Method, apparatus, and computer program product for wireless communication

Abstract

A method, a device, and a computer program product for wireless communication are provided. The method includes transmitting, by a first wireless communication terminal, a physical sidelink feedback channel (PSFCH) to a second wireless communication terminal via a common resource block (RB), wherein the common RB is shared by one or more PSFCHs.

Description

Technical Field

[0001] This document generally relates to wireless communication, particularly fifth generation (5G) or sixth generation (6G) communication. th generation) or sixth generation (6G: 6 th generation) communication.

Background Art

[0002] To meet the requirements for the occupied channel bandwidth (OCB) of unauthorized spectrum, the channel structure of the physical sidelink feedback channel (PSFCH) needs to evolve. However, when each single PSFCH is extended from resource blocks (RBs) to interleaves, especially considering that the mapping between the physical sidelink shared channel (PSSCH) and the PSFCH becomes one-to-multiple to ensure feedback delivery, resources will be consumed in the frequency domain. Furthermore, there is an in-band emission (IBE) problem caused by power leakage from resource blocks (RBs) within an interleave to other RBs in adjacent interleaves.

Summary of the Invention

Means for Solving the Problems

[0003] The present disclosure relates to a method, a device, and a computer program product for sidelink transmission including a PSFCH.

[0004] One aspect of the present disclosure relates to a wireless communication method. In one embodiment, the wireless communication method is for a first wireless communication terminal to transmit a physical sidelink feedback channel (PSFCH) to a second wireless communication terminal via a common resource block (RB), where the common RB is shared by one or more PSFCHs. Note that the term "RB" as used in the present disclosure may refer to an interlace resource block, a non-interlace resource block, a physical resource block, and / or a virtual resource block (usually simply denoted as RB) unless otherwise specified.

[0005] Another aspect of the present disclosure relates to a wireless communication method. In one embodiment, the wireless communication method is for a second wireless communication terminal to receive a physical sidelink feedback channel (PSFCH) from a first wireless communication terminal via a common resource block (RB), where the common RB is shared by one or more PSFCHs.

[0006] Another aspect of the present disclosure relates to a wireless communication terminal. In one embodiment, the wireless communication terminal includes a communication unit and a processor. The processor is configured such that the wireless communication method is for a second wireless communication terminal to transmit a physical sidelink feedback channel (PSFCH) to a second wireless communication terminal via a common resource block (RB), where the common RB is shared by one or more PSFCHs.

[0007] Another aspect of the present disclosure relates to a wireless communication terminal. In one embodiment, the wireless communication terminal includes a communication unit and a processor. The processor is configured to receive a physical sidelink feedback channel (PSFCH) from a first wireless communication terminal via a common resource block (RB), where the common RB is shared by one or more PSFCHs.

[0008] Various embodiments can preferably implement the following features. Preferably, the common RB is not associated with a physical sidelink shared channel (PSSCH) received by the first wireless communication terminal from a second wireless communication terminal.

[0009] Preferably, the common RB is continuous or discontinuous. Preferably, the common RB is pre-configured, configured, or pre-determined for each resource pool, each RB set, or each sub-channel.

[0010] Preferably, the common RB includes in-cell guard RBs. Preferably, the common RB is determined according to at least one of a bitmap, or a pre-configured, configured, or pre-determined number of common RBs or IRBs, a pre-configured, configured, or pre-determined offset, or a pre-configured, configured, or pre-determined offset with respect to a reference point.

[0011] Preferably, the pre-configured, configured, or pre-determined offset (with respect to the reference point) is a frequency offset measured in units of RBs or IRBs and can be 0.

[0012] Preferably, the reference point can be the highest or lowest RB (the RB with the highest or lowest index) in a resource pool, subchannel, RB set, or BWP.

[0013] Preferably, the length of the bitmap corresponds to the number of RBs within an interlace, within a resource pool, within an RB set, within a subchannel, within a BWP, or within a set of RBs.

[0014] Preferably, the set of RBs is indicated as the RBs not used for carrying PSFCH information via the bit status in the bitmap.

[0015] Preferably, the length of the bitmap corresponds to the number of interlaced resource blocks (IRBs) within a resource pool, within an RB set, within a subchannel, within a BWP, or within a set of IRBs.

[0016] Preferably, the set of IRBs is indicated as the IRBs not used for carrying PSFCH information via the bit status in the bitmap.

[0017] Preferably, the bits of the bitmap have a first status indicating that the corresponding RB or IRB is not being used for hybrid automatic repeat request (HARQ) acknowledgement (ACK) feedback or inter user equipment coordination (IUC) information.

[0018] Preferably, the bits of the bitmap have a second status indicating that the corresponding RB or IRB is being used for HARQ ACK feedback or inter user equipment coordination (IUC) information.

[0019] Preferably, the bits of the bitmap have a third status indicating that the corresponding RB or IRB is one of the common RBs.

[0020] Preferably, a pre-configuration, configuration, or pre-determination common to a plurality of PSFCHs carrying HARQ-ACK feedback and IUC information indicates one or more RBs, IRBs, or resource elements (REs) that are not used for any transmission.

[0021] Preferably, the common RB includes a guard RB, IRB, or resource element, RE, and the guard RB, IRB, or RE includes at least one of the highest or lowest configured, pre-configured, or pre-determined RB, IRB, or RE within an RB group in the common RB.

