Indication receiving and sending method, terminal, network equipment and storage medium

Abstract

The invention relates to the technical field of communication, in particular to an indication receiving and sending method, a terminal, network equipment and a storage medium, and the indication receiving method comprises the steps: receiving first indication information sent by a first terminal; and determining, according to the first indication information, a beam required for communication between the network device and a second terminal when the first terminal uses a first beam to perform direct link communication. According to the method and the device, the network equipment can determine the wave beam required to be used for communication between the network equipment and the second terminal when the first terminal uses the first wave beam to perform direct link communication according to the first indication information reported by the first terminal; it is convenient to ensure that the network device can select the beam receiving relatively small interference of the first beam and the second terminal, and the communication quality of communication between the network device and the second terminal is ensured.

Description

Instruction receiving, sending method, terminal, network equipment and storage medium Technical Field

[0001] The present disclosure relates to the field of communication technologies, and in particular to an indication receiving method, an indication sending method, a terminal, a network device, a communication device, and a storage medium. Background Art

[0002] With the development of communication technology, terminals are no longer limited to communicating through network devices in a mobile network (such as a cellular network), but can also communicate directly with other terminals through a sidelink.

[0003] For example, in a scenario where a first terminal communicates with a second terminal via a direct link, the direct link communication between the terminals can be implemented in a beam scanning manner, that is, the first terminal can communicate with the second terminal via a beam. However, in this case, there are still some technical problems that need to be solved.

[0004] Summary of the Invention

[0005] The embodiments of the present disclosure provide an indication receiving and sending method, a terminal, a network device, and a storage medium to solve technical problems in related technologies.

[0006] According to a first aspect of an embodiment of the present disclosure, a method for receiving an indication is proposed, which is executed by a network device. The method includes: receiving first indication information sent by a first terminal; and determining, based on the first indication information, the beam required for the network device to communicate with the second terminal when the first terminal uses a first beam for direct link communication.

[0007] According to a second aspect of an embodiment of the present disclosure, a method for sending an indication is proposed, which is executed by a first terminal. The method includes: sending first indication information to a network device, wherein the first indication information is used by the network device to determine: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0008] According to a third aspect of an embodiment of the present disclosure, a method for sending an indication is proposed, which is indicated by a network device. The method includes: sending second indication information to a first terminal, wherein the second indication information is used by the first terminal to determine the beam to be used when performing direct link communication.

[0009] According to a fourth aspect of an embodiment of the present disclosure, a method for receiving an indication is proposed, which is executed by a first terminal. The method includes: receiving second indication information sent by a network device, wherein the second indication information is used by the first terminal to determine a beam to be used for direct link communication.

[0010] According to the fifth aspect of an embodiment of the present disclosure, a method for sending an indication is proposed, including: a first terminal sends first indication information to a network device; the network device determines, based on the first indication information: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0011] According to a sixth aspect of an embodiment of the present disclosure, a method for sending an indication is proposed, including: a network device sends second indication information to a first terminal; and the first terminal determines a beam to be used for direct link communication based on the second indication information.

[0012] According to the seventh aspect of an embodiment of the present disclosure, a network device is proposed, including: a receiving module, configured to receive first indication information sent by a first terminal; a processing module, configured to determine, based on the first indication information: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0013] According to an eighth aspect of an embodiment of the present disclosure, a terminal is proposed, comprising: a sending module configured to send first indication information to a network device, wherein the first indication information is used by the network device to determine: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0014] According to a ninth aspect of an embodiment of the present disclosure, a network device is proposed, comprising: a sending module configured to send second indication information to a first terminal, wherein the second indication information is used by the first terminal to determine a beam to be used for direct link communication.

[0015] According to the tenth aspect of an embodiment of the present disclosure, a terminal is proposed, comprising: a receiving module configured to receive second indication information sent by a network device, wherein the second indication information is used by the first terminal to determine a beam to be used for direct link communication.

[0016] According to the eleventh aspect of an embodiment of the present disclosure, a network device is proposed, comprising: one or more processors; wherein the network device is used to execute the indication receiving method described in the first aspect, and / or the indication sending method described in the third aspect.

[0017] According to the twelfth aspect of the embodiment of the present disclosure, a terminal is proposed, comprising: one or more processors; wherein the terminal is used to execute the indication sending method described in the second aspect, and / or the indication receiving method described in the fourth aspect.

[0018] According to the thirteenth aspect of an embodiment of the present disclosure, a communication system is proposed, comprising a terminal and a network device, wherein the network device is configured to execute the indication receiving method described in the first aspect and / or the indication sending method described in the third aspect, and the terminal is configured to execute the indication sending method described in the second aspect and / or the indication receiving method described in the fourth aspect.

[0019] According to the fourteenth aspect of an embodiment of the present disclosure, a storage medium is proposed, which stores instructions. When the instructions are executed on a communication device, the communication device executes the indication receiving method described in the first aspect, and / or the indication sending method described in the second aspect, and / or the indication sending method described in the third aspect, and / or the indication receiving method described in the fourth aspect.

[0020] According to an embodiment of the present disclosure, the network device can determine the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication based on the first indication information reported by the first terminal. Accordingly, it is convenient to ensure that the network device can select a beam with relatively less interference from the first beam to communicate with the second terminal, which is beneficial to ensuring the communication quality between the network device and the second terminal.

[0021] According to an embodiment of the present disclosure, when a network device needs to communicate with a second terminal using a beam, it can send second indication information to a first terminal that needs to conduct direct link communication. The second indication information indicates the beam to be used by the first terminal for direct link communication. Accordingly, the first terminal can select the beam to be used for direct link communication based on the second indication information, which helps prevent the beam used by the first terminal for direct link communication from significantly interfering with the communication process of the second terminal of the network device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0023] FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.

[0024] FIG2 is a schematic diagram showing a communication scenario according to an embodiment of the present disclosure.

[0025] FIG3A is an interactive schematic diagram illustrating an indication receiving method according to an embodiment of the present disclosure.

[0026] FIG3B is an interactive schematic diagram illustrating an indication receiving method according to an embodiment of the present disclosure.

[0027] FIG4 is a schematic diagram showing an application scenario of an indication receiving method according to an embodiment of the present disclosure.

[0028] 5A and 5B are schematic diagrams showing application scenarios of an indication receiving method according to an embodiment of the present disclosure.

[0029] FIG6 is a schematic flowchart showing a method for receiving an indication according to an embodiment of the present disclosure.

[0030] FIG7 is a schematic flowchart showing a method for sending an indication according to an embodiment of the present disclosure.

[0031] FIG8 is a schematic flowchart showing a method for sending an indication according to an embodiment of the present disclosure.

[0032] FIG9 is a schematic flowchart showing a method for receiving an indication according to an embodiment of the present disclosure.

[0033] FIG10 is a schematic block diagram showing a network device according to an embodiment of the present disclosure.

[0034] FIG11 is a schematic block diagram of a terminal according to an embodiment of the present disclosure.

[0035] FIG12 is a schematic block diagram showing a network device according to an embodiment of the present disclosure.

[0036] FIG13 is a schematic block diagram of a terminal according to an embodiment of the present disclosure.

[0037] FIG14A is a schematic structural diagram of a communication device proposed in an embodiment of the present disclosure.

[0038] FIG14B is a schematic diagram of the structure of the chip proposed in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0039] The embodiments of the present disclosure provide an indication receiving and sending method, a terminal, a network device, and a storage medium.

[0040] In a first aspect, an embodiment of the present disclosure proposes an indication receiving method, which is executed by a network device, and the method includes: receiving first indication information sent by a first terminal; determining, based on the first indication information: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0041] In the above embodiment, the network device can determine the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication based on the first indication information reported by the first terminal. Accordingly, it is convenient to ensure that the network device can select a beam with relatively less interference from the first beam to communicate with the second terminal, which is conducive to ensuring the communication quality between the network device and the second terminal.

[0042] In combination with some embodiments of the first aspect. In some embodiments, the first indication information is used to indicate at least one of the following: when the first terminal uses the first beam for direct link communication, at least one second beam among the available receiving beams for communication between the network device and the second terminal that is relatively more interfered with by the first beam; when the first terminal uses the first beam for direct link communication, at least one third beam among the available receiving beams for communication between the network device and the second terminal that is relatively less interfered with by the first beam.

[0043] In combination with some embodiments of the first aspect, in some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; and a channel state information reference signal resource identifier.

[0044] In combination with some embodiments of the first aspect, in some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0045] In combination with some embodiments of the first aspect. In some embodiments, the determining, according to the first indication information: when the first terminal uses the first beam for direct link communication, the beam required for the network device to communicate with the second terminal, includes: determining, in a receiving beam other than the at least one second beam: when the first terminal uses the first beam for direct link communication, the beam required for the network device to communicate with the second terminal; wherein the first indication information is used to indicate the at least one second beam.

[0046] In combination with some embodiments of the first aspect. In some embodiments, determining, based on the first indication information, the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication, includes: determining, among the at least one third beam, that the receiving beam least interfered with by the first beam is the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication; wherein the first indication information is used to indicate the at least one third beam.

[0047] In combination with some embodiments of the first aspect, in some embodiments, the method further includes: determining, according to the first indication information, an association relationship between time domain resources for direct link communication by the first terminal and a beam.

[0048] In the second aspect, an embodiment of the present disclosure proposes an indication sending method, which is executed by a first terminal, and the method includes: sending first indication information to a network device, wherein the first indication information is used by the network device to determine: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0049] In the above embodiment, the first terminal sends the first indication information to the network device, so that the network device can determine the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication based on the first indication information. Accordingly, it is convenient to ensure that the network device can select a beam with relatively less interference from the first beam to communicate with the second terminal, which is beneficial to ensuring the communication quality between the network device and the second terminal.

