WO2023029034A1 - Procédés, appareils et supports lisibles par ordinateur pour une communication de liaison latérale - Google Patents

Procédés, appareils et supports lisibles par ordinateur pour une communication de liaison latérale Download PDF

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Publication number
WO2023029034A1
WO2023029034A1 PCT/CN2021/116664 CN2021116664W WO2023029034A1 WO 2023029034 A1 WO2023029034 A1 WO 2023029034A1 CN 2021116664 W CN2021116664 W CN 2021116664W WO 2023029034 A1 WO2023029034 A1 WO 2023029034A1
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WO
WIPO (PCT)
Prior art keywords
physical resource
symbol
data channel
sequence based
user equipment
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PCT/CN2021/116664
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English (en)
Inventor
Yong Liu
Tao Tao
Dong Li
Naizheng ZHENG
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Nokia Shanghai Bell Co., Ltd.
Nokia Solutions And Networks Oy
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.)
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Application filed by Nokia Shanghai Bell Co., Ltd., Nokia Solutions And Networks Oy filed Critical Nokia Shanghai Bell Co., Ltd.
Priority to PCT/CN2021/116664 priority Critical patent/WO2023029034A1/fr
Priority to CN202180102115.XA priority patent/CN117917138A/zh
Publication of WO2023029034A1 publication Critical patent/WO2023029034A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • 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
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others

Definitions

  • Various embodiments relate to methods, apparatuses, and computer readable media for sidelink communication.
  • an occupied channel bandwidth (OCB) should be between 80%and 100%of a declared nominal channel bandwidth (NCB)
  • COT channel occupancy time
  • an equipment may operate temporarily with an OCB of less than 80%of its NCB with a minimum of 2 MHz.
  • a method performed by a user equipment device may include transmitting a data channel and at least one sequence based signal according to a configuration, wherein a frequency band may be divided into a plurality of clusters, on a plurality of first symbols for the data channel, and each of the plurality of clusters may include a plurality of physical resource blocks, in which one physical resource block may be for the data channel, a plurality of consecutive physical resource blocks may be allocated for the at least one sequence based signal, on at least one second symbol for the at least one sequence based signal, and the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel may be different from one physical resource block for a data channel of another user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the another user equipment device.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • the method may include dividing a frequency band into a plurality of clusters, on a plurality of first symbols for a data channel of a first user equipment device, each of the plurality of clusters comprising a plurality of physical resource blocks, in which one physical resource block may be for the data channel of the first user equipment device; and allocating a plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device, on at least one second symbol for at least one sequence based signal of the first user equipment device, wherein the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel of the first user equipment device may be different from one physical resource block for a data channel of a second user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the second user equipment device.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • the apparatus may include at least one processor and at least one memory.
  • the at least one memory may include computer program code, and the at least one memory and the computer program code may be configured to, with the at least one processor, cause the apparatus as a user equipment device to perform transmitting a data channel and at least one sequence based signal according to a configuration, wherein a frequency band may be divided into a plurality of clusters, on a plurality of first symbols for the data channel, and each of the plurality of clusters may comprise a plurality of physical resource blocks, in which one physical resource block may be for the data channel, a plurality of consecutive physical resource blocks may be allocated for the at least one sequence based signal, on at least one second symbol for the at least one sequence based signal, and the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel may be different from one physical resource block for a data channel of another user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the another user equipment device.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • the apparatus may include at least one processor and at least one memory.
