
  • the technical solution of the embodiment of the present invention may be applied to adopt non-orthogonal Multi-carrier transmission system with multiple access technology, for example, Orthogonal Frequency Division Multiplexing (OFDM), filter bank multi-carrier (Filter Bank Multi-) Carrier (abbreviated as "FBMC”), Generalized Frequency Division Multiplexing (“GFDM”), and Filtered-OFDM (“F-OFDM”) system.
  • OFDM Orthogonal Frequency Division Multiplexing
  • FBMC filter bank multi-carrier
  • GFDM Generalized Frequency Division Multiplexing
  • F-OFDM Filtered-OF
  • the terminal device in the embodiment of the present invention may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present invention may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. ), can also be played in the LTE system.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • the evolved NodeB (eNB or eNodeB) may also be a wireless controller in a Cloud Radio Access Network (CRAN) scenario, or the network device may be a relay station, an access point, an in-vehicle device, or
  • CRAN Cloud Radio Access Network
  • the embodiment of the present invention is not limited to a wearable device, a network device in a future 5G network, or a network device in a future evolved PLMN network.
  • FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention.
  • the communication system in FIG. 1 may include a terminal device 10 and a network device 20.
  • the network device 20 is configured to provide communication services for the terminal device 10 and access the core network.
  • the terminal device 10 accesses the network by searching for synchronization signals, broadcast signals, and the like transmitted by the network device 20, thereby performing communication with the network.
  • the arrows shown in FIG. 1 may represent uplink/downlink transmissions by a cellular link between the terminal device 10 and the network device 20.
  • the PDCCH of LTE is transmitted on several OFDM symbols starting from each subframe, and the cell common pilot signal is used for demodulation.
  • LTE has introduced an Enhanced Physical Downlink Control Channel (E-PDCCH) signal.
  • E-PDCCH Enhanced Physical Downlink Control Channel
  • the E-PDCCH signal is transmitted in the entire PRB where data is normally transmitted, and is demodulated using the DMRS pilot signal.
  • MIMO Multiple Input Multiple Output
  • FIG. 2 shows a schematic block diagram of a method 100 of transmitting a signal in accordance with an embodiment of the present invention.
  • the method 100 can be performed by a network device, and specifically, can be performed by a base station, and the method 100 includes:
  • S110 sending, to the first terminal device, indication information, where the indication information is used to indicate a resource area that is used by the first terminal device to receive a downlink control signal;
  • the network device may select some resources in the entire system bandwidth as the resource region for transmitting the downlink control signal, and may send the indication information to the terminal device by using a system message or the like, and notify the terminal device to acquire the downlink control signal on the resource region allocated thereto. .
  • the network device may allocate a resource area for each terminal device, where the resource area may be used to transmit a dedicated downlink control signal of the corresponding terminal device; the network device may also allocate a resource area for multiple terminal devices, for transmitting the multiple a common control signal of the terminal device; the network device may not specifically allocate a resource region for transmitting the common control signal, and may send a common downlink control signal on the resource region allocated by each terminal device for transmitting the dedicated downlink control signal, To ensure that each terminal device can be detected.
  • the resource area in the method 100 may be used by the first terminal device to transmit the downlink control signal of the first terminal device, or may be allocated for the multiple terminal devices for transmitting the multiple terminal devices.
  • Dedicated downlink control signal may be used by the first terminal device to transmit the downlink control signal of the first terminal device, or may be allocated for the multiple terminal devices for transmitting the multiple terminal devices.
  • the network device can assign different resource regions to different beams. For common control signals, one resource region can be allocated separately, using a wider beamforming or several narrowband beamformings for common transmission. It is also possible not to allocate a single resource region to the common control channel, but to repeatedly transmit the common control channel on different resource regions; the network device may allocate different resource regions to different neighboring cells; the network device may be based on characteristics of different terminals. To allocate different resource areas, such as assigning some discontinuous physical resource blocks (PRBs) to terminals at some cell edges or some terminals that move faster, because the number of such terminals is relatively small. The size of the resource area may be smaller.
  • PRBs discontinuous physical resource blocks
  • Some consecutive PRBs are allocated to terminals in the center of some cells or some terminals that move slowly or statically; network devices can allocate different resource areas according to the load of different networks, such as some The terminal on the resource area corresponding to a large load (large scheduling delay, high control resource or high data resource usage rate) is allocated to a resource area corresponding to a light load (small scheduling delay, low control resource or low data resource usage rate).
  • Network devices can allocate different resources according to different time and network load Region, such as in normal daytime and evening users is large, the more resources allocated enabled region, and in the middle of the night and weekends few user, the region with fewer resources.
  • each group can be used to correspond to the transmission of control channels for at least one beam.
  • resource region 1 corresponds to beam 1
  • resource region 2 corresponds to beam 2
  • resource region 3 corresponds to beam 1 and beam 2.
  • the network device can be used in the resource area 1.
  • Beam 1 transmits a control channel to the terminal device 1, assuming that the terminal device 1 is the terminal device covered by the beam 1.
  • the network device may use the beam 2 to transmit the control channel to the terminal device 2 on the resource region 2, assuming that the terminal device 2 is the terminal device under the coverage of the beam 2.
  • the network device can also transmit a control channel to the terminal device 3 in the resource region 3 using the beam 1 and the beam 2, which is the terminal device at the junction of the beam 1 and the beam 2.
  • the resource regions in the embodiments of the present invention may be continuous or non-contiguous in the frequency domain; may be continuous or non-contiguous in the time domain.
  • the indication information sent by the network device to the first terminal device may be an indication of a frequency domain resource, or may be a time domain resource.
  • the indication information includes a first bit table, each bit in the first bit table corresponding to each physical resource block in the system bandwidth, where the bit in the first bit table is The first value indicates that the corresponding physical resource block belongs to the resource area.
  • the indication information includes a starting frequency point and a second bit table, where the plurality of bits in the second bit table correspond to a plurality of physical resource blocks that are consecutive from the starting frequency point, the multiple bits Corresponding to the plurality of physical resource blocks, the bit in the second bit table is a first value indicating that the corresponding physical resource block belongs to the resource region.
  • the indication information may further include an ending frequency point for indicating a starting frequency of the starting position of the resource region in the system bandwidth and an ending position in the system bandwidth.
  • the indication information may further include a starting frequency point indicating a starting position of the resource area in the system bandwidth and a bandwidth length of the resource area.
  • Figure 4 illustrates the use of a starting frequency point and a bit code table to indicate the resource region of the first terminal device.
  • one bit corresponds to one physical resource block PRB, and a value of “1” indicates that the physical resource block belongs to the resource area of the first terminal device, and a value of “0” indicates that the physical resource block does not belong to the first terminal device.
  • Resource area may be configured to take a value of “0” to indicate that the physical resource block belongs to the resource area of the first terminal device, and a value of “1” indicates that the physical resource block does not belong to the resource area of the first terminal device.
  • the bit code table is 12 bits, and the resource area of the first terminal device includes 3 PRBs.
  • the indication information used to indicate the frequency domain parameter of the resource area may be notified to the terminal device by using high layer signaling, such as a Radio Resource Control (RRC) message, or may be indicated by a system message, such as a broadcast channel.
  • RRC Radio Resource Control
  • the information is broadcast to the terminal device, and the terminal device can select a corresponding resource region according to some specific associations. For example, a certain resource region is associated with a certain frequency band, and the terminal device can use the resource if it successfully accesses the frequency band. Area go Receive your own downstream control signals. For example, a certain resource region is associated with a certain beam in a multi-beam cell. If the terminal successfully accesses the beam, the resource region can be used to receive its own downlink control signal.
  • RRC Radio Resource Control
  • the resource region includes at least one consecutive OFDM symbol starting from a first orthogonal frequency division multiplexing OFDM symbol in a first time slot or a first minislot, the indication information including the resource region The number of OFDM symbols belonging to the first time slot or the first minislot.
  • the terminal device can be semi-statically notified which OFDM symbols are used to transmit control signals, and the indication information can indicate the configuration of the resource region and the number of front-end OFDM symbols.
  • a dynamic common control signal can be used to inform that this common control signal can be transmitted on the first OFDM symbol of each slot or mini-slot. Notifying the terminal of the number of first OFDM symbols used to transmit the control signal in the corresponding resource region. For example, if the first three OFDM symbols are used to transmit the control signal, then the dynamic signal can be transmitted using 2 bits: 00 for 0 OFDM symbols, 01 for 1 OFDM symbol, 10 for 2 OFDM symbols, and 11 for 3 OFDM symbols.
  • This configuration can also be notified with a semi-static signal and then modified with a dynamic signal.
  • the semi-static signal supports the use of two OFMD symbols to transmit the control signal. If the terminal detects that the dynamic signal indication is 3 OFDM symbols, then there are 3 OFDM symbols in the current subframe for transmitting the control signal, if the terminal does not detect. To this dynamic signal, it is assumed that 2 OFDM symbols transmit control signals. It is also possible to use a common signal to indicate a control channel region in the time domain, and the terminal to perform blind detection on the first few OFDM symbols of each slot or mini-slot. For a control signal containing two levels of transmission, the OFDM symbol in which the second stage control signal is located can be detected from the control signal of the first stage.
  • the indication information used to indicate the time domain parameter of the resource area may be notified to the terminal device by using high layer signaling, such as a Radio Resource Control (RRC) message, or may be indicated by a system message, such as a broadcast channel.
  • RRC Radio Resource Control
  • the information is broadcast to the terminal device; the indication information may also be sent to the terminal device by physical layer signaling, such as public signaling sent from at least one time slot or at least one minislot or dedicated signaling of the first terminal device.
