WO2023197301A1 - Procédé, dispositif et support lisible par ordinateur destinés aux communications - Google Patents

Procédé, dispositif et support lisible par ordinateur destinés aux communications Download PDF

Info

Publication number
WO2023197301A1
WO2023197301A1 PCT/CN2022/087101 CN2022087101W WO2023197301A1 WO 2023197301 A1 WO2023197301 A1 WO 2023197301A1 CN 2022087101 W CN2022087101 W CN 2022087101W WO 2023197301 A1 WO2023197301 A1 WO 2023197301A1
Authority
WO
WIPO (PCT)
Prior art keywords
psfch
candidate
rbs
resource
psfch resource
Prior art date
Application number
PCT/CN2022/087101
Other languages
English (en)
Inventor
Gang Wang
Zhaobang MIAO
Original Assignee
Nec Corporation
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
Application filed by Nec Corporation filed Critical Nec Corporation
Priority to PCT/CN2022/087101 priority Critical patent/WO2023197301A1/fr
Publication of WO2023197301A1 publication Critical patent/WO2023197301A1/fr

Links

Images

Classifications

    • 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
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0033—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation each allocating device acting autonomously, i.e. without negotiation with other allocating devices
    • 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 signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • H04L5/0026—Division using four or more dimensions

Definitions

  • Embodiments of the present disclosure generally relate to the field of telecommunication, and in particular, to a method, device and computer readable media for sidelink communication.
  • SL-U Sidelink in unlicensed spectrum or band
  • 3GPP 3rd Generation Partnership Project
  • the scheme of SL-U should be based on New Radio (NR) sidelink and NR-U.
  • Interlace of resource blocks (IRB) is used as frequency resource unit for NR-U Uplink (UL) .
  • a Physical Sidelink Feedback Channel (PSFCH) resource in Release 16 is RB based.
  • Each PSFCH resource carries one Hybrid Automatic Repeat Request (HARQ) feedback information bit for one sidelink data transmission.
  • HARQ Hybrid Automatic Repeat Request
  • IRB based PSFCH may be defined for SL-U which may provide more resource redundancy.
  • example embodiments of the present disclosure provide methods, devices and computer readable media for communications.
  • a method for communications comprises: determining, at a first terminal device, a Physical Sidelink Feedback Channel (PSFCH) resource in a PSFCH transmission occasion associated with a feedback window, the feedback window comprising a set of candidate Physical Sidelink Shared Channel (PSSCH) reception occasions; generating sidelink HARQ feedback information associated with the candidate PSSCH reception occasions in the set; and transmitting the sidelink HARQ feedback information in the PSFCH resource.
  • PSFCH Physical Sidelink Feedback Channel
  • PSSCH Physical Sidelink Shared Channel
  • a terminal device comprising a processor and a memory storing instructions.
  • the memory and the instructions are configured, with the processor, to cause the terminal device to perform the method according to the first aspect.
  • a computer readable medium having instructions stored thereon.
  • the instructions when executed on at least one processor of a device, cause the device to perform the method according to the first aspect.
  • Fig. 1 illustrates an example communication network in which embodiments of the present disclosure can be implemented
  • Fig. 2 illustrates an example of automatic gain control (AGC) symbol and guard period (GP) symbol in accordance with some embodiments of the present disclosure
  • Fig. 3 illustrates an example of a sub-channel in accordance with some embodiments of the present disclosure
  • Fig. 4 illustrates an example of feedback channel resources in time domain in accordance with some embodiments of the present disclosure
  • Fig. 5 illustrates an example of timing line between sidelink data transmissions on PSSCH and a PSFCH resource in prior art
  • Fig. 6 illustrates another example of mapping between a sidelink data transmission on PSSCH and a PSFCH resource in prior art
  • Fig. 7 illustrates a flowchart of an example method in accordance with some embodiments of the present disclosure
  • Figs. 8A, 8B, 8C and 8D illustrate an example of a PSFCH resource in accordance with some embodiments of the present disclosure, respectively;
  • Figs. 9A and 9B illustrate an example of a PSFCH resource in accordance with some embodiments of the present disclosure, respectively;
  • Figs. 10A, 10B, 10C, 10D, 10E and 10F illustrate an example of a PSFCH resource in accordance with some embodiments of the present disclosure, respectively;
  • Fig. 11 illustrates examples of generation of sidelink HARQ feedback information in accordance with some embodiments of the present disclosure
  • Figs. 12A, 12B and 12C illustrate another example of generation and mapping of sidelink HARQ feedback information in accordance with some embodiments of the present disclosure, respectively.
  • Fig. 13 is a simplified block diagram of a device that is suitable for implementing embodiments of the present disclosure.
  • terminal device refers to any device having wireless or wired communication capabilities.
  • the terminal device include, but not limited to, user equipment (UE) , personal computers, desktops, mobile phones, cellular phones, smart phones, personal digital assistants (PDAs) , portable computers, tablets, wearable devices, internet of things (IoT) devices, Ultra-reliable and Low Latency Communications (URLLC) devices, Internet of Everything (IoE) devices, machine type communication (MTC) devices, device on vehicle for V2X communication where X means pedestrian, vehicle, or infrastructure/network, devices for Integrated Access and Backhaul (IAB) , Small Data Transmission (SDT) , mobility, Multicast and Broadcast Services (MBS) , positioning, dynamic/flexible duplex in commercial networks, reduced capability (RedCap) , Space borne vehicles or Air borne vehicles in Non-terrestrial networks (NTN) including Satellites and High Altitude Platforms (HAPs) encompassing Unmanned Aircraft Systems (UAS) , eX
  • UE user equipment
  • the ‘terminal device’ can further has ‘multicast/broadcast’ feature, to support public safety and mission critical, V2X applications, transparent IPv4/IPv6 multicast delivery, IPTV, smart TV, radio services, software delivery over wireless, group communications and IoT applications. It may also incorporate one or multiple Subscriber Identity Module (SIM) as known as Multi-SIM.
  • SIM Subscriber Identity Module
  • the term “terminal device” can be used interchangeably with a UE, a mobile station, a subscriber station, a mobile terminal, a user terminal or a wireless device.
  • network device refers to a device which is capable of providing or hosting a cell or coverage where terminal devices can communicate.
  • a network device include, but not limited to, a Node B (NodeB or NB) , an evolved NodeB (eNodeB or eNB) , a next generation NodeB (gNB) , a transmission reception point (TRP) , a remote radio unit (RRU) , a radio head (RH) , a remote radio head (RRH) , an IAB node, a low power node such as a femto node, a pico node, a reconfigurable intelligent surface (RIS) , Network-controlled Repeaters, and the like.
  • NodeB Node B
  • eNodeB or eNB evolved NodeB
  • gNB next generation NodeB
  • TRP transmission reception point
  • RRU remote radio unit
  • RH radio head
  • RRH remote radio head
  • IAB node a low power node such
  • the terminal device or the network device may have Artificial intelligence (AI) or Machine learning capability. It generally includes a model which has been trained from numerous collected data for a specific function, and can be used to predict some information.
  • AI Artificial intelligence
  • Machine learning capability it generally includes a model which has been trained from numerous collected data for a specific function, and can be used to predict some information.
  • the terminal or the network device may work on several frequency ranges, e.g. FR1 (410 MHz –7125 MHz) , FR2 (24.25GHz to 71GHz) , frequency band larger than 100GHz as well as Tera Hertz (THz) . It can further work on licensed/unlicensed/shared spectrum.
