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US20200260447A1 - Radio communication method and device - Google Patents

Radio communication method and device Download PDF

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Publication number
US20200260447A1
US20200260447A1 US16/864,730 US202016864730A US2020260447A1 US 20200260447 A1 US20200260447 A1 US 20200260447A1 US 202016864730 A US202016864730 A US 202016864730A US 2020260447 A1 US2020260447 A1 US 2020260447A1
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United States
Prior art keywords
feedback information
resource set
target resource
downlink channel
terminal
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US16/864,730
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English (en)
Inventor
Yanan Lin
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of US20200260447A1 publication Critical patent/US20200260447A1/en
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. reassignment GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIN, YANAN
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1664—Details of the supervisory signal the supervisory signal being transmitted together with payload signals; piggybacking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/189—Transmission or retransmission of more than one copy of a message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1893—Physical mapping arrangements
    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows

Definitions

  • Implementations of the present disclosure generally relate to communication technologies, and more particularly, to wireless communication methods and devices.
  • a terminal may send feedback response information for the downlink channel.
  • a downlink channel for example, a Physical Downlink Shared Channel (PDSCH)
  • PDSCH Physical Downlink Shared Channel
  • Implementations of the present disclosure provide a wireless communication method and device.
  • a wireless communication method including:
  • the feedback information comprises feedback response information corresponding to a first downlink channel transmitted in a target resource set, and the first downlink channel is repeatedly transmitted within L resource units in the target resource set, the feedback response information corresponding to the first downlink channel occupies one bit group of the feedback information, the number of bits comprised in the bit group is equal to a value of a first parameter or 1;
  • a wireless communication method including:
  • the feedback information includes feedback response information corresponding to a first downlink channel transmitted in a target resource set, resource units belong to a same carrier, and the first downlink channel is repeatedly transmitted within a plurality of resource units in the target resource set.
  • a terminal configured to perform the methods of the first aspect or any possible implementation of the first aspect described above.
  • the terminal includes functional modules for performing the methods of the first aspect or any possible implementation of the first aspect described above.
  • a network device configured to perform the methods of the second aspect or any possible implementation of the second aspect described above.
  • the network device includes functional modules for performing the methods of the second aspect or any possible implementation of the second aspect described above.
  • a terminal including: a processor, a memory and a transceiver.
  • the processor, the memory, and the transceiver communicate with each other through an internal connection path to transfer control and/or data signals, so that the terminal executes the methods of the first aspect or any possible implementation of the first aspect described above.
  • a network device including: a processor, a memory and a transceiver.
  • the processor, the memory, and the transceiver communicate with each other through an internal connection path to transfer control and/or data signals, so that the network device executes the methods of the second aspect or any possible implementation of the second aspect described above.
  • a computer-readable medium for storing computer programs including instructions configured to perform the methods of the above aspects or any possible implementation of the above aspects.
  • a computer program product including instructions is provided. When executed on a computer, the computer program product causes the computer to perform the methods of the above aspects or any possible implementation of the above aspects.
  • FIG. 1 is a schematic diagram of a wireless communication system according to an implementation of the present disclosure.
  • FIG. 2 is a schematic flowchart of a wireless communication method according to an implementation of the present disclosure.
  • FIG. 3 is a schematic diagram of a PDSCH carried by a target resource set according to an implementation of the present disclosure.
  • FIG. 4 is a schematic diagram of a PDSCH carried by a target resource set according to an implementation of the present disclosure.
  • FIG. 5 is a schematic diagram of a PDSCH carried by a target resource set according to an implementation of the present disclosure.
  • FIG. 6 is a schematic block diagram of a terminal according to an implementation of the present disclosure.
  • FIG. 7 is a schematic block diagram of a network device according to an implementation of the present disclosure.
  • FIG. 8 is a schematic block diagram of a system chip according to an implementation of the present disclosure.
  • FIG. 9 is a schematic block diagram of a communication device according to an implementation of the present disclosure.
  • 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
  • NR New Radio
  • FIG. 1 shows a wireless communication system 100 applied in implementations of the present disclosure.
  • the wireless communication system 100 may include a network device 110 .
  • the network device 100 may be a device that communicates with a terminal device.
  • the network device 100 may provide communication coverage for a specific geographic area, and may communicate with a terminal device (such as a UE) within the coverage area.