[0022] Preferably, an RB group is a set of RBs including at least one of adjacent RBs or IRBs within the common RB, or the lowest or highest RB or IRB within the common RB or IRB.

[0023] Preferably, the bits of the bitmap have a fourth status indicating that the corresponding RB or IRB is not used for any transmission.

[0024] Preferably, a guard resource set including at least one of one or more RBs, one or more IRBs, or one or more REs that are not used for any transmission and have a configured, pre-configured, or pre-determined offset with respect to a common RB or IRB, or a reference point.

[0025] Preferably, the reference point can be the highest or lowest RB (the RB with the highest or lowest index) in a resource pool, subchannel, RB set, or BWP.

[0026] Preferably, the common RB is determined based on the base RB, and the base RB is at least one of the number of RBs or IRBs from a resource pool, a subchannel, an RB set, or a BWP, and the length of a bitmap for indicating the transmitted PSFCH that carries HARQ-ACK, the length of a bitmap for indicating the transmitted PSFCH that carries IUC information, or the sum of the length of the bitmap for indicating the transmitted PSFCH that carries HARQ-ACK and the length of the bitmap for indicating the transmitted PSFCH that carries IUC information.

[0027] Preferably, the number of base RBs or IRBs is determined as the remainder when the number of RBs or IRBs from a resource pool, a subchannel, an RB set, or a BWP is divided by at least one of the length of a bitmap for indicating the transmitted PSFCH that carries HARQ-ACK, the length of a bitmap for indicating the transmitted PSFCH that carries IUC information, or the sum of the length of the bitmap for indicating the transmitted PSFCH that carries HARQ-ACK and the length of the bitmap for indicating the transmitted PSFCH that carries IUC information.

[0028] Preferably, the number of common RBs or IRBs is determined by equally dividing or distributing the number of base RBs or IRBs among a resource pool, a subchannel, an RB set, or a set of RBs or BWPs.

[0029] Preferably, the common RB or IRB is at least one of a subset of the base RB indicated via a common RB or IRB bitmap, or a pre-configured, configured, or pre-determined number of common RBs or IRBs, a pre-configured, configured, or pre-determined offset, or a pre-configured, configured, or pre-determined offset relative to a reference point.

[0030] Preferably, the pre-configured, configured, or pre-determined offset (with respect to the reference point) may be a frequency offset measured in units of RB or IRB and may be 0.

[0031] Preferably, the reference point may be the highest or lowest RB (the RB with the highest or lowest index) in a resource pool, sub-channel, RB set, or BWP.

[0032] Preferably, the base RB or IRB includes guard RBs or IRBs. Preferably, the guard RB is at least one of a subset of the base RBs indicated via an RB or IRB bitmap, or a pre-configured, configured, or pre-determined number of guard RBs or IRBs, a pre-configured, configured, or pre-determined offset, a pre-configured, configured, or pre-determined offset with respect to the reference point.

[0033] Preferably, the pre-configured, configured, or pre-determined offset (with respect to the reference point) is a frequency offset measured in units of RB or IRB and may be 0.

[0034] Preferably, the reference point may be the highest or lowest RB or IRB (the RB or IRB with the highest or lowest index) in a resource pool, sub-channel, RB set, or BWP.

[0035] Preferably, a guard interference set including one or more configured, pre-configured, or pre-determined interlaces that are not used for any transmission having a common RB or IRB, or a configured, pre-configured, or pre-determined offset with respect to the reference point.

[0036] Preferably, the reference point may be the highest or lowest RB (the RB having the highest or lowest index) in a resource pool, sub-channel, RB set, or BWP.

[0037] The exemplary embodiments disclosed herein are directed to providing features that will be readily apparent by reference to the following description when taken in conjunction with the accompanying drawings. According to various embodiments, exemplary systems, methods, apparatuses, and computer program products are disclosed herein. However, it is understood that these embodiments are presented by way of example and not limitation, and it will be apparent to those skilled in the art having read this disclosure that various modifications to the disclosed embodiments can be made within the scope of this disclosure.

[0038] Accordingly, this disclosure is not limited to the exemplary embodiments and applications described and illustrated herein. Further, the particular order and / or hierarchy of acts in the methods disclosed herein are merely exemplary approaches. Based on design preferences, the particular order or hierarchy of acts in the disclosed methods or processes can be rearranged while remaining within the scope of this disclosure. Thus, those skilled in the art will understand that the methods and techniques disclosed herein present various acts and operations in sample order, and this disclosure is not limited to the particular order or hierarchy presented unless otherwise expressly stated.

[0039] The above and other aspects and their embodiments are described in more detail in the drawings, description, and claims.

Brief Description of the Drawings

[0040]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Mode for Carrying Out the Invention

[0041] In some embodiments, for interleaved transmission, the number of CRBs included in the interleaving may exceed 10.

[0042] In some embodiments, for association with the Physical Sidelink Feedback Channel (PSFCH) and the Physical Sidelink Shared Channel (PSSCH), start subchannel association or full subchannel association may be used. When each interleaving of the PSFCH is associated with the PSFCH, full subchannel association may be more demanding.

[0043] In some embodiments, a user equipment (UE) may determine the number of PSFCH resources available for multiplexing Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) or contention information in PSFCH transmission.

