AOD acquisition method, device and communication equipment

Abstract

The present application proposes an AOD acquisition method, device and communication equipment, which relate to the field of wireless communication technology. The scheme is: sending multiple scanning beams to a receiving terminal; receiving at least one beam identifier, wherein the at least one beam identifier is determined according to the signal quality of the multiple scanning beams; determining a target scanning beam based on the at least one beam identifier, and determining the AOD of the transmitting terminal based on the target scanning beam. In the present application, the transmitting terminal can send a scanning beam to the receiving terminal and determine the AOD of the transmitting terminal according to the beam identifier.

Description

Technical Field

[0001] The present application relates to the field of wireless communication technology, and in particular to an AOD acquisition method, apparatus, communication device and storage medium. Background Art

[0002] At present, the relative distance and relative angle between two devices are mostly used in the field of ranging to determine the relative position of one device relative to the other device. Among them, the relative angle may include the angle of arrival (AOA) and the angle of departure (AOD). However, in the related art, it is impossible to obtain AOD in the Long Term Evolution (LTE) network and the New Radio (NR). Summary of the invention

[0003] The AOD acquisition method, apparatus, communication device and storage medium proposed in the present application are used to solve the problem in the related art that AOD acquisition cannot be achieved in Long Term Evolution (LTE) networks and New Radio (NR).

[0004] The first aspect embodiment of the present application proposes an AOD acquisition method, including: sending multiple scanning beams to a receiving terminal; receiving at least one beam identifier, wherein the at least one beam identifier is determined based on the signal quality of the multiple scanning beams; determining a target scanning beam based on the at least one beam identifier, and determining the AOD of the sending terminal based on the target scanning beam.

[0005] The second aspect embodiment of the present application provides another AOD acquisition method, including: receiving multiple scanning beams sent by a transmitting terminal; measuring the signal quality of each of the scanning beams; and sending at least one beam identifier to the transmitting terminal based on the signal quality of the multiple scanning beams.

[0006] The third aspect embodiment of the present application provides an AOD acquisition device, including: a beam sending module, configured to send multiple scanning beams to a receiving terminal; an identification receiving module, configured to receive at least one beam identification, wherein the at least one beam identification is determined based on the signal quality of the multiple scanning beams; a determination module, configured to determine a target scanning beam based on the at least one beam identification, and determine the AOD of the sending terminal based on the target scanning beam.

[0007] The fourth aspect embodiment of the present application provides another AOD acquisition device, including: a beam receiving module, configured to receive multiple scanning beams sent by a transmitting terminal; a quality measurement module, configured to measure the signal quality of each of the scanning beams; an identification sending module, configured to send at least one beam identification to the transmitting terminal based on the signal quality of the multiple scanning beams.

[0008] The fifth aspect embodiment of the present application provides a communication device, comprising: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the AOD acquisition method described in the first aspect embodiment of the present application, or the AOD acquisition method described in the second aspect embodiment of the present application.

[0009] The sixth aspect embodiment of the present application provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and after the computer executable instructions are executed by the processor, the AOD acquisition method described in the first aspect embodiment of the present application, or the AOD acquisition method described in the second aspect embodiment of the present application can be implemented.

[0010] The embodiments provided in this application have at least the following beneficial technical effects:

[0011] According to the AOD acquisition method of the embodiment of the present application, the transmitting terminal may send multiple scanning beams to the receiving terminal, and then receive at least one beam identifier, wherein at least one beam identifier is determined according to the signal quality of the multiple scanning beams, and then the target scanning beam is determined based on the at least one beam identifier, and the AOD of the transmitting terminal is determined based on the target scanning beam. Thus, the transmitting terminal can acquire AOD in the long-term evolution LTE network, the new air interface NR, and any appropriate communication network of any generation by sending a scanning beam to the receiving terminal and determining the AOD of the transmitting terminal according to the beam identifier.

[0012] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0014] Figure 1 A schematic diagram of an AOD acquisition method provided in an embodiment of the present application;

[0015] Figure 2A schematic diagram of multiple scanning beams in an AOD acquisition method provided in an embodiment of the present application;

[0016] Figure 3 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application;

[0017] Figure 4 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application;

[0018] Figure 5 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application;

[0019] Figure 6 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application;

[0020] Figure 7 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application;

[0021] Figure 8 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application;

[0022] Fig. 9 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application;

[0023] Fig.10 An interactive schematic diagram of an AOD acquisition method provided in an embodiment of the present application;

[0024] Fig.11 A schematic diagram of the structure of an AOD acquisition device provided in an embodiment of the present application;

[0025] Fig.12 A schematic diagram of the structure of another AOD acquisition device provided in an embodiment of the present application;

[0026] Fig.13 A schematic diagram of the structure of another AOD acquisition device provided in an embodiment of the present application;

[0027] Fig.14 A schematic diagram of the structure of another AOD acquisition device provided in an embodiment of the present application; and

[0028] Fig.15 A schematic diagram of a communication device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0029] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the embodiments of the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the embodiments of the present application as detailed in the appended claims.

[0030] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms of "a" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0031] It should be understood that, although the terms first, second, third, etc. may be used to describe various information in the embodiments of the present application, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the embodiments of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the words "if" and "if" as used herein may be interpreted as "at..." or "when..." or "in response to determination".

[0032] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0033] The AOD acquisition method, apparatus, communication device and storage medium provided in the present application are described in detail below with reference to the accompanying drawings.

[0034] Figure 1 A schematic diagram of an AOD acquisition method provided in an embodiment of the present application.

[0035] like Figure 1 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0036] S101, sending multiple scanning beams to a receiving terminal.

[0037] It should be noted that the AOD acquisition method in the embodiment of the present application is executed by a sending terminal, wherein the sending terminal includes but is not limited to a mobile phone, a computer, a smart wearable device, a smart home appliance, a vehicle-mounted terminal, etc., which are not limited here.

[0038] In an embodiment of the present application, the transmitting terminal may send multiple scanning beams to the receiving terminal. Optionally, the transmitting terminal is provided with an antenna array, and the transmitting terminal may send multiple scanning beams to the receiving terminal through its own antenna array.

[0039] Optionally, the transmitting terminal may send a plurality of scanning beams with different beam azimuth angles to the receiving terminal. Figure 2 As shown, the transmitting terminal can transmit scanning beams with beam azimuth angles of 0°, 10°, 20° to 350°, and the beam azimuth angles between two adjacent scanning beams differ by 10°.

[0040] S102: Receive at least one beam identifier, wherein the received at least one beam identifier is determined according to signal qualities of multiple scanning beams.

[0041] In an embodiment of the present application, after the transmitting terminal sends multiple scanning beams to the receiving terminal, it can receive at least one beam identifier, and the at least one beam identifier is determined according to the signal qualities of the above multiple scanning beams.

[0042] It is understandable that each scanning beam may correspond to a beam identifier, and different scanning identifiers are used to distinguish different scanning beams. The beam identifier may be in the form of numbers, characters, etc., and is not limited here.

[0043] Optionally, the beam identifier of each scanning beam is determined according to the transmission position of the corresponding scanning beam. The transmission position of the scanning beam may include the beam azimuth of the scanning beam. Figure 2 For example, the beam identifier of each scanning beam can be determined according to the beam azimuth of the corresponding scanning beam. The beam identifier of the scanning beam with a beam azimuth angle of 0° can be #0, the beam identifier of the scanning beam with a beam azimuth angle of 10° can be #1, the beam identifier of the scanning beam with a beam azimuth angle of 20° can be #2, and so on. The beam identifier of the scanning beam with a beam azimuth angle of 350° can be #35.

[0044] Optionally, each scanning beam carries its own beam identifier. In this case, the receiving terminal can extract the corresponding beam identifier from each scanning beam.

[0045] It can be understood that different scanning beams may correspond to different signal qualities. Optionally, at least one beam identifier received by the above-mentioned transmitting terminal is selected according to the signal qualities of multiple scanning beams. For example, the at least one beam identifier may be the beam identifiers corresponding to at least one scanning beam selected in the order of signal quality of multiple scanning beams from high to low. Suppose the transmitting terminal sends 10 scanning beams to the receiving terminal, then the beam identifier of the scanning beam ranked 1 (i.e., the scanning beam with the best signal quality) can be selected in the order of signal quality of the 10 scanning beams from high to low. At this time, the number of at least one beam identifier received by the transmitting end is one, which is the beam identifier of the scanning beam with the best signal quality among the 10 scanning beams. Or, the beam identifiers of the scanning beams ranked 1 to 3 can be selected. At this time, the number of at least one beam identifier received by the transmitting end is 3, which are the beam identifiers of the scanning beams ranked top 3 in signal quality among the 10 scanning beams. Thus, this method can obtain the beam identifiers of at least one scanning beam with better signal quality from multiple scanning beams.

