Data receiving method, data sending method and terminal

Abstract

The application discloses a data receiving method, a data sending method and a terminal, and belongs to the technical field of wireless communication. The data receiving method of the application comprises the following steps: a receiving terminal in a sidelink determines a receiving beam according to a first rule; and the receiving terminal receives transmission on the sidelink by using the receiving beam.

Description

Technical Field

[0001] This application belongs to the field of wireless communication technology, specifically relating to a data receiving method, a data transmitting method, and a terminal. Background Technology

[0002] Transmission loss is significant in the FR2 band, limiting its transmission range. Furthermore, FR2 transmission is easily obstructed by obstacles. In sidelink transmission, if an obstacle exists between two users (UEs), the signal strength between them will be significantly attenuated.

[0003] There is currently no effective solution to the high transmission loss or obstruction issues in the secondary link transmission on the FR2 band. Summary of the Invention

[0004] This application provides a data receiving method, a data sending method, and a terminal, which can solve the problems of high transmission path loss or obstruction in secondary link transmission.

[0005] In a first aspect, a data receiving method is provided, comprising: a receiving terminal in a secondary link determining a receiving beam according to a first rule; the receiving terminal using the receiving beam to receive transmissions on the secondary link.

[0006] Secondly, a data receiving device is provided, comprising: a first determining module for determining a receiving beam according to a first rule; and a receiving module for receiving transmissions on a secondary link using the receiving beam.

[0007] Thirdly, a data transmission method is provided, comprising: a transmitting terminal in a secondary link determining a transmission beam for a target transmission; the transmitting terminal using the transmission beam to perform the target transmission on the secondary link.

[0008] Fourthly, a data transmission device is provided, comprising: a second determining module for a transmission beam for target transmission; and a transmission module for using the transmission beam to perform the target transmission on a secondary link.

[0009] Fifthly, a terminal is provided, the terminal including a processor, a memory, and a program or instructions stored in the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the steps of the method as described in the first aspect, or implement the steps of the method as described in the third aspect.

[0010] In a sixth aspect, a terminal is provided, including a processor and a communication interface, wherein the processor is configured to implement the steps of the method described in the first aspect or the steps of the method described in the third aspect, and the communication interface is configured to communicate with an external device.

[0011] In a seventh aspect, a readable storage medium is provided, on which a program or instructions are stored, which, when executed by a processor, implement the steps of the method described in the first aspect, or implement the steps of the method described in the third aspect.

[0012] Eighthly, a chip is provided, the chip including a processor and a communication interface coupled to the processor, the processor being configured to run a program or instructions to implement the steps of the method described in the first aspect, or to implement the steps of the method described in the third aspect.

[0013] In a ninth aspect, a computer program / program product is provided, the computer program / program product being stored in a non-transient storage medium, the program / program product being executed by at least one processor to implement the steps of the method of the first aspect, or to implement the steps of the method of the third aspect.

[0014] In this embodiment of the application, the receiving terminal in the secondary link determines the receiving beam according to the first rule and uses the receiving beam for transmission on the secondary link. The transmitting terminal in the secondary link determines the transmitting beam for the target transmission when performing target transmission and uses the determined transmitting beam for target transmission on the secondary link. Thus, when transmitting in the FR2 band, beam transmission can be used, thereby combating the high transmission path loss or obstruction problem in the FR2 band. Attached Figure Description

[0015] Figure 1 This diagram illustrates a wireless communication system to which embodiments of this application may be applied;

[0016] Figure 2 This illustration shows a flowchart of a data receiving method provided in an embodiment of this application;

[0017] Figure 3 This illustration shows a flowchart of a data transmission method provided in an embodiment of this application;

[0018] Figure 4 This diagram illustrates a resource reservation method in an embodiment of this application.

[0019] Figure 5 This diagram illustrates another resource reservation method in an embodiment of this application.

[0020] Figure 6This diagram illustrates yet another type of resource reservation in an embodiment of this application;

[0021] Figure 7 This illustration shows a structural schematic diagram of a data receiving device provided in an embodiment of this application;

[0022] Figure 8 This illustration shows a structural diagram of a data transmission apparatus provided in an embodiment of this application;

[0023] Figure 9 This illustration shows a structural diagram of a communication device provided in an embodiment of this application;

[0024] Figure 10 This diagram illustrates the hardware structure of a terminal according to an embodiment of this application. Detailed Implementation

[0025] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0026] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same class, not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0027] It is worth noting that the technologies described in this application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in this application are often used interchangeably, and the described technologies can be used with the systems and radio technologies mentioned above, as well as with other systems and radio technologies. The following description describes New Radio (NR) systems for illustrative purposes, and NR terminology is used in most of the following description; however, these technologies can also be applied to applications beyond NR systems, such as 6th generation (6G) radio systems. th Generation 6G communication system.

[0028] Figure 1 This diagram illustrates a block diagram of a wireless communication system applicable to embodiments of this application. The wireless communication system includes a relay terminal 11, a network-side device 12, and a remote terminal 13. In this embodiment, the remote terminal 13 communicates with the relay terminal 11 via a PC5 (secondary link) interface, and the relay terminal 11 communicates with the network-side device 12 via a Uu interface.

[0029] In this embodiment, relay terminal 11 can also be referred to as relay terminal equipment or relay user equipment (UE), and remote terminal 13 can also be referred to as remote terminal equipment or remote UE. Relay terminal 11 and remote terminal 13 can be terminal-side devices such as mobile phones, tablet personal computers, laptop computers or notebook computers, personal digital assistants (PDAs), handheld computers, netbooks, ultra-mobile personal computers (UMPCs), mobile internet devices (MIDs), wearable devices or vehicle user equipment (VUEs), and pedestrian user equipment (PUEs). Wearable devices include wristbands, headphones, glasses, etc. It should be noted that the specific types of relay terminal 11 and remote terminal 13 are not limited in this application embodiment. Network-side device 12 can be a base station or a core network. The base station can be referred to as a node B, evolved node B, access point, base transceiver station (BTS), radio base station, radio transceiver, basic service set (BSS), extended service set (ESS), B node, evolved B node (eNB), home B node, home evolved B node, WLAN access point, WiFi node, transmission reception point (TRP), or any other suitable term in the field, as long as the same technical effect is achieved. The base station is not limited to specific technical terms. It should be noted that in this application embodiment, only the base station in the NR system is used as an example, but the specific type of base station is not limited.

[0030] The data receiving method and data sending method provided in this application will be described in detail below with reference to the accompanying drawings and through some embodiments and application scenarios.

[0031] Figure 2 This diagram illustrates a data receiving method according to an embodiment of the present application. This method 200 can be executed by a terminal. In other words, the method can be executed by software or hardware installed on the terminal. Figure 2 As shown, the method may include the following steps.

[0032] S210, the receiving terminal in the secondary link determines the receiving beam according to the first rule.

[0033] In this embodiment, the receiving terminal (RX UE) can be a relay terminal in the secondary link or a remote terminal in the secondary link; the specific implementation is not limited in this embodiment.

[0034] In this embodiment, to combat the high transmission path loss or obstruction issues in the FR2 band, the sidelink UE can use beamforming for transmission when transmitting in the FR2 band. For a pair of transmitting terminals (TX UE) and receiving terminals (RX UE), the TX UE uses the TX beam for transmission, and the RX UE uses the RX beam for reception, which can improve the signal strength and / or coverage of the transmission.

[0035] The Sidelink UE can employ a multi-panel transceiver architecture, where each panel corresponds to a beam in a specific direction, transmitting / receiving in that beam direction. Therefore, in this embodiment, the RX UE determines the receiving beam according to the first rule.

[0036] It should be noted that the beam in the embodiments of this application may be a spatial domain filter, a precoder, a reference signal resource index (RS resource index), a transmission configuration indicator (TCI), an antenna panel, etc.

[0037] S212, the receiving terminal uses the receiving beam to receive the transmission on the secondary link.

