Resource determination method, terminal, network device, and communication system

Abstract

The present disclosure relates to a resource determination method, a terminal, an access network device, and a communication system. The method comprises: receiving first information, which is used for indicating frequency domain resources for physical sidelink feedback channel (PSFCH) occasions; and on the basis of a mapping relationship between a physical sidelink shared channel (PSSCH) and the PSFCH occasions, and the first information, determining a first resource from a resource block (RB) set, wherein the first resource is a frequency domain transmission resource for the PSFCH occasions; and on the basis of the first resource, sending hybrid automatic repeat request (HARQ) feedback to the PSSCH or receiving the HARQ feedback from the PSSCH. By means of the resource determination method provided in the present disclosure, the frequency domain transmission resource occupied by a PSFCH is determined in the mapping between the PSSCH and the PSFCH, ensuring that the transmission of the PSFCH can meet an OCB requirement.

Description

Resource determination method, terminal, network device and communication system Technical Field

[0001] The present disclosure relates to the field of communication technologies, and in particular to a resource determination method, a terminal, a network device, and a communication system. Background Art

[0002] In the licensed frequency band, in the mapping between the Physical Sidelink Control Channel (PSSCH) and the Physical Sidelink Feedback Channel (PSFCH), the PSFCH occupies one physical resource block (PRB) to meet communication needs.

[0003] Summary of the Invention

[0004] In the unlicensed frequency band, in order to meet the OCB requirement, that is, signal transmission needs to occupy 80% of the 20 MHz bandwidth (i.e., 16 MHz), through the mapping of the Physical Sidelink Control Channel (PSSCH) and the Physical Sidelink Feedback Channel (PSFCH), how can the frequency domain transmission resources occupied by the mapped PSFCH be ensured to meet the OCB requirement?

[0005] The embodiments of the present disclosure provide a resource determination method, a terminal, a network device, and a communication system.

[0006] According to a first aspect of an embodiment of the present disclosure, a resource determination method is proposed, which is applied to a terminal, including: receiving first information, where the first information is used to indicate a frequency domain resource of a configured physical direct link feedback channel (PSFCH) opportunity;

[0007] Determine, based on a mapping relationship between a physical direct link shared channel (PSSCH) and a PSFCH opportunity and the first information, a first resource in a resource block (RB) set, where the first resource is a frequency domain transmission resource of the PSFCH opportunity;

[0008] Send or receive hybrid automatic repeat request (HARQ) feedback for the PSSCH based on the first resource.

[0009] According to a second aspect of an embodiment of the present disclosure, a resource determination method is proposed, which is applied to a network device, including: sending first information, where the first information is used to indicate the frequency domain resources of a configured physical direct link feedback channel PSFCH opportunity.

[0010] According to a third aspect of an embodiment of the present disclosure, a resource determination method is proposed, the method comprising: a network device sending first information to a terminal, the first information being used to indicate a frequency domain resource of a physical direct link feedback channel (PSFCH) opportunity;

[0011] Based on the mapping relationship between the physical direct link shared channel PSSCH and the PSFCH opportunity and the first information, the terminal determines a first resource in the resource block RB set, where the first resource is the frequency domain transmission resource of the PSFCH opportunity, and performs hybrid automatic repeat request HARQ feedback on the transmission result of the PSSCH based on the first resource.

[0012] According to a fourth aspect of an embodiment of the present disclosure, a terminal is provided, the terminal including: a transceiver configured to receive first information, where the first information is used to indicate a frequency domain resource of a physical direct link feedback channel (PSFCH) opportunity;

[0013] A processing device, configured to determine a first resource in a resource block RB set based on a mapping relationship between a physical direct link shared channel PSSCH and a PSFCH opportunity and the first information, where the first resource is a frequency domain transmission resource of the PSFCH opportunity;

[0014] Perform hybrid automatic repeat request HARQ feedback on the transmission result of the PSSCH based on the first resource.

[0015] According to a fifth aspect of an embodiment of the present disclosure, a network device is provided, including a transceiver device for sending first information, where the first information is used to indicate frequency domain resources of a physical direct link feedback channel PSFCH opportunity.

[0016] According to a sixth aspect of an embodiment of the present disclosure, a terminal is provided, comprising: one or more processors; wherein the terminal is used to execute the resource determination method described in any one of the first aspects of the embodiments of the present disclosure.

[0017] According to a seventh aspect of an embodiment of the present disclosure, a network device is provided, the network device comprising: one or more processors; wherein the terminal is used to execute the resource determination method described in any one of the second aspects of the embodiments of the present disclosure.

[0018] According to the eighth aspect of an embodiment of the present disclosure, a communication system is provided, comprising a terminal and a network device, wherein the terminal is configured to implement the resource determination method described in any one of the first aspect of the embodiment of the present disclosure, and the network device is configured to implement the resource configuration method described in any one of the second aspect of the embodiment of the present disclosure.

[0019] According to the ninth aspect of an embodiment of the present disclosure, a storage medium is provided. When the instruction is executed on a communication device, the communication device executes a resource configuration method as described in any one of the first aspect of the embodiment of the present disclosure or the second aspect of the embodiment of the present disclosure.

[0020] In the embodiment of the present disclosure, in the mapping between PSSCH and PSFCH, the frequency domain transmission resources occupied by PSFCH are determined, ensuring that the transmission of PSFCH can meet the OCB requirement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following drawings required for describing the embodiments are introduced. The following drawings are merely some embodiments of the present disclosure and do not impose specific limitations on the protection scope of the present disclosure.

[0022] FIG1 is an exemplary schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure.

[0023] FIG2 is an exemplary interactive diagram of a resource determination method provided according to an embodiment of the present disclosure.

[0024] FIG3A is a flow chart of a resource determination method according to an embodiment of the present disclosure.

[0025] FIG3B is a flow chart of a resource determination method according to an embodiment of the present disclosure.

[0026] FIG3C is a flow chart of a resource determination method according to an embodiment of the present disclosure.

[0027] FIG4 is a flow chart of a resource determination method according to an embodiment of the present disclosure.

[0028] FIG5 is an interactive schematic diagram illustrating a resource determination method according to an embodiment of the present disclosure.

[0029] FIG6A is a schematic diagram of a comb ruler structure provided by an embodiment of the present disclosure.

[0030] FIG6B is a schematic diagram of a comb ruler structure provided by an embodiment of the present disclosure.

[0031] FIG6C is a schematic diagram of a comb ruler and a resource block set provided by an embodiment of the present disclosure.

[0032] FIG7A is a schematic diagram of the structure of a terminal proposed in an embodiment of the present disclosure.

[0033] FIG7B is a schematic diagram of the structure of the network device proposed in an embodiment of the present disclosure.

[0034] FIG8A is a schematic structural diagram of a communication device proposed in an embodiment of the present disclosure.

[0035] FIG8B is a schematic diagram of the structure of the chip proposed in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0036] The embodiments of the present disclosure provide a resource determination method, a terminal, a network device, and a communication system.

[0037] In a first aspect, an embodiment of the present disclosure proposes a resource determination method, which is applied to a terminal. The method includes: receiving first information, where the first information is used to indicate the frequency domain resources of a configured physical direct link feedback channel PSFCH opportunity; based on a mapping relationship between a physical direct link shared channel PSSCH and the PSFCH opportunity and the first information, determining a first resource in a resource block RB set, where the first resource is a frequency domain transmission resource of the PSFCH opportunity; and sending or receiving hybrid automatic repeat request (HARQ) feedback for the PSSCH based on the first resource.

[0038] In the above embodiment, the first information indicates different resources corresponding to the current resource configuration. The terminal can determine the frequency domain transmission resources for the PSFCH opportunity based on the mapping relationship between the PSSCH and PSFCH opportunities and the resources indicated by the first information. Based on this, in the unlicensed frequency band, the requirements of OCB are met for different resource configurations.

[0039] In combination with some embodiments of the first aspect, in some embodiments, the first information is used to indicate M PSFCH comb sets in each RB set, each PSFCH comb set in the M PSFCH comb sets is associated with N PSFCH opportunities mapped by the PSSCH, and the M and N are integers greater than or equal to 1.

[0040] In the above embodiment, the resources indicated by the first information are for the case where a dedicated comb set is configured for PSFCH. By establishing an association between the comb set and the PSFCH opportunity mapped by PSSCH, the terminal can further determine the frequency domain transmission resources of the PSFCH opportunity in the PSFCH comb set based on the mapping relationship between PSSCH and PSFCH opportunity to meet the requirements of OCB.

[0041] In combination with some embodiments of the first aspect, in some embodiments, determining the first resource in the RB set based on the mapping relationship between the PSSCH and PSFCH timing and the first information includes: determining a PSFCH comb set associated with the PSFCH timing, determining a first PSFCH comb in the PSFCH comb set based on the mapping relationship between the PSSCH and PSFCH timing, and using the first PSFCH comb as the first resource.

[0042] In the above embodiment, the terminal can determine the frequency domain transmission resources of the PSFCH opportunity in the PSFCH comb set based on the mapping relationship between the PSSCH and PSFCH opportunities to meet the requirements of OCB.

[0043] In combination with some embodiments of the first aspect, in some embodiments, the M is equal to the N.

[0044] In the above embodiment, when the number of comb sets and PSFCH opportunities mapped by PSSCH is the same, the association relationship between the comb sets and the PSFCH opportunities mapped by PSSCH is a one-to-one association, so that each PSFCH opportunity corresponds to an independent comb set, avoiding resource conflicts caused by PSFCH opportunities mapped by different PSSCHs. Combined with some embodiments of the first aspect, in some embodiments, each PSFCH comb set includes n comb interlaces, and each of the combs includes m comb physical resource blocks interlace PRBs, the value of m is 10 or 11, and n is an integer greater than or equal to 1.