[0046] Optionally, after the transmitting terminal sends multiple scanning beams to the receiving terminal, the receiving terminal can select at least one beam identifier corresponding to at least one scanning beam according to the signal qualities of the multiple scanning beams, and send the at least one beam identifier to the transmitting terminal. Further, the transmitting terminal can receive the above-mentioned at least one beam identifier sent by the receiving terminal.

[0047] S103, determine the target scanning beam based on the received at least one beam identifier, and determine the AOD of the transmitting terminal based on the target scanning beam.

[0048] In the embodiments of the present application, after receiving the at least one beam identifier, the transmitting terminal can determine the target scanning beam based on the beam identifier.

[0049] It can be understood that when the received beam identifier is unique, the beam identifier is the beam identifier of the scanning beam with the best signal quality among multiple scanning beams. The target scanning beam can be directly determined according to the one-to-one correspondence between the beam identifier and the scanning beam.

[0050] Optionally, determining the target scanning beam based on the above-mentioned unique beam identifier may include establishing a mapping relationship or a mapping table between the beam identifier and the scanning beam in advance. After obtaining the beam identifier, querying the mapping relationship or the mapping table can determine the scanning beam corresponding to the beam identifier as the target scanning beam. It should be noted that the mapping relationship or the mapping table can be set according to the actual situation and set in the storage space of the transmitting terminal.

[0051] It is understandable that the scanning beam may fluctuate due to interference factors such as the environment. If only a unique beam identifier is received and the target scanning beam is determined based on the unique beam identifier, the selected target scanning beam is at risk of being inaccurate and having poor stability. In order to solve the above problems, the transmitting terminal can also receive multiple beam identifiers, and then obtain the signal qualities of multiple candidate scanning beams identified by the multiple beam identifiers, and select the candidate scanning beam with the best signal quality as the target scanning beam based on the signal qualities of the multiple measurements. It is understandable that the stability of the signal quality is also a factor that affects the quality of the signal. For example, the variance of the signal qualities of multiple measurements of each candidate scanning beam can be obtained, and the candidate scanning beam with the smallest variance can be selected as the target scanning beam.

[0052] Therefore, the method can effectively avoid the situation where the selected target scanning beam is inaccurate when the scanning beam is disturbed and fluctuated, and the stability of the selected target scanning beam is also good.

[0053] Further, after the transmitting terminal determines the target scanning beam based on at least one beam identifier, the angle of departure (Angle Of Depature, AOD) of the transmitting terminal can be determined based on the target scanning beam.

[0054] Continue with Figure 2 For example, the beam identifier of a scanning beam with a beam azimuth angle of 0° may be #0, the beam identifier of a scanning beam with a beam azimuth angle of 10° may be #1, the beam identifier of a scanning beam with a beam azimuth angle of 20° may be #2, and so on. The beam identifier of a scanning beam with a beam azimuth angle of 350° may be #35.

[0055] If the beam identifier received by the transmitting terminal is #1, it can be determined based on the beam identifier #1 that the target scanning beam is a scanning beam with a beam azimuth angle of 10°, and that the AOD of the transmitting terminal is 10°.

[0056] Alternatively, if the beams received by the transmitting terminal are identified as #7, #18, and #9, the signal qualities of the candidate scanning beams identified by the beam identifiers #7, #18, and #9 measured multiple times can be obtained, and based on the signal qualities measured multiple times, the candidate scanning beam with the best signal quality can be selected as the target scanning beam. If, based on the signal qualities measured multiple times, it is determined that the candidate scanning beam identified by the beam identifier #7 has the best signal quality, the candidate scanning beam identified by the beam identifier #7 can be used as the target scanning beam, and the AOD of the transmitting terminal can be determined to be 70°.

[0057] It can be understood that the AOD acquisition method of the embodiment of the present application can determine the AOD of the transmitting terminal and can be applied to the field of angle measurement. Optionally, after determining the AOD of the transmitting terminal, the transmitting terminal can also determine the relative position of the receiving terminal relative to the transmitting terminal based on the AOD of the transmitting terminal and the distance between the transmitting terminal and the receiving terminal. Therefore, the AOD acquisition method of the embodiment of the present application can also be applied to the field of positioning.

[0058] According to the AOD acquisition method of the embodiment of the present application, the transmitting terminal may send multiple scanning beams to the receiving terminal, and then receive the beam identifier, wherein the beam identifier is determined according to the signal quality of the multiple scanning beams, and then the target scanning beam is determined based on at least one beam identifier, and the AOD of the transmitting terminal is determined based on the target scanning beam. Thus, the transmitting terminal can acquire AOD in the long-term evolution LTE network, the new air interface NR, and any appropriate communication network of any generation by sending a scanning beam to the receiving terminal and determining the AOD of the transmitting terminal according to the beam identifier.

[0059] Figure 3 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application.

[0060] like Figure 3 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0061] S201, periodically sending multiple scanning beams to a receiving terminal according to an angle measurement period.

[0062] It is understandable that since the positions of the transmitting terminal and the receiving terminal may change, the AOD of the transmitting terminal may also change. In the embodiment of the present application, the transmitting terminal may periodically send multiple scanning beams to the receiving terminal according to the angle measurement period, and the AOD of the transmitting terminal may be re-determined at intervals of a fixed angle measurement period, which helps to update the AOD of the transmitting terminal in a timely manner.

[0063] The angle measurement period can be set according to actual conditions, for example, it can be set to 10 minutes.

[0064] For example, if the angle measurement cycle is 10 minutes, the transmitting terminal may send multiple scanning beams to the receiving terminal in each angle measurement cycle, with an interval of 10 minutes between two adjacent transmissions.

[0065] S202: Receive at least one beam identifier, where the at least one beam identifier is determined according to signal qualities of multiple scanning beams.

[0066] S203: Determine a target scanning beam based on the at least one beam identifier, and determine an AOD of the transmitting terminal based on the target scanning beam.

[0067] The relevant contents of step S202 to step S203 can be found in the above embodiment and will not be repeated here.

[0068] According to the AOD acquisition method of the embodiment of the present application, the transmitting terminal can periodically send multiple scanning beams to the receiving terminal according to the angle measurement period, and then receive at least one beam identifier, wherein the at least one beam identifier is determined according to the signal quality of the multiple scanning beams, and then the target scanning beam is determined based on the unique beam identifier obtained through the at least one beam identifier, and the AOD of the transmitting terminal is determined based on the target scanning beam. Thus, the transmitting terminal can periodically send multiple scanning beams to the receiving terminal according to the angle measurement period, and the AOD of the transmitting terminal can be re-determined at intervals of a fixed angle measurement period, which helps to update the AOD of the transmitting terminal in a timely manner.

[0069] Figure 4 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application.

[0070] like Figure 4 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0071] S301, performing beam scanning in rounds, and sending the scanning beam of each scanning round to the receiving terminal.

[0072] It is understandable that, since the positions of the transmitting terminal and the receiving terminal may change, the AOD of the transmitting terminal may also change. In the embodiment of the present application, the transmitting terminal may perform beam scanning in rounds and send the scanning beam of each round of scanning to the receiving terminal, and the AOD of the transmitting terminal may be re-determined in each round of scanning, which helps to update the AOD of the transmitting terminal in a timely manner.

[0073] The beam scanning is performed in rounds, which may include the following two possible implementations:

[0074] Method 1: Perform beam scanning according to the number of scanning rounds negotiated with the receiving terminal.

[0075] In an embodiment of the present application, the transmitting terminal may negotiate the number of scanning rounds with the receiving terminal in advance, and perform beam scanning according to the number of scanning rounds negotiated with the receiving terminal.

[0076] The number of scanning rounds may be negotiated and set according to actual conditions, for example, it may be set to 10 rounds.

[0077] For example, if the number of scanning rounds is 10, the transmitting terminal may send multiple scanning beams to the receiving terminal in each scanning round, and the total number of scanning rounds is 10.

[0078] Method 2: After each scan is completed or each time a beam identifier is received, an indication message is sent to the receiving terminal, wherein the indication message is used to indicate whether there is a next round of scanning beam.

[0079] In an embodiment of the present application, the transmitting terminal may send indication information to the receiving terminal after each scan is completed or each time a beam identifier is received. The indication information is used to indicate whether there is a next round of scanning beams, so that the receiving terminal can receive the scanning beams according to the indication information.

[0080] Optionally, the indication information also includes the start time of the next round of scanning, so that the receiving terminal receives the scanning beam according to the start time of the next round of scanning.

[0081] It can be understood that the beam identifier can be the beam identifier corresponding to the scanning beam with the best signal quality in each round of scanning. Then the beam identifier can be re-determined in each round of scanning, which helps to update the AOD of the transmitting terminal in time.