  • the terminal device may have more than one connection with the network devices under Multi-Radio Dual Connectivity (MR-DC) application scenario.
  • MR-DC Multi-Radio Dual Connectivity
  • the terminal device or the network device can work on full duplex, flexible duplex and cross division duplex modes.
  • the network device may have the function of network energy saving, Self-Organizing Networks (SON) /Minimization of Drive Tests (MDT) .
  • the terminal may have the function of power saving.
  • test equipment e.g. signal generator, signal analyzer, spectrum analyzer, network analyzer, test terminal device, test network device, channel emulator
  • the embodiments of the present disclosure may be performed according to any generation communication protocols either currently known or to be developed in the future.
  • Examples of the communication protocols include, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) communication protocols, 5.5G, 5G-Advanced networks, or the sixth generation (6G) networks.
  • the singular forms ‘a’ , ‘an’ and ‘the’ are intended to include the plural forms as well, unless the context clearly indicates otherwise.
  • the term ‘includes’ and its variants are to be read as open terms that mean ‘includes, but is not limited to. ’
  • the term ‘based on’ is to be read as ‘at least in part based on. ’
  • the term ‘some embodiments’ and ‘an embodiment’ are to be read as ‘at least some embodiments. ’
  • the term ‘another embodiment’ is to be read as ‘at least one other embodiment. ’
  • the terms ‘first, ’ ‘second, ’ and the like may refer to different or same objects. Other definitions, explicit and implicit, may be included below.
  • values, procedures, or apparatus are referred to as ‘best, ’ ‘lowest, ’ ‘highest, ’ ‘minimum, ’ ‘maximum, ’ or the like. It will be appreciated that such descriptions are intended to indicate that a selection among many used functional alternatives can be made, and such selections need not be better, smaller, higher, or otherwise preferable to other selections.
  • Fig. 1 illustrates a schematic diagram of an example communication network 100 in which embodiments of the present disclosure can be implemented.
  • the communication network 100 may include a terminal device 110, a terminal device 120, a terminal device 130, network devices 140 and 150.
  • the network devices 140 and 150 may communicate with the terminal device 110, the terminal device 120 and the terminal device 130 via respective wireless communication channels.
  • the network device 140 may be a gNB in NR, and the network device 150 may be an eNB in Long Term Evolution (LTE) system.
  • LTE Long Term Evolution
  • the communication network 100 may include any suitable number of network devices and/or terminal devices adapted for implementing embodiments of the present disclosure.
  • the communications in the communication network 100 may conform to any suitable standards including, but not limited to, Global System for Mobile Communications (GSM) , LTE, LTE-Evolution, LTE-Advanced (LTE-A) , Wideband Code Division Multiple Access (WCDMA) , Code Division Multiple Access (CDMA) , GSM EDGE Radio Access Network (GERAN) , Machine Type Communication (MTC) and the like.
  • GSM Global System for Mobile Communications
  • LTE LTE
  • LTE-Evolution LTE-Advanced
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • GERAN GSM EDGE Radio Access Network
  • MTC Machine Type Communication
  • the communications may be performed according to any generation communication protocols either currently known or to be developed in the future. Examples of the communication protocols include, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G)
  • the communications in the communication network 100 may comprise sidelink communication.
  • Sidelink communication is a wireless radio communication directly between two or more terminal devices, such as two or more terminal devices among the terminal device 110, the terminal device 120 and the terminal device 130.
  • the two or more terminal devices that are geographically proximate to each other can directly communicate without going through the network device 140 or 150 or through a core network.
  • Data transmission in sidelink communication is thus different from typical cellular network communications, in which a terminal device transmits data to the network device 140 or 150 (i.e., uplink transmissions) or receives data from the network device 140 or 150 (i.e., downlink transmissions) .
  • data is transmitted directly from a source terminal device (such as the terminal device 110) to a target terminal device (such as the terminal device 120) through the Unified Air Interface, e.g., PC5 interface, (i.e., sidelink transmissions) , as shown in Fig. 1.
  • Unified Air Interface e.g., PC5 interface
  • Sidelink communication can provide several advantages, including reducing data transmission load on a core network, system resource consumption, transmission power consumption, and network operation costs, saving wireless spectrum resources, and increasing spectrum efficiency of a cellular wireless communication system.
  • a sidelink communication manner includes but is not limited to device to device (D2D) communication, Vehicle-to-Everything (V2X) communication, etc.
  • D2D device to device
  • V2X Vehicle-to-Everything
  • V2X communication enables vehicles to communicate with other vehicles (i.e. Vehicle-to-Vehicle (V2V) communication) , with infrastructure (i.e. Vehicle-to-Infrastructure (V2I) , with wireless networks (i.e. Vehicle-to-Network (V2N) communication) , with pedestrians (i.e. Vehicle-to-Pedestrian (V2P) communication) , and even with the owner's home (i.e. Vehicle-to-Home (V2H) ) .
  • infrastructure include roadside units such as traffic lights, toll gates and the like.
  • V2X communication can be used in a wide range of scenarios, including in accident prevention and safety, convenience, traffic efficiency and clean driving, and ultimately in relation to autonomous or self-driving vehicles.
  • a terminal device uses resources in sidelink resource pools to transmit or receive signals.
  • the sidelink resource pools include resources in time domain and frequency domain, which are dedicated resources of the sidelink communication, or shared by the sidelink communication and a cellular link.
  • a sidelink resource pool which may contain multiple slots and resource blocks (RBs) , and all or part of the symbols in a slot can be used for sidelink transmission.
  • the first symbol i.e., the start symbol
  • the last symbol used as a guard period (GP) symbol.
  • AGC symbols and GP symbols can be considered as fixed overheads in sidelink resource.
  • AGC symbols and GP symbols are included in the sidelink symbols which are indicated by the sidelink channel resource configuration, and AGC symbols carry redundancy sidelink information while GP symbols are not used for carrying sidelink information, as shown in Fig. 2.
  • the terminal device 110, the terminal device 120 and the terminal device 130 may use sidelink channels to transmit sidelink signaling or information.
  • the sidelink channels include at least one of the following: a Physical Sidelink Control Channel (PSCCH) resource which is used for carrying sidelink control information (SCI) , a Physical Sidelink Shared Channel (PSSCH) resource which is used for carrying sidelink data service information, a physical sidelink feedback channel (PSFCH) resource which is used for carrying sidelink Hybrid Automatic Repeat Request (HARQ) feedback information, a physical sidelink broadcast channel (PSBCH) resource which is used for carrying sidelink broadcast information, and a physical sidelink discovery channel (PSDCH) resource which is used for carrying a sidelink discovery signal.
  • a PSFCH resource is also referred to as a feedback channel resource or HARQ feedback opportunity.
  • a PSSCH resource includes all the symbols in a slot that are configured as sidelink available symbols, and one or more sub-channels in frequency domain, where each sub-channel contains an integer number of consecutive RBs.
  • the number m of RBs included in one sub-channel is also called the sub-channel size.