[0050] In combination with some embodiments of the second aspect. In some embodiments, the first indication information is used to indicate at least one of the following: when the first terminal uses the first beam for direct link communication, at least one second beam among the available receiving beams for communication between the network device and the second terminal that is relatively more interfered with by the first beam; when the first terminal uses the first beam for direct link communication, at least one third beam among the available receiving beams for communication between the network device and the second terminal that is relatively less interfered with by the first beam.

[0051] Combined with some embodiments of the second aspect. In some embodiments, the method further includes: measuring the beam of the network device to determine the signal quality corresponding to each beam of the network device when the first terminal uses the first beam to communicate with the network device; determining, based on the signal quality, that each beam of the network device is interfered with by the first beam when the first terminal uses the first beam for direct link communication, wherein the signal quality corresponding to the beam of the network device is positively correlated with the interference of the beam of the network device by the first beam.

[0052] In combination with some embodiments of the second aspect, in some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; and a channel state information reference signal resource identifier.

[0053] In combination with some embodiments of the second aspect, in some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0054] In combination with some embodiments of the second aspect, in some embodiments, the first indication information is further used by the network device to determine: an association relationship between a time domain resource for direct link communication by the first terminal and a beam.

[0055] In a third aspect, an embodiment of the present disclosure proposes a method for sending an indication, which is indicated by a network device, and the method includes: sending second indication information to a first terminal, wherein the second indication information is used by the first terminal to determine the beam to be used for direct link communication.

[0056] In the above embodiment, when a network device needs to use a beam to communicate with a second terminal, it can send second indication information to a first terminal that needs to perform direct link communication, instructing the first terminal via the second indication information on the beam to use for direct link communication. Accordingly, the first terminal can select the beam to use for direct link communication based on the second indication information, which helps prevent the beam used by the first terminal for direct link communication from significantly interfering with the communication process of the second terminal of the network device.

[0057] In conjunction with some embodiments of the third aspect, in some embodiments, the method further includes: receiving first indication information sent by the first terminal, and determining at least one of the following based on the first indication information:

[0058] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0059] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam among the available receiving beams for communication with the second terminal, which is less interfered with by the first beam.

[0060] In combination with some embodiments of the third aspect. In some embodiments, sending the second indication information to the first terminal includes: determining that a beam from the at least one second beam needs to be used to communicate with the second terminal, and sending the second indication information to the first terminal; wherein the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

[0061] In combination with some embodiments of the third aspect. In some embodiments, sending the second indication information to the first terminal further includes: determining that it is necessary to switch from using a beam in the at least one second beam to communicating with the second terminal to using a beam in the at least one third beam, and sending the second indication information to the first terminal; wherein the first terminal indicated by the second indication information releases the disabling of the first beam when performing direct link communication.

[0062] In combination with some embodiments of the third aspect, in some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; and a channel state information reference signal resource identifier.

[0063] In combination with some embodiments of the third aspect, in some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0064] In combination with some embodiments of the third aspect, in some embodiments, the first indication information is further used by the network device to determine: an association relationship between a time domain resource for direct link communication of the first terminal and a beam.

[0065] In a fourth aspect, an embodiment of the present disclosure proposes an indication receiving method, which is executed by a first terminal, and the method includes: receiving second indication information sent by a network device, wherein the second indication information is used by the first terminal to determine the beam to be used for direct link communication.

[0066] In the above embodiment, the first terminal can determine the beam to be used by the first terminal for direct link communication based on the second indication information. Accordingly, the first terminal can select the beam to be used for direct link communication based on the second indication information, which helps prevent the beam used by the first terminal for direct link communication from significantly interfering with the communication process of the second terminal of the network device.

[0067] In combination with some embodiments of the fourth aspect, in some embodiments, the method further includes: sending first indication information to the network device, wherein the first indication information is used by the network device to determine at least one of the following:

[0068] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0069] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam among the available receiving beams for communication with the second terminal, which is less interfered with by the first beam.

[0070] In combination with some embodiments of the fourth aspect, in some embodiments, the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

[0071] In combination with some embodiments of the fourth aspect, in some embodiments, the first terminal indicated by the second indication information releases the disabling of the first beam when performing direct link communication.

[0072] In combination with some embodiments of the fourth aspect, in some embodiments, the first indication information includes at least one of the following: a synchronous broadcast signal block index; and a channel state information reference signal resource identifier.

[0073] In combination with some embodiments of the fourth aspect, in some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0074] In conjunction with some embodiments of the fourth aspect, in some embodiments, the first indication information is further used by the network device to determine: an association relationship between a time domain resource for direct link communication of the first terminal and a beam.

[0075] In the fifth aspect, an embodiment of the present disclosure proposes a method for sending an indication, including: a first terminal sends first indication information to a network device; the network device determines, based on the first indication information: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0076] In a sixth aspect, an embodiment of the present disclosure proposes an indication sending method, including: a network device sends second indication information to a first terminal; and the first terminal determines a beam to be used for direct link communication based on the second indication information.

[0077] In the seventh aspect, an embodiment of the present disclosure proposes a network device, including: a receiving module, configured to receive first indication information sent by a first terminal; a processing module, configured to determine, based on the first indication information: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0078] In the eighth aspect, an embodiment of the present disclosure proposes a terminal, including: a sending module, configured to send first indication information to a network device, wherein the first indication information is used by the network device to determine: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0079] In the ninth aspect, an embodiment of the present disclosure proposes a network device, including: a sending module, configured to send second indication information to a first terminal, wherein the second indication information is used by the first terminal to determine the beam to be used for direct link communication.

[0080] In the tenth aspect, an embodiment of the present disclosure proposes a terminal, comprising: a receiving module, configured to receive second indication information sent by a network device, wherein the second indication information is used by the first terminal to determine the beam to be used for direct link communication.

[0081] In the eleventh aspect, an embodiment of the present disclosure proposes a network device, comprising: one or more processors; wherein the network device is used to execute the indication receiving method described in the first aspect and the optional embodiment of the first aspect, and / or the indication sending method described in the third aspect and the optional embodiment of the third aspect.

[0082] In the twelfth aspect, an embodiment of the present disclosure proposes a terminal, comprising: one or more processors; wherein, the terminal is used to execute the indication sending method described in the second aspect and the optional embodiment of the second aspect, and / or the indication receiving method described in the fourth aspect and the optional embodiment of the fourth aspect.

[0083] In aspect 13, an embodiment of the present disclosure proposes a communication system, comprising a terminal and a network device, wherein the network device is configured to execute the indication receiving method described in the first aspect and the optional embodiment of the first aspect, and / or the indication sending method described in the third aspect and the optional embodiment of the third aspect, and the terminal is configured to execute the indication sending method described in the second aspect and the optional embodiment of the second aspect, and / or the indication receiving method described in the fourth aspect and the optional embodiment of the fourth aspect.

[0084] In the fourteenth aspect, an embodiment of the present disclosure proposes a storage medium, which stores instructions. When the instructions are executed on a communication device, the communication device executes the indication receiving method described in the first aspect and the optional embodiment of the first aspect, and / or the indication sending method described in the second aspect and the optional embodiment of the second aspect, and / or the indication sending method described in the third aspect and the optional embodiment of the third aspect, and / or the indication receiving method described in the fourth aspect and the optional embodiment of the fourth aspect.

[0085] In the fifteenth aspect, an embodiment of the present disclosure proposes a program product. When the above-mentioned program product is executed by a communication device, the above-mentioned communication device executes the indication receiving method described in the first aspect and the optional embodiment of the first aspect, and / or the indication sending method described in the second aspect and the optional embodiment of the second aspect, and / or the indication sending method described in the third aspect and the optional embodiment of the third aspect, and / or the indication receiving method described in the fourth aspect and the optional embodiment of the fourth aspect.

[0086] In the sixteenth aspect, an embodiment of the present disclosure proposes a computer program, which, when running on a computer, enables the computer to execute the indication receiving method described in the first aspect and the optional embodiment of the first aspect, and / or the indication sending method described in the second aspect and the optional embodiment of the second aspect, and / or the indication sending method described in the third aspect and the optional embodiment of the third aspect, and / or the indication receiving method described in the fourth aspect and the optional embodiment of the fourth aspect.

[0087] It is understandable that the above-mentioned terminals, network devices, communication systems, storage media, program products, and computer programs are all used to execute the methods proposed in the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects of the corresponding methods and will not be repeated here.

[0088] The present disclosure provides methods for receiving and sending instructions, terminals, network devices, and storage media. In some embodiments, the terms "instruction receiving method," "instruction sending method," "information processing method," and "communication method" are interchangeable; the terms "terminal," "network device," "information processing device," and "communication device" are interchangeable; and the terms "information processing system" and "communication system" are interchangeable.

[0089] The embodiments of the present disclosure are not exhaustive and are merely illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0090] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.

[0091] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.

[0092] In the embodiments of the present disclosure, unless otherwise specified, elements expressed in the singular form, such as "a", "an", "the", "above", "said", "aforementioned", "this", etc., may mean "one and only one", or "one or more", "at least one", etc.

[0093] For example, when using articles such as “a”, “an”, and “the” in English in translation, the noun following the article can be understood as a singular expression or a plural expression.

[0094] In the embodiments of the present disclosure, “plurality” refers to two or more.

[0095] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.

[0096] In some embodiments, descriptions such as "at least one of A and B," "A and / or B," "A in one case, B in another case," or "in response to one case A, in response to another case B" may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); and in some embodiments, A and B (both A and B are executed). The above is also applicable when there are more branches such as A, B, and C.

[0097] In some embodiments, "A or B" and other descriptions may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The above is also applicable when there are more branches such as A, B, C, etc.

[0098] The prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects and do not constitute any restrictions on the position, order, priority, quantity or content of the description objects. For the statement of the description objects, please refer to the description in the context of the claims or embodiments, and no unnecessary restrictions should be constituted due to the use of prefixes.