  • the at least one memory may include computer program code, and the at least one memory and the computer program code may be configured to, with the at least one processor, cause the apparatus to perform dividing a frequency band into a plurality of clusters, on a plurality of first symbols for a data channel of a first user equipment device, each of the plurality of clusters comprising a plurality of physical resource blocks, in which one physical resource block may be for the data channel of the first user equipment device, and allocating a plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device, on at least one second symbol for at least one sequence based signal of the first user equipment device, wherein the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel of the first user equipment device may be different from one physical resource block for a data channel of a second user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the second user equipment device.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • the apparatus as a user equipment device may include means for transmitting a data channel and at least one sequence based signal according to a configuration, wherein a frequency band may be divided into a plurality of clusters, on a plurality of first symbols for the data channel, and each of the plurality of clusters may comprise a plurality of physical resource blocks, in which one physical resource block is for the data channel, a plurality of consecutive physical resource blocks may be allocated for the at least one sequence based signal, on at least one second symbol for the at least one sequence based signal, and the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel may be different from one physical resource block for a data channel of another user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the another user equipment device.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • the apparatus may include means for dividing a frequency band into a plurality of clusters, on a plurality of first symbols for a data channel of a first user equipment device, each of the plurality of clusters comprising a plurality of physical resource blocks, in which one physical resource block may be for the data channel of the first user equipment device, and means for allocating a plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device, on at least one second symbol for at least one sequence based signal of the first user equipment device, wherein the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel of the first user equipment device may be different from one physical resource block for a data channel of a second user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the second user equipment device.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • a computer readable medium may include instructions stored thereon for causing an apparatus as a user equipment device to perform transmitting a data channel and at least one sequence based signal according to a configuration, wherein a frequency band may be divided into a plurality of clusters, on a plurality of first symbols for the data channel, and each of the plurality of clusters may comprise a plurality of physical resource blocks, in which one physical resource block may be for the data channel, a plurality of consecutive physical resource blocks may be allocated for the at least one sequence based signal, on at least one second symbol for the at least one sequence based signal, and the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel may be different from one physical resource block for a data channel of another user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the another user equipment device.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • a computer readable medium may include instructions stored thereon for causing an apparatus to perform dividing a frequency band into a plurality of clusters, on a plurality of first symbols for a data channel of a first user equipment device, each of the plurality of clusters comprising a plurality of physical resource blocks, in which one physical resource block may be for the data channel of the first user equipment device, and allocating a plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device, on at least one second symbol for at least one sequence based signal of the first user equipment device, wherein the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel of the first user equipment device may be different from one physical resource block for a data channel of a second user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the second user equipment device.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • FIG. 1 shows an exemplary sequence diagram for sidelink communication in unlicensed spectrum according to embodiments of the present disclosure.
  • FIG. 2 shows an example configuration of S-SSB structure according to an embodiment of the present disclosure.
  • FIG. 3 shows an example configuration of S-SSB structure according to an embodiment of the present disclosure.
  • FIG. 4 shows an example configuration of S-SSB structure according to an embodiment of the present disclosure.
  • FIG. 5 shows a flow chart illustrating an example method for sidelink communication according to an embodiment of the present disclosure.
  • FIG. 6 shows a flow chart illustrating an example method for sidelink communication according to an embodiment of the present disclosure.
  • FIG. 7 shows a block diagram illustrating an example apparatus for sidelink communication according to an embodiment of the present disclosure.
  • FIG. 8 shows a block diagram illustrating an example apparatus for sidelink communication according to an embodiment of the present disclosure.
  • FIG. 9 shows a block diagram illustrating an example apparatus for sidelink communication according to an embodiment of the present disclosure.
  • FIG. 10 shows a block diagram illustrating an example apparatus for sidelink communication according to an embodiment of the present disclosure.
  • Embodiments of the present disclosure provide a configuration of S-SSB structure.
  • the requirements on the S-SSB structure for sidelink communication in unlicensed spectrum may be satisfied according to the embodiments of the present disclosure.
  • FIG. 1 shows an exemplary sequence diagram for sidelink communication in unlicensed spectrum according to embodiments of the present disclosure.
  • a user equipment (UE) device 110 may be a UE device to perform the sidelink communication in unlicensed spectrum according to the configuration of S-SSB structure
  • a network apparatus 120 may be an apparatus of network side, e.g., in a base station (BS) or in a core network (CN) to determine the configuration for the UE device 110 to perform the sidelink communication in unlicensed spectrum.