  • the resource regions (frequency domain PRB and time domain OFDM symbol number) within each beam can be configured separately. The same resource region can be repeated or partially repeated in different beams. If a common signal is used to indicate the number of OFDM symbols to transmit the control signal, each beam can use its own beamforming of the transmitted data to transmit its respective common signal, indicating each The number of OFDM symbols that should be used by the control signal in the beam. The number of OFDMs used to transmit control signals as indicated by common signals in different beams may be different.
  • the resource regions in the respective beams may also be configured semi-statically, and the network device may notify the terminal user of the resource regions corresponding to the respective beams through the broadcast channel or the high layer signaling.
  • the method further includes: decomposing each control channel of the at least one control channel for carrying the downlink control signal into at least one control channel unit, and mapping to the resource region for sending,
  • the plurality of control channels are in one-to-one correspondence with a plurality of terminal devices, and the plurality of terminal devices include the first terminal device.
  • decomposing the control channel into multiple control channel elements mapped on the resource area means that the control signal is divided into several pieces of mapping and transmitted at different resources in the resource area.
  • control channel units in the at least one control channel are mapped to different physical resource blocks and/or different OFDM symbols in the resource region, and/or at least one of the first control channels in the at least one control channel Control channel elements are mapped onto all OFDM symbols within the same physical resource block in the resource region, and/or different control channel elements in the at least one control channel are mapped to at least a portion of the physics within the same OFDM symbol in the resource region On the resource block.
  • the resource region includes 4 PRBs, and two of the PRBs are consecutive, and are discontinuous from the other two PRBs, and the control channel of the terminal 1 is decomposed into 4 control channel units, and mapped to 4 respectively.
  • the control channel of the terminal 2 is decomposed into 2 control channel elements and mapped to different OFDM symbols in the 2 PRBs
  • the control channel of the terminal 3 is decomposed into 3 control channel elements. And is mapped to different OFDM symbols in 3 PRBs.
  • the resource region includes four PRBs, and two of the PRBs are consecutive, and are discontinuous from the other two PRBs, and the control channel of the terminal 1 is decomposed into six control channel units, and mapped to the first On the 3 OFDM symbols of one PRB and the 3 OFDM symbols of the 3rd PRB, the control channel of the terminal 2 is decomposed into 3 control channel elements and mapped to 3 OFDM symbols in the 2nd PRB, The control channel of the terminal 3 is decomposed into three control channel elements and mapped onto three OFDM symbols in the fourth PRB.
  • the control channels of the plurality of terminal devices are decomposed into a plurality of control channel units, and the control channel units can be transmitted from one or more PRBs, and only one terminal control signal is transmitted on each PRB (PRB or PRB subset).
  • This multiplexing scheme can make better use of the frequency domain diversity gain, and also reduces the complexity of terminal detection.
  • the resource region includes four PRBs, and two of the PRBs are consecutive, and are discontinuous from the other two PRBs, and the control channel of the terminal 1 is decomposed into four control channel units, and mapped to the respective
  • the resource region is decomposed into the first OFDM symbol of all PRBs
  • the control channel of terminal 2 is decomposed into four control channel elements, and mapped to the second OFDM symbol of all PRBs in the resource region
  • the control channel of terminal 3 is decomposed. It is 4 control channel elements, and is mapped to the 3rd OFDM symbol of all PRBs of the resource region respectively.
  • Control channels of multiple terminals are transmitted from different OFDM symbols.
  • the corresponding control signal can be placed in the first OFDM symbol transmission, and the corresponding control signal can be placed in the second or third OFDM symbol transmission.
  • their control signals can also be transmitted from the first OFDM symbol.
  • This scheme can also facilitate network devices to apply different analog beamforming to different control signals for beam scanning, such as applying some analog beamforming to the first OFDM symbol, and directing the control signal to the first OFDM.
  • the end user transmitting on the symbol increases the beamforming gain of the control signal transmitted on the first OFDM symbol.
  • An analog beamforming different from the first OFDM symbol may be applied to the second OFDM symbol, the control signal is directed to the end user transmitting on the second OFDM symbol, and the control signal transmitted on the second OFDM symbol is added Beamforming gain.
  • control channel units size of one of the foregoing control channel units is described by using one OFDM symbol in the time domain and one PRB in the frequency domain as an example, and may also be two OFDM symbols in the time domain and one PRB in the frequency domain.
  • the embodiment of the invention does not limit the size of a control channel unit, as long as The frequency domain size and the time domain size are both a PRB and a multiple of one OFDM symbol.
  • terminals requiring similar beamforming directions they can be grouped, their control signals transmitted with the same or multiple OFDM symbols, and similar analog beamforming applied. For example, when terminal 1 and terminal 2 are under the same beam coverage, their control signals can be scheduled to be transmitted on the first OFDM symbol and transmitted using the same analog beamforming. Similarly, when terminal 3 and terminal 4 are under the same beam coverage, their control signals can be scheduled to be transmitted on the second OFDM symbol and transmitted using another analog beamforming.
  • FIG. 8 shows a schematic block diagram of a method 200 of transmitting signals in accordance with an embodiment of the present invention.
  • the method 200 can be performed by a terminal device, and specifically, can be performed by a user equipment.
  • the method 200 includes:
  • S210 Receive indication information that is sent by the network device, where the indication information is used to indicate a resource area used by the first terminal device to receive the downlink control signal.
  • the method for transmitting a signal provided by the embodiment of the present invention can improve the system performance by allowing the terminal device to detect the control signal in a fixed resource region, and can reduce the power consumption of the terminal device.
  • the resource region in the embodiment of the present invention may be continuous or non-contiguous in the frequency domain; continuous or non-contiguous in the time domain.
  • the indication information sent by the network device to the first terminal device may be an indication of a frequency domain resource, or may be a time domain resource.
  • the indication information includes a first bit table, each bit in the first bit table corresponding to each physical resource block in the system bandwidth, where the bit in the first bit table is The first value indicates that the corresponding physical resource block belongs to the resource area.
  • the indication information includes a starting frequency point and a second bit table, where the plurality of bits in the second bit table correspond to a plurality of physical resource blocks that are consecutive from the starting frequency point, the multiple bits Corresponding to the plurality of physical resource blocks, the bit in the second bit table is a first value indicating that the corresponding physical resource block belongs to the resource region.
  • the indication information may further include an ending frequency point for indicating a starting frequency of the starting position of the resource region in the system bandwidth and an ending position in the system bandwidth.
  • the indication information may further include a starting frequency point indicating a starting position of the resource area in the system bandwidth and a bandwidth length of the resource area.
  • the foregoing indication information for indicating a frequency domain parameter of the resource region may be adopted by Layer signaling, such as a Radio Resource Control (RRC) message, to notify the terminal device; the indication information may also be broadcast to the terminal device through a system message, such as a broadcast channel, and the terminal device may select the corresponding resource according to some specific associations.
  • RRC Radio Resource Control
  • a region for example, a resource region is associated with a certain frequency band. If the terminal device successfully accesses the frequency band, the resource device can use the resource region to receive its own downlink control signal. For example, a certain resource region is associated with a certain beam in a multi-beam cell. If the terminal successfully accesses the beam, the resource region can be used to receive its own downlink control signal.
  • the resource region includes at least one consecutive OFDM symbol starting from a first orthogonal frequency division multiplexing OFDM symbol in a first time slot or a first minislot, the indication information including the resource region The number of OFDM symbols belonging to the first time slot or the first minislot.
  • the terminal device can be semi-statically notified which OFDM symbols are used to transmit control signals, and the indication information can indicate the configuration of the resource region and the number of front-end OFDM symbols.
  • the indication information used to indicate the time domain parameter of the resource area may be notified to the terminal device by using high layer signaling, such as a Radio Resource Control (RRC) message, or may be indicated by a system message, such as a broadcast channel.
  • RRC Radio Resource Control
  • the information is broadcast to the terminal device; the indication information may also be sent to the terminal device by physical layer signaling, such as public signaling sent from at least one time slot or at least one minislot or dedicated signaling of the first terminal device.
  • the receiving, by the network device, the downlink control signal sent by the network device according to the indication information comprising: receiving, according to the indication information, the network device to send on the resource region.
  • decomposing the control channel into multiple control channel elements mapped on the resource area means that the control signal is divided into several pieces of mapping and transmitted at different resources in the resource area.
  • the terminal device acquires several small blocks that are divided into different resources in the resource area, and combines them to form a downlink control signal.
  • the receiving, by the network device, the downlink control signal sent by the network device, by using a beam corresponding to the resource region receiving, by using the network device, the network device The downlink control signal.
  • FIG. 9 illustrates a network device 300 that transmits signals in accordance with an embodiment of the present invention.
  • the network device 300 includes:
  • the first sending unit 310 is configured to send, to the first terminal device, indication information, where the indication information is used to indicate a resource area that is used by the first terminal device to receive the downlink control signal;
  • the second sending unit 320 is configured to send the downlink control signal to the first terminal device on the resource area.
  • the network device for transmitting signals provided by the embodiment of the present invention can improve the system performance by allowing the terminal device to detect the control signal in a fixed resource region, and can reduce the power consumption of the terminal device.
  • the resource region includes at least one physical resource block, where the resource region includes multiple physical resource blocks, where any two physical resource blocks of the multiple physical resource blocks are in the frequency domain. For continuous or discrete.
  • the indication information includes a first bit table, each bit in the first bit table corresponding to each physical resource block in a system bandwidth, the first bit table
  • the middle bit is a first value indicating that the corresponding physical resource block belongs to the resource area.
