Communication methods, communication device, communication system, storage medium, and program product
By enabling information exchange between the terminal and network devices, and autonomously activating or deactivating fast beam switching based on location and mobility conditions, the problem of Layer 3 measurement delay in the millimeter-wave band is solved, thereby improving communication efficiency and reducing signaling overhead.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- BEIJING XIAOMI MOBILE SOFTWARE CO LTD
- Filing Date
- 2024-11-18
- Publication Date
- 2026-05-21
AI Technical Summary
Existing technologies have failed to effectively address how terminals can autonomously activate or deactivate fast beam switching to reduce layer 3 measurement delay, especially in millimeter-wave bands where signal coverage is narrow and beam alignment requirements are high.
Terminals and network devices can autonomously activate or deactivate fast beam switching based on preset conditions, such as terminal location, mobility, and DRX cycle, by receiving and sending instruction information, in order to reduce L3 measurement latency.
By autonomously controlling rapid beam switching, layer 3 measurement latency is reduced, communication efficiency is improved, and signaling overhead is reduced.
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Figure CN2024132809_21052026_PF_FP_ABST
Abstract
Description
Communication methods, communication equipment, communication systems, storage media and software products Technical Field
[0001] This disclosure relates to the field of wireless communication, and more particularly to a communication method, communication device, communication system, storage medium, and program product. Background Technology
[0002] Fast beam sweeping (FBS) is a key technology in beam management, allowing base stations and terminals to quickly identify and adjust to the optimal beam to ensure effective communication connectivity. This technology is particularly important in bands such as millimeter wave (mmWave) because these bands have narrower signal coverage and require more precise beam alignment. Summary of the Invention
[0003] How to enable or deactivate fast beam switching autonomously on the terminal is a problem that needs to be solved.
[0004] This disclosure provides a communication method, communication device, communication system, storage medium, and program product.
[0005] According to a first aspect of the present disclosure, a communication method is provided, executed by a terminal. The method includes: receiving indication information sent by a network device, the indication information indicating at least one condition; and activating or deactivating fast beam switching based on the at least one condition.
[0006] According to a second aspect of the present disclosure, a communication method is provided, performed by a network device. The method includes: sending indication information to a terminal, the indication information indicating at least one condition, the at least one condition being used to trigger the terminal to activate or deactivate fast beam switching.
[0007] According to a third aspect of the present disclosure, a terminal is provided, the terminal comprising: a transceiver module configured to receive indication information sent by a network device, the indication information indicating at least one condition; and a processing module configured to activate or deactivate fast beam switching based on at least one condition.
[0008] According to a fourth aspect of the present disclosure, a network device is provided. The network device includes: a transceiver module configured to send indication information to a terminal, the indication information indicating at least one condition, the at least one condition being used to trigger the terminal to activate or deactivate fast beam switching.
[0009] According to a fifth aspect of the present disclosure, a communication device is provided. The communication device includes one or more processors. The communication device is used to perform the steps of the communication method as described in the first or second aspect.
[0010] According to a sixth aspect of the present disclosure, a communication system is provided. The communication system includes a terminal and a network device, wherein the terminal is configured to perform the steps of the communication method as described in the first aspect; and the network device is configured to perform the steps of the communication method as described in the second aspect.
[0011] According to a seventh aspect of the present disclosure, a computer-readable storage medium is provided that stores a computer program thereon, wherein the computer program, when executed by a processor, implements the steps of the communicating parties as described in the first or second aspect.
[0012] According to an eighth aspect of the present disclosure, a computer program product is provided, comprising a computer program that, when executed by a processor, implements the steps of the communication method as described in the first or second aspect.
[0013] According to a ninth aspect of the present disclosure, a computer program is provided. When the computer program is run on a computer, it causes the computer to perform the steps of the communication method as described in the first or second aspect.
[0014] According to a tenth aspect of this disclosure, a chip or chip system is provided. The chip or chip system includes processing circuitry. The processing circuitry is configured to perform steps of the communication method as described in the first or second aspect.
[0015] According to embodiments of this disclosure, the terminal autonomously activates or deactivates fast beam switching to reduce layer 3 (L3) measurement latency.
[0016] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not constitute a limitation on the embodiments of this disclosure. Attached Figure Description
[0017] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments of the invention.
[0018] Figure 1 is a schematic diagram of an architecture of a communication system provided according to an embodiment of the present disclosure.
[0019] Figure 2A is an interactive schematic diagram of a communication method provided according to an embodiment of the present disclosure.
[0020] Figure 2B is another interactive schematic diagram of the communication method provided according to an embodiment of the present disclosure.
[0021] Figure 2C is another interactive schematic diagram of the communication method provided according to an embodiment of the present disclosure.
[0022] Figure 3 is a schematic diagram of a communication device provided according to an embodiment of the present disclosure.
[0023] Figure 4A is a schematic diagram of a communication device provided according to an embodiment of the present disclosure.
[0024] Figure 4B is a schematic diagram of a chip structure provided according to an embodiment of the present disclosure. Detailed Implementation
[0025] This disclosure provides a communication method, communication device, communication system, storage medium, and program product.
[0026] In a first aspect, embodiments of this disclosure provide a communication method performed by a terminal. The method includes: receiving indication information sent by a network device, the indication information indicating at least one condition; and activating or deactivating fast beam switching based on the at least one condition.
[0027] In this embodiment, the terminal can autonomously activate fast beam switching based on at least one condition configured by the network device to reduce L3 measurement latency and improve communication efficiency. Furthermore, the terminal can also autonomously activate fast beam switching based on at least one condition to flexibly configure fast beam switching and reduce signaling overhead.
[0028] In conjunction with some embodiments of the first aspect, in some embodiments, at least one condition includes an activation condition and / or a deactivation condition; activating or deactivating fast beam switching based on indication information includes: activating fast beam switching based on the activation condition; or deactivating fast beam switching based on the deactivation condition.
[0029] In conjunction with some embodiments of the first aspect, in some embodiments, the activation condition is associated with the location of the terminal, and the activation condition includes one of the following: the distance between the terminal and the center location of the first cell is greater than a first threshold; the measurement result obtained by the terminal from the first cell is greater than a third threshold.
[0030] In conjunction with some embodiments of the first aspect, in some embodiments, the deactivation condition is associated with the location of the terminal, and the deactivation condition includes one of the following: the distance between the terminal and the edge location of the first cell is less than a second threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold.
[0031] In conjunction with some embodiments of the first aspect, in some embodiments, the measurement results include the reference signal receiving power (RSRP) of the synchronization signal block (SSB), or the measurement results include the signal to interference plus noise ratio (SINR) of the SSB.
[0032] In conjunction with some embodiments of the first aspect, in some embodiments, the activation condition is associated with the mobility of the terminal, and the activation condition includes one of the following: the terminal is in a stationary state; the discontinuous reception (DRX) period of the terminal is greater than a fifth threshold; the difference between the RSRP of the SSB obtained by the terminal in measuring the first cell and the RSRP of the SSB obtained in the previous measurement of the first cell is less than a seventh threshold.
[0033] In conjunction with some embodiments of the first aspect, in some embodiments, the deactivation condition is associated with the mobility of the terminal, and the deactivation condition includes one of the following: the terminal is in a mobile state; the terminal's DRX period is less than a sixth threshold; the difference between the RSRP of the SSB obtained by the terminal in measuring the first cell and the RSRP of the SSB obtained in the previous measurement of the first cell is greater than an eighth threshold.
[0034] In conjunction with some embodiments of the first aspect, in some embodiments, the activation conditions are associated with the location and mobility of the terminal, and the activation conditions include: the measurement result obtained by the terminal from the first cell is greater than a second threshold, and the DRX period of the terminal is greater than a fifth threshold.
[0035] In conjunction with some embodiments of the first aspect, in some embodiments, the deactivation conditions are associated with the location and mobility of the terminal, and the deactivation conditions include one of the following: the measurement result obtained by the terminal from measuring the first cell is greater than a second threshold, and the DRX period of the terminal is less than a sixth threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold, and the DRX period of the terminal is greater than a fifth threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold, and the DRX period of the terminal is less than a sixth threshold.
[0036] In conjunction with some embodiments of the first aspect, in some embodiments, when fast beam switching is activated and the terminal supports power level 1 or 5 on frequency range (FR) 2-1, the number of SSBs associated with fast beam switching is less than or equal to 40; or, when fast beam switching is activated and the terminal supports power level 2, the number of SSBs is less than or equal to 24; or, when fast beam switching is activated and the terminal supports power level 3 on FR2-1, the number of SSBs is less than or equal to 24.
[0037] In a second aspect, embodiments of this disclosure provide a communication method performed by a network device. The method includes: sending indication information to a terminal, the indication information indicating at least one condition, the at least one condition being used to trigger the terminal to activate or deactivate fast beam switching.
[0038] In this embodiment, the network device configures at least one condition for the terminal, enabling the terminal to autonomously activate fast beam switching based on the at least one condition, thereby reducing L3 measurement latency and improving communication efficiency. Furthermore, the terminal can also autonomously deactivate fast beam switching based on at least one condition to flexibly configure fast beam switching and reduce signaling overhead.
[0039] In conjunction with some embodiments of the second aspect, in some embodiments, at least one condition includes an activation condition and / or a deactivation condition; the activation condition is used to trigger the terminal to activate fast beam switching, or the deactivation condition is used to trigger the terminal to deactivate fast beam switching.
[0040] In conjunction with some embodiments of the second aspect, in some embodiments, the activation condition is associated with the location of the terminal, and the activation condition includes one of the following: the distance between the terminal and the center location of the first cell is less than a first threshold; the measurement result obtained by the terminal from the first cell is greater than a second threshold.
[0041] In conjunction with some embodiments of the second aspect, in some embodiments, the activation condition is associated with the location of the terminal, and the activation condition includes one of the following: the distance between the terminal and the center location of the first cell is less than a first threshold; the measurement result obtained by the terminal from the first cell is greater than a second threshold.
[0042] In conjunction with some embodiments of the second aspect, in some embodiments, the measurement results include the RSRP of the synchronization reference signal SSB, or the measurement results include the SINR of the SSB.
[0043] In conjunction with some embodiments of the second aspect, in some embodiments, the activation condition is associated with the mobility of the terminal, and the activation condition includes one of the following: the terminal is in a stationary state; the terminal's discontinuous reception DRX period is greater than a fifth threshold.
[0044] In conjunction with some embodiments of the second aspect, in some embodiments, the deactivation condition is associated with the mobility of the terminal, and the deactivation condition includes one of the following: the terminal is in a mobile state; the terminal's DRX period is less than a fourth threshold.
[0045] In conjunction with some embodiments of the second aspect, in some embodiments, the activation conditions are associated with the location and mobility of the terminal, and the activation conditions include: the measurement result obtained by the terminal from the first cell is greater than a second threshold, and the DRX period of the terminal is greater than a fifth threshold.
[0046] In conjunction with some embodiments of the second aspect, in some embodiments, the activation condition is associated with the location and mobility of the terminal, and the deactivation condition includes one of the following: the measurement result obtained by the terminal from measuring the first cell is greater than a second threshold, and the DRX period of the terminal is less than a sixth threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold, and the DRX period of the terminal is greater than a fifth threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold, and the DRX period of the terminal is less than a sixth threshold.
[0047] In conjunction with some embodiments of the second aspect, in some embodiments, when fast beam switching is activated and the terminal supports power level 1 or 5 on FR2-1, the number of SSBs associated with fast beam switching is less than or equal to 40; or, when fast beam switching is activated and the terminal supports power level 2, the number of SSBs associated with fast beam switching is less than or equal to 24; or, when fast beam switching is activated and the terminal supports power level 3 on FR2-1, the number of SSBs associated with fast beam switching is less than or equal to 24.
[0048] In a third aspect, embodiments of this disclosure provide a terminal comprising: a transceiver module and a processing module, wherein the transceiver module is configured to receive indication information sent by a network device, the indication information indicating at least one condition; and the processing module is configured to activate or deactivate fast beam switching based on at least one condition.
[0049] In conjunction with some embodiments of the third aspect, in some embodiments, at least one condition includes an activation condition and / or a deactivation condition; the processing module is configured to perform one of the following: activating fast beam switching based on the activation condition; and deactivating fast beam switching based on the deactivation condition.
[0050] In conjunction with some embodiments of the third aspect, in some embodiments, the activation condition is associated with the location of the terminal, and the activation condition includes one of the following: the distance between the terminal and the center location of the first cell is greater than a first threshold; the measurement result obtained by the terminal from the first cell is greater than a second threshold.
[0051] In conjunction with some embodiments of the third aspect, in some embodiments, the deactivation condition is associated with the location of the terminal, and the deactivation condition includes one of the following: the distance between the terminal and the edge location of the first cell is less than a third threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold.
[0052] In conjunction with some embodiments of the third aspect, in some embodiments, the measurement results include the RSRP of the SSB, or the measurement results include the SINR of the SSB.
[0053] In conjunction with some embodiments of the third aspect, in some embodiments, the activation condition is associated with the mobility of the terminal, and the activation condition includes one of the following: the terminal is in a stationary state; the terminal's DRX cycle is greater than a fifth threshold.
[0054] In conjunction with some embodiments of the third aspect, in some embodiments, the deactivation condition is associated with the mobility of the terminal, and the deactivation condition includes one of the following: the terminal is in a mobile state; the terminal's DRX period is less than a sixth threshold.
[0055] In conjunction with some embodiments of the third aspect, in some embodiments, the activation conditions are associated with the location and mobility of the terminal, and the activation conditions include: the measurement result obtained by the terminal from measuring the first cell is greater than a second threshold, and the DRX period of the terminal is greater than a fifth threshold; the difference between the RSRP of the SSB obtained by the terminal from measuring the first cell and the RSRP of the SSB obtained from the previous measurement of the first cell is less than a seventh threshold.
[0056] In conjunction with some embodiments of the third aspect, in some embodiments, the deactivation conditions are associated with the location and mobility of the terminal, and the deactivation conditions include one of the following: the measurement result obtained by the terminal from measuring the first cell is greater than a second threshold, and the DRX period of the terminal is less than a sixth threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold, and the DRX period of the terminal is greater than a fifth threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold, and the DRX period of the terminal is less than a sixth threshold; the difference between the RSRP of the SSB obtained by the terminal from measuring the first cell and the RSRP of the SSB obtained from the previous measurement of the first cell is greater than an eighth threshold.
[0057] In conjunction with some embodiments of the third aspect, in some embodiments, when fast beam switching is activated and the terminal supports power level 1 or 5 on FR2-1, the number of SSBs associated with fast beam switching is less than or equal to 40; or, when fast beam switching is activated and the terminal supports power level 2, the number of SSBs associated with fast beam switching is less than or equal to 24; or, when fast beam switching is activated and the terminal supports power level 3 on FR2-1, the number of SSBs associated with fast beam switching is less than or equal to 24.
[0058] In a fourth aspect, embodiments of this disclosure provide a communication method performed by a network device. The network device includes a processing module configured to send indication information to a terminal, the indication information indicating at least one condition for triggering the terminal to activate or deactivate fast beam switching.
[0059] In conjunction with some embodiments of the fourth aspect, in some embodiments, at least one condition includes an activation condition and / or a deactivation condition; the activation condition is used to trigger the terminal to activate fast beam switching, or the deactivation condition is used to trigger the terminal to deactivate fast beam switching.
[0060] In conjunction with some embodiments of the fourth aspect, in some embodiments, the activation condition is associated with the location of the terminal, and the activation condition includes one of the following: the distance between the terminal and the center location of the first cell is less than a first threshold; the measurement result obtained by the terminal from the first cell is greater than a second threshold.
[0061] In conjunction with some embodiments of the fourth aspect, in some embodiments, the activation condition is associated with the location of the terminal, and the activation condition includes one of the following: the distance between the terminal and the center location of the first cell is less than a first threshold; the measurement result obtained by the terminal from the first cell is greater than a second threshold.
[0062] In conjunction with some embodiments of the fourth aspect, in some embodiments, the measurement results include the RSRP of the SSB, or the measurement results include the SINR of the SSB.
[0063] In conjunction with some embodiments of the fourth aspect, in some embodiments, the activation condition is associated with the mobility of the terminal, and the activation condition includes one of the following: the terminal is in a stationary state; the terminal's discontinuous reception DRX period is greater than a fifth threshold.
[0064] In conjunction with some embodiments of the fourth aspect, in some embodiments, the deactivation condition is associated with the mobility of the terminal, and the deactivation condition includes one of the following: the terminal is in a mobile state; the terminal's DRX period is less than a fourth threshold.
[0065] In conjunction with some embodiments of the fourth aspect, in some embodiments, the activation conditions are associated with the location and mobility of the terminal, and the activation conditions include: the measurement result obtained by the terminal from measuring the first cell is greater than a second threshold, and the DRX period of the terminal is greater than a fifth threshold; the difference between the RSRP of the SSB obtained by the terminal from measuring the first cell and the RSRP of the SSB obtained from the previous measurement of the first cell is less than a seventh threshold.
[0066] In conjunction with some embodiments of the fourth aspect, in some embodiments, the activation conditions are associated with the location and mobility of the terminal, and the deactivation conditions include one of the following: the measurement result obtained by the terminal from measuring the first cell is greater than a second threshold, and the DRX period of the terminal is less than a sixth threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold, and the DRX period of the terminal is greater than a fifth threshold; the measurement result obtained by the terminal from measuring the first cell is less than a fourth threshold, and the DRX period of the terminal is less than a sixth threshold; the difference between the RSRP of the SSB obtained by the terminal from measuring the first cell and the RSRP of the SSB obtained from the previous measurement of the first cell is greater than an eighth threshold.
