Communication method and apparatus, and storage medium

CN122123047APending Publication Date: 2026-05-29BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Filing Date
2024-09-29
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

In existing 5G New Radio technologies, terminal devices lack flexibility and efficiency in the SCell activation process, making it difficult to effectively utilize the On-Demand Synchronization Signal Block (OD-SSB) for dynamic resource management.

Method used

The network device sends the first command to the terminal, triggering the terminal to activate the secondary cell SCell based on OD-SSB, thereby realizing dynamic resource management and ensuring that the terminal can activate the SCell as needed.

Benefits of technology

It improves the flexibility and efficiency of the SCell activation process, ensures the smooth operation of SCell activation, and is suitable for various communication technology environments.

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Abstract

The application provides a communication method and device and a storage medium. The application receives a first command for implementing dynamic resource management sent by a network device by a terminal, so as to perform SCell activation based on OD-SSB under the triggering of the first command, and ensure that the terminal can implement SCell activation based on OD-SSB.
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Description

Communication method and apparatus, and storage medium TECHNICAL FIELD

[0001] The present disclosure relates to the field of communications, and in particular to a communication method and apparatus, and a storage medium. BACKGROUND

[0002] The 5th Generation Mobile Communication Technology (5G) New Radio (NR) introduces an on-demand synchronization signal block (OD-SSB) mechanism, so that a terminal can dynamically request and receive a synchronization signal block (SSB) according to demand, to improve network resource utilization efficiency and optimize network performance.

[0003] SUMMARY

[0004] In order to regulate the behavior of the terminal when using the OD-SSB to perform SCell activation, the embodiments of the present disclosure provide a communication method and apparatus, and a storage medium.

[0005] According to a first aspect of the embodiments of the present disclosure, a communication method is provided, applied to a terminal, and the method comprises: receiving a first command sent by a network device, the first command being used to implement dynamic resource management; and performing SCell activation based on a first synchronization signal block (SSB), the first SSB being an on-demand synchronization signal block (OD-SSB).

[0006] According to a second aspect of the embodiments of the present disclosure, a communication method is provided, applied to a network device, and the method comprises: sending a first command to a terminal, the first command being used to implement dynamic resource management, and the first command also being used to trigger the terminal to perform SCell activation based on a first SSB, the first SSB being an OD-SSB.

[0007] According to a third aspect of the embodiments of the present disclosure, a terminal is provided, comprising: a transceiver module configured to receive a first command sent by a network device, the first command being used to implement dynamic resource management; and a processing module configured to perform SCell activation based on a first synchronization signal block (SSB), the first SSB being an on-demand synchronization signal block (OD-SSB).

[0008] According to a fourth aspect of embodiments of the present disclosure, a network device is provided, comprising: a transceiver configured to transmit a first command to a terminal, the first command being used to implement dynamic resource management, and the first command further being used to trigger the terminal to perform SCell activation based on a first SSB, the first SSB being an OD-SSB.

[0009] According to a fifth aspect of embodiments of the present disclosure, a terminal is provided, comprising: one or more processors; and wherein the terminal is configured to perform the communication method according to the first aspect.

[0010] According to a sixth aspect of embodiments of the present disclosure, a network device is provided, comprising: one or more processors; and wherein the network device is configured to perform the communication method according to the second aspect.

[0011] According to a seventh aspect of embodiments of the present disclosure, a communication system is provided, comprising a terminal and a network device, wherein the terminal is configured to perform the communication method according to the first aspect, and the network device is configured to perform the communication method according to the second aspect.

[0012] According to an eighth aspect of embodiments of the present disclosure, a storage medium is provided, the storage medium storing instructions that, when executed on a communication device, cause the communication device to perform the communication method according to the first aspect or the second aspect.

[0013] According to embodiments of the present disclosure, the network device transmits a first command used to implement dynamic resource management to the terminal, so that the terminal can receive the first command transmitted by the network device, and perform SCell activation based on the OD-SSB under the trigger of the first command, so as to ensure that the terminal can implement SCell activation based on the OD-SSB.

[0014] It should be understood that the general description above and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present disclosure and serve to explain the principles of the present disclosure together with the specification.

[0016] FIG. 1 is a schematic diagram of an architecture of a communication system according to embodiments of the present disclosure.