[0082] At this time, performing beam scanning in rounds may include determining a first beam azimuth of a scanning beam in the next round according to a beam identifier received in the previous round and a current round number, and performing the next round of beam scanning according to the first beam azimuth.

[0083] It can be understood that when the beam identifier is the beam identifier corresponding to the scanning beam with the best signal quality in each round of scanning, the beam identifier sent by the receiving terminal in the previous round is the beam identifier corresponding to the scanning beam with the best signal quality in the previous round of scanning. At this time, the first beam azimuth of the next round of scanning beam can be determined according to the beam identifier received in the previous round and the current round number, and the next round of beam scanning can be performed according to the first beam azimuth, which helps to reduce the number of beam scans while ensuring the angle measurement accuracy.

[0084] For example, continue with Figure 2 For example, if the beam identifier sent by the receiving terminal in the previous round is #1 and the current round number is 1, the first beam azimuth angle of the next round of scanning beam can be the beam azimuth angle of 10° corresponding to the scanning beam identified by the beam identifier #1, and then the next round of beam scanning can be performed according to the first beam azimuth angle of 10°.

[0085] Wherein, according to the beam identifier received in the previous round and the current round number, the first beam azimuth of the scanning beam in the next round is determined, and the second beam azimuth of the scanning beam can also be determined according to the scanning beam identified by the beam identifier and the current round number, and then the second beam azimuth is divided according to the number of beams required to be scanned in each round to determine the first beam azimuth of the next round. Wherein, the number of beams required to be scanned in each round can be set according to actual conditions, for example, it can be set to 10.

[0086] For example, continue with Figure 2For example, if the number of beams to be scanned in each round is 36, if the beam identifier sent by the receiving terminal in the previous round is #1, and the current round number is 1, it can be determined that the second beam azimuth of the scanned beam is 10°, then the second beam azimuth of 10° can be divided to determine that the first beam azimuth of the next round is 5 / 18°, 5 / 9°, 5 / 6° to 10°, and further, the next round of beam scanning can be performed according to the first beam azimuth of 5 / 18°, 5 / 9°, 5 / 6° to 10°. At this time, the method only needs to scan 72 beams to achieve the same angle measurement accuracy as scanning 36*36 beams, greatly reducing the number of beam scans.

[0087] Therefore, when performing beam scanning in rounds, coarse-grained beam scanning can be first performed according to the number of beams that need to be scanned in each round, and then the first beam azimuth of the next round of scanning beam can be determined according to the scanning beam identified by the beam identifier and the current round number, and the next round of beam scanning can be performed according to the first beam azimuth, that is, fine-grained beam scanning is performed, which helps to reduce the number of beam scans while ensuring the angle measurement accuracy.

[0088] S302: Receive at least one beam identifier, where the beam identifier is determined according to signal qualities of multiple scanning beams.

[0089] S303: Determine a target scanning beam based on the at least one beam identifier, and determine an AOD of the transmitting terminal based on the target scanning beam.

[0090] The relevant contents of step S302 to step S303 can be found in the above embodiment and will not be repeated here.

[0091] According to the AOD acquisition method of the embodiment of the present application, the transmitting terminal performs beam scanning in rounds and sends the scanning beam of each scanning round to the receiving terminal, and then receives at least one beam identifier, wherein the at least one beam identifier is determined according to the signal quality of multiple scanning beams, and then determines the target scanning beam based on the unique beam identifier obtained by the at least one beam identifier, and determines the AOD of the transmitting terminal based on the target scanning beam. Thus, the transmitting terminal can perform beam scanning in rounds and send the scanning beam of each scanning round to the receiving terminal, and then each scanning round can re-determine the AOD of the transmitting terminal, which helps to update the AOD of the transmitting terminal in a timely manner.

[0092] Figure 5 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application.

[0093] like Figure 5 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0094] S401: Send a capability negotiation request to a receiving terminal, wherein the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement.

[0095] In an embodiment of the present application, before sending multiple scanning beams to the receiving terminal, the transmitting terminal may send a capability negotiation request to the receiving terminal, where the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement.

[0096] S402: Receive a capability negotiation request response sent by a receiving terminal, wherein the negotiation request response indicates that the receiving terminal supports beam-based AOD angle measurement.

[0097] In an embodiment of the present application, the sending terminal can receive a capability negotiation request response sent by the receiving terminal. The negotiation request response indicates that the receiving terminal supports beam-based AOD angle measurement, indicating that the AOD acquisition method of an embodiment of the present application can be applied to the receiving terminal, and the following steps S403-S407 can be continued.

[0098] As another possible implementation, when the negotiation request response indicates that the receiving terminal does not support beam-based AOD angle measurement, it indicates that the AOD acquisition method of the embodiment of the present application is not applicable to the receiving terminal, and there is no need to continue to perform the following steps S403-S407.

[0099] Optionally, a capability negotiation request may be sent or a capability negotiation request response may be received via a User Equipment Capability Enquiry Sidelink or a User Equipment Capability Information Sidelink.

[0100] S403: Negotiate angle measurement parameters of the AOD with the receiving terminal.

[0101] In an embodiment of the present application, before sending multiple scanning beams to the receiving terminal, the transmitting terminal may negotiate with the receiving terminal about the angle measurement parameters of the AOD. It can be understood that the angle measurement parameters are used to instruct the transmitting terminal to send multiple scanning beams to the receiving terminal.

[0102] Optionally, the angle measurement parameters include one or more of the following parameters: the number of scanning beams sent, the scanning interval, the number of returned beam identifiers, the number of scanning rounds, the scanning interval of each round and the number of scanning beams in each round of scanning, the time-frequency resource information used by the scanning beams, and the angle measurement period for triggering the angle measurement.

[0103] Among them, the scanning interval may include the time interval between adjacent scanning beams sent, the scanning interval of each round may include the time interval between two adjacent scanning beams sent, and the time-frequency resource information used by the scanning beam may include the resource pool used by the scanning beam, the start time of the scanning beam, etc.

[0104] Optionally, one of the following methods may be used to negotiate the angle measurement parameters of the AOD with the receiving terminal:

[0105] Method 1: Send an angle measurement request to a receiving terminal, wherein the angle measurement request carries angle measurement parameters.

[0106] Mode 2: receiving an angle measurement request response sent by a receiving terminal, wherein the angle measurement request response carries an angle measurement parameter.

[0107] Optionally, the above-mentioned angle measurement request or angle measurement request response can be sent via a radio resource control (RRC) message (abbreviated as "PC5-RRC") corresponding to the link interface (PC5) between terminals or a signaling protocol (Signalling Protocol) message (abbreviated as "PC5-S") corresponding to the link interface (PC5) between terminals.

[0108] Method 3: Send resource scheduling information to a receiving terminal, wherein the resource scheduling information includes angle measurement parameters.

[0109] Optionally, a resource pool is pre-configured for the sending terminal, and the sending terminal can schedule resources from the resource pool according to certain resource scheduling rules. In order to ensure information transmission with the receiving terminal, corresponding resource scheduling information can be sent to the receiving terminal.

[0110] Mode 4: sending negotiation indication information to the receiving terminal, wherein the negotiation indication information carries the angle measurement parameter.

[0111] Optionally, the angle measurement request, angle measurement request response, resource scheduling information, and negotiation indication information in the above four methods may all be sent via Radio Resource Control (RRC) signaling or other signaling.

[0112] S404: Send multiple scanning beams to a receiving terminal.

[0113] S405: Receive at least one beam identifier, where the at least one beam identifier is determined according to channel qualities of multiple scanning beams.

[0114] The relevant contents of step S404 to step S405 can be found in the above embodiment and will not be repeated here.

[0115] S406, receiving a measurement result of the scanning beam, wherein the measurement result includes a reference signal received power RSRP and / or a reference signal received quality RSRQ.

[0116] In an embodiment of the present application, after the transmitting terminal sends multiple scanning beams to the receiving terminal, it can also receive the measurement results of the scanning beams, wherein the measurement results include reference signal receiving power (RSRP) and / or reference signal receiving quality (RSRQ).

[0117] Optionally, after the transmitting terminal sends multiple scanning beams to the receiving terminal, the receiving terminal may obtain measurement results of the multiple scanning beams and feed back the measurement results of the multiple scanning beams to the transmitting terminal. Further, the transmitting terminal may receive the measurement results of the scanning beams sent by the receiving terminal.

[0118] S407: Determine a target scanning beam based on the at least one beam identifier, and determine an AOD of the transmitting terminal based on the target scanning beam.

[0119] The relevant contents of step S407 can be found in the above embodiment and will not be described again here.