[0038] In this embodiment of the application, the receiving terminal can determine the receiving beam corresponding to each resource according to the first rule, and use the determined receiving beam to receive the secondary link transmission on the corresponding resource, instead of receiving the transmission from a certain TX UE with a certain directional beam. This can avoid the problems of not receiving the transmission from TX UEs in other directions and not being able to accurately detect the occupancy status of the channel.

[0039] In one possible implementation of this application, the first rule may include receiving using a first beam on a first target resource.

[0040] In the first possible implementation, the first target resource may include at least one of the following: a preset time-domain resource and a preset frequency-domain resource. For example, all resources in the resource pool, meaning that the receiving terminal always uses the first beam for reception.

[0041] The first beam can be a preset beam, such as an omnidirectional beam, or a beam determined autonomously by the receiving terminal. A beam determined autonomously by the receiving terminal means that the receiving terminal selects the receiving beam based on its own circumstances, such as determining the receiving beam based on the direction of reception, or selecting the beam with the largest radiation angle based on its antenna radiation mode.

[0042] The preset beam can include one of the following: a beam agreed upon by the protocol, a beam configured by the control node, or a pre-configured beam. In other words, the preset beam can be a beam agreed upon by the protocol, configured by the control node, or pre-configured.

[0043] Alternatively, the protocol may stipulate that the first beam used for reception on the first target resource is the same beam or a beam with a quasi-co-location relationship. For example, the protocol stipulates that the receiving terminal uses the same beam or a beam with a quasi-co-location relationship to receive data on preset time-domain resources and / or frequency-domain resources (e.g., resource pools).

[0044] In a second possible implementation, the first target resource may include resources occupied by the first target information, wherein the first target information includes at least one of the following: a preset channel, a preset symbol, and preset information.

[0045] Optionally, the preset channel may include: Physical Side Link Control Channel (PSCCH).

[0046] Optionally, the preset symbols may include symbols occupied by Sidelink Control Information (SCI). For example, the first symbol of PSCCH to symbol 2. nd The last symbol in the SCI mapping; the symbol indicated by the control node, etc.

[0047] Optionally, the preset information may include: physical layer SCI.

[0048] In the secondary link, the Physical SideLink Shared Channel (PSSCH) is used for data transmission. Control information associated with the PSSCH is carried in the SCI of both the PSCCH and PSSCH. The SCI is divided into two levels: 1... stIn stage SCI, PSCCH, 2 nd Stage SCI is in PSSCH. The preset information may include 1. st stage SCI and / or 2 nd stage SCI.

[0049] In this possible implementation, the first beam can be a preset beam, such as an omnidirectional beam, or a beam determined autonomously by the receiving terminal. Here, the beam determined autonomously by the receiving terminal refers to the receiving terminal selecting the receiving beam to use based on its own circumstances.

[0050] The preset beam can include one of the following: a beam agreed upon by the protocol, a beam configured by the control node, or a pre-configured beam. In other words, the preset beam can be agreed upon by the protocol, configured by the control node, or pre-configured, for example, pre-configured in the receiving terminal before it leaves the factory.

[0051] Furthermore, the receiving terminal uses the same beam or a beam with a quasi-co-location relationship when receiving on the first target resource. For example, the RX UE uses the same beam or a beam with a quasi-co-location relationship to receive on a preset channel or preset symbol.

[0052] In the second possible implementation described above, optionally, the first rule may further include: determining a second beam used on a second target resource based on first beam indication information, wherein the second target resource includes resources occupied by second target information, wherein the second target information includes at least one of the following:

[0053] At least some channels other than the preset channel; for example, PSSCH.

[0054] At least some of the symbols other than the preset symbols. For example, 2 in PSSCH. nd Symbols following SCI; symbols configured in control nodes, etc.

[0055] The first beam indication information is included in the SCI associated with the second target resource.

[0056] Optionally, the first beam indication information can be indicated by a control node, for example, by a base station or a UE with control power. Alternatively, the first beam indication information can also be indicated by a transmitting terminal (TX UE).

[0057] For example, the TX UE indicating the first beam indication information may include one of the following:

[0058] (1)TX UE directly indicates TCI configuration, quasi-co-address (QCL) relationship, etc.

[0059] (2) The TX UE indirectly indicates the beam by indicating time-domain and / or frequency-domain information, wherein the time-domain and / or frequency-domain information is associated with the beam information, and the association relationship may be agreed upon by the protocol / configured / pre-configured.

[0060] (3) The TX UE indirectly indicates the beam by indicating its previous HARQ process, transport block (TB), or physical sidelink feedback channel (PSFCH), wherein the previous TB transmission and the current TB transmission use the same beam or have a quasi-co-located beam.

[0061] (4) The TX UE indirectly indicates the beam by indicating the HARQ process, TB, or PSFCH of the previously received RX UE, wherein the previous TB reception and the current TB transmission use the same beam or a beam with a quasi-co-location relationship.

[0062] For example, when a TX UE performs PSCCH and / or PSSCH multicast transmission, and the TX UE retransmits the NACK from an RX UE, the transmission beam for the PSCCH and / or PSSCH retransmission can be adjusted based on the PSFCH transmit / receive beam of the RX UE that sent the NACK. The retransmission beam can be implicitly indicated.

[0063] In one possible implementation, the first rule may include: if no second beam indication information for the target transmission is obtained before the target transmission, the target transmission is received using the first beam; if the second beam indication information for the target transmission is obtained before the target transmission, the receiving beam for the target transmission is determined according to the second beam indication information.

[0064] In other words, in this possible implementation, if the RX UE obtains beam indication information for a certain transmission (e.g., PSCCH and / or PSSCH retransmission) in advance, the RX UE determines the receiving beam based on the beam indication information.

[0065] Optionally, the second beam indication information may be included in the SCI associated with the target transmission, for example, the SCI included in the previous PSCCH and / or PSSCH transmission.

[0066] Optionally, the second beam indication information may be indicated by a control node (e.g., a base station or a UE with control functions) and / or a transmitting terminal.

[0067] The method by which the TX UE indicates the second beam indication information is similar to the method of indicating the first beam indication information; for details, please refer to the above description regarding the TX UE indicating the first beam indication information.

[0068] Optionally, if the RX UE does not obtain in advance the beam indication information corresponding to reception on a certain time domain and / or frequency domain resource (e.g., the initial transmission of TB), the RX UE uses a specific beam (i.e., the first beam) for reception. Optionally, the specific beam can be a preset beam (e.g., an omnidirectional beam) or a beam determined autonomously by the RX UE. The preset beam can be protocol-defined, configured by the control node, or pre-configured.

[0069] In one possible implementation, the first rule may include: using a first beam for reception on a third target resource, and / or using a third beam for reception on a fourth target resource. That is, in this possible implementation, the RX UE may employ specific beam reception (e.g., omnidirectional beam reception) on certain preset resources (e.g., the third target resource, including time-domain and / or frequency-domain resources), and / or may employ indicated beams (e.g., directional beam reception) on other preset resources (e.g., the fourth target resource).

[0070] Optionally, the third target resource may include at least one of the following: a dedicated resource for groupcast transmission, or a dedicated resource for broadcast transmission.

[0071] Optionally, the third target resource can be configured by the control node or pre-configured.

[0072] In the above possible implementations, the third target resource can be set for one transmission type, or the third target resource can be set for multiple transmission types. For example, the third target resource can be set independently for one transmission type, or the third target resource can be set independently for multiple different transmission types.

[0073] Optionally, the fourth target resource includes dedicated resources for unicast transmission.

[0074] Optionally, the fourth target resource can be configured by the control node or pre-configured.

[0075] Optionally, the fourth target resource is the resource negotiated between the receiving terminal and the transmitting terminal for data transmission between terminal pairs. For example, the RX UE and TX UE can negotiate time-domain and / or frequency-domain resources for data transmission between UE-pairs, so that the transmission of different TX UEs corresponding to the RX UE is TDM transmission, and the RX UE only needs to use one type of beam for reception at a certain time.

[0076] Optionally, the first beam may be a preset beam, such as an omnidirectional beam, or it may be a beam determined autonomously by the RX UE. The preset beam may be agreed upon by the protocol, configured by the control node, or pre-configured.