[0017] FIG. 2A is a schematic diagram of a scenario in which a base station triggers an OD-SSB according to embodiments of the present disclosure.

[0018] FIG. 2B is a schematic diagram of a scenario in which a base station triggers an OD-SSB according to embodiments of the present disclosure.

[0019] FIG. 2C is a schematic diagram of a scenario of a base station triggering OD-SSB, according to an embodiment of the present disclosure.

[0020] FIG. 2D is a schematic diagram of a scenario of a base station triggering OD-SSB, according to an embodiment of the present disclosure.

[0021] FIG. 2E is a schematic diagram of a scenario of a base station triggering OD-SSB, according to an embodiment of the present disclosure.

[0022] FIG. 2F is a schematic diagram of a scenario of a base station triggering OD-SSB, according to an embodiment of the present disclosure.

[0023] FIG. 2G is a schematic diagram of a scenario of a base station triggering OD-SSB, according to an embodiment of the present disclosure.

[0024] FIG. 2H is a schematic diagram of a scenario of a base station triggering OD-SSB, according to an embodiment of the present disclosure.

[0025] FIG. 3 is a schematic diagram of interactions of a communication method, according to an embodiment of the present disclosure.

[0026] FIG. 4A is a flow diagram of a communication method, according to an embodiment of the present disclosure.

[0027] FIG. 4B is a flow diagram of a communication method, according to an embodiment of the present disclosure.

[0028] FIG. 5A is a schematic diagram of a structure of a terminal, according to an embodiment of the present disclosure.

[0029] FIG. 5B is a schematic diagram of a structure of a network device, according to an embodiment of the present disclosure.

[0030] FIG. 6A is a schematic diagram of a structure of a communication device 6100, according to an embodiment of the present disclosure.

[0031] FIG. 6B is a schematic diagram of a structure of a chip 6200, according to an embodiment of the present disclosure. DETAILED DESCRIPTION

[0032] The exemplary embodiments will be described in detail herein below with reference to the drawings. In the following description, the same numbers are used to denote the same elements, and so on, unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all the implementations in accordance with the present disclosure. Instead, they simply represent example implementations consistent with some aspects of the present disclosure, as detailed in the appended claims.

[0033] The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting thereof. As used in this disclosure and the appended claims, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0034] It is to be understood that, although the terms first, second, third, etc. can be used herein to describe various messages, these messages should not be limited to these terms. These terms are only used to distinguish one message from another. For example, a first message can also be termed a second message, and, similarly, a second message can also be termed a first message, without departing from the scope of the present disclosure. Depending on the context, the word "if' as used herein can be interpreted as meaning "when" or "in response to determining" or "in response to ascertaining".

[0035] Embodiments of the present disclosure provide a communication method and apparatus, and a storage medium.

[0036] In a first aspect, embodiments of the present disclosure provide a communication method applied to a terminal, the method comprising: receiving a first command sent by a network device, the first command being used for implementing dynamic resource management; performing secondary cell (SCell) activation based on a first synchronization signal block (SSB), the first SSB being an on-demand SSB (OD-SSB).

[0037] In the above embodiment, by receiving, by the terminal, the first command sent by the network device and used for implementing dynamic resource management, SCell activation is performed based on the OD-SSB under the triggering of the first command, so as to ensure that the terminal can implement SCell activation based on the OD-SSB.

[0038] In combination with some embodiments of the first aspect, in some embodiments, the method further comprises any one of the following: receiving a first SSB sent by the network device; receiving a first SSB and a second SSB sent by the network device, the second SSB being an always activated SSB.

[0039] In the above embodiment, by interacting, by the network device, with the terminal, the first SSB activated on demand, or by interacting, by the network device, with the terminal, the first SSB and the second SSB always activated, it is ensured that the terminal can implement acquisition of the corresponding SSB, so as to implement SCell activation based on the acquired SSB.

[0040] In some embodiments of the first aspect, in some embodiments, the first command comprises a command for triggering the terminal to activate the SCell, or the first command comprises a command for triggering the terminal to activate the SCell and a command for triggering the first SSB; the terminal receives the first SSB sent by the network device, and the performing, by the terminal, the SCell activation based on the first synchronization signal block (SSB) comprises any one of the following: performing the SCell activation based on the first SSB at a first time, the first time being a time of receiving the first command for triggering the terminal to activate the SCell; or performing the SCell activation based on the first SSB at a second time, the second time being a later time of the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0041] In the above embodiments, in the case where the terminal receives the first SSB sent by the network device, the terminal determines the starting time of performing the SCell activation based on the first SSB according to different first commands sent by the network device, so as to improve the flexibility of the SCell activation process.