[0045] In the above embodiment, when the guard interval is not considered, m can be set to 10, and when the guard interval is considered, m can be set to 11. This improves transmission quality and stability.

[0046] In combination with some embodiments of the first aspect, in some embodiments, the first information is used to indicate K physical direct link feedback channel physical resource blocks PSFCH PRB sets in each RB set, where K is an integer greater than or equal to 1, and a common PSFCH comb ruler in each RB set, and the common PSFCH comb ruler is a comb ruler commonly used for all PSFCH transmissions of the terminal device.

[0047] In the above embodiment, the resources indicated by the first information are for configuring K3 dedicated PRB resources (dedicated PRB) and a common interlace set (common interlace) for PSFCH, wherein the value of K3 is any one of the following cases {1, 2, 5}. By indicating the common PSFCH interlace and PSFCH PRB set in the RB set in the first information, the terminal can further determine the PSFCH PRB set associated with the PSFCH opportunity, and then determine the frequency domain transmission resources of the PSFCH opportunity in the PSFCH interlace set to meet the OCB requirements.

[0048] In combination with some embodiments of the first aspect, in some embodiments, in response to the K value being 1, the PSFCH PRB set indicated by the first information is associated with all PSFCH opportunities mapped by the PSSCH, that is, a one-to-many association.

[0049] In the above embodiment, for the case where one PSFCH PRB set is indicated in each RB set, the association relationship between the PSFCH PRB set and the PSSCH mapping is determined. Furthermore, the terminal can determine the PSFCH PRB set associated with the PSFCH opportunity, and then determine the frequency domain transmission resources of the PSFCH opportunity in the PSFCH comb set to meet the OCB requirements.

[0050] In combination with some embodiments of the first aspect, in some embodiments, in response to the K value being the same as the number of PSFCH opportunities mapped by the PSSCH corresponding to the PSFCH PRB set, each PSFCH PRB set in each RB set is one-to-one associated with the PSFCH opportunity mapped by the PSSCH.

[0051] In the above embodiment, for the case where the number of PSFCH PRB sets indicated in each RB set is the same as the number of PSFCH opportunities mapped by PSSCH, the association relationship between the PSFCH PRB set and the PSSCH mapping is determined, so that each PSFCH opportunity corresponds to an independent PRB set, avoiding resource conflicts caused by PSFCH opportunities mapped by different PSSCHs. In combination with some embodiments of the first aspect, in some embodiments, the first resource is determined in the resource block RB set based on the mapping relationship between PSSCH and PSFCH opportunity and the first information, including: determining the PSFCH PRB set associated with the PSFCH opportunity, determining a first PRB index in the PSFCH PRB set based on the mapping relationship between the PSSCH and the PSFCH opportunity, the first PRB index including K3 PRBs, K3 taking any of the following values ​​{1, 2, 5}; and taking the K3 PRBs corresponding to the first PRB index and the shared PSFCH comb as the first resource.

[0052] In the above embodiment, the terminal can determine the frequency domain transmission resources of the PSFCH opportunity in the PSFCH comb set based on the mapping relationship between the PSSCH and PSFCH opportunities to meet the requirements of OCB.

[0053] In combination with some embodiments of the first aspect, in some embodiments, the first information is configured based on at least one of the following methods, including: based on resource pool configuration; based on partial bandwidth BWP configuration; based on each of the RB sets.

[0054] In a second aspect, an embodiment of the present disclosure proposes a method applied to a network device, comprising: sending first information, where the first information is used to indicate the frequency domain resources of a configured physical direct link feedback channel PSFCH opportunity.

[0055] In the above embodiment, the network device transmits the first information, indicating different resources corresponding to the current resource configuration, so that the terminal can determine the frequency domain transmission resources for the PSFCH opportunity based on the mapping relationship between the PSSCH and PSFCH opportunities and the resources indicated by the first information. Based on this, in the unlicensed frequency band, OCB requirements are met for different resource configurations.

[0056] In combination with some embodiments of the second aspect, in some embodiments, the first information is used to indicate M PSFCH comb sets in each RB set, each PSFCH comb set in the M PSFCH comb sets is associated with N PSFCH opportunities mapped by the PSSCH, and the M and N are integers greater than or equal to 1.

[0057] In combination with some embodiments of the second aspect, in some embodiments, the M is equal to the N.

[0058] In combination with some embodiments of the second aspect, in some embodiments, each PSFCH comb set includes n comb interlaces, each of the combs includes m comb physical resource blocks interlace PRBs, the value of m is 10 or 11, and n is an integer greater than or equal to 1.

[0059] In combination with some embodiments of the second aspect, in some embodiments, the first information is used to indicate K physical direct link feedback channel physical resource blocks PSFCH PRB sets in each RB set, where K is an integer greater than or equal to 1, and a common PSFCH comb ruler in each RB set, and the common PSFCH comb ruler is a comb ruler commonly used by all PSFCHs of the terminal device.

[0060] In combination with some embodiments of the second aspect, in some embodiments, in response to the K value being 1, the PSFCH PRB set indicated by the first information is associated with the PSFCH timing mapped by the PSSCH.

[0061] In combination with some embodiments of the second aspect, in some embodiments, in response to the K value being the same as the number of opportunities for the PSFCH PRB set and the PSSCH mapping, each PSFCH PRB set in each RB set is one-to-one associated with the PSFCH opportunity of the PSFCH mapping.

[0062] In combination with some embodiments of the second aspect, in some embodiments, the first information is configured based on at least one of the following methods, including: based on resource pool configuration; based on partial bandwidth (Bandwidth Part, BWP) configuration; based on each of the RB sets.

[0063] In a third aspect, an embodiment of the present disclosure proposes a resource determination method, the method comprising: a network device sending first information to a terminal, the first information being used to indicate a frequency domain resource of a configured physical direct link feedback channel PSFCH opportunity;

[0064] The terminal determines a first resource in the resource block RB set based on the mapping relationship between the physical direct link shared channel PSSCH and the PSFCH opportunity and the first information, where the first resource is the frequency domain transmission resource of the PSFCH opportunity, and sends or receives a hybrid automatic repeat request HARQ feedback on the PSSCH based on the first resource.

[0065] In a fourth aspect, an embodiment of the present disclosure proposes a terminal, which includes: at least one of a transceiver module and a processing module; wherein the first terminal is used to execute optional implementation methods of the first and third aspects.

[0066] In a fifth aspect, an embodiment of the present disclosure proposes a network device, which includes at least one of a transceiver module and a processing module; wherein the network device is used to execute optional implementation methods of the second and third aspects.

[0067] In a sixth aspect, an embodiment of the present disclosure proposes a terminal, which includes: one or more processors; wherein the first terminal is used to execute optional implementation methods of the first and third aspects.

[0068] In a seventh aspect, an embodiment of the present disclosure proposes a network device, which includes: one or more processors; wherein the network device is used to execute optional implementation methods of the second and third aspects.

[0069] In the eighth aspect, an embodiment of the present disclosure proposes a communication system, which includes: a terminal and a network device; wherein the terminal is configured to execute the method described in the optional implementation of the first and third aspects, and the network device is configured to execute the method described in the optional implementation of the second and third aspects.

[0070] In the ninth aspect, an embodiment of the present disclosure proposes a storage medium, which stores instructions. When the instructions are executed on a communication device, the communication device executes the method described in the optional implementation of the first and third aspects, and the second and third aspects.

[0071] In a tenth aspect, an embodiment of the present disclosure proposes a program product. When the program product is executed by a communication device, the communication device executes the method described in the optional implementation of the first and third aspects, and the second and third aspects.

[0072] In an eleventh aspect, an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method as described in the first and third aspects, and the optional implementation of the second and third aspects.

[0073] In a twelfth aspect, an embodiment of the present disclosure provides a chip or a chip system, wherein the chip or chip system includes a processing circuit configured to execute the method described in the first and third aspects, and the optional implementation of the second and third aspects.

[0074] It is understandable that the above-mentioned terminal, network device, first network element, second network element, core network device, communication system, storage medium, program product, computer program, chip or chip system are all used to perform the method proposed in the embodiment of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects of the corresponding method and will not be repeated here.

[0075] The present disclosure provides resource determination methods, terminals, network devices, and communication systems. In some embodiments, the terms resource configuration method, information processing method, and communication method are interchangeable; resource configuration device, information processing device, and communication device are interchangeable; and information processing system, communication system, and other terms are interchangeable.

[0076] The embodiments of the present disclosure are not exhaustive and are merely illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0077] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.

[0078] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.

[0079] In the embodiments of the present disclosure, unless otherwise specified, elements expressed in the singular, such as "a", "an", "the", "above", "said", "the", "the", etc., may mean "one and only one", or "one or more", "at least one", etc. For example, when using articles such as "a", "an", "the" in English in translation, the noun following the article may be understood as a singular expression or a plural expression.

[0080] In the embodiments of the present disclosure, “plurality” refers to two or more.

[0081] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.

[0082] In some embodiments, descriptions such as "at least one of A and B," "A and / or B," "A in one case, B in another case," or "in response to one case A, in response to another case B" may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); and in some embodiments, A and B (both A and B are executed). The above is also applicable when there are more branches such as A, B, and C.

[0083] In some embodiments, "A or B" and other descriptions may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The above is also applicable when there are more branches such as A, B, C, etc.