[0077] Optionally, the third beam may be the beam indicated by the third beam indication information. The third beam indication information may be indicated by a control node (e.g., a base station or a UE with control functions), or it may be indicated by a TX UE. The way the TX UE indicates the third beam indication information is similar to the way it indicates the first beam indication information; for details, please refer to the above description regarding the TX UE indicating the first beam indication information.

[0078] Alternatively, the third beam can also be the first beam.

[0079] In one possible implementation, the first rule may further include: if the receiving terminal does not support receiving on the fifth target resource using multiple beams, but the receiving terminal is configured to receive on the fifth target resource using multiple beams, the receiving terminal determines the receiving beam according to one of the following (1) to (4). Wherein, the receiving terminal being configured to receive on the fifth target resource using multiple beams may be indicated by a control node, a transmitting terminal, or a protocol stipulation that the receiving terminal uses multiple beams to receive on the fifth target resource.

[0080] (1) Based on the transmission attribute information, determine whether to prioritize the use of the beam corresponding to the first transmission and / or abandon the beam corresponding to the second transmission, wherein the attribute information includes at least one of the following: priority information and quality of service (QoS) information. The QoS information may include reliability, latency, packet delay budget (PDB), etc.

[0081] For example, (preferentially) abandon directional beams corresponding to low-priority or low-QoS transmissions (including transmissions with low reliability, large PDB, or remaining PDB).

[0082] Optionally, in this possible implementation, when the beam corresponding to the second transmission is abandoned, the transmitting terminal corresponding to the second transmission can be triggered to perform resource reselection.

[0083] Optionally, in this possible implementation, the receiving terminal may notify the sending terminal that it prefers to use time-domain and / or frequency-domain resources, wherein the time-domain and / or frequency-domain resources correspond to the beam corresponding to the first transmission, and / or may also notify the sending terminal that it does not prefer to use time-domain and / or frequency-domain resources, wherein the time-domain and / or frequency-domain resources correspond to the beam corresponding to the second transmission.

[0084] (2) The first beam is used to receive the signal on the fifth target resource.

[0085] Optionally, the first beam can be a preset beam (e.g., an omnidirectional beam) or a beam determined autonomously by the RX UE. The preset beam can be protocol-defined, control node-configured, or pre-configured.

[0086] (3) The fifth beam is used to receive on the fifth target resource, wherein the fifth beam is the beam indicated by the beam indication information; for example, the RX UE preferentially uses the indicated beam to receive on the fifth target resource.

[0087] (4) Reception is performed on the fifth target resource using the sixth beam, wherein the sixth beam is the beam with a larger number of corresponding transmitting terminals and / or a larger number of corresponding transport blocks. For example, RX UE (preferred) uses the receiving beam with a larger number of corresponding TX UEs and / or a larger number of TB transmissions to perform reception on the time domain and / or frequency domain resource (i.e., the fifth target resource).

[0088] Alternatively, the RX UE can avoid using multiple (directional) beams to receive on a certain time and / or frequency domain resource through negotiation between the RX UE and the TX UE or proximity UE (e.g., negotiating time and / or frequency domain resources used for transmission between pair-UEs). That is, the RX UE enables multiple (directional) receive beams in a TDM manner.

[0089] In one possible implementation, the first rule may include: determining the receiving beam according to a preset reference direction.

[0090] Optionally, the preset reference direction includes one of the following: a reference direction agreed upon in the protocol, a reference direction configured by the control node, or a pre-configured reference direction. For example, a certain absolute direction can be used as the reference direction.

[0091] Optionally, the received beam includes at least one of the following:

[0092] Determine the number of the received beams;

[0093] Determine the width of the received beam;

[0094] Determine the radiation mode of the received beam;

[0095] The numbering of the received beam is determined, for example, the beam in the reference direction is used as the first number, and the remaining beams are numbered clockwise.

[0096] Optionally, in the above possible implementations, after the receiving terminal determines the receiving beam according to the first rule, the method further includes: the receiving terminal carrying first information in the transmitted first signaling, wherein the first signaling is used to indicate and / or reserve receiving resources, and the first information includes at least one of the following: beam information, location information of the receiving terminal. For example, when the UE indicates or reserves reception resources, it carries beam information and / or the UE's location information in the corresponding signaling (e.g., SCI).

[0097] Optionally, in the above possible implementations, before the receiving terminal determines the receiving beam according to the first rule, the method further includes: the receiving terminal selecting receiving resources based on monitored second information, wherein the second information includes at least one of the following: location information of nearby terminals, beam indication information sent by nearby terminals, and resource occupancy information of nearby terminals. For example, when the UE selects sensing and reception resources, it selects resources based on detecting / listening to beam indication information sent by nearby UEs, and / or location information of nearby UEs (or relative location information between nearby UEs and the UE), and / or resource occupancy information of nearby UEs.

[0098] Optionally, the nearby terminal includes a nearby transmitting terminal. For example, the nearby UE includes at least a nearby TX UE, and the beam indication information includes at least the transmission beam indicated by the nearby TX UE.

[0099] In the above possible implementations, the nearby terminal can be determined based on one of the following: location information between terminals, energy measurement results between terminals, or signal quality measurement results between terminals.

[0100] The technical solution provided by the embodiments of this application can set the receiving beam of the RX UE, so that the RX UE can use receiving beams in multiple directions to receive the transmission of the secondary link. This can avoid the problem that the RX UE only uses a certain directional RX beam to receive the transmission from a certain TX UE, and may not receive the transmission from TX UEs in other directions, and cannot accurately detect the channel occupancy status.

[0101] Figure 3This diagram illustrates a flow chart of a data transmission method provided in an embodiment of this application. This method 300 can be executed by a terminal. In other words, the method can be executed by software or hardware installed on the terminal. Figure 3 As shown, the method may include the following steps.

[0102] S310, the transmitting terminal in the secondary link determines the transmission beam of the target transmission.

[0103] In this embodiment, the transmitting terminal (TX UE) can be a relay terminal in the secondary link or a remote terminal in the secondary link; the specific implementation is not limited in this embodiment.

[0104] In this embodiment, to combat the high transmission path loss or obstruction issues in the FR2 band, the sidelink UE can use beamforming for transmission when transmitting in the FR2 band. For a pair of transmitting terminals (TX UE) and receiving terminals (RX UE), the TX UE uses the TX beam for transmission, and the RX UE uses the RX beam for reception, which can improve the signal strength and / or coverage of the transmission.

[0105] In this embodiment, the Sidelink UE can employ a multi-panel transceiver architecture, where each panel corresponds to a beam in a specific direction, transmitting / receiving in that beam direction. Therefore, in this application embodiment, the TX UE determines the transmission beam for the target transmission before performing the target transmission.

[0106] S312, the transmitting terminal uses the transmitting beam to perform the target transmission on the secondary link.

[0107] The technical solution provided in this application embodiment enables the TX UE to transmit to the target using beams, thereby reducing path loss in secondary link transmission and improving the transmission signal strength.

[0108] In one possible implementation, the transmitting terminal determining the transmission beam may include: the transmitting terminal determining to perform a transport block (TB) transmission in the form of a resource set; the transmitting terminal determining the transmission beam used by the target transmission based on at least one resource set.

[0109] For example, in broadcast or multicast transmission, a transmitting terminal can perform a TB transmission in the form of a resource set, including the initial TB transmission and the TB retransmission. The resource set may include: the time-domain and / or frequency-domain resource set of the PSCCH, and / or the time-domain and / or frequency-domain resource set of the PSSCH.

[0110] Optionally, resources in the same resource set may have the same size. Of course, this is not a limitation. In specific applications, resources in the same resource set may have different sizes.

[0111] Optionally, the number of resources in one of the resource sets is a predetermined value, which is determined by one of the following: protocol agreement, control node configuration, pre-configuration, or autonomous determination by the sending terminal.

[0112] Optionally, resources in a resource set can appear consecutively in time. For example, they can appear consecutively in the sidelink slot of a resource pool, or consecutively in the logical slot.

