WO2024026863A1 - Procédés, dispositifs, appareils et support de stockage lisible par ordinateur destinés aux communications - Google Patents

Procédés, dispositifs, appareils et support de stockage lisible par ordinateur destinés aux communications Download PDF

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Publication number
WO2024026863A1
WO2024026863A1 PCT/CN2022/110667 CN2022110667W WO2024026863A1 WO 2024026863 A1 WO2024026863 A1 WO 2024026863A1 CN 2022110667 W CN2022110667 W CN 2022110667W WO 2024026863 A1 WO2024026863 A1 WO 2024026863A1
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WIPO (PCT)
Prior art keywords
terminal device
sidelink
interlaces
channel
control channel
Prior art date
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PCT/CN2022/110667
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English (en)
Inventor
Naizheng ZHENG
Nuno Manuel KIILERICH PRATAS
Vinh Van Phan
Ling Yu
Renato Barbosa ABREU
Yong Liu
Laura Luque SANCHEZ
Jianguo Liu
Torsten WILDSCHEK
Original Assignee
Nokia Shanghai Bell Co., Ltd.
Nokia Solutions And Networks Oy
Nokia Technologies Oy
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Application filed by Nokia Shanghai Bell Co., Ltd., Nokia Solutions And Networks Oy, Nokia Technologies Oy filed Critical Nokia Shanghai Bell Co., Ltd.
Priority to PCT/CN2022/110667 priority Critical patent/WO2024026863A1/fr
Publication of WO2024026863A1 publication Critical patent/WO2024026863A1/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
    • H04L5/003—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
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided

Definitions

  • Various example embodiments relate to the field of telecommunication and in particular, to a method, device, apparatus and computer readable storage medium for communications.
  • wireless communications systems are widely deployed to provide various types of data traffic. These systems are enabled to support communication with multiple users by sharing the available system resources (for example, time, frequency, and power) .
  • Examples of these systems include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, and orthogonal frequency division multiple access (OFDMA) systems, (for example, a Long Term Evolution (LTE) system, or a New Radio (NR) system) .
  • CDMA code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • LTE Long Term Evolution
  • NR New Radio
  • a sidelink communication technology in which terminal devices can communicate with each other directly has been introduced.
  • a terminal device may transmit data information to another terminal device in a Physical Sidelink Shared Channel (PSSCH) and transmit control information to the reception device in a Physical Sidelink Control Channel (PSCCH) .
  • PSSCH Physical Sidelink Shared Channel
  • PSCCH Physical Sidelink Control Channel
  • the resource allocation for the PSCCH and PSSCH is a key aspect.
  • example embodiments of the present disclosure provide a solution for sidelink communications.
  • a first terminal device comprising at least one processor at least one memory storing instructions that, when executed by the at least one processor, cause the first terminal device at least to determine a sub-channel for a sidelink shared channel.
  • the sub-channel comprises a first number of interlaces.
  • An interlace comprises a plurality of interlaced radio resource blocks.
  • the first terminal device is further caused to determine a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces.
  • the first number and the second number are configured separately.
  • the first terminal device is further caused to transmit, based on a mapping pattern of sidelink control channel and an association with the first number of interlaces, at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a second terminal device comprising at least one processor at least one memory storing instructions that, when executed by the at least one processor, cause the second terminal device at least to determine a resource granularity for a sidelink control channel.
  • the resource granularity comprises a second number of interlaces.
  • a first number of interlaces are used for a sidelink shared channel, an interlace comprising a plurality of interlaced resources.
  • the first number and the second number are configured separately.
  • the second terminal device is further caused to receive, based on a mapping pattern and an association with the first number of interlaces, at least one sidelink transmission from a first terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a network device comprising at least one processor at least one memory storing instructions that, when executed by the at least one processor, cause the network device at least to transmit, to at least one of a first terminal device and a second terminal device, a second indication that is indicative of a first number and a second number.
  • the first number of interlaces are used for a subchannel that is allocated to a shared channel between the first terminal device and the second terminal device.
  • a second number of interlaces are determined as a resource granularity for a sidelink control channel between the first terminal device and the second terminal device. Interlace comprises a plurality of interlaced resources and the first number and the second number are configured separately.
  • a method implemented at a first terminal device comprises determining a sub-channel for a sidelink shared channel.
  • the sub-channel comprises a first number of interlaces.
  • An interlace comprises a plurality of interlaced radio resource blocks.
  • the method further comprises determining a resource granularity for a sidelink control channel.
  • the resource granularity comprises a second number of interlaces, the first number and the second number are configured separately.
  • the method further comprises transmitting, based on a mapping pattern of sidelink control channel and an association with the first number of interlaces, at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a method implemented at a second terminal device comprises determining a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces.
  • a first number of interlaces are used for a sidelink shared channel.
  • An interlace comprises a plurality of interlaced resources. The first number and the second number are configured separately.
  • the method further comprises receiving, based on a mapping pattern of sidelink control channel and an association with the first number of interlaces, at least one sidelink transmission from a first terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a method implemented at a network device comprises transmitting, to at least one of a first terminal device and a second terminal device, a second indication that is indicative of a first number and a second number.
  • the first number of interlaces are used for a subchannel that is allocated to a shared channel between the first terminal device and the second terminal device.
  • a second number of interlaces are determined as a resource granularity for a sidelink control channel between the first terminal device and the second terminal device.
  • Interlace comprises a plurality of interlaced resources and wherein the first number and the second number being configured separately.
  • an apparatus comprising means for determining a sub-channel for a sidelink shared channel, the sub-channel comprising a first number of interlaces, an interlace comprising a plurality of interlaced radio resource blocks; means for determining a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces, the first number and the second number being configured separately; and means for transmitting, based on a mapping pattern between the sidelink control channel and the first number of interlaces, at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • an apparatus comprising means for determining a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces, a first number of interlaces being used for a sidelink shared channel, an interlace comprising a plurality of interlaced resources, the first number and the second number being configured separately; and means for receiving, based on a mapping pattern between the sidelink control channel and the first number of interlaces, at least one sidelink transmission from a first terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • an apparatus comprising means for transmitting, to at least one of a first terminal device and a second terminal device, a second indication that is indicative of a first number and a second number, wherein the first number of interlaces are used for a subchannel that is allocated to a shared channel between the first terminal device and the second terminal device, wherein a second number of interlaces are determined as a resource granularity for a sidelink control channel between the first terminal device and the second terminal device, wherein an interlace comprising a plurality of interlaced resources and wherein the first number and the second number being configured separately.