  • the indication information includes a starting frequency point and a second bit table, where the plurality of bits in the second bit table correspond to a continuous multiple from the starting frequency point.
  • the physical resource block, the plurality of bits are in one-to-one correspondence with the plurality of physical resource blocks, and the bit in the second bit table is a first value indicating that the corresponding physical resource block belongs to the resource region.
  • the indication information includes an initial frequency point for indicating a starting position of the resource region in a system bandwidth and an ending frequency point for an ending position in the system bandwidth.
  • the indication information includes a starting frequency point indicating a starting position of the resource area in the system bandwidth and a bandwidth length of the resource area.
  • the resource region includes at least one consecutive OFDM symbol starting from a first orthogonal frequency division multiplexing OFDM symbol in a first time slot or a first minislot, the indication The information includes the first time slot or the first mini time slot in the resource area The number of OFDM symbols.
  • the first sending unit 310 is specifically configured to: send the first terminal device to the first terminal device by using a system message or a high layer signaling. Instructing information; if the indication information indicates a time domain parameter of the resource area, the first sending unit 310 is specifically configured to: send the indication information to the first terminal device by using a system message, a high layer signaling, or a physical layer signaling. .
  • the high layer signaling includes a radio control resource RRC message, where the system message includes an SIB message and a physical broadcast channel PBCH message, where the physical layer signaling includes at least one time slot or at least one micro The common signaling sent in the time slot or the dedicated signaling of the first terminal device.
  • RRC message radio control resource
  • the system message includes an SIB message and a physical broadcast channel PBCH message
  • the physical layer signaling includes at least one time slot or at least one micro The common signaling sent in the time slot or the dedicated signaling of the first terminal device.
  • the second sending unit 320 is specifically configured to: use the beam corresponding to the resource area, and send the downlink control signal to the first terminal device on the resource area.
  • the network device 300 further includes:
  • the decomposing unit 330 is configured to decompose each control channel of the at least one control channel for carrying the downlink control signal into at least one control channel unit, and transmit the mapping to the resource region, where the multiple control channels and the multiple terminal devices are One-to-one correspondence, the plurality of terminal devices include the first terminal device.
  • different control channel units in the at least one control channel are mapped to different physical resource blocks and/or different OFDM symbols in the resource region, and/or the at least one At least one control channel element of the first control channel in the control channel is mapped onto all OFDM symbols within the same physical resource block in the resource region, and/or different control channel elements in the at least one control channel are mapped to At least part of the physical resource blocks in the same OFDM symbol in the resource region.
  • the network device 300 further includes:
  • a determining unit 340 configured to determine, according to a beam used by the first terminal device, the resource region corresponding to the beam; or determine, according to the neighboring cell of the first terminal device, the resource region corresponding to the neighboring cell; or Determining the resource area according to the location of the first terminal device in the cell and the mobility characteristic of the first terminal device; or determining the resource region according to the load of the network device.
  • the network device 300 for transmitting signals may correspond to the network device in the method embodiment of the present invention, and the above and other operations of the respective units in the network device 300
  • the functions and/or functions are respectively implemented in order to implement the corresponding processes of the methods in FIG. 2 to FIG. 7.
  • no further details are provided herein.
  • FIG. 10 shows a terminal device 400 that transmits signals in accordance with an embodiment of the present invention.
  • the terminal device 400 includes:
  • the first receiving unit 410 is configured to receive indication information that is sent by the network device, where the indication information is used to indicate a resource area used by the first terminal device to receive the downlink control signal;
  • the second receiving unit 420 is configured to receive, according to the indication information, the downlink control signal sent by the network device on the resource area.
  • the terminal device for transmitting a signal provided by the embodiment of the present invention can improve the system performance by allowing the terminal device to detect the control signal in a fixed resource region, and can reduce the power consumption of the terminal device.
  • the resource region includes at least one physical resource block, where the resource region includes multiple physical resource blocks, where any two physical resource blocks of the multiple physical resource blocks are in the frequency domain. For continuous or discrete.
  • the indication information includes a first bit table, each bit in the first bit table corresponding to each physical resource block in a system bandwidth, the first bit table
  • the middle bit is a first value indicating that the corresponding physical resource block belongs to the resource area.
  • the indication information includes a starting frequency point and a second bit table, where the plurality of bits in the second bit table correspond to a continuous multiple from the starting frequency point.
  • the physical resource block, the plurality of bits are in one-to-one correspondence with the plurality of physical resource blocks, and the bit in the second bit table is a first value indicating that the corresponding physical resource block belongs to the resource region.
  • the indication information includes an initial frequency point for indicating a starting position of the resource region in the system bandwidth and an ending frequency point for ending the location in the system bandwidth.
  • the indication information includes a starting frequency point indicating a starting position of the resource area in the system bandwidth and a bandwidth length of the resource area.
  • the resource region includes at least one consecutive OFDM symbol starting from a first orthogonal frequency division multiplexing OFDM symbol in a first time slot or a first minislot, the indication The information includes the number of OFDM symbols belonging to the first time slot or the first minislot in the resource region.
  • the first receiving unit 410 is specifically configured to: receive the first terminal by using a system message or a high layer signaling.
  • the high layer signaling includes a radio control resource RRC message, where the system message includes an SIB message and a physical broadcast channel PBCH message, where the physical layer signaling includes at least one time slot or at least one micro The common signaling sent in the time slot or the dedicated signaling of the first terminal device.
  • RRC message radio control resource
  • the system message includes an SIB message and a physical broadcast channel PBCH message
  • the physical layer signaling includes at least one time slot or at least one micro The common signaling sent in the time slot or the dedicated signaling of the first terminal device.
  • the second receiving unit 420 is configured to: receive, according to the indication information, at least the downlink control channel corresponding to the downlink control channel of the first terminal device that is sent by the network device on the resource region. a control channel unit; generating the downlink control signal in combination according to the at least one control channel unit.
  • the second receiving unit 420 is specifically configured to: receive the downlink control signal sent by the network device by using a beam corresponding to the resource region.
  • terminal device 400 for transmitting signals may correspond to the terminal device in the method embodiment of the present invention, and the above and other operations and/or functions of the respective units in the terminal device 400 are respectively implemented in order to implement FIG.
  • the corresponding process of the method in the following is not repeated here for the sake of brevity.
  • an embodiment of the present invention further provides a network device 500 for transmitting a signal
  • the network device 500 includes a processor 510, a memory 520, a bus system 530, and a transceiver 540, where the processor 510, The memory 520 and the transceiver 540 are coupled by the bus system 530 for storing instructions for executing instructions stored in the memory 520 to control the transceiver 540 to transmit signals; wherein the processing The device 510 is configured to: send, to the first terminal device, indication information, where the indication information is used to indicate a resource area that is used by the first terminal device to receive a downlink control signal, and to the first terminal device on the resource area Sending the downlink control signal.
  • the network device for transmitting signals provided by the embodiment of the present invention can improve the system performance by allowing the terminal device to detect the control signal in a fixed resource region, and can reduce the power consumption of the terminal device.
  • the processor 510 may be a central processing unit (“CPU"), and the processor 510 may also be other general-purpose processors.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 520 can include read only memory and random access memory and provides instructions and data to the processor 510. A portion of the memory 520 may also include a non-volatile random access memory. For example, the memory 520 can also store information of the device type.
  • the bus system 530 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 530 in the figure.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 510 or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 520, and the processor 510 reads the information in the memory 520 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the network device 500 for transmitting signals may correspond to the network device and the network device 300 in the embodiment of the present invention, and may correspond to the network device in the method according to the embodiment of the present invention, and the network
  • the above and other operations and/or functions of the respective units in the device 500 are respectively omitted in order to implement the corresponding processes of the methods in FIG. 2 to FIG. 7 for brevity.
  • an embodiment of the present invention further provides a terminal device 600 for transmitting a signal
  • the terminal device 600 includes a processor 610, a memory 620, a bus system 630, and a transceiver 640, where the processor 610, The memory 620 and the transceiver 640 are coupled by the bus system 630 for storing instructions for executing instructions stored by the memory 620 to control the transceiver 640 to transmit signals; wherein the processing The device 610 is configured to: receive indication information that is sent by the network device, where the indication information is used to indicate a resource area that is used by the first terminal device to receive the downlink control signal, and receive the network on the resource area according to the indication information.
  • the downlink control signal sent by the device.
  • the terminal device for transmitting a signal can improve the system performance by allowing the terminal device to detect the control signal in a fixed resource region, and can reduce the capability of the terminal device. Consumption.
  • the processor 610 may be a central processing unit ("CPU"), and the processor 610 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 620 can include read only memory and random access memory and provides instructions and data to the processor 610. A portion of the memory 620 can also include a non-volatile random access memory. For example, the memory 620 can also store information of the device type.
  • the bus system 630 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 630 in the figure.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 610 or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 620, and the processor 610 reads the information in the memory 620 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the terminal device 600 for transmitting signals may correspond to the terminal device and the terminal device 400 in the embodiment of the present invention, and may correspond to the terminal device in the method according to the embodiment of the present invention, and the terminal
  • the foregoing and other operations and/or functions of the various units in the device 600 are respectively implemented in order to implement the corresponding processes of the method in FIG. 8.
  • no further details are provided herein.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, can be stored in a computer readable storage medium.