[0044] Embodiment 1: In one embodiment, a set of RBs or IRBs is (pre-)configured or pre-determined as a common RB or IRB. In one embodiment, each PSFCH may occupy some or all of the resources on these RBs or IRBs. In one embodiment, these RBs or IRBs are shared by one or more PSFCHs. These RBs or IRBs are hereinafter referred to as common RBs or IRBs. In one embodiment, one or more PSFCHs can carry HARQ-ACK feedback and IUC information. In one embodiment, the common RB or IRB can be either continuous or discontinuous. In one embodiment, the common RB or IRB can be (pre-)configured or pre-determined for each resource pool, each RB set, or each sub-channel. In one embodiment, the common RB or IRB may include in-cell guard RBs or IRBs. In one embodiment, as shown in FIG. 5, the common RB or IRB can be (pre-)configured or determined via a bitmap or at least one of a (pre-)configured and / or pre-determined number of RBs, a (pre-)configured and / or pre-determined offset measured in an RB or IRB, a (pre-)configured and / or pre-determined offset measured in an RB or IRB relative to a reference point in an RB or IRB. The reference point can be the highest or lowest RB and / or IRB in a resource pool, sub-channel, RB set, or BWP (e.g., the RB and / or IRB with the highest or lowest index). In one embodiment, the length of the bitmap can be associated with (e.g., equal to) the number of RBs in an interlace, a resource pool, an RB set, a sub-channel, a bandwidth part (BWP), or a set of RBs (e.g., this set of RBs is indicated as not being used to carry PSFCH information via the bit status in the bitmap).In one embodiment, the length of the bitmap can be associated with (e.g., equal to) the number of interlace resource blocks (IRBs) in the resource pool, an RB set, a subchannel, a BWP, or a set of IRBs (e.g., this set of IRBs is shown as not being used to carry PSFCH information via the bit status in the bitmap).

[0045] Note that the term "RB" as used in this disclosure can refer to an interlace resource block, a non - interlace resource block, a physical resource block, and / or a virtual resource block, unless otherwise specified.

[0046] Embodiment 2: In one embodiment, a common RB or IRB can be indicated via a bitmap L. In one embodiment, the length of the bitmap L can be associated with (e.g., equal to) the number of RBs or IRBs in the resource pool. In one embodiment, each bit of the bitmap L includes three statuses, shown as status 0, status 1, and status 2 for example. The bit with status 0 indicates the corresponding RB or IRB not used for HARQ ACK feedback or UE - to - UE coordination information. The bit with status 1 indicates the corresponding RB or IRB of the PSFCH used for HARQ ACK feedback or UE - to - UE coordination information. The bit with status 2 indicates that the corresponding RB or IRB is one of the common RBs shared by one or more PSFCHs and not associated with the PSSCH. In one embodiment, the PSFCHs carrying HARQ - ACK feedback and UE - to - UE coordination information can each correspond to a dedicated bitmap L.

[0047] Embodiment 3: In one embodiment, the common RB or IRB can be indicated via a bitmap L. In one embodiment, each bit of the bitmap L includes three statuses indicated, for example, as status 0, status 1, and status 2. The bit of status 0 indicates the corresponding RB or IRB not used for HARQ ACK feedback or inter-UE coordination information. The bit of status 1 indicates the corresponding RB or IRB of the PSFCH used for HARQ ACK feedback or inter-UE coordination information. The bit of status 2 indicates that the corresponding RB or IRB is one of the common RBs shared by multiple PSFCHs and not associated with the PSSCH. In one embodiment, the PSFCHs carrying HARQ-ACK feedback and inter-UE coordination information can each correspond to a dedicated bitmap L. In one embodiment, the pre-configuration, configuration, or pre-determination common to multiple PSFCHs carrying HARQ-ACK feedback and IUC information indicates one or more RBs (e.g., guard RBs) not used for any transmission. The pre-configuration, configuration, pre-determination can be performed via a bitmap having at least one status, for example, a bit having 0 indicating that one or more RBs are not used for transmission. In one embodiment, as shown in FIG. 5, the pre-configuration, configuration, or pre-determination can be performed via at least one of the pre-configured or configured number of common RBs or IRBs, the pre-configured or configured offset, and the pre-configured or configured offset relative to the reference point.

[0048] Embodiment 4: In one embodiment, the common RB or IRB can be indicated via a bitmap L. In one embodiment, each bit of the bitmap L includes three statuses indicated, for example, as status 0, status 1, and status 2. The bit of status 0 indicates the corresponding RB or IRB not used for HARQ ACK feedback or inter-UE coordination information. The bit of status 1 indicates the corresponding RB or IRB of the PSFCH used for HARQ ACK feedback or inter-UE coordination information. The bit of status 2 indicates that the corresponding RB or IRB is one of the common RBs shared by a plurality of PSFCHs and not associated with the PSSCH. In one embodiment, the PSFCHs carrying HARQ-ACK feedback and inter-UE coordination information may each correspond to a dedicated bitmap L. In one embodiment, the common RB or IRB may have a guard RB, IRB, or resource element, RE, and the guard RB, IRB, or RE may have at least one of the highest or lowest configured, pre-configured, or pre-determined RBs, IRBs, or REs of an RB group within the common RB or IRB (e.g., including one or more of the common RBs or IRBs). In one embodiment, the RB group is a set of RBs including at least one of adjacent RBs or IRBs within the common RB or IRB, the lowest RB or IRB within the common RB or IRB (the RB or IRB having the lowest index), or the highest RB or IRB within the common RB or IRB (the RB or IRB having the highest index).