[0042] In some embodiments of the first aspect, in some embodiments, the performing, by the terminal, the SCell activation based on the first SSB at the first time further comprises: determining the latest time of completing the SCell activation based on at least one of the following: a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing the hybrid automatic repeat, a time of activating the SCell, a time of sending the channel state information (CSI) report, a new radio (NR) slot length, an interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0043] In the above embodiments, in the case where the terminal performs the SCell activation based on the first SSB at the first time, the terminal can determine the latest time of completing the SCell activation based on which information, so as to ensure the smooth progress of the SCell activation process.

[0044] In some embodiments of the first aspect, in some embodiments, the latest time of completing the SCell activation is an m1th slot, and m1 has a value of: wherein n represents a time of receiving the first command for triggering the terminal to activate the SCell as an nth slot, THARQ represents the time of performing the hybrid automatic repeat, T activation_time represents the time of activating the SCell, T SCI_Reporting represents the time of sending the CSI report, and NR slot length represents the NR slot length. uncertainty_ODSSBan interval time between a time of receiving the first command for triggering the terminal to activate the SCell and a time of receiving the first command for triggering the first SSB.

[0045] In the above embodiment, optional implementation of determining the latest time of completing the SCell activation in the case that the terminal performs the SCell activation based on the first SSB at the first time is provided, to ensure the smooth progress of the SCell activation process.

[0046] In combination with some embodiments of the first aspect, in some embodiments, the SCell activation is performed based on the first SSB at the second time, and the method further includes: determining the latest time of completing the SCell activation based on at least one of a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing the hybrid automatic repeat, a time of activating the SCell, a time of sending the CSI report, and a length of a new radio, NR, slot.

[0047] In the above embodiment, in the case that the terminal performs the SCell activation based on the first SSB at the second time, information based on which the determination of the latest time of completing the SCell activation is implemented, to ensure the smooth progress of the SCell activation process.

[0048] In combination with some embodiments of the first aspect, in some embodiments, the latest time of completing the SCell activation is the m2th slot, and the value of m2 is: wherein n represents a time of receiving the first command for triggering the terminal to activate the SCell as the nth slot, T HARQ represents the time of performing the hybrid automatic repeat, T activation_time represents the time of activating the SCell, T SCI_Reporting represents the time of sending the CSI report, and NR slot length represents the length of the NR slot.

[0049] In the above embodiment, optional implementation of determining the latest time of completing the SCell activation in the case that the terminal performs the SCell activation based on the first SSB at the second time is provided, to ensure the smooth progress of the SCell activation process.

[0050] In combination with some embodiments of the first aspect, in some embodiments, the method further includes: performing the SCell activation based on the activated first SSB.

[0051] In the above embodiment, the SCell activation is performed by the terminal based on the activated first SSB, to ensure the smooth progress of the SCell activation process.

[0052] In some embodiments of the first aspect, in some embodiments, the first command comprises a command for triggering the terminal to activate the SCell; the terminal receives a first SSB and a second SSB sent by the network device, and the performing of the SCell activation based on the first synchronization signal block (SSB) comprises any one of the following: performing the SCell activation based on the first SSB at a first time, the first time being a time of receiving the first command for triggering the terminal to activate the SCell; performing the SCell activation based on the first SSB at a third time, the third time being a time of receiving a first available SSB after the terminal receives the first command for triggering the terminal to activate the SCell; performing the SCell activation based on the first SSB at a fourth time, the fourth time being a time of receiving a latest SSB after the terminal receives the first command for triggering the terminal to activate the SCell.

[0053] In the above embodiments, in the case where the terminal receives a first SSB and a second SSB sent by the network device, the terminal determines the starting time of performing the SCell activation based on the first SSB according to different first commands sent by the network device, so as to improve the flexibility of the SCell activation process.