  • a non-transitory computer readable medium comprising program instructions for causing an apparatus to perform at least the method according to any one of the above fourth to sixth aspect.
  • a computer program comprising instructions, which, when executed by an apparatus, cause the apparatus at least to determine a sub-channel for a sidelink shared channel, the sub-channel comprising a first number of interlaces, an interlace comprising a plurality of interlaced radio resource blocks; determine a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces, the first number and the second number being configured separately; and transmit, based on a mapping pattern of sidelink control channel and an association with the first number of interlaces, at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a computer program comprising instructions, which, when executed by an apparatus, cause the apparatus at least to determine a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces, a first number of interlaces being used for a sidelink shared channel, an interlace comprising a plurality of interlaced resources, the first number and the second number being configured separately; and receive, based on a mapping pattern and an association with the first number of interlaces, at least one sidelink transmission from a first terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a computer program comprising instructions, which, when executed by an apparatus, cause the apparatus at least to transmit, to at least one of a first terminal device and a second terminal device, a second indication that is indicative of a first number and a second number, wherein the first number of interlaces are used for a subchannel that is allocated to a shared channel between the first terminal device and the second terminal device, wherein a second number of interlaces are determined as a resource granularity for a sidelink control channel between the first terminal device and the second terminal device, wherein an interlace comprising a plurality of interlaced resources and wherein the first number and the second number being configured separately.
  • a fourteenth aspect there is provided a first terminal device comprising: a first determining circuitry configured to determine a sub-channel for a sidelink shared channel, the sub-channel comprising a first number of interlaces, an interlace comprising a plurality of interlaced radio resource blocks; a second determining circuitry configured to determine a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces, the first number and the second number being configured separately; and a transmitting circuitry configured to transmit, based on a mapping pattern of sidelink control channel and an association with the first number of interlaces, at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a second terminal device comprising: a determining circuitry configured to determine a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces, a first number of interlaces being used for a sidelink shared channel, an interlace comprising a plurality of interlaced resources, the first number and the second number being configured separately; and a receiving circuitry configured to receive, based on a mapping pattern and an association with the first number of interlaces, at least one sidelink transmission from a first terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a network device comprising: a transmitting circuitry configured to transmit, to at least one of a first terminal device and a second terminal device, a second indication that is indicative of a first number and a second number, wherein the first number of interlaces are used for a subchannel that is allocated to a shared channel between the first terminal device and the second terminal device, wherein a second number of interlaces are determined as a resource granularity for a sidelink control channel between the first terminal device and the second terminal device, wherein an interlace comprising a plurality of interlaced resources and wherein the first number and the second number being configured separately.
  • Fig. 1 illustrates an example communication network in which embodiments of the present disclosure may be implemented
  • Fig. 2 illustrates a signaling process for sidelink communication according to some embodiments of the present disclosure
  • Fig. 3A, Fig. 3B and Fig. 3C illustrate examples of Resource Block (RB) -interlace for PSSCH and PSCCH transmissions according to some embodiments of the present disclosure
  • Fig. 4 illustrates an example architecture of separate PSCCH and PSSCH interlacer and de-interlacer blocks in SL-U transmit and receive chains according to some embodiments of the present disclosure
  • Fig. 5 illustrates a flowchart of a method implemented at a terminal device according to some other embodiments of the present disclosure
  • Fig. 6 illustrates a flowchart of a method implemented at a terminal device according to some other embodiments of the present disclosure
  • Fig. 7 illustrates a flowchart of a method implemented at a terminal device according to some other embodiments of the present disclosure
  • Fig. 8 illustrates a simplified block diagram of an apparatus that is suitable for implementing embodiments of the present disclosure.
  • FIG. 9 illustrates a block diagram of an example computer readable medium in accordance with some embodiments of the present disclosure.
  • references in the present disclosure to “one embodiment, ” “an embodiment, ” “an example embodiment, ” and the like indicate that the embodiment described may include a particular feature, structure, or characteristic, but it is not necessary that every embodiment includes the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
  • first and second etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and similarly, a second element could be termed a first element, without departing from the scope of example embodiments.
  • the term “and/or” includes any and all combinations of one or more of the listed terms.
  • circuitry may refer to one or more or all of the following:
  • 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 particular 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.
  • the term “communication network” refers to a network following any suitable communication standards, such as Long Term Evolution (LTE) , LTE-Advanced (LTE-A) , Wideband Code Division Multiple Access (WCDMA) , High-Speed Packet Access (HSPA) , Narrow Band Internet of Things (NB-IoT) and so on.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • WCDMA Wideband Code Division Multiple Access
  • HSPA High-Speed Packet Access
  • NB-IoT Narrow Band Internet of Things
  • the communications between a terminal device and a network device in the communication network may be performed according to any suitable generation communication protocols, including, 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 future fifth generation (5G) communication protocols, and/or any other protocols either currently known or to be developed in the future.
  • suitable generation communication protocols including, 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 future fifth generation (5G) communication protocols, and/or any other protocols either currently known or to be developed in the future.
  • Embodiments of the present disclosure may be applied in various communication systems. Given the rapid development in communications, there will of course also be future type communication technologies and systems with which the present disclosure may be embodied. It should not be seen as limiting the scope of the present disclosure to only the a
  • the term “network device” refers to a node in a communication network via which a terminal device accesses the network and receives services therefrom.