[0067] In conjunction with some embodiments of the fourth aspect, in some embodiments, when fast beam switching is activated and the terminal supports power level 1 or 5 on FR2-1, the number of SSBs associated with fast beam switching is less than or equal to 40; or, when fast beam switching is activated and the terminal supports power level 2, the number of SSBs associated with fast beam switching is less than or equal to 24; or, when fast beam switching is activated and the terminal supports power level 3 on FR2-1, the number of SSBs associated with fast beam switching is less than or equal to 24.
[0068] In a fifth aspect, embodiments of this disclosure provide a communication device. The communication device includes one or more processors. The communication device is used to perform the methods described in any of the first, second, and embodiments thereof.
[0069] In conjunction with some embodiments of the fifth aspect, in some embodiments, the communication device is a terminal or a network device.
[0070] In a sixth aspect, embodiments of this disclosure provide a communication system. The communication system includes a terminal and a network device. The terminal is used to implement the method as described in any of the first aspect and its embodiments. The network device is used to implement the method as described in any of the second aspect and its embodiments.
[0071] In a seventh aspect, embodiments of this disclosure provide a computer-readable storage medium. The storage medium stores instructions. When executed on a communication device, the instructions cause the communication device to perform the methods described in the first aspect, the second aspect, and their embodiments.
[0072] In conjunction with some embodiments of the seventh aspect, in some embodiments, the communication device is a terminal or a network device.
[0073] In an eighth aspect, embodiments of this disclosure provide a computer program product. When executed by a communication device, the program product causes the communication device to perform the methods described in any of the first, second, and embodiments thereof.
[0074] In conjunction with some embodiments of the eighth aspect, in some embodiments, the communication device is a terminal or a network device.
[0075] In a ninth aspect, embodiments of this disclosure provide a computer program. When this computer program is run on a computer, it causes the computer to perform the methods described in any of the first, second, and embodiments thereof.
[0076] In a tenth aspect, embodiments of this disclosure provide a chip or chip system. The chip or chip system includes processing circuitry. The processing circuitry is configured to perform the methods described in any of the first, second, and embodiments thereof.
[0077] It is understood that the aforementioned communication devices, communication systems, storage media, computer program products, computer programs, chips, and chip systems are all used to execute the methods provided in the embodiments of this disclosure. Therefore, the beneficial effects they can achieve can be referred to the beneficial effects in the corresponding methods, and will not be repeated here.
[0078] This disclosure provides a communication method, communication device, communication system, storage medium, and program product. In some embodiments, terms such as communication method, information processing method, information transmission method, data processing method, multi-beam measurement method, and FBS activation method can be used interchangeably; terms such as terminal, communication device, data processing device, measurement device, network device, network function, and network entity can be used interchangeably; and terms such as communication system, information processing system, and data processing system can be used interchangeably.
[0079] This disclosure is not exhaustive, but merely illustrative of some embodiments, and is not intended to limit the scope of protection of this disclosure. Unless otherwise specified, each step in a particular embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged. Furthermore, the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
[0080] In the embodiments disclosed herein, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of the various embodiments are consistent and can be referenced by each other. Technical features in different embodiments can be combined to form new embodiments based on their inherent logical relationships.
[0081] The terminology used in the embodiments of this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the scope of this disclosure.
[0082] In the embodiments of this disclosure, unless otherwise stated, elements expressed in the singular form, such as “a,” “one,” “a kind,” “the,” “the,” “the,” “the,” “the,” “the,” “the,” “the,” “this,” etc., can mean “one and only one,” or “one or more,” “at least one,” etc. For example, when articles such as “a,” “an,” and “the” are used in translation, the noun following the article can be understood as either a singular or a plural expression.
[0083] In the embodiments of this disclosure, "a plurality of" means two or more.
[0084] In some embodiments, terms such as “at least one (at least one, at least one item, at least one)” and “one or more” may be used interchangeably.
[0085] In some embodiments, the notation "at least one of A and B", "A and / or B", "A in one case, B in another", "in response to one case A, in response to another case B", etc., may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). The same applies when there are more branches such as A, B, C, etc.
[0086] In some embodiments, the notation "A or B" may include the following technical solutions, depending on the situation: in some embodiments, A (execution of A regardless of B); in some embodiments, B (execution of B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, C, etc.
[0087] The prefixes "first," "second," etc., used in the embodiments of this disclosure are merely for distinguishing different descriptive objects and do not impose restrictions on the position, order, priority, quantity, or content of the descriptive objects. The description of the descriptive objects is found in the claims or the context of the embodiments, and the use of prefixes should not constitute unnecessary restrictions. For example, if the descriptive object is a "field," the ordinal numbers preceding "field" in "first field" and "second field" do not restrict the position or order of the "fields." "First" and "second" do not restrict whether the "fields" they modify are in the same message, nor do they restrict the order of "first field" and "second field." Similarly, if the descriptive object is a "level," the ordinal numbers preceding "level" in "first level" and "second level" do not restrict the priority between "levels." Furthermore, the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in "first device," the number of "devices" can be one or more. Furthermore, the objects modified by different prefixes can be the same or different. For example, if the object being described is "device", then "first device" and "second device" can be the same device or different devices, and their types can be the same or different. As another example, if the object being described is "information", then "third information" and "first information" can be the same information or different information, and their content can be the same or different.
[0088] In some embodiments, “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
[0089] In some embodiments, the terms “in response to…”, “in response to determining…”, “in the case of…”, “when…”, “if…”, “if…”, etc., can be used interchangeably.
[0090] In some embodiments, the terms “greater than,” “greater than or equal to,” “not less than,” “more than,” “more than or equal to,” “not less than,” “higher than,” “higher than or equal to,” “not lower than,” and “above” can be used interchangeably, as can the terms “less than,” “less than or equal to,” “not greater than,” “less than,” “less than or equal to,” “not more than,” “lower than,” “lower than or equal to,” “not higher than,” and “below”.
[0091] In some embodiments, devices, etc., can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. Terms such as “device”, “equipment”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.
[0092] In some embodiments, "network" can be interpreted as devices included in a network (e.g., access network devices, core network devices, etc.).
[0093] In some embodiments, the terms "access network device (AN device)," "radio access network device (RAN device)," "base station (BS)," "radio base station," "fixed station," "node," "access point," "transmission point (TP)," "reception point (RP)," "transmission / reception point (TRP)," "panel," "antenna panel," "antenna array," "cell," "macro cell," "small cell," "femto cell," "pico cell," "sector," "cell group," "serving cell," "carrier," "component carrier," and "bandwidth part (BWP)" can be used interchangeably.
[0094] In some embodiments, the terms "terminal", "terminal device", "user equipment (UE)", "user terminal", "mobile station (MS)", "mobile terminal (MT)", "subscriber station", "mobile unit", "subscriber unit", "wireless unit", "remote unit", "mobile device", "wireless device", "wireless communication device", "remote device", "mobile subscriber station", "access terminal", "mobile terminal", "wireless terminal", "remote terminal", "handset", "user agent", "mobile client", and "client" can be used interchangeably.
[0095] In some embodiments, access network devices, core network devices, or network devices can be replaced by terminals. For example, embodiments of this disclosure can also be applied to structures where communication between access network devices, core network devices, or network devices and terminals is replaced by communication between multiple terminals (e.g., device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, the structure can also be configured such that the terminal has all or part of the functions of the access network device. Furthermore, terms such as "uplink" and "downlink" can be replaced with terms corresponding to communication between terminals (e.g., "sidelink"). For example, uplink channel, downlink channel, etc., can be replaced with sidelink channel, and uplink link, downlink, etc., can be replaced with sidelink link.
[0096] In some embodiments, the terminal may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, core network device, or network device may also be configured to have all or some of the functions of the terminal.
[0097] In some embodiments, the acquisition of data, information, etc., may comply with the laws and regulations of the country where the location is situated.
[0098] In some embodiments, data, information, etc., may be obtained with the user's consent.
[0099] Furthermore, each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.
[0100] Figure 1 is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure. As shown in Figure 1, the communication system 100 includes a terminal 101 and a network device 102. The network device 102 may include at least one of an access network device and a core network device.
[0101] In some embodiments, terminal 101 includes, but is not limited to, at least one of the following: mobile phone, wearable device, Internet of Things device, car with communication function, smart car, tablet computer, computer with wireless transceiver function, virtual reality (VR) terminal device, augmented reality (AR) terminal device, wireless terminal device in industrial control, wireless terminal device in self-driving, wireless terminal device in remote medical surgery, wireless terminal device in smart grid, wireless terminal device in transportation safety, wireless terminal device in smart city, and wireless terminal device in smart home.
[0102] In some embodiments, the access network device is, for example, a node or device that connects a terminal to a wireless network. The access network device may include at least one of the following: an evolved NodeB (eNB), a next-generation eNB (ng-eNB), a next-generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a radio backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6th generation mobile communication system (6G), an open RAN, a cloud RAN, a base station in other communication systems, and an access node in a Wi-Fi system, but is not limited thereto.
[0103] In some embodiments, the technical solutions of this disclosure can be applied to the open RAN architecture. In this case, the interfaces between or within access network devices involved in the embodiments of this disclosure can be transformed into internal interfaces of open RAN. The processes and information interactions between these internal interfaces can be implemented by software or programs.
[0104] In some embodiments, the access network device may be composed of a central unit (CU) and a distributed unit (DU). The CU may also be called a control unit. The CU-DU structure can separate the protocol layer of the access network device. Some of the protocol layer functions are centrally controlled by the CU, while the remaining part or all of the protocol layer functions are distributed in the DU and centrally controlled by the CU. However, this is not the only possibility.
[0105] In some embodiments, the CU and DU can be centrally deployed on one access network device or distributed across multiple access network devices.
[0106] In some embodiments, the access network device may be implemented using one or more access network devices. An access network device may include a CU and at least one DU. A CU may be connected to multiple DUs, while a DU may only be connected to one CU.
[0107] In some embodiments, the core network device 103 may be a single device, including a first network element, or it may be multiple devices or a group of devices, each including a first network element. Network elements may be virtual or physical. The core network may include, for example, at least one of an evolved packet core (EPC), a 5G core network (5GCN), a next-generation core (NGC), and a 6G core network.
[0108] It is understood that the communication system described in this disclosure is for the purpose of more clearly illustrating the technical solutions of this disclosure, and does not constitute a limitation on the technical solutions proposed in this disclosure. As those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions proposed in this disclosure are also applicable to similar technical problems.
[0109] The following embodiments of this disclosure can be applied to the communication system 100 shown in FIG1, or to some of the main bodies, but are not limited thereto. The main bodies shown in FIG1 are illustrative. The communication system may include all or some of the main bodies in FIG1, or may include other main bodies outside of FIG1. The number and form of each main body are arbitrary. Each main body may be physical or virtual. The connection relationship between the main bodies is illustrative. The main bodies may not be connected or may be connected. The connection can be in any way, it can be a direct connection or an indirect connection, it can be a wired connection or a wireless connection.
[0110] The embodiments disclosed herein can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), 6G, computing power network (CPN), computing-aware network (CAN), computing first network (CFN), metro computing network (MCN), future radio access (FRA), new-radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), global system for mobile communications (GSM (registered trademark)), CDMA2000, ultra-mobile broadband (UMB), and IEEE. IEEE 802.11 (Wi-Fi, registered trademark), IEEE 802.16 (WiMAX, registered trademark), IEEE 802.20, ultra-wideband (UWB), Bluetooth (Bluetooth, registered trademark), public land mobile network (PLMN), device-to-device (D2D) systems, machine-to-machine (M2M) systems, Internet of Things (IoT) systems, vehicle-to-everything (V2X) systems, systems utilizing other communication methods, and next-generation systems built upon them. Furthermore, multiple systems can be combined (e.g., a combination of LTE or LTE-A with 5G, or a combination of 5G and 6G).
[0111] Fast beam scanning is a key technology in beam management, allowing base stations and terminals to quickly identify and adjust the optimal beam to ensure effective communication connectivity. This technology is particularly important in bands such as millimeter wave (mmWave) because these bands have narrower signal coverage and require more precise beam alignment.
[0112] In some embodiments, consensus is reached on radio resource management (RRM) in NR with the following objectives:
[0113] In the connected state, the L3 (layer 3) measurement delay based on FR2-1 SSB is reduced.
[0114] For terminals supporting simultaneous reception of multiple Rx signals on a single carrier, suitable scenarios and conditions are investigated. If feasible, the L3 measurement delay can be reduced by optimizing the Rx beam sweeping factor (BSF). For terminals not supporting simultaneous reception of multiple Rx signals, suitable scenarios and conditions are investigated. If feasible, the L3 measurement delay can be reduced by optimizing the carrier-specific switching factor (CSSF) outside the measurement gap in the CA / DC scenario. In this case, it is assumed that the terminal has two search units (the number of searchers is 2).
[0115] In some embodiments, the terminal may consider the following scenarios where L3 measurement latency is reduced:
[0116] Scenario 1: SSB-based intra-frequency measurement without measurement gap (MG), including T PSS / SSS_sync_intra and TSSB_measurement_period_intra.
[0117] Scenario 2: SSB-based intra-frequency measurement with measurement gap (MG), including T PSS / SSS_sync_intra and TSSB_measurement_period_intra.
[0118] Scenario 3: SSB-based inter-frequency measurement without measurement gap (MG), including T PSS / SSS_sync_inter T SSB_time_index_interand TSSB_measurement_period_inter.
[0119] Scenario 4: SSB-based inter-frequency measurement with measurement gap (MG), including T PSS / SSS_sync_inter T SSB_time_index_inter and TSSB_measurement_period_inter.
[0120] Therefore, in the above scenario, how the terminal can autonomously activate fast beam switching is a problem that needs to be solved.
[0121] In some embodiments, the terms "beam," "carrier," "SSB beam," etc., may be used interchangeably. In some embodiments, the terms "fast beam scanning," "fast beam switching," etc., may be used interchangeably.
[0122] Figure 2A is an interactive schematic diagram of a communication method provided according to an embodiment of the present disclosure. The communication method involved in this embodiment can be applied to a communication system 100. As shown in Figure 2A, the communication method of this embodiment includes steps S2101 to S2103.
[0123] In step S2101, the network device sends instruction information to the terminal.
[0124] In some embodiments, the network device sends indication information. In some embodiments, the terminal receives the indication information.
[0125] In some embodiments, the terminal supports a simultaneous multi-Rx reception mode. In some embodiments, the terminal supports multi-Rx operation. In some embodiments, the terminal supports multi-Rx panel reception operation.
[0126] In some embodiments, considering the needs of the terminal, such as the need for immediate measurement or the need to reduce power consumption, the terminal can autonomously activate or deactivate fast beam switching. To achieve autonomous activation or deactivation, the terminal can make a decision based on at least one condition and its current situation to determine whether to activate or deactivate fast beam switching.
[0127] In some embodiments, the network device may indicate at least one of the above conditions to the terminal through indication information.
[0128] In some embodiments, the indication information indicates at least one condition that can trigger the terminal to activate fast beam switching. In some embodiments, the indication information indicates the conditions for activating fast beam switching. In some embodiments, the indication information indicates the activation conditions for fast beam switching. In some embodiments, the indication information indicates the activation conditions.
[0129] In some embodiments, the indication information indicates at least one condition that can trigger the terminal to deactivate fast beam switching. In some embodiments, the indication information indicates the condition for deactivating fast beam switching. In some embodiments, the indication information indicates the deactivation condition for fast beam switching. In some embodiments, the indication information indicates the deactivation condition.
[0130] In some embodiments, the terms “condition,” “criteria,” “rule,” “policy,” etc., may be used interchangeably.
[0131] In some embodiments, the indication information indicates at least one condition that can trigger the terminal to activate or deactivate fast beam switching. In some embodiments, the indication information indicates conditions for activating and deactivating fast beam switching.
[0132] In some embodiments, the indication information indicates at least one condition, including at least one of an activation condition and a deactivation condition.
[0133] In some embodiments, the name of the indication information is not specifically limited; for example, it can also be configuration information, scheduling information, etc.
[0134] In some embodiments, the indication information may be carried in downlink signaling. In one example, the uplink signaling may include at least one of the following: RRC signaling, media access control (MAC) control element (CE), downlink control information (DCI), physical downlink control channel (PDCCH) signaling, physical downlink share channel (PUSCH) signaling, etc.
[0135] In some embodiments, the above-mentioned at least one condition may take into account the location of the terminal to determine whether the terminal can be covered by beams from different directions. When the terminal is covered by beams from different directions, the terminal can perform fast beam switching. In this case, the terminal can activate fast beam switching, i.e., complete fast beam switching by measuring based on SSBs transmitted on multiple beams. Conversely, when the terminal cannot be covered by beams from different directions, the terminal cannot perform fast beam switching. In this case, the terminal can deactivate fast beam switching to reduce power consumption.
[0136] In some embodiments, where at least one condition is configured by a network device, the at least one condition indicated by the above-mentioned indication information may be related to the location of the terminal. In one embodiment, the location of the terminal may be indicated by the distance between the terminal and a reference point of a first cell. In some embodiments, the first cell may be the terminal's serving cell, target cell, primary cell (PCell), secondary cell (SCell), primary secondary cell (PSCell), etc., and this disclosure does not specifically limit this.