  • the UE device 110 is associated with a cell the BS covers.
  • the network apparatus 120 may provide the configuration to the UE device 110.
  • the network apparatus 120 may provide the configuration to the UE device 110 via the BS.
  • the configuration may be specified in a specification or a standard.
  • FIG. 2 shows an example configuration of S-SSB 200 structure according to an embodiment of the present disclosure.
  • FIG. 3 shows an example configuration of S-SSB 300 structure according to an embodiment of the present disclosure.
  • FIG. 4 shows an example configuration of S-SSB 400 structure according to an embodiment of the present disclosure.
  • an abscissa axis refers to time domain
  • a block refers to a symbol.
  • the symbols may be, e.g., orthogonal frequency division multiplexing (OFDM) symbols.
  • 13 symbols of the S-SSB may be used for the sidelink communication, and it may be appreciated that other number, e.g., 11, 15, etc., of symbols in the configuration of S-SSB structure may be used for the sidelink communication.
  • the symbols used for the sidelink communication may be within a time slot or across more than one time slots.
  • a vertical axis refers to frequency domain, and a block in the vertical axis refers to one physical resource block (PRB) .
  • a frequency band includes 99 PRBs shown as an example in the FIG. 2 to the FIG. 4, and it may be appreciated that other number of PRBs in the configuration of S-SSB structure may be included in the frequency band used for the sidelink communication.
  • the UE device 110 e.g., the UE device 110, 11 PRBs of the S-SSB may be used for the sidelink communication, and it may be appreciated that for one UE device, other number, e.g., 9, 13, 15, etc., of PRBs in the configuration of S-SSB structure may be used for the sidelink communication.
  • the network apparatus 120 may divide a frequency band into a plurality of clusters, on a plurality of first symbols for a data channel of a first UE device, and each of the plurality of clusters may comprise a plurality of PRBs, in which one PRB may be for the data channel of the first UE device.
  • the first UE device may be, for example, the UE device 110, and the data channel may be, for example, a physical sidelink broadcast channel (PSBCH) .
  • PSBCH physical sidelink broadcast channel
  • the frequency band for UE devices including the UE device 110 to transmit the PSBCH may be divided into clusters.
  • the cluster may be a part of the frequency band, and the clusters may be of equal size.
  • the 99 PRBs included in the frequency band may be divided into 11 clusters, labelled as cluster 1, cluster 2, ising, and cluster 11, and each cluster may include 9 PRBs.
  • the OCB of the PSBCH may be between 80%and 100%of the frequency band, which may be the declared NCB.
  • the PRB is in an identical position in each of the plurality of clusters.
  • the PRB is in the third position from top of the respective cluster.
  • the PRB for the PSBCH of the UE device 110 in each of the clusters may be in other identical position, e.g., fifth, seventh, eighth, etc., position of the respective cluster.
  • the spacings between two PRBs in adjacent clusters may be set equal.
  • At least two PRBs may be in different positions in at least two clusters of the plurality of clusters.
  • the PRB in the cluster 3 for the PSBCH of the UE device 110 may be changed to another PRB in the cluster 3, and thus the PRB in the cluster 3 may be in a position different from the PRB in another cluster, e.g., the adjacent cluster 2 or cluster 4.
  • the spacings between two PRBs in adjacent clusters e.g., cluster 2 and cluster 3, or cluster 3 and cluster 4 may be set non-equal.
  • the network apparatus 120 may allocate a plurality of consecutive PRBs for the at least one sequence based signal of the first UE device, on at least one second symbol for at least one sequence based signal of the first UE device.
  • the first UE device may be, for example, the UE device 110.
  • the at least one sequence based signal may be at least one sequence based synchronization signal, and the at least one sequence based synchronization signal may comprise, for example, a sidelink primary synchronization signal (S-PSS) and/or a sidelink secondary synchronization signal (S-SSS) .