[0120] According to the AOD acquisition method of the embodiment of the present application, the sending terminal sends a capability negotiation request to the receiving terminal, and can receive a capability negotiation request response sent by the receiving terminal, wherein the negotiation request response indicates that the receiving terminal supports beam-based AOD angle measurement, and then the sending terminal sends multiple scanning beams to the receiving terminal, and then receives at least one beam identifier sent by the receiving terminal, wherein the at least one beam identifier is determined according to the signal quality of the multiple scanning beams, and can also receive the measurement result of the scanning beam, and then can determine the beam direction of the target scanning beam identified by the unique beam identifier obtained via at least one beam identifier, and determine the AOD of the sending terminal based on the beam direction of the target scanning beam. Thus, the sending terminal can determine the AOD of the sending terminal by sending a scanning beam to the receiving terminal and according to the beam identifier.

[0121] Figure 6 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application.

[0122] like Figure 6 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0123] S501, receiving multiple scanning beams sent by a transmitting terminal.

[0124] It should be noted that for the AOD acquisition method in the embodiments of the present application, the execution entity is the receiving terminal. The receiving terminal includes, but is not limited to, mobile phones, computers, smart wearable devices, smart home appliances, vehicle-mounted terminals, etc., and no excessive limitations are imposed here.

[0125] In the embodiments of the present application, the receiving terminal can receive multiple scanning beams sent by the sending terminal. Optionally, an antenna array is provided on the receiving terminal, and the receiving terminal can receive the multiple scanning beams sent by the sending terminal through its own antenna array.

[0126] S502, measure the signal quality of each scanning beam.

[0127] In the embodiments of the present application, after the receiving terminal receives the multiple scanning beams sent by the sending terminal, it can measure the signal quality of each scanning beam.

[0128] Optionally, measuring the signal quality of each scanning beam may include measuring the reference signal receiving power (RSRP) and / or reference signal receiving quality (RSRQ) of each scanning beam.

[0129] S503, send at least one beam identifier to the sending terminal according to the signal quality of the multiple scanning beams.

[0130] In the embodiments of the present application, the receiving terminal can determine at least one scanning beam from the multiple scanning beams according to the signal quality of the multiple scanning beams, and then send the beam identifiers of the at least one scanning beam to the sending terminal.

[0131] It can be understood that each scanning beam can correspond to a beam identifier for distinguishing different scanning beams. Among them, the beam identifier can be in the form of numbers, characters, etc., and no excessive limitations are imposed here.

[0132] Optionally, the receiving terminal can determine the beam identifier of the scanning beam according to the sending position of the scanning beam. Among them, the sending position of the scanning beam can include the beam azimuth angle of the scanning beam. Continuing with Figure 2 as an example, the beam identifier of the scanning beam with a beam azimuth angle of 0° can be #0, the beam identifier of the scanning beam with a beam azimuth angle of 10° can be #1, the beam identifier of the scanning beam with a beam azimuth angle of 20° can be #2, and so on. The beam identifier of the scanning beam with a beam azimuth angle of 350° can be #35.

[0133] Optionally, each scanning beam carries its own beam identifier, and at this time, the receiving terminal can extract the beam identifier of the scanning beam from the scanning beam.

[0134] It can be understood that different scanning beams may correspond to different signal qualities. Optionally, the at least one beam identifier is selected based on the signal qualities of multiple scanning beams. For example, the at least one beam identifier may be a beam identifier corresponding to at least one scanning beam selected in descending order of the signal qualities of multiple scanning beams. Assuming that the transmitting terminal sends 10 scanning beams to the receiving terminal, the beam identifier of the scanning beam ranked 1 (i.e., the scanning beam with the best signal quality) may be selected in descending order of the signal qualities of the 10 scanning beams. At this time, the number of at least one beam identifier received by the transmitting end is one, which is the beam identifier of the scanning beam with the best signal quality among the 10 scanning beams. Alternatively, the beam identifiers of scanning beams ranked 1 to 3 may be selected. At this time, the number of at least one beam identifier received by the transmitting end is 3, which are the beam identifiers of the scanning beams ranked in the top 3 in terms of signal quality among the 10 scanning beams. Thus, the method can obtain the beam identifier of at least one scanning beam with better signal quality from multiple scanning beams.

[0135] According to the AOD acquisition method of the embodiment of the present application, the receiving terminal can receive multiple scanning beams sent by the transmitting terminal, and measure the signal quality of each scanning beam, and then send at least one beam identifier to the transmitting terminal according to the signal quality of the multiple scanning beams. Thus, the receiving terminal can send at least one beam identifier to the transmitting terminal, so that the transmitting terminal can determine the AOD of the transmitting terminal according to the beam identifier.

[0136] Figure 7 A schematic diagram of another AOD acquisition method provided in an embodiment of the present application.

[0137] like Figure 7 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0138] S601: receiving, according to an angle measurement period, a plurality of scanning beams periodically transmitted by a transmitting terminal.

[0139] It is understandable that, since the positions of the transmitting terminal and the receiving terminal may change, the AOD of the transmitting terminal may also change. In an embodiment of the present application, the receiving terminal may receive multiple scanning beams periodically sent by the transmitting terminal according to the angle measurement period, and the beam identifier may be re-determined at intervals of a fixed angle measurement period, so that the transmitting terminal can update the AOD of the transmitting terminal according to the re-determined beam identifier.

[0140] S602: Measure the signal quality of each scanning beam.

[0141] S603: Send at least one beam identifier to a transmitting terminal according to signal qualities of the multiple scanning beams.

[0142] The relevant contents of step S602 to step S603 can be found in the above embodiment and will not be repeated here.

[0143] According to the AOD acquisition method of the embodiment of the present application, the receiving terminal can receive multiple scanning beams periodically sent by the transmitting terminal according to the angle measurement period, and measure the signal quality of each scanning beam, and then send at least one beam identifier to the transmitting terminal according to the signal quality of the multiple scanning beams. Thus, the receiving terminal can receive multiple scanning beams periodically sent by the transmitting terminal according to the angle measurement period, and the beam identifier can be re-determined at intervals of a fixed angle measurement period, so that the transmitting terminal can update the AOD of the transmitting terminal according to the re-determined beam identifier, which helps to update the AOD of the transmitting terminal in a timely manner.

[0144] Figure 8 An interactive schematic diagram of an AOD acquisition method provided in an embodiment of the present application.

[0145] like Figure 8 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0146] S701, receiving in rounds the scanning beam after each round of scanning sent by the transmitting terminal.

[0147] It is understandable that, since the positions of the transmitting terminal and the receiving terminal may change, the AOD of the transmitting terminal may also change. In the embodiment of the present application, the receiving terminal may receive the scanning beam after each round of scanning sent by the transmitting terminal in turns, and each round of scanning may redetermine at least one beam identifier, so that the transmitting terminal can update the AOD of the transmitting terminal according to the at least one redetermined beam identifier, which helps to update the AOD of the transmitting terminal in a timely manner.

[0148] The scanning beam after each round of scanning sent by the transmitting terminal may be received in rounds, and the following two possible implementations may be included:

[0149] Method 1: According to the number of scanning rounds negotiated with the transmitting terminal, the scanning beam after each scanning round sent by the transmitting terminal is received.

[0150] In an embodiment of the present application, the receiving terminal may negotiate the number of scanning rounds with the transmitting terminal in advance, and receive the scanning beam after each scanning round sent by the transmitting terminal according to the number of scanning rounds negotiated with the transmitting terminal.

[0151] The number of scanning rounds may be negotiated and set according to actual conditions, for example, it may be set to 10 rounds.

[0152] For example, if the number of scanning rounds is 10, the receiving terminal may receive multiple scanning beams sent by the receiving terminal in each scanning round, and receive 10 rounds cumulatively.

[0153] Method 2: receiving indication information sent by the sending terminal, wherein the indication information is used to indicate whether there is a next round of scanning beam, and the indication information is sent by the sending terminal after each scan is completed or each time a beam identifier is received.

[0154] In an embodiment of the present application, the sending terminal may send indication information to the receiving terminal after each scan is completed or each time a beam identifier is received, and the indication information is used to indicate whether there is a next round of scanning beam. Further, the receiving terminal may receive the indication information sent by the sending terminal.

[0155] It is understandable that the receiving terminal may receive the scanning beam sent by the transmitting terminal after the next round of scanning in response to the indication information indicating that there is a next round of scanning beam. Conversely, the receiving terminal may stop receiving the scanning beam sent by the transmitting terminal after the next round of scanning in response to the indication information indicating that there is no next round of scanning beam.

[0156] Optionally, the indication information also includes the start time of the next round of scanning, and the receiving terminal can receive the scanning beam according to the start time of the next round of scanning.