  • the network device may refer to a base station (BS) or an access point (AP) , for example, a node B (NodeB or NB) , an evolved NodeB (eNodeB or eNB) , a NR NB (also referred to as a gNB) , a Remote Radio Unit (RRU) , a radio header (RH) , a remote radio head (RRH) , a relay, a low power node such as a femto, a pico, and so forth, depending on the applied terminology and technology.
  • BS base station
  • AP access point
  • NodeB or NB node B
  • eNodeB or eNB evolved NodeB
  • NR NB also referred to as a gNB
  • RRU Remote Radio Unit
  • RH radio header
  • terminal device refers to any end device that may be capable of wireless communication.
  • a terminal device may also be referred to as a communication device, user equipment (UE) , a Subscriber Station (SS) , a Portable Subscriber Station, a Mobile Station (MS) , or an Access Terminal (AT) .
  • UE user equipment
  • SS Subscriber Station
  • MS Mobile Station
  • AT Access Terminal
  • the terminal device may include, but not limited to, a mobile phone, a cellular phone, a smart phone, voice over IP (VoIP) phones, wireless local loop phones, a tablet, a wearable terminal device, a personal digital assistant (PDA) , portable computers, desktop computer, image capture terminal devices such as digital cameras, gaming terminal devices, music storage and playback appliances, vehicle-mounted wireless terminal devices, wireless endpoints, mobile stations, laptop-embedded equipment (LEE) , laptop-mounted equipment (LME) , USB dongles, smart devices, wireless customer-premises equipment (CPE) , an Internet of Things (loT) device, a watch or other wearable, a head-mounted display (HMD) , a vehicle, a drone, a medical device and applications (e.g., remote surgery) , an industrial device and applications (e.g., a robot and/or other wireless devices operating in an industrial and/or an automated processing chain contexts) , a consumer electronics device, a device operating on commercial and/
  • terminal device In the following description, the terms “terminal device” , “communication device” , “terminal” , “user equipment” and “UE” may be used interchangeably.
  • the PSCCH and the sidelink control channel can be used interchangeably and the PSSCH and the sidelink shared channel can be used interchangeably.
  • the interlaced frequency division multiple (FDM) scheme is used for SideLink-Unlicensed (SL-U) transmission.
  • a Radio Resource Block (RB) set comprising a plurality of resource blocks (for example, Physical Resource Block, PRB) is divided into a certain number of interlaces.
  • Each interlace comprises a plurality of RBs interlaced in the radio RB set.
  • the PSSCH may be mapped to radio resource blocks based on a subchannel that comprises a number of interlaces.
  • the subchannel may be considered as a resource allocation unit or granularity for the PSSCH.
  • each cluster of the subchannel comprises the same interlaces (or the same number of interlaces) .
  • a RB of one interlace may be also referred as a cluster of this interlace.
  • the PSCCH is mapped to a fixed interlace of a subchannel for a PSSCH and only occupies one interlace.
  • the granularity of mapping the PSCCH and a mapping pattern of the PSCCH should be further considered.
  • the associated PSCCH frequency resource mapping should be also considered.
  • a terminal device determines a sub-channel for a sidelink shared channel.
  • the sub-channel comprises a first number of interlaces.
  • Interlace comprises a plurality of interlaced radio resource blocks.
  • the terminal device further determines a resource granularity for a sidelink control channel.
  • the determined resource granularity comprises a second number of interlaces, and the first number and the second number are configured separately.
  • the terminal device transmits, based on a mapping pattern of sidelink control channel and an association with the first number of interlaces, at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • the resource allocation for PSSCH and PSCCH can be configured independently and flexibly.
  • the position of the PSCCH can be determined in order to minimize the number of PSCCH blind decoding.
  • Fig. 1 illustrates an example environment 100 in which example embodiments of the present disclosure can be implemented.
  • a terminal device 110 and a terminal device 120 may communicate with each other directly based on a sidelink transmission channel.
  • the terminal device 110 and the terminal device 120 may also communication with each other via a network device 130.
  • the terminal device 110 may communicate with the network device 130 and the terminal device 120 may communicate with the network device 130.
  • the terminal device 110 and the terminal device 120 may be referred to as a first terminal device and a second terminal device in the following description.
  • the terminal device 110 and the terminal device 120 are two user equipment (UE) .
  • the network device 130 is a gNB.
  • the terminal device 110, the terminal device 120 and network device 130 may be any electronic device supporting wired/wireless communication.
  • the number of the terminal device 110, the terminal device 120 and the network device 130 is shown in the environment 100 only for the purpose of illustration, without suggesting any limitation to the scope of the present disclosure.
  • the environment 100 may comprise further terminal devices and/or further network devices.
  • Communications between devices in the communication environment 100 may be implemented according to any proper communication protocol (s) , comprising, but not limited to, cellular communication protocols of the first generation (1G) , the second generation (2G) , the third generation (3G) , the fourth generation (4G) and the fifth generation (5G) and on the like, wireless local network communication protocols such as Institute for Electrical and Electronics Engineers (IEEE) 802.11 and the like, and/or any other protocols currently known or to be developed in the future.
  • s cellular communication protocols of the first generation (1G) , the second generation (2G) , the third generation (3G) , the fourth generation (4G) and the fifth generation (5G) and on the like, wireless local network communication protocols such as Institute for Electrical and Electronics Engineers (IEEE) 802.11 and the like, and/or any other protocols currently known or to be developed in the future.
  • IEEE Institute for Electrical and Electronics Engineers
  • the communication may utilize any proper wireless communication technology, comprising but not limited to: Code Division Multiple Access (CDMA) , Frequency Division Multiple Access (FDMA) , Time Division Multiple Access (TDMA) , Frequency Division Duplex (FDD) , Time Division Duplex (TDD) , Multiple-Input Multiple-Output (MIMO) , Orthogonal Frequency Division Multiple (OFDM) , Discrete Fourier Transform spread OFDM (DFT-s-OFDM) and/or any other technologies currently known or to be developed in the future.
  • CDMA Code Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • MIMO Multiple-Input Multiple-Output
  • OFDM Orthogonal Frequency Division Multiple
  • DFT-s-OFDM Discrete Fourier Transform spread OFDM
  • Fig. 2 illustrates a signaling process 200 for sidelink communication according to some embodiments of the present disclosure.