  • the technical solution of the present application may be in essence or part of the contribution to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the method of various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本发明实施例公开了一种传输信号的方法、网络设备和终端设备，该方法包括：向第一终端设备发送指示信息，该指示信息用于指示该第一终端设备用于接收下行控制信号的资源区域；在该资源区域上向该第一终端设备发送该下行控制信号。本发明实施例的方法、网络设备和终端设备，能够提高系统性能，并且能降低终端设备的能耗。

Description

传输信号的方法、终端设备和网络设备 技术领域
本发明实施例涉及通信领域，尤其涉及传输信号的方法、终端设备和网络设备。
背景技术
在长期演进(Long Term Evolution，LTE)中，物理下行控制信道(Physical Downlink Control Channel，PDCCH)控制区域是每个子帧的头几个正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM),跨越整个系统带宽(小于或等于20MHz).由于未来通信系统的系统带宽要比LTE系统宽很多,让终端去监控整个频段来检测控制信号是不经济的,会耗费许多终端的能耗。
发明内容
有鉴于此，本发明实施例提供了一种传输信号的方法和设备，能够提高系统性能，并且能降低终端设备的能耗。
第一方面，提供了一种传输信号的方法，该方法包括：向第一终端设备发送指示信息，该指示信息用于指示该第一终端设备用于接收下行控制信号的资源区域；在该资源区域上向该第一终端设备发送该下行控制信号。
通过让终端设备在固定的资源区域内去检测控制信号，能够提高系统性能，并且能降低终端设备的能耗。
可选地，网络设备可以为每一个终端设备分配一个资源区域，该资源区域可以用于传输相应终端设备的专用下行控制信号，网络设备也可以为多个终端设备分配一个资源区域，该资源用于传输该多个终端设备各自相应的专用下行控制信号；网络设备也可以为多个终端设备分配一个资源区域，用于传输该多个终端设备的公共控制信号；网络设备也可以不为传输公共控制信号专门分配一个资源区域，可以在每个终端设备分配的用于传输专用下行控制信号的资源区域上都发送公共下行控制信号，以保证每个终端设备都可以检测到。
在一种可能的实现方式中，该资源区域包括至少一个物理资源块，在资 源区域包括多个物理资源块时，该多个物理资源块中的任意两个物理资源块在频域上为连续的或离散的。
在一种可能的实现方式中，该指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
在一种可能的实现方式中，该指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
在一种可能的实现方式中，该指示信息包括用于指示该资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。
在一种可能的实现方式中，该指示信息包括用于指示该资源区域在系统带宽中的起始位置的起始频点和该资源区域的带宽长度。
可选地，上述几种资源区域的指示方式也可以组合。
在一种可能的实现方式中，若指示信息指示的是资源区域的频域参数时，通过系统消息或高层信令向该第一终端设备发送该指示信息。若指示信息指示的是资源区域的时域参数时，通过系统消息、高层信令或物理层信令向该第一终端设备发送该指示信息。
在一种可能的实现方式中，该资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，该指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。
在一种可能的实现方式中，该高层信令包括无线控制资源RRC消息，该系统消息包括SIB消息和物理广播信道PBCH消息，该物理层信令包括从至少一个时隙或至少一个微时隙中发送的公共信令或该第一终端设备的专用信令。
在一种可能的实现方式中，该在该资源区域上向该第一终端设备发送下行控制信号，还包括：采用与该资源区域对应的波束，在该资源区域上向该第一终端设备发送该下行控制信号。
可选地，网络设备对某个OFDM符号上的下行控制信号可以使用特定的波束赋形发送。
在一种可能的实现方式中，该方法还包括：将用于承载下行控制信号的至少一个控制信道中的每个控制信道分解成至少一个控制信道单元，映射到该资源区域上发送，该多个控制信道与多个终端设备一一对应，该多个终端设备包括该第一终端设备。
在一种可能的实现方式中，该至少一个控制信道中的不同控制信道单元映射到该资源区域中的不同物理资源块和/或不同OFDM符号上，和/或该至少一个控制信道中的第一控制信道的至少一个控制信道单元映射到该资源区域中同一个物理资源块内的所有OFDM符号上，和/或该至少一个控制信道中的不同控制信道单元映射到该资源区域中同一个OFDM符号内的至少部分物理资源块上。
在一种可能的实现方式中，该方法还包括：根据该第一终端设备所采用的波束，确定与该波束对应的该资源区域；或根据该第一终端设备的邻小区，确定与该邻小区对应的该资源区域；或根据该第一终端设备在小区的位置以及该第一终端设备的移动特性，确定该资源区域；或根据网络设备的负载，确定该资源区域。
第二方面，提供了一种传输信号的方法，该方法包括：接收网络设备发送的指示信息，该指示信息用于指示第一终端设备用于接收下行控制信号的资源区域；根据该指示信息，在该资源区域上接收该网络设备发送的该下行控制信号。
通过让终端设备在固定的资源区域内去检测控制信号，能够提高系统性能，并且能降低终端设备的能耗。
在一种可能的实现方式中，该资源区域包括至少一个物理资源块，在资源区域包括多个物理资源块时，该多个物理资源块中的任意两个物理资源块在频域上为连续的或离散的。
在一种可能的实现方式中，该指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
在一种可能的实现方式中，该指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
在一种可能的实现方式中，该指示信息包括用于指示该资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。
在一种可能的实现方式中，该指示信息包括用于指示该资源区域在系统带宽中的起始位置的起始频点和该资源区域的带宽长度。
在一种可能的实现方式中，该资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，该指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。
在一种可能的实现方式中，在一种可能的实现方式中，若指示信息指示的是资源区域的频域参数时，通过系统消息或高层信令向该第一终端设备发送该指示信息。若指示信息指示的是资源区域的时域参数时，通过系统消息、高层信令或物理层信令向该第一终端设备发送该指示信息。
在一种可能的实现方式中，该高层信令包括无线控制资源RRC消息，该系统消息包括SIB消息和物理广播信道PBCH消息，该物理层信令包括从至少一个时隙或至少一个微时隙中发送的公共信令或该第一终端设备的专用信令。
在一种可能的实现方式中，该根据该指示信息，在该资源区域上接收该网络设备发送的该下行控制信号，包括：根据该指示信息，在该资源区域上接收该网络设备发送的与该第一终端设备的下行控制信道对应的至少一个控制信道单元；根据该至少一个控制信道单元，组合产生该下行控制信号。
在一种可能的实现方式中，该在该资源区域上接收该网络设备发送的该下行控制信号，包括：采用与该资源区域对应的波束，在该资源区域上接收该网络设备发送的该下行控制信号。
第三方面，提供了一种网络设备，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地，该网络设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第四方面，提供了一种终端设备，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地，该终端设备包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的单元。
第五方面，提供了一种网络设备，该网络设备包括：存储器、处理器、收发器、通信接口和总线系统。其中，存储器、处理器和收发器通过总线系 统相连，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，当该指令被执行时，该处理器执行第一方面的方法，并控制收发器接收输入的数据和信息，输出操作结果等数据。
第六方面，提供了一种终端设备，该终端设备包括：存储器、处理器、收发器、通信接口和总线系统。其中，存储器、处理器和收发器通过总线系统相连，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，当该指令被执行时，该处理器执行第二方面的方法，并控制收发器接收输入的数据和信息，输出操作结果等数据。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本发明实施例的一种可能的应用场景的示意图。
图2示出了本发明实施例为终端设备分配资源区域的一种示意性框图。
图3示出了本发明实施例的传输信号的方法的示意性框图。
图4示出了本发明实施例的指示资源区域的频域参数的一种示意图。
图5示出了本发明实施例的多个终端设备的控制信道单元在资源区域的一种映射图。
图6示出本发明实施例的多个终端设备的控制信道单元在资源区域的另一种映射图。
图7示出本发明实施例的多个终端设备的控制信道单元在资源区域的再一种映射图。
图8示出了本发明实施例的传输信号的方法的另一示意性框图。
图9示出了本发明实施例的传输信号的网络设备的示意性框图。
图10示出了本发明实施例的传输信号的终端设备的示意性框图。
图11示出了本发明实施例的传输信号的网络设备的另一示意性框图。
图12示出了本发明实施例的传输信号的终端设备的另一示意性框图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。
应理解，本发明实施例的技术方案可以应用于各种通信系统，例如：全 球移动通讯(Global System of Mobile communication，简称为“GSM”)系统、码分多址(Code Division Multiple Access，简称为“CDMA”)系统、宽带码分多址(Wideband Code Division Multiple Access，简称为“WCDMA”)系统、通用分组无线业务(General Packet Radio Service，简称为“GPRS”)、长期演进(Long Term Evolution，简称为“LTE”)系统、LTE频分双工(Frequency Division Duplex，简称为“FDD”)系统、LTE时分双工(Time Division Duplex，简称为“TDD”)、通用移动通信系统(Universal Mobile Telecommunication System，简称为“UMTS”)、全球互联微波接入(Worldwide Interoperability for Microwave Access，简称为“WiMAX”)通信系统或未来的5G系统等。