[0157] Optionally, the beam identifier can be the beam identifier corresponding to the scanning beam with the best signal quality in each round of scanning. The beam identifier can be re-determined in each round of scanning so that the transmitting terminal can update the AOD of the transmitting terminal according to the re-determined beam identifier, which helps to update the AOD of the transmitting terminal in a timely manner.

[0158] S702: Measure the signal quality of each scanning beam.

[0159] S703: Send at least one beam identifier to a transmitting terminal according to signal qualities of the multiple scanning beams.

[0160] The relevant contents of step S702 to step S703 can be found in the above embodiment and will not be repeated here.

[0161] According to the AOD acquisition method of the embodiment of the present application, the receiving terminal receives the scanning beam after each round of scanning sent by the transmitting terminal in turns, and measures the signal quality of each scanning beam, and then sends at least one beam identifier to the transmitting terminal according to the signal quality of multiple scanning beams. Thus, the receiving terminal can receive the scanning beam after each round of scanning sent by the transmitting terminal in turns, and the beam identifier can be re-determined in each round of scanning, so that the transmitting terminal can update the AOD of the transmitting terminal according to the re-determined beam identifier, which helps to update the AOD of the transmitting terminal in a timely manner.

[0162] Fig. 9 A schematic diagram of an AOD acquisition method provided in an embodiment of the present application.

[0163] like Fig. 9 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0164] S801: Receive a capability negotiation request sent by a transmitting terminal, where the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement.

[0165] In an embodiment of the present application, before receiving multiple scanning beams sent by the transmitting terminal, the receiving terminal may receive a capability negotiation request sent by the transmitting terminal, where the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement.

[0166] S802: Send a capability negotiation request response to the transmitting terminal, where the negotiation request response is used to indicate that the receiving terminal supports beam-based AOD angle measurement.

[0167] In an embodiment of the present application, the receiving terminal may send a capability negotiation request response to the sending terminal, and the negotiation request response indicates that the receiving terminal supports beam-based AOD angle measurement, indicating that the AOD acquisition method of the terminal in an embodiment of the present application can be applied to the receiving terminal, and the following steps S803-S807 can be continued.

[0168] As another possible implementation, the negotiation request response indicates that the receiving terminal does not support beam-based AOD angle measurement, indicating that the AOD acquisition method of the terminal in the embodiment of the present application is not applicable to the receiving terminal, and there is no need to continue to execute the following steps S803-S807.

[0169] Optionally, the capability negotiation request may be received or the capability negotiation request response may be sent via a User Equipment Capability Enquiry Sidelink or a User Equipment Capability Information Sidelink.

[0170] S803: Negotiate angle measurement parameters of AOD with the transmitting terminal.

[0171] In an embodiment of the present application, before receiving the multiple scanning beams sent by the transmitting terminal, the receiving terminal may negotiate the angle measurement parameters of the AOD with the transmitting terminal. It can be understood that the angle measurement parameters are used to instruct the transmitting terminal to send multiple scanning beams to the receiving terminal.

[0172] Optionally, the angle measurement parameters include one or more of the following parameters: the number of scanning beams sent, the scanning interval, the number of returned beam identifiers, the number of scanning rounds, the scanning interval of each round and the number of scanning beams in each round of scanning, the time-frequency resource information used by the scanning beams, and the angle measurement period for triggering the angle measurement.

[0173] Among them, the scanning interval may include the time interval between adjacent scanning beams sent, the scanning interval of each round may include the time interval between two adjacent scanning beams sent, and the time-frequency resource information used by the scanning beam may include the resource pool used by the scanning beam, the start time of the scanning beam, etc.

[0174] Optionally, one of the following methods may be used to negotiate the angle measurement parameters of the AOD with the transmitting terminal:

[0175] Method 1: receiving an angle measurement request sent by a sending terminal, wherein the angle measurement request carries an angle measurement parameter.

[0176] Method 2: Send an angle measurement request response to the sending terminal, wherein the angle measurement request response carries angle measurement parameters.

[0177] Optionally, the above-mentioned angle measurement request or angle measurement request response can be sent via a radio resource control (RRC) message (abbreviated as "PC5-RRC") corresponding to the link interface (PC5) between terminals or a signaling protocol (Signalling Protocol) message (abbreviated as "PC5-S") corresponding to the link interface (PC5) between terminals.

[0178] Mode 3: receiving resource scheduling information sent by a sending terminal, wherein the resource scheduling information includes angle measurement parameters.

[0179] Optionally, a resource pool is pre-configured for the sending terminal, and the sending terminal can schedule resources from the resource pool according to certain resource scheduling rules. In order to ensure information transmission with the receiving terminal, corresponding resource scheduling information can be sent to the receiving terminal.

[0180] Mode 4: receiving negotiation indication information sent by the sending terminal, wherein the negotiation indication information carries angle measurement parameters.

[0181] Optionally, the angle measurement request, angle measurement request response, resource scheduling information, and negotiation indication information in the above four methods may all be sent via Radio Resource Control (RRC) signaling or other signaling.

[0182] S804, receiving multiple scanning beams sent by the transmitting terminal.

[0183] S805: Measure the signal quality of each scanning beam.

[0184] S806: Send at least one beam identifier to a transmitting terminal according to signal qualities of the multiple scanning beams.

[0185] The relevant contents of step S804 to step S806 can be found in the above embodiment and will not be repeated here.

[0186] S807, sending the measurement result of the scanning beam to the transmitting terminal, where the measurement result includes reference signal received power RSRP and / or reference signal received quality RSRQ.

[0187] In an embodiment of the present application, after the receiving terminal sends at least one beam identifier to the transmitting terminal, the receiving terminal may also send a measurement result of the scanning beam to the transmitting terminal, wherein the measurement result includes a reference signal receiving power (RSRP) and / or a reference signal receiving quality (RSRQ).

[0188] According to the AOD acquisition method of the embodiment of the present application, the receiving terminal may receive a capability negotiation request sent by the transmitting terminal, and then send a capability negotiation request response to the transmitting terminal, wherein the negotiation request response is used to indicate that the receiving terminal supports beam-based AOD angle measurement, and then negotiate the angle measurement parameters of AOD with the transmitting terminal, and then receive multiple scanning beams sent by the transmitting terminal, and measure the signal quality of each scanning beam, and then send at least one beam identifier to the transmitting terminal based on the signal quality of the multiple scanning beams, and can also send the measurement results of the scanning beams to the transmitting terminal, wherein the measurement results include reference signal received power RSRP and / or reference signal received quality RSRQ. Thus, the receiving terminal can send at least one beam identifier to the transmitting terminal, so that the transmitting terminal can determine the AOD of the transmitting terminal based on the beam identifier.

[0189] Fig.10 An interactive schematic diagram of an AOD acquisition method provided in an embodiment of the present application.

[0190] like Fig.10 As shown, the AOD acquisition method of the embodiment of the present application includes the following steps:

[0191] S901: A transmitting terminal sends a capability negotiation request to a receiving terminal, wherein the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement.

[0192] S902: The receiving terminal sends a capability negotiation request response to the sending terminal, where the negotiation request response is used to indicate whether the receiving terminal supports beam-based AOD angle measurement.

[0193] In an embodiment of the present application, the receiving terminal may send a capability negotiation request response to the sending terminal, and the negotiation request response indicates that the receiving terminal supports beam-based AOD angle measurement, indicating that the AOD acquisition method of an embodiment of the present application can be applied to the receiving terminal, and the following steps S903-S908 can be continued.

[0194] As another possible implementation, the negotiation request response indicates that the receiving terminal does not support beam-based AOD angle measurement, indicating that the AOD acquisition method of the embodiment of the present application is not applicable to the receiving terminal, and there is no need to continue to perform the following steps S903-S908.

[0195] S903: The transmitting terminal negotiates with the receiving terminal about angle measurement parameters of the AOD.

[0196] S904: The transmitting terminal sends multiple scanning beams to the receiving terminal.

[0197] S905: The receiving terminal measures the signal quality of each scanning beam.

[0198] S906: The receiving terminal sends at least one beam identifier to the transmitting terminal according to the signal qualities of the multiple scanning beams.

[0199] S907, the receiving terminal sends the measurement result of the scanning beam to the transmitting terminal, where the measurement result includes reference signal received power RSRP and / or reference signal received quality RSRQ.

[0200] S908. The transmitting terminal determines a target scanning beam based on at least one beam identifier, and determines an AOD of the transmitting terminal based on the target scanning beam.

[0201] The relevant contents of step S901 to step S908 can be found in the above embodiment and will not be repeated here.

[0202] In the embodiments of the present application, direct communication between devices is supported in the Long Term Evolution (LTE) network and the New Radio (NR). Devices can communicate directly based on the sidelink technology. The sidelink interface between two terminals is called the PC5 interface. The PC5 interface supports two protocols, including the Radio Resource Control (RRC) protocol corresponding to PC5 (referred to as "PC5-RRC" protocol) and the Signaling Protocol (referred to as "PC5-S" protocol) corresponding to PC5.