[0137] In some embodiments, the reference point of the first cell can be the cell center. For example, the cell center can be the geometric center of the coverage area of the first cell. Alternatively, the cell center can be the location of the network device (such as an access network device) to which the first cell belongs. In one embodiment, the network device administers one cell (i.e., the first cell). In this case, the network device can be deployed at the geometric center of the coverage area of the cell, and the cell center is the geometric center of the coverage area of the first cell. In one embodiment, the network device administers multiple cells (including the first cell). In this case, the network device can be deployed within the coverage area of the first cell, but not at its geometric center. In this case, the cell center is not the geometric center of the coverage area of the first cell.
[0138] In some embodiments, the reference point of the first cell can be the cell edge. For example, the cell edge can be the location on the boundary of the coverage area of the first cell. In one embodiment, the cell edge can also be understood as an area within the first cell where the signal strength is less than a preset value, such as -105 dBm.
[0139] In some embodiments, the reference point of the first cell can also be any location within the first cell, such as the midpoint between the geometric center and the boundary of the coverage area of the first cell. This disclosure does not specifically limit this.
[0140] In some embodiments, the indication information may indicate at least one of the following conditions: activating fast beam switching (e.g., activation condition) when the distance between the terminal and the center of the first cell is less than a first threshold; deactivating fast beam switching (e.g., deactivation condition) when the distance between the terminal and the center of the first cell is greater than or equal to the first threshold; activating fast beam switching (e.g., activation condition) when the distance between the terminal and the edge of the first cell is greater than or equal to a second threshold; and deactivating fast beam switching (e.g., deactivation condition) when the distance between the terminal and the edge of the first cell is less than the second threshold.
[0141] In some embodiments, at least one of the above conditions can be configured by a network device (such as an access network device). In this case, the access network device can configure activation or deactivation conditions considering beam coverage, signal power within the first cell, signal quality, etc. For example, the access network device can determine the coverage of each beam within the first cell based on historical information, such as measurement reports reported by one or more terminals, and based on the coverage of these beams, determine an area within the first cell that can be simultaneously covered by multiple beams from different directions, and then determine activation or deactivation conditions based on the distance between this area and the center of the first cell. For example, the access network device can determine the signal power or signal quality at each location within the first cell based on historical information, such as measurement reports reported by one or more terminals, and based on the signal power or signal quality at each location, determine an area within the first cell that can receive SSBs on multiple beams, and then determine activation or deactivation conditions based on the distance between this area and the center of the first cell.
[0142] It should be noted that at least one of the above conditions can also be configured by the core network equipment or determined according to predefined information (such as as specified in the protocol), and this disclosure does not specifically limit this.
[0143] In some embodiments, the network device can indicate activation or deactivation conditions to the terminal by directly indicating a distance threshold.
[0144] In some embodiments, when the indication information indicates an activation condition, the activation condition may include at least one of the following: the distance between the terminal and the center of the first cell is less than a first threshold; the distance between the terminal and the edge of the first cell is greater than or equal to a second threshold.
[0145] In some embodiments, under the above conditions, the first threshold can be described as a first distance threshold. The first distance threshold is used by the terminal to activate fast beam switching based on its distance from the center location of the first cell. In some embodiments, the second threshold can be described as a second distance threshold. The second distance threshold is used by the terminal to activate fast beam switching based on its distance from the edge location of the first cell. In one example, the unit of the distance threshold can be meters, kilometers, or other similar units.
[0146] In some embodiments, the indication information may include a first threshold, such as th1. For example, assuming the access device is deployed at the geometric center of a first cell with a radius of 1000 meters, and the access network device determines, based on beam coverage, that a terminal can be covered by multiple beams within 200 meters of the access network device, then the access network device can set the first threshold to 200 meters, i.e., th1 = 200 meters. In this case, the activation condition can be: the distance between the terminal and the access network device (i.e., the center location of the first cell) is less than 200 meters.
[0147] In some embodiments, the indication information may indicate a first threshold. In one embodiment, the indication information may include a first percentage, which may be used to determine the first threshold. For example, assuming the access device is deployed at the geometric center of a first cell with a radius of 1000 meters, the access network device determines, based on the signal strength at various locations within the first cell, that the terminal can receive SSBs from different beams within an area of 20% of the cell radius. In this case, the access network device may set the first percentage to 20%, and the first threshold may be 20% of the cell radius of the first cell, i.e., th1 = 1000 × 20% = 200 meters. The activation condition may then be: the distance between the terminal and the access network device (i.e., the center location of the first cell) is less than 200 meters.
[0148] In some embodiments, the indication information may include a second threshold, such as th2. For example, suppose the access device is deployed at the geometric center of a first cell with a radius of 5000 meters. The access network device determines, based on beam coverage, that a terminal cannot be covered by multiple beams beyond a distance of 4000 meters from the access network device. In this case, the access network device can set the second threshold to 1000 meters, i.e., th2 = 1000 meters. The activation condition can then be: the distance between the terminal and the edge of the first cell is greater than or equal to 1000 meters.
[0149] In some embodiments, the indication information may indicate a second threshold. In one embodiment, the indication information may include a second percentage, which can be used to determine the second threshold. For example, assuming the access device is deployed at the geometric center of a first cell with a radius of 5000 meters, and the access network device determines, based on the signal strength at various locations within the first cell, that the terminal cannot receive SSBs from different beams in areas outside 80% of the cell radius, then the access network device can set the second percentage to 80%. In this case, the second threshold can be 20% of the cell radius of the first cell, i.e., th2 = 5000 × 20% = 1000 meters. The activation condition can then be: the distance between the terminal and the edge location of the first cell is greater than or equal to 1000 meters.
[0150] In some embodiments, when the indication information indicates a deactivation condition, the deactivation condition may include at least one of the following: the distance between the terminal and the center location of the first cell is greater than or equal to a first threshold; the distance between the terminal and the edge location of the first cell is less than a second threshold. In one embodiment, the indication information may include a first threshold, such as th1. In this case, the deactivation condition indicated by the indication information may be that the distance between the terminal and the center location of the first cell is greater than or equal to th1. In one embodiment, the indication information may include a second threshold, such as th2. In this case, the deactivation condition indicated by the indication information may be that the distance between the terminal and the edge location of the first cell is less than th2.
[0151] In some embodiments, the first threshold can be described as a first distance threshold in the above conditions. The first distance threshold is also used for the terminal to activate fast beam switching based on its distance from the center of the first cell. In some embodiments, the second threshold can be described as a second distance threshold. The second distance threshold is also used for the terminal to activate fast beam switching based on its distance from the edge of the first cell.
[0152] In some embodiments, the indication information may include a first threshold, such as th1. For example, assuming the access device is deployed at the geometric center of a first cell with a radius of 1000 meters, and the access network device determines, based on beam coverage, that a terminal can be covered by multiple beams within 200 meters of the access network device, then the access network device can set the first threshold to 200 meters, i.e., th1 = 200 meters. In this case, the deactivation condition can be: the distance between the terminal and the access network device (i.e., the center location of the first cell) is greater than or equal to 200 meters.
[0153] In some embodiments, the indication information may indicate a first threshold. In one embodiment, the indication information may include a first percentage, which may be used to determine the first threshold. For example, assuming the access device is deployed at the geometric center of a first cell with a radius of 1000 meters, the access network device determines, based on the signal strength at various locations within the first cell, that the terminal can receive SSBs from different beams within an area of 20% of the cell radius. The access network device may set the first percentage to 20%. In this case, the first threshold may be 20% of the cell radius of the first cell, i.e., th1 = 1000 × 20% = 200 meters. The deactivation condition may then be: the distance between the terminal and the access network device (i.e., the center location of the first cell) is greater than or equal to 200 meters.
[0154] In some embodiments, the indication information may include a second threshold, such as th2. For example, suppose the access device is deployed at the geometric center of a first cell with a radius of 5000 meters. The access network device determines, based on beam coverage, that a terminal cannot be covered by multiple beams beyond a distance of 4000 meters from the access network device. In this case, the access network device can set the second threshold to 1000 meters, i.e., th2 = 1000 meters. The deactivation condition can then be: the distance between the terminal and the edge of the first cell is less than 1000 meters.
[0155] In some embodiments, the indication information may indicate a second threshold. In one embodiment, the indication information may include a second percentage, which may be used to determine the second threshold. For example, assuming the access device is deployed at the geometric center of a first cell with a radius of 5000 meters, and the access network device determines, based on the signal strength at various locations within the first cell, that the terminal cannot receive SSBs from different beams in areas outside 80% of the cell radius, the access network device may set the second percentage to 80%. In this case, the second threshold may be 20% of the cell radius of the first cell, i.e., th2 = 5000 × 20% = 1000 meters. The deactivation condition may then be: the distance between the terminal and the edge location of the first cell is less than 1000 meters.
[0156] In some embodiments, the first threshold and the second threshold may be the same or different. It should be noted that the values of the first threshold and the second threshold can be set according to the actual situation of the first cell and the terminal. The above are only examples of the first threshold and the second threshold, and do not limit the values of the first threshold and the second threshold.
[0157] In some embodiments, since the closer the terminal is to the center of the cell, the better the coverage by multiple beams, the larger the value of the first threshold, the easier it is to meet the activation condition associated with the first threshold, and the easier it is for the terminal to activate fast beam switching. Conversely, the larger the value of the second threshold, the easier it is to meet the deactivation condition associated with the second threshold, and the easier it is for the terminal to deactivate fast beam switching. Thus, by setting different values for the first and second thresholds, different activation or deactivation conditions can be configured for the terminal, allowing the terminal to flexibly choose according to its own needs and improving the measurement efficiency of the terminal.
[0158] It should be noted that the distance between the aforementioned terminal and the reference point of the cell is the distance between the two points.
[0159] In some embodiments, the closer the terminal is to the center of the cell (e.g., closer to the access network equipment), the larger the measurement result obtained by the terminal in the first cell; conversely, the closer the terminal is to the edge of the first cell (e.g., farther from the access network equipment), the smaller the measurement result obtained by the terminal. Based on this, the location of the terminal can also be indicated by the measurement result obtained by the terminal in the first cell.
[0160] In one embodiment, the measurement performed by the terminal on the first cell can be an SSB-based measurement, such as an SSB-based Layer 1 (L1) measurement or an SSB-based L3 measurement. In one embodiment, the measurement result obtained by the terminal from measuring the first cell can be a beam-level measurement result or a cell-level measurement result. In one example, the measurement result obtained by the terminal from measuring the first cell can be RSRP, such as SSB RSRP. In one example, the measurement result obtained by the terminal from measuring the first cell can be SINR, such as SSB SINR.
[0161] In some embodiments, the network device may indicate an activation condition or a deactivation condition to the terminal by indicating a power threshold. In some embodiments, the indication information may indicate at least one of the following conditions: activating fast beam switching (e.g., activation condition) when the measurement result obtained by the terminal from measuring the first cell is greater than a third threshold; activating fast beam switching (e.g., activation condition) when the measurement result obtained by the terminal from measuring the first cell is greater than or equal to a fourth threshold; deactivating fast beam switching (e.g., deactivation condition) when the measurement result obtained by the terminal from measuring the first cell is less than or equal to the third threshold; and deactivating fast beam switching (e.g., deactivation condition) when the measurement result obtained by the terminal from measuring the first cell is less than the fourth threshold.
[0162] In some embodiments, under the above conditions, if the measurement result is RSRP, the third threshold can be described as a first power threshold, a first signal power threshold, a first signal received power threshold, etc. The first power threshold is used by the terminal to activate fast beam switching based on the measured RSRP. In some embodiments, if the measurement result is SINR, the third threshold can be described as a first signal quality threshold, a first signal-to-interference-plus-noise ratio threshold, etc. The first signal quality threshold is used by the terminal to activate fast beam switching based on the measured SINR. In some embodiments, if the measurement result is RSRP, the fourth threshold can be described as a second power threshold, a second signal power threshold, a second signal received power threshold, etc. The second power threshold is used by the terminal to activate fast beam switching based on the measured RSRP. In some embodiments, if the measurement result is SINR, the fourth threshold can be described as a second signal quality threshold, a second signal-to-interference-plus-noise ratio threshold, etc. The second signal quality threshold is used by the terminal to activate fast beam switching based on the measured SINR. In one example, the unit of the power threshold can be dBm. In one example, the unit of the signal quality threshold can be dB.
[0163] In one example, if the measurement result is RSRP, the third threshold can be -95dBm, -85dBm, -75dBm, or -65dBm. In some embodiments, if the measurement result is SINR, the third threshold can be 10dB or 20dB. In one example, if the measurement result is RSRP, the fourth threshold can be -95dBm, -85dBm, -75dBm, or -65dBm. In some embodiments, if the measurement result is SINR, the fourth threshold can be 10dB or 20dB.
[0164] In some embodiments, the values of the third threshold and the fourth threshold can be the same or different. It should be noted that the values of the third threshold and the fourth threshold can be set according to the actual coverage of the first cell and the actual situation of the terminal. The above are only examples of the third threshold and the fourth threshold, and do not limit the values of the third threshold and the fourth threshold.
[0165] In some embodiments, when the indication information indicates an activation condition, the activation condition may include at least one of the following: the measurement result obtained by the terminal measuring the first cell is greater than a third threshold; the measurement result obtained by the terminal measuring the first cell is greater than or equal to a fourth threshold. In one embodiment, the indication information may include a third threshold, such as th3. In this case, the activation condition indicated by the indication information may be that the measurement result obtained by the terminal measuring the first cell is greater than th3. In one embodiment, the indication information may include a fourth threshold, such as th4. In this case, the activation condition indicated by the indication information may be that the measurement result obtained by the terminal measuring the first cell is greater than or equal to th4.
[0166] In some embodiments, the indication information may include a third threshold, such as th3. For example, assuming the access device is deployed at the geometric center of the first cell, if the measurement result is RSRP, and the access network device determines, based on beam coverage, that the terminal can be covered by multiple beams in an area where RSRP is greater than -95dBm, then the access network device can set the third threshold to -95dBm, i.e., th3 = -95dBm. In this case, the activation condition can be: the terminal measures an RSRP greater than -95dBm in the first cell. For example, if the measurement result is SINR, and the access network device determines, based on beam coverage, that the terminal can be covered by multiple beams in an area where SINR is greater than 10dB, then the access network device can set the third threshold to 10dB, i.e., th3 = 10dB. In this case, the activation condition can be: the terminal measures an SINR greater than 10dB in the first cell.
[0167] In some embodiments, the indication information may include a fourth threshold, such as th4. For example, assuming the access device is deployed at the geometric center of the first cell, and the access network device determines, based on beam coverage, that the terminal can be covered by multiple beams in an area where the RSRP is greater than -85dBm, then the access network device can set the fourth threshold to -85dBm, i.e., th4 = -85dBm. In this case, the activation condition can be: the RSRP measured by the terminal in the first cell is greater than or equal to -85dBm. For example, if the measurement result is SINR, and the access network device determines, based on beam coverage, that the terminal can be covered by multiple beams in an area where the SINR is greater than 20dB, then the access network device can set the fourth threshold to 20dB, i.e., th4 = 20dB. In this case, the activation condition can be: the SINR measured by the terminal in the first cell is greater than or equal to 20dB.
[0168] In some embodiments, when the indication information indicates a deactivation condition, the deactivation condition may include at least one of the following: the measurement result obtained by the terminal measuring the first cell is less than or equal to a third threshold; the measurement result obtained by the terminal measuring the first cell is less than a fourth threshold. In one embodiment, the indication information may include a third threshold, such as th3. In this case, the activation condition indicated by the indication information may be that the measurement result obtained by the terminal measuring the first cell is less than or equal to th3. In one embodiment, the indication information may include a fourth threshold, such as th4. In this case, the activation condition indicated by the indication information may be that the measurement result obtained by the terminal measuring the first cell is less than th4.
[0169] In some embodiments, the indication information may include a third threshold, such as th3. For example, assuming the access device is deployed at the geometric center of the first cell, if the measurement result is RSRP, and the access network device determines, based on beam coverage, that the terminal cannot be covered by multiple beams in an area where RSRP is less than or equal to -95dBm, then the access network device can set the third threshold to -95dBm, i.e., th3 = -95dBm. In this case, the deactivation condition can be: the RSRP measured by the terminal in the first cell is less than or equal to -95dBm. For example, if the measurement result is SINR, and the access network device determines, based on beam coverage, that the terminal cannot be covered by multiple beams in an area where SINR is less than 10dB, then the access network device can set the third threshold to 10dB, i.e., th3 = 10dB. In this case, the deactivation condition can be: the SINR measured by the terminal in the first cell is less than or equal to 10dB.
[0170] In some embodiments, the indication information may include a fourth threshold, such as th4. For example, assuming the access device is deployed at the geometric center of the first cell, and the access network device determines, based on beam coverage, that the terminal can be covered by multiple beams in an area where the RSRP is less than -95dBm, then the access network device can set the fourth threshold to -95dBm, i.e., th4 = -95dBm. In this case, the deactivation condition can be: the RSRP measured by the terminal in the first cell is less than -95dBm. For example, if the measurement result is SINR, and the access network device determines, based on beam coverage, that the terminal can be covered by multiple beams in an area where the SINR is less than 10dB, then the access network device can set the fourth threshold to 10dB, i.e., th4 = 10dB. In this case, the deactivation condition can be: the SINR measured by the terminal in the first cell is less than 10dB.
[0171] In some embodiments, since the closer the terminal is to the center of the cell, the greater its signal reception power and the better its signal quality. Therefore, the smaller the value of the third threshold, the easier it is to meet the activation conditions associated with the third threshold, and the easier it is for the terminal to activate fast beam switching. Conversely, the larger the value of the fourth threshold, the easier it is to meet the deactivation conditions associated with the fourth threshold, and the easier it is for the terminal to deactivate fast beam switching. Thus, by setting different values for the third and fourth thresholds, different activation or deactivation conditions can be configured for the terminal, allowing the terminal to flexibly choose according to its own needs and improving the measurement efficiency of the terminal.