[0054] In some embodiments of the first aspect, in some embodiments, the method further comprises: determining a latest time of completing the SCell activation based on at least one of the following: a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing the hybrid automatic repeat, a time of activating the SCell, a time of sending the CSI report, a length of an NR slot, and an interval between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0055] In the above embodiments, in the case where the terminal receives a first SSB and a second SSB sent by the network device, the terminal can determine the latest time of completing the SCell activation based on which information, so as to ensure the smooth progress of the SCell activation process.

[0056] In some embodiments of the first aspect, in some embodiments, the latest time of completing the SCell activation is an m1th time slot, and m1 has a value of: wherein n represents a time of receiving the first command for triggering the terminal to activate the SCell, T HARQ represents the time of performing the hybrid automatic repeat, activation_time represents the time of activating the SCell, SCI_Reporting represents the time of sending the CSI report, and NR slot length represents the length of an NR slot.uncertainty_ODSSB indicates an interval time between a time of receiving the first command for triggering the terminal to activate the SCell and a time of receiving the first command for triggering the first SSB.

[0057] In the above embodiment, the optional implementation of the terminal determining the latest time of completing the SCell activation is provided when the terminal receives the first SSB and the second SSB sent by the network device, so as to ensure the smooth progress of the SCell activation process.

[0058] In combination with some embodiments of the first aspect, in some embodiments, the SCell activation is performed, including: sending a CSI report to the network device, and activating the SCell based on the activation operation.

[0059] In the above embodiment, the optional implementation of the terminal performing the SCell activation is provided, so as to ensure the smooth progress of the SCell activation process.

[0060] In combination with some embodiments of the first aspect, in some embodiments, the terminal supports at least one of the following technologies: evolved universal terrestrial radio access technology and new radio dual connectivity EN-DC; new radio and evolved universal terrestrial radio access technology dual connectivity NE-DC; new radio dual connectivity NR-DC; independent NR carrier aggregation.

[0061] In the above embodiment, the various communication technologies that the terminal can support are provided, so that the terminals supporting various communication technologies can all implement the SCell activation based on the first SSB under the first command sent by the network device, and the flexibility of the SCell activation process is improved.

[0062] In the second aspect, the embodiments of the present disclosure provide a communication method applied to a network device, including: sending a first command to a terminal, the first command being used for implementing dynamic resource management, and the first command also being used for triggering the terminal to perform SCell activation based on a first SSB, the first SSB being an OD-SSB.

[0063] In the above embodiment, the first command for implementing dynamic resource management is sent by the network device to the terminal, so that the terminal can perform the SCell activation based on the OD-SSB under the triggering of the first command, so as to ensure that the terminal can implement the SCell activation based on the OD-SSB.

[0064] In combination with some embodiments of the second aspect, in some embodiments, the method further includes any of the following: sending the first SSB to the terminal; and sending the first SSB and a second SSB to the terminal, the second SSB being an always activated SSB.

[0065] In some embodiments of the second aspect, in some embodiments, the first command comprises a command for triggering the terminal to activate the SCell, or the first command comprises a command for triggering the terminal to activate the SCell and a command for triggering the first SSB.

[0066] In the above embodiments, various optional first commands are provided, so that the network device can trigger the SCell activation procedure based on the first SSB through various first commands, and improve the flexibility of the SCell activation procedure.

[0067] In some embodiments of the second aspect, in some embodiments, in the case that the network device sends the first SSB to the terminal, the time at which the terminal performs the SCell activation based on the first SSB comprises any one of the following: a first time, which is the time of receiving the first command for triggering the terminal to activate the SCell; and a second time, which is the later time of the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0068] In some embodiments of the second aspect, in some embodiments, the time at which the terminal performs the SCell activation based on the first SSB is the first time, and the latest time at which the terminal completes the SCell activation is determined based on at least one of the time of receiving the first command for triggering the terminal to activate the SCell, the time of performing the hybrid automatic repeat, the time of activating the SCell, the time of sending the CSI report, the NR slot length, and the interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0069] In some embodiments of the second aspect, in some embodiments, the latest time at which the terminal completes the SCell activation is the m1th time slot, and m1 takes a value of: wherein n represents the time of receiving the first command for triggering the terminal to activate the SCell as the nth time slot, T HARQ represents the time of performing the hybrid automatic repeat, T activation_time represents the time of activating the SCell, T SCI_Reporting represents the time of sending the CSI report, NR slot length represents the NR time slot length, T uncertainty_ODSSB represents the interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0070] In some embodiments of the second aspect, in some embodiments, the time at which the terminal performs SCell activation based on the first SSB is a second time, and the latest time at which the terminal completes SCell activation is determined based on at least one of a time at which a first command for triggering the terminal to activate the SCell is received, a time at which a hybrid automatic repeat is performed, a time at which the SCell is activated, a time at which a CSI report is sent, and a NR slot length.