  • S-PSS sidelink primary synchronization signal
  • S-SSS sidelink secondary synchronization signal
  • the sequence based synchronization signal may be used for synchronization at receiving UE devices, including timing synchronization, frequency synchronization, phase synchronization, etc.
  • the sequence based synchronization signal may be also used for other purposes, such as conveying a synchronization source type, a synchronization source identity, etc.
  • the sequence based signal is not limited to the sequence based synchronization signal. Any other types of sequence based signal can be applied in the embodiments of the present disclosure, such as a sequence based signal used for channel estimation.
  • the at least one sequence based synchronization signal e.g. the S-PSS and the S-SSS from the UE device 110 occupies 11 consecutive PRBs.
  • the consecutive PRBs occupied by the S-PSS and the S-SSS from the UE device 110 may be in the center of the frequency band in the configuration of S-SSB structure.
  • the consecutive PRBs occupied by the S-PSS and the S-SSS from a UE device may be in other part of the frequency band in the configuration of S-SSB structure.
  • the consecutive PRBs occupied by the S-PSS and the S-SSS from another UE device 410 may be not in the central part of the frequency band in the configuration of S-SSB structure.
  • the occupied channel bandwidth of S-PSS and /or S-SSS may be very close to 2 MHz, and thus the requirement that during the COT the minimum bandwidth is 2 MHz may be satisfied.
  • the S-PSS and the S-SSS occupy identical plurality of consecutive PRBs in frequency domain.
  • the S-PSS and the S-SSS from the UE device 110 may occupy different plurality of consecutive PRBs in frequency domain.
  • the S-PSS and the S-SSS from the UE device 110 may be partly overlapped or not overlapped in frequency domain.
  • the at least one second symbol may follow at least one first symbol. As is shown in the FIG. 2 to the FIG. 4, in time domain, at least one first symbol for the PSBCH is ahead of the second symbols for the S-PSS and /or S-SSS.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control (AGC) .
  • AGC automatic gain control
  • an initial symbol e.g., symbol 1 in the FIG. 2 to the FIG. 4 may be used for AGC.
  • the initial symbol, symbol 1 is for PSBCH and for AGC
  • the S-PSS and the S-SSS follow the initial PSBCH symbol and occupy symbols 2 to 5, and the rest of PSBCH symbols occupy symbols 6 to 13.
  • a receiving UE device may only need to buffer one symbol for potential PSBCH, and thus the buffer size for PSBCH symbols may be reduced.
  • the at least one second symbol follows the plurality of first symbols.
  • the plurality of first symbols for the PSBCH occupy symbols 1 to 9
  • the second symbols for the S-PSS and the S-SSS follow the plurality of first symbols for the PSBCH and occupy symbols 10 to 13.
  • the presence of the sidelink communication in unlicensed spectrum may be easy for an external communication device, such as a wireless fidelity (Wi-Fi) device, to detect.
  • Wi-Fi wireless fidelity
  • the short guard interval may be 16us or shorter than 16us.
  • the one PRB for the data channel of the first UE device may be different from one PRB for a data channel of a second UE device, and the plurality of consecutive PRBs for the at least one sequence based signal of the first UE device are different from a plurality of consecutive PRBs for at least one sequence based signal of the second UE device.
  • the first UE device may be the UE device 110
  • the second UE device may be, e.g., another UE device 410.
  • the PRB for the PSBCH from the UE device 110 is different from the PRB for the PSBCH from the UE device 410, and the plurality of consecutive PRBs for the S-PSS and the S-SSS from the UE device 110 are different from the plurality of consecutive PRBs for the S-PSS and the S-SSS from the UE device 410.
  • the multiplexing between S-SSBs from different transmitting UE devices, such as the UE device 110 and the UE device 410 may be achieved.
  • the S-SSS symbols follow the S-PSS symbols in time domain, and it may be appreciated that the S-SSS may be ahead of the S-PSS in time domain.
  • the network apparatus 120 may transmit a configuration 150 to the UE devices such as the UE device 110 and the UE device 410.