[0172] In some embodiments, step S2101 may be omitted when the indication information is determined based on predefined information, such as that specified in the protocol.
[0173] It should be noted that the first threshold, second threshold, third threshold, and fourth threshold mentioned above can also be described as other thresholds, and this disclosure does not specifically limit them.
[0174] In some embodiments, the terms "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.
[0175] In some embodiments, the terms "uplink", "uplink", and "physical uplink" can be used interchangeably, as can the terms "downlink", "downlink", and "physical downlink", as well as the terms "sidelink", "sidelink", "sidelink communication", "sidelink communication", "direct connection", "direct link", "direct communication", and "direct link communication".
[0176] In step S2102, the terminal activates fast beam switching based on the activation conditions associated with the terminal's location.
[0177] In some embodiments, the terminal determines to activate fast beam switching based on the activation conditions associated with the terminal's location.
[0178] In some embodiments, the terminal determines to activate fast beam switching if the activation conditions indicated by the indication information are met. In some embodiments, after receiving the indication information, the terminal activates fast beam switching if the activation conditions indicated by the indication information are met.
[0179] In some embodiments, the activation condition indicated by the indication information may include one of the following: the distance between the terminal and the center of the first cell is less than a first threshold; the distance between the terminal and the edge of the first cell is greater than or equal to a second threshold. Based on this, the terminal activates fast beam switching when the above activation conditions are met.
[0180] In some embodiments, when the terminal's location is indicated by the distance between the terminal and a reference point of the first cell, the terminal can activate fast beam switching if relevant activation conditions are met. In one embodiment, after measuring the first cell and obtaining the measurement results, the terminal can determine the current distance between itself and the reference point of the first cell based on the measurement results, and activate fast beam switching if relevant activation conditions are met. Thus, L3 measurement latency can be reduced by applying fast beam switching (e.g., in scenarios one through four).
[0181] In some embodiments, activating fast beam switching can be understood as performing fast beam switching.
[0182] In some embodiments, the activation condition is that the distance between the terminal and the center of the first cell is less than a first threshold. In this case, if the terminal meets this activation condition, i.e., the distance between the terminal and the center of the first cell is less than the first threshold, the terminal activates fast beam switching. For example, the indication information may include the first threshold, such as th1. If the distance between the terminal and the center of the first cell is less than th1, the terminal activates fast beam switching. For example, assuming th1 = 200 meters, if the distance between the terminal and the access network equipment is less than 200 meters, the terminal activates fast beam switching.
[0183] In some embodiments, the activation condition may be that the distance between the terminal and the edge location of the first cell is greater than or equal to a second threshold. In this case, if the terminal's location meets this activation condition, i.e., the distance between the terminal and the edge location of the first cell is greater than or equal to the second threshold, the terminal activates fast beam switching. For example, the indication information may include the value of the second threshold, such as th2. If the distance between the terminal and the edge location of the first cell is greater than or equal to th2, the terminal activates fast beam switching. Assuming th2 = 1000 meters, if the distance between the terminal and the edge location of the first cell is greater than or equal to 1000 meters, the terminal activates fast beam switching.
[0184] In some embodiments, the network device can configure activation conditions for terminals corresponding to different measurement needs. The terminal can then select a suitable activation condition from multiple options based on its measurement requirements, thereby improving measurement efficiency. For example, the first threshold may include: th1 = 200 meters or 500 meters. Since a larger th1 value makes it easier to meet the associated activation conditions and for the terminal to activate fast beam switching, when the terminal needs to perform measurements quickly, it can choose the activation condition corresponding to th1 = 500 meters, i.e., the activation condition is that the distance between the terminal and the center of the first cell is less than 500 meters. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th1 = 200 meters, i.e., the activation condition is that the distance between the terminal and the center of the first cell is less than 200 meters. For example, the second threshold may include: th2 = 800 meters or 500 meters. Since a smaller th2 value makes it easier to meet the activation conditions associated with th2, the terminal can more easily activate fast beam switching. Therefore, when the terminal needs to perform measurements quickly, it can choose the activation condition corresponding to th2 = 500 meters, meaning the activation condition is that the distance between the terminal and the edge of the first cell is greater than or equal to 500 meters. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th2 = 800 meters, meaning the activation condition is that the distance between the terminal and the edge of the first cell is greater than or equal to 800 meters. Of course, the above are merely examples of the first and second thresholds, and this disclosure does not specifically limit them. In some embodiments, when the terminal's position is indicated by the measurement result obtained from measuring the first cell, the terminal can activate fast beam switching if the relevant activation conditions are met. In one embodiment, after the terminal performs a measurement on the first cell and obtains a measurement result, it activates fast beam switching if the measurement result obtained from measuring the first cell meets the relevant activation conditions. Thus, after activating fast beam switching, the terminal can (e.g., in scenarios one to four) apply fast beam switching to reduce L3 measurement latency.
[0185] In some embodiments, the activation condition can be: the measurement result obtained by the terminal from the first cell is greater than a third threshold. In this case, if the terminal meets the activation condition, i.e., the measurement result obtained by the terminal from the first cell is greater than the third threshold, the terminal activates fast beam switching. For example, if the measurement result is RSRP, the indication information may include the third threshold, such as th3 = -95dBm. If the terminal measures RSRP greater than -95dBm in the first cell, the terminal activates fast beam switching. For example, if the measurement result is SINR, the indication information may include the third threshold, such as th3 = 20dB. If the terminal measures SINR greater than 20dB in the first cell, the terminal activates fast beam switching.
[0186] In some embodiments, the closer the terminal is to the center of the first cell, the larger the measurement result obtained by the terminal in measuring the first cell. Therefore, if the measurement result obtained by the terminal in measuring the first cell is less than a third threshold, the distance between the terminal and the center of the first cell is less than the first threshold. Alternatively, the farther the terminal is from the edge of the first cell, the larger the measurement result obtained by the terminal in measuring the first cell. Therefore, if the measurement result obtained by the terminal in measuring the first cell is less than the third threshold, the distance between the terminal and the edge of the first cell is greater than or equal to a second threshold. In this case, the terminal activates fast beam switching.
[0187] In some embodiments, the condition indicated by the indication information (such as an activation condition) may be: activating fast beam switching when the measurement result obtained by the terminal from the first cell is greater than or equal to a fourth threshold. In this case, if the terminal's location meets this condition, i.e., the measurement result obtained by the terminal from the first cell is greater than or equal to the fourth threshold, the terminal activates fast beam switching. For example, if the measurement result is RSRP, the indication information may include the fourth threshold, such as th4 = -85dBm. If the RSRP obtained by the terminal from the first cell is greater than or equal to -85dBm, the terminal activates fast beam switching. For example, if the measurement result is SINR, the indication information may include the fourth threshold, such as th4 = 10dB. If the SINR obtained by the terminal from the first cell is greater than or equal to 10dB, the terminal activates fast beam switching.
[0188] In some embodiments, the closer the terminal is to the center of the first cell, the larger the measurement result obtained by the terminal in measuring the first cell. Therefore, if the measurement result obtained by the terminal in measuring the first cell is greater than or equal to a fourth threshold, the distance between the terminal and the center of the first cell is less than a first threshold. Alternatively, the farther the terminal is from the edge of the first cell, the larger the measurement result obtained by the terminal in measuring the first cell. Therefore, if the measurement result obtained by the terminal in measuring the first cell is greater than or equal to a fourth threshold, the distance between the terminal and the edge of the first cell is greater than a second threshold. In this case, the terminal activates fast beam switching.
[0189] In some embodiments, the network device can configure activation conditions for terminals corresponding to different measurement requirements. The terminal can then select a suitable activation condition from multiple options based on its measurement needs, thereby improving measurement efficiency. For example, if the measurement result is RSRP, the third threshold may include: th3 = -95dBm or -75dBm. Since a smaller th3 value makes it easier to meet the associated activation conditions and for the terminal to activate fast beam switching, when the terminal needs to perform measurements quickly, it can choose the activation condition corresponding to th3 = -95dBm, meaning the activation condition is that the RSRP obtained by the terminal measuring the first cell is greater than -95dBm. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th3 = -75dBm, meaning the activation condition is that the RSRP obtained by the terminal measuring the first cell is greater than -75dBm. For example, if the measurement result is SINR, the third threshold may include: th3 = 10dB or 20dBm. Since a smaller th3 value makes it easier to meet the activation conditions associated with th3, and easier for the terminal to activate fast beam switching, the terminal can choose the activation condition corresponding to th3 = 10dB when it needs to perform measurements as quickly as possible. That is, the activation condition is that the SINR obtained by the terminal in measuring the first cell is greater than 10dB. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th3 = 20dB, that is, the SINR obtained by the terminal in measuring the first cell is greater than 20dB. Of course, the above are merely examples of the third threshold, and this disclosure does not impose specific limitations on this aspect.
[0190] In some embodiments, the network device can configure activation conditions for terminals corresponding to different measurement requirements. The terminal can then select a suitable activation condition from multiple activation conditions based on its own measurement needs, thereby improving measurement efficiency. For example, if the measurement result is RSRP, the fourth threshold may include: th4 = -85dBm or -75dBm. Since a smaller th4 value makes it easier to meet the associated activation conditions and for the terminal to activate fast beam switching, when the terminal needs to perform measurements quickly, it can choose the activation condition corresponding to th4 = -85dBm, i.e., the activation condition is that the RSRP obtained by the terminal measuring the first cell is greater than or equal to -85dBm. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th4 = -75dBm, i.e., the activation condition is that the RSRP obtained by the terminal measuring the first cell is greater than or equal to -75dBm. For example, if the measurement result is SINR, the fourth threshold may include: th4 = 10dB or 20dBm. Since a smaller th4 value makes it easier to meet the activation conditions associated with th4, and easier for the terminal to activate fast beam switching, the terminal can choose the activation condition corresponding to th4 = 10dB when it needs to perform measurements as quickly as possible. That is, the activation condition is that the SINR obtained by the terminal in measuring the first cell is greater than or equal to 10dB. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th4 = 20dB, that is, the SINR obtained by the terminal in measuring the first cell is greater than or equal to 20dB. Of course, the above are merely examples of the fourth threshold, and this disclosure does not impose specific limitations on them.
[0191] It should be noted that if the terminal has activated fast beam switching before step S2102, then the terminal will maintain fast beam switching active in step S2102. In some embodiments, if the terminal has activated fast beam switching before step S2102, then the terminal can also perform measurements on the first cell through fast beam switching.
[0192] In some embodiments, when fast beam switching is activated, network devices can transmit SSBs on different beams, and terminals perform measurements based on these SSBs, thus achieving fast beam switching. In one embodiment, the number of SSBs on different beams can be M, where M is less than or equal to 40. In some embodiments, M can also be understood as the number of SSBs associated with fast beam switching, or the number of SSBs used for fast beam switching.
[0193] In some embodiments, when fast beam switching is activated and the terminal supports power level 1 or 5 on FR2-1, M ≤ 40. In some embodiments, when fast beam switching is activated and the terminal supports power level 2, M ≤ 24. In some embodiments, when fast beam switching is activated and the terminal supports power level 3 on FR2-1, M ≤ 24.
[0194] In one example, M can be Mpss / sss_sync_w / o_gaps. In one example, for terminals supporting FR2-1 power level 1 or 5, Mpss / sss_sync_w / o_gaps ≤ 40 (if fast beam switching is activated). In one example, for terminals supporting power level 2, Mpss / sss_sync_w / o_gaps ≤ 24 (if fast beam switching is activated). In one example, for terminals supporting FR2-1 power level 3, Mpss / sss_sync_w / o_gaps ≤ 24 (if fast beam switching is activated). In one example, M can be M meas_period_w / o_gaps In one example, for terminals supporting FR2-1 power levels 1 or 5, M meas_period_w / o_gaps ≤40 (if fast beam switching is activated). In one example, for a terminal supporting FR2-1 power level 3, M meas_period_w / o_gaps ≤24 (if fast beam switching is activated).
[0195] In step S2103, the terminal deactivates fast beam switching based on the deactivation conditions associated with the terminal's location.
[0196] In some embodiments, the terminal determines deactivation fast beam switching based on the deactivation conditions associated with the terminal's location.
[0197] In some embodiments, the terminal determines to deactivate fast beam switching if the deactivation conditions indicated by the indication information are met. In some embodiments, after receiving the indication information, the terminal deactivates fast beam switching if the deactivation conditions indicated by the indication information are met.
[0198] In some embodiments, deactivating fast beam switching can be understood as canceling the execution of fast beam switching.
[0199] In some embodiments, the deactivation condition indicated by the indication information may include one of the following: deactivating fast beam switching when the distance between the terminal and the center of the first cell is greater than or equal to a first threshold; deactivating fast beam switching when the distance between the terminal and the edge of the first cell is less than a second threshold; deactivating fast beam switching when the measurement result obtained by the terminal from the first cell is less than or equal to a third threshold; and deactivating fast beam switching when the measurement result obtained by the terminal from the first cell is less than a fourth threshold. Based on this, the terminal deactivates fast beam switching when the above deactivation conditions are met.
[0200] In some embodiments, when the location of the terminal is indicated by the distance between the terminal and a reference point of the first cell, the terminal can deactivate fast beam switching if relevant deactivation conditions are met. In one embodiment, after measuring the first cell and obtaining the measurement result, the terminal can determine the distance between itself and the reference point of the first cell based on the measurement result, and deactivate fast beam switching if relevant deactivation conditions are met.
[0201] In some embodiments, the deactivation condition is that the distance between the terminal and the center location of the first cell is greater than or equal to a first threshold. In this case, if the terminal meets the deactivation condition, i.e., the distance between the terminal and the center location of the first cell is greater than or equal to the first threshold, the terminal deactivates fast beam switching. For example, the indication information may include the first threshold, such as th1. If the distance between the terminal and the center location of the first cell is greater than or equal to th1, the terminal deactivates fast beam switching. For example, assuming th1 = 200 meters, if the distance between the terminal and the access network equipment is greater than or equal to 200 meters, the terminal deactivates fast beam switching.
[0202] In some embodiments, the deactivation condition may be that the distance between the terminal and the edge of the first cell is less than a second threshold. In this case, if the terminal meets the deactivation condition, i.e., the distance between the terminal and the edge of the first cell is less than the second threshold, the terminal deactivates fast beam switching. For example, the indication information may include the second threshold, such as th2. If the distance between the terminal and the edge of the first cell is less than th2, the terminal deactivates fast beam switching. Assuming th2 = 1000 meters, if the distance between the terminal and the edge of the coverage area of the first cell is less than 1000 meters, the terminal deactivates fast beam switching.
[0203] In some embodiments, the network device can configure deactivation conditions for terminals corresponding to different measurement requirements. The terminal can then select a suitable deactivation condition from multiple deactivation conditions based on its own measurement needs, thereby improving measurement efficiency. For example, the first threshold may include: th1 = 200 meters, 500 meters. Since a smaller th1 value makes it easier to satisfy the associated deactivation condition, and the terminal can more easily deactivate fast beam switching, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th1 = 200 meters, i.e., the deactivation condition is that the distance between the terminal and the center of the first cell is greater than or equal to 200 meters. For example, the second threshold may include: th2 = 800 meters, 500 meters. Since a larger th2 value makes it easier to satisfy the associated deactivation condition, and the terminal can more easily deactivate fast beam switching, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th2 = 800 meters, i.e., the deactivation condition is that the distance between the terminal and the edge of the first cell is less than 800 meters. Of course, the above are merely examples of the first threshold and the second threshold, and this disclosure does not impose any specific limitations on them.
[0204] In some embodiments, when the terminal's location is indicated by a measurement result obtained from measuring the first cell, the terminal can deactivate fast beam switching if relevant deactivation conditions are met. In one embodiment, the terminal performs a measurement on the first cell and obtains a measurement result. Then, if the terminal meets relevant deactivation conditions, it deactivates fast beam switching. In some embodiments, the deactivation condition may be: the measurement result obtained by the terminal from measuring the first cell is less than or equal to a third threshold. In this case, if the terminal's location meets the deactivation condition, i.e., the measurement result obtained by the terminal from measuring the first cell is less than or equal to the third threshold, the terminal deactivates fast beam switching. For example, if the measurement result is RSRP, the indication information may include the third threshold, such as th3 = -95dBm. If the terminal measures the RSRP of the first cell and obtains it to be less than or equal to -95dBm, the terminal deactivates fast beam switching. For example, if the measurement result is SINR, the indication information may include the third threshold, such as th3 = 20dB. If the terminal measures the SINR of the first cell and obtains it to be less than or equal to 20dB, the terminal deactivates fast beam switching.
[0205] In some embodiments, if the measurement result obtained by the terminal from the first cell is less than or equal to a third threshold, the distance between the terminal and the center position of the first cell may be greater than the first threshold. Alternatively, if the measurement result obtained by the terminal from the first cell is less than or equal to the third threshold, the distance between the terminal and the edge position of the first cell may be less than a second threshold. In this case, the terminal deactivates fast beam switching.