[0084] The prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects and do not constitute any restriction on the position, order, priority, quantity or content of the description objects. For the statement of the description object, please refer to the description in the context of the claims or embodiments, and no unnecessary restriction should be constituted due to the use of prefixes. For example, if the description object is a "field", the ordinal number before the "field" in the "first field" and the "second field" does not limit the position or order between the "fields". "First" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of the "first field" and the "second field". For another example, if the description object is a "level", the ordinal number before the "level" in the "first level" and the "second level" does not limit the priority between the "levels". For another example, the number of description objects is not limited by the ordinal number and can be one or more. Taking "first device" as an example, the number of "devices" can be one or more. In addition, the objects modified by different prefixes can be the same or different. For example, if the description object is "device", then the "first device" and the "second device" can be the same device or different devices, and their types can be the same or different; for another example, if the description object is "information", then the "first information" and the "second information" can be the same information or different information, and their contents can be the same or different.

[0085] In some embodiments, “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0086] In some embodiments, terms such as "in response to...", "in response to determining...", "in the case of...", "at the time of...", "when...", "if...", "if...", etc. can be used interchangeably.

[0087] In some embodiments, terms such as "greater than", "greater than or equal to", "not less than", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not less than", and "above" can be replaced with each other, and terms such as "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", and "below" can be replaced with each other.

[0088] In some embodiments, devices and equipment can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they can also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "subject", etc.

[0089] In some embodiments, "network" can be interpreted as devices included in the network, such as access network equipment, core network equipment, etc.

[0090] In some embodiments, "access network device (AN device)" may also be referred to as "radio access network device (RAN device)", "base station (BS)", "radio base station", "fixed station", and in some embodiments may also be understood as "node", "access point", "transmission point (TP)", "reception point (RP)", "transmission and / or reception point (TRP)" "panel", "antenna panel", "antenna array", "cell", "macro cell", "small cell", "femto cell", "pico cell", "sector", "cell group", "serving cell", "carrier", "component carrier", "bandwidth part (BWP)", etc.

[0091] In some embodiments, "terminal" or "terminal device" may be referred to as "user equipment (UE)", "user terminal" "mobile station (MS)", "mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc.

[0092] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0093] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0094] In addition, each element, each row, or each column in the table of the embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.

[0095] FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.

[0096] As shown in FIG1 , a communication system 100 includes a first terminal 101 , a second terminal 102 , and a network device 103 .

[0097] In some embodiments, the first terminal 101 and / or the second terminal 102 include, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but are not limited thereto.

[0098] In some embodiments, the network device 103 may include at least one of an access network device and a core network device.

[0099] In some embodiments, the access network device is, for example, a node or device that accesses a terminal to a wireless network. The access network device may include an evolved NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved nodeB (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.

[0100] In some embodiments, the technical solution of the present disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can be transformed into internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.

[0101] In some embodiments, the access network device can be composed of a centralized unit (CU) and a distributed unit (DU), where the CU can also be called a control unit. The CU-DU structure can be used to split the protocol layer of the access network device, with the functions of some protocol layers centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.

[0102] In some embodiments, the core network device may be a device including one or more network elements, or may be multiple devices or device groups, each including all or part of the one or more network elements. The network element may be virtual or physical. The core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC). In some embodiments, the first network element may be, for example, Chinese (English spelling, PCF).

[0103] It can be understood that the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure. Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.

[0104] The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or a portion thereof, but are not limited thereto. The entities shown in FIG1 are illustrative only. The communication system may include all or part of the entities shown in FIG1 , or may include other entities outside of FIG1 . The number and form of the entities are arbitrary, and the entities may be physical or virtual. The connection relationships between the entities are illustrative only. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.

[0105] The embodiments of the present disclosure can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), future radio access (FRA), new radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X), systems utilizing other communication methods, and next-generation systems based on and extending these methods. Furthermore, multiple systems may be combined (for example, a combination of LTE or LTE-A with 5G).

[0106] In the sidelink authorized frequency band, through the mapping of the physical sidelink control channel (PSSCH) and the physical sidelink feedback channel (PSFCH), the PSFCH frequency domain transmission resource will occupy one physical resource block (PRB).

[0107] In the unlicensed frequency band, to meet the requirements of Calls Barred within the CUG (OCB), the following two transmission methods are proposed:

[0108] The first type: the frequency domain resources of one PSFCH transmission occupy a dedicated interlace.

[0109] The second type: the frequency domain resources of one PSFCH transmission occupy K3 dedicated PRB resources and a common interlace, where K3 is any one of the following values ​​{1, 2, 5}.

[0110] For the above two PSFCH transmission modes, how to determine the frequency domain resources occupied by the PSFCH is a problem that needs to be solved at present.

[0111] It should be noted that for the comb ruler, which can also be called the comb ruler resource block, the concept of interlaced resource block (IRB) is introduced in the NR-U (New Radio in Unlicensed Spectrum) system, that is, two consecutive available resource blocks are separated by M resource blocks.

[0112] For example, for an IRB index of m, the PRBs included in the IBR are {m, M+m, 2M+m, 3M+m, …}, where m∈{0, 1, …, M-1}.

[0113] It should be noted that the comb ruler set involved in the following embodiments can be understood as a set containing one or more comb rulers. Based on this, the embodiments of the present disclosure provide a resource determination method to meet the requirements of OCB.

[0114] FIG2 is an interactive diagram of a communication method according to an embodiment of the present disclosure. As shown in FIG2 , the embodiment of the present disclosure relates to a communication method, and the method includes:

[0115] In step S2101 , the network device 103 sends first information to the second terminal 102 .

[0116] In some embodiments, terms such as "send", "transmit", "report", "download", "transmit", "bidirectional transmission", "send and / or receive" can be used interchangeably.

[0117] In some embodiments, the second terminal 102 receives the first information.

[0118] In some embodiments, "obtain", "get", "get", "receive", "transmit", "bidirectional transmission", "send and / or receive" can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining by self-processing, autonomous implementation, etc.

[0119] In some embodiments, the first information is configured based on at least one of the following methods:

[0120] Based on resource pool configuration;

[0121] Based on partial bandwidth (Bandwidth Part, BWP) configuration;

[0122] Configuration based on each resource block (RB) set.

[0123] In some embodiments, the first information is used to indicate frequency domain resources of a physical direct link feedback channel PSFCH.

[0124] Optionally, the first information is used to indicate the frequency domain resources of the configured PSFCH.

[0125] Optionally, the first information is used to indicate the frequency domain resources of the configured PSFCH occasion, that is, the frequency domain resources available for the PSFCH occasion (occasion), and to determine the resources for actual PSFCH transmission once in the available frequency domain resources.

[0126] Optionally, the PSFCH opportunity includes at least one of the following: a PSFCH reception opportunity, or a PSFCH transmission opportunity.

[0127] In some embodiments, there is a mapping relationship between PSSCH and PSFCH occasions.

[0128] In some embodiments, the names of information, etc. are not limited to the names described in the embodiments, and terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codeword", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

[0129] In some embodiments, terms such as "resource block (RB)", "physical resource block (PRB)", "sub-carrier group (SCG)", "resource element group (REG)", "PRB pair", "RB pair", "resource element (RE)", and "sub-carrier" can be used interchangeably.

[0130] In some embodiments, the first information is used to indicate M PSFCH comb sets in the RB set, where M is an integer greater than or equal to 1.

[0131] Optionally, the RB set may be understood as a set of all resource blocks occupied by PSSCH transmission.

[0132] Optionally, the first information indicates M PSFCH comb sets in the configured RB set, which can be understood as the first information indicates M comb sets included in the RB set.

[0133] Optionally, each PSFCH comb set is associated with N PSFCH opportunities mapped to the PSSCH, where N is an integer greater than or equal to 1.

[0134] For example, there are 10 combs in one RB set, and the combs are numbered {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}. If two PSFCH comb sets are configured in one RB set, the combs in the first PSFCH comb set are numbered {0, 1, 2, 3, 4}, and the combs in the second PSFCH comb set are numbered {5, 6, 7, 8, 9}. For example, the PSSCH corresponds to two PSFCH opportunities, namely the first PSFCH opportunity and the second PSFCH opportunity. Associating the first PSFCH comb set with the first PSFCH opportunity can be understood as that the frequency domain resources of the first PSFCH opportunity mapped by PSSCH are located in the first PSFCH comb set (set {0, 1, 2, 3, 4}); associating the second PSFCH comb set with the second PSFCH opportunity can be understood as that the frequency domain resources of the second PSFCH opportunity mapped by PSSCH are located in the second PSFCH comb set (set {5, 6, 7, 8, 9}).

[0135] In some embodiments, M is equal to 1 and is not equal to N, and the comb set is associated with N PSFCH opportunities.

[0136] It should be understood that when M is equal to 1, that is, there is only one comb ruler set, then this one comb ruler set is associated with N PSFCH opportunities, that is, a one-to-many association.

[0137] Exemplarily, continuing with the above embodiment, assuming that there is only a first PSFCH comb size set {0, 1, 2, 3, 4}, the first PSFCH comb size set is associated with the first PSFCH opportunity and the second PSFCH opportunity.

[0138] In some embodiments, M and N are equal.

[0139] It should be understood that when M is equal to N, each PSFCH comb set is associated one-to-one with each PSFCH opportunity mapped to the PSSCH.

[0140] Exemplarily, continuing with the above embodiment, the first PSFCH comb set is associated with the first PSFCH opportunity, and the second PSFCH comb set is associated with the second PSFCH opportunity. Alternatively, the first PSFCH comb set is associated with the second PSFCH opportunity, and the second PSFCH comb set is associated with the first PSFCH opportunity. In some embodiments, the first information is used to indicate the K physical resource blocks (PSFCH PRBs) in each RB set, and a shared PSFCH comb in each RB set.

[0141] Optionally, K is an integer greater than or equal to 1.

[0142] Optionally, the shared PSFCH comb size includes PRBs in at least one RB set.

[0143] Optionally, the PRBs in the shared PSFCH comb are discrete PRBs in the RB set.

[0144] Optionally, the shared PSFCH comb size is a comb size commonly used by all PSFCH transmissions of the terminal.