  • the process 200 will be described with reference to Fig. 1.
  • the process 200 may involve the terminal device 110, 120 and the network devices 130 as illustrated in Fig. 1. It would be appreciated that although the process 200 for link has been described in the communication environment 100 of Fig. 1, this process may be likewise applied to other communication scenarios.
  • the terminal device 110 determines a sub-channel for a sidelink shared channel.
  • the sub-channel comprises a first number of interlaces.
  • the interlace comprises a plurality of interlaced radio resource blocks.
  • the terminal device 110 determines a resource granularity for a sidelink control channel.
  • the resource granularity comprises a second number of interlaces, and the first number and the second number are configured separately.
  • the subchannel having the first number of interlaces and the resource granularity having the second number of interlaces are discussed with reference to Fig. 3A.
  • Fig. 3A illustrates an example Resource Block (RB) -interlace for PSSCH and PSCCH transmissions according to some embodiments of the present disclosure. More specifically, Fig. 3A shows a mapping between PSCCH and the interlaces associated with a sub-channel which can be termed as an interlace-first mapping. Only as an example and without any limitation, a RB set of 20 MHz is shown. Further, assuming that the Sub-Carrier Spacing is 15kHz. Then, the RB set may comprise one hundred of PRBs. In an example, the RB set is divided into ten interlaces, as shown by interlaces 1 to 10 in the block 301. As mentioned above, each interlace comprises a plurality of radio resource blocks interlaced in the RB set.
  • RB Resource Block
  • the interlace comprises ten radio resource blocks, for example, the interlace 303 (which is equivalent to the interlace 0 in block 301) comprising PRB 0, PRB 10, PRB 20, PRB 30, ..., PRB 90 as shown in Fig. 3A or another interlace 1 comprises PRB 1, PRB 11, PRB 21, PRB 31, ..., PRB 91.
  • each of these PRBs may be also referred as a cluster of the corresponding interlace.
  • a cluster of the interlace may also comprise any frequency resource sizes interlaced in one frequency band other than the PRBs.
  • the resource allocation for the shared channel is based on a subchannel comprising a certain number of interlaces.
  • the terminal device 110 determines a subchannel comprising a first number of interlaces for the sidelink control channel.
  • the first number is five (5) .
  • a subchannel allocated to the shared channel comprises five interlaces.
  • a plurality of subchannels is allocated to the shared channel and the each of the plurality of subchannels may comprise a different number of interlaces. As shown in Fig.
  • the interlaces 0 to 5 consists of the subchannel determined for the sidelink shared channel, which is also referred to as subchannel 0 (as partially shown by 310) in this disclosure.
  • the interlaces 5-9 consists of another subchannel determined for the sidelink shared channel, which is also referred to as subchannel 1 (as partially shown by 320) .
  • the subchannel 1 may comprise another number of interlaces other than the first number.
  • the subchannel 0 is lowest subchannel of subchannels allocated to the sidelink shared channel.
  • each of the PRBs 0-4, 11-14, 21-24, ...., and 91-94 is a cluster of the subchannel 0.
  • Each of the PRBs 5-9, 15-19, 25-29, ..., and 95-99 is a cluster of the subchannel 1.
  • the first terminal device further determines a resource granularity for a sidelink control channel and the resource granularity comprise second number of interlaces.
  • the second number is configured independently from the first number.
  • the allocation units or granularities of sidelink control channel and sidelink shared channel can be configured separately and flexibly.
  • the second number may be two (2) .
  • specific interlaces used for the sidelink control channel may be the first 2 interlaces out of the 5 interlaces associated with the sub-channel 0, while the sidelink shared channel can use all of the interlaces associated with the sub-channel.
  • the block 330 comprising two interlaces (interlace 0 and 1) may be determined as the resource granularity of the sidelink control channel.
  • the sidelink control channel may occupy multiple blocks as similar as 330.
  • the multiple blocks may provide the PRBs required for the sidelink control channel.
  • the first number for the sidelink shared channel and the second number for the sidelink control channel may be preconfigured or predefined channel configuration.
  • the terminal device 110 may receive an indication (which is also referred to as a second indication in this disclosure) that is indicative of the first number and the second number.
  • the terminal device 110 receives the second indication from the network device 130.
  • the network device 130 may transmit the first indication to the terminal device 110 acting as a transmit device and the terminal device 120 acting as a receive device.
  • the terminal device 110 receives the second indication from the terminal device 120 acting as a receiver device.
  • the terminal device 110 may determine the first number and the second number autonomously and transmit the first indication to the terminal device 120 at 250.
  • the terminal device 120 may also determines a second number for the sidelink control channel based on the first indication received as discussed above. In addition or alternatively, the terminal device 120 may determine the first number and the second number autonomously and transmit the first indication to the terminal device 110 at 240.
  • the terminal device 110 transmits, based on a mapping pattern of sidelink control channel and an association with the first number of interlaces, at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • a mapping pattern of sidelink control channel and an association with the first number of interlaces at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • the mapping pattern as shown in Fig. 3A may be also referred to as a “interlace first mapping” .
  • the number of clusters of the sidelink control channel is referred to as a fourth number in this disclosure.
  • the first part starts from the low boundary of the respective cluster and comprises the resource granularity.
  • One or more granularities mapped to the first number of interlaces for the subchannel 0 (for example, the first part) may be considered as a cluster of the sidelink control channel.
  • the mapping of PSCCH frequency resource to the interlaced RBs is associated with the lowest mapping of PSCCH at each cluster at first.
  • the resource granularity is mapped to RBs 0 to 1, RBs 10 to 11, RBs 20 to 21, RBs 30 to 31, RBs 40 to 41 and RBs 50 to 51 at each cluster in subchannel 0 of PSCCH in sequence.
  • the resource granularity may be mapped to the cluster to be the block 0 –block 5 of which each is a first part in the respective cluster.
  • a block may be considered as a cluster of the sidelink control channel.