[0049] Embodiment 5: In one embodiment, the common RB or IRB can be indicated via the bitmap L. In one embodiment, each bit of the bitmap L includes four statuses indicated as, for example, status 0, status 1, status 2, and status 3. The bit of status 0 indicates the corresponding RB or IRB not used for HARQ ACK feedback or inter-UE coordination information. The bit of status 1 indicates the corresponding RB or IRB of the PSFCH used for HARQ ACK feedback or inter-UE coordination information. The bit of status 2 indicates that the corresponding RB or IRB is one of the common RBs shared by a plurality of PSFCHs and not associated with the PSSCH. The bit of status 3 indicates that the corresponding RB or IRB is a guard RB or IRB and, for example, cannot transmit any signal / channel including HARQ ACK feedback, inter-UE coordination information, or sidelink synchronization signal block (S-SSB). In one embodiment, the PSFCHs carrying HARQ-ACK feedback and inter-UE coordination information may each correspond to a dedicated bitmap L.

[0050] Embodiment 6: In one embodiment, the common RB is determined based on the base RB, and the base RB is determined according to a number A and a number B. In one embodiment, the number A is the number of RBs or IRBs from a resource pool, a subchannel, an RB set, or a BWP, and the number B is the length of the bitmap for indicating the transmitted PSFCH that carries HARQ-ACK, the length of the bitmap for indicating the transmitted PSFCH that carries IUC information, or at least one of the sum of the length of the bitmap for indicating the transmitted PSFCH that carries HARQ-ACK and the length of the bitmap for indicating the transmitted PSFCH that carries IUC information. In one embodiment, the base RB is the remainder obtained by dividing the number A by the number B. For example, assuming that the number of RBs or IRBs from a resource pool, a subchannel, an RB set, or a BWP is 25 and the sum of the length of the bitmap for indicating the transmitted PSFCH that carries HARQ-ACK and the length of the bitmap for indicating the transmitted PSFCH that carries IUC information is 20, the number of the base RBs is 5. In one embodiment, the base RBs can be distributed at the edges and / or the center of a resource pool, an RB set, a subchannel, or a BWP. In one embodiment, as shown in FIG. 4, the number of common RBs is determined by equally dividing or distributing the number of base RBs among a resource pool, an RB set, a subchannel, a set of RBs, or a BWP. The set of RBs herein refers to pre-configured, configured, or pre-determined RBs from a resource pool, a subchannel, an RB set, or a BWP.

[0051] In one embodiment, the common RB or IRB is a subset of the base RBs or IRBs indicated via a common RB or IRB bitmap, or a pre-configured, configured, or pre-determined number of common RBs or IRBs, a pre-configured, configured, or pre-determined offset, at least one of a pre-configured, configured, or pre-determined offset with respect to a reference point (see FIG. 5). The pre-configured, configured, or pre-determined offset (with respect to the reference point) may be a frequency offset measured in units of RBs or IRBs and may be 0 (see FIG. 5). The reference point may be the highest or lowest PRB or IRB (the PRB or IRB having the highest or lowest index) in a resource pool, sub-channel, RB set, or BWP. In one embodiment, the length of the common RB or IRB bitmap is associated with (e.g., equal to or a part of) the number of base RBs or IRBs.

[0052] In one embodiment, the guard RB or IRB is a subset of the base RBs or IRBs indicated via a guard RB or IRB bitmap, or a pre-configured, configured, or pre-determined number of guard RBs or IRBs, a pre-configured, configured, or pre-determined offset, at least one of a pre-configured, configured, or pre-determined offset with respect to a reference point (see FIG. 5). The pre-configured, configured, or pre-determined offset (with respect to the reference point) may be a frequency offset measured in units of RBs or IRBs and may be 0 (see FIG. 5). The reference point may be the highest or lowest PRB or IRB (the PRB or IRB having the highest or lowest index) in a resource pool, sub-channel, RB set, or BWP. In one embodiment, the length of the guard RB or IRB bitmap is associated with (e.g., equal to or a part of) the number of base RBs or IRBs.

[0053] Embodiment 7: In one embodiment, as shown in FIG. 3, a guard interface set including at least one of the configured, pre-configured, or pre-determined guard interfaces that are not used for any transmission has an offset configured, pre-configured, or pre-determined for a common RB or IRB.

[0054] Embodiment 8: FIG. 1 shows a diagram of resource blocks according to an embodiment of the present disclosure. As shown in FIG. 1, one or more PSFCHs are configured with a shareable common RB. The common RB is not associated with the PSSCH (for example, not used to carry HARQ-ACK feedback and UE-to-UE coordination information). Further, a guard RB that is not used for any transmission is configured.

[0055] FIG. 2 shows a diagram of resource blocks according to an embodiment of the present disclosure. As shown in FIG. 2, a (pre-)configured offset may exist between a plurality of RBs associated with a single PSFCH.