  • the configuration 150 may be, for example, the configuration of S-SSB 200 structure, the configuration of S-SSB 300 structure, the configuration of S-SSB 400 structure, etc.
  • the configuration 150 may be specified in specification or standard, it may be unnecessary for the UE device, such as the UE device 110, the UE device 410, etc., to receive the configuration 150 from the network side.
  • the UE device 110 may transmit the data channel and the at least one sequence based signal according to the configuration 150.
  • the data channel may be, for example, the PSBCH
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may include the S-PSS and the S-SSS.
  • the requirements on the S-SSB structure for sidelink communication in unlicensed spectrum may be satisfied.
  • FIG. 5 shows a flow chart illustrating an example method 500 for sidelink communication according to an embodiment of the present disclosure.
  • the example method 500 may be performed for example at a UE device such as the UE device 110.
  • the example method 500 may include an operation 510 of transmitting a data channel and at least one sequence based signal according to a configuration, wherein a frequency band may be divided into a plurality of clusters, on a plurality of first symbols for the data channel, each of the plurality of clusters may comprise a plurality of physical resource blocks, in which one physical resource block may be for the data channel, a plurality of consecutive physical resource blocks may be allocated for the at least one sequence based signal, on at least one second symbol for the at least one sequence based signal, and the at least one second symbol may follow at least one first symbol.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel may be different from one physical resource block for a data channel of another user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the another user equipment device.
  • the another user equipment device may be, for example, the UE device 410.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • FIG. 6 shows a flow chart illustrating an example method 600 for sidelink communication according to an embodiment of the present disclosure.
  • the example method 600 may be performed for example at a network apparatus such as the network apparatus 120.
  • the example method 600 may include an operation 610 of dividing a frequency band into a plurality of clusters, on a plurality of first symbols for a data channel of a first user equipment device, and each of the plurality of clusters comprising a plurality of physical resource blocks, in which one physical resource block may be for the data channel of the first user equipment device, and an operation 620 of allocating a plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device, on at least one second symbol for at least one sequence based signal of the first user equipment device, wherein the at least one second symbol may follow at least one first symbol.
  • the first user equipment device may be, for example, the UE device 110.
  • the physical resource block may be in an identical position in each of the plurality of clusters.
  • At least two physical resource blocks may be in different positions in at least two clusters of the plurality of clusters.
  • the at least one first symbol followed by the at least one second symbol may comprise one symbol for automatic gain control.
  • the at least one second symbol may follow the plurality of first symbols.
  • the one physical resource block for the data channel of the first user equipment device may be different from one physical resource block for a data channel of a second user equipment device, and the plurality of consecutive physical resource blocks for the at least one sequence based signal of the first user equipment device may be different from a plurality of consecutive physical resource blocks for at least one sequence based signal of the second user equipment device.
  • the second user equipment device may be, for example, the UE device 410.
  • the data channel may be a physical sidelink broadcast channel.
  • the at least one sequence based signal may be at least one sequence based synchronization signal
  • the at least one sequence based synchronization signal may comprise a sidelink primary synchronization signal and a sidelink secondary synchronization signal.
  • the sidelink primary synchronization signal and the sidelink secondary synchronization signal may occupy identical plurality of consecutive physical resource blocks.
  • FIG. 7 shows a block diagram illustrating an example apparatus 700 for sidelink communication according to an embodiment of the present disclosure.
  • the apparatus for example, may be at least part of the UE 110 in the above examples.
  • the example apparatus 700 may include at least one processor 710 and at least one memory 720 that may include computer program code 730.
  • the at least one memory 720 and the computer program code 730 may be configured to, with the at least one processor 710, cause the apparatus 700 at least to perform the example method 500 described above.
  • the at least one processor 710 in the example apparatus 700 may include, but not limited to, at least one hardware processor, including at least one microprocessor such as a central processing unit (CPU) , a portion of at least one hardware processor, and any other suitable dedicated processor such as those developed based on for example Field Programmable Gate Array (FPGA) and Application Specific Integrated Circuit (ASIC) . Further, the at least one processor 710 may also include at least one other circuitry or element not shown in the FIG. 7.