  • the network device 100 may be a Base Transceiver Station (BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, or a wireless controller in a Cloud Radio Access Network (CRAN), or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, a network-side device in the future 5G network or a network device in a future evolved Public Land Mobile Network (PLMN).
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • LTE Long Term Evolution
  • CRAN Cloud Radio Access Network
  • the network device may be a relay station, an access point, an in-vehicle device, a wearable device, a network-side device in the future
  • the wireless communication system 100 further includes at least one terminal device 120 within the coverage area of the network device 110 .
  • the terminal device 120 may be mobile or fixed. According to exemplary implementations, the terminal device 120 may refer to an access terminal, user equipment (UE), a subscriber unit, a subscriber station, a mobile station, a mobile terminal, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent or a user device.
  • UE user equipment
  • 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), a handled device with wireless communication functions, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks, or terminal devices in the future evolutional PLMN, and so on.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal devices 120 may perform Device to Device (D2D) communication.
  • D2D Device to Device
  • the 5G system or network may also be referred to as a New Radio (NR) system or network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. Implementations of the present disclosure do not impose specific limitations on this.
  • the wireless communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like, and implementations of the present disclosure do not impose specific limitations on this.
  • system and “network” are often used interchangeably herein.
  • the term “and/or” describes a kind of association relationship between related objects, which means that there can be three kinds of relationships, for example, A and/or B can mean: A exists alone, both A and B exist, and B exists alone.
  • the character “/” generally indicates that the related objects are an “or” relationship.
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an implementation of the present disclosure.
  • the method 200 may be applied to the system shown in FIG. 1 , but is not limited thereto. As shown in FIG. 2 , the method 200 includes at least part of the following.
  • a terminal device sends feedback information on a first time unit.
  • the feedback information includes feedback response information corresponding to a first downlink channel transmitted in a target resource set, resource units included in the target resource set belong to a same carrier, and the first downlink channel is repeatedly transmitted within a plurality of resource units in the target resource set.
  • the first time unit may be a time slot, a mini time slot, a symbol, or the like.
  • the size of the resources occupied by the resource units in the target resource set in the time domain may be the same.
  • each resource unit in the target resource set may occupy one or more time slots or one or more symbols in a time slot in the time domain.
  • the target resource set may be used to transmit multiple downlink channels, and each downlink channel may occupy at least one resource unit.
  • the number of resource units occupied by the multiple downlink channels may be different.
  • the feedback information may carry feedback information for multiple downlink channels.
  • the NR system supports ACK/NACK multiplexed transmission, that is, ACK/NACK information corresponding to multiple PDSCHs is transmitted through one PUCCH.
  • ACK/NACK multiplexed transmission two ACK/NACK information generation methods are supported: semi-static determination of the number of ACK/NACK bits (semi-static HARQ-ACK codebook) and dynamic determination of the number of ACK/NACK bits (dynamic HARQ-ACK codebook).
  • the network device may cascade the feedback response information corresponding to multiple resource sets on multiple carriers, and send the cascaded feedback response information to the network device.
  • the network device receives feedback information on the first time unit.
  • the feedback information sent by the terminal device may include feedback response information for a downlink channel repeatedly transmitted in multiple resource units, and thus the implementations of the present disclosure may realize providing of feedback response for the downlink channel which is repeatedly transmitted in a 5G system.
  • the target resource set is determined according to a higher layer parameter.
  • the network device may configure the target resource set for the terminal through a higher layer parameter. In this way, the terminal can determine the target resource set according to the higher layer parameter.
  • each resource unit in the target resource set is an occasion for candidate transmission of a downlink channel.
  • each resource unit can be configured to transmit a downlink channel does not mean that the resource set is necessarily used to transmit a downlink channel, this just means that the resource units supports transmission of the downlink channel.
  • one or more code blocks may be transmitted in one resource unit, or one or more transmission blocks may be transmitted in one resource unit.
  • the repeated transmission of the first downlink channel in multiple resource units means that the information transmitted by the multiple resource units is the same.
  • the terminal device before sending the feedback information on the first time unit, determines the number of bits of the feedback information.
  • the network device before receiving the feedback information on the first time unit, determines the number of bits of the feedback information.