[0056] FIG. 3 shows a diagram of resource blocks according to an embodiment of the present disclosure. As shown in FIG. 3, a guard interface set including one or more guard interfaces can be configured. One guard interface may include, for example, an interface having a frequency offset (such as 0) with respect to one or more guard RBs and / or a common RB.

[0057] Embodiment 9: In one embodiment, dedicated common RBs can be configured, pre-configured, or pre-determined for PSFCHs that carry positive acknowledgment (ACK) or negative acknowledgment (NACK) feedback, respectively. The common RBs for ACK or NACK feedback can be configured or pre-configured via separate bit statuses in a bitmap, or separately configured, pre-configured, or pre-determined via at least one of a pre-configured, configured, or pre-determined number of common RBs or IRBs, a pre-configured, configured, or pre-determined offset, or an offset pre-configured, configured, or pre-determined relative to a reference point.

[0058] Depending on whether to transmit a PSFCH that carries ACK or NACK feedback, the UE may perform the transmission via a common RB corresponding to either ACK or NACK feedback.

[0059] In one embodiment, as shown in FIG. 2 or FIG. 3, the pattern of PSFCH resources that carry HARQ-ACK information or IUC information can be indicated hereinafter, i.e., via at least one of a configured number of RBs, a (pre-)configured or pre-determined offset, and / or an offset (pre-)configured or pre-determined relative to a reference point.

[0060] In one embodiment, as shown in FIG. 4, the base RBs or IRBs can be evenly divided or allocated within a subchannel that includes common RBs or IRBs.

[0061] In one embodiment, as shown in FIG. 5, the resource block (RB) or interference rejection combining resource block (IRB) that carries HARQ ACK information or IUC information within the PSFCH has a configured, pre-configured, or pre-determined frequency offset. The common RB or IRB or guard RB or IRB has a configured, pre-configured, or pre-determined frequency offset between them. The common RB or IRB or guard RB or IRB has a configured, pre-configured, or pre-determined frequency offset with respect to a reference point.

[0062] In one embodiment, a guard resource set including at least one of an RB, IRB, or resource element (RE) not used for any transmission has an offset configured, pre-configured, or pre-determined with respect to the common RB.

[0063] According to one embodiment of the present disclosure, a wireless communication method includes transmitting, by a first wireless communication terminal (e.g., a UE), a physical sidelink feedback channel (PSFCH) to a second wireless communication terminal (e.g., another UE) via a common resource block (RB), wherein the common RB is shared by one or more (other) PSFCHs.

[0064] According to one embodiment of the present disclosure, a wireless communication method includes receiving, by a second wireless communication terminal, a physical sidelink feedback channel (PSFCH) from a first wireless communication terminal via a common resource block (RB), wherein the common RB is shared by one or more (other) PSFCHs.

[0065] Details of the common RB, PSFCH, and related configurations or operations can be confirmed by referring to the above paragraphs and will not be repeated here.

[0066] FIG. 6 relates to a diagram of a wireless communication terminal 30 according to an embodiment of the present disclosure. The wireless communication terminal 30 may be a tag, a mobile phone, a laptop, a tablet computer, an e-book, or a portable computer system, and is not limited herein. The wireless communication terminal 30 may include a processor 300 such as a microprocessor or an application specific integrated circuit (ASIC), a storage unit 310, and a communication unit 320. The storage unit 310 may be any data storage device that stores program code 312 accessed and executed by the processor 300. Embodiments of the storage code 312 include, but are not limited to, a subscriber identity module (SIM), a read-only memory (ROM), a flash memory, a random-access memory (RAM), a hard disk, and an optical data storage device. The communication unit 320 may be a transceiver and is used to transmit and receive signals (e.g., messages or packets) according to the processing results of the processor 300. In one embodiment, the communication unit 320 transmits and receives signals via at least one antenna 322.

[0067] In one embodiment, the storage unit 310 and the program code 312 may be omitted, and the processor 300 may include a storage unit having stored program code.

[0068] The processor 300 may perform any of the steps in the illustrated embodiments on the wireless communication terminal 30, for example, by executing the program code 312.

[0069] The communication unit 320 may be a transceiver. Alternatively or additionally, the communication unit 320 may combine a transmission unit and a reception unit configured to transmit and receive signals to and from a wireless communication node, respectively.

[0070]

[0070] In some embodiments, the wireless communication terminal 30 may be used to perform one of the operations of the above-described tags. In some embodiments, the processor 300 and the communication unit 320 cooperate to perform the above-described operations. For example, the processor 300 performs the operations and transmits or receives signals, messages, and / or information via the communication unit 320.

[0071] Although various embodiments of the present disclosure have been described above, it should be understood that they are presented by way of example only and not by way of limitation. Similarly, the various figures can show exemplary architectures or configurations provided to enable those skilled in the art to understand the exemplary features and functions of the present disclosure. However, such those skilled in the art will understand that the present disclosure is not limited to the illustrated exemplary architectures or configurations and can be implemented using various alternative architectures and configurations. Further, as will be understood by those skilled in the art, one or more features of one embodiment can be combined with one or more features of another embodiment described herein. Therefore, the breadth and scope of the present disclosure should not be limited by any of the above-described exemplary embodiments.

[0072] It should also be understood that any reference in this specification to elements using designations such as "first", "second", etc. generally does not limit the quantity or order of those elements. Rather, these names can be used herein as a convenient means of distinguishing between two or more elements or instances of elements. Thus, references to first and second elements do not mean that only two elements can be used or that the first element must precede the second element in any way.