[0113] When resources in a resource set appear consecutively in time, at least some resources in the resource pool are configured or pre-configured in the form of a resource set; or, the sending terminal selects the resource set using the resource set as the basic unit for resource selection.

[0114] Alternatively, the resources in the resource set may appear discontinuously in time. Optionally, in this case, the sending terminal may select the resource set using a single resource as the basic unit of resource selection.

[0115] In one possible implementation, the transmission beam corresponding to the resource in the resource set includes one of the following: a preset transmission beam, or a transmission beam determined autonomously by the transmitting terminal. Optionally, the preset transmission beam may be protocol-defined, configured by the control node, or pre-configured.

[0116] Alternatively, the transmission beam pattern (e.g., beam scanning mode) corresponding to the resources in the resource set includes one of the following: a preset transmission beam pattern, or a transmission beam pattern determined autonomously by the transmitting terminal. Optionally, the preset transmission beam pattern may be protocol-defined, control node-configured, or pre-configured.

[0117] In one possible implementation, the first transmit beam and the second transmit beam have a quasi-co-location relationship, wherein the first transmit beam corresponds to a first resource in a first resource set, and the second transmit beam corresponds to a second resource in a second resource set, wherein the at least one resource set includes the first resource set and the second resource set. That is, the transmit beams corresponding to resources in the resource sets have a quasi-co-location relationship, wherein transmit beams with a quasi-co-location relationship correspond to the same beam.

[0118] Among the possible implementation methods described above, one of the following can be used: protocol agreement, control node configuration, or pre-configuration:

[0119] (1) The first resource set and the second resource set; that is, which resource sets have a quasi-co-located relationship in their resource transmission beams as agreed by the protocol, configured by the control node, or pre-configured. For example, resource sets whose resource transmission beams all have a quasi-co-located relationship.

[0120] (2) The first resource in the first resource set and the second resource in the second resource set. That is, which resources in the resource sets have a quasi-co-location relationship, as agreed by the protocol, configured by the control node, or pre-configured. For example, the transmission beams on resources with the same number in the resource sets have a quasi-co-location relationship.

[0121] In one possible implementation, the transmit beam corresponding to the sixth target resource in the at least one resource set is set independently relative to the transmit beams corresponding to other resources in the at least one resource set. The sixth target resource is a resource occupied by third target information, which includes at least one of the following: resource reservation signaling, PSCCH, and SCI. For example, the transmit beam for "time-domain and / or frequency-domain resources occupied by resource reservation signaling / control information / PSCCH / SCI / a certain level of SCI" in the resource set can be set independently.

[0122] For example, the transmission beam corresponding to the sixth target resource is a first preset beam. That is to say, the transmission beam corresponding to the sixth target resource is a first preset beam, such as an omnidirectional beam.

[0123] Optionally, the resource reservation form indicated by the resource reservation signaling includes at least one of the following:

[0124] (1) Reserve resources in the form of resource sets.

[0125] For example, some resources in a resource pool are configured as resource sets, such as... Figure 4 As shown, any resource reservation signal sent in a resource set indicates that the resource set has been reserved.

[0126] Optionally, the reservation method includes periodic reservation and non-periodic reservation; wherein, the resource set reserved non-periodicly is used for the same TB transmission, and the resource set reserved periodically can be used for different TB transmissions.

[0127] (2) Reserve a third resource, wherein the third resource and the fourth resource occupied by the resource reservation signaling belong to the same resource set.

[0128] For example, such as Figure 5 As shown, the resource reservation signaling associated with a resource in the resource set reserves other resources in the resource set in order to ensure as many resources as possible are reserved and improve transmission reliability.

[0129] (3) Reserve a fifth resource, wherein the fifth resource and the fourth resource occupied by the resource reservation signaling belong to different resource sets.

[0130] For example, such as Figure 6 As shown, a resource reservation signal associated with a resource in a resource set reserves a resource in another resource set.

[0131] Optionally, the resources in the fifth resource set may correspond to the same or have a quasi-co-located transmission beam (e.g., a data transmission beam or a PSSCH transmission beam) as the fourth resource, in order to ensure directional resource reservation and improve space division utilization.

[0132] Optionally, the reservation method includes periodic reservation and non-periodic reservation; wherein, the resource set reserved non-periodicly is used for the same TB transmission, and the resource set reserved periodically can be used for different TB transmissions.

[0133] The resource reservation form indicated by the resource reservation signaling is determined by one of the following: protocol agreement, control node configuration, or pre-configuration.

[0134] In one possible implementation, after the transmitting terminal determines the transmission beam used by the target transmission based on at least one resource set, the method further includes: transmitting third beam indication information, the third beam indication information being used to indicate the transmission beam corresponding to the at least one resource set. The transmitting terminal may transmit the third beam indication information to the receiving terminal corresponding to the target transmission, or it may broadcast the third beam indication information, thereby enabling nearby UEs to know the transmission beam corresponding to the at least one resource set.

[0135] For example, the TX UE indicates the transmit beam corresponding to the resource set to the corresponding RX UE / nearby UE in the form of beam indication information, so that the RX UE can determine its receive beam and / or the nearby UE to perform sensing.

[0136] Optionally, the third beam indication information may include one of the following:

[0137] (1) First control information associated with information transmission in a third resource set, wherein the first control information indicates the beam pattern used by other resource sets besides the third resource set in the at least one resource set; wherein the other resource sets may be resource sets following the third resource set. For example, control information associated with information transmission in one resource set indicates the beam pattern used by other subsequent resource sets.

[0138] (2) Second control information associated with information transmission on a sixth resource, wherein the second control information indicates the transmission beam corresponding to information transmission on a seventh resource, the sixth resource being a resource in a fourth resource set, and the seventh resource being a resource in another resource set besides the fourth resource set in the at least one resource set. The resource set to which the seventh resource belongs can be a subsequent resource set to the fourth resource set. For example, control information associated with information transmission on a resource in one resource set indicates the transmission beam corresponding to information transmission on a resource in another subsequent resource set.

[0139] (3) Third control information associated with information transmission on the eighth resource, wherein the third control information indicates the transmission beam corresponding to the ninth resource, the eighth resource and the ninth resource belong to different resources in the fifth resource set, the fifth resource set being one of the at least one resource set; wherein the ninth resource can be a resource following the eighth resource. For example, control information associated with information transmission on a resource in a resource set indicates the transmission beam corresponding to information transmission on other (subsequent) resources in that resource set.

[0140] (4) Fourth control information associated with information transmission on the tenth resource, wherein the fourth control information indicates the transmission beam corresponding to the information transmission on the tenth resource. For example, control information associated with information transmission on a certain resource indicates the transmission beam corresponding to that information transmission. Optionally, the third beam indication information may indicate the transmission beam corresponding to a portion of the information transmission on the tenth resource, such as the transmission beam of PSSCH, the transmission beam of data transmission, or the transmission beam of certain symbols.

[0141] In one possible implementation, the transmitting terminal determines the transmission beam by: the transmitting terminal determining to perform a transport block (TB) transmission in the form of a single resource; and the transmitting terminal determining the transmission beam used by the target transmission based on at least one resource used by the target transmission.

[0142] For example, in broadcast or multicast transmission, the TX UE performs a TB transmission as a single resource, including the initial TB transmission and the TB retransmission; or, in unicast transmission, the TX UE performs a TB transmission as a single resource, including the initial TB transmission and the TB retransmission.

[0143] In the above possible implementations, optionally, the transmission beam corresponding to the seventh target resource is a second preset beam, wherein the seventh target resource is the resource occupied by the third target information, and the third target information includes at least one of the following: resource reservation signaling, PSCCH, and SCI. For example, the transmission beam for "time domain and / or frequency domain resources occupied by resource reservation signaling, control information, PSCCH, SCI, or a certain level of SCI" is the second preset beam.

[0144] In the above possible implementations, optionally, the transmission beam corresponding to the eighth target resource is a third preset beam, wherein the eight target resources are resources occupied by data transmission or resources occupied by PSSCH transmission. For example, the transmission beam for "time domain and / or frequency domain resources occupied by PSSCH or data transmission" is the third preset beam.