[0071] In some embodiments of the second aspect, in some embodiments, the latest time at which the terminal completes SCell activation is an m2th slot, where m2 is determined based on at least one of: where n represents a time at which a first command for triggering the terminal to activate the SCell is received, T HARQ represents a time at which a hybrid automatic repeat is performed, T activation_time represents a time at which the SCell is activated, T SCI_Reporting represents a time at which a CSI report is sent, and NR slot length represents a NR slot length.

[0072] In some embodiments of the second aspect, in some embodiments, in a case where the network device sends the terminal the first SSB and the second SSB, the time at which the terminal performs SCell activation based on the first SSB includes any one of: a first time, the first time being a time at which a first command for triggering the terminal to activate the SCell is received; a third time, the third time being a time at which the terminal receives a first available SSB after receiving the first command for triggering the terminal to activate the SCell; and a fourth time, the fourth time being a time at which the terminal receives a latest SSB after receiving the first command for triggering the first SSB.

[0073] In some embodiments of the second aspect, in some embodiments, the time at which the terminal performs SCell activation based on the first SSB is a first time, and the latest time at which the terminal completes SCell activation is determined based on at least one of a time at which a first command for triggering the terminal to activate the SCell is received, a time at which a hybrid automatic repeat is performed, a time at which the SCell is activated, a time at which a CSI report is sent, a NR slot length, an interval between a time at which the first command for triggering the terminal to activate the SCell is received and a time at which the first command for triggering the first SSB is received.

[0074] In some embodiments of the second aspect, in some embodiments, the latest time at which the terminal completes SCell activation is an m1th slot, where m1 is determined based on at least one of: wherein n represents a time when a first command for triggering the terminal to activate the SCell is received as an nth time slot, T HARQ represents a time when the hybrid automatic repeat is performed, T activation_time represents a time when the SCell is activated, T SCI_Reporting represents a time when the CSI report is sent, NR slot length represents an NR time slot length, T uncertainty_ODSSB represents an interval time between a time when a first command for triggering the terminal to activate the SCell is received and a time when a first command for triggering the first SSB is received.

[0075] With reference to some embodiments of the second aspect, in some embodiments, the method further includes: receiving the CSI report sent by the terminal.

[0076] With reference to some embodiments of the second aspect, in some embodiments, the terminal supports at least one of the following technologies: EN-DC; NE-DC; NR-DC; independent NR carrier aggregation.

[0077] In a third aspect, the embodiments of the present disclosure provide a terminal, including: a transceiver module configured to receive a first command sent by a network device, the first command being used to implement dynamic resource management; and a processing module configured to perform secondary cell (SCell) activation based on a first synchronization signal block (SSB), the first SSB being an on-demand synchronization signal block (OD-SSB).

[0078] In a fourth aspect, the embodiments of the present disclosure provide a network device, including: a transceiver module configured to send a first command to a terminal, the first command being used to implement dynamic resource management, and the first command further being used to trigger the terminal to perform SCell activation based on a first SSB, the first SSB being an OD-SSB.

[0079] In a fifth aspect, the embodiments of the present disclosure provide a terminal, including: one or more processors; wherein the terminal is configured to perform the communication method according to the first aspect and any one of the embodiments of the first aspect.

[0080] In a sixth aspect, the embodiments of the present disclosure provide a network device, including: one or more processors; wherein the network device is configured to perform the communication method according to the second aspect and any one of the embodiments of the second aspect.

[0081] In a seventh aspect, the embodiments of the present disclosure provide a communication system, including a terminal and a network device, wherein the terminal is configured to implement the communication method according to the first aspect and any one of the embodiments of the first aspect, and the network device is configured to implement the communication method according to the second aspect and any one of the embodiments of the second aspect.