[0073] Furthermore, those skilled in the art will understand that information and signals can be represented using any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, and symbols that may be referred to through the above description can be represented by voltage, current, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

[0074] Those skilled in the art will further understand that any of the various exemplary logical blocks, units, processors, means, circuits, methods, and functions described in connection with the aspects disclosed herein can be implemented by electronic hardware (e.g., digital implementation, analog implementation, or a combination of the two), firmware, various forms of program or design code incorporating instructions (which may be referred to herein, for convenience, as "software" or "software units"), or any combination of these technologies.

[0075] To clearly illustrate this interchangeability of hardware, firmware, and software, various exemplary components, blocks, units, circuits, and processes have been generally described in terms of their functions. Whether such functions are implemented as hardware, firmware, or software, or a combination of these technologies, depends on the particular application and design constraints imposed on the overall system. Those skilled in the art can implement the described functions in various ways for each particular application, but such implementation decisions should not be construed as departing from the scope of the present disclosure. According to various embodiments, a processor, device, component, circuit, structure, machine, unit, etc. can be configured to perform one or more of the functions described herein. The terms "configured to" or "configured as" used herein with respect to a specified operation or function refer to a processor, device, component, circuit, structure, machine, unit, etc. that is physically constructed, programmed, and / or arranged to perform the specified operation or function.

[0076] Furthermore, those skilled in the art will understand that the various exemplary logic blocks, units, devices, components, and circuits described herein can be implemented in or executed by an integrated circuit (IC) including a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic device, or any combination thereof. The logic blocks, units, and circuits can further include antennas and / or transceivers for communicating with various components within a network or device. The general-purpose processor can be a microprocessor, but in the alternative, the processor can be any conventional processor, controller, or state machine. The processor can also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors cooperating with a DSP core, or any other suitable configuration for performing the functions described herein. When implemented in software, the functions can be stored as one or more instructions or code on a computer-readable medium. Accordingly, the steps of the methods or algorithms disclosed herein can be implemented as software stored on a computer-readable medium.

[0077] A computer-readable medium includes both a computer storage medium and a communication medium including any medium that can be used to transfer a computer program or code from one location to another. The storage medium can be any available medium that can be accessed by a computer. By way of example and not limitation, such computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store the desired program code in the form of instructions or data structures and that can be accessed by a computer.

[0078] As used herein, the term "unit" refers to software, firmware, hardware, and any combination of these elements for performing the associated functions described herein. Further, for purposes of explanation, various units are described as separate units, but as will be apparent to those skilled in the art, two or more units can be combined to form a single unit that performs the associated functions according to embodiments of the present disclosure.

[0079] Furthermore, in embodiments of the present disclosure, a memory or other storage device, as well as communication components, can be used. For clarity, it will be understood that the above description has described embodiments of the present disclosure with reference to different functional units and processors. However, it will be apparent that any suitable distribution of functionality between different functional units, processing logic elements or domains can be used without detracting from the present disclosure. For example, functions shown to be performed by separate processing logic elements or controllers can be performed by the same processing logic element or controller. Thus, references to specific functional units are not intended to indicate a strict logical or physical structure or organization, but rather are references to suitable means for providing the described functionality.

[0080] Various changes to the embodiments described in this disclosure will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the scope of the disclosure. Accordingly, this disclosure is not intended to be limited to the embodiments shown herein, but rather should be accorded the widest scope consistent with the novel features and principles disclosed herein as set forth in the following claims.

Claims

1. A wireless communication method, wherein a first wireless communication terminal transmits a physical sidelink feedback channel (PSFCH) to a second wireless communication terminal via a common resource block (RB), and the common RB is shared by one or more PSFCHs.

2. The wireless communication method according to claim 1, wherein the common RB is not associated with a physical sidelink shared channel (PSSCH) received by the first wireless communication terminal from the second wireless communication terminal.

3. The wireless communication method according to claim 1 or 2, wherein the common RB is continuous or discontinuous.

4. The wireless communication method according to any one of claims 1 to 3, wherein the common RB is pre-configured, configured, or pre-determined for each resource pool, each RB set, or each sub-channel.

5. The wireless communication method according to any one of claims 1 to 4, wherein the common RB includes one or more in-cell guard RBs.

6. The wireless communication method according to any one of claims 1 to 5, wherein the common RB is determined according to at least one of a bitmap, or a pre-configured, configured, or pre-determined number of the common RBs or IRBs, a pre-configured, configured, or pre-determined offset, and a pre-configured, configured, or pre-determined offset with respect to a reference point.

7. The wireless communication method according to claim 6, wherein the length of the bitmap corresponds to the number of RBs within an interlace, within a resource pool, within an RB set, within a sub-channel, within a bandwidth part, within a BWP, or within a set of RBs.

8. The wireless communication method according to claim 7, wherein the set of RBs is indicated as the RBs not used for carrying the PSFCH information via the bit status within the bitmap.

9. The wireless communication method according to claim 6, wherein the length of the bitmap corresponds to the number of interlaced resource blocks (IRBs) within a resource pool, within an RB set, within a sub-channel, within a BWP, or within a set of IRBs.