[0099] For example, if the description object is "field," the ordinal number preceding "field" in "first field" and "second field" does not restrict the position or order of the "fields." "First" and "second" do not restrict whether the modified "fields" are in the same message, nor do they restrict the order of the "first field" and "second field." For another example, if the description object is "level," the ordinal number preceding "level" in "first level" and "second level" does not restrict the priority of the "levels." For another example, the number of description objects is not restricted by the ordinal number and can be one or more. For example, in the case of "first device," the number of "devices" can be one or more. Furthermore, the objects modified by different prefixes can be the same or different. For example, if the description object is "device," "first device" and "second device" can be the same or different devices, and their types can be the same or different. For another example, if the description object is "information," "first information" and "second information" can be the same or different information, and their content can be the same or different.

[0100] In some embodiments, “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0101] In some embodiments, terms such as "in response to...", "in response to determining...", "in the case of...", "at the time of...", "when...", "if...", "if...", etc. can be used interchangeably.

[0102] In some embodiments, terms such as "greater than", "greater than or equal to", "not less than", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not less than", and "above" can be replaced with each other, and terms such as "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", and "below" can be replaced with each other.

[0103] In some embodiments, devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. Terms such as "device", "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", and "subject" can be used interchangeably.

[0104] In some embodiments, "network" can be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).

[0105] In some embodiments, the terms "access network device (AN device)", "radio access network device (RAN device)", "base station (BS)", "radio base station" "fixed station", "node", "access point", "transmission point (TP)", "reception point (RP)", "transmission / reception point (TRP)", "panel", "antenna panel", "antenna array", "cell", "macro cell", "small cell", "femto cell", "pico cell", "sector", "cell group", "serving cell", "carrier", "component carrier", "bandwidth part (BWP)" and the like may be used interchangeably.

[0106] In some embodiments, the terms "terminal", "terminal device", "user equipment (UE)", "user terminal", "mobile station (MS)", "mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc. can be used interchangeably.

[0107] In some embodiments, the access network device, the core network device, or the network device can be replaced by a terminal. For example, the various embodiments of the present disclosure can also be applied to a structure in which the communication between the access network device, the core network device, or the network device and the terminal is replaced by communication between multiple terminals (for example, device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, it is also possible to set the structure in which the terminal has all or part of the functions of the access network device. In addition, terms such as "uplink" and "downlink" can also be replaced by terms corresponding to communication between terminals (for example, "side"). For example, uplink channels, downlink channels, etc. can be replaced by side channels, and uplinks, downlinks, etc. can be replaced by side links.

[0108] In some embodiments, the terminal may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, the core network device, or the network device may have a structure that has all or part of the functions of the terminal.

[0109] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0110] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0111] In addition, each element, each row, or each column in the table of the embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.

[0112] FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.

[0113] As shown in FIG1 , a communication system 100 includes a terminal 101 (eg, a first terminal) and a network device 102 , wherein the network device includes at least one of the following: an access network device and a core network device.

[0114] In some embodiments, the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited thereto.

[0115] In some embodiments, the access network device is, for example, a node or device that accesses a terminal to a wireless network. The access network device may include an evolved NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved nodeB (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.

[0116] In some embodiments, a core network device may be a device including one or more network elements, or may be multiple devices or device groups, each including all or part of the one or more network elements. The network element may be virtual or physical. The core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC).

[0117] In some embodiments, the technical solution of the present disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can be transformed into internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.

[0118] In some embodiments, the access network device can be composed of a centralized unit (CU) and a distributed unit (DU), where the CU can also be called a control unit. The CU-DU structure can be used to split the protocol layer of the access network device, with the functions of some protocol layers centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.

[0119] It can be understood that the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure. Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.

[0120] The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or a portion thereof, but are not limited thereto. The entities shown in FIG1 are illustrative only. The communication system may include all or part of the entities shown in FIG1 , or may include other entities outside of FIG1 . The number and form of the entities are arbitrary, and the entities may be physical or virtual. The connection relationships between the entities are illustrative only. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.

[0121] The embodiments of the present disclosure can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), future radio access (FRA), new radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X), systems utilizing other communication methods, and next-generation systems based on and extending these methods. Furthermore, multiple systems may be combined (for example, a combination of LTE or LTE-A with 5G).

[0122] In some embodiments, in an environment where a first terminal performs sidelink communication via a beam, a network device may also communicate with a second terminal via a beam. In this case, the beam used by the first terminal may affect the communication between the network device and the second terminal.

[0123] FIG2 is a schematic diagram showing a communication scenario according to an embodiment of the present disclosure.

[0124] As shown in Figure 2, the first terminal UE#1 communicates with the third terminal UE#3 via a direct link, and the network device (e.g., gNB) communicates with the second terminal UE#2 (e.g., through the Uu port).

[0125] UE#1 can communicate directly with UE#3 via beams. For example, UE#1 can send information to UE#3 via beam beam#1. The gNB can receive information sent by UE#2 via beam b#1.

[0126] In this case, beam#1 of UE#1 can cause strong interference to b#1 of gNB. For example, in a scenario where UE#1 and gNB communicate via beams, UE#1 can use two beams, beam#1 and beam#2, to communicate with the gNB, and the gNB can use four beams, b#1, b#2, b#3, and b#4, to communicate with UE#1. UE#1 can measure these four beams to determine the beam with the best signal quality for beam#1, such as b#1, and the beam with the best signal quality for beam#2, such as b#2.

[0127] That is, when UE#1 communicates with the gNB using beam#1, the communication quality is best when the gNB uses beam#1. Correspondingly, when the gNB uses beam#1 to communicate with UE#1, the signal quality received from UE#1 using beam#1 is best.

[0128] However, when UE#1 is using beam#1 to send information and the gNB is using beam#1 to receive information, but UE#1 is not communicating with the gNB, but is using beam#1 to send information to UE#3 and the gNB is using beam#1 to receive information sent by UE#2, then beam#1 of UE#1 will cause relatively large interference to b#1 of the gNB, thereby affecting the communication quality between the gNB and UE#2.

[0129] FIG3A is an interactive schematic diagram illustrating an indication receiving method according to an embodiment of the present disclosure.

[0130] As shown in FIG3A , the indication receiving method may include the following steps:

[0131] In step S301, a first terminal sends first indication information to a network device.

[0132] In some embodiments, the network device receives first indication information sent by the first terminal.

[0133] In some embodiments, the first indication information is used to indicate at least one of the following:

[0134] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0135] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam in the available receiving beams for communication with the second terminal, which beam is less interfered with by the first beam.

[0136] In some embodiments, the first terminal may measure the beam of the network device when using the first beam to determine the communication quality of each beam used by the network device to communicate with the first terminal when the first terminal uses the first beam. The first terminal may generate first indication information based on the measurement result and send the first indication information to the network device.

[0137] For example, the network device can use n beams to communicate with the first terminal. When using the first beam beam#1, the first terminal can measure the n beams of the network device to obtain n measurement results corresponding to the n beams. The first terminal can report the measurement results to the network device. Based on this, the network device can determine the communication quality ranking corresponding to each of the n beams used by the network device when the first terminal uses beam#1 to communicate. For example, the beam with the best communication quality among the n beams is the i-th beam, where i and n are positive integers and i is less than or equal to n.

[0138] Correspondingly, when the first terminal uses beam#1 to communicate with the third terminal via a direct link, and the network device uses a beam to communicate with the second terminal, among the n beams used by the network device, the beam with a relatively high communication quality ranking (that is, relatively good communication quality) is relatively more interfered with by beam#1.

[0139] In some embodiments, the beam of the network device may carry at least one of the following:

[0140] Synchronization signal and Physical downlink broadcast channel block (SSB), Channel State Information Reference Signal (CSI-RS)

[0141] For example, the first terminal may measure the SSB in each beam and rank the communication quality corresponding to each of the n beams used by the network device when the first terminal communicates using beam #1. For example, the first terminal may measure the CSI-RS in each beam and rank the communication quality corresponding to each of the n beams used by the network device when the first terminal communicates using beam #1.

[0142] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0143] For example, the first indication information may include a synchronized broadcast signal block index (SSB index), or the first indication information may include a channel state information reference signal identifier (CSI-RS resource ID). Since the SSB index and the CSI-RS resource ID can be associated with a beam, the network device can determine, based on the first indication information, the communication quality corresponding to each of the n beams used by the network device when the first terminal uses beam#1. Correspondingly, it can also determine the order in which each of the n beams used by the network device receives interference from beam#1 when the first terminal uses beam#1 for direct link communication.

[0144] For example, if n = 5, the network device can use five beams to communicate with the second terminal: beams b#1, b#2, b#3, b#4, and b#5. Based on the measurement results, the network device can determine that when the first terminal communicates with the network device using beam#1, the communication quality of the beams used by the network device, from high to low, is b#2, b#1, b#3, b#4, and b#5. Furthermore, the network device can determine that when the terminal uses beam#1 for direct link communication, the interference from beam#1 among the five beams, from high to low, is b#2, b#1, b#3, b#4, and b#5.

[0145] In some embodiments, the at least one second beam with relatively greater interference may be a beam among the n beams whose corresponding communication quality is greater than a first quality threshold; and the at least one third beam with relatively less interference may be a beam among the n beams whose corresponding communication quality is less than a second quality threshold. The first quality threshold is greater than or equal to the second quality threshold.

[0146] In some embodiments, the at least one second beam with relatively large interference may be a beam among the n beams whose corresponding interference (for example, which may be determined based on the communication quality corresponding to the beam and is positively correlated with the communication quality corresponding to the beam) is greater than a first interference threshold; and the at least one third beam with relatively small interference may be a beam among the n beams whose corresponding interference is less than a second interference threshold. The first interference threshold is greater than or equal to the second interference threshold.

[0147] In some embodiments, at least one second beam with relatively large interference may be a beam that is relatively ranked higher (for example, ranked in the top L positions) in terms of interference received by the first beam among the n beams; at least one third beam with relatively small interference may be a beam that is relatively ranked lower (for example, ranked in the bottom L positions) in terms of interference received by the first beam among the n beams.