  • the number of bits of the feedback information is related to the number of resource units in the target resource set, that is, the number of bits of the feedback information is determined based on the number of resource units in the target resource set.
  • each resource unit in the target resource set corresponds to a bit group in the feedback information.
  • the bit group corresponding to the resource unit may carry placeholder information.
  • the bit group corresponding to the resource unit can carry the placeholder information.
  • the number of bits of the feedback information is equal to the number of resource units in the target resource set.
  • the feedback response information corresponding to the first downlink channel occupies L bit groups in the feedback information, wherein the first downlink channel may be repeatedly transmitted within L resource units.
  • the number of bits in the bit group is equal to 1.
  • feedback response information is sent for the downlink channel transmitted by each resource unit of the L resource unit.
  • the number of bits included in the bit group is equal to 1, and this means that a PDSCH with one code block group or transmission block is transmitted in one resource unit.
  • the order of the L bit groups in the bit groups included in the feedback information is equal to the order of the L resource units in the target resource set.
  • the L resource units may be L consecutive resource units, and under such condition, the feedback response information having L bits may also occupy L consecutive bits.
  • the information included in the L bit groups is the same.
  • the feedback information corresponding to the resource unit that has not sent the downlink channel in the target resource set may be placeholder information, for example, may be 0.
  • the resource set corresponding to slot n+8 is slot n ⁇ n+7 in the time domain
  • PDSCH1 is repeatedly transmitted in slot n+1, slot n+2, and slot n+3,
  • PDSCH2 is repeatedly transmitted in slot n+4, slot n+5 and slot n+6.
  • the terminal determines that the sequence length of the feedback information transmitted in slot n+8 is 8.
  • the terminal generates the following feedback information: ⁇ 0, b1, b1, b1, b1, b2, b2, b2, 0 ⁇ , where bi is the ACK/NACK information corresponding to the PDSCHi, and “0” is placeholder information.
  • the first downlink channel is repeatedly transmitted within L resource unit, and the feedback response information corresponding to the first downlink channel occupies 1 bit group in the feedback information, where the number of bits included in the bit group is equal to 1.
  • the feedback response information may be transmitted once.
  • the order of the 1 bit group in the bit groups included in the feedback information is equal to the order of one of the L resource units in the target resource set.
  • the one resource unit may be any one of the L resource units, or may be the first resource unit, or may be the last resource unit.
  • the resource set corresponding to slot n+8 is slot n ⁇ n+7 in the time domain
  • PDSCH1 is repeatedly transmitted in slots n+1, n+2, and n+3
  • PDSCH2 is repeatedly transmitted in slots n+4, n+5 and n+6.
  • the terminal determines that the sequence length of the feedback information transmitted in slot n+8 is 8.
  • the terminal generates the following feedback information: ⁇ 0, 0, 0, b1, 0, 0, b2, 0 ⁇ , where bi is the ACK/NACK information corresponding to the PDSCHi, and “0” is placeholder information.
  • the terminal determines that the number of bits of the feedback information is equal to a product of the number of resource units in the target resource set and a first parameter.
  • the feedback response information corresponding to the first downlink channel occupies L bit groups in the feedback information, and the first downlink channel is repeatedly transmitted within L resource units.
  • the number of bits included in the bit group is equal to the value of the first parameter.
  • each resource unit can transmit multiple code block groups or multiple transmission blocks, and feedback response information for the multiple code block groups or multiple transmission blocks need to be sent.
  • Each bit group can carry bits the number of which is the same as the number of the code block groups or the transmission blocks.
  • each bit group includes feedback response information for the multiple code block groups or multiple transmission blocks.
  • the order of the L bit groups in the bit groups included in the feedback information is equal to the order of the L resource units in the target resource set.
  • the first downlink channel is repeatedly transmitted within L resource units, and the feedback response information corresponding to the first downlink channel occupies one bit group in the feedback information.
  • the number of bits included in the bit group is equal to the value of the first parameter.
  • the feedback response information may be transmitted once.
  • the order of the one bit group in the bit groups included in the feedback information is equal to the order of one of the L resource units in the target resource set.
  • the one resource unit may be any one of the L resource units, or may be the first resource unit, or may be the last resource unit.
  • the terminal determines that the number of bits of the feedback information is equal to a value obtained by rounding up or rounding down the number of resource units in the target resource set divided by L, wherein each downlink channel received by the terminal is repeatedly transmitted within L resource units.