10. The set of IRBs is the wireless communication method according to claim 9, shown as the IRBs not used for carrying the PSFCH information via the bit status in the bitmap.

11. The bits of the bitmap have a first status indicating that the corresponding RB or IRB is not used for hybrid automatic repeat request (HARQ) acknowledgement (ACK) feedback or inter user equipment coordination (IUC) information, the wireless communication method according to any one of claims 6 to 10.

12. The bits of the bitmap have a second status indicating that the corresponding RB or IRB is used for HARQ ACK feedback or inter user equipment coordination (IUC) information, the wireless communication method according to any one of claims 6 to 11.

13. The bits of the bitmap have a third status indicating that the corresponding RB or IRB is one of the common RBs, the wireless communication method according to any one of claims 6 to 12.

14. A pre-configuration, configuration or pre-determination common to a plurality of PSFCHs carrying HARQ-ACK feedback and IUC information indicates one or more RBs, IRBs or resource elements (REs) not used for any transmission, the wireless communication method according to any one of claims 6 to 13.

15. The common RB includes a guard RB, IRB, or resource element (RE), and the guard RB, IRB, or RE includes at least one of the highest or lowest configured, pre-configured, or pre-determined RB, IRB, or RE in an RB group within the common RB, the wireless communication method according to any one of claims 6 to 14.

16. The RB group is a set of RBs including at least one of adjacent RBs or IRBs within the common RB, or the lowest or highest RB or IRB within the common RB or IRB, the wireless communication method according to claim 15.

17. The wireless communication method according to any one of claims 6 to 13, wherein the bits of the bitmap have a fourth status indicating that the corresponding RB or IRB is not used for any transmission.

18. A guard resource set including at least one of one or more RBs, one or more IRBs, or one or more REs that are not used for any transmission having a configured, pre-configured, or pre-determined offset with respect to the common RB or IRB, the wireless communication method according to any one of claims 1 to 17.

19. The common RB is determined based on a base RB, and the base RB is the number of RBs or IRBs from a resource pool, sub-channel, RB set, or BWP, the length of a bitmap for indicating the transmitted PSFCH carrying HARQ-ACK, the length of the bitmap for indicating the transmitted PSFCH carrying IUC information, or at least one of the sum of the length of the bitmap for indicating the transmitted PSFCH carrying HARQ-ACK and the length of the bitmap for indicating the transmitted PSFCH carrying IUC information, the wireless communication method according to any one of claims 1 to 5.

20. The number of the base RBs or IRBs is determined as the remainder obtained by dividing the number of RBs or IRBs from a resource pool, sub-channel, RB set, or BWP by at least one of the length of a bitmap for indicating the transmitted PSFCH carrying HARQ-ACK, the length of the bitmap for indicating the transmitted PSFCH carrying IUC information, or the sum of the length of the bitmap for indicating the transmitted PSFCH carrying HARQ-ACK and the length of the bitmap for indicating the transmitted PSFCH carrying IUC information, the wireless communication method according to claim 19.

21. The number of the common RBs is determined by equally dividing the number of the base RBs in a resource pool, RB set, sub-channel, set of RBs, or BWP, the wireless communication method according to claim 19 or 20.

22. The common RB is at least one of a subset of the base RBs indicated via a common RB bitmap, or a pre-configured, configured, or pre-determined number of the common RBs, a pre-configured, configured, or pre-determined offset, a pre-configured, configured, or pre-determined offset with respect to a reference point, according to any one of claims 19 to 21.

23. The guard RB is at least one of a subset of the base RBs indicated via a guard RB bitmap, or a pre-configured, configured, or pre-determined number of the base RBs or the common RBs, a pre-configured, configured, or pre-determined offset, a pre-configured, configured, or pre-determined offset with respect to a reference point, according to any one of claims 19 to 22.

24. A guard interference set including one or more configured, pre-configured, or pre-determined interferences that are not used for any transmission having a configured, pre-configured, or pre-determined offset with respect to the common RB or a reference point, according to any one of claims 1 to 23.

25. A wireless communication method, wherein a second wireless communication terminal receives a physical sidelink feedback channel (PSFCH) from a first wireless communication terminal via a common resource block (RB), and the common RB is shared by one or more PSFCHs.

26. The common RB is not associated with a physical sidelink shared channel, PSSCH, received from the second wireless communication terminal by the first wireless communication terminal, according to claim 25.

27. The common RB is continuous or discontinuous, according to claim 25 or 26.

28. The common RB is pre-configured, configured, or pre-determined for each resource pool, each RB set, or each sub-channel, according to any one of claims 25 to 27.

29. The wireless communication method according to any one of claims 25 to 28, wherein the common RB includes one or more in-cell guard RBs.

30. The wireless communication method according to any one of claims 25 to 29, wherein the common RB is determined according to at least one of a bitmap, or a pre-configured, configured, or pre-determined number of the common RBs or IRBs, a pre-configured or configured offset, and a pre-configured or configured offset with respect to a reference point.

31. The wireless communication method according to claim 30, wherein the length of the bitmap corresponds to the number of RBs in an interlace, in a resource pool, in an RB set, in a subchannel, in a bandwidth part (BWP), or in a set of RBs.

32. The wireless communication method according to claim 31, wherein the set of RBs is indicated as the RBs not used for carrying the PSFCH information via bit statuses in the bitmap.