[0148] In some embodiments, to save overhead, when reporting measurement results, the first terminal need not report all n measurement results to the network device, but only needs to report L of the n measurement results. L may be configured by the network device or determined based on a protocol agreement, and this disclosure does not limit this.

[0149] For example, the first terminal may report L measurement results with the worst communication quality among n measurement results.

[0150] Still taking the five beams in the above embodiment as an example, for example, L=2, the first indication information includes the CSI-RS resource ID.

[0151] For example, the first terminal can report L measurement results with the best communication quality among n measurement results, then the measurement results corresponding to b#2 and b#1 can be sent to the network device. For example, the CSI-RS resource ID associated with b#2 is CSI-RS resource#2, and the CSI-RS resource ID associated with b#1 is CSI-RS resource#1. The first terminal can carry CSI-RS resource#2 and CSI-RS resource#1 in the first indication information and send it to the network device.

[0152] For example, the first terminal can report L measurement results with the worst communication quality among n measurement results, then the measurement results corresponding to b#4 and b#5 can be sent to the network device. For example, the CSI-RS resource ID associated with b#4 is CSI-RS resource#4, and the CSI-RS resource ID associated with b#5 is CSI-RS resource#5. The first terminal can carry CSI-RS resource#4 and CSI-RS resource#5 in the first indication information and send it to the network device.

[0153] For example, L CSI-RS resource#IDs can be located at a specific position in the first indication information so that the network device can determine the communication quality ranking of the beam corresponding to each CSI-RS resource#ID in the L CSI-RS resource#IDs. For example, the determined ranking can be sorted in ascending order of communication quality, or can be sorted in descending order of communication quality.

[0154] It should be noted that the first indication information may also indicate the beam used by the first terminal for direct link communication, such as the first beam mentioned above.

[0155] In step S302, the network determines, based on the first indication information, a beam that the network device needs to use to communicate with the second terminal when the first terminal uses the first beam for direct link communication.

[0156] According to an embodiment of the present disclosure, the network device can determine the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication based on the first indication information reported by the first terminal. Accordingly, it is convenient to ensure that the network device can select a beam with relatively less interference from the first beam to communicate with the second terminal, which is beneficial to ensuring the communication quality between the network device and the second terminal.

[0157] The following uses several embodiments to exemplify the beams required for communication between the network device and the second terminal when the network device uses the first beam for direct link communication at the first terminal according to the first indication information.

[0158] In some embodiments, the first indication information is used to indicate at least one second beam, and the network device can determine in the receiving beam other than the at least one second beam: when the first terminal uses the first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0159] For example, the first indication information may indicate at least one second beam among the available receiving beams for communication between the network device and the second terminal that is relatively significantly interfered with by the first beam when the first terminal uses the first beam for direct link communication.

[0160] Taking n=5 and L=2 as an example, at least one second beam can be b#2 or b#1. That is, when the first terminal uses beam#1 for direct link communication, the network device uses b#2 or b#1 to communicate with the second terminal. This will result in relatively large interference from beam#1. Therefore, the network device can select a beam other than the first beam, for example, determining a beam from beams b#3, b#4, and b#5 for communication with the second terminal. Because beams from beam#1 are less susceptible to interference from beam#1, the network device uses beams from beam#3, b#4, and b#5 to communicate with the second terminal, which helps reduce interference from beam#1 and ensures good communication quality with the second terminal.

[0161] In some embodiments, the first indication information is used to indicate at least one third beam, and the network device can determine that the receiving beam that is least interfered with by the first beam in the at least one third beam is: the beam required for the network device to communicate with the second terminal when the first terminal uses the first beam for direct link communication.

[0162] For example, the first indication information may indicate that when the first terminal uses the first beam for direct link communication, the network device may indicate at least one third beam among the available receiving beams for communication with the second terminal, which is relatively less interfered with by the first beam.

[0163] Taking n=5 and L=2 as an example, at least one third beam can be b#4 or b#5. That is, when the first terminal uses beam#1 for direct link communication, the network device uses b#4 or b#5 to communicate with the second terminal. Interference from beam#1 is relatively small. Therefore, the network device can select a beam from the at least one second beam, for example, determining one of beams b#4 and b#5 for communication with the second terminal. Because beams b#4 and b#5 are less susceptible to interference from beam#1, the network device uses either beam b#4 or b#5 to communicate with the second terminal, which helps reduce interference from beam#1 and ensures good communication quality with the second terminal.

[0164] In some embodiments, the network device may also determine, based on the first indication information, an association between time domain resources and a beam for direct link communication by the first terminal.

[0165] In some embodiments, the direct link communication resources of the first terminal may include time domain resources and / or frequency domain resources. The direct link communication resources may be included in a resource pool, and the network device may configure one or more resource pools for the first terminal on the bandwidth part (Bandwidth Part, BWP). The resource pool may be periodic in the time domain, and the specific period may be determined based on the parameter periodResourcePool, and a period may include one or more time slots. The time slots belonging to the resource pool in the period may be determined based on the parameter timeResourcePool. For example, timeResourcePool may indicate the time slots belonging to the resource pool in the period in a bitmap manner, and in the time slots belonging to the resource pool, one or more symbols may be included for direct link communication.

[0166] In some embodiments, the beam used by the first terminal for direct link communication may be associated with time domain resources, where the time domain resources include at least one of the following: a resource pool and a time slot.

[0167] For example, taking the time domain resources including time slots as an example, beam#1 of the first terminal is associated with slot#1, and beam#2 of the first terminal is associated with slot#2. The network device may determine, based on the first indication information, that beam#1 of the first terminal is associated with slot#1, and beam#2 of the first terminal is associated with slot#2.

[0168] Accordingly, the network device can appropriately adjust the beam used for communication with the second terminal according to the time domain resources associated with the beam used by the first terminal for direct link communication.

[0169] For example, in the above embodiment, a terminal uses beam#1 for direct link communication with a third terminal. Since beam#1 is associated with slot#1, the network device can determine that the first terminal uses beam#1 for direct link communication in slot#1. Therefore, when the network device communicates with the second terminal in slot#1, it can choose to use beam#3, b#4, or b#5 to communicate with the second terminal. When communicating with the second terminal in slot#2, if it is determined that the first terminal uses beam#2 for direct link communication with the third terminal, since beam#2 is associated with slot#2, the network device can switch to using a beam that is relatively less affected by beam#2 to communicate with the second terminal.

[0170] FIG4 is a schematic diagram of an application scenario of an indication receiving method according to an embodiment of the present disclosure.

[0171] As shown in Figure 4, the network device gNB can communicate with the first terminal using five beams: b#1, b#2, b#3, b#4, and b#5. The first terminal can communicate using two beams: beam#1 and beam#2.

[0172] For example, for beam#1, the first terminal can measure the five beams of the network device separately when using beam#1 to determine the communication quality corresponding to each beam. For example, the communication quality corresponding to the five beams is ranked from high to low as b#2, b#1, b#3, b#4, and b#5.

[0173] The first terminal can report to the network device the two measurement results with the best communication quality among the five measurement results, that is, the measurement results corresponding to b#2 and b#1, wherein the measurement result corresponding to b#2 can be determined by measuring CSI-RS on CSI-RS resource#2, and the measurement result corresponding to b#1 can be determined by measuring CSI-RS on CSI-RS resource#1. The first terminal can characterize the measurement results corresponding to b#2 and b#1 by reporting two CSI-RS resource IDs: CSI-RS resource#1 and CSI-RS resource#2.

[0174] For example, the measurement result can be carried in the first indication information and sent to the network device. Based on the first indication information, the network device can determine that the beams that are relatively interfered with by beam#1 of the first terminal are b#2 and b#1. Then, when the first terminal uses beam#1 for direct link communication, the network device can avoid using b#2 and b#1 to communicate with the second terminal. For example, it can select a beam from b#3, b#4, and b#5 for communication with the second terminal, which is conducive to ensuring the communication quality with the second terminal.

[0175] The communication method involved in the embodiments of the present disclosure may include at least one of steps S301 and S302. For example, step S301 may be implemented as an independent embodiment, step S302 may be implemented as an independent embodiment, and steps S301+S302 may be implemented as independent embodiments, but are not limited thereto.

[0176] In some embodiments, steps S301 and S302 may be executed in an interchangeable order or simultaneously.

[0177] In some embodiments, step S301 is optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0178] In some embodiments, step S302 is optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0179] FIG3B is an interactive schematic diagram illustrating an indication receiving method according to an embodiment of the present disclosure.

[0180] As shown in FIG3B , the indication receiving method may include the following steps:

[0181] In step S303, the first terminal sends first indication information to the network device.

[0182] In some embodiments, the network device receives first indication information sent by the first terminal.

[0183] In some embodiments, the first indication information is used to indicate at least one of the following:

[0184] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0185] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam in the available receiving beams for communication with the second terminal, which beam is less interfered with by the first beam.

[0186] In some embodiments, the first terminal may measure the beam of the network device when using the first beam to determine the communication quality of each beam used by the network device to communicate with the first terminal when the first terminal uses the first beam. The first terminal may generate first indication information based on the measurement result and send the first indication information to the network device.

[0187] For example, the network device can use n beams to communicate with the first terminal. When using the first beam beam#1, the first terminal can measure the n beams of the network device to obtain n measurement results corresponding to the n beams. The first terminal can report the measurement results to the network device. Based on this, the network device can determine the communication quality ranking corresponding to each of the n beams used by the network device when the first terminal uses beam#1 to communicate. For example, the beam with the best communication quality among the n beams is the i-th beam, where i and n are positive integers and i is less than or equal to n.