[0145] Optionally, the second preset beam is the same as the third preset beam, or the second preset beam and the third preset beam have a quasi-co-located relationship.

[0146] In the above possible implementations, optionally, the transmission beam corresponding to the ninth target resource includes at least one of the following: a fourth preset beam, a beam determined autonomously by the transmitting terminal, and a beam indicated by the receiving terminal, wherein the ninth target resource is a resource occupied by PSCCH or SCI; and / or, the transmission beam corresponding to the tenth target resource includes at least one of the following: a fifth preset beam, a beam determined autonomously by the transmitting terminal, and a beam indicated by the receiving terminal, wherein the tenth target resource is a resource occupied by PSSCH or data transmission.

[0147] For example, the transmission beam of PSCCH (and / or resource reservation signaling) and / or PSSCH (and / or data transmission) may be at least one of the following: a preset beam, a beam determined autonomously by the TX UE, or a beam indicated by the RX UE. For example, in scenarios where the RX UE schedules the TX UE or assists the TX UE, the RX UE may indicate the transmission beam of the TX UE.

[0148] Optionally, the method may further include: the transmitting terminal receiving the PSFCH using a target beam, wherein the target beam includes one of the following: the transmitting beam of the PSCCH, the transmitting beam of the PSSCH, a beam that has a quasi-co-located relationship with the transmitting beam of the PSCCH, and a beam that has a quasi-co-located relationship with the transmitting beam of the PSSCH. For example, the PSCCH / PSSCH transmitting beam of the TX UE (or a beam that has a quasi-co-located relationship with it) is used to receive the associated PSFCH; the receiving beam of the PSCCH / PSSCH received by the RX UE (or a beam that has a quasi-co-located relationship with it) is used to transmit the PSFCH. This is to achieve beamforming for PSFCH transmission.

[0149] In one possible implementation, after the transmitting terminal determines the transmission beam used by the target transmission based on at least one resource used by the target transmission, the method further includes: transmitting fourth beam indication information to indicate the transmission beam corresponding to the at least one resource.

[0150] Optionally, the fourth beam indication information includes one of the following:

[0151] (1) Fifth control information associated with the transmission of the first resource, wherein the fifth control information indicates the transmission beam corresponding to the information transmission on the second resource, and the first resource and the second resource are different resources among the at least one resource.

[0152] The second resource can be a resource that follows the first resource. For example, the control information associated with the transmission of a certain resource indicates the transmission beam corresponding to the information transmission on other subsequent resources.

[0153] (2) The sixth control information associated with the information transmission on the third resource, wherein the sixth control information indicates the transmission beam corresponding to the information transmission on the third resource, and the third resource is one of the at least one resources.

[0154] For example, the control information associated with information transmission on a certain resource indicates the transmission beam corresponding to that information transmission.

[0155] Optionally, the fourth beam indication information may indicate the transmit beam corresponding to the partial information transmission on the third resource, such as the PSSCH transmit beam, the transmit beam for data transmission, or the transmit beam for certain symbols.

[0156] Optionally, the TX UE indicating fourth beam indication information may include one of the following:

[0157] (1)TX UE directly indicates TCI configuration, quasi-co-address (QCL) relationship, etc.

[0158] (2) The TX UE indirectly indicates the beam by indicating time-domain and / or frequency-domain information, wherein the time-domain and / or frequency-domain information is associated with the beam information, and the association relationship may be agreed upon by the protocol / configured / pre-configured.

[0159] (3) The TX UE indirectly indicates the beam by indicating its previous HARQ process, transport block (TB), or physical sidelink feedback channel (PSFCH), wherein the previous TB transmission and the current TB transmission use the same beam or have a quasi-co-located beam.

[0160] (4) The TX UE indirectly indicates the beam by indicating the HARQ process, TB, or PSFCH of the previously received RX UE, wherein the previous TB reception and the current TB transmission use the same beam or a beam with a quasi-co-location relationship.

[0161] For example, when a TX UE performs PSCCH and / or PSSCH multicast transmission, and the TX UE retransmits the NACK from an RX UE, the transmission beam for the PSCCH and / or PSSCH retransmission can be adjusted based on the PSFCH transmit / receive beam of the RX UE that sent the NACK. The retransmission beam can be implicitly indicated.

[0162] In one possible implementation, determining the transmission beam further includes: determining the transmission beam according to a preset reference direction.

[0163] Optionally, the preset reference direction includes one of the following: a reference direction agreed upon in the protocol, a reference direction configured by the control node, or a pre-configured reference direction. For example, a certain absolute direction can be used as the reference direction.

[0164] Optionally, determining the transmission beam includes at least one of the following:

[0165] Determine the number of the transmitted beams;

[0166] Determine the width of the transmitted beam;

[0167] Determine the radiation mode of the transmitted beam;

[0168] The numbering of the transmitted beam is determined, for example, the beam in the reference direction is used as the first number, and the remaining beams are numbered clockwise.

[0169] Optionally, after determining the transmission beam, the method further includes: the transmitting terminal carrying second information in the transmission of a second signaling message, wherein the second signaling message is used to indicate and / or reserve reception resources, and the second information includes at least one of the following: beam information and the location information of the transmitting terminal. For example, when the TX UE performs transmission resource indication / reservation, the corresponding signaling message (e.g., SCI) carries beam information and / or the location information of the TX UE.

[0170] Optionally, before determining the transmission beam, the method may further include: the transmitting terminal selecting transmission resources based on monitored third information, wherein the third information includes at least one of the following: location information of nearby terminals, beam indication information transmitted by nearby terminals, and resource occupancy information of nearby terminals. For example, when the TX UE selects sensing and transmission resources, it selects resources based on beam indication information transmitted by nearby UEs, and / or location information of nearby UEs ( / relative location information between nearby UEs and the UE), and / or resource occupancy information of nearby UEs.

[0171] Optionally, the nearby terminal includes at least one of the following: a nearby transmitting terminal and a nearby receiving terminal. That is, the nearby UE includes at least a nearby TX UE / a nearby RX UE; the beam indication information includes at least the transmission beam indicated by the nearby TX UE / the reception beam indicated by the nearby RX UE.

[0172] Optionally, the proximity terminal is determined based on one of the following: location information between terminals, energy measurement results between terminals, and signal quality measurement results between terminals.

[0173] The technical solution provided in this application embodiment can set the transmission beam of the TX UE, so that the TX UE can use transmission beams in multiple directions to transmit the secondary link. This can avoid the problem that the TX UE only uses a certain directional TX beam to transmit to a certain RX UE, which may cause other RX UEs to not receive the transmission of the TX UE, and other RX UEs cannot accurately detect the channel occupancy status.

[0174] It should be noted that the data receiving method provided in this application embodiment can be executed by a data receiving device, or by a control module within the data receiving device for executing the data receiving method. This application embodiment uses the execution of the data receiving method by a data receiving device as an example to illustrate the data receiving device provided in this application embodiment.

[0175] Figure 7 This illustration shows a structural diagram of a data receiving device provided in an embodiment of this application, such as... Figure 7 As shown, the device 700 mainly includes: a first determining module 701 and a receiving module 702.

[0176] In this embodiment of the application, the first determining module 701 is used to determine the receiving beam according to the first rule; the receiving module 702 is used to receive the transmission on the secondary link using the receiving beam.

[0177] In one possible implementation, the first rule includes: receiving using a first beam on a first target resource.

[0178] In one possible implementation, the first target resource includes at least one of the following: a preset time-domain resource and a preset frequency-domain resource.

[0179] In one possible implementation, the first target resource includes the resources occupied by the first target information, wherein the first target information includes at least one of the following: a preset channel, a preset symbol, and preset information.

[0180] In one possible implementation, the preset channel includes: Physical Sublink Control Channel (PSCCH); the preset symbols include: symbols occupied by Sublink Control Information (SCI); and the preset information includes: Physical Layer Information (SCI).

[0181] In one possible implementation, the first rule further includes: determining a second beam used on a second target resource based on first beam indication information, wherein the second target resource includes resources occupied by second target information, wherein the second target information includes at least one of the following: at least some channels other than the preset channel, and at least some symbols other than the preset symbols.