[0203] The PC5 interface supports communication modes such as broadcast, multicast and unicast.

[0204] When terminals A and B establish communication through the unicast communication mode of the PC5 interface, both terminals A and B can determine their own target identifiers for reception. The vehicle-to-everything (V2X) application layer of terminal A can provide the service type of the V2X application to the PC5 protocol layer. Then, terminal A can send a Direct Communication Request to terminal B, and terminal B can feedback a Security Establishment Message to terminal A. After that, both terminals A and B perform security establishment. Then, terminal A can send Internet Protocol (IP) address configuration information to terminal B, and terminal B can feedback a Direct Communication Accept message to terminal A. Finally, both terminals A and B can provide the PC5 interface identifier to the Application Server (AS) to establish communication between terminals A and B.

[0205] Corresponding to the AOD acquisition methods provided in the above several embodiments, the present application also provides an AOD acquisition device. Since the AOD acquisition device provided in the embodiments of the present application corresponds to the AOD acquisition method provided in the above Figure 1-Figure 5 embodiments, the implementation manners of the AOD acquisition method are also applicable to the AOD acquisition device provided in this embodiment and will not be described in detail in this embodiment. Figure 11-Figure 12 It is a schematic structural diagram of the AOD acquisition device proposed according to the present application.

[0206] Fig.11 It is a schematic structural diagram of the AOD acquisition device provided in the embodiments of the present application.

[0207] As Fig.11 shown, the AOD acquisition device 100 includes: a beam transmission module 110, an identifier reception module 120, and a determination module 130, where:

[0208] The beam transmission module 110 is configured to send multiple scanning beams to a receiving terminal;

[0209] The identifier reception module 120 is configured to receive at least one beam identifier, where the at least one beam identifier is determined according to the signal quality of the multiple scanning beams;

[0210] The determination module 130 is configured to determine a target scanning beam based on the unique beam identifier obtained via the at least one beam identifier, and determine the AOD of the sending terminal based on the target scanning beam.

[0211] Optionally, the at least one beam identifier is a beam identifier selected in descending order of signal quality of the multiple scanning beams.

[0212] Optional, such as Fig.12 As shown, the beam sending module 110 includes: a first beam sending unit 1101, and the first beam sending unit 1101 is configured to periodically send the multiple scanning beams to the receiving terminal according to an angle measurement period.

[0213] Optional, such as Fig.12 As shown, the beam sending module 110 includes: a second beam sending unit 1102, and the second beam sending unit 1102 is configured to perform beam scanning in rounds and send the scanning beam of each round of scanning to the receiving terminal.

[0214] Optionally, the second beam sending unit 1102 is further configured to: perform beam scanning according to the number of scanning rounds negotiated with the receiving terminal; or, send indication information to the receiving terminal after each scan or each time the beam identifier is received, wherein the indication information is used to indicate whether there is a next round of scanning beam.

[0215] Optionally, the indication information also includes the start time of the next round of scanning.

[0216] Optionally, the beam identifier is the beam identifier corresponding to the scanning beam with the best signal quality in each round of scanning, and the second beam sending unit 1102 includes: a first determination subunit, configured to determine the first beam azimuth of the scanning beam in the next round based on the beam identifier received in the previous round and the current round number; and a scanning subunit, configured to perform the next round of beam scanning according to the first beam azimuth.

[0217] Optionally, the second beam sending unit 1102 also includes: a second determination subunit, configured to determine the second beam azimuth of the scanning beam based on the scanning beam identified by the beam identifier and the current round number; a division subunit, configured to divide the second beam azimuth according to the number of beams required to be scanned in each round, and determine the first beam azimuth for the next round.

[0218] Optionally, the beam identifier of each scanning beam is determined according to a sending position of the corresponding scanning beam, or each scanning beam carries its own beam identifier.

[0219] Optional, such as Fig.12As shown, the AOD acquisition device 100 also includes: a result receiving module 140, and the result receiving module 140 is configured to receive the measurement result of the scanning beam, wherein the measurement result includes a reference signal received power RSRP and / or a reference signal received quality RSRQ.

[0220] Optional, such as Fig.12 As shown, the AOD acquisition device 100 also includes: a first parameter negotiation module 150, which is configured to negotiate the angle measurement parameters of the AOD with the receiving terminal in one of the following ways before sending multiple scanning beams to the receiving terminal: sending an angle measurement request to the receiving terminal, wherein the angle measurement parameter is carried in the angle measurement request; or, receiving an angle measurement request response sent by the receiving terminal, wherein the angle measurement parameter is carried in the angle measurement request response; or, sending resource scheduling information to the receiving terminal, wherein the resource scheduling information includes the angle measurement parameter; or, sending negotiation indication information to the receiving terminal, wherein the negotiation indication information carries the angle measurement parameter.

[0221] Optionally, the angle measurement parameters include one or more of the following parameters: the number of the scanning beams sent, the scanning interval, the number of the beam identifiers returned, the number of scanning rounds, the scanning interval of each round and the number of the scanning beams scanned in each round, the time-frequency resource information used by the scanning beams, and the angle measurement period for triggering angle measurement.

[0222] Optional, such as Fig.12 As shown, the AOD acquisition device 100 also includes: a first capability negotiation module 160, and the first capability negotiation module 160 includes: a request sending unit 1601, configured to send a capability negotiation request to the receiving terminal, wherein the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement; a response receiving unit 1602, configured to receive a capability negotiation request response sent by the receiving terminal, wherein the negotiation request response is used to indicate whether the receiving terminal supports beam-based AOD angle measurement.

[0223] Optionally, the first capability negotiation module 160 is configured to send the capability negotiation request or receive the capability negotiation request response via a terminal capability request side link or a terminal capability information side link.

[0224] The AOD acquisition device of the embodiment of the present application can send multiple scanning beams to the receiving terminal, and then receive at least one beam identifier, wherein at least one beam identifier is determined according to the signal quality of the multiple scanning beams, and then the target scanning beam is determined based on the unique beam identifier obtained through the at least one beam identifier, and the AOD of the transmitting terminal is determined based on the target scanning beam. Thus, the transmitting terminal can acquire AOD in the Long Term Evolution LTE network, the New Radio NR, and any appropriate communication network of any generation by sending a scanning beam to the receiving terminal and determining the AOD of the transmitting terminal according to the unique beam identifier.

[0225] Corresponding to the AOD acquisition methods provided in the above embodiments, the present application also provides an AOD acquisition device. Figure 6-Figure 9 The AOD acquisition method provided in the embodiment corresponds to the AOD acquisition method, so the implementation of the AOD acquisition method is also applicable to the AOD acquisition device provided in this embodiment, and will not be described in detail in this embodiment. Figure 13-14 It is a structural schematic diagram of the AOD acquisition device proposed in this application.

[0226] Fig.13 This is a schematic diagram of the structure of the AOD acquisition device provided in an embodiment of the present application.

[0227] like Fig.13 As shown, the AOD acquisition device 200 includes: a beam receiving module 210 , a quality measurement module 220 and an identification sending module 230 .

[0228] The beam receiving module 210 is configured to receive multiple scanning beams sent by the transmitting terminal;

[0229] The quality measurement module 220 is configured to measure the signal quality of each of the scanning beams;

[0230] The identification sending module 230 is configured to send at least one beam identification to the transmitting terminal according to the signal qualities of the multiple scanning beams.

[0231] Optionally, the at least one beam identifier is a beam identifier selected in descending order of signal quality of the multiple scanning beams.

[0232] Optional, such as Fig.14 As shown, the beam receiving module 210 includes: a first beam receiving unit 2101, and the first beam receiving unit 2101 is configured to receive the multiple scanning beams periodically sent by the transmitting terminal according to an angle measurement period.

[0233] Optional, such as Fig.14As shown, the beam receiving module 210 includes: a second beam receiving unit 2102, and the second beam receiving unit 2102 receives the scanning beam after each round of scanning sent by the transmitting terminal in rounds.

[0234] Optionally, the second beam receiving unit 2102 is further configured to receive the scanning beam sent by the transmitting terminal after each round of scanning according to the number of scanning rounds negotiated with the transmitting terminal; or, to receive indication information sent by the transmitting terminal, wherein the indication information is used to indicate whether there is a next round of scanning beam; the indication information is sent by the transmitting terminal after each scan is completed or after each time at least one beam identifier is received; in response to the indication information indicating the existence of the next round of scanning beam, receive the scanning beam sent by the transmitting terminal after the next round of scanning.

[0235] Optionally, the indication information also includes the start time of the next round of scanning.