[0188] Correspondingly, when the first terminal uses beam#1 to communicate with the third terminal via a direct link, and the network device uses a beam to communicate with the second terminal, among the n beams used by the network device, the beam with a relatively high communication quality ranking (that is, relatively good communication quality) is relatively more interfered with by beam#1.

[0189] In some embodiments, the beam of the network device may carry at least one of the following:

[0190] Synchronization signal and Physical downlink broadcast channel block (SSB), Channel State Information Reference Signal (CSI-RS)

[0191] For example, the first terminal may measure the SSB in each beam and rank the communication quality corresponding to each of the n beams used by the network device when the first terminal communicates using beam #1. For example, the first terminal may measure the CSI-RS in each beam and rank the communication quality corresponding to each of the n beams used by the network device when the first terminal communicates using beam #1.

[0192] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0193] For example, the first indication information may include a synchronized broadcast signal block index (SSB index), or the first indication information may include a channel state information reference signal identifier (CSI-RS resource ID). Since the SSB index and the CSI-RS resource ID can be associated with a beam, the network device can determine, based on the first indication information, the communication quality corresponding to each of the n beams used by the network device when the first terminal uses beam#1. Correspondingly, it can also determine the order in which each of the n beams used by the network device receives interference from beam#1 when the first terminal uses beam#1 for direct link communication.

[0194] For example, if n = 5, the network device can use five beams to communicate with the second terminal: beams b#1, b#2, b#3, b#4, and b#5. Based on the measurement results, the network device can determine that when the first terminal communicates with the network device using beam#1, the communication quality of the beams used by the network device, from high to low, is b#2, b#1, b#3, b#4, and b#5. Furthermore, the network device can determine that when the terminal uses beam#1 for direct link communication, the interference from beam#1 among the five beams, from high to low, is b#2, b#1, b#3, b#4, and b#5.

[0195] In some embodiments, the at least one second beam with relatively greater interference may be a beam among the n beams whose corresponding communication quality is greater than a first quality threshold; and the at least one second beam with relatively less interference may be a beam among the n beams whose corresponding communication quality is less than a second quality threshold. The first quality threshold is greater than or equal to the second quality threshold.

[0196] In some embodiments, the at least one second beam with relatively large interference may be a beam among the n beams whose corresponding interference (for example, which may be determined based on the communication quality corresponding to the beam and is positively correlated with the communication quality corresponding to the beam) is greater than a first interference threshold; and the at least one second beam with relatively small interference may be a beam among the n beams whose corresponding interference is less than a second interference threshold. The first interference threshold is greater than or equal to the second interference threshold.

[0197] In some embodiments, at least one second beam with relatively large interference may be a beam that is relatively ranked higher (for example, ranked in the top L positions) in terms of interference received by the first beam among the n beams; at least one third beam with relatively small interference may be a beam that is relatively ranked lower (for example, ranked in the bottom L positions) in terms of interference received by the first beam among the n beams.

[0198] In some embodiments, to save overhead, when reporting measurement results, the first terminal need not report all n measurement results to the network device, but only needs to report L of the n measurement results. L may be configured by the network device or determined based on a protocol agreement, and this disclosure does not limit this.

[0199] For example, the first terminal may report L measurement results with the worst communication quality among n measurement results.

[0200] Still taking the five beams in the above embodiment as an example, for example, L=2, the first indication information includes the CSI-RS resource ID.

[0201] For example, the first terminal can report L measurement results with the best communication quality among n measurement results, then the measurement results corresponding to b#2 and b#1 can be sent to the network device. For example, the CSI-RS resource ID associated with b#2 is CSI-RS resource#2, and the CSI-RS resource ID associated with b#1 is CSI-RS resource#1. The first terminal can carry CSI-RS resource#2 and CSI-RS resource#1 in the first indication information and send it to the network device.

[0202] For example, the first terminal can report L measurement results with the worst communication quality among n measurement results, then the measurement results corresponding to b#4 and b#5 can be sent to the network device. For example, the CSI-RS resource ID associated with b#4 is CSI-RS resource#4, and the CSI-RS resource ID associated with b#5 is CSI-RS resource#5. The first terminal can carry CSI-RS resource#4 and CSI-RS resource#5 in the first indication information and send it to the network device.

[0203] For example, L CSI-RS resource#IDs can be located at a specific position in the first indication information so that the network device can determine the communication quality ranking of the beam corresponding to each CSI-RS resource#ID in the L CSI-RS resource#IDs. For example, the determined ranking can be sorted in ascending order of communication quality, or can be sorted in descending order of communication quality.

[0204] It should be noted that the first indication information may also indicate the beam used by the first terminal for direct link communication, such as the first beam mentioned above.

[0205] In step S304, the network device sends second indication information to the first terminal, where the second indication information is used by the first terminal to determine a beam to be used for direct link communication.

[0206] According to an embodiment of the present disclosure, when a network device needs to communicate with a second terminal using a beam, it can send second indication information to a first terminal that needs to conduct direct link communication. The second indication information indicates the beam to be used by the first terminal for direct link communication. Accordingly, the first terminal can select the beam to be used for direct link communication based on the second indication information, which helps prevent the beam used by the first terminal for direct link communication from significantly interfering with the communication process of the second terminal of the network device.

[0207] In some embodiments, the network device determines that it is necessary to use a beam in at least one second beam to communicate with the second terminal, and sends second indication information to the first terminal; wherein the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

[0208] The network device can first determine the beam required to communicate with the second terminal. Since the network device can determine, based on the first indication information reported by the first terminal, that the use of the first beam by the first terminal for a direct link will cause relatively large interference to the second beam of the network device, if the network device needs to use the second beam to communicate with the second terminal, the network device can prohibit the first terminal from using the first beam for direct link communication through the second indication information, so as to avoid the direct link communication of the first terminal causing excessive interference to the communication between the network device and the second terminal, which is conducive to ensuring good communication quality between the network device and the second terminal.

[0209] Among them, after receiving the second indication information, if the first terminal determines that the first beam needs to be disabled, it can choose to use a beam other than the first beam to communicate with the third terminal via a direct link, or, if there is no other available beam other than the first beam, it can suspend direct link communication with the third terminal until the subsequent network device lifts the disablement of the first beam.

[0210] In some embodiments, it is determined that it is necessary to switch from using a beam in at least one second beam to communicating with the second terminal to using a beam in at least one third beam, and second indication information is sent to the first terminal; wherein the first terminal indicated by the second indication information releases the disabling of the first beam when performing direct link communication.

[0211] The network device does not always use the same beam to communicate with the terminal. When the network device switches from using the second beam to communicate with the second terminal to using the third beam to communicate with the second terminal, since the third beam is relatively less interfered with by the first beam, the network device can instruct the first terminal to lift the disablement of the first beam through the second indication information, so that the first terminal can use the first beam for direct link communication.

[0212] In some embodiments, the network device may send second indication information to the first terminal before using a beam to communicate with the second terminal. For example, if the network device determines to use the second beam to communicate with the second terminal from slot #n to slot #n+10, the network device may send the second indication information to the first terminal before slot #n to instruct the first terminal to prohibit using the first beam for direct link communication.

[0213] In a further embodiment, the second indication information sent by the network device to the first terminal may have an indication granularity related to time domain resources, wherein the time domain resources include at least one of the following: a resource pool, a time slot.

[0214] For example, taking the time domain resources including time slots as an example, the second indication information sent by the network device to the first terminal can instruct the first terminal to prohibit the use of the first beam for direct link communication in slot#n to slot#n+10.

[0215] In some embodiments, the network device may also determine, based on the first indication information, an association between time domain resources and a beam for direct link communication by the first terminal.

[0216] In some embodiments, the direct link communication resources of the first terminal may include time domain resources and / or frequency domain resources. The direct link communication resources may be included in a resource pool, and the network device may configure one or more resource pools for the first terminal on the bandwidth part (BWP). The resource pool may be periodic in the time domain, and the specific period may be determined based on the parameter periodResourcePool, and a period may include one or more time slots. The time slots belonging to the resource pool in the period may be determined based on the parameter timeResourcePool. For example, timeResourcePool may indicate the time slots belonging to the resource pool in the period in a bitmap manner, and the time slots belonging to the resource pool may include one or more symbols for direct link communication.

[0217] In some embodiments, the beam used by the first terminal for direct link communication may be associated with time domain resources, where the time domain resources include at least one of the following: a resource pool and a time slot.

[0218] For example, taking the time domain resources including time slots as an example, beam#1 of the first terminal is associated with slot#1, and beam#2 of the first terminal is associated with slot#2. The network device may determine, based on the first indication information, that beam#1 of the first terminal is associated with slot#1, and beam#2 of the first terminal is associated with slot#2.

[0219] Accordingly, the network device can appropriately adjust the beam used by the first terminal for direct link communication according to the time domain resources associated with the beam used by the first terminal for direct link communication.

[0220] For example, in the above embodiment, since beam#1 is associated with slot#1 and beam#2 is associated with slot#2, the network device can determine that the first terminal uses beam#1 for direct link communication in slot#1, and determines that the first terminal uses beam#2 for direct link communication in slot#2.

[0221] When the network device communicates with the second terminal in slot #1, if b#1 or b#2 is used to communicate with the second terminal, since b#1 and b#2 are relatively significantly interfered with by beam#1, the first terminal can be instructed to adjust the beam used for direct link communication. The terminal can adjust to use beam#2 for direct link communication in slot #1.

[0222] When the network device communicates with the second terminal in slot #2, if b#1 or b#2 is used to communicate with the second terminal, since b#1 and b#2 are relatively less interfered with by beam#2, there is no need to instruct the first terminal to adjust the beam used for direct link communication. The terminal can continue to use beam#2 for direct link communication in slot #2.

[0223] 5A and 5B are schematic diagrams showing application scenarios of an indication receiving method according to an embodiment of the present disclosure.

[0224] As shown in Figure 5A, the network device gNB can communicate with the first terminal using five beams: b#1, b#2, b#3, b#4, and b#5. The first terminal can communicate using two beams: beam#1 and beam#2.