[0182] In one possible implementation, the first beam indication information is included in the SCI associated with the second target resource; and / or, the first beam indication information is indicated by the control node and / or the transmitting terminal.

[0183] In one possible implementation, the first beam used for receiving on the first target resource is the same beam or a beam with a quasi-co-location relationship.

[0184] In one possible implementation, the first rule includes: if no second beam indication information for the target transmission is obtained before the target transmission, the target transmission is received using a first beam; if the second beam indication information for the target transmission is obtained before the target transmission, the receiving beam for the target transmission is determined according to the second beam indication information.

[0185] In one possible implementation, the second beam indication information is included in the target transmission associated SCI; and / or, the second beam indication information is indicated by the control node and / or the transmitting terminal.

[0186] In one possible implementation, the first rule includes: receiving using a first beam on a third target resource, and / or receiving using a third beam on a fourth target resource.

[0187] In one possible implementation, the third target resource includes at least one of the following: dedicated resources for multicast transmission, dedicated resources for broadcast transmission; and / or, the fourth target resource includes dedicated resources for unicast transmission.

[0188] In one possible implementation, the third target resource is set for one propagation type, and / or the third target resource is set for multiple propagation types.

[0189] In one possible implementation, the third target resource is configured or pre-configured by the control node; and / or the fourth target resource is configured or pre-configured by the control node.

[0190] In one possible implementation, the fourth target resource is a resource negotiated between the receiving terminal and the sending terminal for data transmission between the terminals.

[0191] In one possible implementation, the first rule further includes: in the case where receiving on the fifth target resource using multiple beams is not supported, but is configured to receive on the fifth target resource using multiple beams, the receiving beam is determined according to one of the following:

[0192] The beam corresponding to the first transmission is preferentially used and / or the beam corresponding to the second transmission is abandoned according to the transmission attribute information, wherein the attribute information includes at least one of the following: priority information and QoS information;

[0193] The first beam is used to receive signals on the fifth target resource.

[0194] The fifth beam is used to receive data on the fifth target resource, wherein the fifth beam is the beam indicated by beam indication information;

[0195] Reception is performed on the fifth target resource using a sixth beam, wherein the sixth beam is the beam with a larger number of corresponding transmitting terminals and / or a larger number of corresponding transport blocks.

[0196] In one possible implementation, the first beam includes one of the following: a preset beam, or a beam determined autonomously by the receiving terminal.

[0197] In one possible implementation, the preset beam includes one of the following: a beam agreed upon by the protocol, a beam configured by the control node, or a pre-configured beam.

[0198] In one possible implementation, the first rule includes: determining the receiving beam according to a preset reference direction.

[0199] In one possible implementation, the preset reference direction includes one of the following: a reference direction agreed upon by the protocol, a reference direction configured by the control node, or a pre-configured reference direction.

[0200] In one possible implementation, determining the received beam includes at least one of the following:

[0201] Determine the number of the received beams;

[0202] Determine the width of the received beam;

[0203] Determine the radiation mode of the received beam;

[0204] Determine the number of the receiving beam.

[0205] In one possible implementation, the first determining module 701 is further configured to carry first information in the first signaling sent after determining the receiving beam, wherein the first signaling is used to indicate and / or reserve receiving resources, and the first information includes at least one of the following: beam information, location information of the receiving terminal.

[0206] In one possible implementation, the first determining module 701 is further configured to select receiving resources based on monitored second information before determining the receiving beam, wherein the second information includes at least one of the following: location information of the nearby terminal, beam indication information sent by the nearby terminal, and resource occupancy information of the nearby terminal.

[0207] In one possible implementation, the nearby terminal includes a nearby transmitting terminal.

[0208] In one possible implementation, the proximity terminal is determined based on one of the following: location information between terminals, energy measurement results between terminals, and signal quality measurement results between terminals.

[0209] The data receiving device in this application embodiment can be a device, or a component, integrated circuit, or chip in a terminal. The device can be a mobile terminal or a non-mobile terminal. For example, the terminal can include, but is not limited to, the types of terminals 11 or 13 listed above; this application embodiment does not impose specific limitations.

[0210] The data receiving device in this application embodiment can be a device with an operating system. This operating system can be Android, iOS, or other possible operating systems; this application embodiment does not specifically limit the specific operating system.

[0211] The data receiving device provided in this application embodiment can achieve... Figures 2 to 3The various processes implemented by the receiving terminal in the method embodiment achieve the same technical effect, and will not be described again here to avoid repetition.

[0212] It should be noted that the data transmission method provided in this application embodiment can be executed by a data transmission device, or by a control module within the data transmission device for executing the data transmission method. This application embodiment uses the execution of the data transmission method by a data transmission device as an example to illustrate the data transmission device provided in this application embodiment.

[0213] Figure 8 This illustration shows a structural diagram of a data transmission apparatus provided in an embodiment of this application, such as... Figure 8 As shown, the device 800 mainly includes a second determining module 801 and a transmission module 802.

[0214] In this embodiment of the application, the second determining module 801 is used for the transmission beam of the target transmission; the transmission module 802 is used for performing the target transmission on the secondary link using the transmission beam.

[0215] In one possible implementation, the second determining module 801 determines the transmission beam by: determining a transport block (TB) transmission in the form of a resource set; and determining the transmission beam used by the target transmission based on at least one resource set.

[0216] In one possible implementation, the resources in the same resource set are of the same size; and / or the number of resources in one resource set is a predetermined value, which is determined by one of the following: protocol agreement, control node configuration, pre-configuration, or autonomous determination by the sending terminal.

[0217] In one possible implementation, the resources in the resource set appear consecutively in time.

[0218] In one possible implementation, at least some of the resources in the resource pool are configured or pre-configured in the form of a resource set; or, the second determining module 801 selects the resource set as the basic unit for resource selection.

[0219] In one possible implementation, the resources in the resource set appear discontinuously in time.

[0220] In one possible implementation, the second determining module 801 selects the resource set by using a single resource as the basic unit for resource selection.

[0221] In one possible implementation, the transmission beam corresponding to the resource in the resource set includes one of the following: a preset transmission beam, a transmission beam determined autonomously by the transmitting terminal; and / or

[0222] The transmission beam pattern corresponding to the resources in the resource set includes one of the following: a preset transmission beam pattern, or a transmission beam pattern determined autonomously by the transmitting terminal.

[0223] In one possible implementation, the preset transmission beam and / or transmission beam mode is one of the following: protocol-defined, control node-configured, or pre-configured.

[0224] In one possible implementation, the first transmit beam and the second transmit beam have a quasi-co-located relationship, wherein the first transmit beam corresponds to a first resource in a first resource set, and the second transmit beam corresponds to a second resource in a second resource set, and the at least one resource set includes the first resource set and the second resource set.

[0225] In one possible implementation, one of the following is agreed upon in the protocol, configured in the control node, or pre-configured:

[0226] The first resource set and the second resource set;

[0227] The first resource in the first resource set and the second resource in the second resource set.

[0228] In one possible implementation, the transmit beam corresponding to the sixth target resource in the at least one resource set is set independently relative to the transmit beams corresponding to other resources in the at least one resource set, wherein the sixth target resource is a resource occupied by third target information, and the third target information includes at least one of the following: resource reservation signaling, PSCCH, and SCI.

[0229] In one possible implementation, the transmission beam corresponding to the sixth target resource is a first preset beam.

[0230] In one possible implementation, the resource reservation form indicated by the resource reservation signaling includes at least one of the following:

[0231] Reserve resources in the form of resource collections;

[0232] A third resource is reserved, wherein the third resource and the fourth resource occupied by the resource reservation signaling belong to the same resource set;

[0233] A fifth resource is reserved, wherein the fifth resource and the fourth resource occupied by the resource reservation signaling belong to different resource sets;

[0234] The resource reservation form indicated by the resource reservation signaling is determined by one of the following: protocol agreement, control node configuration, or pre-configuration.