  • the remaining resource granularities for the PSCCH may be mapped from the lowest cluster of the third number of clusters to the highest cluster of the third number of clusters one on one in another loop.
  • the interlace first mapping option may provide better diversity gain in frequency domain for PSCCH transmission.
  • the PSCCH mapping is restricted to the interlaces associated with the lower sub-channel out of the sub-channels selected by the UE Tx, as legacy SL rule.
  • the frequency domain diversity for PSCCH transmission is not important, and instead limiting the RB resources that carry the PSCCH in frequency domain in a more localized manner is required. In this way, the PSCCH payload information can be easily extracted from very limited number of cluster RBs.
  • Fig. 3B illustrates example Resource Block (RB) -interlace for PSSCH and PSCCH transmissions according to some embodiments of the present disclosure. More specifically, Fig. 3B shows a mapping between PSCCH and the interlaces associated with a sub-channel which may be also referred to as a frequency first mapping. As shown in Fig. 3B, in some embodiments, the terminal device 110 may map a plurality of resource granularities allocated for the sidelink control channel to a third part of a cluster of the third number of clusters, until remaining interlaces in the cluster to which the plurality of resource granularities mapped is smaller than the resource granularity. The third part starts from the low boundary of the cluster and being the N times the resource granularities.
  • RB Resource Block
  • the terminal device 110 has selected sub-channels#0 and subchannel#1 for its transmission. To map the PSCCH frequency resources, the mapping is based on the resource granularity of the second number of interlaces configured for PSCCH.
  • the resource granularity is mapped to the block 0 at first and then is mapped to be block 1 (as shown by block 340) , until the remaining interlace (as shown in Fig. 3B, the remaining interlace is one interlace) is smaller than the resource granularity.
  • the blocks 0 and 1 (which may be also referred to the third part in this disclosure) are considered as a cluster of the PSCCH.
  • the resource granularities for the PSCCH may be further mapped to be the blocks 2, 3, 4 and 5 in sequence.
  • the subchannel 0 contains two resource granularities configured for PSCCH.
  • the RBs carrying the PSCCH payload are limited to three clusters, instead of 5 clusters as shown in the example of Fig. 3A. This can be in favor of some of the SL-U UEs, who have only the capability of receiving PSCCH in a limited number of cluster RBs.
  • the PSCCH mapping is restricted to the interlaces associated with the lower sub-channel out of the sub-channels selected by the UE Tx, as legacy SL rule.
  • the terminal device 110 may map the frequency resources of PSCCH to the lowest subchannel of allocated PSSCH, sequentially from the allocated lowest RB-index to highest RB-index in the RB set.
  • Fig. 3C illustrates example Resource Block (RB) -interlace for PSSCH and PSCCH transmissions according to some embodiments of the present disclosure. More specifically, Fig. 3C shows that the PSCCH and PSSCH are configured with the same interlaces.
  • the frequency domain mapping granularity of PSCCH is configured to be equal to the first number of interlaces per subchannel for PSSCH. Both subchannel 0 and subchannel 1 are allocated to the terminal device 110 for PSSCH transmission. To map the PSCCH frequency resources, the resource granularity is mapped to the lowest subchannel 0 allocated to PSSCH.
  • the resource granularity is mapped from lowest RB 0 to RB 4 (as shown by block 350) , since the resource granularity has the same number of interlaces as the first number for the subchannel 0.
  • the resource granularity is mapped from lowest RB 10 to RB 14.
  • the resource granularity is mapped from lowest RB 20 to RB 21, since the provided RBs is sufficient for the PSCCH.
  • the resource granularity can be configured so that the PSCCH size is integer divisible by the resource granularity.
  • PSCCH bits are zero padded to occupy all the RBs of interlaces allocated to the PSCCH.
  • the remaining RBs of interlaces allocated to the PSCCH may be not used by PSCCH.
  • PSCCH is configured for 10 PRBs and the resource granularity is 3 interlaces
  • 1 PRB may not be used for PSCCH and can be used for PSSCH.
  • Fig. 3C if the PSCCH is configured with 12 PRBs and the resource granularity is 5 interlaces, then 3 PRBs may not be used for PSCCH and can be used for PSSCH.
  • PSCCH instead of PSCCH being mapped to a cluster of the subchannel (for example, subchannel 0 or subchannel 1) from the lowest PRB to the highest PRB, it can be mapped from the highest PRB to the lowest PRB.
  • the PSCCH may be mapped start from a (pre) configured interlace index of the subchannel (for example, subchannel 0 or subchannel 1) and then the surrounding interlace index and associated with a PSCCH RB in an alternate manner (e.g. index n first, index n+1, index n-1, index n+2, index n-2) .
  • the mapping pattern as discussed with reference to Figs. 3A to 3C may be preconfigured or predefined channel configuration.
  • there may be an indication that is indicative of the mapping pattern (which is also referred to as the first indication in this disclosure) .
  • the terminal device 110 receives the first indication from the network device 130.
  • the network device 130 may transmit the first indication to the terminal device 110 acting as a transmit device and the terminal device 120 acting as a receive device.
  • the terminal device 110 receives the first indication from the terminal device 120 acting as a receiver device.
  • the terminal device 110 may determine the mapping pattern autonomously and transmit the second indication to the terminal device 120 at 250.
  • the terminal device 120 receives, based on a mapping pattern and an association with the first number of interlaces, at least one sidelink transmission from a first terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • the terminal device 120 determines the mapping pattern based on receiving the first indication. Then, the terminal device 120 may map the PSCCH in the same way as discussed above in Figs. 3A to 3C. Alternatively, the terminal device 120 may determine the mapping pattern autonomously and transmit the mapping pattern to the terminal device 120 at 250.
  • the communication architecture may be further adapted to the RB interlace based transmission.
  • the terminal device 120 may only decode the PSCCH based on the mapping pattern and the resource granularity. Then, the terminal device 120 may determine the location of the PSSCH based on the PSCCH, for example, the PSCCH may indicate the position of the PSSCH. Alternatively, the terminal device 120 may decode both the PSCCH and the PSSCH based on the mapping pattern and the resource granularity.