[0225] For example, for beam#1, the first terminal can measure the five beams of the network device separately when using beam#1 to determine the communication quality corresponding to each beam. For example, the communication quality corresponding to the five beams is ranked from high to low as b#2, b#1, b#3, b#4, and b#5.

[0226] The first terminal can report to the network device the two measurement results with the best communication quality among the five measurement results, that is, the measurement results corresponding to b#2 and b#1, wherein the measurement result corresponding to b#2 can be determined by measuring CSI-RS on CSI-RS resource#2, and the measurement result corresponding to b#1 can be determined by measuring CSI-RS on CSI-RS resource#1. The first terminal can characterize the measurement results corresponding to b#2 and b#1 by reporting two CSI-RS resource IDs: CSI-RS resource#1 and CSI-RS resource#2.

[0227] For example, the measurement result can be carried in the first indication information and sent to the network device. Based on the first indication information, the network device can determine that the beams that are relatively interfered with by the first terminal's beam#1 are b#2 and b#1. Then, when the network device needs to use b#2 or b#1 to communicate with the second terminal, it can send a second indication information to the first terminal, instructing the first terminal to prohibit the use of beam#1 for direct link communication through the second indication information, and the first terminal can use beam#2 for direct link communication. This is conducive to preventing the beam used by the first terminal from causing excessive interference to the communication between the network device and the second terminal, thereby ensuring the communication quality with the second terminal.

[0228] As shown in Figure 5B, when the network device needs to switch from using b#2 to communicate with the second terminal to using b#5 to communicate with the second terminal, since the network device can determine based on the first indication information that b#5 is relatively less interfered with by beam#1, it can instruct the first terminal to lift the ban on beam#1 through the second indication information, so that the first terminal can resume using beam#1 for direct link communication.

[0229] The communication method involved in the embodiment of the present disclosure may include at least one of steps S303 to S304. For example, step S303 may be implemented as an independent embodiment, step S304 may be implemented as an independent embodiment, and steps S303+S304 may be implemented as independent embodiments, but are not limited thereto.

[0230] In some embodiments, steps S303 and S304 may be executed in an interchanged order or simultaneously.

[0231] In some embodiments, step S303 is optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0232] In some embodiments, step S304 is optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0233] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 3A and FIG. 3B .

[0234] In a first aspect, an embodiment of the present disclosure provides an indication receiving method. Figure 6 is a schematic flow chart illustrating an indication receiving method according to an embodiment of the present disclosure. The indication receiving method illustrated in this embodiment can be executed by a network device.

[0235] As shown in FIG6 , the indication receiving method may include the following steps:

[0236] In step S601, first indication information sent by a first terminal is received;

[0237] In step S602, it is determined according to the first indication information: when the first terminal uses the first beam to perform direct link communication, the beam required to be used by the network device to communicate with the second terminal.

[0238] It should be noted that the embodiment shown in FIG. 6 can be implemented independently or in combination with at least one other embodiment in the present disclosure. The specific selection can be made as needed and the present disclosure does not limit it.

[0239] In some embodiments, the first indication information is used to indicate at least one of the following:

[0240] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0241] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam in the available receiving beams for communication with the second terminal, which beam is less interfered with by the first beam.

[0242] In some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; a channel state information reference signal resource identifier.

[0243] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0244] In some embodiments, determining, based on first indication information, the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication, includes: determining, in a receiving beam other than at least one second beam, the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication; wherein the first indication information is used to indicate at least one second beam.

[0245] In some embodiments, determining, based on first indication information, the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication includes: determining, in at least one third beam, the receiving beam that is least interfered with by the first beam as the beam required for communication between the network device and the second terminal when the first terminal uses the first beam for direct link communication; wherein the first indication information is used to indicate at least one third beam.

[0246] In some embodiments, the indication reception further includes: determining, based on the first indication information, an association relationship between time domain resources and a beam for direct link communication performed by the first terminal.

[0247] For the first aspect and the optional implementation of the optional embodiment of the first aspect, please refer to the optional implementation in the embodiment shown in FIG3A and other related parts in the embodiment involved in FIG3A , which will not be repeated here.

[0248] In a second aspect, an embodiment of the present disclosure provides an indication sending method. Figure 7 is a schematic flow chart illustrating an indication sending method according to an embodiment of the present disclosure. The indication receiving method illustrated in this embodiment may be executed by a first terminal.

[0249] As shown in FIG7 , the instruction sending method may include the following steps:

[0250] In step S701, first indication information is sent to a network device, where the first indication information is used by the network device to determine: when the first terminal uses the first beam for direct link communication, the beam required to be used by the network device to communicate with the second terminal.

[0251] In some embodiments, the first indication information is used to indicate at least one of the following:

[0252] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0253] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam in the available receiving beams for communication with the second terminal, which beam is less interfered with by the first beam.

[0254] In some embodiments, the indication sending method also includes: measuring the beam of the network device to determine the signal quality corresponding to each beam of the network device when the first terminal uses the first beam to communicate with the network device; determining based on the signal quality that when the first terminal uses the first beam for direct link communication, each beam of the network device is interfered with by the first beam, wherein the signal quality corresponding to the beam of the network device is positively correlated with the interference of the beam of the network device by the first beam.

[0255] In some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; a channel state information reference signal resource identifier.

[0256] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0257] In some embodiments, the first indication information is also used by the network device to determine: an association relationship between the time domain resources for the first terminal to perform direct link communication and the beam.

[0258] The second aspect and the optional implementation of the optional embodiment of the second aspect can be referred to the optional implementation in the embodiment shown in Figure 3A and other related parts in the embodiment involved in Figure 3A, which will not be repeated here.

[0259] In a third aspect, an embodiment of the present disclosure proposes an indication sending method. Figure 8 is a schematic flow chart illustrating an indication sending method according to an embodiment of the present disclosure. The indication sending method illustrated in this embodiment can be executed by a network device.

[0260] As shown in FIG8 , the instruction sending method may include the following steps:

[0261] In step S801, second indication information is sent to a first terminal, where the second indication information is used by the first terminal to determine a beam to be used for direct link communication.

[0262] In some embodiments, the indication sending method further includes: receiving first indication information sent by the first terminal, and determining at least one of the following based on the first indication information:

[0263] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0264] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam in the available receiving beams for communication with the second terminal, which beam is less interfered with by the first beam.

[0265] In some embodiments, sending second indication information to the first terminal includes: determining that a beam from at least one second beam needs to be used to communicate with the second terminal, and sending second indication information to the first terminal; wherein the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

[0266] In some embodiments, sending a second indication message to the first terminal further includes: determining that it is necessary to switch from using a beam in at least one second beam to communicating with the second terminal to using a beam in at least one third beam to communicate with the second terminal, and sending a second indication message to the first terminal; wherein the first terminal indicated by the second indication message releases the disabling of the first beam when performing direct link communication.

[0267] In some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; a channel state information reference signal resource identifier.

[0268] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0269] In some embodiments, the first indication information is also used by the network device to determine: an association relationship between the time domain resources for the first terminal to perform direct link communication and the beam.

[0270] For the third aspect and the optional implementation of the optional embodiment of the third aspect, please refer to the optional implementation in the embodiment shown in FIG3B and other related parts in the embodiment involved in FIG3B , which will not be repeated here.

[0271] In a fourth aspect, embodiments of the present disclosure provide an indication receiving method. FIG9 is a schematic flow chart illustrating an indication receiving method according to an embodiment of the present disclosure. The indication receiving method illustrated in this embodiment may be executed by a first terminal.

[0272] As shown in FIG9 , the indication receiving method may include the following steps:

[0273] In step S901, second indication information sent by a network device is received, where the second indication information is used by a first terminal to determine a beam to be used for direct link communication.

[0274] In some embodiments, the indication receiving method further includes: sending first indication information to the network device, wherein the first indication information is used by the network device to determine at least one of the following:

[0275] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0276] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam in the available receiving beams for communication with the second terminal, which beam is less interfered with by the first beam.

[0277] In some embodiments, the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

[0278] In some embodiments, the first terminal indicated by the second indication information releases the disabling of the first beam when performing direct link communication.

[0279] In some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; a channel state information reference signal resource identifier.

[0280] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0281] In some embodiments, the first indication information is also used by the network device to determine: an association relationship between the time domain resources for the first terminal to perform direct link communication and the beam.

[0282] The fourth aspect and the optional implementation of the optional embodiment of the fourth aspect can be referred to the optional implementation in the embodiment shown in Figure 3B and other related parts of the embodiment involved in Figure 3B, which will not be repeated here.

[0283] In some embodiments, the names of information, etc. are not limited to the names described in the embodiments, and terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codeword", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

[0284] In some embodiments, terms such as "uplink", "uplink", "physical uplink" can be interchangeable with each other, and terms such as "downlink", "downlink", "physical downlink" can be interchangeable with each other, and terms such as "side", "sidelink", "side communication", "sidelink communication", "direct connection", "direct link", "direct communication", "direct link communication" can be interchangeable with each other.

[0285] In some embodiments, terms such as "synchronization signal (SS)", "synchronization signal block (SSB)", "reference signal (RS)", "pilot", and "pilot signal" can be used interchangeably.

[0286] In some embodiments, terms such as "frame", "radio frame", "subframe", "slot", "sub-slot", "mini-slot", "symbol", "symbol", and "transmission time interval (TTI)" can be used interchangeably.

[0287] In some embodiments, "obtain", "get", "get", "receive", "transmit", "bidirectional transmission", "send and / or receive" can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining by self-processing, autonomous implementation, etc.

[0288] In some embodiments, terms such as "send", "transmit", "report", "download", "transmit", "bidirectional transmission", "send and / or receive" can be used interchangeably.