  • at least one hardware processor including at least one microprocessor such as a central processing unit (CPU) , a portion of at least one hardware processor, and any other suitable dedicated processor such as those developed based on for example Field Programmable Gate Array (FPGA) and Application Specific Integrated Circuit (ASIC) .
  • FPGA Field Programmable Gate Array
  • ASIC Application Specific Integrated Circuit
  • the at least one memory 720 in the example apparatus 700 may include at least one storage medium in various forms, such as a volatile memory and/or a non-volatile memory.
  • the volatile memory may include, but not limited to, for example, a random-access memory (RAM) , a cache, and so on.
  • the non-volatile memory may include, but not limited to, for example, a read only memory (ROM) , a hard disk, a flash memory, and so on.
  • the at least memory 720 may include, but are not limited to, an electric, a magnetic, an optical, an electromagnetic, an infrared, or a semiconductor system, apparatus, or device or any combination of the above.
  • the example apparatus 700 may also include at least one other circuitry, element, and interface, for example at least one I/O interface, at least one antenna element, and the like.
  • the circuitries, parts, elements, and interfaces in the example apparatus 700 may be coupled together via any suitable connections including, but not limited to, buses, crossbars, wiring and/or wireless lines, in any suitable ways, for example electrically, magnetically, optically, electromagnetically, and the like.
  • the structure of the apparatus on the side of the UE 110 is not limited to the above example apparatus 700.
  • FIG. 8 shows a block diagram illustrating an example apparatus 800 for sidelink communication according to an embodiment of the present disclosure.
  • the apparatus for example, may be at least part of the network apparatus 120 in the above examples.
  • the example apparatus 800 may include at least one processor 810 and at least one memory 820 that may include computer program code 830.
  • the at least one memory 820 and the computer program code 830 may be configured to, with the at least one processor 810, cause the apparatus 800 at least to perform at least one of the example method 600 described above.
  • the at least one processor 810 in the example apparatus 800 may include, but not limited to, at least one hardware processor, including at least one microprocessor such as a central processing unit (CPU) , a portion of at least one hardware processor, and any other suitable dedicated processor such as those developed based on for example Field Programmable Gate Array (FPGA) and Application Specific Integrated Circuit (ASIC) . Further, the at least one processor 810 may also include at least one other circuitry or element not shown in the FIG. 8.
  • at least one hardware processor including at least one microprocessor such as a central processing unit (CPU) , a portion of at least one hardware processor, and any other suitable dedicated processor such as those developed based on for example Field Programmable Gate Array (FPGA) and Application Specific Integrated Circuit (ASIC) .
  • FPGA Field Programmable Gate Array
  • ASIC Application Specific Integrated Circuit
  • the at least one memory 820 in the example apparatus 800 may include at least one storage medium in various forms, such as a volatile memory and/or a non-volatile memory.
  • the volatile memory may include, but not limited to, for example, a random-access memory (RAM) , a cache, and so on.
  • the non-volatile memory may include, but not limited to, for example, a read only memory (ROM) , a hard disk, a flash memory, and so on.
  • the at least memory 820 may include, but are not limited to, an electric, a magnetic, an optical, an electromagnetic, an infrared, or a semiconductor system, apparatus, or device or any combination of the above.
  • the example apparatus 800 may also include at least one other circuitry, element, and interface, for example at least one I/O interface, at least one antenna element, and the like.
  • the circuitries, parts, elements, and interfaces in the example apparatus 800 may be coupled together via any suitable connections including, but not limited to, buses, crossbars, wiring and/or wireless lines, in any suitable ways, for example electrically, magnetically, optically, electromagnetically, and the like.
  • the structure of the apparatus on the side of the network apparatus 120 is not limited to the above example apparatus 800.