[0235] In one possible implementation, the transmission module 802 is further configured to send third beam indication information after determining the transmission beam used by the target transmission, the third beam indication information being used to indicate the transmission beam corresponding to the at least one resource set.

[0236] In one possible implementation, the third beam indication information includes one of the following:

[0237] The first control information associated with information transmission in the third resource set, wherein the first control information indicates the beam pattern used by other resource sets other than the third resource set in the at least one resource set;

[0238] The second control information associated with the information transmission on the sixth resource, wherein the second control information indicates the transmission beam corresponding to the information transmission on the seventh resource, the sixth resource being a resource in the fourth resource set, and the seventh resource being a resource in one of the other resource sets besides the fourth resource set in the at least one resource set;

[0239] The third control information associated with the information transmission on the eighth resource, wherein the third control information indicates the transmission beam corresponding to the ninth resource, the eighth resource and the ninth resource belong to different resources in the fifth resource set, and the fifth resource set is one of the resource sets in the at least one resource set;

[0240] The fourth control information associated with the information transmission on the tenth resource, wherein the fourth control information indicates the transmission beam corresponding to the information transmission on the tenth resource.

[0241] In one possible implementation, the second determining module 801 determines the transmission beam, including:

[0242] Determine to perform a single transport block (TB) transfer as a single resource.

[0243] The transmission beam used by the target transmission is determined based on at least one resource used by the target transmission.

[0244] In one possible implementation, the transmission beam corresponding to the seventh target resource is a second preset beam, wherein the seventh target resource is the resource occupied by the third target information, and the third target information includes at least one of the following: resource reservation signaling, PSCCH, and SCI.

[0245] In one possible implementation, the transmission beam corresponding to the eighth target resource is a third preset beam, wherein the eighth target resource is a resource occupied by data transmission or a resource occupied by PSSCH transmission.

[0246] In one possible implementation, the second preset beam is consistent with the third preset beam, or the second preset beam and the third preset beam have a quasi-co-located relationship.

[0247] In one possible implementation, the transmit beam corresponding to the ninth target resource includes at least one of the following: a fourth preset beam, a beam autonomously determined by the transmitting terminal, and a beam indicated by the receiving terminal, wherein the ninth target resource is a resource occupied by PSCCH or SCI; and / or

[0248] The transmission beam corresponding to the tenth target resource includes at least one of the following: the fifth preset beam, the beam determined autonomously by the transmitting terminal, and the beam indicated by the receiving terminal, wherein the tenth target resource is a PSSCH or a resource occupied by data transmission.

[0249] In one possible implementation, the transmission module 802 is further configured to receive the PSFCH using a target beam, wherein the target beam includes one of the following: the transmit beam of the PSCCH, the transmit beam of the PSSCH, a beam that has a quasi-co-located relationship with the transmit beam of the PSCCH, and a beam that has a quasi-co-located relationship with the transmit beam of the PSSCH.

[0250] In one possible implementation, the transmission module 802 is further configured to send fourth beam indication information after determining the transmission beam used by the target transmission, indicating the transmission beam corresponding to the at least one resource.

[0251] In one possible implementation, the fourth beam indication information includes one of the following:

[0252] The fifth control information associated with the transmission of the first resource, wherein the fifth control information indicates the transmission beam corresponding to the information transmission on the second resource, and the first resource and the second resource are different resources among the at least one resource;

[0253] The sixth control information associated with the information transmission on the third resource, wherein the sixth control information indicates the transmission beam corresponding to the information transmission on the third resource, and the third resource is one of the at least one resources.

[0254] In one possible implementation, determining the transmission beam further includes: determining the transmission beam according to a preset reference direction.

[0255] In one possible implementation, the preset reference direction includes one of the following: a reference direction agreed upon by the protocol, a reference direction configured by the control node, or a pre-configured reference direction.

[0256] In one possible implementation, determining the transmission beam includes at least one of the following:

[0257] Determine the number of the transmitted beams;

[0258] Determine the width of the transmitted beam;

[0259] Determine the radiation mode of the transmitted beam;

[0260] Determine the number of the transmitted beam.

[0261] In one possible implementation, the transmission module 802 is further configured to carry second information in the transmission second signaling after determining the transmission beam, wherein the second signaling is used to indicate and / or reserve reception resources, and the second information includes at least one of the following: beam information, location information of the transmitting terminal.

[0262] In one possible implementation, the second determining module 801 is further configured to select transmission resources based on monitored third information before determining the transmission beam, wherein the third information includes at least one of the following: location information of the nearby terminal, beam indication information transmitted by the nearby terminal, and resource occupancy information of the nearby terminal.

[0263] In one possible implementation, the nearby terminal includes at least one of the following: a nearby transmitting terminal, a nearby receiving terminal.

[0264] In one possible implementation, the proximity terminal is determined based on one of the following: location information between terminals, energy measurement results between terminals, and signal quality measurement results between terminals.

[0265] The data transmission device in this application embodiment can be a device, or a component, integrated circuit, or chip in a terminal. The device can be a mobile terminal or a non-mobile terminal. For example, the terminal can include, but is not limited to, the types of terminals 11 and 13 listed above; this application embodiment does not impose specific limitations.

[0266] The data transmission device in this application embodiment can be a device with an operating system. This operating system can be Android, iOS, or other possible operating systems; this application embodiment does not specifically limit the specific operating system used.

[0267] The data transmission device provided in this application embodiment can achieve... Figures 2 to 3 The various processes implemented by the sending terminal in the method embodiment achieve the same technical effect, and will not be described again here to avoid repetition.

[0268] Optional, such as Figure 9As shown, this application embodiment also provides a communication device 900, including a processor 901, a memory 902, and a program or instructions stored in the memory 902 and executable on the processor 901. For example, when the communication device 900 is a receiving terminal, the program or instructions executed by the processor 901 implement the various processes of the above-described data receiving method embodiment and achieve the same technical effect. When the communication device 900 is a transmitting terminal, the program or instructions executed by the processor 901 implement the various processes of the above-described data transmitting method embodiment and achieve the same technical effect. To avoid repetition, further details are omitted here.

[0269] This application also provides a terminal, including a processor and a communication interface. The processor is used to implement the above-described data receiving method embodiment or the above-described data sending method embodiment, and the communication interface is used to communicate with an external device. This terminal embodiment corresponds to the above-described terminal-side method embodiment, and all implementation processes and methods of the above method embodiments can be applied to this terminal embodiment and achieve the same technical effect. Specifically, Figure 10 A schematic diagram of the hardware structure of a terminal to implement an embodiment of this application.

[0270] The terminal 1000 includes, but is not limited to, the following components: radio frequency unit 1001, network module 1002, audio output unit 1003, input unit 1004, sensor 1005, display unit 1006, user input unit 1007, interface unit 1008, memory 1009, and processor 1010.

[0271] Those skilled in the art will understand that the terminal 1000 may also include a power supply (such as a battery) for supplying power to various components. The power supply may be logically connected to the processor 1010 through a power management system, thereby enabling functions such as managing charging, discharging, and power consumption through the power management system. Figure 10 The terminal structure shown does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown, or combine certain components, or have different component arrangements, which will not be elaborated here.

[0272] It should be understood that, in this embodiment, the input unit 1004 may include a graphics processing unit (GPU) 10041 and a microphone 10042. The GPU 10041 processes image data of still images or videos obtained by an image capture device (such as a camera) in video capture mode or image capture mode. The display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light-emitting diode, or the like. The user input unit 1007 includes a touch panel 10071 and other input devices 10072. The touch panel 10071 is also called a touch screen. The touch panel 10071 may include a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, power buttons, etc.), trackballs, mice, and joysticks, which will not be described in detail here.

[0273] In this embodiment, the radio frequency unit 1001 receives downlink data from the network-side device and processes it for the processor 1010; additionally, it sends uplink data to the network-side device. Typically, the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, etc.

[0274] The memory 1009 can be used to store software programs or instructions and various data. The memory 1009 may primarily include a program or instruction storage area and a data storage area. The program or instruction storage area may store the operating system, application programs or instructions required for at least one function (such as sound playback, image playback, etc.). Furthermore, the memory 1009 may include high-speed random access memory and non-transient memory, wherein the non-transient memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. For example, at least one disk storage device, flash memory device, or other non-transient solid-state storage device.