  • the feedback response information corresponding to the first downlink channel occupies one bit group in the feedback information; there is one bit included in the bit group.
  • that the number of bit included in the bit group is equal to one may mean that a PDSCH with one code block group or transmission block is transmitted in one resource unit.
  • the order of the one bit group in the bit groups included in the feedback information is equal to:
  • P is equal to the number of the last resource unit occupied by the first lower channel in the target resource set, and P is a positive integer.
  • the order of the one bit group in the bit groups included in the feedback information is equal to:
  • K is equal to the number of the first resource unit occupied by the first downlink channel in the target resource set, and K is a positive integer.
  • the number of the starting slot for the target PDSCH number is n i , then the index of the feedback response information for the target PDSCH in the feedback information sequence is equal to a value obtained by rounding down the number of available slots between slot n i and slot n 0 (the first slot in the resource set) divided by the slot aggregation length.
  • the generated feedback information sequence is ⁇ b1,0 ⁇ , and for the case shown in FIG. 5 , the generated feedback information sequence is ⁇ 0, b1 ⁇ .
  • the terminal determines that the number of bits of the feedback information is equal to a value obtained by rounding up or rounding down a product of the number of resource units in the target resource set and the first parameter, the product being divided by L.
  • Each downlink channel received by the terminal is repeatedly transmitted within L resource units.
  • the feedback response information corresponding to the first downlink channel occupies one bit group in the feedback information; the number of bits included in the bit group is the value of the first parameter.
  • each resource unit can transmit multiple code block groups or multiple transmission blocks, and feedback response information for the multiple code block groups or multiple transmission blocks need to be sent.
  • Each bit group can carry bits, the number of which is the same as the number of code block groups or transmission blocks.
  • the order of the one bit group in the bit groups included in the feedback information is equal to:
  • K is equal to the number of the first resource unit occupied by the first downlink channel in the target resource set, and K is a positive integer;
  • P is equal to the number of the last resource unit occupied by the first downlink channel in the target resource set, and P is a positive integer.
  • the first parameter mentioned above may be configured by a network; or, the first parameter is the maximum number of transmission blocks; or, the first parameter is the maximum number of code block groups.
  • HARQ timing Hybrid Automatic Repeat reQuest (HARQ) timing
  • the terminal determines a pre-configured timing set, which may include 8 values, for example, ⁇ K10, K11, K12, K13, K14, K15, K16, K17 ⁇ .
  • Downlink Control Information (DCI) indicates that the PDSCH is transmitted in slot n, and the DCI contains a 3-bit target information field for indicating a value K1i in the timing set.
  • the terminal sends the positive acknowledgement (Acknowledge, ACK)/negative acknowledgement (Non-Acknowledge, NACK) information corresponding to the PDSCH in slot n+K1i.
  • FIG. 6 is a schematic block diagram of a terminal 300 according to an implementation of the present disclosure. As shown in FIG. 6 , the terminal 300 includes a sending unit 310 .
  • the sending unit 300 is configured to send feedback information on a first time unit.
  • the feedback information includes feedback response information corresponding to a first downlink channel transmitted in a target resource set, resource units included in the target resource set belong to a same carrier, and the first downlink channel is repeatedly transmitted within a plurality of resource units in the target resource set.
  • the target resource set is determined according to a higher layer parameter.
  • each resource unit in the target resource set is an occasion for candidate transmission of a downlink channel.
  • the terminal 300 further includes a processing unit 320 configured to determine the number of bits of the feedback information.
  • the number of bits of the feedback information is determined based on the number of resource units in the target resource set.
  • the number of bits of the feedback information is equal to a product of the number of resource units in the target resource set and a first parameter;
  • the number of bits of the feedback information is equal to the number of resource units in the target resource set.
  • the first downlink channel is repeatedly transmitted within L resource units, and the feedback response information corresponding to the first downlink channel occupies L bit groups in the feedback information;
  • the number of bits included in each of the bit groups is equal to a value of the first parameter or 1.
  • information of the L bit groups is the same.
  • an order of the L bit groups in bit groups included in the feedback information is same as an order of the L resource units in the target resource set.