特别地，本发明实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统，例如稀疏码多址接入(Sparse Code Multiple Access，简称为“SCMA”)系统、低密度签名(Low Density Signature，简称为“LDS”)系统等，当然SCMA系统和LDS系统在通信领域也可以被称为其他名称；进一步地，本发明实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统，例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing，简称为“OFDM”)、滤波器组多载波(Filter Bank Multi-Carrier，简称为“FBMC”)、通用频分复用(Generalized Frequency Division Multiplexing，简称为“GFDM”)、滤波正交频分复用(Filtered-OFDM，简称为“F-OFDM”)系统等。
本发明实施例中的终端设备可以指用户设备(User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本发明实施例并不限定。
本发明实施例中的网络设备可以是用于与终端设备通信的设备，该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演 进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本发明实施例并不限定。
图1是本发明实施例一个应用场景的示意图。图1中的通信系统可以包括终端设备10和网络设备20。网络设备20用于为终端设备10提供通信服务并接入核心网，终端设备10通过搜索网络设备20发送的同步信号、广播信号等而接入网络，从而进行与网络的通信。图1中所示出的箭头可以表示通过终端设备10与网络设备20之间的蜂窝链路进行的上/下行传输。
LTE的PDCCH在每一个子帧开始几个OFDM符号上发送，并使用了小区公共导频信号来进行解调。在以后的演进版中，LTE又引进了增强物理下行控制信道(Enhanced Physical Downlink Control Channel，E-PDCCH)信号。不像PDCCH,E-PDCCH信号在通常传送数据的整个PRB里传送，并使用DMRS导频信号来解调。这样做的好处是不依赖公共导频信号，同时还可以享受一些其他传输方式带来的好处，如波束赋形，多天线(Multiple Input Multiple Output，MIMO)等。
在5G等未来通信系统的系统设计上，引进了多天线阵列，波束赋形等设计，比如把原来的一个小区用多个波束来覆盖，波束增益可以在一定程度上弥补使用高频段所带来的覆盖减小，同时还可以减低相互间的干扰，增强系统性能。数据信道将会使用波束赋形传输。对于控制信道，可以有几种方案，一种是控制信道传输仍然覆盖整个小区，还有一种是控制信道也仅由一个或几个波束来发送。5G还有一些其它的特点，比如支持很宽的系统带宽(高频段)，以及支持不同的应用如对延时要求很高的高可靠低延时应用URLLC。这些特点要求它的控制信道设计应该有别于LTE系统。
图2示出了本发明实施例的传输信号的方法100的示意性框图。如图2所示，该方法100可以由网络设备执行，具体地，可以由基站执行，该方法100包括：
S110，向第一终端设备发送指示信息，所述指示信息用于指示所述第一终端设备用于接收下行控制信号的资源区域；
S120，在所述资源区域上向所述第一终端设备发送所述下行控制信号。
具体地，网络设备可以在整个系统带宽中选择一些资源作为传输下行控制信号的资源区域，可以通过系统消息等向终端设备发送指示信息，告知终端设备在为其分配的资源区域上去获取下行控制信号。例如，网络设备可以为每一个终端设备分配一个资源区域，该资源区域可以用于传输相应终端设备的专用下行控制信号；网络设备也可以为多个终端设备分配一个资源区域，用于传输该多个终端设备的公共控制信号；网络设备也可以不为传输公共控制信号专门分配一个资源区域，可以在每个终端设备分配的用于传输专用下行控制信号的资源区域上都发送公共下行控制信号，以保证每个终端设备都可以检测到。
应理解，方法100中的资源区域可以为第一终端设备分配的专门用于传输第一终端设备的下行控制信号的，也可以是为多个终端设备分配的用于传输该多个终端设备的专用下行控制信号。
可选地，如果使用波束赋形来传输控制信号,网络设备可以给不同的波束分配不同的资源区域。对于公共控制信号，则可以单独分配一个资源区域,使用较宽的波束赋形或几个窄带波束赋形共同传输。也可以不向公共控制信道分配一个单独的资源区域，而是在不同的资源区域上重复传输公共控制信道；网络设备可以给不同的邻小区分配不同的资源区域；网络设备可以根据不同终端的特性来分配不同的资源区域,比如把一些不连续的物理资源块(physical resource block，PRB)分配给一些小区边缘的终端或者一些移动较快的终端，因为这类终端数目相对来说较少，这些资源区域的尺寸也许可以小一些.把一些连续的PRB分配给一些小区中央的终端或者一些移动较慢或静止的终端；网络设备可以根据不同的网络的负载来分配不同的资源区域,比如把一些负载较大(调度延时大,控制资源或数据资源使用率高)对应的资源区域上的终端调配到负载较轻(调度延时小,控制资源或数据资源使用率低)对应的资源区域上；网络设备可以根据不同时间和网络的负载来分配不同的资源区域,比如在平时白天和晚间用户多的情况下,启用分配更多的资源区域上,而在深夜和周末用户少的情况下,使用较少的资源区域。
下面结合图3对本发明实施例的为终端设备分配资源区域的具体方案进行描述。如图3所示，每个小组可以用来对应至少一个波束的控制信道的传输。例如，资源区域1与波束1对应，资源区域2与波束2对应，资源区域3与波束1和波束2对应。进一步的，网络设备可以在资源区域1上，采用 波束1来向终端设备1发送控制信道，假设终端设备1为该波束1覆盖下的终端设备。网络设备可以在资源区域2上，采用波束2来向终端设备2发送控制信道，假设终端设备2为波束2覆盖下的终端设备。网络设备还可以在资源区域3，采用波束1和波束2来向终端设备3发送控制信道，该终端设备3为波束1和波束2交界处的终端设备。
应理解，上述仅仅只是以图3为例进行示意性描述，该分配还可以采用邻小区等其他方式，为了简洁，在此不一一赘述。
还应理解，本发明实施例中的资源区域在频域上可以连续，也可以非连续；在时域上可以连续，也可以非连续。网络设备向第一终端设备发送的指示信息可以是指示频域资源，也可以是指示时域资源。
在频域上，例如，该指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。该指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。该指示信息还可以包括用于指示该资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。该指示信息还可以包括用于指示该资源区域在系统带宽中的起始位置的起始频点和该资源区域的带宽长度。图4示出了使用起始频点和比特码表来指示第一终端设备的资源区域。图中，一个比特位对应一个物理资源块PRB，取“1”值表示该物理资源块属于该第一终端设备的资源区域，取“0”值表示该物理资源块不属于该第一终端设备的资源区域。该比特码表还可以配置成取“0”值表示该物理资源块属于该第一终端设备的资源区域，取“1”值表示该物理资源块不属于该第一终端设备的资源区域。从图4中可以看出，该比特码表为12位，该第一终端设备的资源区域包括3个PRB。
进一步地，上述在用于指示资源区域的频域参数的指示信息可以通过高层信令，如无线资源控制(Radio Resource Control，RRC)消息来通知终端设备；也可以通过系统消息如广播信道将指示信息广播给终端设备，终端设备可以根据一些特定的关联来选择相应的资源区域，比如，某个资源区域是和某个频段相关联的，终端设备如果成功接入该频段，就可以使用该资源区域去 接收自己的下行控制信号。又比如某个资源区域是和多波束小区内的某个波束相关联的，如果终端成功接入这个波束,就可以使用该资源区域去接收自己的下行控制信号。
在时域上，该资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，该指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。例如，可以半静态的通知终端设备哪几个OFDM符号是用来传输控制信号的，该指示信息可以指示资源区域的配置和前端OFDM符号数目。具体地，可以使用一个动态的公共控制信号来通知，这个公共控制信号可以在每个时隙(slot)或微时隙(mini-slot)的头一个OFDM符号上发送。通知终端在对应资源区域里用于传输控制信号的头几个OFDM符号的数目。比如说如果最多使用头三个OFDM符号来传输控制信号,那么这个动态信号可以使用2比特来传输：00表示0个OFDM符号、01标识1个OFDM符号、10表示2个OFDM符号、11表示3个OFDM符号。
这个配置也可以先采用半静态信号来通知,然后可以用动态信号来修改。比如半静态信号支持使用2个OFMD符号来传输控制信号，如果终端检测到动态信号指示是3个OFDM符号,那么在当前子帧就会有3个OFDM符号用来传输控制信号,如果终端没有检测到这个动态信号，就假设2个OFDM符号传送控制信号。也可以不使用公共信号指示时域上的控制信道区域,而靠终端对每个时隙(slot)或微时隙(mini-slot)的头几个OFDM符号进行盲检。对于包含两级传输的控制信号,可以从第一级的控制信号中检测出第二级控制信号所处的OFDM符号。
进一步地，上述在用于指示资源区域的时域参数的指示信息可以通过高层信令，如无线资源控制(Radio Resource Control，RRC)消息来通知终端设备；也可以通过系统消息如广播信道将指示信息广播给终端设备；还可以通过物理层信令如从至少一个时隙或至少一个微时隙中发送的公共信令或所述第一终端设备的专用信令将指示信息发送给终端设备。
如果是一个多波束系统,那么各个波束内里的资源区域(频域PRB和时域OFDM符号数)可以单独地配置.相同的资源区域可以在不同波束中重复或部分重复使用。如果使用公共信号来指示传送控制信号的OFDM符号数,每个波束可以使用各自传送数据的波束赋形来传送各自的公共信号,指示各自 波束中控制信号所应使用的OFDM符号数。不同波束中的公共信号所指示的用来传送控制信号的OFDM的数目可以是不同的。各个波束内里的资源区域也可半静态地配置,网络设备可以通过广播信道或高层信令将各个波束所对应的资源区域通知终端用户。
对于某些对延时要求较高的应用，如低时延高可靠连接(Ultra-Reliable and Low Latency Communications，URLLC)等,可以限定只使用slot或mini-slot的第一个OFDM符号来传送控制信号。在这种情况下,就不需要公共信号来指示控制信号所需OFDM符号数。当然如果这种应用和其他应用是动态复用的,终端无法预期当前slot或mini-slot将被用于何种应用。终端也许仍将通过公共信道来获取控制信号所应使用的OFDM符号数。