[0206] In some embodiments, the condition indicated by the indication information (such as a deactivation condition) can be: deactivating fast beam switching if the measurement result obtained by the terminal in measuring the first cell is less than a fourth threshold. In this case, if the terminal's location meets this condition, i.e., the measurement result obtained by the terminal in measuring the first cell is less than the fourth threshold, the terminal deactivates fast beam switching. For example, if the measurement result is RSRP, the indication information may include the fourth threshold, such as th4 = -85dBm. If the RSRP obtained by the terminal in measuring the first cell is less than -85dBm, the terminal deactivates fast beam switching. For example, if the measurement result is SINR, the indication information may include the fourth threshold, such as th4 = 10dB. If the SINR obtained by the terminal in measuring the first cell is less than 10dB, the terminal deactivates fast beam switching.
[0207] In some embodiments, if the measurement result obtained by the terminal from the first cell is less than a fourth threshold, the distance between the terminal and the center position of the first cell is greater than a first threshold. Alternatively, if the measurement result obtained by the terminal from the first cell is less than a fourth threshold, the distance between the terminal and the edge position of the first cell is less than a second threshold. In this case, the terminal deactivates fast beam switching.
[0208] In some embodiments, the network device can configure deactivation conditions corresponding to different measurement requirements for the terminal. The terminal can then select a suitable deactivation condition from multiple deactivation conditions based on its own measurement needs, thereby improving measurement efficiency. For example, if the measurement result is RSRP, the third threshold may include: th3 = -95dBm or -75dBm. Since a larger th3 value makes it easier to meet the associated deactivation conditions, and the terminal can more easily deactivate fast beam switching, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th3 = -75dBm for decision-making; that is, the deactivation condition is that the RSRP obtained by the terminal in measuring the first cell is less than or equal to -75dBm. For example, if the measurement result is SINR, the third threshold may include: th3 = 10dB or 20dB. Since a larger th3 value makes it easier to meet the deactivation conditions associated with th3, and easier for the terminal to deactivate fast beam switching, when the terminal needs to reduce power consumption, the terminal can choose the deactivation condition corresponding to th3 = 20dB for decision-making, that is, the SINR obtained by the terminal from the first cell is less than or equal to 20dB. Of course, the above is only an example of the third threshold, and this disclosure does not specifically limit it.
[0209] In some embodiments, the network device can configure deactivation conditions for terminals corresponding to different measurement requirements. The terminal can then select a suitable deactivation condition from multiple deactivation conditions based on its own measurement needs, thereby improving measurement efficiency. For example, if the measurement result is RSRP, the fourth threshold may include: th4 = -95dBm or -75dBm. Since a larger th4 value makes it easier to meet the associated deactivation conditions, and the terminal can more easily deactivate fast beam switching, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th4 = -75dBm for decision-making, i.e., the deactivation condition is that the RSRP obtained by the terminal measuring the first cell is less than -75dBm. For example, if the measurement result is SINR, the fourth threshold may include: th4 = 10dB or 20dB. Since a larger th4 value makes it easier to meet the associated deactivation conditions, and the terminal can more easily deactivate fast beam switching, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th4 = 20dB for decision-making, i.e., the SINR obtained by the terminal measuring the first cell is less than 20dB. Of course, the above is only an example of the fourth threshold, and this disclosure does not specifically limit it.
[0210] In some embodiments, when the third threshold and the fourth threshold are the same and are TH1, the activation condition can be: the measurement result obtained by the terminal from the first cell is greater than TH1 (e.g., SSB RSRP > TH1), and the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than TH1 (e.g., SSB RSRP < TH1).
[0211] In some embodiments, the terms "activate", "enable", etc., may be used interchangeably. In some embodiments, the terms "deactivate", "de-enable", etc., may be used interchangeably.
[0212] At this point, the terminal has completed the rapid beam switching process of autonomous activation or deactivation.
[0213] In this embodiment of the disclosure, the network device configures at least one condition for the terminal's location association. Based on these conditions, the terminal can autonomously activate fast beam switching to reduce L3 measurement latency and improve communication efficiency. Furthermore, the terminal can also autonomously activate fast beam switching based on these conditions to flexibly configure fast beam switching and reduce signaling overhead.
[0214] The communication method involved in the embodiments of this disclosure may include at least one of steps S2101 to S2103. For example, step S2101 may be implemented as a standalone embodiment. For example, step S2102 may be implemented as a standalone embodiment. For example, step S2103 may be implemented as a standalone embodiment. For example, a combination of steps S2101 and S2102 may be implemented as a standalone embodiment. For example, a combination of steps S2101 to S2103 may be implemented as a standalone embodiment. It should be noted that the possible standalone embodiments consisting of one or more steps S2101 to S2103 are not limited thereto.
[0215] In some embodiments, step S2101 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0216] In some embodiments, step S2102 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0217] In some embodiments, step S2103 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0218] In some embodiments, the steps and their optional implementations in other embodiments described before or after this embodiment, as well as other related parts in the specification, can be referred to, and will not be repeated here.
[0219] Figure 2B is another interactive schematic diagram of the communication method provided according to an embodiment of the present disclosure. The communication method involved in the embodiment of the present disclosure can be applied to the communication system 100. As shown in Figure 2B, the communication method of the embodiment of the present disclosure includes steps S2201 to S2203.
[0220] In step S2201, the network device sends instruction information to the terminal.
[0221] Optional implementations of step S2201 can also be found in optional implementations of step S2101 in Figure 2A, as well as other related parts in the embodiments involved in Figure 2A, which will not be repeated here. In some embodiments, at least one of the above conditions can take into account the mobility of the terminal to determine whether the terminal can perform fast beam switching. When the terminal is stationary, the terminal performs fast beam switching. At this time, the terminal can activate fast beam switching, that is, complete fast beam switching by measuring based on SSBs transmitted on multiple beams. Conversely, when the terminal is moving, the terminal does not perform fast beam switching. At this time, the terminal can deactivate fast beam switching.
[0222] In some embodiments, the indication information may indicate at least one condition related to the mobility of the terminal. In one embodiment, the mobility of the terminal may be indicated by the state of the terminal. In one embodiment, the state of the terminal may be stationary. In other words, the terminal is stationary, or the terminal is at rest. In one embodiment, the state of the terminal may be moving. In other words, the terminal is moving, or the terminal is moving. In some embodiments, the terms "moving," "moving," etc., may be used interchangeably.
[0223] In some embodiments, the indication information may indicate at least one of the following conditions: activating fast beam switching when the terminal is stationary; and deactivating fast beam switching when the terminal is moving.
[0224] In some embodiments, when the indication information indicates an activation condition, the activation condition may include: the terminal is in a static state. In one embodiment, the indication information may be a first value (e.g., 1), which indicates that the terminal is in a static state. In this case, the activation condition indicated by the indication information may be a parameter indicating the terminal's state being a first value.
[0225] In some embodiments, when the indication information indicates a deactivation condition, the deactivation condition may include: the terminal's state is mobile. In one embodiment, the indication information may be a second value (e.g., 0), indicating that the terminal's state is mobile. In this case, the activation condition indicated by the indication information may be a parameter indicating the terminal's state being a second value. In some embodiments, the faster the terminal moves, the shorter the DRX cycle configured for the terminal by the network device. Conversely, the slower the terminal moves, the longer the DRX cycle. Based on this, the terminal's mobility can also be indicated by the terminal's DRX cycle. In one embodiment, the DRX parameters configured for the terminal by the network device may include at least one of a long cycle parameter (drx-LongCycle) and a short cycle parameter (drx-ShortCycle). The terminal can determine its DRX cycle based on the long cycle parameter (drx-LongCycle) and / or the short cycle parameter (drx-ShortCycle).
[0226] In some embodiments, the network device can indicate an activation condition or deactivation condition to the terminal by indicating a DRX period threshold to reflect the terminal's mobility. In some embodiments, the indication information may indicate at least one of the following conditions: activating fast beam switching (e.g., activation condition) when the terminal's DRX period is greater than a fifth threshold; activating fast beam switching (e.g., activation condition) when the terminal's DRX period is greater than or equal to a sixth threshold; deactivating fast beam switching (e.g., deactivation condition) when the terminal's DRX period is less than or equal to the fifth threshold; and deactivating fast beam switching (e.g., deactivation condition) when the terminal's DRX period is less than the sixth threshold.
[0227] In some embodiments, the fifth threshold can be described as a first cycle threshold. The first cycle threshold is used by the terminal to activate fast beam switching according to its own DRX cycle. In some embodiments, the sixth threshold can be described as a second cycle threshold. The second cycle threshold is used by the terminal to deactivate fast beam switching according to its own DRX cycle. In one example, the unit of the cycle threshold can be milliseconds (ms).
[0228] In one example, the fifth threshold could be 48ms, 64ms, 128ms, etc. In another example, the sixth threshold could be 48ms, 64ms, 128ms.
[0229] In some embodiments, the values of the fifth threshold and the sixth threshold can be the same or different. It should be noted that the values of the fifth and sixth thresholds can be set according to the actual DRX configuration of the terminal. The above are merely examples of the fifth and sixth thresholds and do not limit the values of the fifth and sixth thresholds. In some embodiments, when the indication information indicates an activation condition, the activation condition may include at least one of the following: the terminal's DRX period is greater than the fifth threshold; the terminal's DRX period is greater than or equal to the sixth threshold.
[0230] In one embodiment, the indication information may include a fifth threshold, such as th5. In this case, the activation condition indicated by the indication information may be that the terminal's DRX period is greater than th5. For example, the activation condition may be that the terminal's DRX period is greater than 48ms; the activation condition may be that the terminal's DRX period is greater than 64ms; or the activation condition may be that the terminal's DRX period is greater than 128ms. In another embodiment, the indication information may include a sixth threshold, such as th6. In this case, the activation condition indicated by the indication information may be that the terminal's DRX period is greater than or equal to th6. For example, the activation condition may be that the terminal's DRX period is greater than or equal to 48ms; the activation condition may be that the terminal's DRX period is greater than or equal to 64ms; or the activation condition may be that the terminal's DRX period is greater than or equal to 128ms.
[0231] In some embodiments, when the indication information indicates a deactivation condition, the deactivation condition may include at least one of the following: the terminal's DRX cycle is less than or equal to a fifth threshold; the terminal's DRX cycle is less than a sixth threshold.
[0232] In one embodiment, the indication information may include a fifth threshold, such as th5. In this case, the activation condition indicated by the indication information may be that the terminal's DRX period is less than or equal to th5. For example, a deactivation condition is that the terminal's DRX period is less than or equal to 48ms; an activation condition is that the terminal's DRX period is less than or equal to 64ms; and an activation condition is that the terminal's DRX period is less than or equal to 128ms. In one embodiment, the indication information may include a sixth threshold, such as th6. In this case, the activation condition indicated by the indication information may be that the terminal's DRX period is less than th6. For example, a deactivation condition is that the terminal's DRX period is less than 48ms; an activation condition is that the terminal's DRX period is less than 64ms; and an activation condition is that the terminal's DRX period is less than 128ms.
[0233] In some embodiments, since a longer DRX period results in a slower terminal movement speed and more stable fast beam switching, a smaller fifth threshold value makes it easier for the associated activation condition to activate fast beam switching. Conversely, a smaller sixth threshold value makes it easier for the associated deactivation condition to deactivate fast beam switching. Thus, by setting different values for the fifth and sixth thresholds, different activation or deactivation conditions can be configured for the terminal, allowing it to flexibly choose according to its needs and improving measurement efficiency.
[0234] In some embodiments, terminal mobility can also be indicated by the difference between the RSRP obtained by the terminal from measuring the first cell and the RSRP of the SSB obtained from the previous measurement of the first cell. The larger the difference, the faster the terminal moves. In some embodiments, the network device can indicate a power difference threshold to reflect the terminal's mobility, and then indicate activation or deactivation conditions to the terminal.
[0235] In some embodiments, the indication information may indicate at least one of the following conditions: activating fast beam switching (e.g., activation condition) when the difference between the RSRP obtained by the terminal in measuring the first cell and the RSRP of the SSB obtained in the previous measurement of the first cell is less than a seventh threshold; activating fast beam switching (e.g., activation condition) when the difference between the RSRP obtained by the terminal in measuring the first cell and the RSRP of the SSB obtained in the previous measurement of the first cell is less than or equal to an eighth threshold; deactivating fast beam switching (e.g., deactivation condition) when the difference between the RSRP obtained by the terminal in measuring the first cell and the RSRP of the SSB obtained in the previous measurement of the first cell is greater than or equal to the seventh threshold; and deactivating fast beam switching (e.g., deactivation condition) when the difference between the RSRP obtained by the terminal in measuring the first cell and the RSRP of the SSB obtained in the previous measurement of the first cell is greater than the eighth threshold.
[0236] In some embodiments, the seventh threshold can be described as a first power difference threshold. The first power difference threshold is used by the terminal to activate fast beam switching based on the difference in RSRP obtained from two adjacent measurements. In some embodiments, the eighth threshold can be described as a second power difference threshold. The second power difference threshold is used by the terminal to activate fast beam switching based on the difference in RSRP obtained from two adjacent measurements. In one example, the unit of the power difference threshold can be dBm.
[0237] In one example, the seventh threshold could be 10dBm, 20dBm, 40dBm, etc. In another example, the eighth threshold could be 10dBm, 20dBm, 40dBm.
[0238] In some embodiments, the values of the seventh threshold and the eighth threshold can be the same or different. It should be noted that the values of the seventh threshold and the eighth threshold can be set according to the actual signal coverage strength of the terminal. The above are only examples of the seventh threshold and the eighth threshold, and do not limit the values of the seventh threshold and the eighth threshold.
[0239] In some embodiments, when the indication information indicates an activation condition, the activation condition may include at least one of the following: the difference between two consecutive RSRP measurements obtained by the terminal is less than a seventh threshold; the difference between two consecutive RSRP measurements obtained by the terminal is less than or equal to an eighth threshold.
[0240] In one embodiment, the indication information may include a seventh threshold, such as th7. In this case, the activation condition indicated by the indication information can be that the difference between two adjacent RSRP measurements of the terminal is less than th7. For example, the activation condition is that the difference between two adjacent RSRP measurements of the terminal is less than 10 dBm; the activation condition is that the difference between two adjacent RSRP measurements of the terminal is less than 20 dBm; the activation condition is that the difference between two adjacent RSRP measurements of the terminal is less than 40 dBm. In another embodiment, the indication information may include an eighth threshold, such as th8. In this case, the activation condition indicated by the indication information can be that the difference between two adjacent RSRP measurements of the terminal is less than or equal to th8. For example, the activation condition is that the difference between two adjacent RSRP measurements of the terminal is less than or equal to 10 dBm; the activation condition is that the difference between two adjacent RSRP measurements of the terminal is less than or equal to 20 dBm; the activation condition is that the difference between two adjacent RSRP measurements of the terminal is less than or equal to 40 dBm.
[0241] In some embodiments, when the indication information indicates a deactivation condition, the deactivation condition may include at least one of the following: the difference between two consecutive RSRP measurements of the terminal is greater than or equal to a seventh threshold; the difference between two consecutive RSRP measurements of the terminal is greater than an eighth threshold.
[0242] In one embodiment, the indication information may include a seventh threshold, such as th7. In this case, the deactivation condition indicated by the indication information can be that the difference between two adjacent RSRP measurements of the terminal is greater than or equal to th7. For example, the deactivation condition is that the difference between two adjacent RSRP measurements of the terminal is greater than or equal to 10 dBm; the deactivation condition is that the difference between two adjacent RSRP measurements of the terminal is greater than or equal to 20 dBm; the deactivation condition is that the difference between two adjacent RSRP measurements of the terminal is greater than or equal to 40 dBm. In one embodiment, the indication information may include an eighth threshold, such as th8. In this case, the deactivation condition indicated by the indication information can be that the difference between two adjacent RSRP measurements of the terminal is greater than or equal to th8. For example, the deactivation condition is that the difference between two adjacent RSRP measurements of the terminal is greater than 10 dBm; the deactivation condition is that the difference between two adjacent RSRP measurements of the terminal is greater than 20 dBm; the deactivation condition is that the difference between two adjacent RSRP measurements of the terminal is greater than 40 dBm.
[0243] In some embodiments, since a smaller difference in RSRP between two consecutive measurements indicates a slower terminal movement speed and more stable fast beam switching, a larger value for the seventh threshold makes it easier for the associated activation condition to activate fast beam switching. Conversely, a smaller value for the eighth threshold makes it easier for the associated deactivation condition to deactivate fast beam switching. Thus, by setting different values for the seventh and eighth thresholds, different activation or deactivation conditions can be configured for the terminal, allowing it to flexibly choose according to its needs and improving measurement efficiency.
[0244] It should be noted that the fifth, sixth, seventh, and eighth thresholds mentioned above can also be described as other thresholds, and this disclosure does not specifically limit them.
[0245] In some embodiments, step S2201 may be omitted when the indication information is determined based on predefined information, such as that specified in the protocol.
[0246] In step S2202, the terminal activates fast beam switching based on the activation conditions associated with the terminal's mobility.
[0247] In some embodiments, the terminal determines to activate fast beam switching based on activation conditions associated with the terminal's mobility.
[0248] In some embodiments, the terminal determines to activate fast beam switching if the activation conditions indicated by the indication information are met. In some embodiments, the terminal activates fast beam switching after receiving the indication information if the activation conditions indicated by the indication information are met.
[0249] In some embodiments, activating fast beam switching can be understood as performing fast beam switching. In some embodiments, the activation conditions indicated by the indication information may include one of the following: the terminal's movement state is stationary; the terminal's DRX period is greater than a fifth threshold; the terminal's DRX period is greater than or equal to a sixth threshold; the difference between two adjacent RSRP measurements obtained by the terminal is less than a seventh threshold.