[0145] Step S2102: The second terminal 102 determines the first information.

[0146] In some embodiments, the first information is determined to be any of the following situations, including: the first information indicates M PSFCH comb sets in the RB set, M is an integer greater than or equal to 1, or the first information indicates K physical direct link feedback channel physical resource block PSFCH PRB sets in each RB set, and a common PSFCH comb in each RB set.

[0147] For the content of the first information indication in step S2102, please refer to the optional implementation method of step S2101 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0148] Step S2103: The second terminal 102 determines the first resource.

[0149] In some embodiments, the first resource is a frequency domain transmission resource of a PSFCH opportunity.

[0150] In some embodiments, the terminal determines the first resource in the resource block RB set based on at least one of the following: a mapping relationship between PSSCH and PSFCH timing, or first information.

[0151] Optionally, the mapping relationship between PSSCH and PSFCH timings may be frequency domain resource mapping.

[0152] In some embodiments, the first information is determined based on a PRB resource configuration manner.

[0153] Optionally, the PRB resource configuration method includes: configuring a dedicated comb set for PSFCH, determining the first information as: the first information indicates M PSFCH comb sets in the RB set (that is, the first information indicates M comb sets included in the RB set), and M is an integer greater than or equal to 1.

[0154] For example, take 1 PSSCH corresponding to 2 PSFCH occasions, 15 kHz, and 10 interlaces in 1 RB set as an example, that is, the interlace index is {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, each interlace index can point to 10 PRBs, and the 10 interlaces are divided into two PSFCH interlace sets, that is, PSFCH interlace set 1 contains 5 interlaces with indexes {0, 1, 2, 3, 4}, and PSFCH interlace set 2 contains 5 interlaces with indexes {5, 6, 7, 8, 9}. PSFCH interlace set 1 is associated with the first PSFCH occasion of the PSSCH, that is, the frequency domain resources of the first PSFCH occasion mapped by the PSSCH are located in PSFCH interlace set 1. PSFCH interlace set 2 is associated with the second PSFCH occasion of the PSSCH, that is, the frequency domain resources of the second PSFCH occasion mapped by the PSSCH are located in PSFCH interlace set 2.

[0155] In some embodiments, the terms "index", "identification", "tag", "serial number", "number", etc. can be used interchangeably.

[0156] In some embodiments, the terminal determines a set of PSFCH comb sizes associated with the PSFCH opportunity based on the first information.

[0157] In some embodiments, the terminal determines a first PSFCH comb scale in a PSFCH comb scale set based on a mapping relationship between PSSCH and PSFCH timings, and uses the first PSFCH comb scale as a first resource.

[0158] In some embodiments, each PSFCH comb set includes n number of combs, where n is an integer greater than or equal to 1.

[0159] In some embodiments, each comb includes m number of comb physical resource blocks, interlace PRBs, where m is any of the following values, including: {10, 11}.

[0160] Exemplarily, the PSFCH is ultimately mapped to 1 comb size, and the ultimately mapped comb size includes 10 PRBs or 11 PRBs.

[0161] In some embodiments, the mapping relationship between PSSCH and PSFCH timings can be expressed by the following formula:

[0162] According to Formula 1, the comb set for PSFCH transmission is determined by the subchannel number and time slot number occupied by the PSSCH transmission resource.

[0163] In formula 1, i is the time slot number where the PSSCH transmission resource is located, j is the subchannel number where the PSSCH transmission resource is located, Indicates the PSFCH configuration period, which is determined by the higher-layer parameter period PSFCH resource.

[0164] Optionally, the value is any of the following, including {0, 1, 2, 4} time slots. For example, when the value is 1, it means that 1 slot is configured with one PSFCH opportunity; when the value is 2, it means that 2 slots are configured with one PSFCH opportunity; when the value is 4, it means that 4 slots are configured with one PSFCH opportunity.

[0165] In formula 1, Indicates the number of combs occupied by PSFCH opportunities in each slot of each sub-channel.

[0166] According to formula 2, the number of combs occupied by PSFCH resources on each sub-channel and each slot can be determined That is, the number of combs contained in each candidate resource set mapped by PSSCH.

[0167] In formula 2, N subch Refers to the number of sub-channels in one RB set. Indicates the number of combs contained in a configured PSFCH comb set. Indicates the PSFCH configuration period.

[0168] All resources conventionally used for transmitting the PSFCH may be determined according to Formula 3. Optionally, all resources include at least one of the following: time domain resources, frequency domain resources, and code domain resources.

[0169] In formula 3, is the subchannel number to which the PSFCH transmission resource is mapped, where Indicates that the PSFCH transmission resource is mapped to the lowest subchannel number occupied by the PSSCH transmission resource;

[0170] or Indicates mapping of PSFCH transmission resources with all subchannel numbers occupied by PSSCH transmission resources.

[0171] It represents the logarithm of the cyclic shift (CS) supported in one RB, that is, the number of users that can be multiplexed in one RB through code division multiplexing (CDM).

[0172] The size of the PSFCH transmission resource for feeding back the PSSCH transmission result is determined according to Formula 4. Optionally, the resource includes at least one of the following: time domain resources, code domain resources, and frequency domain resources.

[0173] In formula 4, P ID The source ID is carried in the PSSCH-related sidelink control information (SCI) sent by the sending terminal.

[0174] M ID This is the intra-group ID of the terminal receiving the PSSCH, determined based on the HARQ feedback mode.

[0175] In some embodiments, the first information is used to indicate K physical direct link feedback channel physical resource blocks (PSFCH PRB sets) in each RB set, where K is an integer greater than or equal to 1, and a common PSFCH comb size in each RB set.

[0176] In some embodiments, the common PSFCH comb size is a comb size commonly used by all PSFCH transmissions of the terminal.

[0177] In some embodiments, the PSFCH PRB set indicated by the first information is associated with all PSFCH opportunities mapped to the PSSCH.

[0178] Exemplarily, the association between the PSFCH PRB set indicated by the first information and all PSFCH occasions mapped by the PSSCH can be understood as that the frequency domain resources of all PSFCH occasions mapped by the PSSCH are located in the PSFCH PRB set.

[0179] In some embodiments, the value of K (i.e., the number of PSFCH PRB sets in each RB set indicated by the first information) is the same as the number of PSFCH opportunities mapped by the PSSCH corresponding to the PSFCH PRB set, and each PSFCH PRB set in each RB set is one-to-one associated with the PSFCH opportunity mapped by the PSSCH.

[0180] For example, assuming that the value of K is 3 (i.e., the number of PSFCH PRB sets in each RB set indicated by the first information is 3), the PSFCH PRB sets are the first PSFCH PRB set, the second PSFCH PRB set, and the third PSFCH PRB set. The number of PSFCH opportunities mapped by the PSSCH is 3, and the PSFCH opportunities mapped by the PSSCH are the first occasion, the second occasion, and the third occasion. Then, the one-to-one association between each PSFCH PRB set and the PSFCH opportunity mapped by the PSSCH can be as follows:

[0181] The first PSFCH PRB set is associated with a first occasion; the second PSFCH PRB set is associated with a second occasion; and the third PSFCH PRB set is associated with a third occasion.

[0182] In some embodiments, based on the mapping relationship between the PSSCH and PSFCH timings and the first information, determining the first resource in the RB set includes:

[0183] Determine a PSFCH PRB set associated with a PSFCH opportunity, and determine a first PRB index in the PSFCH PRB set based on a mapping relationship between the PSSCH and the PSFCH opportunity, where the first PRB index includes K3 PRBs, and K3 is any of the following values ​​{1, 2, 5};

[0184] The K3 PRB corresponding to the first PRB index and the shared PSFCH comb size are used as the first resources.

[0185] Exemplarily, the K3 PRBs corresponding to the first PRB index can be determined in the following manner. Take 15kHz, where there are 100 consecutive PRBs in 1 RB set, numbered {0, 1, 2, 3...99} as an example. Among them, the PRB set numbered {9, 19, 29, 39, 49, 59, 69, 79, 89, 99} is used as a common PSFCH comb size. For example, the common PSFCH comb size contains 10 PRBs. Then, among the 100 consecutive PRBs, the PRBs included in the common PSFCH comb size are removed to obtain the remaining 90 PRBs, and the remaining PRBs are numbered {0, 1, 2,...8, 10,...18, 20,...28, 30,...,38, 40,...48, 50,...58, 60...68, 70,...78, 80,...88, 90,...98}.

[0186] Taking K=2 as an example, two physical direct link feedback channel physical resource blocks (PSFCH PRB sets) are configured in each RB set, and the remaining 90 PRBs are numbered {0, 1, 2, ... 8, 10, ... 18, 20, ... 28, 30, ... , 38, 40, ... 48, 50, ... 58, 60 ... 68, 70, ... 78, 80, ... 88, 90, ... 98} and divided into two PSFCH PRB sets. Each PSFCH PRB set contains 45 PRBs, that is, PSFCH PRB set 1 contains PRBs {0, 1, 2 ... 8, 10, ... 18, 20, ... 28, 30, ... , 38, 40, ... 48}, and PSFCH PRB set 2 contains PRBs {50, ... 58, 60 ... 68, 70, ... 78, 80, ... 88, 90, ... 98}. Furthermore, in each PSFCH PRB set, the PRBs are renumbered based on the principle that every K3 PRBs share one PRB number, and the K3 PRBs are located at one interlace index.

[0187] Continuing with the above embodiment, K3=1, taking PSFCH PRB set 1 as an example, PSFCH PRB set 1 contains PRB numbers {0, 1, 2...8, 10,...18, 20,...28, 30,...,38, 40,...48}, which are consistent with the PRB numbers in PSFCH PRB set 1.