可选地，在本发明实施例中，该方法还包括：将用于承载下行控制信号的至少一个控制信道中的每个控制信道分解成至少一个控制信道单元，映射到该资源区域上发送，该多个控制信道与多个终端设备一一对应，该多个终端设备包括该第一终端设备。
本领域技术人员理解，将控制信道分解为多个控制信道单元映射在资源区域上是指将控制信号分成几块映射在资源区域中的不同资源处进行传输。
进一步地，该至少一个控制信道中的不同控制信道单元映射到该资源区域中的不同物理资源块和/或不同OFDM符号上，和/或该至少一个控制信道中的第一控制信道的至少一个控制信道单元映射到该资源区域中同一个物理资源块内的所有OFDM符号上，和/或该至少一个控制信道中的不同控制信道单元映射到该资源区域中同一个OFDM符号内的至少部分物理资源块上。
下面将结合图5至图7详细描述几个终端设备的控制信道复用一个资源区域的方案。
如图5所示，该资源区域包括4个PRB，并且其中两个PRB是连续的，与其他两个PRB不连续，终端1的控制信道被分解为4个控制信道单元，并且分别映射到4个PRB中的不同OFDM符号上，终端2的控制信道被分解为2个控制信道单元，并且被映射到2个PRB中的不同OFDM符号上，终端3的控制信道被分解为3个控制信道单元，并且被映射到3个PRB中的不同OFDM符号上。
将多个终端设备的控制信道分解成多个控制信道单元，这些单元交织映 射在一个资源区域内，以便获得更大的频域和时域分集增益。
如图6所示，该资源区域包括4个PRB，并且其中两个PRB是连续的，与其他两个PRB不连续，终端1的控制信道被分解为6个控制信道单元，并且分别映射到第一个PRB的3个OFDM符号和第3个PRB的3个OFDM符号上，终端2的控制信道被分解为3个控制信道单元，并且被映射到第2个PRB中的3个OFDM符号上，终端3的控制信道被分解为3个控制信道单元，并且被映射到第4个PRB中的3个OFDM符号上。
将多个终端设备的控制信道分解成多个控制信道单元，这些控制信道单元可以从一个或多个PRB传输，每个PRB(PRB或PRB子集)上只传输一个终端的控制信号。这个复用方案可以更好的利用频域分集增益，同时也减低了终端检测的复杂度。
如图7所示，该资源区域包括4个PRB，并且其中两个PRB是连续的，与其他两个PRB不连续，终端1的控制信道被分解为4个控制信道单元，并且分别映射到该资源区域被所有PRB的第1个OFDM符号，终端2的控制信道被分解为4个控制信道单元，并且分别映射到该资源区域被所有PRB的第2个OFDM符号，终端3的控制信道被分解为4个控制信道单元，并且分别映射到该资源区域被所有PRB的第3个OFDM符号。
多个终端的控制信道从不同的OFDM符号上传输。比如对延时要求高的服务，相应的控制信号可以放在第一个OFDM符号传输，对延时要求不高的服务，相应的控制信号可以放在第二或第三个OFDM符号传输。如果有多个终端需要接受对延时要求高的服务，他们的控制信号也可以都从第一个OFDM符号上传输。这个方案还可以便于网络设备对不同的控制信号施加不同的模拟波束赋形，用在波束扫描上,比如对第一个OFDM符号施加某种模拟波束赋形，将控制信号指向在第一个OFDM符号上传输的终端用户，增加在第一个OFDM符号上传输的控制信号的波束赋形增益。对第二个OFDM符号可以施加和第一个OFDM符号不同的模拟波束赋形，将控制信号指向在第二个OFDM符号上传输的终端用户，增加在第二个OFDM符号上传输的控制信号的波束赋形增益。
应理解，上述的一个控制信道单元的尺寸是以时域上是一个OFDM符号，频域上一个PRB为例进行描述，还可以在时域上是两个OFDM符号，频域上一个PRB，本发明实施例对一个控制信道单元的尺寸不作限定，只要 是频域尺寸与时域尺寸分别为一个PRB和一个OFDM符号的倍数都行。
如果有多个终端所需的波束赋形方向相近，可以把它们分组，用同一个或多个OFDM符号来传输它们的控制信号，并施加相类似的模拟波束赋形。例如，当终端1和终端2处于同一个波束覆盖下时,它们的控制信号可以安排在第一个OFDM符号上传输，并使用同一个模拟波束赋形传输。类似的是，当终端3和终端4处于同一个波束覆盖下时,它们的控制信号可以安排在第二个OFDM符号上传输，并使用另一个模拟波束赋形传输。
图8示出了本发明实施例的传输信号的方法200的示意性框图。如图8所示，该方法200可以由终端设备执行，具体地，可以由用户设备执行，该方法200包括：
S210，接收网络设备发送的指示信息，该指示信息用于指示第一终端设备用于接收下行控制信号的资源区域；
S220，根据该指示信息，在该资源区域上接收该网络设备发送的该下行控制信号。
因此，本发明实施例提供的传输信号的方法，通过让终端设备在固定的资源区域内去检测控制信号，能够提高系统性能，并且能降低终端设备的能耗。
应理解，本发明实施例中的资源区域在频域上可以连续，也可以非连续；在时域上可以连续，也可以非连续。网络设备向第一终端设备发送的指示信息可以是指示频域资源，也可以是指示时域资源。
在频域上，例如，该指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。该指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。该指示信息还可以包括用于指示该资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。该指示信息还可以包括用于指示该资源区域在系统带宽中的起始位置的起始频点和该资源区域的带宽长度。
进一步地，上述在用于指示资源区域的频域参数的指示信息可以通过高 层信令，如无线资源控制(Radio Resource Control，RRC)消息来通知终端设备；也可以通过系统消息如广播信道将指示信息广播给终端设备，终端设备可以根据一些特定的关联来选择相应的资源区域，比如，某个资源区域是和某个频段相关联的，终端设备如果成功接入该频段，就可以使用该资源区域去接收自己的下行控制信号。又比如某个资源区域是和多波束小区内的某个波束相关联的，如果终端成功接入这个波束,就可以使用该资源区域去接收自己的下行控制信号。
在时域上，该资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，该指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。例如，可以半静态的通知终端设备哪几个OFDM符号是用来传输控制信号的，该指示信息可以指示资源区域的配置和前端OFDM符号数目。
进一步地，上述在用于指示资源区域的时域参数的指示信息可以通过高层信令，如无线资源控制(Radio Resource Control，RRC)消息来通知终端设备；也可以通过系统消息如广播信道将指示信息广播给终端设备；还可以通过物理层信令如从至少一个时隙或至少一个微时隙中发送的公共信令或所述第一终端设备的专用信令将指示信息发送给终端设备。
可选地，在本发明实施例中，该根据该指示信息，在该资源区域上接收该网络设备发送的该下行控制信号，包括：根据该指示信息，在该资源区域上接收该网络设备发送的与该第一终端设备的下行控制信道对应的至少一个控制信道单元；根据该至少一个控制信道单元，组合产生该下行控制信号。
本领域技术人员理解，将控制信道分解为多个控制信道单元映射在资源区域上是指将控制信号分成几块映射在资源区域中的不同资源处进行传输。对应的，终端设备在该资源区域中的不同资源处获取到被分成的几个小块，并将其组合，构成下行控制信号。
可选地，在本发明实施例中，该在该资源区域上接收该网络设备发送的该下行控制信号，包括：采用与该资源区域对应的波束，在该资源区域上接收该网络设备发送的该下行控制信号。
应理解，终端设备侧描述的终端设备与网络设备的交互及相关特性、功能等与网络设备侧的相关特性、功能相应，为了简洁，在此不再赘述。
还应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意 味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。
上文中详细描述了根据本发明实施例的传输信号的方法，下面将结合图9至图12，描述根据本发明实施例的传输信号的装置，方法实施例所描述的技术特征适用于以下装置实施例。
图9示出了根据本发明实施例的传输信号的网络设备300。如图9所示，该网络设备300包括：
第一发送单元310，用于向第一终端设备发送指示信息，该指示信息用于指示该第一终端设备用于接收下行控制信号的资源区域；
第二发送单元320，用于在该资源区域上向该第一终端设备发送该下行控制信号。
因此，本发明实施例提供的传输信号的网络设备，通过让终端设备在固定的资源区域内去检测控制信号，能够提高系统性能，并且能降低终端设备的能耗。
可选地，在本发明实施例中，该资源区域包括至少一个物理资源块，在资源区域包括多个物理资源块时，该多个物理资源块中的任意两个物理资源块在频域上为连续的或离散的。
可选地，在本发明实施例中，该指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
可选地，在本发明实施例中，该指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
可选地，在本发明实施例中，该指示信息包括用于指示该资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。
可选地，在本发明实施例中，该指示信息包括用于指示该资源区域在系统带宽中的起始位置的起始频点和该资源区域的带宽长度。
可选地，在本发明实施例中，该资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，该指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的 OFDM符号的数目。
可选地，在本发明实施例中，若指示信息指示的是资源区域的频域参数时，该第一发送单元310具体用于：通过系统消息或高层信令向该第一终端设备发送该指示信息；若指示信息指示的是资源区域的时域参数时，该第一发送单元310具体用于：或通过系统消息、高层信令或物理层信令向该第一终端设备发送该指示信息。
可选地，在本发明实施例中，该高层信令包括无线控制资源RRC消息，该系统消息包括SIB消息和物理广播信道PBCH消息，该物理层信令包括从至少一个时隙或至少一个微时隙中发送的公共信令或该第一终端设备的专用信令。
可选地，在本发明实施例中，该第二发送单元320具体用于：采用与该资源区域对应的波束，在该资源区域上向该第一终端设备发送该下行控制信号。
可选地，在本发明实施例中，该网络设备300还包括：
分解单元330，用于将用于承载下行控制信号的至少一个控制信道中的每个控制信道分解成至少一个控制信道单元，映射到该资源区域上发送，该多个控制信道与多个终端设备一一对应，该多个终端设备包括该第一终端设备。
可选地，在本发明实施例中，所述至少一个控制信道中的不同控制信道单元映射到所述资源区域中的不同物理资源块和/或不同OFDM符号上，和/或所述至少一个控制信道中的第一控制信道的至少一个控制信道单元映射到所述资源区域中同一个物理资源块内的所有OFDM符号上，和/或所述至少一个控制信道中的不同控制信道单元映射到所述资源区域中同一个OFDM符号内的至少部分物理资源块上。