[0250] In some embodiments, when the mobility of the terminal is indicated by the terminal's movement state, the terminal can activate fast beam switching if relevant activation conditions are met. In one embodiment, after performing a measurement and obtaining the measurement result, the terminal can determine its own movement state based on the measurement result and activate fast beam switching if relevant activation conditions are met. Thus, after activating fast beam switching, the terminal can apply fast beam switching (e.g., in scenarios one to four) to reduce L3 measurement latency. In one embodiment, the terminal can also determine its own movement state based on its own positioning information, speed information, etc., which is not specifically limited in this embodiment.
[0251] In some embodiments, the activation condition is that the terminal is stationary. In this case, if the terminal's mobility satisfies the activation condition, i.e., the terminal is stationary, the terminal activates fast beam switching. For example, the indication information may include a first value, such as 1. If the parameter indicating the terminal's state is the first value, the terminal activates fast beam switching. For example, fast beam switching is activated when the terminal is stationary.
[0252] In some embodiments, where the terminal's mobility is indicated by its DRX cycle, the terminal can activate fast beam switching if relevant activation conditions are met. In one embodiment, the network device configures DRX parameters for the terminal, and the terminal determines its own DRX cycle based on the configured DRX parameters. Then, if the terminal meets the relevant activation conditions, it activates fast beam switching. Thus, after activating fast beam switching, the terminal can (e.g., in scenarios one through four) apply fast beam switching to reduce L3 measurement latency.
[0253] In some embodiments, the activation condition can be that the terminal's DRX period is greater than a fifth threshold. In this case, if the terminal meets this activation condition, i.e., the terminal's DRX period is greater than the fifth threshold, the terminal activates fast beam switching. For example, the indication information may include the fifth threshold, such as th5. If the terminal's DRX period is greater than th5 (e.g., DRX > th5), the terminal activates fast beam switching. For example, assuming th5 = 128ms, if the terminal's DRX period is greater than 128ms, the terminal activates fast beam switching.
[0254] In some embodiments, the slower the terminal moves, the longer the terminal's DRX period. Therefore, if the terminal's DRX period exceeds the fifth threshold, the terminal is considered stationary. It should be noted that even if the terminal's DRX period exceeds the fifth threshold, the terminal can still move at a relatively slow speed. In this case, the terminal can be considered stationary, i.e., its state is static. At this time, the terminal activates fast beam switching.
[0255] In some embodiments, the activation condition may be that the terminal's DRX period is greater than or equal to a sixth threshold. In this case, if the terminal's mobility meets this activation condition, i.e., the terminal's DRX period is greater than or equal to the sixth threshold, the terminal activates fast beam switching. For example, the indication information may include the sixth threshold, such as th6. If the terminal's DRX period is greater than or equal to th6 (e.g., DRX ≥ th6), the terminal activates fast beam switching. For example, assuming th6 = 64ms, if the terminal's DRX period is greater than or equal to 64ms, the terminal activates fast beam switching.
[0256] In some embodiments, the slower the terminal moves, the longer the terminal's DRX period. Therefore, when the terminal's DRX period is greater than or equal to the sixth threshold, the terminal is stationary. At this time, the terminal activates fast beam switching.
[0257] In some embodiments, the network device can configure activation conditions corresponding to different measurement requirements for the terminal. The terminal can then select a suitable activation condition from multiple activation conditions based on its own measurement needs, thereby improving measurement efficiency. For example, the fifth threshold may include: th5 = 64ms or 128ms. Since a smaller th5 value makes it easier to meet the associated activation conditions and for the terminal to activate fast beam switching, when the terminal needs to perform measurements quickly, it can choose the activation condition corresponding to th5 = 64ms, i.e., the activation condition is that the terminal's DRX period is greater than 64ms. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th5 = 128ms, i.e., the activation condition is that the terminal's DRX period is greater than 128ms. Of course, the above are only examples of the fifth threshold, and this disclosure does not specifically limit it. For example, the sixth threshold may include: th6 = 48ms or 128ms. Since a larger th6 value makes it easier to meet the activation conditions associated with th6, and easier for the terminal to activate fast beam switching, the terminal can choose the activation condition corresponding to th6 = 128ms when it needs to perform measurements as quickly as possible. That is, the activation condition is that the terminal's DRX period is less than 128ms. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th6 = 48ms, that is, the activation condition is that the terminal's DRX period is less than 48ms. Of course, the above are merely examples of the fifth and sixth thresholds, and this disclosure does not impose specific limitations on them.
[0258] In some embodiments, the activation condition can be: the difference between two consecutive RSRP measurements obtained by the terminal is less than a seventh threshold. In this case, if the terminal meets this activation condition, i.e., the difference between two consecutive RSRP measurements obtained by the terminal is less than the seventh threshold, the terminal activates fast beam switching. For example, the indication information may include the seventh threshold, such as th7. If the difference between two consecutive RSRP measurements obtained by the terminal is less than th7 (e.g., ΔRSRP < th7), the terminal activates fast beam switching. For example, assuming th7 = 20 dBm, if the difference between two consecutive RSRP measurements obtained by the terminal is less than 20 dBm, the terminal activates fast beam switching.
[0259] In some embodiments, the slower the terminal moves, the smaller the difference between two consecutive RSRP measurements. Therefore, if the difference between two consecutive RSRP measurements is less than the seventh threshold, the terminal is considered stationary. It should be noted that if the difference between two consecutive RSRP measurements is less than the fifth threshold, the terminal can still move at a relatively slow speed. In this case, the terminal can be considered stationary, i.e., its state is stationary. At this time, the terminal activates fast beam switching.
[0260] In some embodiments, the activation condition may be: the difference between two consecutive RSRP measurements obtained by the terminal is less than or equal to an eighth threshold. In this case, if the terminal's mobility meets this activation condition, i.e., the difference between two consecutive RSRP measurements obtained by the terminal is less than or equal to the eighth threshold, the terminal activates fast beam switching. For example, the indication information may include the eighth threshold, such as th8. If the difference between two consecutive RSRP measurements obtained by the terminal is less than or equal to th8 (e.g., ΔRSRP≤th8), the terminal activates fast beam switching. For example, assuming th8 = 40dBm, if the difference between two consecutive RSRP measurements obtained by the terminal is less than or equal to 40dBm, the terminal activates fast beam switching.
[0261] In some embodiments, the slower the terminal moves, the smaller the difference between two consecutive RSRP measurements. Therefore, when the difference between two consecutive RSRP measurements is less than or equal to the eighth threshold, the terminal is stationary. At this time, the terminal activates fast beam switching.
[0262] In some embodiments, the network device can configure activation conditions for terminals corresponding to different measurement requirements. The terminal can then select a suitable activation condition from multiple options based on its measurement needs, thereby improving measurement efficiency. For example, the seventh threshold may include: th7 = 10dBm or 40dBm. Since a larger th7 value makes it easier to meet the associated activation conditions and for the terminal to activate fast beam switching, when the terminal needs to perform measurements quickly, it can choose the activation condition corresponding to th7 = 40dBm, i.e., the activation condition is that the difference in RSRP between two consecutive measurements is less than 40dBm. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th7 = 10dBm, i.e., the activation condition is that the difference in RSRP between two consecutive measurements is less than 10dBm. For example, the eighth threshold may include: th8 = 10dBm or 20dBm. Since a larger th8 value makes it easier to meet the activation conditions associated with th8, and easier for the terminal to activate fast beam switching, the terminal can choose the activation condition corresponding to th8 = 20dBm when it needs to perform measurements quickly. That is, the activation condition is that the difference between two consecutive RSRP measurements obtained by the terminal is equal to or greater than 20dBm. When the terminal needs to reduce power consumption, it can choose the activation condition corresponding to th8 = 10dBm, that is, the activation condition is that the difference between two consecutive RSRP measurements obtained by the terminal is less than or equal to 10dBm.
[0263] It should be noted that if the terminal has activated fast beam switching before step S2202, then the terminal will maintain fast beam switching active in step S2202. In some embodiments, if the terminal has activated fast beam switching before step S2202, then the above-mentioned measurement by the terminal can also be achieved through fast beam switching.
[0264] In some embodiments, when fast beam switching is activated, network devices can transmit SSBs on different beams, and terminals perform measurements based on these SSBs, thus achieving fast beam switching. In one embodiment, the number of SSBs on different beams can be M, where M is less than or equal to 40. In some embodiments, M can also be understood as the number of SSBs associated with fast beam switching, or the number of SSBs used for fast beam switching.
[0265] In some embodiments, when fast beam switching is activated and the terminal supports power level 1 or 5 on FR2-1, M ≤ 40. In some embodiments, when fast beam switching is activated and the terminal supports power level 2, M ≤ 24. In some embodiments, when fast beam switching is activated and the terminal supports power level 3 on FR2-1, M ≤ 24.
[0266] In one example, M can be Mpss / sss_sync_w / o_gaps. In one example, for terminals supporting FR2-1 power levels 1 or 5, Mpss / sss_sync_w / o_gaps ≤ 40 (if fast beam switching is activated). In one example, for terminals supporting power level 2, Mpss / sss_sync_w / o_gaps ≤ 24 (if fast beam switching is activated). In one example, for terminals supporting FR2-1 power level 3, Mpss / sss_sync_w / o_gaps ≤ 24 (if fast beam switching is activated). In one example, M can be Mmeas_period_w / o_gaps. In one example, for terminals supporting FR2-1 power levels 1 or 5, Mmeas_period_w / o_gaps ≤ 40 (if fast beam switching is activated). In one example, for terminals that support FR2-1 power level 3, Mmeas_period_w / o_gaps ≤ 24 (if fast beam switching is activated).
[0267] In step S2203, the terminal deactivates fast beam switching based on the deactivation conditions associated with the terminal's mobility.
[0268] In some embodiments, the terminal determines deactivation fast beam switching based on deactivation conditions associated with the terminal's mobility.
[0269] In some embodiments, the terminal determines to deactivate fast beam switching if the deactivation conditions indicated by the indication information are met. In some embodiments, after receiving the indication information, the terminal deactivates fast beam switching if the deactivation conditions indicated by the indication information are met.
[0270] In some embodiments, deactivating fast beam switching can be understood as canceling the execution of fast beam switching. In some embodiments, the deactivation condition indicated by the indication information may include one of the following: the terminal is in a mobile state; the terminal's DRX period is greater than a fifth threshold; the terminal's DRX period is greater than or equal to a sixth threshold; the terminal's DRX period is less than or equal to the fifth threshold; or the terminal's DRX period is less than the sixth threshold.
[0271] In some embodiments, when the mobility of the terminal is indicated by the terminal's state, the terminal can deactivate fast beam switching if relevant deactivation conditions are met. In one embodiment, after performing a measurement and obtaining the measurement result, the terminal can determine its own mobility state based on the measurement result and deactivate fast beam switching if relevant deactivation conditions are met. In one embodiment, the terminal can also determine its own mobility state based on its own positioning information, speed information, etc., which is not specifically limited in this embodiment.
[0272] In some embodiments, the deactivation condition is that the terminal is in a mobile state. In this case, if the terminal's mobility satisfies the deactivation condition, i.e., the terminal is in a mobile state, the terminal deactivates fast beam switching. For example, the indication information may include a second value, such as 0. If the parameter indicating the terminal's state is a second value, the terminal deactivates fast beam switching. For example, fast beam switching is deactivated when the terminal is mobile.
[0273] In some embodiments, where terminal mobility is indicated by the terminal's DRX cycle, the terminal can deactivate fast beam switching if relevant deactivation conditions are met. In one embodiment, the network device configures DRX parameters for the terminal, and the terminal determines its own DRX cycle based on the configured DRX parameters. Then, fast beam switching is deactivated if relevant deactivation conditions are met.
[0274] In some embodiments, the deactivation condition may be that the terminal's DRX period is less than or equal to a fifth threshold. In this case, if the terminal's mobility meets the deactivation condition, i.e., the terminal's DRX period is less than or equal to the fifth threshold, the terminal deactivates fast beam switching. For example, the indication information may include the fifth threshold, such as th5. If the terminal's DRX period is less than or equal to th5 (e.g., DRX ≤ th5), the terminal deactivates fast beam switching. For example, assuming th5 = 128 ms, if the terminal's DRX period is less than or equal to 128 ms, the terminal deactivates fast beam switching.
[0275] In some embodiments, the deactivation condition can be that the terminal's DRX period is less than a sixth threshold. In this case, if the terminal's mobility meets this deactivation condition, i.e., the terminal's DRX period is less than the sixth threshold, the terminal deactivates fast beam switching. For example, the indication information may include the sixth threshold, such as th6. If the terminal's DRX period is less than th6 (e.g., DRX > th6), the terminal deactivates fast beam switching. For example, assuming th6 = 64ms, if the terminal's DRX period is less than 64ms, the terminal deactivates fast beam switching.
[0276] In some embodiments, the deactivation condition may be: the difference between two consecutive RSRP measurements obtained by the terminal is greater than or equal to a seventh threshold. In this case, if the terminal's mobility satisfies this deactivation condition, i.e., the difference between two consecutive RSRP measurements obtained by the terminal is greater than or equal to the seventh threshold, the terminal deactivates fast beam switching. For example, the indication information may include the seventh threshold, such as th7. If the difference between two consecutive RSRP measurements obtained by the terminal is less than th7 (e.g., ΔRSRP ≥ th7), the terminal deactivates fast beam switching. For example, assuming th7 = 20 dBm, if the difference between two consecutive RSRP measurements obtained by the terminal is greater than or equal to 20 dBm, the terminal deactivates fast beam switching.
[0277] In some embodiments, the deactivation condition may be: the difference between two consecutive RSRP measurements obtained by the terminal is greater than an eighth threshold. In this case, if the terminal's mobility satisfies the deactivation condition, i.e., the difference between two consecutive RSRP measurements obtained by the terminal is greater than the eighth threshold, the terminal deactivates fast beam switching. For example, the indication information may include the eighth threshold, such as th8. If the difference between two consecutive RSRP measurements obtained by the terminal is greater than th8 (e.g., ΔRSRP > th8), the terminal deactivates fast beam switching. For example, assuming th8 = 40 dBm, if the difference between two consecutive RSRP measurements obtained by the terminal is greater than 40 dBm, the terminal deactivates fast beam switching.
[0278] In some embodiments, the network device can configure activation conditions corresponding to different measurement requirements for the terminal. The terminal can then select a suitable activation condition from multiple activation conditions based on its own measurement needs, thereby improving measurement efficiency. For example, the fifth threshold may include: th5 = 64ms or 128ms. Since a larger th5 value makes it easier to meet the associated deactivation conditions, the terminal can more easily deactivate fast beam switching. Therefore, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th5 = 128ms, i.e., the deactivation condition is that the terminal's DRX period is less than or equal to 128ms. Of course, the above is only an example of the fifth threshold, and this disclosure does not specifically limit it. For example, the sixth threshold may include: th6 = 48ms or 128ms. Since a smaller th6 value makes it easier to meet the associated deactivation conditions, the terminal can more easily deactivate fast beam switching. Therefore, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th6 = 48ms, i.e., the activation condition is that the terminal's DRX period is less than 48ms. Of course, the above are merely examples of the fifth and sixth thresholds, and this disclosure does not impose any specific limitations on them.
[0279] In some embodiments, the network device can configure activation conditions for terminals corresponding to different measurement requirements. The terminal can then select a suitable activation condition from multiple activation conditions based on its own measurement needs, thereby improving measurement efficiency. For example, the seventh threshold may include: th7 = 10dBm or 40dBm. Since a smaller th7 value makes it easier to meet the associated deactivation conditions, the terminal can more easily deactivate fast beam switching. Therefore, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th7 = 10dBm, i.e., the deactivation condition is that the difference in RSRP obtained from two consecutive measurements is less than 10dBm. For example, the eighth threshold may include: th8 = 10dBm or 20dBm. Since a smaller th8 value makes it easier to meet the associated deactivation conditions, the terminal can more easily deactivate fast beam switching. Therefore, when the terminal needs to reduce power consumption, it can choose the deactivation condition corresponding to th8 = 10dBm, i.e., the deactivation condition is that the difference in RSRP obtained from two consecutive measurements is greater than 10dBm.
[0280] In some embodiments, when the fifth threshold and the sixth threshold are the same and are TH2, the activation condition can be: the terminal's DRX period is greater than TH2 (e.g., DRX > TH2), and the deactivation condition can be: the terminal's DRX period is less than TH2 (e.g., SSB RSRP < TH2).
[0281] In some embodiments, when the seventh threshold and the eighth threshold are the same and are TH3, the activation condition can be: the difference between two adjacent RSRP measurements of the terminal is less than TH3 (e.g., ΔRSRP < TH3), and the deactivation condition can be: the difference between two adjacent RSRP measurements of the terminal is greater than TH2 (e.g., ΔRSRP > TH3).
[0282] At this point, the terminal has completed the rapid beam switching process of autonomous activation or deactivation.
[0283] In this embodiment of the disclosure, the network device configures at least one condition for the terminal's mobility association. The terminal can autonomously activate fast beam switching based on these conditions to reduce L3 measurement, thereby reducing L3 measurement latency and improving communication efficiency. Furthermore, the terminal can also autonomously activate fast beam switching based on these conditions to flexibly configure fast beam switching and reduce signaling overhead.
[0284] The communication method involved in the embodiments of this disclosure may include at least one of steps S2201 to S2203. For example, step S2201 may be implemented as a standalone embodiment. For example, step S2202 may be implemented as a standalone embodiment. For example, step S2203 may be implemented as a standalone embodiment. For example, a combination of steps S2201 and S2202 may be implemented as a standalone embodiment. For example, a combination of steps S2201 to S2203 may be implemented as a standalone embodiment. It should be noted that the possible standalone embodiments consisting of one or more steps S2201 to S2203 are not limited thereto.