[0188] Continuing with the above embodiment, when K3 = 22, that is, two PRBs share a PRB number, and the two PRBs differ by 10 PRBs, taking PSFCH PRB set 1 as an example, according to this numbering rule, in PSFCH PRB set 1, for example, the PRB with sequence number 0 and the PRB originally numbered 10 will share a new sequence number (for ease of description, the new sequence number numbered according to this rule will be referred to as the new sequence number below) "0" (that is, the new sequence number "0" includes two PRBs, namely the PRB with sequence number 0 and the PRB with sequence number 10 in PSFCH PRB set 1). For example, in PSFCH PRB set 1, the PRB originally numbered 1 and the PRB originally numbered 11 will share the new sequence number "1". For example, in PSFCH PRB set 1, the PRB with original sequence number 2 and the PRB with original sequence number 12 share the new sequence number 2 (the remaining PRBs are also numbered according to this rule to obtain new sequence numbers, which are not listed here one by one).

[0189] Optionally, the PRBs in the PSFCH PRB set that fail to meet the rule will not be assigned new sequence numbers.

[0190] For example, taking PSFCH PRB set 1 as an example, in PSFCH PRB set 1, the PRB with original sequence number 1 and the PRB with original sequence number 2 cannot be set with a new sequence number together because the sequence number interval is not equal to 10.

[0191] Continuing with the above embodiment, when K3=55, that is, 5 PRBs share one PRB number, and there is a difference of 10 PRBs between every two PRBs, the numbering rule is used. In the 45 PRBs in PSFCH PRB set 1, {0, 1, 2...8, 10,...18, 20,...28, 30,...,38, 40,...48}} are renumbered. For example, in PSFCH PRB set 1, the PRB originally numbered 0, the PRB originally numbered 10, the PRB originally numbered 20, the PRB originally numbered 30, and the PRB originally numbered 40 share the new number "0".

[0192] For example, in PSFCH PRB set 1, the PRB with the original sequence number 1, the PRB with the original sequence number 11, the PRB with the original sequence number 21, the PRB with the original sequence number 31, and the PRB with the original sequence number 41 share the new sequence number "1" (the remaining PRBs are also numbered according to this rule to obtain new sequence numbers, and are not listed here one by one).

[0193] In some embodiments, the name of the first resource is not limited to the name described in the embodiments, and can be interchangeable with terms such as "first PRB resource" or "first PRB".

[0194] In some embodiments, the mapping relationship between PSSCH and PSFCH timings can be expressed by the following formula:

[0195] According to Formula 5, the PRB set for PSFCH transmission is determined by the subchannel number and time slot number occupied by the PSSCH transmission resource.

[0196] In formula 5, i is the time slot number where the PSSCH transmission resource is located, j is the subchannel number where the PSSCH transmission resource is located, Indicates the PSFCH configuration period, which is determined by the higher-layer parameter period PSFCH resource.

[0197] Optionally, the value is any of the following, including {0, 1, 2, 4} slots. For example, when the value is 1, it means that one slot is configured with one PSFCH opportunity; when the value is 2, it means that two slots are configured with one PSFCH opportunity; when the value is 4, it means that four slots are configured with one PSFCH opportunity.

[0198] In formula 5, Indicates the number of RBs occupied by the PSFCH opportunity in each slot of each sub-channel.

[0199] According to formula 6, the number of combs occupied by PSFCH resources on each sub-channel and each slot can be determined That is, the number of PRBs contained in each candidate resource set mapped to the PSSCH.

[0200] In Formula 6, N subch Refers to the number of sub-channels in one RB set. Indicates the number of PRBs in the PSFCH PRB set associated with one configured PSFCH opportunity.

[0201] All resources conventionally used for transmitting the PSFCH may be determined according to Formula 7. Optionally, all resources include at least one of the following: time domain resources, frequency domain resources, and code domain resources.

[0202] In Formula 7, Indicates that the PSFCH transmission resource is mapped to the lowest subchannel number occupied by the PSSCH transmission resource;

[0203] or Indicates mapping of PSFCH transmission resources with all subchannel numbers occupied by PSSCH transmission resources.

[0204] Indicates the logarithm of CSs supported in an RB, that is, the number of users that can be multiplexed in an RB through CDM.

[0205] The sequence number of the PSFCH transmission resource for feedback of the PSSCH transmission result is determined according to Formula 8. Optionally, the resource includes at least one of the following: a time domain resource, a code domain resource, and a frequency domain resource.

[0206] In formula 8, P ID The source ID is carried in the PSSCH-related sidelink control information (SCI) sent by the sending terminal.

[0207] M ID This is the intra-group ID of the terminal receiving the PSSCH, determined based on the HARQ feedback mode.

[0208] Step S2104: The second terminal 102 sends HARQ information.

[0209] In some embodiments, the second terminal 102 sends HARQ information to the first terminal 101. In some embodiments, the second terminal 102 sends the HARQ information based on the first resource to implement HARQ feedback on the transmission result of the PSSCH.

[0210] In some embodiments, "obtain", "get", "get", "receive", "transmit", "bidirectional transmission", "send and / or receive" can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining by self-processing, autonomous implementation, etc.

[0211] In some embodiments, the terms "side", "sidelink", "side communication", "sidelink communication", "direct connection", "direct link", "direct communication", "direct link communication" and the like may be used interchangeably.

[0212] The communication method involved in the embodiments of the present disclosure may include at least one of steps S2101 to S2104. For example, step S2102 may be implemented as an independent embodiment, step S2103 may be implemented as an independent embodiment, step S2102 + step S2103 may be implemented as independent embodiments, and step S2101 + step S2102 + step S2103 may be implemented as independent embodiments, but the present invention is not limited thereto.

[0213] In some embodiments, steps S2102 and S2103 may be executed in an interchanged order or simultaneously.

[0214] In some embodiments, steps S2101 , S2102 , and S2104 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0215] In some embodiments, steps S2101 , S2102 , and S2104 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0216] In some embodiments, steps S2101, S2102, and S2103 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0217] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 2 .

[0218] FIG3A is a flow chart of a resource determination method according to an embodiment of the present disclosure. As shown in FIG3A , the embodiment of the present disclosure relates to a resource determination method, which includes:

[0219] Step S3101: Obtain first information.

[0220] In some embodiments, the optional implementation of step S3101 can refer to the optional implementation of step S2101 in Figure 2 and other related parts of the embodiment involved in Figure 2, which will not be repeated here.

[0221] In some embodiments, the terminal receives the first information sent by the network device, but is not limited thereto, and may also receive the first information sent by other entities.

[0222] In some embodiments, the terminal obtains first information specified by the protocol.

[0223] In some embodiments, the terminal obtains the first information from an upper layer(s).

[0224] In some embodiments, the terminal performs processing to obtain the first information.

[0225] In some embodiments, step S3101 is omitted, and the terminal autonomously implements the function indicated by the first information, or the above function is default or by default.

[0226] Step S3102: Determine the first information.

[0227] The optional implementation of step S3102 can refer to the optional implementation of step S2102 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0228] Step S3103: Determine the first resource.

[0229] The optional implementation of step S3103 can refer to the optional implementation of step S2103 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0230] Step S3104: Send HARQ information.

[0231] The optional implementation of step S3104 can refer to the optional implementation of step S2104 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0232] The resource determination method involved in the embodiments of the present disclosure may include at least one of steps S3101 to S3104. For example, step S3102 can be implemented as an independent embodiment, step S3103 can be implemented as an independent embodiment, steps S3101+S3102 can be implemented as an independent embodiment, steps S3101+S3103 can be implemented as an independent embodiment, steps S3102+S3103 can be implemented as an independent embodiment, and steps S3101+S3102+S3103+S3104 can be implemented as independent embodiments, but the present invention is not limited thereto.

[0233] In some embodiments, steps S3102 and S3103 may be executed in an exchanged order or simultaneously. Steps S3102 and S3103 may be executed in an exchanged order or simultaneously.

[0234] In some embodiments, steps S3101, S3103, and S3104 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0235] In some embodiments, steps S3101, S3102, and S3104 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0236] In some embodiments, steps S3101, S3102, and S3103 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0237] FIG3B is a flow chart of a resource determination method according to an embodiment of the present disclosure. As shown in FIG3B , the embodiment of the present disclosure relates to a resource determination method, which includes:

[0238] Step S3201: Obtain first information.

[0239] Optional implementations of step S3201 can be found in step S2101 of FIG. 2 , optional implementations of step S3101 of FIG. 3A , and other related parts in the embodiments involved in FIG. 2 and FIG. 3A , which will not be described in detail here.

[0240] Step S3202: Determine the first resource based on the first information.

[0241] The optional implementation of step S3202 can be found in step S2102 and step S2103 of Figure 2 and the optional implementation of step S3102 and step S3103 of Figure 3A, as well as other related parts in the embodiments involved in Figures 2 and 3A, which will not be repeated here.

[0242] In some embodiments, determining the first resource based on the first information includes determining the first resource based on a resource specified by the first information.

[0243] In some embodiments, step S3202 is optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0244] Step S3203: Send HARQ information.

[0245] The optional implementation of step S3103 can refer to the optional implementation of step S2104 in Figure 2 and step S3104 in Figure 3A, as well as other related parts in the embodiments involved in Figures 2 and 3A, which will not be repeated here.

[0246] In the embodiment of the present disclosure, step S3201 can be combined with steps S3102-S3103 of FIG. 3A , and step S3202 can be combined with steps S3101 and S3103 of FIG. 3A .

[0247] FIG3C is a flow chart of a resource determination method according to an embodiment of the present disclosure. As shown in FIG3C , the embodiment of the present disclosure relates to a resource determination method, which includes:

[0248] Step S3301: Obtain first information.