可选地，在本发明实施例中，该网络设备300还包括：
确定单元340，用于根据该第一终端设备所采用的波束，确定与该波束对应的该资源区域；或根据该第一终端设备的邻小区，确定与该邻小区对应的该资源区域；或根据该第一终端设备在小区的位置以及该第一终端设备的移动特性，确定该资源区域；或根据网络设备的负载，确定该资源区域。
应理解，根据本发明实施例的传输信号的网络设备300可对应于本发明方法实施例中的网络设备，并且网络设备300中的各个单元的上述和其它操 作和/或功能分别为了实现图2至图7中的方法的相应流程，为了简洁，在此不再赘述。
图10示出了根据本发明实施例的传输信号的终端设备400。如图10所示，该终端设备400包括：
第一接收单元410，用于接收网络设备发送的指示信息，该指示信息用于指示第一终端设备用于接收下行控制信号的资源区域；
第二接收单元420，用于根据该指示信息，在该资源区域上接收该网络设备发送的该下行控制信号。
因此，本发明实施例提供的传输信号的终端设备，通过让终端设备在固定的资源区域内去检测控制信号，能够提高系统性能，并且能降低终端设备的能耗。
可选地，在本发明实施例中，该资源区域包括至少一个物理资源块，在资源区域包括多个物理资源块时，该多个物理资源块中的任意两个物理资源块在频域上为连续的或离散的。
可选地，在本发明实施例中，该指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
可选地，在本发明实施例中，该指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
选地，在本发明实施例中，该指示信息包括用于指示该资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。
可选地，在本发明实施例中，该指示信息包括用于指示该资源区域在系统带宽中的起始位置的起始频点和该资源区域的带宽长度。
可选地，在本发明实施例中，该资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，该指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。
可选地，在本发明实施例中，若指示信息指示的是资源区域的频域参数时，该第一接收单元410具体用于：通过系统消息或高层信令接收该第一终 端设备发送的该指示信息；若指示信息指示的是资源区域的时域参数时，该第一发送单元310具体用于：通过系统消息、高层信令或物理层信令接收该网络设备发送的该指示信息。
可选地，在本发明实施例中，该高层信令包括无线控制资源RRC消息，该系统消息包括SIB消息和物理广播信道PBCH消息，该物理层信令包括从至少一个时隙或至少一个微时隙中发送的公共信令或该第一终端设备的专用信令。
可选地，在本发明实施例中，该第二接收单元420具体用于：根据该指示信息，在该资源区域上接收该网络设备发送的与该第一终端设备的下行控制信道对应的至少一个控制信道单元；根据该至少一个控制信道单元，组合产生该下行控制信号。
可选地，在本发明实施例中，该第二接收单元420具体用于：采用与该资源区域对应的波束，在该资源区域上接收该网络设备发送的该下行控制信号。
应理解，根据本发明实施例的传输信号的终端设备400可对应于本发明方法实施例中的终端设备，并且终端设备400中的各个单元的上述和其它操作和/或功能分别为了实现图8中的方法的相应流程，为了简洁，在此不再赘述。
如图11所示，本发明实施例还提供了一种传输信号的网络设备500，该网络设备500包括：处理器510、存储器520、总线系统530和收发器540，其中，该处理器510、该存储器520和该收发器540通过该总线系统530相连，该存储器520用于存储指令，该处理器510用于执行该存储器520存储的指令，以控制该收发器540发送信号；其中，该处理器510用于：向第一终端设备发送指示信息，所述指示信息用于指示所述第一终端设备用于接收下行控制信号的资源区域；在所述资源区域上向所述第一终端设备发送所述下行控制信号。
因此，本发明实施例提供的传输信号的网络设备，通过让终端设备在固定的资源区域内去检测控制信号，能够提高系统性能，并且能降低终端设备的能耗。
应理解，在本发明实施例中，该处理器510可以是中央处理单元(Central Processing Unit，简称为“CPU”)，该处理器510还可以是其他通用处理器、 数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器520可以包括只读存储器和随机存取存储器，并向处理器510提供指令和数据。存储器520的一部分还可以包括非易失性随机存取存储器。例如，存储器520还可以存储设备类型的信息。
该总线系统530除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都标为总线系统530。
在实现过程中，上述方法的各步骤可以通过处理器510中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器520，处理器510读取存储器520中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
应理解，根据本发明实施例的传输信号的网络设备500可对应于本发明实施例中的网络设备以及网络设备300，并可以对应于执行根据本发明实施例的方法中的网络设备，并且网络设备500中的各个单元的上述和其它操作和/或功能分别为了实现图2至图7中的方法的相应流程，为了简洁，在此不再赘述。
如图12所示，本发明实施例还提供了一种传输信号的终端设备600，该终端设备600包括：处理器610、存储器620、总线系统630和收发器640，其中，该处理器610、该存储器620和该收发器640通过该总线系统630相连，该存储器620用于存储指令，该处理器650用于执行该存储器620存储的指令，以控制该收发器640发送信号；其中，该处理器610用于：接收网络设备发送的指示信息，所述指示信息用于指示第一终端设备用于接收下行控制信号的资源区域；根据所述指示信息，在所述资源区域上接收所述网络设备发送的所述下行控制信号。
因此，本发明实施例的传输信号的终端设备，通过让终端设备在固定的资源区域内去检测控制信号，能够提高系统性能，并且能降低终端设备的能 耗。
应理解，在本发明实施例中，该处理器610可以是中央处理单元(Central Processing Unit，简称为“CPU”)，该处理器610还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器620可以包括只读存储器和随机存取存储器，并向处理器610提供指令和数据。存储器620的一部分还可以包括非易失性随机存取存储器。例如，存储器620还可以存储设备类型的信息。
该总线系统630除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都标为总线系统630。
在实现过程中，上述方法的各步骤可以通过处理器610中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器620，处理器610读取存储器620中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
应理解，根据本发明实施例的传输信号的终端设备600可对应于本发明实施例中的终端设备以及终端设备400，并可以对应于执行根据本发明实施例的方法中的终端设备，并且终端设备600中的各个单元的上述和其它操作和/或功能分别为了实现图8中的方法的相应流程，为了简洁，在此不再赘述。
应理解，本发明实施例提供的终端设备中的各个单元的操作和/或功能分别对应与方法侧中的终端设备，且与网络设备的交互及相关特性、功能等与网络设备侧的相关特性、功能相应，为了简洁，在此不再赘述。
应理解，在本发明实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实 现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明实施例的范围。
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统。另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以是两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
该集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分，或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例该方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到各种等效的修改或替换。

Claims (52)

  1. 一种传输信号的方法，其特征在于，包括：
    向第一终端设备发送指示信息，所述指示信息用于指示所述第一终端设备用于接收下行控制信号的资源区域；
    在所述资源区域上向所述第一终端设备发送所述下行控制信号。
  2. 根据权利要求1的方法，其特征在于，所述资源区域包括多个物理资源块，所述多个物理资源块中的任意两个物理资源块在频域上为连续的或离散的。
  3. 根据权利要求2所述的方法，其特征在于，所述指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
  4. 根据权利要求2所述的方法，其特征在于，所述指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
  5. 根据权利要求2所述的方法，其特征在于，所述指示信息包括用于指示所述资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。
  6. 根据权利要求2所述的方法，其特征在于，所述指示信息包括用于指示所述资源区域在系统带宽中的起始位置的起始频点和所述资源区域的带宽长度。
  7. 根据权利要求3至6中任一项所述的方法，其特征在于，所述向第一终端设备发送指示信息，包括：
    通过系统消息或高层信令向所述第一终端设备发送所述指示信息。
  8. 根据权利要求1所述的方法，其特征在于，所述资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，所述指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。
  9. 根据权利要求8所述的方法，其特征在于，所述向第一终端设备发 送指示信息，包括：
    通过系统消息、高层信令或物理层信令向所述第一终端设备发送所述指示信息。
  10. 根据权利要求9所述的方法，其特征在于，所述高层信令包括无线控制资源RRC消息，所述系统消息包括SIB消息和物理广播信道PBCH消息，所述物理层信令包括从至少一个时隙或至少一个微时隙中发送的公共信令或向所述第一终端设备的专用信令。