  • Fig. 4 illustrates example architecture of separate PSCCH and PSSCH interlacer and de-interlacer blocks in SL-U transmit and receive chains according to some embodiments of the present disclosure.
  • the transmitter of device may comprise separate PSCCH and PSSCH interlacer in the SL-U Tx chains.
  • the receiver of device may comprise separate de-interlacer block and Rx chains.
  • Fig. 4 further shows the impact on the mapping on the PSCCH and PSSCH RBs.
  • the solution proposed in this disclosure may achieve technical advantages.
  • the PSCCH and PSSCH are differently adapted for mapping to resources.
  • the position of the PSCCH may be determined by the mapping pattern and the resource granularity in order to minimize the number of PSCCH blind decoding.
  • the mapping solution is flexible on the number of sub-channels that the Tx UE selects for its transmission.
  • Fig. 5 shows a flowchart of an example method 500 implemented at a first terminal device (for example, the terminal device 110) in accordance with some embodiments of the present disclosure.
  • a first terminal device for example, the terminal device 110
  • the method 500 will be described from the perspective of the terminal device 110 with reference to Fig. 1.
  • the terminal device 110 determines a sub-channel for a sidelink shared channel, the sub-channel comprising a first number of interlaces. Interlace comprises a plurality of interlaced radio resource blocks.
  • the terminal device 110 determines a resource granularity for a sidelink control channel. The resource granularity comprises a second number of interlaces. The first number and the second number are configured separately.
  • the terminal device 110 transmits, based on a mapping pattern of sidelink control channel and an association with the first number of interlaces, at least one sidelink transmission to the terminal device 120 on at least one of the sidelink shared channel or the sidelink control channel.
  • the sub-channel is the lowest sub-channel of the sub-channels allocated for the sidelink shared channel.
  • the terminal device 110 is caused to transmit the at least one sidelink transmission based on the mapping pattern and the association by: mapping, in ascending order of the third number of clusters, a resource granularity allocated for the sidelink control channel to a first part of a respective cluster of the third number of clusters one on one, the first part starting from the low boundary of the respective cluster and comprising the resource granularity.
  • the terminal device 110 is further caused to: map, in ascending order of the third number of clusters, a remaining resource granularity allocated for the sidelink control channel to a second part of a respective cluster of the third number of clusters one on one, the second part starting from a upper boundary of the first part and comprising the resource granularity.
  • the terminal device 110 is caused to transmit the at least one sidelink transmission based on the mapping pattern and the association by: mapping a plurality of resource granularities allocated for the sidelink control channel to a third part of a cluster of the third number of clusters, until remaining interlaces in the cluster to which the plurality of resource granularities mapped is smaller than the resource granularity, the third part starting from the low boundary of the cluster and being the N times the resource granularities.
  • the mapping is performed in ascending order of the fourth number of clusters.
  • the terminal device 110 is further caused to at least one of: receive a first indication that is indicative of a mapping pattern; or transmit the first indication to the terminal device 120.
  • the terminal device 110 is further caused to at least one of: receive a second indication that is indicative of the first number and the second number; or transmit the second indication to the terminal device 120.
  • the interface comprises a Resource Block (RB) in the resource set.
  • the shared channel comprises a Physical Sidelink Shared Channel (PSSCH) and the control channel comprises a Physical Sidelink Control Channel (PSCCH) .
  • PSSCH Physical Sidelink Shared Channel
  • PSCCH Physical Sidelink Control Channel
  • Fig. 6 shows a flowchart of an example method 600 implemented at a second terminal device (for example, the terminal device 120) in accordance with some embodiments of the present disclosure.
  • a second terminal device for example, the terminal device 120
  • the method 600 will be described from the perspective of the terminal device 120 with reference to Fig. 1.
  • the terminal device 120 determines a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces.
  • a first number of interlaces are used for a sidelink shared channel.
  • Interlace comprises a plurality of interlaced resources. The first number and the second number are configured separately.
  • the terminal device 120 receives, based on a mapping pattern and an association with the first number of interlaces, at least one sidelink transmission from the terminal device 110 on at least one of the sidelink shared channel or the sidelink control channel.
  • the terminal device 120 is further caused to: determine a sub-channel for a sidelink shared channel based on received sidelink control channel, the sub-channel comprising a first number of interlaces. In some embodiments, the terminal device 120 is further caused to: determine a sub-channel for a sidelink shared channel based on at least one of a predefined channel configuration and a channel indication from the terminal device 110 or the network device 130. In some embodiments, the sub-channel is the lowest sub-channel of the sub-channels allocated for the sidelink shared channel.
  • the sub-channel comprises a third number of clusters and a cluster of the third number of clusters has the first number of interlaces; or the sidelink control channel comprises a fourth number of clusters and a cluster of the fourth number clusters has an N times the resource granularities, the N being an integer, the third number being greater than or equal to the fourth number.
  • the terminal device 120 is caused to receive the at least one sidelink transmission based on the mapping pattern and the association by: mapping, in ascending order of the third number of clusters, a resource granularity allocated for the sidelink control channel to a first part of a respective cluster of the third number of clusters one on one, the first part starting from the low boundary of the respective cluster and comprising the resource granularity.
  • the terminal device 120 is further caused to: map, in ascending order of the third number of clusters, a remaining resource granularity allocated for the sidelink control channel to a second part of a respective cluster of the third number of clusters one on one, the second part starting from a upper boundary of the first part and comprising the resource granularity.
  • the terminal device 120 is caused to transmit the at least one sidelink transmission based on the mapping pattern and the association by: mapping a plurality of resource granularities allocated for the sidelink control channel to a third part of a cluster of the third number of clusters, until remaining interlaces in the cluster to which the plurality of resource granularities mapped is smaller than the resource granularity, the third part starting from the low boundary of the cluster and being the N times the resource granularities.
  • the mapping is performed in ascending order of the fourth number of clusters.
  • the terminal device 120 is further caused to transmit a first indication that is indicative of a mapping pattern to the terminal device 110.