[0249] The optional implementation of step S3301 can refer to the optional implementation of step S2101 in Figure 2, step S3101 in Figure 3A, step S3201 in Figure 3B, and other related parts in the embodiments involved in Figures 2, 3A, and 3B, which will not be repeated here.

[0250] Step S3302: Determine a first resource, and perform HARQ feedback based on the first resource.

[0251] For the optional implementation of step S3302, please refer to step S2102, step S2103, step S2104 in Figure 2, step S3102, step S3103, step S3104 in Figure 3A, and the optional implementation of step S3202, step S3203 in Figure 3B, as well as other related parts in the embodiments involved in Figures 2, 3A, and 3B, which will not be repeated here.

[0252] In some embodiments, the first information is used to indicate M PSFCH comb sets in each RB set, each of the M PSFCH comb sets is associated with N PSFCH opportunities mapped by PSSCH, and M and N are integers greater than or equal to 1.

[0253] In some embodiments, based on the mapping relationship between PSSCH and PSFCH opportunities and the first information, a first resource is determined in the RB set, including: determining a PSFCH comb set associated with the PSFCH opportunity, determining a first PSFCH comb in the PSFCH comb set based on the mapping relationship between PSSCH and PSFCH opportunities, and using the first PSFCH comb as the first resource.

[0254] In some embodiments, M and N are equal.

[0255] In some embodiments, each PSFCH comb set includes n comb interlaces, each comb includes m comb physical resource blocks (PRBs), where m is 10 or 11, and n is an integer greater than or equal to 1.

[0256] In some embodiments, the first information is used to indicate K physical direct link feedback channel physical resource blocks PSFCH PRB sets in each RB set, where K is an integer greater than or equal to 1, and a common PSFCH comb ruler in each RB set, and the common PSFCH comb ruler is a comb ruler commonly used for all PSFCH transmissions of the terminal device.

[0257] In some embodiments, in response to K taking a value of 1, the PSFCH PRB set indicated by the first information is associated with all PSFCH opportunities mapped by the PSSCH.

[0258] In some embodiments, in response to K having a value that is the same as the number of PSFCH opportunities mapped to the PSSCH corresponding to the PSFCH PRB set, each PSFCH PRB set in each RB set is associated one-to-one with the PSFCH opportunities mapped to the PSSCH.

[0259] In some embodiments, based on the mapping relationship between the PSSCH and PSFCH timings and the first information, determining the first resource in the resource block (RB) set includes:

[0260] Determine a PSFCH PRB set associated with a PSFCH opportunity, and determine a first PRB index in the PSFCH PRB set based on a mapping relationship between the PSSCH and the PSFCH opportunity, where the first PRB index includes K3 PRBs, and K3 is any of the following values ​​{1, 2, 5};

[0261] The K3 PRB corresponding to the first PRB index and the shared PSFCH comb size are used as the first resources.

[0262] In some embodiments, the first information is configured based on at least one of the following methods: based on a resource pool; based on a partial bandwidth BWP; and based on each RB set.

[0263] FIG4 is a flow chart of a resource determination method according to an embodiment of the present disclosure. As shown in FIG4 , the embodiment of the present disclosure relates to a resource determination method, which includes:

[0264] Step S4101: Send the first message.

[0265] The optional implementation of step S4101 can refer to the optional implementation of step S2101 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0266] In some embodiments, the network device sends the first information to the terminal, but is not limited thereto, and the first information may also be sent to other entities.

[0267] In some embodiments, the first information is used to indicate the frequency domain resources of the PSFCH opportunity, so that the terminal performs hybrid automatic repeat request HARQ feedback on the transmission result of the PSSCH based on the first resource; the first resource is the frequency domain transmission resource of the PSFCH opportunity, and the first resource is in the resource block RB set, based on the mapping relationship between the PSSCH and PSFCH opportunity and the first information.

[0268] In some embodiments, the first information is used to indicate M PSFCH comb sets in each RB set, each of the M PSFCH comb sets is associated with N PSFCH opportunities mapped by PSSCH, and M and N are integers greater than or equal to 1.

[0269] In some embodiments, M and N are equal.

[0270] In some embodiments, each PSFCH comb set includes n comb interlaces, each comb includes m comb physical resource blocks (PRBs), where m is 10 or 11, and n is an integer greater than or equal to 1.

[0271] In some embodiments, the first information is used to indicate the K physical direct link feedback channel physical resource blocks PSFCH in each RB set, where the PRB set K is an integer greater than or equal to 1, and a common PSFCH comb ruler in each RB set, where the common PSFCH comb ruler is a comb ruler commonly used by all PSFCHs of the terminal device.

[0272] In some embodiments, in response to K taking a value of 1, the PSFCH PRB set indicated by the first information is associated with the PSFCH opportunity mapped by the PSSCH.

[0273] In some embodiments, in response to the value of K being the same as the number of opportunities to which PSFCH PRB sets are mapped to PSSCH, each PSFCH PRB set in each RB set is associated one-to-one with a PSFCH opportunity to which PSFCH is mapped.

[0274] In some embodiments, the first information is configured based on at least one of the following methods: based on a resource pool; based on a partial bandwidth BWP; and based on each RB set.

[0275] FIG5 is an interactive diagram of a resource determination method according to an embodiment of the present disclosure. As shown in FIG5 , the embodiment of the present disclosure relates to a resource determination method, which includes:

[0276] Step S5101: The network device sends the first information.

[0277] In some embodiments, the first information is used to indicate frequency domain resources of a physical direct link feedback channel PSFCH opportunity.

[0278] In some embodiments, the first information is any of the following situations, including: the first information indicates M PSFCH comb sets in the RB set, M is an integer greater than or equal to 1, or the first information indicates K physical direct link feedback channel physical resource block PSFCH PRB sets in each RB set, and a common PSFCH comb in each RB set.

[0279] The optional implementation of step S5101 can be found in the optional implementation of step S2101 in Figure 2, step S3101 in Figure 3A, step S3201 in Figure 3B, and step S3301 in Figure 3C, as well as other related parts in the embodiments involved in Figures 2, 3A, 3B, and 3C, which will not be repeated here.

[0280] Step S5102: The terminal determines a first resource and performs HARQ feedback based on the first resource.

[0281] In some embodiments, the first resource is determined based on information indicated by the first information.

[0282] In some embodiments, the first resource is a frequency domain transmission resource of a PSFCH opportunity.

[0283] For the optional implementation of step S5102, please refer to step S2102, step S2103, step S2104 in Figure 2, step S3102, step S3103, step S3104 in Figure 3A, step S3202, step S3203 in Figure 3B and the optional implementation of step S3302 in Figure 3C, as well as other related parts in the embodiments involved in Figures 2, 3A, 3B, and 3C, which will not be repeated here.

[0284] The present disclosure also provides a resource determination method, as described below:

[0285] In the R16 / 17 sidelink, only one PRB is determined for the mapping of PSSCH and PSFCH. In the unlicensed band, this is done to meet the OCB requirement (OCB requires that the transmission occupy 80% of the 20 MHz bandwidth).

[0286] Two PRB configurations are commonly used for mapping PSSCH to PSFCH. One is for PSFCH to occupy K3 dedicated PRBs and one common interlace, where K3 can take the following values: {1, 2, 5}. The other is for PSFCH to occupy one dedicated interlace. Therefore, implementing these two configurations requires a specific solution.

[0287] Exemplary: According to the new PSSCH-PSFCH mapping method or the PSSCH-PSFCH mapping method of R16 / R17 sidelink, one dedicated PRB is determined. The new PSSCH-PSFCH mapping method, that is, the PSSCH and the PSFCH occasion corresponding to the PSSCH are in the same RB set, and the PSSCH-PSFCH mapping method of R16 / R17, the PSSCH and the PSFCH occasion corresponding to the PSSCH are in the same RB set or different RB sets.

[0288] It should be noted that for the comb ruler, which can also be called the comb ruler resource block, the concept of interlaced resource block (IRB) is introduced in the NR-U (New Radio in Unlicensed Spectrum) system, that is, two consecutive available resource blocks are separated by M resource blocks.

[0289] For example, for an IRB index of m, the PRBs included in the IBR are {m, M+m, 2M+m, 3M+m, …}, where m∈{0, 1, …, M-1}.

[0290] The IRB structure is defined for 15kHz subcarrier and 30kHz subcarrier spacing, respectively, as follows: SCS = 15kHz, there are 10 interlaces in 1 RB-Set, that is, the comb index is {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} SCS = 30kHz, M = 5, that is, there are 5 interlaces in 1 RB-Set, that is, {0, 1, 2, 3, 4}. When the PRB with guard interval is not considered, there are 10 PRBs in each comb. When the PRB with guard interval is considered, there may be 11 PRBs in each comb.

[0291] As shown in Figure 6A, Figure 6A is a schematic diagram of a comb ruler structure provided by an embodiment of the present disclosure. In Figure 6A, when SCS = 30 kHz and M = 5, there are 5 comb tooth indices. For one IRB index, i.e., IRB index 0, the comb tooth resource blocks contained in the comb tooth index are PRBs {0, 5, 10, 15, 20, 25, 30, 35, 40, 45}.

[0292] As shown in Figure 6B, Figure 6B is a schematic diagram of a comb rule structure provided by an embodiment of the present disclosure. In Figure 6B, SCS = 15 kHz, M = 10, and when the PSSCH frequency domain is extended to all RBs on one IRB index, there are a total of 10 comb rule indices. For one IRB index, i.e., IRB index 0, the comb rule resource blocks contained in the tone are PRBs {0, 10, 20, 30, 40, 50, 60, 70, 80, 90}.