  • FIG. 9 shows a block diagram illustrating an example apparatus 900 for sidelink communication according to an embodiment of the present disclosure.
  • the apparatus for example, may be at least part of the UE 110 in the above examples.
  • the example apparatus 900 may include means 910 for performing the operation 510 of the example method 500.
  • at least one I/O interface, at least one antenna element, and the like may also be included in the example apparatus 900.
  • examples of means in the example apparatus 900 may include circuitries.
  • an example of means 910 may include a circuitry configured to perform the operation 510 of the example method 500.
  • examples of means may also include software modules and any other suitable function entities.
  • FIG. 10 shows a block diagram illustrating an example apparatus 1000 for sidelink communication according to an embodiment of the present disclosure.
  • the apparatus for example, may be at least part of the network apparatus 120 in the above examples.
  • the example apparatus 1000 may include means 1010 for performing the operation 610 of the example method 600, and means 1020 for performing the operation 620 of the example method 600.
  • at least one I/O interface, at least one antenna element, and the like may also be included in the example apparatus 1000.
  • examples of means in the example apparatus 1000 may include circuitries.
  • an example of means 1010 may include a circuitry configured to perform the operation 610 of the example method 600
  • an example of means 1020 may include a circuitry configured to perform the operation 620 of the example method 600.
  • examples of means may also include software modules and any other suitable function entities.
  • circuitry throughout this disclosure may refer to one or more or all of the following: (a) hardware-only circuit implementations (such as implementations in only analog and/or digital circuitry) ; (b) combinations of hardware circuits and software, such as (as applicable) (i) a combination of analog and/or digital hardware circuit (s) with software/firmware and (ii) any portions of hardware processor (s) with software (including digital signal processor (s) ) , software, and memory (ies) that work together to cause an apparatus, such as a mobile phone or server, to perform various functions) ; and (c) hardware circuit (s) and or processor (s) , such as a microprocessor (s) or a portion of a microprocessor (s) , that requires software (e.g., firmware) for operation, but the software may not be present when it is not needed for operation.
  • hardware-only circuit implementations such as implementations in only analog and/or digital circuitry
  • combinations of hardware circuits and software such as (as applicable) (i) a
  • circuitry also covers an implementation of merely a hardware circuit or processor (or multiple processors) or portion of a hardware circuit or processor and its (or their) accompanying software and/or firmware.
  • circuitry also covers, for example and if applicable to the claim element, a baseband integrated circuit or processor integrated circuit for a mobile device or a similar integrated circuit in server, a cellular network device, or other computing or network device.
  • Another example embodiment may relate to computer program codes or instructions which may cause an apparatus to perform at least respective methods described above.
  • Another example embodiment may be related to a computer readable medium having such computer program codes or instructions stored thereon.
  • a computer readable medium may include at least one storage medium in various forms such as a volatile memory and/or a non-volatile memory.
  • the volatile memory may include, but not limited to, for example, a RAM, a cache, and so on.
  • the non-volatile memory may include, but not limited to, a ROM, a hard disk, a flash memory, and so on.
  • the non-volatile memory may also include, but are not limited to, an electric, a magnetic, an optical, an electromagnetic, an infrared, or a semiconductor system, apparatus, or device or any combination of the above.
  • the words “comprise, ” “comprising, ” and the like are to be construed in an inclusive sense, as opposed to an exclusive or exhaustive sense; that is to say, in the sense of “including, but not limited to. ”
  • the word “coupled” refers to two or more elements that may be either directly connected, or connected by way of one or more intermediate elements.
  • the word “connected” refers to two or more elements that may be either directly connected, or connected by way of one or more intermediate elements.
  • conditional language used herein such as, among others, “can, ” “could, ” “might, ” “may, ” “e.g., ” “for example, ” “such as” and the like, unless specifically stated otherwise, or otherwise understood within the context as used, is generally intended to convey that certain embodiments include, while other embodiments do not include, certain features, elements and/or states.