[0082] In an eighth aspect, an embodiment of the present disclosure provides a storage medium, which stores instructions, when the instructions are executed on a communication device, cause the communication device to perform the communication method in the first aspect and any one of the embodiments of the first aspect, the second aspect and any one of the embodiments of the second aspect.

[0083] In a ninth aspect, an embodiment of the present disclosure provides a program product, when executed by a communication device, causes the communication device to perform the communication method in the first aspect and any one of the embodiments of the first aspect, the second aspect and any one of the embodiments of the second aspect.

[0084] In a tenth aspect, an embodiment of the present disclosure provides a computer program, when executed on a computer, causes the computer to perform the communication method in the first aspect and any one of the embodiments of the first aspect, the second aspect and any one of the embodiments of the second aspect.

[0085] In an eleventh aspect, an embodiment of the present disclosure provides a chip or chip system. The chip or chip system includes processing circuitry configured to perform the communication method in the first aspect and any one of the embodiments of the first aspect, the second aspect and any one of the embodiments of the second aspect.

[0086] It can be understood that the terminal, network device, communication system, storage medium, program product, computer program, chip or chip system are all used to perform the method proposed in the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding method, which will not be described here.

[0087] The embodiments of the present disclosure propose a communication method and device, storage medium. In some embodiments, the terms of communication method and information processing method, measurement method can be replaced with each other, the terms of communication device and information processing device, measurement device can be replaced with each other, and the terms of information processing system and communication system can be replaced with each other.

[0088] The embodiments of the present disclosure are not exhaustive, but only illustrate some embodiments, and are not specific limitations on the protection scope of the present disclosure. In the case of no contradiction, each step in an embodiment can be implemented as an independent embodiment, and the steps can be combined arbitrarily, for example, the scheme after removing some steps in an embodiment can also be implemented as an independent embodiment, and the order of the steps in an embodiment can be exchanged arbitrarily, in addition, the optional implementation manners in an embodiment can be combined arbitrarily; in addition, the embodiments can be combined arbitrarily, for example, the steps of different embodiments or part of the steps of different embodiments can be combined arbitrarily, an embodiment can be combined with the optional implementation manners of other embodiments.

[0089] In each of the disclosed embodiments, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of the 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.

[0090] 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.

[0091] In this embodiment of the disclosure, unless otherwise stated, elements expressed in the singular form, such as "a," "an," "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 using articles such as "a," "an," "the," etc. in translation, the noun following the article can be understood as either a singular expression or a plural expression.

[0092] In the embodiments disclosed herein, "multiple" refers to two or more.

[0093] In some embodiments, the terms “at least one of”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.

[0094] 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.

[0095] 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.

[0096] The prefix words of "first", "second" and the like in the embodiments of the present disclosure are merely used to distinguish different description objects, and do not constitute limitation on the position, order, priority, quantity or content of the description objects. The description objects are described in the claims or embodiments, and should not be construed as redundant limitation because of the use of the prefix words. For example, the description object is "field", and the ordinal words before "field" in "first field" and "second field" do not limit the position or order between "fields", and "first" and "second" do not limit whether the "fields" modified thereby are in the same message or not, nor limit the order of "first field" and "second field". For another example, the description object is "level", and the ordinal words before "level" in "first level" and "second level" do not limit the priority between "levels". For another example, the quantity of the description object is not limited by the ordinal words, and can be one or more. For example, "first device", wherein the quantity of "device" can be one or more. In addition, the objects modified by different prefix words can be the same or different, for example, the description object is "device", and "first device" and "second device" can be the same device or different devices, and the types thereof can be the same or different. For another example, the description object is "information", and "first information" and "second information" can be the same information or different information, and the contents thereof can be the same or different.

[0097] In some embodiments, "including A", "containing A", "for indicating A", "carrying A" can be interpreted as directly carrying A, or indirectly indicating A.

[0098] In some embodiments, the terms of "in response to", "in response to determining", "in the case of", "when", "when", "if", "if" and the like can be replaced with each other.

[0099] In some embodiments, the terms of "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", "above" and the like can be replaced with each other, and the terms of "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", "below" and the like can be replaced with each other.

[0100] In some embodiments, the apparatuses and devices can be interpreted as physical, as well as virtual, whose names are not limited to the names described in the embodiments, and in some cases can also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "subject", etc.