[0293] As shown in Figure 6C, Figure 6C is a schematic diagram of a comb ruler and resource block set provided by an embodiment of the present disclosure. In Figure 6C, SCS = 15kHz, M = 10. In NR-U, one listen-before-talk (LBT) subband = 20MHz, collectively referred to as a resource block set (RB-Set). The entire carrier bandwidth is divided into multiple resource block sets. The network maps the resource block sets to the BWP by configuring the BWP. The protocol stipulates that the BWP configured by the network must contain an integer number of resource block sets.

[0294] If the configuration is alt 2-3 (PSFCH ultimately maps to one interlace), how to implement:

[0295] Solution: One or more PSFCH interlace sets are configured on each RB set. Each PSFCH interlace set is associated with each PSFCH occasion of PSSCH. A specific interlace is obtained using PSSCH-PSFCH mapping, and PSFCH occupies this specific interlace.

[0296] For example, if one PSSC corresponds to two PSFCH occasions, 15 kHz, and there are 10 interlaces {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} in one RB set, two PSFCH interlace sets are configured in one RB set: PSFCH interlace set 1 {0, 1, 2, 3, 4} and PSFCH interlace set 2 {5, 6, 7, 8, 9}. PSFCH interlace set 1 is associated with the first PSFCH occasion of the PSSCH, that is, the frequency domain resources of the first PSFCH occasion mapped by the PSSCH are located in PSFCH interlace set 1. PSFCH interlace set 2 is associated with the second PSFCH occasion of the PSSCH, that is, the frequency domain resources of the second PSFCH occasion mapped by the PSSCH are located in PSFCH interlace set 2.

[0297] Frequency domain mapping:

[0298] According to formula 1-1, the subchannel number and time slot number occupied by the PSSCH transmission resource determine the comb set for PSFCH transmission.

[0299] In formula 1, i refers to the time slot number where the PSSCH transmission resource is located, and j refers to the subchannel number where the PSSCH transmission resource is located. Indicates the PSFCH configuration period, which is determined by the high-level parameter periodPSFCHresource and takes a value of {0,1,2,4} slots, indicating that a PSFCH opportunity is configured every 1, 2, or 4 slots. Indicates the number of combs occupied by PSFCH opportunities in each slot of each sub-channel.

[0300] If alt1-1b is configured (PSFCH occupies K3 dedicated PRBs and 1 common interlace, where K3 can take the following values: {1, 2, 5}), how to implement the following:

[0301] Solution 1: Configure one or more PSFCH PRB sets on each RB set, configure one common interlace PRB set on each RB set, and number the PRBs in the PSFCH PRB set configured in each RB set according to the following rules: the numbers start from 0 and increase sequentially. Every K3 consecutive PRBs in the configured PSFCH PRB set share a specific PRB number.

[0302] Solution 1-1: Use PSSCH-PSFCH mapping to determine a specific PRB number. This specific PRB number corresponds to K3 PRBs in the PSFCH PRB set, and the value range of K3 is {1, 2, 5}.

[0303] Example 1: For K3=1, PRBs are numbered in each PSFCH PRB set, each PRB corresponds to a PRB number, and the PSFCH occupies a PRB corresponding to a specific PRB number determined by PSSCH-PSFCH mapping. At the same time, the PSFCH occupies a configured common interlace PRB.

[0304] Example 2: For k3=2, these PRBs are numbered in each PSFCH PRB set, and every two consecutive PRBs share one PRB number. The PSFCH occupies two PRBs corresponding to the specific PRB number determined by the PSSCH-PSFCH mapping, and the PSFCH occupies one configured common interlace PRB.

[0305] Example 3: For k3=5, these PRBs are numbered in each PSFCH PRB set, and every 5 consecutive PRBs share 1 PRB number. The PSFCH occupies 5 PRBs corresponding to the sequence number of the specific PRB determined by the PSSCH-PSFCH mapping, and the PSFCH occupies 1 configured common interlace PRB.

[0306] Frequency domain mapping:

[0307] According to formula 2-1, the PRB set transmitted by PSFCH is determined by the subchannel number and time slot number occupied by PSSCH.

[0308] Use formula 2-2 to determine the number of RBs occupied by the PSFCH resources in each slot of each sub-channel, that is, the number of PRBs contained in the candidate resource set for each PSSCH mapping.

[0309] Using formula 2-3, determine all resources used to transmit psfch (time-frequency code domain resources)

[0310] Use formula 2-4 to determine the sequence number of the specific PSFCH resource (time-frequency code domain resource) used for this PSCH transmission.

[0311] The above design ensures that the transmission of PSFCH can meet the OCB requirements.

[0312] In the above embodiment, a resource determination method is proposed, which is applied to a terminal. The method includes: receiving first information, where the first information is used to indicate the frequency domain resources of a configured physical direct link feedback channel PSFCH opportunity; determining a first resource in a resource block RB set based on a mapping relationship between a physical direct link shared channel PSSCH and the PSFCH opportunity and the first information, where the first resource is a frequency domain transmission resource of the PSFCH opportunity; and sending or receiving hybrid automatic repeat request HARQ feedback for the PSSCH based on the first resource.

[0313] The terminal involves two terminal devices, the first terminal sends PSSCH to the second terminal, the second terminal determines a first resource based on the mapping relationship between the physical direct link shared channel PSSCH and the PSFCH opportunity and the first information, the first resource is the frequency domain transmission resource of the PSFCH opportunity, and the second terminal uses the determined first resource to send HARQ information to the first terminal on the PSFCH occasion where listen before talk (LBT) is successful.

[0314] The first terminal determines a first resource based on the mapping relationship between the physical direct link shared channel PSSCH and the PSFCH opportunity and the first information. The first resource is a frequency domain receiving resource of the PSFCH opportunity. The first terminal receives the HARQ information sent by the second terminal on the determined first resource.

[0315] In one implementation of the above embodiment, the first information indicates K physical direct link feedback channel physical resource blocks (PSFCH) PRB sets in each RB set. There are two implementation methods. In one implementation, the K PRB sets in one RB set are K subsets of a PSFCH PRB set configured by the R16 / 17 sidelink for sending HARQ information. The PSFCH PRB set configured by the R16 / 17 sidelink is configured using the parameter sl-RB-SetPSFCH-r17. If the parameter is configured with 100 PRBs, such as K=2, then the two PRB sets are two subsets of a PSFCH PRB set configured by the R16 / 17 sidelink for sending HARQ information. For example, the first PRB set occupies PRBs numbered 0-19 of the 100 PRBs, and the second PRB set occupies PRBs numbered 20-39 of the 100 PRBs.

[0316] In another implementation of the above embodiment, the K PRB sets have nothing to do with the one PSFCH PRB set configured by the R16 / 17 sidelink for sending HARQ information, but are newly configured PRB sets for sending HARQ information on the sidelink unlicensed frequency band.

[0317] It should be understood that the above description of the first signal and determining the first signal is applicable to various embodiments and will not be described in detail here.

[0318] In the embodiments of the present disclosure, some or all of the steps and their optional implementations may be arbitrarily combined with some or all of the steps in other embodiments, or may be arbitrarily combined with the optional implementations of other embodiments.

[0319] The embodiments of the present disclosure further provide an apparatus for implementing any of the above methods. For example, an apparatus is provided, comprising units or modules for implementing each step performed by a terminal in any of the above methods. For another example, another apparatus is provided, comprising units or modules for implementing each step performed by a network device (e.g., an access network device, a core network function node, a core network device, etc.) in any of the above methods.

[0320] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions. In actual implementation, they may be fully or partially integrated into a physical entity, or they may be physically separated. In addition, the units or modules in the device may be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory stores instructions. The processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), which realizes the functions of some or all of the above units or modules by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD). Taking a field programmable gate array (FPGA) as an example, it can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by configuring the configuration file, thereby realizing the functions of some or all of the above units or modules. All units or modules of the above devices can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part by the form of software called by the processor, and the rest by hardware circuits.

[0321] In the embodiments of the present disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and implementing the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.

[0322] Figure 7A is a structural diagram of the terminal proposed in an embodiment of the present disclosure. As shown in Figure 7A, the terminal 7100 may include: at least one of a transceiver module 7101, a processing module 7102, etc. In some embodiments, the above-mentioned transceiver module 7101 is used to receive the first information, or send other information. Optionally, the above-mentioned transceiver module 7101 is used to execute at least one of the communication steps such as sending and / or receiving (for example, step S2101, but not limited to this) executed by the terminal in any of the above methods, which will not be repeated here. Optionally, the above-mentioned processing module is used to execute at least one of the other steps (for example, step S2102, step S2103, but not limited to this) executed by the terminal in any of the above methods, which will not be repeated here.

[0323] Figure 7B is a schematic diagram of the structure of a network device proposed in an embodiment of the present disclosure. As shown in Figure 7B, network device 7200 may include a transceiver module 7201. In some embodiments, the transceiver module 7201 is used to send the first information or receive other information. Optionally, the transceiver module 7201 is used to perform at least one of the communication steps such as sending and / or receiving performed by the network device in any of the above methods (such as step S2101, but not limited thereto), and will not be further described here.

[0324] In some embodiments, the transceiver module may include a transmitting module and / or a receiving module, and the transmitting module and the receiving module may be separate or integrated. Optionally, the transceiver module may be interchangeable with the transceiver.

[0325] In some embodiments, the processing module can be a single module or can include multiple submodules. Optionally, the multiple submodules respectively execute all or part of the steps required to be executed by the processing module. Optionally, the processing module can be interchangeable with the processor.

[0326] Figure 8A is a schematic diagram of the structure of a communication device 8100 proposed in an embodiment of the present disclosure. Communication device 8100 can be a network device (e.g., an access network device, a core network device, etc.), a terminal (e.g., a user equipment, etc.), a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods. Communication device 8100 can be used to implement the methods described in the above method embodiments. For details, please refer to the description of the above method embodiments.

[0327] As shown in Figure 8A, the communication device 8100 includes one or more processors 8101. The processor 8101 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute programs, and process program data. The communication device 8100 is used to perform any of the above methods.