  • the first downlink channel is repeatedly transmitted within L resource units, and the feedback response information corresponding to the first downlink channel occupies one bit group in the feedback information;
  • the number of bits included in the bit group is equal to a value of the first parameter or 1.
  • an order of the one bit group in bit groups included in the feedback information is same as an order of one of the L resource units in the target resource set.
  • the number of bits of the feedback information is equal to a value obtained by rounding up or rounding down a product of the number of resource units in the target resource set and a first parameter, the product being divided by L; or,
  • the number of bits of the feedback information is equal to a value obtained by rounding up or rounding down the number of resource units in the target resource set which is divided by L;
  • each downlink channel received by the terminal is repeatedly transmitted within L resource units in the target resource set.
  • the feedback response information corresponding to the first downlink channel occupies one bit group in the feedback information
  • the number of bits included in the bit group is a value of the first parameter or 1.
  • an order of the one bit group in bit groups included in the feedback information is equal to:
  • K is equal to the number of a first resource unit occupied by the first downlink channel in the target resource set, and K is a positive integer;
  • P is equal to the number of the last resource unit occupied by the first downlink channel in the target resource set, and P is a positive integer.
  • the first parameter is configured by a network
  • the first parameter is a maximum number of transmission blocks
  • the first parameter is a maximum number of code block groups.
  • the terminal can implement the operations implemented by the terminal in the method 200 .
  • the terminal can implement the operations implemented by the terminal in the method 200 .
  • details are not described herein again.
  • FIG. 7 is a schematic block diagram of a network device 400 according to an implementation of the present disclosure. As shown in FIG. 7 , the network device 400 includes a receiving unit 410 .
  • the receiving unit 410 is configured to receive feedback information on a first time unit.
  • the feedback information includes feedback response information corresponding to a first downlink channel transmitted in a target resource set, resource units belong to a same carrier, and the first downlink channel is repeatedly transmitted within a plurality of resource units in the target resource set.
  • the network device 400 further includes a sending unit 420 configured to send a higher layer parameter for a terminal device to determine the target resource set.
  • each resource unit in the target resource set is an occasion for candidate transmission of a downlink channel.
  • the number of resource units in the target resource set is related to the number of bits of the feedback information.
  • the number of bits of the feedback information is equal to a product of the number of resource units in the target resource set and a first parameter;
  • the number of bits of the feedback information is equal to the number of resource units in the target resource set.
  • the first downlink channel is repeatedly transmitted within L resource units, and the feedback response information corresponding to the first downlink channel occupies L bit groups in the feedback information;
  • the number of bits included in each of the bit groups is equal to a value of the first parameter or 1.
  • information of the L bit groups is the same.
  • an order of the L bit groups in bit groups included in the feedback information is same as an order of the L resource units in the target resource set.
  • the first downlink channel is repeatedly transmitted within L resource units, and the feedback response information corresponding to the first downlink channel occupies one bit group in the feedback information;
  • the number of bits included in the bit group is equal to a value of the first parameter or 1.
  • an order of the one bit group in bit groups included in the feedback information is same as an order of one of the L resource units in the target resource set.
  • the number of bits of the feedback information is equal to a value obtained by rounding up or rounding down a product of the number of resource units in the target resource set and a first parameter, the product being divided by L; or,
  • the number of bits of the feedback information determined by the terminal is equal to a value obtained by rounding up or rounding down the number of resource units in the target resource set which is divided by L;
  • each downlink channel is repeatedly transmitted within L resource units in the target resource set.
  • the feedback response information corresponding to the first downlink channel occupies one bit group in the feedback information
  • the number of bits included in the bit group is a value of the first parameter or 1.
  • an order of the one bit group in bit groups included in the feedback information is equal to:
  • K is equal to the number of a first resource unit occupied by the first downlink channel in the target resource set, and K is a positive integer;
  • P is equal to the number of the last resource unit occupied by the first downlink channel in the target resource set, and P is a positive integer.
  • the network device 400 further includes: a sending unit 420 configured to configure the first parameter for the terminal device; or,
  • the first parameter is a maximum number of transmission blocks
  • the first parameter is a maximum number of code block groups.
  • the network device 400 may implement the operations implemented by the network device in the method 200 .
  • the network device 400 may implement the operations implemented by the network device in the method 200 .
  • details are not described herein again.
  • FIG. 8 is a schematic structural diagram of a system chip 800 according to an implementation of the present disclosure.