  • conditional language is not generally intended to imply that features, elements and/or states are in any way required for one or more embodiments or that one or more embodiments necessarily include logic for deciding, with or without author input or prompting, whether these features, elements and/or states are included or are to be performed in any particular embodiment.
  • the term "determine/determining” can include, not least: calculating, computing, processing, deriving, measuring, investigating, looking up (for example, looking up in a table, a database or another data structure) , ascertaining and the like. Also, “determining” can include receiving (for example, receiving information) , accessing (for example, accessing data in a memory) , obtaining and the like. Also, “determine/determining” can include resolving, selecting, choosing, establishing, and the like.

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

Abstract

La présente invention concerne un procédé, un appareil et des supports lisibles par ordinateur pour une communication de liaison latérale. Le procédé, réalisé par un dispositif d'équipement d'utilisateur, peut inclure la transmission d'un canal de données et d'au moins un signal basé sur une séquence selon une configuration, une bande de fréquences pouvant être divisée en une pluralité de groupes, sur une pluralité de premiers symboles pour le canal de données, et chaque groupe de la pluralité de groupes pouvant comprendre une pluralité de blocs de ressources physiques, parmi lesquels un bloc de ressources physiques peut être destiné au canal de données, une pluralité de blocs de ressources physiques consécutifs pouvant être attribués au ou aux signaux basés sur une séquence sur au moins un second symbole pour le ou les signaux basés sur une séquence, et le ou les seconds symboles pouvant suivre au moins un premier symbole.
PCT/CN2021/116664 2021-09-06 2021-09-06 Procédés, appareils et supports lisibles par ordinateur pour une communication de liaison latérale WO2023029034A1 (fr)

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PCT/CN2021/116664 WO2023029034A1 (fr) 2021-09-06 2021-09-06 Procédés, appareils et supports lisibles par ordinateur pour une communication de liaison latérale
CN202180102115.XA CN117917138A (zh) 2021-09-06 2021-09-06 用于侧链路通信的方法、装置和计算机可读介质

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Citations (6)

* Cited by examiner, † Cited by third party
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CN109155710A (zh) * 2016-06-22 2019-01-04 惠州Tcl移动通信有限公司 使用非授权频谱的上行传输方法、分配方法、用户设备及基站
CN111684842A (zh) * 2019-01-10 2020-09-18 联发科技（新加坡）私人有限公司 侧链同步信号块设计
US20200396708A1 (en) * 2019-06-12 2020-12-17 Qualcomm Incorporated Sidelink primary and secondary synchronization signal transmission
WO2021034090A1 (fr) * 2019-08-19 2021-02-25 엘지전자 주식회사 Procédé et dispositif pour la transmission d'un s-ssb dans un système nr v2x
US20210067290A1 (en) * 2019-08-26 2021-03-04 Mediatek Singapore Pte. Ltd. Sidelink communications with two-stage sidelink control information
US20210105760A1 (en) * 2019-10-02 2021-04-08 Mediatek Singapore Pte. Ltd. New radio sidelink communications

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109155710A (zh) * 2016-06-22 2019-01-04 惠州Tcl移动通信有限公司 使用非授权频谱的上行传输方法、分配方法、用户设备及基站
CN111684842A (zh) * 2019-01-10 2020-09-18 联发科技（新加坡）私人有限公司 侧链同步信号块设计
US20200396708A1 (en) * 2019-06-12 2020-12-17 Qualcomm Incorporated Sidelink primary and secondary synchronization signal transmission
WO2021034090A1 (fr) * 2019-08-19 2021-02-25 엘지전자 주식회사 Procédé et dispositif pour la transmission d'un s-ssb dans un système nr v2x
US20210067290A1 (en) * 2019-08-26 2021-03-04 Mediatek Singapore Pte. Ltd. Sidelink communications with two-stage sidelink control information
US20210105760A1 (en) * 2019-10-02 2021-04-08 Mediatek Singapore Pte. Ltd. New radio sidelink communications

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