[0236] Optionally, the beam identifier is a beam identifier corresponding to the scanning beam with the best signal quality among the scanning beams in each round of scanning.

[0237] Optional, such as Fig.14 As shown, the AOD acquisition device 200 further includes: an identification determination module 240, and the identification determination module 240 is configured to determine the beam identification of the scanning beam according to the transmission position of the scanning beam; or, to extract the beam identification of the scanning beam from the scanning beam.

[0238] Optional, such as Fig.14 As shown, the AOD acquisition device 200 also includes: a result sending module 250, and the result sending module 250 is configured to send the measurement result of the scanning beam to the transmitting terminal, wherein the measurement result includes a reference signal received power RSRP and / or a reference signal received quality RSRQ.

[0239] Optional, such as Fig.14As shown, the AOD acquisition device 200 also includes: a second parameter negotiation module 260, which is configured to negotiate the angle measurement parameters of the AOD with the sending terminal in one of the following ways before receiving the multiple scanning beams sent by the sending terminal: receiving an angle measurement request sent by the sending terminal, wherein the angle measurement parameter is carried in the angle measurement request; or, sending an angle measurement request response to the sending terminal, wherein the angle measurement parameter is carried in the angle measurement request response; or, receiving resource scheduling information sent by the sending terminal, wherein the resource scheduling information includes the angle measurement parameter; or, receiving negotiation indication information sent by the sending terminal, wherein the negotiation indication information carries the angle measurement parameter.

[0240] Optionally, the angle measurement parameters include one or more of the following parameters: the number of the scanning beams sent, the scanning interval, the number of the beam identifiers returned, the number of scanning rounds, the scanning interval of each round and the number of the scanning beams scanned in each round, the time-frequency resource information used by the scanning beams, and the angle measurement period for triggering angle measurement.

[0241] Optional, such as Fig.14 As shown, the AOD acquisition device 200 also includes: a second capability negotiation module 270, and the second capability negotiation module 270 includes: a request receiving unit 2701, configured to receive a capability negotiation request sent by the sending terminal, wherein the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement; a response sending unit 2702, configured to send a capability negotiation request response to the sending terminal, wherein the negotiation request response is used to indicate whether the receiving terminal supports beam-based AOD angle measurement.

[0242] Optionally, the second capability negotiation module 270 is configured to receive the capability negotiation request or send the capability negotiation request response via a terminal capability request side link or a terminal capability information side link.

[0243] According to the AOD acquisition device of the embodiment of the present application, multiple scanning beams sent by the transmitting terminal can be received, and the signal quality of each scanning beam can be measured, and then at least one beam identifier can be sent to the transmitting terminal according to the signal quality of the multiple scanning beams. Thus, at least one beam identifier can be sent to the transmitting terminal, so that the transmitting terminal can determine the AOD of the transmitting terminal according to the beam identifier.

[0244] According to an embodiment of the present application, the present application also provides a communication device and a readable storage medium.

[0245] like Fig.15, is a block diagram of a communication device according to an embodiment of the present application. The communication device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workbenches, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The communication device can also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present application described and / or required herein.

[0246] like Fig.15 As shown, the communication device includes: one or more processors 1100, a memory 1200, and interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. The various components are connected to each other using different buses and can be installed on a common mainboard or installed in other ways as needed. The processor can process instructions executed in the communication device, including instructions stored in or on the memory to display graphical information of a GUI on an external input / output device (such as a display device coupled to the interface). In other embodiments, if necessary, multiple processors and / or multiple buses can be used together with multiple memories and multiple memories. Similarly, multiple communication devices can be connected, and each device provides some necessary operations (for example, as a server array, a group of blade servers, or a multi-processor system). Fig.15 A processor 1100 is taken as an example.

[0247] The memory 1200 is a non-transient computer-readable storage medium provided in the present application. The memory stores instructions executable by at least one processor to enable the at least one processor to perform the AOD acquisition method provided in the present application. The non-transient computer-readable storage medium of the present application stores computer instructions, which are used to enable a computer to perform the AOD acquisition method provided in the present application.

[0248] The memory 1200 is a non-transient computer-readable storage medium that can be used to store non-transient software programs, non-transient computer executable programs and modules, such as program instructions / modules corresponding to the AOD acquisition method in the embodiment of the present application (for example, the attached Fig.11 The processor 1100 executes various functional applications and data processing of the server by running the non-transient software programs, instructions and modules stored in the memory 1200, that is, the AOD acquisition method in the above method embodiment is implemented.

[0249] The memory 1200 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application required by at least one function; the data storage area may store data created according to the use of the positioning communication device, etc. In addition, the memory 1200 may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. Optionally, the memory 1200 may optionally include a memory remotely arranged relative to the processor 1100, and these remote memories may be connected to the positioning communication device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0250] The communication device may further include: an input device 1300 and an output device 1400. The processor 1100, the memory 1200, the input device 1300 and the output device 1400 may be connected via a bus or other means. Fig.11 The example of connecting through bus is taken in the following.

[0251] The input device 1300 can receive input digital or character information, and generate key signal input related to user settings and function control of the positioning communication device, such as a touch screen, a keypad, a mouse, a track pad, a touch pad, an indicator rod, one or more mouse buttons, a trackball, a joystick, and other input devices. The output device 1400 may include a display device, an auxiliary lighting device (e.g., an LED), and a tactile feedback device (e.g., a vibration motor). The display device may include, but is not limited to, a liquid crystal display (LCD), a light emitting diode (LED) display, and a plasma display. In some embodiments, the display device may be a touch screen.

[0252] Various implementations of the systems and techniques described herein can be realized in digital electronic circuit systems, integrated circuit systems, dedicated ASICs (application specific integrated circuits), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0253] These computer programs (also referred to as programs, software, software applications, or code) include machine instructions for programmable processors and can be implemented using high-level procedural and / or object-oriented programming languages, and / or assembly / machine languages. As used herein, the terms "machine-readable medium" and "computer-readable medium" refer to any computer program product, device, and / or means (e.g., disk, optical disk, memory, programmable logic device (PLD)) for providing machine instructions and / or data to a programmable processor, including a machine-readable medium that receives machine instructions as a machine-readable signal. The term "machine-readable signal" refers to any signal for providing machine instructions and / or data to a programmable processor.

[0254] To provide interaction with a user, the systems and techniques described herein can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and pointing device (e.g., a mouse or trackball) through which the user can provide input to the computer. Other types of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including acoustic input, voice input, or tactile input).

[0255] The systems and techniques described herein may be implemented in a computing system that includes back-end components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes front-end components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such back-end components, middleware components, or front-end components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), and the Internet.

[0256] A computer system may include clients and servers. Clients and servers are generally remote from each other and usually interact through a communication network. The relationship of client and server is generated by computer programs running on respective computers and having a client-server relationship to each other.

[0257] According to the AOD acquisition method of the embodiment of the present application, the transmitting terminal may send multiple scanning beams to the receiving terminal, and then receive at least one beam identifier, wherein at least one beam identifier is determined according to the signal quality of the multiple scanning beams, and then the target scanning beam is determined based on the unique beam identifier obtained through at least one beam identifier, and the AOD of the transmitting terminal is determined based on the target scanning beam. Thus, the transmitting terminal can acquire AOD in the Long Term Evolution LTE network, the New Radio NR, and any appropriate communication network of any generation by sending a scanning beam to the receiving terminal and determining the AOD of the transmitting terminal according to the beam identifier.

[0258] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps recorded in this application can be executed in parallel, sequentially or in different orders, as long as the expected results of the technical solution disclosed in this application can be achieved, and this document is not limited here.

[0259] The above specific implementations do not constitute a limitation on the protection scope of this application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included in the protection scope of this application.

Claims

1. A method for obtaining AOD, It is characterized in that include: sending a plurality of scanning beams to a receiving terminal; receiving at least one beam identifier, wherein the at least one beam identifier is determined based on signal qualities of the plurality of scanning beams; Determining a target scanning beam based on the at least one beam identifier, and determining an AOD of a transmitting terminal based on the target scanning beam; Before sending a plurality of scanning beams to the receiving terminal, the method further includes: Sending a capability negotiation request to the receiving terminal, wherein the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement; A capability negotiation request response is received from the receiving terminal, wherein the negotiation request response is used to indicate whether the receiving terminal supports beam-based AOD angle measurement.

2. The AOD acquisition method according to claim 1, It is characterized in that Determining the target scanning beam based on the at least one beam identifier specifically includes: obtaining a unique beam identifier based on the at least one beam identifier, and determining the target scanning beam based on the unique beam identifier.

3. The AOD acquisition method according to claim 2, It is characterized in that The at least one beam identifier is a beam identifier selected in descending order of signal quality of the plurality of scanning beams.