  • the system chip 800 of FIG. 8 includes an input interface 801 , an output interface 802 , a processor 803 , and a memory 804 , and the input interface 801 , the output interface 802 , the processor 803 , and the memory 804 may be connected with each other via internal communication connection lines.
  • the processor 803 is configured to execute codes in the memory 804 .
  • the processor 803 when the codes are executed, the processor 803 implements the methods executed by the network device in the method implementations. For brevity, repeated descriptions are not provided again.
  • the processor 803 when the codes are executed, the processor 803 implements the methods executed by the terminal in the method implementations. For brevity, repeated descriptions are not provided again.
  • FIG. 9 is a schematic block diagram of a communication device 900 according to an implementation of the present disclosure.
  • the communication device 900 includes a processor 910 and a memory 920 .
  • the memory 920 may store program codes, and the processor 910 may execute the program codes stored in the memory 920 .
  • the communication device 900 may include a transceiver 930 , and the processor 910 may control the transceiver 930 to communicate with device outside the communication device 900 .
  • the processor 910 may call the program codes stored in the memory 920 to perform a corresponding operation of the network device in the method implementations. For brevity, details are not described herein again.
  • the processor 910 may call the program codes stored in the memory 920 to perform a corresponding operation of the terminal in the method implementations. For brevity, details are not described herein again.
  • processors in the implementations of the present disclosure may be an integrated circuit chip which has signal processing capability.
  • each step of the foregoing method implementations can be completed by an integrated hardware logic circuit in the processors or software instructions.
  • processors can be a general-purpose processor, a Digital Signal Processors (DSPs), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, which can implement or perform the methods, steps, and logical block diagrams disclosed in the implementations of the present disclosure.
  • the general-purpose processor can be a microprocessor or any conventional processor.
  • the steps of the methods disclosed in the implementations of the present disclosure can be directly completed by a hardware decoding processor, or by a combination of hardware and software modules in the decoding processor.
  • the software modules can be located in a storage medium that is well-known in the art such as a random access memory, a flash memory, a read only memory, a programmable read only memory or an electrically erasable programmable memory, a register.
  • the storage medium is located in the memory and the processor reads information in the memory and completes the steps of the above-described methods with its hardware.
  • the memory in the implementations of the present disclosure can be a volatile memory or a non-volatile memory, or can include both volatile memory and non-volatile memory.
  • the non-volatile memory can be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically EPROM (EEPROM) or a flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that serves as an external cache.
  • RAMs can be used, for example, a Static RAM (SRAM), a Dynamic RAM (DRAM), a Synchronous DRAM (SDRAM), a Double Data Rate SDRAM (DDR SDRAM), an Enhanced SDRAM (ESDRAM), a Synchlink DRAM (SLDRAM) and a Direct Rambus RAM (DR RAM).
  • SRAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced SDRAM
  • SLDRAM Synchlink DRAM
  • DR RAM Direct Rambus RAM
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device implementations described above are merely illustrative.
  • the division of the units is only a kind of logical function division. In practice, other division manner may be used.
  • multiple units or components may be combined or integrated into another system, or some features may be ignored or not performed.
  • the illustrated or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separated parts may or may not be physically separated, and the parts displayed as units may or may not be physical units, that is, the units may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions in the implementations.
  • the functional units in the implementations of the present disclosure may be integrated in one processing unit, or the units may exist alone physically, or two or more units may be integrated in one unit.
  • the functions may also be stored in a computer-readable storage medium if being implemented in the form of a software functional unit and sold or used as an independent product. Based on such understanding, the essence of the technical solutions of the present disclosure, or the part contributing to the prior art or part of the technical solutions, may be embodied in the form of a software product.
  • the computer software product is stored in a storage medium including a number of instructions such that a computer device (which may be a personal computer, a server, or a network device, etc.) performs all or part of steps of the method described in each of the implementations of the present disclosure.
  • the foregoing storage medium includes: any medium that is capable of storing program codes such as a USB 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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  • Computer Networks & Wireless Communication (AREA)
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  • Detection And Prevention Of Errors In Transmission (AREA)
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CN111525991B (zh) 2023-06-16
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US11064487B2 (en) 2021-07-13
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US20200275444A1 (en) 2020-08-27

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