  • the terminal device 120 is further caused to at least one of: receive a second indication that is indicative of the first number and the second number; or transmit the second indication to the terminal device 110.
  • the interface comprise a Resource Block (RB) in the resource set.
  • the shared channel comprises a Physical Sidelink Shared Channel (PSSCH) and the control channel comprises a Physical Sidelink Control Channel (PSCCH) .
  • PSSCH Physical Sidelink Shared Channel
  • PSCCH Physical Sidelink Control Channel
  • Fig. 7 shows a flowchart of an example method 700 implemented at a network device (for example, the network device 130) in accordance with some embodiments of the present disclosure.
  • a network device for example, the network device 130
  • the method 600 will be described from the perspective of the network device 130 with reference to Fig. 1.
  • the network device 130 transmits, to at least one of the terminal device 110 and the terminal device 120, a second indication that is indicative of a first number and a second number.
  • the first number of interlaces are used for a subchannel that is allocated to a shared channel between the terminal device 110 and the terminal device 120.
  • a second number of interlaces are determined as a resource granularity for a sidelink control channel between the terminal device 110 and the terminal device 120.
  • Interlace comprises a plurality of interlaced resources. The first number and the second number are configured separately.
  • the network device 130 is further caused to transmit a first indication that is indicative of a mapping pattern to at least one of the terminal device 110 or the terminal device 120.
  • an apparatus capable of performing any of the method 500 may comprise means for performing the respective steps of the method 500.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises means for determining a sub-channel for a sidelink shared channel, the sub-channel comprising a first number of interlaces, an interlace comprising a plurality of interlaced radio resource blocks; means for determining a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces, the first number and the second number being configured separately; and means for transmitting, based on a mapping pattern between the sidelink control channel and the first number of interlaces, at least one sidelink transmission to a second terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • the sub-channel is the lowest sub-channel of the sub-channels allocated for the sidelink shared channel.
  • the apparatus further comprises means for mapping, in ascending order of the third number of clusters, a resource granularity allocated for the sidelink control channel to a first part of a respective cluster of the third number of clusters one on one, the first part starting from the low boundary of the respective cluster and comprising the resource granularity.
  • the apparatus further comprises means for based on determining that radio resource blocks required for the sidelink control channel is greater than radio resource blocks provided by the third number of resource granularities, mapping, in ascending order of the third number of clusters, a remaining resource granularity allocated for the sidelink control channel to a second part of a respective cluster of the third number of clusters one on one, the second part starting from a upper boundary of the first part and comprising the resource granularity.
  • the apparatus further comprises means for transmitting the at least one sidelink transmission based on the mapping pattern and the association by: mapping a plurality of resource granularities allocated for the sidelink control channel to a third part of a cluster of the third number of clusters, until remaining interlaces in the cluster to which the plurality of resource granularities mapped is smaller than the resource granularity, the third part starting from the low boundary of the cluster and being the N times the resource granularities.
  • the mapping is performed in ascending order of the fourth number of clusters.
  • the apparatus further comprises means for receiving a first indication that is indicative of a mapping pattern; or means for transmitting the first indication to the terminal device 120.
  • the apparatus further comprises means for receive a second indication that is indicative of the first number and the second number; or means for transmitting the second indication to the terminal device 120.
  • the interface comprises a Resource Block (RB) in the resource set.
  • the shared channel comprises a Physical Sidelink Shared Channel (PSSCH) and the control channel comprises a Physical Sidelink Control Channel (PSCCH) .
  • PSSCH Physical Sidelink Shared Channel
  • PSCCH Physical Sidelink Control Channel
  • the apparatus further comprises means for performing other steps in some embodiments of the method 500.
  • the means comprises at least one processor; and at least one memory including computer program code, the at least one memory and computer program code configured to, with the at least one processor, cause the performance of the apparatus.
  • an apparatus capable of performing any of the method 600 may comprise means for performing the respective steps of the method 600.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises: means for determining a resource granularity for a sidelink control channel, the resource granularity comprising a second number of interlaces, a first number of interlaces being used for a sidelink shared channel, an interlace comprising a plurality of interlaced resources, the first number and the second number being configured separately; and means for receiving, based on a mapping pattern between the sidelink control channel and the first number of interlaces, at least one sidelink transmission from a first terminal device on at least one of the sidelink shared channel or the sidelink control channel.
  • the apparatus further comprises means for determining a sub-channel for a sidelink shared channel based on received sidelink control channel, the sub-channel comprising a first number of interlaces. In some embodiments, the apparatus further comprises means for determining a sub-channel for a sidelink shared channel based on at least one of a predefined channel configuration and a channel indication from the terminal device 110 or the network device 130. In some embodiments, the sub-channel is the lowest sub-channel of the sub-channels allocated for the sidelink shared channel.
  • the sub-channel comprises a third number of clusters and a cluster of the third number of clusters has the first number of interlaces; or the sidelink control channel comprises a fourth number of clusters and a cluster of the fourth number clusters has an N times the resource granularities, the N being an integer, the third number being greater than or equal to the fourth number.
  • the apparatus further comprises means for receiving the at least one sidelink transmission based on the mapping pattern and the association by: mapping, in ascending order of the third number of clusters, a resource granularity allocated for the sidelink control channel to a first part of a respective cluster of the third number of clusters one on one, the first part starting from the low boundary of the respective cluster and comprising the resource granularity.
  • the apparatus further comprises means for mapping, in ascending order of the third number of clusters, a remaining resource granularity allocated for the sidelink control channel to a second part of a respective cluster of the third number of clusters one on one, the second part starting from a upper boundary of the first part and comprising the resource granularity.
  • the apparatus further comprises means for transmitting the at least one sidelink transmission based on the mapping pattern and the association by: mapping a plurality of resource granularities allocated for the sidelink control channel to a third part of a cluster of the third number of clusters, until remaining interlaces in the cluster to which the plurality of resource granularities mapped is smaller than the resource granularity, the third part starting from the low boundary of the cluster and being the N times the resource granularities.