  • Each slot contained in the resource pool contains multiple available sidelink symbols, and the PSSCH resource is located in the time domain from the first available sidelink symbol in this slot to all available symbols.
  • the resource pool contains multiple RBs, according to the sub-channel size m, starting from the first RB in the resource pool, each m RBs are divided into one sub-channel, and each PSSCH channel resource is located on one or more sub-channels.
  • a PSCCH resource includes t symbols in time domain, and l RBs in frequency domain. Each PSCCH channel resource is located at consecutive t symbols starting from the first symbol in the available symbols in the time domain, and located at the position of consecutive l RBs starting from the first RB in the corresponding sub-channel in the frequency domain, as shown in Fig. 3.
  • a PSFCH resource within a resource pool, whether a PSFCH resource is available should be configured or pre-configured.
  • PSCCH or PSSCH resources are presented in every slot and used for transmitting sidelink data packet.
  • the last three SL symbols (AGC+PSFCH+GP) are used for PSFCH related, as shown in Fig. 4.
  • a PSFCH resource may comprises one RB in frequency domain and one symbol in time domain (AGC symbol is repeated) .
  • the PSFCH resource may carry 1 bit ACK/NACK information.
  • the PSFCH resource may be related to one sub-channel in one slot.
  • K 0 may be configured or pre-configured through high layer.
  • the HARQ feedback information associated with the PSSCH in slots #n and #n+1 should be reported on PSFCH in slot #n+3, and the HARQ feedback information associated with the PSSCH in slots #n+2, #n+3, n+4 and n+5 should be reported on PSFCH in slot #n+7.
  • the RBs used as PSFCH resources should be configured by bitmap. Based on that, the assigned RBs for PSFCH resources should be allocated to carry the sidelink HARQ feedback information associated with data transmissions on PSSCH. This will be described with reference to Fig. 6.
  • Fig. 6 illustrates an example of mapping between a sidelink data transmission and a PSFCH resource in prior art.
  • a period of PSFCH resources is equal to 2 and K 0 is equal to 2.
  • the period of PSFCH resources is also referred to as PSFCH period for brevity.
  • N subch represents the number of sub-channels in the resource pool, and represents a period of PSFCH resources.
  • HARQ feedback information associated with a data transmission on PSSCH with a sub-channel 610 in slot #n should be reported on an RB 611 in slot #n+3.
  • HARQ feedback information associated with a data transmission on PSSCH with a sub-channel 630 in slot #n should be reported on an RB 612 in slot #n+3.
  • HARQ feedback information associated with a data transmission on PSSCH with the sub-channel 620 in slot #n+1 should be reported on an RB 621 in slot #n+3.
  • HARQ feedback information associated with a data transmission on PSSCH with the sub-channel 640 in slot #n+1 should be reported on an RB 622 in slot #n+3.
  • a channel access procedure may fail, which may cause a PSFCH resource unavailable and sidelink HARQ feedback information cannot be transmitted.
  • Embodiments of the present disclosure provide a solution for sidelink transmission so as to solve the above problems and one or more of other potential problems.
  • a feedback window comprising a set of candidate PSSCH reception occasions.
  • the feedback window is associated with a PSFCH transmission occasion.
  • Sidelink HARQ feedback information associated with the candidate PSSCH reception occasions in the set is transmitted in a PSFCH resource in the PSFCH transmission occasion.
  • Fig. 7 illustrates a flowchart of an example method in accordance with some embodiments of the present disclosure.
  • the method 700 can be implemented at a terminal device, such as one of the terminal device 110, the terminal device 120 and the terminal device 130 as shown in Fig. 1.
  • a terminal device such as one of the terminal device 110, the terminal device 120 and the terminal device 130 as shown in Fig. 1.
  • the method 700 will be described with reference to Fig. 1 as performed by the terminal device 110 without loss of generality.
  • the terminal device 110 determines a PSFCH resource in a PSFCH transmission occasion associated with a feedback window.
  • the feedback window comprises a set of candidate PSSCH reception occasions.
  • the terminal device 110 generates sidelink HARQ feedback information associated with the candidate PSSCH reception occasions in the set.
  • the terminal device 110 transmits the sidelink HARQ feedback information in the PSFCH resource.
  • the terminal device 110 may determine the PSFCH resource that comprises a first number of RBs or interlaces and that is associated with a sub-channel.
  • the sub-channel comprises a second number of RBs or interlaces and the first number is less than or equal to the second number.
  • interlace and “IRB” may be used interchangeably.
  • the IRBs comprised in the PSFCH resource are IRBs in a subset of IRBs comprised in the sub-channel, or the RBs comprised in the PSFCH resource are RBs in a subset of RBs comprised in the sub-channel.
  • the IRBs comprised in the PSFCH resource starts from a starting IRB comprised in the sub-channel, or RBs comprised in the PSFCH resource starts from a starting RB comprised in the sub-channel.
  • the IRBs comprised in the PSFCH resource may be consecutive IRBs. It shall be understood that the “consecutive IRBs” in the present disclosure refer to IRBs with consecutive indexes.
  • the IRBs comprised in the PSFCH resource may be logically consecutive IRBs. It shall be understood that the “logically consecutive IRBs” in the present disclosure refer to IRBs with non-consecutive indexes.
  • the IRBs comprised in the PSFCH resource may be logically consecutive IRBs. It shall be understood that the “logically consecutive IRBs” in the present disclosure refer to IRBs within a sub-channel.
  • the terminal device 110 may determine the first number based on at least one of the following:
  • the terminal device 110 may determine a fourth number of subsets within the PSFCH resource.
  • the PSFCH resource may be divided into or comprise the fourth number of subsets.
  • Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises a third number of RBs or IRBs.
  • the terminal device 110 may determine the third number based on at least one of the following:
  • the terminal device 110 may determine, in an increasing order of indexes of starting RBs or starting IRBs comprised in the subsets, indexes of the subsets within the PSFCH resource.
  • the PSFCH resource is divided into two subsets.
  • a starting RB in one subset is RB #3 and a starting RB in the other subset is RB #7.
  • the terminal device 110 may determine an index of the subset comprising the RB #3 to be 0 and an index of the subset comprising the RB #7 to be 1.
  • the terminal device 110 may determine, in an increasing order of indexes of RBs or IRBs comprised in each of the subsets, indexes of the subsets within the PSFCH resource.
  • each of the subsets within the PSFCH resource is associated with one of the candidate PSSCH reception occasions, from a starting one of the subsets within the PSFCH resource, in an increasing order of the indexes of the subsets, each of the subsets may be associated with one of the candidate PSSCH reception occasions from a starting one of the candidate PSSCH reception occasions in the set.
  • the terminal device 110 may transmit sidelink HARQ feedback information associated with a first candidate PSSCH reception occasion in the set on a first subset within the PSFCH resource associated with the first candidate PSSCH reception occasion.
  • the terminal device 110 may determine, within RBs comprised in the PSFCH resource, from a lowest RB and in an increasing order of indexes of the RBs, every the third number of RBs as one of the subsets.
  • Figs. 8A, 8B, 8C and 8D illustrate an example of a PSFCH resource in accordance with some embodiments of the present disclosure, respectively.
  • a PSFCH resource comprises RBs which are associated with a sub-channel, where is greater than one.
  • the RBs are divided into the fourth number of subsets.
  • Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises a third number of RBs.
  • the terminal device 110 determines every the third number of RBs as one of the subsets.
  • the number of RBs in one subset is represented by l, where l is equal to or greater than one.
  • the feedback window comprises M candidate PSSCH reception occasions, where M represents the number of the candidate PSSCH reception occasions within the feedback window.
  • the terminal device 110 may determine, based on sidelink resource configuration, indexes of the candidate PSSCH reception occasions. For example, the terminal device 110 may determine the indexes as a set of indexes of the candidate PSSCH reception occasions.
  • the feedback window is associated with a PSFCH transmission occasion in slot #n F .
  • a PSFCH resource in the PSFCH transmission occasion in slot #n F is associated with a sub-channel #c.
  • the number of RBs in one subset within the PSFCH resource is equal to one. In other words, a single RB is used for each candidate PSSCH reception occasion.
  • the lowest RB in the PSFCH resource is used for carrying sidelink HARQ feedback information associated with the sub-channel in a starting candidate PSSCH reception occasion within the feedback window.
  • M RBs are used for carrying sidelink HARQ feedback information associated with the candidate PSSCH reception occasions in M f .
  • a dedicated RB within a PSFCH resource is assigned for each corresponding candidate PSSCH reception occasion.
  • the example of Fig. 8B is similar to the example of Fig. 8A.
  • the example of Fig. 8B is different from the example of Fig. 8A in that in the example of Fig. 8B,
  • the number of RBs comprised in a PSFCH resource is equal to eight, i.e.,
  • the terminal device 110 may determine remaining RBs within the PSFCH resource.
  • the number of the remaining RBs is equal to a difference between the number of the RBs in the PSFCH resource and the number of the candidate PSSCH reception occasions. That is, the number of the remaining RBs is equal to i.e., 4.
  • the terminal device 110 may transmit a padding signal on the remaining RBs.
  • the terminal device 110 may transmit sidelink HARQ feedback information associated with at least part of the candidate PSSCH reception occasions on the remaining RBs.
  • the terminal device 110 may transmit the sidelink HARQ feedback information on the remaining RBs. For example, as shown in a part (b) of Fig. 8B, from the starting candidate PSSCH reception occasion #0, in an order of the indexes of the candidate PSSCH reception occasions in M f , the terminal device 110 transmits repetitions of sidelink HARQ feedback information associated with the candidate PSSCH reception occasions #0, #1, #2 and #3. In this way, the HARQ feedback performance may be further improved.
  • the remaining RBs may be reserved, or the remaining RBs may be not used for carrying sidelink HARQ feedback information or sidelink signal.
  • the number of RBs in one subset is greater than one.
  • l RBs are used for each candidate PSSCH reception occasion, where l is greater than one.
  • the terminal device 110 may determine every l RBs as one of the subsets.
  • M*l RBs are used for the sub-channel in the candidate PSSCH reception occasions in M f .
  • l may be pre-defined, configured or pre-configured. In some embodiments, l may be determined based on at least one of the following: a sidelink resource pool configuration, a sidelink channel configuration, or a sidelink HARQ feedback configuration.
  • the sidelink resource pool configuration may indicate the number of IRBs comprised in one sub-channel.
  • the sidelink channel configuration may indicate at least one of the following: a period (P) of PSFCH resources, or the number of the RBs comprised in the PSFCH resource.
  • the sidelink HARQ feedback configuration may indicate the number (M) of the candidate PSSCH reception occasions in the set.
  • l may be determined based on one of the following:
  • l represents the number of RBs in each of the subsets in the PSFCH resource
  • M represents the number of candidate PSSCH reception occasions in the set
  • P represents a period of PSFCH resources
  • C represents the number of IRBs in a sub-channel.
  • each (logical) consecutive l RBs are used for a corresponding candidate PSSCH reception occasion.
  • a plurality of dedicated RBs within a PSFCH resource are assigned for each corresponding candidate PSSCH reception occasion.
  • l*M (i.e., 4l) RBs are used for the sub-channel #C in the candidate PSSCH reception occasions within M f .
  • Fig. 8D is similar to the example of Fig. 8C.
  • the example of Fig. 8D is different from the example of Fig. 8C in that in the example of Fig. 8D, This example provides more RBs and flexibility of HARQ feedback information format.
  • the terminal device 110 may determine remaining RBs within the PSFCH resource. The number of the remaining RBs is equal to The terminal device 110 may transmit a padding signal on the remaining RBs.
  • the PSFCH resource may comprise the first number of IRBs and may be associated with a sub-channel.
  • the sub-channel may comprise the second number of IRBs.
  • the first number of IRBs in the PSFCH resource is represented by C F and the second number of IRBs in the sub-channel is represented by C.
  • the first number may be less than or equal to the second number, i.e., 1 ⁇ C F ⁇ C.
  • Sub-channel resource allocation may be determined according to sidelink resource pool configuration.
  • mapping between a sub-channel and a PSFCH resource will be described with reference to Figs. 9A and 9B.
  • Figs. 9A and 9B illustrate an example of a PSFCH resource in accordance with some embodiments of the present disclosure, respectively.
  • each of the first number (C F ) of IRBs in the PSFCH resource and the second number (C) of IRBs in the sub-channel is equal to one.
  • the PSFCH resource associated with the sub-channel uses the same IRB of the sub-channel.
  • the associated PSFCH resource is in slot #n F with the same IRB of the sub-channel, i.e., IRB #c 0 .
  • the associated PSFCH is in slot #n F with the same IRB of the sub-channel, i.e., IRB #c 4 .
  • the first number (C F ) of IRBs in the PSFCH resource is less than or equals to the second number (C) of IRBs in the sub-channel.
  • the C F IRBs in the PSFCH resource start from a starting IRB comprised in the sub-channel.
  • the PSFCH resource comprises 1 IRB, e.g., IRB #c 0 .
  • C F 1, which is a system predefined fixed value.
  • the PSFCH resource comprises C IRBs, i.e., IRB # [c 0 , c 1 , ..., c C-1 ] .
  • C F C, which is determined according to sub-channel configuration.
  • the PSFCH resource comprises C F IRBs, e.g., IRB # [c 0 , c 1 , ..., c CF-1 ] .
  • C F 2, which is pre-configured per resource pool.
  • This example may provide more resource flexibility for PSFCH resource.
  • the C F IRBs in the PSFCH resource may start from other IRB than the starting IRB comprised in the sub-channel.
  • the scope of the present disclosure is not limited in this regard.
  • the C F IRBs in the PSFCH resource may use different IRB with IRBs comprised in the sub-channel.
  • the terminal device 110 may determine the first number (C F ) as one of the following:
  • ⁇ C F C PSFCH / (P*C sub ) , or or
  • ⁇ C F C PSFCH / (P*C sub *M) , or or
  • ⁇ C F C PSFCH / (P*C sub *C) , or or
  • ⁇ C F C PSFCH / (P*C sub *M*C) , or or
  • ⁇ C F C IRB / (P*C sub *M*C) , or or
  • ⁇ C F C RBset *C IRB / (P*C sub *M) , or or
  • ⁇ C F C RBset *C IRB / (P*C sub *C) , or or
  • ⁇ C F C RBset *C IRB / (P*C sub *M*C) , or or
  • ⁇ C represents the number of IRBs contained in one sub-channel
  • ⁇ C PSFCH represents the number of IRBs used for PSFCH resources in a resource pool
  • ⁇ C sub represents the number of sub-channels in the resource pool
  • ⁇ C IRB represents the number of IRBs in the resource pool
  • ⁇ C RBset represents the number of RB sets in the resource pool
  • ⁇ P represents a period of PSFCH resources
  • ⁇ M represents the number of the candidate PSSCH reception occasions in the set M f .
  • RBs comprised in the IRB in the PSFCH resource are logical consecutive resources for the PSFCH resource.