[0289] In some embodiments, the terms "certain", "preset", "preset", "set", "indicate", "a certain", "arbitrary", "first" and the like can be used interchangeably, and "certain A", "preset A", "set A", "indicate A", ...indicate A", "certain A", "preset A", "indicate A", "certain A", "preset A", "indicate A", "certain A", "preset A", "indicate A", "certain A", "certain A", "preset A", "indicate A", "certain A", "certain A

[0290] It should be noted that for other contents involved in this embodiment, please refer to the description of the relevant contents in the previous embodiments, which will not be repeated here.

[0291] Corresponding to the aforementioned embodiments of the indication receiving method and the indication sending method, the present disclosure also provides embodiments of a terminal and a network device.

[0292] FIG10 is a schematic block diagram of a network device according to an embodiment of the present disclosure. As shown in FIG10 , the network device includes:

[0293] The receiving module 1001 is configured to receive first indication information sent by a first terminal;

[0294] The processing module 1002 is configured to determine, according to the first indication information, a beam required to be used by the network device to communicate with the second terminal when the first terminal uses the first beam for direct link communication.

[0295] In some embodiments, the first indication information is used to indicate at least one of the following:

[0296] When the first terminal uses a first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0297] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam among the available receiving beams for communication with the second terminal, which has relatively less interference from the first beam.

[0298] In some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; a channel state information reference signal resource identifier.

[0299] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0300] In some embodiments, the processing module is configured to determine, among the receiving beams other than the at least one second beam, the beam required for the network device to communicate with the second terminal when the first terminal uses the first beam for direct link communication; wherein the first indication information is used to indicate the at least one second beam.

[0301] In some embodiments, the processing module is configured to determine that the receiving beam that is least interfered with by the first beam in the at least one third beam is: the beam required for the network device to communicate with the second terminal when the first terminal uses the first beam for direct link communication; wherein the first indication information is used to indicate the at least one third beam.

[0302] In some embodiments, the processing module is further configured to determine, based on the first indication information, an association relationship between time domain resources and beams for direct link communication performed by the first terminal.

[0303] FIG11 is a schematic block diagram of a terminal according to an embodiment of the present disclosure. As shown in FIG11 , the terminal includes:

[0304] The sending module 1101 is configured to send first indication information to the network device, wherein the first indication information is used by the network device to determine: when the first terminal uses the first beam for direct link communication, the beam required for the network device to communicate with the second terminal.

[0305] In some embodiments, the first indication information is used to indicate at least one of the following:

[0306] When the first terminal uses a first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0307] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam among the available receiving beams for communication with the second terminal, which has relatively less interference from the first beam.

[0308] In some embodiments, the terminal also includes: a processing module, configured to measure the beam of the network device to determine the signal quality corresponding to each beam of the network device when the first terminal uses the first beam to communicate with the network device; based on the signal quality, determine that when the first terminal uses the first beam for direct link communication, each beam of the network device is interfered with by the first beam, wherein the signal quality corresponding to the beam of the network device is positively correlated with the interference of the beam of the network device by the first beam.

[0309] In some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; a channel state information reference signal resource identifier.

[0310] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0311] In some embodiments, the first indication information is further used by the network device to determine: an association relationship between time domain resources and beams for direct link communication by the first terminal.

[0312] FIG12 is a schematic block diagram of a network device according to an embodiment of the present disclosure. As shown in FIG12 , the network device includes:

[0313] The sending module 1201 is configured to send second indication information to the first terminal, wherein the second indication information is used by the first terminal to determine a beam to be used for direct link communication.

[0314] In some embodiments, the network device further includes: a receiving module configured to receive first indication information sent by the first terminal, and determine at least one of the following based on the first indication information:

[0315] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0316] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam among the available receiving beams for communication with the second terminal, which is less interfered with by the first beam.

[0317] In some embodiments, the sending module is configured to determine that a beam in the at least one second beam needs to be used to communicate with the second terminal, and to send the second indication information to the first terminal; wherein the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

[0318] In some embodiments, the sending module is further configured to determine the need to switch from using a beam in the at least one second beam to communicate with the second terminal to using a beam in the at least one third beam to communicate with the second terminal, and to send the second indication information to the first terminal; wherein the first terminal indicated by the second indication information releases the disabling of the first beam when performing direct link communication.

[0319] In some embodiments, the first indication information includes at least one of the following: a synchronization broadcast signal block index; a channel state information reference signal resource identifier.

[0320] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0321] In some embodiments, the first indication information is further used by the network device to determine: an association relationship between time domain resources and beams for direct link communication by the first terminal.

[0322] FIG13 is a schematic block diagram of a terminal according to an embodiment of the present disclosure. As shown in FIG13 , the terminal includes:

[0323] The receiving module 1301 is configured to receive second indication information sent by a network device, wherein the second indication information is used by the first terminal to determine a beam to be used for direct link communication.

[0324] In some embodiments, the terminal further includes: a sending module configured to send first indication information to the network device, wherein the first indication information is used by the network device to determine at least one of the following:

[0325] When the first terminal uses the first beam for direct link communication, at least one second beam among the receive beams available for communication between the network device and the second terminal that is subject to relatively greater interference from the first beam;

[0326] When the first terminal uses the first beam for direct link communication, the network device includes at least one third beam among the available receiving beams for communication with the second terminal, which is less interfered with by the first beam.

[0327] In some embodiments, the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

[0328] In some embodiments, the first terminal indicated by the second indication information releases the disabling of the first beam when performing direct link communication.

[0329] In some embodiments, the first indication information includes at least one of the following:

[0330] Synchronous broadcast signal block index;

[0331] Channel state information reference signal resource identifier.

[0332] In some embodiments, the synchronization broadcast signal block index is associated with a receiving beam of the network device; and / or the channel state information reference signal resource identifier is associated with a beam of the network device.

[0333] In some embodiments, the first indication information is further used by the network device to determine: an association relationship between time domain resources and beams for direct link communication by the first terminal.

[0334] For the device embodiment, since it basically corresponds to the method embodiment, the relevant parts can be referred to the partial description of the method embodiment. The device embodiment described above is merely illustrative, wherein the modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, that is, they may be located in one place, or they may be distributed on multiple network modules. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Those of ordinary skill in the art can understand and implement it without paying any creative work.

[0335] The embodiments of the present disclosure further provide an apparatus for implementing any of the above methods. For example, an apparatus is provided, comprising units or modules for implementing each step performed by a terminal in any of the above methods. For another example, another apparatus is provided, comprising units or modules for implementing each step performed by a network device (e.g., an access network device, a core network function node, a core network device, etc.) in any of the above methods.

[0336] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions. In actual implementation, they may be fully or partially integrated into a physical entity, or they may be physically separated. In addition, the units or modules in the device may be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory stores instructions. The processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), which realizes the functions of some or all of the above units or modules by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD). Taking a field programmable gate array (FPGA) as an example, it can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by configuring the configuration file, thereby realizing the functions of some or all of the above units or modules. All units or modules of the above devices can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part by the form of software called by the processor, and the rest by hardware circuits.

[0337] In the embodiments of the present disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and implementing the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.

[0338] Figure 14A is a schematic diagram of the structure of a communication device 14100 proposed in an embodiment of the present disclosure. Communication device 14100 can be a network device (e.g., an access network device, a core network device, etc.), a terminal (e.g., a user equipment, etc.), a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods. Communication device 14100 can be used to implement the methods described in the above method embodiments. For details, please refer to the description of the above method embodiments.

[0339] As shown in Figure 14A, the communication device 14100 includes one or more processors 14101. The processor 14101 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process the communication protocol and communication data, and the central processing unit can be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute programs, and process program data. Optionally, the communication device 14100 is used to perform any of the above methods. Optionally, one or more processors 14101 are used to call instructions to enable the communication device 14100 to perform any of the above methods.

[0340] In some embodiments, the communication device 14100 further includes one or more transceivers 14102. When the communication device 14100 includes one or more transceivers 14102, the transceiver 14102 performs at least one of the communication steps such as sending and / or receiving in the above method (e.g., steps S301, S302, S303, S304, but not limited thereto), and the processor 14101 performs at least one of the other steps (e.g., steps S301, S302, S303, S304, but not limited thereto). In an optional embodiment, the transceiver may include a receiver and / or a transmitter, and the receiver and transmitter may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, and interface may be interchangeable, the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be interchangeable, and the terms receiver, receiving unit, receiver, and receiving circuit may be interchangeable.

[0341] In some embodiments, the communication device 14100 further includes one or more memories 14103 for storing data. Alternatively, all or part of the memories 14103 may be located outside the communication device 14100. In alternative embodiments, the communication device 14100 may include one or more interface circuits 14104. Optionally, the interface circuits 14104 are connected to the memory 14102 and may be configured to receive data from the memory 14102 or other devices, or to send data to the memory 14102 or other devices. For example, the interface circuits 14104 may read data stored in the memory 14102 and send the data to the processor 14101.

[0342] The communication device 14100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 14100 described in the present disclosure is not limited thereto, and the structure of the communication device 14100 may not be limited by FIG. 14A. The communication device may be an independent device or may be part of a larger device. For example, the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.

[0343] 14B is a schematic diagram of the structure of a chip 14200 according to an embodiment of the present disclosure. If the communication device 14100 can be a chip or a chip system, reference can be made to the schematic diagram of the structure of the chip 14200 shown in FIG14B , but the present disclosure is not limited thereto.

[0344] The chip 14200 includes one or more processors 14201. The chip 14200 is configured to execute any of the above methods.

[0345] In some embodiments, chip 14200 further includes one or more interface circuits 14202. Terms such as interface circuit, interface, and transceiver pins may be used interchangeably. In some embodiments, chip 14200 further includes one or more memories 14203 for storing data. Alternatively, all or part of memory 14203 may be located external to chip 14200. Optionally, interface circuit 14202 is connected to memory 14203 and may be configured to receive data from memory 14203 or other devices, or to send data to memory 14203 or other devices. For example, interface circuit 14202 may read data stored in memory 14203 and send the data to processor 14201.