  • the mapping is performed in ascending order of the fourth number of clusters.
  • the apparatus further comprises means for transmitting a first indication that is indicative of a mapping pattern to the terminal device 110.
  • the apparatus further comprises means for receiving a second indication that is indicative of the first number and the second number; or means for transmitting the second indication to the terminal device 110.
  • the interface comprise a Resource Block (RB) in the resource set.
  • the shared channel comprises a Physical Sidelink Shared Channel (PSSCH) and the control channel comprises a Physical Sidelink Control Channel (PSCCH) .
  • PSSCH Physical Sidelink Shared Channel
  • PSCCH Physical Sidelink Control Channel
  • the apparatus further comprises means for performing other steps in some embodiments of the method 600.
  • the means comprises at least one processor; and at least one memory including computer program code, the at least one memory and computer program code configured to, with the at least one processor, cause the performance of the apparatus.
  • an apparatus capable of performing any of the method 700 may comprise means for performing the respective steps of the method 700.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises: means for transmitting, to at least one of a first terminal device and a second terminal device, a second indication that is indicative of a first number and a second number, wherein the first number of interlaces are used for a subchannel that is allocated to a shared channel between the first terminal device and the second terminal device, wherein a second number of interlaces are determined as a resource granularity for a sidelink control channel between the first terminal device and the second terminal device, wherein an interlace comprising a plurality of interlaced resources and wherein the first number and the second number being configured separately.
  • the apparatus further comprises means for transmitting a first indication that is indicative of a mapping pattern to at least one of the first terminal device or the second terminal device.
  • the second terminal device comprises user equipment (UE)
  • the first terminal device comprises another UE
  • the third device comprises a network device.
  • the apparatus further comprises means for performing other steps in some embodiments of the method 700.
  • the means comprises at least one processor; and at least one memory including computer program code, the at least one memory and computer program code configured to, with the at least one processor, cause the performance of the apparatus.
  • FIG. 8 is a simplified block diagram of a device 800 that is suitable for implementing embodiments of the present disclosure.
  • the device 800 may be provided to implement the communication device, for example the terminal device 110, the terminal device 120 or the network device 130 as shown in Fig. 1.
  • the device 800 includes one or more processors 810, one or more memories 840 coupled to the processor 810, and one or more transmitters and/or receivers (TX/RX) 840 coupled to the processor 810.
  • TX/RX transmitters and/or receivers
  • the TX/RX 840 is for bidirectional communications.
  • the TX/RX 840 has at least one antenna to facilitate communication.
  • the communication interface may represent any interface that is necessary for communication with other network elements.
  • the processor 810 may be of any type suitable to the local technical network and may include one or more of the following: general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on multicore processor architecture, as non-limiting examples.
  • the device 800 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 memory 820 may include one or more non-volatile memories and one or more volatile memories.
  • the non-volatile memories include, but are not limited to, a Read Only Memory (ROM) 824, an electrically programmable read only memory (EPROM) , a flash memory, a hard disk, a compact disc (CD) , a digital video disk (DVD) , and other magnetic storage and/or optical storage.
  • the volatile memories include, but are not limited to, a random access memory (RAM) 822 and other volatile memories that will not last in the power-down duration.
  • a computer program 830 includes computer executable instructions that are executed by the associated processor 810.
  • the program 830 may be stored in the ROM 824.
  • the processor 810 may perform any suitable actions and processing by loading the program 830 into the RAM 822.
  • the embodiments of the present disclosure may be implemented by means of the program so that the device 800 may perform any process of the disclosure as discussed with reference to FIGs. 2 to 7.
  • the embodiments of the present disclosure may also be implemented by hardware or by a combination of software and hardware.
  • the program 830 may be tangibly contained in a computer readable medium which may be included in the device 800 (such as in the memory 820) or other storage devices that are accessible by the device 800.
  • the device 600 may load the program 630 from the computer readable medium to the RAM 822 for execution.
  • the computer readable medium may include any types of tangible non-volatile storage, such as ROM, EPROM, a flash memory, a hard disk, CD, DVD, and the like.
  • Fig. 9 shows an example of the computer readable medium 700 in form of CD or DVD.
  • the computer readable medium has the program 830 stored thereon.
  • 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 representations, it is to be understood that the block, apparatus, system, technique or method 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 method 500, 600 or 700 as described above with reference to FIGs. 2-7.
  • 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 computer program codes or related data may be carried by any suitable carrier to enable the device, apparatus or processor to perform various processes and operations as described above.
  • Examples of the carrier include a signal, computer readable medium, and the like.
  • the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
  • a computer 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. More specific examples of the computer 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.
  • non-transitory is a limitation of the medium itself (i.e., tangible, not a signal) as opposed to a limitation on data storage persistency (e.g., RAM vs. ROM) .

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Abstract

Des modes de réalisation de la présente divulgation ont trait aux communications de liaison latérale. Un premier dispositif terminal comprend au moins un processeur et au moins une mémoire stockant des instructions qui, lorsqu'elles sont exécutées par le ou les processeurs, amènent le premier dispositif terminal au moins à déterminer un sous-canal pour un canal partagé de liaison latérale. Le sous-canal comprend un premier nombre d'entrelacements. Un entrelacement comprend une pluralité de blocs de ressources radioélectriques entrelacés. Le premier dispositif terminal est en outre amené à déterminer une granularité de ressources pour un canal de commande de liaison latérale, la granularité des ressources comprenant un second nombre d'entrelacements. Le premier nombre et le second nombre sont configurés séparément. Le premier dispositif terminal est en outre amené à transmettre, sur la base d'un modèle de mappage de canal de commande de liaison latérale et d'une association avec le premier nombre d'entrelacements, au moins une transmission de liaison latérale à un second dispositif terminal sur le canal partagé de liaison latérale et/ou sur le canal de commande de liaison latérale.
PCT/CN2022/110667 2022-08-05 2022-08-05 Procédés, dispositifs, appareils et support de stockage lisible par ordinateur destinés aux communications WO2024026863A1 (fr)

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Citations (3)

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