  • the number of RBs comprised in the PSFCH may be determined as one of the following:
  • C RBset represents the number of RB sets in a resource pool.
  • the RBs in the PSFCH resource may be divided into the fourth number of subsets.
  • Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises l RBs.
  • the lowest RB in the PSFCH resource is used for carrying sidelink HARQ feedback information associated with the sub-channel in a starting candidate PSSCH reception occasion.
  • the terminal device 110 may determine every l RBs as one of the subsets.
  • M*l RBs are used for the sub-channel in the candidate PSSCH reception occasions in M f .
  • l may be pre-defined, configured or pre-configured. In some embodiments, l may be determined based on at least one of the following: a sidelink resource pool configuration, a sidelink channel configuration, or a sidelink HARQ feedback configuration.
  • the sidelink resource pool configuration may indicate the number (C) of IRBs comprised in one sub-channel.
  • the sidelink channel configuration may indicate at least one of the following: a period (P) of PSFCH resources, or the number of the RBs comprised in the PSFCH resource.
  • the sidelink HARQ feedback configuration may indicate the number (M) of the candidate PSSCH reception occasions in the set.
  • l may be determined based on one of the following:
  • l represents the number of RBs in each of the subsets in the PSFCH resource
  • M represents the number of candidate PSSCH reception occasions in the set
  • P represents a period of PSFCH resources
  • C represents the number of IRBs in a sub-channel.
  • Figs. 10A and 10B illustrate an example of a PSFCH resource in accordance with some embodiments of the present disclosure.
  • a PSFCH resource comprises one IRB, for example, IRB#1.
  • the RBs are divided into the fourth number of subsets.
  • Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises l RBs.
  • the terminal device 110 determines every l RBs as one of the subsets, where l is equal to or greater than one.
  • the feedback window is associated with a PSFCH transmission occasion in slot #n F .
  • the number of RBs in one subset within the PSFCH resource is equal to one. In other words, a single RB is used for each candidate PSSCH reception occasion.
  • the lowest RB in the PSFCH resource is used for carrying sidelink HARQ feedback information associated with the sub-channel in a starting candidate PSSCH reception occasion.
  • M RBs are used for carrying sidelink HARQ feedback information associated with the candidate PSSCH reception occasions in M f .
  • This example supports IRB based PSFCH resource.
  • sidelink HARQ feedback information of PSSCH reception occasions within the feedback window may be multiplexed in one PSFCH resource.
  • the terminal device 110 may determine remaining RBs within the PSFCH resource. The number of the remaining RBs is equal to As shown in a part (a) of Fig. 10A, the terminal device 110 may transmit a padding signal on the remaining RBs. Alternatively, as shown in a part (b) of Fig. 10A, the terminal device 110 may transmit sidelink HARQ feedback information associated with at least part of the candidate PSSCH reception occasions on the remaining RBs.
  • the number of RBs in one subset is greater than one.
  • l RBs are used for each candidate PSSCH reception occasion, where l is greater than one.
  • the terminal device 110 may determine every l RBs as one of the subsets.
  • the terminal device 110 may determine remaining RBs within the PSFCH resource. The number of the remaining RBs is equal to As shown in a part (b) of Fig. 10B, the terminal device 110 may transmit a padding signal on the remaining RBs. This example provides more RBs and flexibility of HARQ feedback information format.
  • the PSFCH resource comprises the first number (C F ) of IRBs and C F is greater than 1
  • RBs comprised in the C F IRBs are logical consecutive resources for the PSFCH resource.
  • the number of RBs comprised in the C F IRBs may be determined as one of the following:
  • C RBset represents the number of RB sets in a resource pool.
  • the RBs in the PSFCH resource may be divided into the fourth number of subsets.
  • Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises l RBs.
  • the lowest RB in the PSFCH resource is used for carrying sidelink HARQ feedback information associated with the sub-channel in a starting candidate PSSCH reception occasion.
  • Figs. 10C and 10D illustrate an example of a PSFCH resource in accordance with some embodiments of the present disclosure.
  • the PSFCH resource comprises IRBs #1 and #2.
  • the RBs are divided into the fourth number of subsets. Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises l RBs.
  • the terminal device 110 determines every l RBs as one of the subsets, where l is equal to or greater than one.
  • the feedback window comprises M candidate PSSCH reception occasions.
  • the feedback window is associated with a PSFCH transmission occasion in slot #n F .
  • the number of RBs in one subset within the PSFCH resource is equal to one. In other words, a single RB is used for each candidate PSSCH reception occasion.
  • the lowest RB in the PSFCH resource is used for carrying sidelink HARQ feedback information associated with the sub-channel in a starting candidate PSSCH reception occasion.
  • M RBs are used for carrying sidelink HARQ feedback information associated with the candidate PSSCH reception occasions in M f .
  • This example supports IRB based PSFCH resource.
  • sidelink HARQ feedback information of PSSCH reception occasions within the feedback window may be multiplexed in one PSFCH resource.
  • the terminal device 110 may determine remaining RBs within the PSFCH resource. The number of the remaining RBs is equal to As shown in a part (a) of Fig. 10C, the terminal device 110 may transmit a padding signal on the remaining RBs. Alternatively, as shown in a part (b) of Fig. 10C, the terminal device 110 may transmit sidelink HARQ feedback information associated with at least part of the candidate PSSCH reception occasions on the remaining RBs.
  • the number of RBs in one subset is greater than one.
  • l RBs are used for each candidate PSSCH reception occasion, where l is greater than one.
  • the terminal device 110 may determine every l RBs as one of the subsets.
  • P represents a period of PSFCH resources in a resource pool.
  • the terminal device 110 may determine remaining RBs within the PSFCH resource.
  • the number of the remaining RBs is equal to
  • the terminal device 110 may transmit a padding signal on the remaining RBs. This example provides more RBs and flexibility of HARQ feedback information format.
  • the terminal device 110 may determine, within the IRBs comprised in the PSFCH resource, from a lowest IRB, in an increasing order of indexes of the IRBs, every the third number of IRBs as one of the subsets.
  • the C F IRBs in the PSFCH resource may be divided into the fourth number of subsets.
  • Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises l IRBs.
  • a starting IRB in the PSFCH resource is used for carrying sidelink HARQ feedback information associated with the sub-channel in a starting candidate PSSCH reception occasion.
  • Fig. 10E illustrates an example of a PSFCH resource in accordance with some embodiments of the present disclosure.
  • the PSFCH resource comprises IRBs #0, #1, #2 and #3.
  • the feedback window comprises M candidate PSSCH reception occasions.
  • the feedback window is associated with a PSFCH transmission occasion in slot #n F .
  • the four IRBs in the PSFCH resource are divided into four subsets. Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises one IRB.
  • the terminal device 110 determines one IRB as one of the subsets.
  • the IRBs #0, #1, #2 and #3 are associated with the candidate PSSCH reception occasions with indexes 0, 1, 2 and 3 in M f .
  • This example provides more RBs and flexibility of HARQ feedback information format.
  • Fig. 10F illustrates an example of a PSFCH resource in accordance with some embodiments of the present disclosure.
  • the PSFCH resource comprises IRBs #9, #0, #1 and #2.
  • the feedback window comprises M candidate PSSCH reception occasions.