[0285] In some embodiments, step S2201 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0286] In some embodiments, step S2202 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0287] In some embodiments, step S2203 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0288] In some embodiments, the steps and their optional implementations in other embodiments described before or after this embodiment, as well as other related parts in the specification, can be referred to, and will not be repeated here.
[0289] Figure 2C is another interactive schematic diagram of the communication method provided according to an embodiment of the present disclosure. The communication method involved in the embodiment of the present disclosure can be applied to the communication system 100. As shown in Figure 2C, the communication method of the embodiment of the present disclosure includes steps S2301 to S2303.
[0290] In step S2301, the network device sends instruction information to the terminal.
[0291] Optional implementations of step S2301 can also be found in optional implementations of step S2101 in Figure 2A, optional implementations of step S2201 in Figure 2B, and other related parts in the embodiments involved in Figures 2A and 2B, which will not be repeated here.
[0292] In some embodiments, the indication information may indicate at least one condition that is related to the location and mobility of the terminal.
[0293] In some embodiments, the location of the terminal is indicated by the distance between the terminal and a reference point of the first cell, and the mobility of the terminal is indicated by the state of the terminal.
[0294] For example, the activation condition can be: the distance between the terminal and the center of the first cell is less than a first threshold, and the terminal is stationary.
[0295] For example, the activation condition can be: the distance between the terminal and the edge of the first cell is greater than or equal to a second threshold, and the terminal is in a stationary state.
[0296] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is greater than a first threshold, and the terminal is in a moving state.
[0297] For example, the deactivation condition can be: the distance between the terminal and the edge of the first cell is greater than or equal to a second threshold, and the terminal is in a moving state.
[0298] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is greater than or equal to a first threshold, and the terminal is in a stationary state.
[0299] For example, the deactivation condition can be: the distance between the terminal and the edge of the first cell is less than a second threshold, and the terminal is stationary.
[0300] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is greater than or equal to a first threshold, and the terminal is in a moving state.
[0301] For example, the deactivation condition can be: the distance between the terminal and the edge of the first cell is less than a second threshold, and the terminal is in a moving state.
[0302] In some embodiments, the location of the terminal is indicated by the distance between the terminal and a reference point of the first cell, and the mobility of the terminal is indicated by the terminal's DRX cycle.
[0303] For example, the activation condition can be: the distance between the terminal and the center of the first cell is less than a first threshold, and the terminal's DRX period is greater than a fifth threshold.
[0304] For example, the activation condition may be: the distance between the terminal and the edge location of the first cell is greater than or equal to the second threshold, and the DRX period of the terminal is greater than the fifth threshold.
[0305] For example, the activation condition may be: the distance between the terminal and the center of the first cell is less than a first threshold, and the terminal's DRX period is greater than or equal to a sixth threshold.
[0306] For example, the activation condition may be: the distance between the terminal and the edge location of the first cell is greater than or equal to the second threshold, and the DRX period of the terminal is greater than or equal to the sixth threshold.
[0307] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is greater than or equal to a first threshold, and the terminal's DRX period is greater than a fifth threshold.
[0308] For example, the deactivation condition can be: the distance between the terminal and the edge of the first cell is less than the second threshold, and the terminal's DRX period is greater than the fifth threshold.
[0309] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is less than a first threshold, and the terminal's DRX period is less than or equal to a fifth threshold.
[0310] For example, the deactivation condition can be: the distance between the terminal and the edge location of the first cell is greater than or equal to the second threshold, and the terminal's DRX period is less than or equal to the fifth threshold.
[0311] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is greater than or equal to a first threshold, and the terminal's DRX period is less than a sixth threshold.
[0312] For example, the deactivation condition can be: the distance between the terminal and the edge of the first cell is greater than or equal to the second threshold, and the terminal's DRX period is less than the sixth threshold.
[0313] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is greater than or equal to a first threshold, and the terminal's DRX period is less than or equal to a fifth threshold.
[0314] For example, the deactivation condition can be: the distance between the terminal and the edge of the first cell is less than a second threshold, and the terminal's DRX period is less than or equal to a fifth threshold.
[0315] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is greater than or equal to a first threshold, and the terminal's DRX period is less than a sixth threshold.
[0316] For example, the deactivation condition can be: the distance between the terminal and the edge of the first cell is less than a second threshold, and the terminal's DRX period is less than a sixth threshold.
[0317] For example, the deactivation condition can be: the distance between the terminal and the center of the first cell is less than a first threshold, and the terminal's DRX period is less than a sixth threshold.
[0318] For example, the deactivation condition can be: the distance between the terminal and the edge of the first cell is less than the second threshold, and the terminal's DRX period is greater than or equal to the sixth threshold.
[0319] In some embodiments, the location of the terminal is indicated by the measurement result obtained by the terminal from measuring the first cell, and the mobility of the terminal is indicated by the state of the terminal.
[0320] For example, the activation condition can be: the measurement result obtained by the terminal from the first cell is greater than the third threshold, and the terminal is in a static state.
[0321] For example, the activation condition can be: the measurement result obtained by the terminal from the first cell is greater than or equal to the fourth threshold, and the terminal is in a static state.
[0322] For example, the deactivation condition could be: the measurement result obtained by the terminal from the first cell is greater than the third threshold, and the terminal's state is mobile.
[0323] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is greater than or equal to the fourth threshold, and the terminal's state is mobile.
[0324] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than or equal to the third threshold, and the terminal is in a static state.
[0325] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than the fourth threshold, and the terminal is in a static state.
[0326] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than or equal to the third threshold, and the terminal's state is mobile.
[0327] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than the fourth threshold, and the terminal's state is mobile.
[0328] In some embodiments, the location of the terminal is indicated by the measurement result obtained by the terminal from measuring the first cell, and the mobility of the terminal is indicated by the terminal's DRX cycle.
[0329] For example, the activation condition can be: the measurement result obtained by the terminal from the first cell is greater than the third threshold, and the DRX period of the terminal is greater than the fifth threshold.
[0330] For example, the activation condition can be: the measurement result obtained by the terminal from the first cell is greater than or equal to the fourth threshold, and the DRX period of the terminal is greater than the fifth threshold.
[0331] For example, the activation condition can be: the measurement result obtained by the terminal from the first cell is greater than the third threshold, and the terminal's DRX period is greater than or equal to the sixth threshold.
[0332] For example, the activation condition can be: the measurement result obtained by the terminal from the first cell is greater than or equal to the fourth threshold, and the DRX period of the terminal is greater than or equal to the sixth threshold.
[0333] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than or equal to the third threshold, and the terminal's DRX period is greater than the fifth threshold.
[0334] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than the fourth threshold, and the terminal's DRX period is greater than the fifth threshold.
[0335] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than or equal to the third threshold, and the terminal's DRX period is greater than or equal to the sixth threshold.
[0336] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than the fourth threshold, and the terminal's DRX period is greater than or equal to the sixth threshold.
[0337] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is greater than the third threshold, and the terminal's DRX period is less than or equal to the fifth threshold.
[0338] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is greater than or equal to the fourth threshold, and the terminal's DRX period is less than or equal to the fifth threshold.
[0339] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is greater than the third threshold, and the terminal's DRX period is less than the sixth threshold.
[0340] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is greater than or equal to the fourth threshold, and the terminal's DRX period is less than the sixth threshold.
[0341] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than or equal to the third threshold, and the terminal's DRX period is less than or equal to the fifth threshold.
[0342] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than the fourth threshold, and the terminal's DRX period is less than or equal to the fifth threshold.
[0343] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than or equal to the third threshold, and the terminal's DRX period is less than the sixth threshold.
[0344] For example, the deactivation condition can be: the measurement result obtained by the terminal from the first cell is less than the fourth threshold, and the terminal's DRX period is less than the sixth threshold.
[0345] In some embodiments, the activation conditions described above may be a combination of the activation conditions in the embodiments described in FIG2A and the activation conditions in the embodiments described in FIG2B.
[0346] In some embodiments, the deactivation condition can be a combination of the deactivation condition in the embodiment shown in FIG2A and the activation condition in the embodiment shown in FIG2B. In some embodiments, the deactivation condition can be a combination of the activation condition in the embodiment shown in FIG2A and the deactivation condition in the embodiment shown in FIG2B. In some embodiments, the deactivation condition can be a combination of the deactivation condition in the embodiment shown in FIG2A and the deactivation condition in the embodiment shown in FIG2B.
[0347] In some embodiments, step S2301 may be omitted when the indication information is determined based on predefined information, such as that specified in the protocol.
[0348] In step S2302, the terminal activates fast beam switching based on activation conditions associated with the terminal's location and mobility.
[0349] Optional implementations of step S2302 can also be found in optional implementations of step S2102 in Figure 2A, optional implementations of step S2202 in Figure 2B, and other related parts in the embodiments involved in Figures 2A and 2B, which will not be repeated here.
[0350] In some embodiments, the terminal determines to activate fast beam switching if the activation conditions described above are met. In some embodiments, after receiving an indication message, the terminal activates fast beam switching if the activation conditions indicated in the indication message are met.
[0351] In some embodiments, the indication information indicates at least one condition, including at least one of the activation conditions in step S2301. Then, if the activation condition is met, the terminal activates fast beam switching.
[0352] In some embodiments, the terminal activates fast beam switching if it satisfies any combination of the activation conditions in the embodiment of FIG2A and the embodiment of FIG2B.
[0353] For example, if SSB RSRP > th3 and DRX > th5, the terminal activates fast beam switching.
[0354] It should be noted that if the terminal has activated fast beam switching before step S2302, then the terminal will remain activated for fast beam switching in step S2302. In some embodiments, if the terminal has activated fast beam switching before step S2302, then the above-mentioned measurement by the terminal can also be achieved through fast beam switching.
[0355] In some embodiments, when fast beam switching is activated, network devices can transmit SSBs on different beams, and terminals perform measurements based on these SSBs, thus achieving fast beam switching. In one embodiment, the number of SSBs on different beams can be M, where M is less than or equal to 40. In some embodiments, M can also be understood as the number of SSBs associated with fast beam switching, or the number of SSBs used for fast beam switching.
[0356] In some embodiments, when fast beam switching is activated and the terminal supports power level 1 or 5 on FR2-1, M ≤ 40. In some embodiments, when fast beam switching is activated and the terminal supports power level 2, M ≤ 24. In some embodiments, when fast beam switching is activated and the terminal supports power level 3 on FR2-1, M ≤ 24.
[0357] In one example, M can be Mpss / sss_sync_w / o_gaps. In one example, for terminals supporting FR2-1 power levels 1 or 5, Mpss / sss_sync_w / o_gaps ≤ 40 (if fast beam switching is activated). In one example, for terminals supporting power level 2, Mpss / sss_sync_w / o_gaps ≤ 24 (if fast beam switching is activated). In one example, for terminals supporting FR2-1 power level 3, Mpss / sss_sync_w / o_gaps ≤ 24 (if fast beam switching is activated). In one example, M can be Mmeas_period_w / o_gaps. In one example, for terminals supporting FR2-1 power levels 1 or 5, Mmeas_period_w / o_gaps ≤ 40 (if fast beam switching is activated). In one example, for terminals that support FR2-1 power level 3, Mmeas_period_w / o_gaps ≤ 24 (if fast beam switching is activated).
[0358] In step S2303, the terminal deactivates fast beam switching based on the deactivation conditions associated with the terminal's location and mobility.
[0359] Optional implementations of step S2303 can also be found in optional implementations of step S2103 in Figure 2A, optional implementations of step S2203 in Figure 2B, and other related parts in the embodiments involved in Figures 2A and 2B, which will not be repeated here.
[0360] In some embodiments, the terminal determines to deactivate fast beam switching if the above-described deactivation conditions are met. In some embodiments, after receiving an indication message, the terminal deactivates fast beam switching if the deactivation conditions indicated in the indication message are met.
[0361] In some embodiments, the indication information indicates at least one of the deactivation conditions in step S2301. Then, if the deactivation condition is met, the terminal deactivates fast beam switching.
[0362] In some embodiments, the terminal deactivates fast beam switching if it satisfies any combination of the deactivation conditions in the embodiment of FIG2A and the activation conditions in the embodiment of FIG2B.
[0363] In some embodiments, the terminal deactivates fast beam switching if it satisfies any combination of the activation conditions in the embodiment of FIG2A and the deactivation conditions in the embodiment of FIG2B.
[0364] In some embodiments, the terminal deactivates fast beam switching if it satisfies any combination of the deactivation conditions in the embodiment of FIG2A and the embodiment of FIG2B.
[0365] For example, if SSB RSRP < th4 and DRX > th5, the terminal deactivates fast beam switching.
[0366] For example, if SSB RSRP > th3 and DRX < th6, the terminal deactivates fast beam switching.
[0367] For example, if SSB RSRP < th4 and DRX < th6, the terminal deactivates fast beam switching.
[0368] In some embodiments, the terms "DRX cycle" and "DRX" may be used interchangeably.
[0369] At this point, the terminal has completed the rapid beam switching process of autonomous activation or deactivation.
[0370] In this embodiment, the network device configures at least one condition for the terminal. The terminal can autonomously activate fast beam switching based on this condition, its location, and mobility to reduce L3 measurement latency and improve communication efficiency. Furthermore, the terminal can also autonomously activate fast beam switching based on the network device's configuration and its own location and mobility, allowing for flexible settings and reduced signaling overhead.
[0371] The communication method involved in the embodiments of this disclosure may include at least one of steps S2301 to S2303. For example, step S2301 may be implemented as a standalone embodiment. For example, step S2302 may be implemented as a standalone embodiment. For example, step S2303 may be implemented as a standalone embodiment. For example, a combination of steps S2301 and S2302 may be implemented as a standalone embodiment. For example, a combination of steps S2301 to S2303 may be implemented as a standalone embodiment. It should be noted that the possible standalone embodiments consisting of one or more steps S2301 to S2303 are not limited thereto.
[0372] In some embodiments, step S2301 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0373] In some embodiments, step S2302 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0374] In some embodiments, step S2303 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0375] In some embodiments, the steps and their optional implementations in other embodiments described before or after this embodiment, as well as other related parts in the specification, can be referred to, and will not be repeated here.
[0376] In the following, the technical solutions of the embodiments of this disclosure will be described by way of specific implementation.
[0377] In some embodiments, based on specific criteria / conditions, the terminal may autonomously activate or deactivate fast beam switching to reduce L3 measurements.
[0378] In one embodiment, possible criteria / conditions may be: the location of the terminal (UE), such as cell center or cell edge; and the mobility of the terminal (UE), such as stationary or moving.
[0379] In some embodiments, an important aspect that needs clarification is the DRX scenario, which is one of the most effective methods for reducing terminal power consumption in current practical deployments. When performing measurements in a DRX scenario, the power consumption and measurement latency themselves should be weighed more carefully. Therefore, it is recommended that DRX be used as one of the conditions for activating or deactivating FBS. In one embodiment, in practical deployments, the DRX configuration can also indicate the mobility status. For example, in a stationary state, longer DRX (such as DRX cycles) may be allowed.
[0380] In some embodiments, the terminal's location information is unnecessary. The terminal can roughly estimate its location and distance from the gNB based on the ongoing RSRP / SINR.
[0381] In some embodiments, the conditions for activating or deactivating FBS proposed to reduce L3 measurements (e.g., UE mobility, UE location) can be more accurately indicated by the RSRP configured and measured by the DRX.
[0382] In one embodiment, activating L3 measurement (intra-frequency / inter-frequency) FBS can be based on the following conditions: SSB RSRP and / or DRX configuration.
[0383] In one example, Table 1 below shows the target scenario where the terminal can autonomously activate FBS:
[0384] Table 1
[0385] In some embodiments, the following specifications may be updated in TS38.133:
[0386] Mpss / sss_sync_w / o_gaps: For UEs supporting FR2-1 power level 1 or 5, Mpss / sss_sync_w / o_gaps ≤ 40 (if Fast Beamscan is activated). For UEs supporting power level 2, Mpss / sss_sync_w / o_gaps ≤ 24 (if Fast Beamscan is activated). For UEs supporting FR2-1 power level 3, Mpss / sss_sync_w / o_gaps ≤ 24 (if Fast Beamscan is activated). For UEs supporting FR2-1 power level 4, Mpss / sss_sync_w / o_gaps = 24. For UEs supporting FR2-2 power level 1, Mpss / sss_sync_w / o_gaps = 60. For UEs supporting FR2-2 power level 2, Mpss / sss_sync_w / o_gaps = 36. For UEs supporting FR2-2 power level 3, Mpss / sss_sync_w / o_gaps = 36.
[0387] M meas_period_w / o_gaps For UEs supporting FR2-1 power level 1 or 5, M meas_period_w / o_gaps ≤40 (if fast beam scanning is activated). For UEs supporting FR2-1 power level 2, M meas_period_w / o_gaps =24. For UEs supporting FR2-1 power class 3, M meas_period_w / o_gaps ≤24 (if fast beam scanning is activated). For UEs supporting power level 4, M meas_period_w / o_gaps =24. For UEs supporting FR2-2 power level 1, M meas_period_w / o_gaps =60. For UEs supporting FR2-2 power level 2, M meas_period_w / o_gaps =36. For UEs supporting FR2-2 power class 3, M meas_period_w / o_gaps =36.
[0388] In some embodiments, the terminal may autonomously activate FBS if the following conditions are met: SSB RSRP > threshold 1; and DRX > threshold 3.