[0275] Processor 1010 may include one or more processing units; optionally, processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly handles the operating system, user interface, and applications or instructions, and the modem processor mainly handles wireless communication, such as a baseband processor. It is understood that the aforementioned modem processor may also not be integrated into processor 1010.

[0276] The processor 1010 is used to determine the receiving beam according to the first rule; the radio frequency unit 1001 is used to receive the transmission on the sub-link using the receiving beam.

[0277] Alternatively, processor 1010 is configured to determine the transmission beam of the target transmission; radio frequency unit 1001 is configured to use the transmission beam to perform the target transmission on the secondary link.

[0278] This application also provides a readable storage medium storing a program or instructions. When the program or instructions are executed by a processor, they implement the various processes of the above-described data receiving method embodiment or the various processes of the above-described data sending method embodiment, and can achieve the same technical effect. To avoid repetition, they will not be described again here.

[0279] The processor mentioned above is the processor in the terminal described in the above embodiments. The readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk.

[0280] This application embodiment also provides a chip, which includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the various processes of the above-described data receiving method embodiment or the various processes of the above-described data sending method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0281] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0282] This application also provides a computer program / program product, which is stored in a non-transient storage medium. The program / program product is executed by at least one processor to implement the various processes of the above-described data receiving method embodiment or the various processes of the above-described data sending method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0283] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0284] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a computer software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions to cause a terminal (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in the various embodiments of this application.

[0285] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A data receiving method, characterized in that, include: The receiving terminal in the secondary link determines the receiving beam according to the first rule; The receiving terminal uses the receiving beam to receive the transmission on the secondary link; The first rule includes: If the receiving terminal does not support receiving on the fifth target resource using multiple beams, but the receiving terminal is configured to receive on the fifth target resource using multiple beams, the receiving terminal determines the receiving beam according to one of the following: The beam corresponding to the first transmission is preferentially used and / or the beam corresponding to the second transmission is abandoned according to the transmission attribute information, wherein the attribute information includes at least one of the following: priority information and quality of service (QoS) information; The first beam is used to receive signals on the fifth target resource. The fifth beam is used to receive data on the fifth target resource, wherein the fifth beam is the beam indicated by beam indication information; The sixth beam is used to receive data on the fifth target resource, wherein the sixth beam is the beam with more corresponding transmitting terminals and / or more corresponding transport blocks; The first beam includes one of the following: a preset beam, or a beam determined autonomously by the receiving terminal. The beam determined autonomously by the receiving terminal refers to the receiving beam that the receiving terminal determines to use based on its own circumstances.

2. The method according to claim 1, characterized in that, The first rule further includes: determining the second beam used on the second target resource according to the first beam indication information, wherein the second target resource includes the resource occupied by the second target information, wherein the second target information includes at least one of the following: at least some channels other than the preset channel, at least some symbols other than the preset symbols; the preset channel includes: Physical Sublink Control Channel (PSCCH); the preset symbols include: symbols occupied by Sublink Control Information (SCI).

3. The method according to claim 2, characterized in that, The first beam indication information is included in the SCI associated with the second target resource; and / or, The first beam indication information is indicated by the control node and / or the transmitting terminal.

4. The method according to claim 1, characterized in that, All the first beams used for reception on the first target resource are the same beams or beams with quasi-co-location relationships, and the first target resource includes at least one of the following: a preset time domain resource; a preset frequency domain resource; The resources occupied by the first target information, wherein the first target information includes at least one of the following: a preset channel, a preset symbol, and preset information; the preset channel includes: a Physical Sublink Control Channel (PSCCH); the preset symbol includes: a symbol occupied by Sublink Control Information (SCI); and the preset information includes: a Physical Layer Control Information (SCI).

5. The method according to claim 1, characterized in that, The first rule also includes: If no second beam indication information for the target transmission is obtained before the target transmission, the target transmission is received using the first beam; If, before the target transmission is obtained, second beam indication information for the target transmission is obtained, the receiving beam for the target transmission is determined based on the second beam indication information.

6. The method according to claim 5, characterized in that, The second beam indication information is included in the target transmission associated SCI; and / or, The second beam indication information is indicated by the control node and / or the transmitting terminal.

7. The method according to claim 1, characterized in that, Reception is performed using the first beam on a third target resource. The third target resource is configured with one propagation type and / or multiple propagation types. The third target resource includes at least one of the following: a dedicated resource for multicast transmission and a dedicated resource for broadcast transmission.

8. The method according to claim 7, characterized in that, The third target resource is configured or pre-configured by the control node; and / or Reception is performed using a third beam on a fourth target resource, which is configured or pre-configured by the control node and includes dedicated resources for unicast transmission.

9. The method according to claim 1, characterized in that, Reception is performed using a third beam on a fourth target resource, which includes dedicated resources for unicast transmission. The fourth target resource is a resource used for data transmission between terminal pairs negotiated between the receiving terminal and the transmitting terminal.

10. The method according to claim 1, characterized in that, The preset beam includes one of the following: a beam agreed upon by the protocol, a beam configured by the control node, or a pre-configured beam.

11. The method according to claim 1, characterized in that, The first rule also includes: determining the receiving beam according to a preset reference direction.

12. The method according to claim 11, characterized in that, The preset reference direction includes one of the following: the reference direction agreed upon by the protocol, the reference direction configured by the control node, or the pre-configured reference direction.

13. The method according to claim 11, characterized in that, Determining the received beam includes at least one of the following: Determine the number of the received beams; Determine the width of the received beam; Determine the radiation mode of the received beam; Determine the number of the receiving beam.

14. The method according to claim 11, characterized in that, After the receiving terminal determines the receiving beam according to the first rule, the method further includes: The receiving terminal carries first information in the first signaling it sends, wherein the first signaling is used to indicate and / or reserve receiving resources, and the first information includes at least one of the following: beam information and the location information of the receiving terminal.

15. The method according to claim 11, characterized in that, Before the receiving terminal determines the receiving beam according to the first rule, the method further includes: The receiving terminal selects receiving resources based on the monitored second information, wherein the second information includes at least one of the following: location information of nearby terminals, beam indication information sent by nearby terminals, and resource occupancy information of nearby terminals.

16. The method according to claim 15, characterized in that, The nearby terminal includes the nearest transmitting terminal.

17. The method according to claim 15, characterized in that, The proximity terminal is determined based on one of the following: location information between terminals, energy measurement results between terminals, or signal quality measurement results between terminals.

18. A data receiving device, characterized in that, Applied to a receiving terminal, the device includes: The first determining module is used to determine the receiving beam according to the first rule; The receiving module is used to receive transmissions on the secondary link using the receiving beam; The first rule includes: If the receiving terminal does not support receiving on the fifth target resource using multiple beams, but the receiving terminal is configured to receive on the fifth target resource using multiple beams, the receiving terminal determines the receiving beam according to one of the following: The beam corresponding to the first transmission is preferentially used and / or the beam corresponding to the second transmission is abandoned according to the transmission attribute information, wherein the attribute information includes at least one of the following: priority information and quality of service (QoS) information; The first beam is used to receive signals on the fifth target resource. The fifth beam is used to receive data on the fifth target resource, wherein the fifth beam is the beam indicated by beam indication information; The sixth beam is used to receive data on the fifth target resource, wherein the sixth beam is the beam with more corresponding transmitting terminals and / or more corresponding transport blocks; The first beam includes one of the following: a preset beam, or a beam determined autonomously by the receiving terminal. The beam determined autonomously by the receiving terminal refers to the receiving beam that the receiving terminal determines to use based on its own circumstances.

19. A terminal, characterized in that, It includes a processor, a memory, and a program or instructions stored in the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the steps of the data receiving method as described in any one of claims 1 to 17.

20. A readable storage medium, characterized in that, The readable storage medium stores a program or instructions that, when executed by a processor, implement the steps of the data receiving method as described in any one of claims 1 to 17.

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