  • the feedback window is associated with a PSFCH transmission occasion in slot #n F .
  • the four IRBs in the PSFCH resource are divided into two subsets.
  • Each of the subsets is associated with one of the candidate PSSCH reception occasions, and each of the subsets comprises l IRBs.
  • l may be determined based on one of the following:
  • ⁇ l C F /M, or or
  • ⁇ l C F /P, or or
  • ⁇ l C F / (M*P) , or or or
  • l represents the number of IRBs which is associated with one of the candidate PSSCH reception occasions or the number of IRBs in one subset
  • C F represents the number of the IRBs in the PSFCH resource
  • M represents the number of the candidate PSSCH reception occasions in the set M f ;
  • P represents a period of PSFCH resources
  • C represents the number of IRBs in one sub-channel.
  • the terminal device 110 determines every two IRB as one of the subsets.
  • the IRBs #9 and #0 are associated with the candidate PSSCH reception occasion with an index #0 in M f
  • the IRBs #1 and #2 are associated with the candidate PSSCH reception occasion with an index #1 in M f .
  • This example provides more RBs and flexibility of HARQ feedback information format.
  • the terminal device 110 may generate at least one of the following:
  • ⁇ a positive acknowledge (ACK or A) in response to a success of a PSSCH reception within a first candidate PSSCH reception occasion in the set;
  • NACK or N a negative acknowledge in response to a failure of a PSSCH reception within a second candidate PSSCH reception occasion in the set
  • Fig. 11 illustrates examples of generation of sidelink HARQ feedback information in accordance with some embodiments of the present disclosure.
  • a for each candidate PSSCH reception occasion, at most one transmission block (TB) is received on each sub-channel and one sidelink HARQ feedback bit for each TB. In other words, TB based feedback is generated.
  • the terminal device 110 for each of the candidate PSSCH reception occasions in slots #n, n+3, the terminal device 110 generates A/N according to PSSCH reception result. For other PSSCH reception occasions, NACK is generated.
  • the terminal device 110 For each of the candidate PSSCH reception occasions in slots #n, n+3, the terminal device 110 generates A/N according to PSSCH reception result. For other PSSCH reception occasions, because there is no PSSCH reception, NAN is generated.
  • sequence based PSFCH format may be used to carry HARQ feedback information.
  • Using sequence based PSFCH format can multiplex HARQ information feedback for more PSSCH receptions. In addition, it can provide more transmission opportunities for HARQ information in unlicensed spectrum.
  • the terminal device 110 may generate sequences by using different cyclic shifts (CS) .
  • CS cyclic shifts
  • Each of the cyclic shifts is associated with one of ACK, NACK and NAN.
  • Table 1 shows an example of different CS for ACK, NACK and NAN.
  • cyclic shifts 4, 0 and 8 are associated with ACK, NACK and NAN, respectively.
  • Table 2 shows another example of different CS for ACK, NACK and NAN.
  • cyclic shifts 0, 8 and 4 are associated with ACK, NACK and NAN, respectively.
  • the terminal device 110 may perform the following:
  • mapping a third one of the sequences associated with the NAN to a subset within the PSFCH resource associated with the candidate PSSCH reception occasion.
  • Fig. 12A illustrates an example of generation and mapping of sidelink HARQ feedback information in accordance with some embodiments of the present disclosure.
  • a PSFCH resource comprises the first number of RBs.
  • the feedback window comprises four candidate PSSCH reception occasions.
  • the feedback window is associated with a PSFCH transmission occasion in slot #n F .
  • a PSFCH resource in the PSFCH transmission occasion in slot #n F is associated with a sub-channel #c.
  • the first number of RBs in the PSFCH resource is divided into four subsets 1210, 1212, 1214 and 1214.
  • the subsets 1210, 1212, 1214 and 1214 are associated with candidate PSSCH reception occasions with indexes 0, 1, 2 and 3 in M f , respectively.
  • Each of the subsets 1210, 1212, 1214 and 1214 comprises one or more RBs.
  • the terminal device 110 For the candidate PSSCH reception occasion with the index 0, the terminal device 110 generates a first sequence by using a cyclic shift of 4 which is associated with ACK. In turn, the terminal device 110 maps the first sequence to the subset 1210.
  • the terminal device 110 For each of the candidate PSSCH reception occasions with the indexes 1 and 3, the terminal device 110 generates a third sequence by using a cyclic shift of 8 which is associated with NAN. In turn, the terminal device 110 maps the third sequence to the subsets 1212 and 1216.
  • the terminal device 110 For the candidate PSSCH reception occasion with the index 2, the terminal device 110 generates a second sequence by using a cyclic shift of 0 which is associated with NACK. In turn, the terminal device 110 maps the second sequence to the subset 1214.
  • the terminal device 110 may perform the following:
  • the terminal device 110 may generate sequences by using two different cyclic shifts.
  • One of the cyclic shifts is associated with ACK and the other cyclic shift is associated with NACK and NAN.
  • Table 3 shows an example of different CS for ACK and NACK/NAN.
  • a cyclic shift 6 is associated with ACK, and a cyclic shift 0 is associated with NACK and NAN.
  • Fig. 12B illustrates another example of generation and mapping of sidelink HARQ feedback information in accordance with some embodiments of the present disclosure.
  • the example of Fig. 12B is similar to the example of Fig. 12A.
  • the example of Fig. 12B is different from the example of Fig. 12A in the following.
  • the terminal device 110 For the candidate PSSCH reception occasion with the index 0, the terminal device 110 generates a fourth sequence by using a cyclic shift of 6 which is associated with ACK. In turn, the terminal device 110 maps the fourth sequence to the subset 1210.
  • the terminal device 110 For each of the candidate PSSCH reception occasions with the indexes 1, 2 and 3, the terminal device 110 generates a fifth sequence by using a cyclic shift of 0 which is associated with NACK and NAN. In turn, the terminal device 110 maps the fifth sequence to the subsets 1212, 1214 and 1216.
  • the terminal device 110 may generate sequences by using different cyclic shifts. Each of the cyclic shifts is associated with one of ACK and NACK.
  • the terminal device 110 may generate a padding signal associated with NAN.
  • the padding signal may be a fixed sequence.
  • the terminal device 110 may perform the following:
  • sidelink HARQ feedback information associated with candidate PSSCH reception occasions in different feedback windows may be multiplexed on the same PSFCH resource. This will be described with reference to Fig. 12C.
  • Fig. 12C illustrates an example of generation and mapping of sidelink HARQ feedback information in accordance with some embodiments of the present disclosure.
  • a feedback window #0 comprises four candidate PSSCH reception occasions with indexes c-0, c-1, c-2 and c-3.
  • the feedback window #0 is associated with a PSFCH transmission occasion in slot #n F .
  • a PSFCH resource in the PSFCH transmission occasion in slot #n F is associated with a sub-channel #c.
  • a feedback window #1 comprises four candidate PSSCH reception occasions with indexes c-1, c-2, c-3 and c-4.
  • the feedback window #1 is associated with a PSFCH transmission occasion in slot #n F+1 .
  • a PSFCH resource in the PSFCH transmission occasion in slot #n F+1 is also associated with a sub-channel #c.
  • the PSFCH resources in slots #n F and #n F +1 have overlapped feedback windows.
  • the terminal device 110 may try to transmit sidelink HARQ information in the PSFCH resource in slot #n F +1.
  • bit based PSFCH format may be used to carry HARQ feedback information.
  • the terminal device 110 may generate a bit “1” for ACK and a bit “0” NACK/NAN.
  • NAN uses the same bit meaning with NACK.
  • the terminal device 110 may use PUCCH format 1, 2, 3 and 4 to carry HARQ feedback information for each associated PSSCH reception occasion respectively.