[0346] In some embodiments, the interface circuit 14202 performs at least one of the communication steps (e.g., steps S301, S302, S303, and S304, but not limited thereto) in the above-described method. For example, the interface circuit 14202 performing the communication steps (e.g., steps S301, S302, S303, and S304, but not limited thereto) in the above-described method means that the interface circuit 14202 performs data exchange between the processor 14201, the chip 14200, the memory 14203, or the transceiver device. In some embodiments, the processor 14201 performs at least one of the other steps (e.g., steps S301, S302, S303, and S304, but not limited thereto).

[0347] The modules and / or devices described in various embodiments, such as virtual devices, physical devices, and chips, can be arbitrarily combined or separated according to circumstances. Optionally, some or all steps can also be performed collaboratively by multiple modules and / or devices, which is not limited here.

[0348] The present disclosure also provides a storage medium having instructions stored thereon. When the instructions are executed on the communication device 14100, the communication device 14100 is caused to execute any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto and may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but is not limited thereto and may also be a transient storage medium.

[0349] The present disclosure also provides a program product, which, when executed by the communication device 14100, enables the communication device 14100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0350] The present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to perform any one of the above methods.

Claims

1. An indication receiving method, characterized in that, performed by a network device, the method comprising: receiving first indication information sent by a first terminal; determining, according to the first indication information: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with a second terminal.

2. The method according to claim 1, characterized in that, the first indication information is used to indicate at least one of the following: when the first terminal uses a first beam for direct link communication, at least one second beam among the receiving beams available for the network device to communicate with the second terminal and having relatively greater interference from the first beam; when the first terminal uses a first beam for direct link communication, at least one third beam among the receiving beams available for the network device to communicate with the second terminal and having relatively smaller interference from the first beam.

3. The method according to claim 2, characterized in that, the first indication information includes at least one of the following: synchronization broadcast signal block index; channel state information reference signal resource identifier.

4. The method according to claim 3, characterized in that, the synchronization broadcast signal block index is associated with the receiving beam of the network device; and / or, the channel state information reference signal resource identifier is associated with the beam of the network device.

5. The method according to any one of claims 2 to 4, characterized in that, the determining, according to the first indication information: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with a second terminal, includes: determining, among the receiving beams other than the at least one second beam, the beam required for the network device to communicate with a second terminal when the first terminal uses a first beam for direct link communication; wherein, the first indication information is used to indicate the at least one second beam.

6. The method according to any one of claims 2 to 4, characterized in that, the determining, according to the first indication information: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with a second terminal, includes: determining the receiving beam with the least interference from the first beam among the at least one third beam as the beam required for the network device to communicate with a second terminal when the first terminal uses a first beam for direct link communication; wherein, the first indication information is used to indicate the at least one third beam.

7. The method according to any one of claims 1 to 6, characterized in that, the method further comprises: determining, according to the first indication information, the association relationship between the time domain resources and beams for the first terminal to perform direct link communication.

8. An indication sending method, characterized in that, performed by a first terminal, the method comprising: sending first indication information to a network device, wherein the first indication information is used for the network device to determine: when the first terminal uses a first beam for direct link communication, the beam required for the network device to communicate with a second terminal.

9. The method according to claim 8, wherein, the first indication information is used to indicate at least one of the following: when the first terminal uses a first beam for direct link communication, at least one second beam among the receiving beams available for the network device to communicate with the second terminal and being relatively greatly interfered by the first beam; when the first terminal uses a first beam for direct link communication, at least one third beam among the receiving beams available for the network device to communicate with the second terminal and being relatively slightly interfered by the first beam.

10. The method according to claim 9, wherein, the method further includes: measuring the beams of the network device to determine the signal quality corresponding to each beam of the network device when the first terminal uses the first beam to communicate with the network device; determining, according to the signal quality, the interference of each beam of the network device by the first beam when the first terminal uses the first beam for direct link communication, wherein the signal quality corresponding to the beam of the network device is positively correlated with the interference of the beam of the network device by the first beam.

11. The method according to claim 9 or 10, wherein, the first indication information includes at least one of the following: synchronization broadcast signal block index; channel state information reference signal resource identifier.

12. The method according to claim 11, wherein, the synchronization broadcast signal block index is associated with the receiving beam of the network device; and / or, the channel state information reference signal resource identifier is associated with the beam of the network device.

13. The method according to any one of claims 8 to 12, wherein, the first indication information is further used for the network device to determine: the association relationship between the time domain resources and beams for the first terminal to perform direct link communication.

14. An indication sending method, wherein, indicated by a network device, the method includes: sending second indication information to a first terminal, wherein the second indication information is used for the first terminal to determine the beam to be used when performing direct link communication.

15. The method according to claim 14, wherein, the method further includes: receiving the first indication information sent by the first terminal, and determining at least one of the following according to the first indication information: when the first terminal uses a first beam for direct link communication, at least one second beam among the receiving beams available for the network device to communicate with the second terminal and being relatively greatly interfered by the first beam; when the first terminal uses a first beam for direct link communication, at least one third beam among the receiving beams available for the network device to communicate with the second terminal and being relatively slightly interfered by the first beam.

16. The method according to claim 15, wherein, the sending the second indication information to the first terminal includes: determining that a beam among the at least one second beam needs to be used to communicate with the second terminal, and sending the second indication information to the first terminal; Wherein, the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

17. The method according to claim 15, wherein, the sending of the second indication information to the first terminal further includes: determining that it is necessary to switch from communicating with the second terminal using a beam among the at least one second beam to communicating with the second terminal using a beam among the at least one third beam, and sending the second indication information to the first terminal; wherein, when the first terminal performs direct link communication as indicated by the second indication information, the disabling of the first beam is lifted.

18. The method according to any one of claims 15 to 17, wherein, the first indication information includes at least one of the following: synchronization broadcast signal block index; channel state information reference signal resource identifier.

19. The method according to claim 18, wherein, the synchronization broadcast signal block index is associated with the receiving beam of the network device; and / or, the channel state information reference signal resource identifier is associated with the beam of the network device.

20. The method according to any one of claims 15 to 18, wherein, the first indication information is further used by the network device to determine: the association relationship between the time domain resources and the beam for the first terminal to perform direct link communication.

21. An indication receiving method, wherein, executed by a first terminal, the method includes: receiving second indication information sent by a network device, wherein the second indication information is used for the first terminal to determine the beam to be used when performing direct link communication.

22. The method according to claim 21, wherein, the method further includes: sending first indication information to the network device, wherein the first indication information is used for the network device to determine at least one of the following: at least one second beam among the receiving beams available for the network device to communicate with the second terminal that is relatively more interfered by the first beam when the first terminal performs direct link communication using the first beam; at least one third beam among the receiving beams available for the network device to communicate with the second terminal that is relatively less interfered by the first beam when the first terminal performs direct link communication using the first beam.

23. The method according to claim 22, wherein, the second indication information instructs the first terminal to disable the first beam when performing direct link communication.

24. The method according to claim 22, wherein, when the first terminal performs direct link communication as indicated by the second indication information, the disabling of the first beam is lifted.

25. The method according to any one of claims 22 to 24, wherein, the first indication information includes at least one of the following: synchronization broadcast signal block index; channel state information reference signal resource identifier.

26. The method according to claim 25, wherein, the synchronization broadcast signal block index is associated with the receiving beam of the network device; and / or, the channel state information reference signal resource identifier is associated with the beam of the network device.

27. The method according to any one of claims 15 to 18, wherein, the first indication information is further used for the network device to determine: the association relationship between the time domain resources and the beam for the first terminal to perform direct link communication.

28. An indication sending method, wherein, comprising: a first terminal sending first indication information to a network device; the network device determining, according to the first indication information: the beam required for the network device to communicate with a second terminal when the first terminal uses a first beam to perform direct link communication.

29. An indication sending method, wherein, comprising: the network device sending second indication information to a first terminal; the first terminal determining, according to the second indication information, the beam used when performing direct link communication.

30. A network device, wherein, comprising: a receiving module, configured to receive first indication information sent by a first terminal; a processing module, configured to determine, according to the first indication information: the beam required for the network device to communicate with a second terminal when the first terminal uses a first beam to perform direct link communication.

31. A terminal, wherein, comprising: a sending module, configured to send first indication information to a network device, wherein the first indication information is used for the network device to determine: the beam required for the network device to communicate with a second terminal when the first terminal uses a first beam to perform direct link communication.

32. A network device, wherein, comprising: a sending module, configured to send second indication information to a first terminal, wherein the second indication information is used for the first terminal to determine the beam used when performing direct link communication.

33. A terminal, wherein, comprising: a receiving module, configured to receive second indication information sent by a network device, wherein the second indication information is used for the first terminal to determine the beam used when performing direct link communication.

34. A network device, wherein, comprising: one or more processors; wherein, the network device is used to execute the indication receiving method according to any one of claims 1 to 7, and / or, the indication sending method according to any one of claims 14 to 20.

35. A terminal, wherein, comprising: one or more processors; wherein, the terminal is used to execute the indication sending method according to any one of claims 8 to 13, and / or, the indication receiving method according to any one of claims 21 to 27.

36. A communication system, wherein, comprising a terminal and a network device, wherein the network device is configured to execute the indication receiving method according to any one of claims 1 to 7, and / or, the indication sending method according to any one of claims 14 to 20, and the terminal is configured to execute the indication sending method according to any one of claims 8 to 13, and / or, the indication receiving method according to any one of claims 21 to 27.

37. A storage medium, the storage medium stores instructions, wherein, When the instruction runs on the communication device, the communication device is caused to execute the instruction receiving method according to any one of claims 1 to 7, and / or the instruction sending method according to any one of claims 14 to 20, and / or the instruction sending method according to any one of claims 8 to 13, and / or the instruction receiving method according to any one of claims 21 to 27.

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