33. The wireless communication method according to claim 30, wherein the length of the bitmap corresponds to the number of interlaced resource blocks (IRBs) in a resource pool, in an RB set, in a subchannel, in a BWP, or in a set of IRBs.

34. The wireless communication method according to claim 33, wherein the set of IRBs is indicated as the IRBs not used for carrying the PSFCH information via bit statuses in the bitmap.

35. The wireless communication method according to any one of claims 30 to 34, wherein the bits of the bitmap have a first status indicating that the corresponding RB or IRB is not used for hybrid automatic repeat request (HARQ) acknowledgement (ACK) feedback or inter user equipment coordination (IUC) information.

36. The method for wireless communication according to any one of claims 30 to 35, wherein the bits of the bitmap have a second status indicating that the corresponding RB or IRB is used for HARQ ACK feedback or inter user equipment coordination (IUC) information.

37. The method for wireless communication according to any one of claims 30 to 36, wherein the bits of the bitmap have a third status indicating that the corresponding RB or IRB is one of the common RBs.

38. The method for wireless communication according to any one of claims 30 to 37, wherein a common pre-configuration, configuration, or pre-determination for a plurality of PSFCHs carrying HARQ-ACK feedback and IUC information indicates one or more RBs, IRBs, or REs that are not used for any transmission.

39. The method for wireless communication according to any one of claims 30 to 38, wherein the common RB includes a guard RB, IRB, or resource element, RE, and the guard RB, IRB, or RE includes at least one of the highest or lowest configured, pre-configured, or pre-determined RB, IRB, or RE within an RB group within the common RB.

40. The method for wireless communication according to claim 39, wherein the RB group is a set of RBs including at least one of adjacent RBs or IRBs within the common RB, or the lowest or highest RB or IRB within the common RB or IRB.

41. The method for wireless communication according to any one of claims 30 to 37, wherein the bits of the bitmap have a fourth status indicating that the corresponding RB or IRB is not used for any transmission.

42. The method for wireless communication according to any one of claims 25 to 41, including a guard resource set including at least one of one or more RBs, one or more IRBs, or one or more REs that are not used for any transmission and have an offset configured, pre-configured, or pre-determined for the common RB or IRB.

43. The common RB is determined based on the base RB, and the base RB is the number of RBs or IRBs from a resource pool, subchannel, RB set, or BWP, and the length of a bitmap for indicating the transmitted PSFCH that carries HARQ-ACK, the length of the bitmap for indicating the transmitted PSFCH that carries IUC information, or at least one of the sum of the length of the bitmap for indicating the transmitted PSFCH that carries HARQ-ACK and the length of the bitmap for indicating the transmitted PSFCH that carries IUC information. The wireless communication method according to any one of claims 25 to 29.

44. The number of the base RBs or IRBs is determined as the remainder obtained by dividing the number of RBs or IRBs from a resource pool, subchannel, RB set, or BWP by at least one of the length of a bitmap for indicating the transmitted PSFCH that carries HARQ-ACK, the length of the bitmap for indicating the transmitted PSFCH that carries IUC information, or the sum of the length of the bitmap for indicating the transmitted PSFCH that carries HARQ-ACK and the length of the bitmap for indicating the transmitted PSFCH that carries IUC information. The wireless communication method according to claim 43.

45. The number of the common RBs is determined by equally dividing the number of the base RBs in a resource pool, RB set, subchannel, set of RBs, or BWP. The wireless communication method according to claim 43 or 44.

46. The common RB is a subset of the base RBs indicated via a common RB bitmap, or a pre-configured, configured, or pre-determined number of the common RBs, a pre-configured, configured, or pre-determined offset, or at least one of a pre-configured, configured, or pre-determined offset with respect to a reference point. The wireless communication method according to any one of claims 43 to 45.

47. The guard RB is at least one of a subset of the base RB indicated via a guard RB bitmap, or a pre-configured, configured, or pre-determined number of the common RBs or the base RBs, a pre-configured, configured, or pre-determined offset, and a pre-configured, configured, or pre-determined offset with respect to a reference point, the wireless communication method according to any one of claims 43 to 46.

48. A guard interference set including one or more configured, pre-configured, or pre-determined interlaces that are not used for any transmission having a configured, pre-configured, or pre-determined offset with respect to the common RB or a reference point, the wireless communication method according to any one of claims 25 to 47.

49. A wireless communication terminal, a communication unit, a processor configured to transmit a physical sidelink feedback channel (PSFCH) to a second wireless communication terminal via a common resource block (RB), wherein the common RB is shared by one or more PSFCHs, the wireless communication terminal comprising the processor.

50. The wireless communication terminal according to claim 49, wherein the processor is further configured to execute the wireless communication method according to any one of claims 2 to 24.

51. A wireless communication terminal, a communication unit, a processor configured to receive a physical sidelink feedback channel (PSFCH) from a first wireless communication terminal via a common resource block (RB), wherein the common RB is shared by one or more PSFCHs, the wireless communication terminal comprising the processor.

52. The wireless communication terminal according to claim 51, wherein the processor is further configured to execute the wireless communication method according to any one of claims 26 to 48.

53. A computer program product comprising computer-readable program media code stored therein, which, when executed by a processor, causes the processor to implement the wireless communication method according to any one of claims 1 to 48.

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