  • the terminal device 110 may map relevant one or more bits to at least one RB or IRB in the PSFCH resource for associated PSSCH reception occasion.
  • bit based PSFCH format more sidelink HARQ feedback format (PSFCH format) can be used to multiplex HARQ information for more PSSCH receptions.
  • Fig. 13 is a simplified block diagram of a device 1300 that is suitable for implementing some embodiments of the present disclosure.
  • the device 1300 can be considered as a further example embodiment of the terminal device 110 as shown in Fig. 1. Accordingly, the device 1300 can be implemented at or as at least a part of the terminal device 110.
  • the device 1300 includes a processor 1310, a memory 1320 coupled to the processor 1310, a suitable transmitter (TX) and receiver (RX) 1340 coupled to the processor 1310, and a communication interface coupled to the TX/RX 1340.
  • the memory 1320 stores at least a part of a program 1330.
  • the TX/RX 1340 is for bidirectional communications.
  • the TX/RX 1340 has at least one antenna to facilitate communication, though in practice an Access Node mentioned in this application may have several ones.
  • the communication interface may represent any interface that is necessary for communication with other network elements, such as X2 interface for bidirectional communications between gNBs or eNBs, S1 interface for communication between a Mobility Management Entity (MME) /Serving Gateway (S-GW) and the gNB or eNB, Un interface for communication between the gNB or eNB and a relay node (RN) , or Uu interface for communication between the gNB or eNB and a terminal device.
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • Un interface for communication between the gNB or eNB and a relay node (RN)
  • Uu interface for communication between the gNB or eNB and a terminal device.
  • the program 1330 is assumed to include program instructions that, when executed by the associated processor 1310, enable the device 1300 to operate in accordance with the embodiments of the present disclosure, as discussed herein with reference to Figs. 1 to 12.
  • the embodiments herein may be implemented by computer software executable by the processor 1310 of the device 1300, or by hardware, or by a combination of software and hardware.
  • the processor 1310 may be configured to implement various embodiments of the present disclosure.
  • a combination of the processor 1310 and memory 1320 may form processing means 1350 adapted to implement various embodiments of the present disclosure.
  • the memory 1320 may be of any type suitable to the local technical network and may be implemented using any suitable data storage technology, such as a non-transitory computer readable storage medium, semiconductor based memory devices, magnetic memory devices and systems, optical memory devices and systems, fixed memory and removable memory, as non-limiting examples. While only one memory 1320 is shown in the device 1300, there may be several physically distinct memory modules in the device 1300.
  • the processor 1310 may be of any type suitable to the local technical network, and may include one or more of general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on multicore processor architecture, as non-limiting examples.
  • the device 1300 may have multiple processors, such as an application specific integrated circuit chip that is slaved in time to a clock which synchronizes the main processor.
  • the components included in the apparatuses and/or devices of the present disclosure may be implemented in various manners, including software, hardware, firmware, or any combination thereof.
  • one or more units may be implemented using software and/or firmware, for example, machine-executable instructions stored on the storage medium.
  • parts or all of the units in the apparatuses and/or devices may be implemented, at least in part, by one or more hardware logic components.
  • FPGAs Field-programmable Gate Arrays
  • ASICs Application-specific Integrated Circuits
  • ASSPs Application-specific Standard Products
  • SOCs System-on-a-chip systems
  • CPLDs Complex Programmable Logic Devices
  • various embodiments of the present disclosure may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. Some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device. While various aspects of embodiments of the present disclosure are illustrated and described as block diagrams, flowcharts, or using some other pictorial representation, it will be appreciated that the blocks, apparatus, systems, techniques or methods described herein may be implemented in, as non-limiting examples, hardware, software, firmware, special purpose circuits or logic, general purpose hardware or controller or other computing devices, or some combination thereof.
  • the present disclosure also provides at least one computer program product tangibly stored on a non-transitory computer readable storage medium.
  • the computer program product includes computer-executable instructions, such as those included in program modules, being executed in a device on a target real or virtual processor, to carry out the process or method as described above with reference to any of Figs. 1 to 12.
  • program modules include routines, programs, libraries, objects, classes, components, data structures, or the like that perform particular tasks or implement particular abstract data types.
  • the functionality of the program modules may be combined or split between program modules as desired in various embodiments.
  • Machine-executable instructions for program modules may be executed within a local or distributed device. In a distributed device, program modules may be located in both local and remote storage media.
  • Program code for carrying out methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowcharts and/or block diagrams to be implemented.
  • the program code may execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
  • the above program code may be embodied on a machine readable medium, which may be any tangible medium that may contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
  • the machine readable medium may be a machine readable signal medium or a machine readable storage medium.
  • a machine readable medium may include but not limited to an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing.
  • machine readable storage medium More specific examples of the machine readable storage medium would include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM) , a read-only memory (ROM) , an erasable programmable read-only memory (EPROM or Flash memory) , an optical fiber, a portable compact disc read-only memory (CD-ROM) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
  • RAM random access memory
  • ROM read-only memory
  • EPROM or Flash memory erasable programmable read-only memory
  • CD-ROM portable compact disc read-only memory
  • magnetic storage device or any suitable combination of the foregoing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente divulgation concernent un procédé, un dispositif et des supports lisibles par ordinateur destinés aux communications. Un procédé de communication consiste à : déterminer, au niveau d'un premier dispositif terminal, une ressource de canal de physique de retour de liaison latérale (PSFCH) dans une occasion de transmission sur PSFCH associée à une fenêtre de retour, la fenêtre de retour comprenant un ensemble d'occasions candidates de réception sur canal physique partagé de liaison latérale (PSSCH) ; générer des informations de retour HARQ de liaison latérale associées aux occasions candidates de réception sur PSSCH dans l'ensemble ; et transmettre les informations de retour HARQ de liaison latérale dans la ressource PSFCH.
PCT/CN2022/087101 2022-04-15 2022-04-15 Procédé, dispositif et support lisible par ordinateur destinés aux communications WO2023197301A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/087101 WO2023197301A1 (fr) 2022-04-15 2022-04-15 Procédé, dispositif et support lisible par ordinateur destinés aux communications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/087101 WO2023197301A1 (fr) 2022-04-15 2022-04-15 Procédé, dispositif et support lisible par ordinateur destinés aux communications