[0328] In some embodiments, the communication device 8100 further includes one or more memories 8102 for storing instructions. Optionally, all or part of the memories 8102 may be located outside the communication device 8100.

[0329] In some embodiments, the communication device 8100 further includes one or more transceivers 8103. When the communication device 8100 includes one or more transceivers 8103, the transceiver 8103 performs at least one of the communication steps such as sending and / or receiving in the above method (for example, step S2101, but not limited thereto), and the processor 8101 performs at least one of the other steps (for example, step S2102, step S2103, but not limited thereto).

[0330] In some embodiments, a transceiver may include a receiver and / or a transmitter. The receiver and transmitter may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, and transceiver circuit may be used interchangeably; the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be used interchangeably; and the terms receiver, receiving unit, receiver, and receiving circuit may be used interchangeably.

[0331] In some embodiments, the communication device 8100 may include one or more interface circuits 8104. Optionally, the interface circuit 8104 is connected to the memory 8102. The interface circuit 8104 may be configured to receive signals from the memory 8102 or other devices, and may be configured to send signals to the memory 8102 or other devices. For example, the interface circuit 8104 may read instructions stored in the memory 8102 and send the instructions to the processor 8101.

[0332] The communication device 8100 described in the above embodiment may be a network device or a terminal, but the scope of the communication device 8100 described in the present disclosure is not limited thereto, and the structure of the communication device 8100 may not be limited by FIG. 8A. The communication device may be an independent device or may be part of a larger device. For example, the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.

[0333] FIG8B is a schematic diagram of the structure of a chip 8200 according to an embodiment of the present disclosure. If the communication device 8100 can be a chip or a chip system, please refer to the schematic diagram of the structure of the chip 8200 shown in FIG8B , but the present disclosure is not limited thereto.

[0334] The chip 8200 includes one or more processors 8201 , and the chip 8200 is configured to execute any of the above methods.

[0335] In some embodiments, the chip 8200 further includes one or more interface circuits 8202. Optionally, the interface circuit 8202 is connected to the memory 8203. The interface circuit 8202 can be used to receive signals from the memory 8203 or other devices, and can be used to send signals to the memory 8203 or other devices. For example, the interface circuit 8202 can read instructions stored in the memory 8203 and send the instructions to the processor 8201.

[0336] In some embodiments, the interface circuit 8202 performs at least one of the communication steps such as sending and / or receiving in the above method (for example, step S2101, but not limited to this), and the processor 8201 performs at least one of the other steps (for example, step S2102, step S2103, but not limited to this).

[0337] In some embodiments, terms such as interface circuit, interface, transceiver pin, and transceiver may be used interchangeably.

[0338] In some embodiments, the chip 8200 further includes one or more memories 8203 for storing instructions. Alternatively, all or part of the memories 8203 may be outside the chip 8200.

[0339] The present disclosure also proposes a storage medium having instructions stored thereon, which, when executed on the communication device 8100, causes the communication device 8100 to execute any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto, and may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but is not limited thereto, and may also be a temporary storage medium.

[0340] The present disclosure also provides a program product, which, when executed by the communication device 8100, enables the communication device 8100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0341] The present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to perform any one of the above methods.

Claims

1. A resource determination method, characterized in that: Applied to a terminal, the method comprises: receiving first information, where the first information is used to indicate frequency domain resources of a physical direct link feedback channel PSFCH opportunity; Based on the mapping relationship between the physical direct link shared channel PSSCH and the PSFCH opportunity and the first information, determine a first resource in the resource block RB set, where the first resource is a frequency domain transmission resource of the PSFCH opportunity; Send or receive hybrid automatic repeat request HARQ feedback for the PSSCH based on the first resource.

2. The method according to claim 1, characterized in that The first information is used to indicate M PSFCH comb sets in each RB set, each of the M PSFCH comb sets is associated with N PSFCH opportunities mapped by the PSSCH, and M and N are integers greater than or equal to 1.

3. The method according to claim 1 or 2, characterized in that: The determining, based on the mapping relationship between the PSSCH and PSFCH timings and the first information, the first resource in the RB set includes: A PSFCH comb set associated with the PSFCH opportunity is determined, and based on a mapping relationship between the PSSCH and the PSFCH opportunity, a first PSFCH comb is determined in the PSFCH comb set, and the first PSFCH comb is used as the first resource.

4. The method according to claim 2, characterized in that: The M is equal to the N.

5. The method according to claim 2, characterized in that: Each of the PSFCH comb sets includes n comb interlaces, each of the combs includes m comb physical resource blocks interlace PRBs, m is 10 or 11, and n is an integer greater than or equal to 1.

6. The method according to claim 1, characterized in that The first information is used to indicate K physical direct link feedback channel physical resource blocks PSFCH PRB sets in each RB set, K is an integer greater than or equal to 1, and a common PSFCH comb ruler in each RB set, and the common PSFCH comb ruler is a comb ruler commonly used for all PSFCH transmissions of the terminal device.

7. The method according to claim 6, characterized in that In response to the K value being 1, the PSFCH PRB set indicated by the first information is associated with all PSFCH opportunities mapped by the PSSCH.

8. The method according to claim 6, characterized in that In response to the K value being the same as the number of PSFCH opportunities mapped to the PSSCH corresponding to the PSFCH PRB set, each PSFCH PRB set in each RB set is associated one-to-one with the PSFCH opportunities mapped to the PSSCH.

9. The method according to any one of claims 1, 6 to 8, characterized in that: The determining, based on the mapping relationship between the PSSCH and PSFCH timings and the first information, the first resource in the resource block RB set includes: Determine a PSFCH PRB set associated with the PSFCH opportunity, and determine a first PRB index in the PSFCH PRB set based on a mapping relationship between the PSSCH and the PSFCH opportunity, wherein the first PRB index points to K3 PRBs, and K3 is any one of the following {1, 2, 5}; The PRB of K3 corresponding to the first PRB index and the shared PSFCH comb size are used as the first resources.

10. The method according to any one of claims 1 to 9, wherein the first information is configured based on at least one of the following methods, including: Based on resource pool configuration; Based on partial bandwidth BWP configuration; Based on each of the RB sets configuration.

11. A resource determination method, characterized in that: Applied to a network device, the method comprises: First information is sent, where the first information is used to indicate frequency domain resources of a physical direct link feedback channel PSFCH opportunity.

12. The method according to claim 11, characterized in that The first information is used to indicate M PSFCH comb sets in each RB set, each of the M PSFCH comb sets is associated with N PSFCH opportunities mapped by the PSSCH, and M and N are integers greater than or equal to 1.

13. The method according to claim 12, characterized in that The M is equal to the N.

14. The method according to claim 12, characterized in that Each of the PSFCH comb sets includes n comb interlaces, each of the combs includes m comb physical resource blocks interlace PRBs, m is 10 or 11, and n is an integer greater than or equal to 1.

15. The method according to claim 11, characterized in that The first information is used to indicate K physical direct link feedback channel physical resource blocks PSFCH PRB sets in each RB set, K is an integer greater than or equal to 1, and a common PSFCH comb ruler in each RB set, and the common PSFCH comb ruler is a comb ruler commonly used by all PSFCHs of the terminal device.

16. The method according to claim 15, characterized in that In response to the K value being 1, the PSFCH PRB set indicated by the first information is associated with the PSFCH timing mapped by the PSSCH.

17. The method according to claim 15, characterized in that In response to the K value being the same as the number of opportunities to which the PSFCH PRB sets are mapped to the PSSCH, each PSFCH PRB set in each RB set is associated one-to-one with the PSFCH opportunities to which the PSFCH is mapped.

18. The method according to any one of claims 11 to 17, wherein the first information is configured based on at least one of the following methods, including: Based on resource pool configuration; Based on partial bandwidth BWP configuration; Configured on a per-RB-set basis.

19. A resource determination method, characterized in that: The method comprises: The network device sends first information to the terminal, where the first information is used to indicate the frequency domain resources of the physical direct link feedback channel PSFCH opportunity; Based on the mapping relationship between the physical direct link shared channel PSSCH and the PSFCH opportunity and the first information, the terminal determines a first resource in the resource block RB set, where the first resource is a frequency domain transmission resource of the PSFCH opportunity, and performs hybrid automatic repeat request HARQ feedback on the transmission result of the PSSCH based on the first resource.

20. A terminal, characterized in that: The terminal comprises: A transceiver module, configured to receive first information, where the first information is used to indicate frequency domain resources of a physical direct link feedback channel PSFCH opportunity; A processing module is used to determine a first resource in a resource block RB set based on a mapping relationship between a physical direct link shared channel PSSCH and a PSFCH opportunity and the first information, wherein the first resource is a frequency domain transmission resource of the PSFCH opportunity, and perform hybrid automatic repeat request HARQ feedback on the transmission result of the PSSCH based on the first resource.

21. A network device, characterized in that: The network equipment includes: The transceiver module is used to send first information, where the first information is used to indicate the frequency domain resources of the physical direct link feedback channel PSFCH opportunity.

22. A terminal, characterized in that: The terminal comprises: one or more processors; The terminal is used to execute the resource determination method according to any one of claims 1 to 10.

23. A network device, characterized in that: The network equipment includes: one or more processors; The network device is used to execute the resource determination method described in any one of claims 11 to 19.

24. A communication system, characterized in that: It comprises a terminal and a network device, wherein the terminal is configured to implement the resource determination method according to any one of claims 1 to 10, and the network device is configured to implement the resource configuration method according to any one of claims 11 to 19.

25. A storage medium storing instructions, characterized in that: When the instruction is executed on a communication device, the communication device is caused to execute the resource configuration method according to any one of claims 1 to 10 or 11 to 19.

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