  11. 根据权利要求1至10中任一项所述的方法，其特征在于，所述在所述资源区域上向所述第一终端设备发送下行控制信号，还包括：
    采用与所述资源区域对应的波束，在所述资源区域上向所述第一终端设备发送所述下行控制信号。
  12. 根据权利要求1至11中任一项所述的方法，其特征在于，所述方法还包括：
    将用于承载下行控制信号的至少一个控制信道中的每个控制信道分解成至少一个控制信道单元，映射到所述资源区域上发送，所述多个控制信道与多个终端设备一一对应，所述多个终端设备包括所述第一终端设备。
  13. 根据权利要求12所述的方法，其特征在于，所述至少一个控制信道中的不同控制信道单元映射到所述资源区域中的不同物理资源块和/或不同OFDM符号上，和/或
    所述至少一个控制信道中的第一控制信道的至少一个控制信道单元映射到所述资源区域中同一个物理资源块内的所有OFDM符号上，和/或
    所述至少一个控制信道中的不同控制信道单元映射到所述资源区域中同一个OFDM符号内的至少部分物理资源块上。
  14. 根据权利要求1至13中任一项所述的方法，其特征在于，所述方法还包括：
    根据所述第一终端设备所采用的波束，确定与所述波束对应的所述资源区域；或
    根据所述第一终端设备的邻小区，确定与所述邻小区对应的所述资源区域；或
    根据所述第一终端设备在小区的位置以及所述第一终端设备的移动特性，确定所述资源区域；或
    根据网络设备的负载，确定所述资源区域。
  15. 一种传输信号的方法，其特征在于，包括：
    接收网络设备发送的指示信息，所述指示信息用于指示第一终端设备用于接收下行控制信号的资源区域；
    根据所述指示信息，在所述资源区域上接收所述网络设备发送的所述下行控制信号。
  16. 根据权利要求15所述的方法，其特征在于，所述资源区域包括多个物理资源块，所述多个物理资源块中的任意两个物理资源块在频域上为连续的或离散的。
  17. 根据权利要求16所述的方法，其特征在于，所述指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
  18. 根据权利要求16所述的方法，其特征在于，所述指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
  19. 根据权利要求16所述的方法，其特征在于，所述指示信息包括用于指示所述资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。
  20. 根据权利要求16所述的方法，其特征在于，所述指示信息包括用于指示所述资源区域在系统带宽中的起始位置的起始频点和所述资源区域的带宽长度。
  21. 根据权利要求17至20中任一项所述的方法，其特征在于，所述接收第一终端设备发送的指示信息，包括：
    通过系统消息或高层信令接收所述第一终端设备发送的所述指示信息。
  22. 根据权利要求15所述的方法，其特征在于，所述资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，所述指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。
  23. 根据权利要求22所述的方法，其特征在于，所述接收网络设备发送的指示信息，包括：
    通过系统消息、高层信令或物理层信令接收所述网络设备发送的所述指示信息。
  24. 根据权利要求23所述的方法，其特征在于，所述高层信令包括无线控制资源RRC消息，所述系统消息包括SIB消息和物理广播信道PBCH消息，所述物理层信令包括从至少一个时隙或至少一个微时隙中发送的公共信令或所述第一终端设备的专用信令。
  25. 根据权利要求15至24中任一项所述的方法，其特征在于，所述根据所述指示信息，在所述资源区域上接收所述网络设备发送的所述下行控制信号，包括：
    根据所述指示信息，在所述资源区域上接收所述网络设备发送的与所述第一终端设备的下行控制信道对应的至少一个控制信道单元；
    根据所述至少一个控制信道单元，组合产生所述下行控制信号。
  26. 根据权利要求15至25中任一项所述的方法，其特征在于，所述在所述资源区域上接收所述网络设备发送的所述下行控制信号，包括：
    采用与所述资源区域对应的波束，在所述资源区域上接收所述网络设备发送的所述下行控制信号。
  27. 一种传输信号的网络设备，其特征在于，所述网络设备包括：
    第一发送单元，用于向第一终端设备发送指示信息，所述指示信息用于指示所述第一终端设备用于接收下行控制信号的资源区域；
    第二发送单元，用于在所述资源区域上向所述第一终端设备发送所述下行控制信号。
  28. 根据权利要求27所述的网络设备，其特征在于，所述资源区域包括多个物理资源块，所述多个物理资源块中的任意两个物理资源块在频域上为连续的或离散的。
  29. 根据权利要求28所述的网络设备，其特征在于，所述指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
  30. 根据权利要求28所述的网络设备，其特征在于，所述指示信息包 括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
  31. 根据权利要求28所述的网络设备，其特征在于，所述指示信息包括用于指示所述资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。
  32. 根据权利要求28所述的网络设备，其特征在于，所述指示信息包括用于指示所述资源区域在系统带宽中的起始位置的起始频点和所述资源区域的带宽长度。
  33. 根据权利要求29至32中任一项所述的网络设备，其特征在于，所述第一发送单元具体用于：
    通过系统消息或高层信令向所述第一终端设备发送所述指示信息。
  34. 根据权利要求27所述的网络设备，其特征在于，所述资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，所述指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。
  35. 根据权利要求34所述的网络设备，其特征在于，所述第一发送单元具体用于：
    通过系统消息、高层信令或物理层信令向所述第一终端设备发送所述指示信息。
  36. 根据权利要求35所述的网络设备，其特征在于，所述高层信令包括无线控制资源RRC消息，所述系统消息包括SIB消息和物理广播信道PBCH消息，所述物理层信令包括从至少一个时隙或至少一个微时隙中发送的公共信令或所述第一终端设备的专用信令。
  37. 根据权利要求27至36中任一项所述的网络设备，其特征在于，所述第二发送单元具体用于：
    采用与所述资源区域对应的波束，在所述资源区域上向所述第一终端设备发送所述下行控制信号。
  38. 根据权利要求27至37中任一项所述的网络设备，其特征在于，所述网络设备还包括：
    分解单元，用于将用于承载下行控制信号的至少一个控制信道中的每个控制信道分解成至少一个控制信道单元，映射到所述资源区域上发送，所述多个控制信道与多个终端设备一一对应，所述多个终端设备包括所述第一终端设备。
  39. 根据权利要求38所述的网络设备，其特征在于，所述至少一个控制信道中的不同控制信道单元映射到所述资源区域中的不同物理资源块和/或不同OFDM符号上，和/或
    所述至少一个控制信道中的第一控制信道的至少一个控制信道单元映射到所述资源区域中同一个物理资源块内的所有OFDM符号上，和/或
    所述至少一个控制信道中的不同控制信道单元映射到所述资源区域中同一个OFDM符号内的至少部分物理资源块上。
  40. 根据权利要求27至39中任一项所述的网络设备，其特征在于，所述网络设备还包括：
    确定单元，用于根据所述第一终端设备所采用的波束，确定与所述波束对应的所述资源区域；或
    根据所述第一终端设备的邻小区，确定与所述邻小区对应的所述资源区域；或
    根据所述第一终端设备在小区的位置以及所述第一终端设备的移动特性，确定所述资源区域；或
    根据网络设备的负载，确定所述资源区域。
  41. 一种传输信号的终端设备，其特征在于，所述终端设备包括：
    第一接收单元，用于接收网络设备发送的指示信息，所述指示信息用于指示第一终端设备用于接收下行控制信号的资源区域；
    第二接收单元，用于根据所述指示信息，在所述资源区域上接收所述网络设备发送的所述下行控制信号。
  42. 根据权利要求41所述的终端设备，其特征在于，所述资源区域包括多个物理资源块，所述多个物理资源块中的任意两个物理资源块在频域上为连续的或离散的。
  43. 根据权利要求42所述的终端设备，其特征在于，所述指示信息包括第一比特表，所述第一比特表中的每个比特位对应于系统带宽中的每个物理资源块，所述第一比特表中比特位为第一值表示对应的物理资源块属于所 述资源区域。
  44. 根据权利要求42所述的终端设备，其特征在于，所述指示信息包括起始频点和第二比特表，所述第二比特表中的多个比特位对应于从所述起始频点开始连续的多个物理资源块，所述多个比特位与所述多个物理资源块一一对应，所述第二比特表中比特位为第一值表示对应的物理资源块属于所述资源区域。
  45. 根据权利要求42所述的终端设备，其特征在于，所述指示信息包括用于指示所述资源区域在系统带宽中的起始位置的起始频点和在系统带宽中的结束位置的结束频点。
  46. 根据权利要求42所述的终端设备，其特征在于，所述指示信息包括用于指示所述资源区域在系统带宽中的起始位置的起始频点和所述资源区域的带宽长度。
  47. 根据权利要求43至46中任一项所述的终端设备，其特征在于，所述第一接收单元具体用于：
    通过系统消息或高层信令接收所述第一终端设备发送的所述指示信息。
  48. 根据权利要求41所述的终端设备，其特征在于，所述资源区域包括第一时隙或第一微时隙中从第一个正交频分复用OFDM符号起始的至少一个连续的OFDM符号，所述指示信息包括所述资源区域中属于所述第一时隙或所述第一微时隙的OFDM符号的数目。
  49. 根据权利要求48所述的终端设备，其特征在于，所述第一接收单元具体用于：
    通过系统消息、高层信令或物理层信令接收所述网络设备发送的所述指示信息。
  50. 根据权利要求49所述的终端设备，其特征在于，所述高层信令包括无线控制资源RRC消息，所述系统消息包括SIB消息和物理广播信道PBCH消息，所述物理层信令包括从至少一个时隙或至少一个微时隙中发送的公共信令或所述第一终端设备的专用信令。
  51. 根据权利要求41至50中任一项所述的方法，其特征在于，所述第二接收单元具体用于：
    根据所述指示信息，在所述资源区域上接收所述网络设备发送的与所述第一终端设备的下行控制信道对应的至少一个控制信道单元；
    根据所述至少一个控制信道单元，组合产生所述下行控制信号。
  52. 根据权利要求41至51中任一项所述的终端设备，其特征在于，所述第二接收单元具体用于：
    采用与所述资源区域对应的波束，在所述资源区域上接收所述网络设备发送的所述下行控制信号。
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