[0389] In some embodiments, the following specifications may be updated in TS38.133:
[0390] Mpss / sss_sync_w / o_gaps: For UEs supporting FR2-1 power level 1 or 5, Mpss / sss_sync_w / o_gaps ≤ 40 (if Fast Beamscan is activated). For UEs supporting power level 2, Mpss / sss_sync_w / o_gaps ≤ 24 (if Fast Beamscan is activated). For UEs supporting FR2-1 power level 3, Mpss / sss_sync_w / o_gaps ≤ 24 (if Fast Beamscan is activated). For UEs supporting FR2-1 power level 4, Mpss / sss_sync_w / o_gaps = 24. For UEs supporting FR2-2 power level 1, Mpss / sss_sync_w / o_gaps = 60. For UEs supporting FR2-2 power level 2, Mpss / sss_sync_w / o_gaps = 36. For UEs supporting FR2-2 power level 3, Mpss / sss_sync_w / o_gaps = 36.
[0391] M meas_period_w / o_gaps For UEs supporting FR2-1 power level 1 or 5, M meas_period_w / o_gaps ≤40 (if fast beam scanning is activated). For UEs supporting FR2-1 power level 2, M meas_period_w / o_gaps =24. For UEs supporting FR2-1 power class 3, M meas_period_w / o_gaps ≤24 (if fast beam scanning is activated). For UEs supporting power level 4, M meas_period_w / o_gaps =24. For UEs supporting FR2-2 power level 1, M meas_period_w / o_gaps =60. For UEs supporting FR2-2 power level 2, M meas_period_w / o_gaps =36. For UEs supporting FR2-2 power class 3, M meas_period_w / o_gaps =36.
[0392] In some embodiments, the terminal may autonomously activate FBS if the following conditions are met: SSB RSRP > threshold 1; or DRX > threshold 3.
[0393] In some embodiments, the terminal autonomously performs measurements using fast beam switching.
[0394] In some embodiments, the terminal may activate or deactivate fast beam switching for measurement based on specific conditions.
[0395] In some embodiments, the above conditions include at least the RSRP measurement results and DRX configuration available to the terminal.
[0396] In some embodiments, if the RSRP measurement result is greater than a threshold value, the terminal can determine whether to activate or deactivate fast beam switching.
[0397] In some embodiments, when the DRX is greater than a threshold value, the terminal can determine whether to activate or deactivate fast beam switching.
[0398] In some embodiments, the above conditions may be applied individually or in combination.
[0399] In the embodiments disclosed herein, some or all of the steps and their optional implementations may be arbitrarily combined with some or all of the steps in other embodiments, or may be arbitrarily combined with the optional implementations in other embodiments.
[0400] This disclosure also provides communication apparatuses for implementing any of the above methods. For example, this disclosure provides a communication apparatus including units or modules for implementing the steps performed by a terminal in any of the above methods. For example, this disclosure provides a communication apparatus including units or modules for implementing the steps performed by a network device in any of the above methods.
[0401] It should be understood that the division of units or modules in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated. Furthermore, the units or modules in the device can be implemented by a processor calling software: for example, the device includes a processor connected to a memory containing instructions. The processor calls the instructions stored in the memory to implement any of the above methods or to implement the functions of the units or modules in the above device. The processor can be, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory can be internal or external to the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits. The functionality of some or all of the units or modules can be achieved through the design of these hardware circuits, which can be understood as one or more processors. For example, in one implementation, the hardware circuit is an application-specific integrated circuit (ASIC). The functionality of some or all of the units or modules is achieved through the design of the logical relationships between the components within the circuit. In another implementation, the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through a configuration file, thereby achieving the functionality of some or all of the units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.
[0402] In this disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction read and execute capabilities, such as a central processing unit (CPU), microprocessor, graphics processing unit (GPU) (which can be understood as a type of microprocessor), or digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable. For example, the processor is a hardware circuit implemented as an application-specific integrated circuit (ASIC) or a programmable logic device (FPGA). In a reconfigurable hardware circuit, the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. Furthermore, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), tensor processing unit (TPU), deep learning processing unit (DPU), etc.
[0403] Figure 3 is a schematic diagram of a communication device provided according to an embodiment of the present disclosure. As shown in Figure 3, the communication device 300 may include at least one of the following: a transceiver module 301 and a processing module 302.
[0404] In some embodiments, the communication device 300 may be a terminal. In some embodiments, the transceiver module 301 is configured to receive indication information sent by a network device, the indication information indicating at least one condition. Optionally, the transceiver module 301 may be configured to perform at least one of the communication steps (such as steps S2101, S2201, and S2301, but not limited thereto) performed by the terminal in any of the above methods, which will not be elaborated here. In some embodiments, the processing module 302 is configured to activate or deactivate fast beam switching based on the location and / or mobility of the terminal and at least one condition. Optionally, the processing module 302 may be configured to perform at least one of the steps (such as steps S2102, S2103, S2202, S2203, S2302, and S2303, but not limited thereto) performed by the terminal in any of the above methods other than the communication steps (such as steps S2102, S2103, S2202, S2203, S2302, and S2303, but not limited thereto) performed by the terminal, which will not be elaborated here.
[0405] In some embodiments, the communication device 300 may be a network device. In some embodiments, the transceiver module 301 is configured to activate or deactivate fast beam switching based on the location and / or mobility of the terminal and at least one condition. Optionally, the transceiver module 301 may be configured to perform at least one of the communication steps (such as steps S2101, S2201, and S2301, but not limited thereto) performed by the network device in any of the above methods, which will not be elaborated here.
[0406] In some embodiments, the transceiver module may include a transmitting module and / or a receiving module. The transmitting and receiving modules may be separate or integrated. Optionally, the transceiver module may be interchangeable with a transceiver.
[0407] In some embodiments, the processing module may be a single module or may include multiple sub-modules. Optionally, the multiple sub-modules may each perform all or part of the steps required by the processing module. Optionally, the processing module may be interchangeable with a processor.
[0408] Figure 4A is a schematic diagram of a communication device provided according to an embodiment of the present disclosure. The communication device 4100 can be a terminal or a network device, or a chip, chip system, or processor that supports the terminal or network device in implementing any of the above methods. The communication device 4100 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.
[0409] As shown in Figure 4A, the communication device 4100 includes one or more processors 4101. The processor 4101 can be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU). The baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control communication devices (e.g., base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute programs, and process program data. Optionally, the communication device 4100 can be used to execute any of the above methods. Optionally, one or more processors 4101 can be used to invoke instructions to cause the communication device 4100 to execute any of the above methods.
[0410] In some embodiments, the communication device 4100 further includes one or more transceivers 4102. When the communication device 4100 includes one or more transceivers 4102, the transceiver 4102 performs at least one of the communication steps (such as steps S2101, S2201, and S2301, but not limited thereto) in the above-described method, including sending and / or receiving. The processor 4101 performs at least one of other steps (such as steps S2102, S2103, S2202, S2203, S2302, and S2303, but not limited thereto). In optional embodiments, the transceiver may include a receiver and / or a transmitter, which may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, and interface can be used interchangeably; the terms transmitter, transmitting unit, transmitter, and transmitting circuit can be used interchangeably; and the terms receiver, receiving unit, receiver, and receiving circuit can be used interchangeably.
[0411] In some embodiments, the communication device 4100 further includes one or more memories 4103 for storing data. Optionally, all or part of the memories 4103 may be located outside the communication device 4100. In optional embodiments, the communication device 4100 may include one or more interface circuits 4104. Optionally, the interface circuits 4104 are connected to the memories 4103 and can be used to receive data from the memories 4103 or other devices, and can be used to send data to the memories 4103 or other devices. For example, the interface circuits 4104 can read data stored in the memories 4103 and send the data to the processor 4101.
[0412] The communication device 4100 described in the above embodiments may be a terminal or a network device, but the scope of the communication device 4100 described in this disclosure is not limited thereto, and the structure of the communication device 4100 may not be limited by FIG4A. The communication device may be a standalone device or may be part of a larger device. For example, the communication device may be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the IC collection may also include storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (6) others, etc.
[0413] Figure 4B is a schematic diagram of a chip provided according to an embodiment of the present disclosure. For cases where the communication device 4100 can be a chip or a chip system, please refer to the schematic diagram of the chip 4200 shown in Figure 4B, but it is not limited thereto.
[0414] In some embodiments, chip 4200 includes one or more processors 4201. Chip 4200 is used to perform any of the methods described above.
[0415] In some embodiments, chip 4200 further includes one or more interface circuits 4202. Optionally, terms such as interface circuit, interface, and transceiver pin can be used interchangeably. In some embodiments, chip 4200 further includes one or more memories 4203 for storing data. Optionally, all or part of the memories 4203 may be located outside chip 4200. Optionally, interface circuit 4202 is connected to memory 4203, and interface circuit 4202 can be used to receive data from memory 4203 or other devices, and interface circuit 4202 can be used to send data to memory 4203 or other devices. For example, interface circuit 4202 can read data stored in memory 4203 and send the data to processor 4201.
[0416] In some embodiments, the interface circuit 4202 performs at least one of the communication steps (such as steps S2101, S2201, and S2301, but not limited thereto) in the above-described method, including sending and / or receiving. For example, the interface circuit 4202 performing the communication steps (such as sending and / or receiving) in the above-described method means that the interface circuit 4202 performs data interaction between the processor 4201, the chip 4200, the memory 4203, or the transceiver device. In some embodiments, the processor 4201 performs at least one of other steps (such as steps S2102, S2103, S2202, S2203, S2302, and S2303, but not limited thereto).
[0417] The modules and / or devices described in the various embodiments, such as virtual devices, physical devices, and chips, can be combined or separated arbitrarily as needed. Optionally, some or all steps can also be performed collaboratively by multiple modules and / or devices, which is not limited here.
[0418] This disclosure also proposes a storage medium storing instructions that, when executed on a communication device 4100, cause the communication device 4100 to perform any of the methods described above. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but not limited thereto; it may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.
[0419] This disclosure also proposes a program product that, when executed by a communication device 4100, causes the communication device 4100 to perform any of the above methods. Optionally, the program product is a computer program product.
[0420] This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.
[0421] Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of the invention are indicated by the following claims.
[0422] It should be understood that the present invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of the invention is limited only by the appended claims.
Claims
A communication method, executed by a terminal, the method comprising: Receive indication information sent by a network device, the indication information indicating at least one condition; Based on at least one of the conditions, activate or deactivate fast beam switching. The method of claim 1, wherein The at least one condition includes an activation condition and / or a deactivation condition; The step of activating or deactivating fast beam switching based on the indication information includes: Based on the activation conditions, fast beam switching is activated; or, Based on the aforementioned deactivation conditions, fast beam switching is deactivated. The method according to claim 1 or 2, wherein The activation condition includes one of the following: The distance between the terminal and the center of the first cell is less than a first distance threshold; The reference signal received power RSRP of the synchronization reference signal SSB obtained by the terminal from the first cell is greater than the first power threshold. The signal-to-interference-plus-noise ratio (SINR) of the SSB obtained by the terminal from the first cell is greater than the first signal quality threshold. The terminal is in a stationary state; The terminal's discontinuous reception DRX period is greater than the first period threshold. The difference between the RSRP of the SSB obtained by the terminal in the first cell measurement and the RSRP of the SSB obtained in the previous measurement of the first cell is less than the first power difference threshold. The method according to claim 1 or 2, wherein The deactivation condition includes one of the following: The distance between the terminal and the edge of the first cell is less than the second distance threshold; The RSRP of the SSB obtained by the terminal from the first cell is less than the second power threshold; The SINR of the SSB obtained by the terminal from the first cell is less than the second signal quality threshold; The terminal is in a mobile state; The DRX period of the terminal is less than the second period threshold; The difference between the RSRP of the SSB obtained by the terminal in the first cell measurement and the RSRP of the SSB obtained in the previous measurement of the first cell is greater than the second power difference threshold. The method according to claim 1 or 2, wherein The activation condition includes one of the following: The terminal measures the RSRP of the SSB obtained from the first cell, which is greater than the first power threshold, and the terminal's DRX period is greater than the first period threshold. The terminal measures that the SINR of the SSB obtained from the first cell is greater than the first signal quality threshold, and the terminal's DRX period is greater than the first period threshold. The method according to claim 1 or 2, wherein The deactivation condition includes one of the following: The terminal measures the RSRP of the SSB obtained from the first cell, which is greater than the first power threshold, and the terminal's DRX period is less than the second period threshold. The SINR of the SSB obtained by the terminal from the first cell is greater than the first signal quality threshold, and the DRX period of the terminal is less than the second period threshold. The terminal measures the RSRP of the SSB obtained from the first cell, which is less than the second power threshold, and the terminal's DRX period is greater than the first period threshold. The terminal measures that the SINR of the SSB obtained from the first cell is less than the second signal quality threshold, and the terminal's DRX period is greater than the first period threshold. The method according to any one of claims 1 to 6, wherein, The fast beam switching is activated, the power level on the frequency range FR2-1 supported by the terminal is 1 or 5, and the number of SSBs associated with the fast beam switching is less than or equal to 40; or, The fast beam switching is activated, the terminal supports power level 2, and the number of SSBs associated with the fast beam switching is less than or equal to 24; or, The fast beam switching is activated, the power level on the FR2-1 supported by the terminal is 3, and the number of SSBs associated with the fast beam switching is less than or equal to 24. A communication method, performed by a network device, the method comprising: Send an instruction message to the terminal, the instruction message indicating at least one condition, the at least one condition being used to trigger the terminal to activate or deactivate fast beam switching. The method of claim 8, wherein, The at least one condition includes an activation condition and / or a deactivation condition; the activation condition is used to trigger the terminal to activate fast beam switching, or the deactivation condition is used to trigger the terminal to deactivate fast beam switching. The method according to claim 8 or 9, wherein The activation condition includes one of the following: The distance between the terminal and the center of the first cell is less than a first distance threshold; The reference signal received power RSRP of the synchronization reference signal SSB obtained by the terminal from the first cell is greater than the first power threshold. The signal-to-interference-plus-noise ratio (SINR) of the SSB obtained by the terminal from the first cell is greater than the first signal quality threshold. The terminal is in a stationary state; The terminal's discontinuous reception DRX period is greater than the first period threshold. The difference between the RSRP of the SSB obtained by the terminal in the first cell measurement and the RSRP of the SSB obtained in the previous measurement of the first cell is less than the first power difference threshold. The method according to claim 8 or 9, wherein The deactivation condition includes one of the following: The distance between the terminal and the edge of the first cell is less than the second distance threshold; The RSRP of the SSB obtained by the terminal from the first cell is less than the second power threshold; The SINR of the SSB obtained by the terminal from the first cell is less than the second signal quality threshold; The terminal is in a mobile state; The DRX period of the terminal is less than the second period threshold; The difference between the RSRP of the SSB obtained by the terminal in the first cell measurement and the RSRP of the SSB obtained in the previous measurement of the first cell is greater than the second power difference threshold. The method according to claim 8 or 9, wherein The activation condition includes one of the following: The terminal measures the RSRP of the SSB obtained from the first cell, which is greater than the first power threshold, and the terminal's DRX period is greater than the first period threshold. The terminal measures that the SINR of the SSB obtained from the first cell is greater than the first signal quality threshold, and the terminal's DRX period is greater than the first period threshold. The method according to claim 8 or 9, wherein The deactivation condition includes one of the following: The terminal measures the RSRP of the SSB obtained from the first cell, which is greater than the first power threshold, and the terminal's DRX period is less than the second period threshold. The SINR of the SSB obtained by the terminal from the first cell is greater than the first signal quality threshold, and the DRX period of the terminal is less than the second period threshold. The terminal measures the RSRP of the SSB obtained from the first cell, which is less than the second power threshold, and the terminal's DRX period is greater than the first period threshold. The terminal measures that the SINR of the SSB obtained from the first cell is less than the second signal quality threshold, and the terminal's DRX period is greater than the first period threshold. The method according to any one of claims 8 to 13, wherein The fast beam switching is activated, the power level on the frequency range FR2-1 supported by the terminal is 1 or 5, and the number of SSBs associated with the fast beam switching is less than or equal to 40; or, The fast beam switching is activated, the terminal supports power level 2, and the number of SSBs associated with the fast beam switching is less than or equal to 24; or, The fast beam switching is activated, the power level on the FR2-1 supported by the terminal is 3, and the number of SSBs associated with the fast beam switching is less than or equal to 24. A terminal, wherein, It is configured to perform the method as described in any one of claims 1 to 8. A network device, wherein, It is configured to perform the method as described in any one of claims 9 to 14. A communication device, wherein include: One or more processors; The communication device is used to perform the communication method as described in any one of claims 1 to 8. A communication device, wherein include: One or more processors; The communication device is used to perform the communication method as described in any one of claims 9 to 14. A communication system characterized by The device includes a terminal and a network device, wherein the terminal is configured to implement the communication method of any one of claims 1 to 8, and the network device is configured to implement the communication method of any one of claims 9 to 14. A computer storage medium storing a computer program, wherein When the computer program is executed by a processor, it implements the steps of the communication method according to any one of claims 1 to 8. A computer storage medium storing a computer program, wherein When the computer program is executed by a processor, it implements the steps of the communication method according to any one of claims 9 to 14. A computer program product includes instructions, wherein when the computer program is executed by a terminal, it implements the steps of the communication method as described in any one of claims 1 to 8. A computer program product includes instructions, wherein when the computer program is executed by a terminal, it implements the steps of the communication method as described in any one of claims 9 to 14.