Publications (1)

Publication Number Publication Date
WO2023197301A1 true WO2023197301A1 (fr) 2023-10-19

Family

ID=88328629

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/087101 WO2023197301A1 (fr) 2022-04-15 2022-04-15 Procédé, dispositif et support lisible par ordinateur destinés aux communications

Country Status (1)

Country Link
WO (1) WO2023197301A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111800872A (zh) * 2019-04-05 2020-10-20 株式会社Kt 发射和接收侧链路harq反馈信息的方法和装置
CN112930658A (zh) * 2018-11-02 2021-06-08 创新技术实验室株式会社 在nr v2x系统中执行harq反馈过程的方法及设备
US20210203453A1 (en) * 2019-06-27 2021-07-01 Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) Sidelink harq feedback transmission method and device thereof
US20210250136A1 (en) * 2020-02-12 2021-08-12 Apple Inc. Sidelink HARQ
CN114144983A (zh) * 2019-07-18 2022-03-04 日本电气株式会社 侧链路传输中的harq反馈的报告

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112930658A (zh) * 2018-11-02 2021-06-08 创新技术实验室株式会社 在nr v2x系统中执行harq反馈过程的方法及设备
CN111800872A (zh) * 2019-04-05 2020-10-20 株式会社Kt 发射和接收侧链路harq反馈信息的方法和装置
US20210203453A1 (en) * 2019-06-27 2021-07-01 Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) Sidelink harq feedback transmission method and device thereof
CN114144983A (zh) * 2019-07-18 2022-03-04 日本电气株式会社 侧链路传输中的harq反馈的报告
US20210250136A1 (en) * 2020-02-12 2021-08-12 Apple Inc. Sidelink HARQ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
APPLE: "Remaining Details on Physical Layer Procedures for NR V2X Sidelink", 3GPP DRAFT; R1-2000853, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20200224 - 20200306, 15 February 2020 (2020-02-15), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051853471 *

Similar Documents

Publication Publication Date Title
WO2023102846A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2023184273A1 (fr) Procédé, dispositif, et support de stockage informatique destinés à la communication
WO2023197301A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2023193249A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2023159360A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2023123439A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2024119312A1 (fr) Procédé, dispositif et support lisible par ordinateur pour communications de liaison latérale
WO2023141882A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2023137638A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2024060100A1 (fr) Procédé, dispositif et support lisible par ordinateur pour des communications
WO2024092579A1 (fr) Procédé, dispositif et support lisible par ordinateur pour communications de liaison latérale
WO2023236178A1 (fr) Procédé, dispositif et support lisible par ordinateur pour des communications de liaison latérale
WO2024016132A1 (fr) Procédé, dispositif et support lisible par ordinateur pour communications en liaison latérale
WO2024000584A1 (fr) Procédé, dispositif et support lisible par ordinateur pour communication sur liaison latérale
WO2023245677A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications de liaison latérale
WO2023240569A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications de liaison latérale
WO2024020905A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications de liaison latérale
WO2024092846A1 (fr) Procédé, dispositif et support lisible par ordinateur pour des communications de liaison latérale
WO2023070592A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2023201465A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2023201472A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications
WO2023123282A1 (fr) Procédé, dispositif et support lisible par ordinateur pour des communications
WO2024040449A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications de liaison latérale
WO2024092843A1 (fr) Procédés, dispositifs et support de communication
WO2023092599A1 (fr) Procédé, dispositif et support lisible par ordinateur destinés aux communications

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22936946

Country of ref document: EP

Kind code of ref document: A1