4. The AOD acquisition method according to claim 1, It is characterized in that The sending of multiple scanning beams to the receiving terminal includes: The multiple scanning beams are periodically sent to the receiving terminal according to an angle measurement period.

5. The AOD acquisition method according to claim 1, It is characterized in that The sending of multiple scanning beams to the receiving terminal includes: The beam scanning is performed in rounds, and the scanning beam of each scanning round is sent to the receiving terminal.

6. The AOD acquisition method according to claim 5, It is characterized in that in, The beam scanning is performed in a round manner, comprising: Perform beam scanning according to the number of scanning rounds negotiated with the receiving terminal; or, After each scan is completed or after each beam identifier is received, indication information is sent to the receiving terminal, wherein the indication information is used to indicate whether there is a next round of scanning beam.

7. The AOD acquisition method according to claim 6, It is characterized in that in, The indication information also includes the start time of the next round of scanning.

8. The AOD acquisition method according to any one of claims 5 to 7, It is characterized in that The beam identifier is a beam identifier corresponding to the scanning beam with the best signal quality among the scanning beams in each round of scanning, wherein the beam scanning in rounds includes: Determining a first beam azimuth of the scanning beam in a next round according to the beam identifier received in the previous round and the current round number; The next round of beam scanning is performed according to the first beam azimuth angle.

9. The AOD acquisition method according to claim 7, It is characterized in that Also includes: Determining a second beam azimuth of the scanning beam according to the scanning beam identified by the beam identifier and the current round number; The second beam azimuth is divided according to the number of beams required to be scanned in each round to determine the first beam azimuth of the next round.

10. The AOD acquisition method according to claim 1, It is characterized in that The beam identifier of each scanning beam is determined according to the sending position of the corresponding scanning beam, or each scanning beam carries its own beam identifier.

11. The AOD acquisition method according to claim 1, It is characterized in that Also includes: Receive a measurement result of the scanning beam, wherein the measurement result includes a reference signal received power RSRP and / or a reference signal received quality RSRQ.

12. The AOD acquisition method according to claim 1, It is characterized in that Before sending a plurality of scanning beams to the receiving terminal, the method further includes: Negotiate the angle measurement parameters of the AOD with the receiving terminal in one of the following ways: sending an angle measurement request to the receiving terminal, wherein the angle measurement request carries the angle measurement parameter; or receiving an angle measurement request response sent by the receiving terminal, wherein the angle measurement request response carries the angle measurement parameter; or, sending resource scheduling information to the receiving terminal, wherein the resource scheduling information includes the angle measurement parameter; or, Sending negotiation indication information to the receiving terminal, wherein the negotiation indication information carries the angle measurement parameter.

13. The AOD acquisition method according to claim 12, It is characterized in that The angle measurement parameters include one or more of the following parameters: The number of the scanning beams sent, the scanning interval, the number of the beam identifiers returned, the number of scanning rounds, the scanning interval of each round and the number of the scanning beams scanned in each round, the time-frequency resource information used by the scanning beams, and the angle measurement period for triggering angle measurement.

14. The AOD acquisition method according to claim 1, It is characterized in that The capability negotiation request is sent or the capability negotiation request response is received via a terminal capability request side link or a terminal capability information side link.

15. A method for obtaining AOD, It is characterized in that include: receiving a plurality of scanning beams sent by a transmitting terminal; Measuring the signal quality of each of the scanning beams; Sending at least one beam identifier to the transmitting terminal according to signal qualities of the multiple scanning beams; Before receiving the multiple scanning beams sent by the transmitting terminal, the method further includes: Receiving a capability negotiation request sent by the sending terminal, wherein the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement; A capability negotiation request response is sent to the sending terminal, wherein the negotiation request response is used to indicate whether the receiving terminal supports beam-based AOD angle measurement.

16. The AOD acquisition method according to claim 15, It is characterized in that The at least one beam identifier is at least one beam identifier selected in descending order of signal quality of the plurality of scanning beams.

17. The AOD acquisition method according to claim 15, It is characterized in that The receiving and transmitting terminal transmits a plurality of scanning beams, including: The multiple scanning beams periodically transmitted by the transmitting terminal are received according to an angle measurement period.

18. The AOD acquisition method according to claim 15, It is characterized in that The receiving and transmitting terminal transmits a plurality of scanning beams, including: The scanning beam after each round of scanning sent by the transmitting terminal is received in rounds.

19. The AOD acquisition method according to claim 18, It is characterized in that in, The step of receiving the scanning beam after each round of scanning sent by the transmitting terminal in rounds includes: receiving the scanning beam after each round of scanning sent by the transmitting terminal according to the number of scanning rounds negotiated with the transmitting terminal; or, Receiving indication information sent by the sending terminal, wherein the indication information is used to indicate whether there is a next round of scanning beam; the indication information is sent by the sending terminal after each scanning is completed or after each receiving the beam identifier; In response to the indication information indicating that there is a next round of scanning beams, the scanning beams sent by the transmitting terminal after the next round of scanning are received.

20. The AOD acquisition method according to claim 19, It is characterized in that in, The indication information also includes the start time of the next round of scanning.

21. The AOD acquisition method according to any one of claims 18 to 20, It is characterized in that The beam identifier is a beam identifier corresponding to the scanning beam with the best signal quality among the scanning beams in each round of scanning.

22. The AOD acquisition method according to claim 15, It is characterized in that Also includes: Determining a beam identifier of the scanning beam according to a transmission position of the scanning beam; or, A beam identifier of the scanning beam is extracted from the scanning beam.

23. The AOD acquisition method according to claim 15, It is characterized in that Also includes: Sending the measurement result of the scanning beam to the transmitting terminal, wherein the measurement result includes reference signal received power RSRP and / or reference signal received quality RSRQ.

24. The AOD acquisition method according to claim 15, It is characterized in that Before receiving the multiple scanning beams sent by the transmitting terminal, the method further includes: The angle measurement parameters of the AOD are negotiated with the transmitting terminal in one of the following ways: receiving an angle measurement request sent by the sending terminal, wherein the angle measurement request carries the angle measurement parameter; or, sending an angle measurement request response to the sending terminal, wherein the angle measurement request response carries the angle measurement parameter; or, receiving resource scheduling information sent by the sending terminal, wherein the resource scheduling information includes the angle measurement parameter; or, receiving negotiation indication information sent by the sending terminal, wherein the negotiation indication information carries the angle measurement parameter.

25. The AOD acquisition method according to claim 24, It is characterized in that The angle measurement parameters include one or more of the following parameters: The number of the scanning beams sent, the scanning interval, the number of the beam identifiers returned, the number of scanning rounds, the scanning interval of each round and the number of the scanning beams scanned in each round, the time-frequency resource information used by the scanning beams, and the angle measurement period for triggering angle measurement.

26. The AOD acquisition method according to claim 15, It is characterized in that The capability negotiation request is received or the capability negotiation request response is sent via a terminal capability request side link or a terminal capability information side link.

27. An AOD acquisition device, It is characterized in that include: A beam sending module, configured to send a plurality of scanning beams to a receiving terminal; an identification receiving module, configured to receive at least one beam identification, wherein the at least one beam identification is determined according to signal qualities of the plurality of scanning beams; A determination module, configured to determine a target scanning beam based on the at least one beam identifier, and determine an AOD of a transmitting terminal based on the target scanning beam; Before sending the multiple scanning beams to the receiving terminal, the apparatus is further used for: Sending a capability negotiation request to the receiving terminal, wherein the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement; A capability negotiation request response is received from the receiving terminal, wherein the negotiation request response is used to indicate whether the receiving terminal supports beam-based AOD angle measurement.

28. An AOD acquisition device, It is characterized in that include: A beam receiving module, configured to receive a plurality of scanning beams sent by a transmitting terminal; A quality measurement module, configured to measure the signal quality of each of the scanning beams; an identification sending module, configured to send at least one beam identification to the transmitting terminal according to the signal qualities of the multiple scanning beams; Before receiving the multiple scanning beams sent by the transmitting terminal, the device is also used for: Receiving a capability negotiation request sent by the sending terminal, wherein the capability negotiation request is used to negotiate whether the receiving terminal supports beam-based AOD angle measurement; A capability negotiation request response is sent to the sending terminal, wherein the negotiation request response is used to indicate whether the receiving terminal supports beam-based AOD angle measurement.

29. A communication device, It is characterized in that include: at least one processor; as well as a memory communicatively connected to the at least one processor; wherein, The memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the method of any one of claims 1 to 14 or 15 to 26.

30. A computer storage medium, It is characterized in that The computer storage medium stores computer executable instructions, and after the computer executable instructions are executed by the processor, the method described in any one of claims 1 to 14 or 15 to 26 can be implemented.

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