[0101] In some embodiments, "network" can be interpreted as an apparatus contained in the network, such as an access network device, a core network device, etc.

[0102] In some embodiments, "access network device (AN device)" can also be referred to as "radio access network device (RAN device)", "base station (BS)", "radio base station", "fixed station", and in some embodiments can also be understood as "node", "access point", "transmission point (TP)", "reception point (RP)", "transmission / reception point (TRP)", "panel", "antenna panel", "antenna array", "cell", "macro cell", "small cell", "femto cell", "pico cell", "sector", "cell group", "serving cell", "carrier", "component carrier", "bandwidth part (BWP)", etc.

[0103] In some embodiments, a "terminal" or "terminal device" can be referred to as a "user equipment" (UE), a "user terminal," a "mobile station" (MS), a "mobile terminal" (MT), a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, and / or the like.

[0104] In some embodiments, data, information and / or the like can be obtained in compliance with laws and regulations of a country in which data is obtained.

[0105] In some embodiments, data, information and / or the like can be obtained after obtaining consent of a user.

[0106] In addition, each element, each row, or each column in a table of embodiments of the present disclosure can be implemented as an independent embodiment, and a combination of any element, any row, or any column can also be implemented as an independent embodiment.

[0107] FIG. 1 is an architecture diagram of a communication system according to an embodiment of the present disclosure. As shown in FIG. 1, the communication system 100 includes a terminal 101 and a network device 102.

[0108] In some embodiments, the terminal 101 includes at least one of a mobile phone, a wearable device, an Internet of Things device, a communication-capable automobile, a smart automobile, a tablet (Pad), a wireless-transmitting computer, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, a wireless terminal device in a smart home, and the like, but is not limited thereto.

[0109] In some embodiments, the network device 102 includes at least one of an access network device and a core network device.

[0110] In some embodiments, the access network device is at least one of a node or a device that accesses a terminal to a wireless network, for example, and can include at least one of an evolved NodeB (eNB) in a 5G communication system, 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 wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an Open RAN, a Cloud RAN, a base station in other communication systems, an access node in a Wi-Fi system, and the like, but is not limited thereto.

[0111] In some embodiments, the technical solutions of the present disclosure can be applicable to an Open RAN architecture, at this time, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can become internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.

[0112] In some embodiments, the access network device can be composed of a central unit (CU) and a distributed unit (DU), where the CU can also be referred to as a control unit. The CU-DU structure can split the protocol layers of the access network device, and some of the protocol layers are controlled by the CU, and the rest or all of the protocol layers are distributed in the DU and controlled by the CU, but not limited thereto.

[0113] In some embodiments, the core network device can be one device including multiple network elements, etc., or can be multiple devices or device groups, each including all or part of multiple network elements. The network element can be virtual or physical. The core network includes at least one of an evolved packet core (EPC), a 5G core network (5GCN), and a next-generation core (NGC), for example.

[0114] In some embodiments, the core network device can include a first network element, which is an access and mobility management function (AMF), for example.

[0115] In some embodiments, the first network element is used for access management and mobility management of users, but is not limited thereto.

[0116] In some embodiments, the core network device can include a second network element, which is a session management function (SMF), for example.

[0117] In some embodiments, the second network element is used for session management of the control plane and the user plane, but is not limited thereto.

[0118] In some embodiments, the core network device can include a third network element, which is a user plane function (UPF), for example.

[0119] In some embodiments, the third network element is configured to perform data forwarding, traffic statistics, Quality of Service (QoS) management, etc. for a user plane, but is not limited thereto.

[0120] In some embodiments, the core network device can include a fourth network element, e.g., a Policy Control Function (PCF).

[0121] In some embodiments, the fourth network element is configured to implement control policy management for a user, including but not limited to control of QoS, service access control, etc.

[0122] In some embodiments, the core network device can include a fifth network element, e.g., a Unified Data Management (UDM).

[0123] In some embodiments, the fifth network element is configured to implement subscription data management, roaming control, etc. for a user, but is not limited thereto.

[0124] In some embodiments, the core network device can include a sixth network element, e.g., an Authentication Server Function (AUSF).

[0125] In some embodiments, the sixth network element is configured to implement user identity authentication, but is not limited thereto.

[0126] In some embodiments, each of the above network elements can be independent of the core network device.

[0127] In some embodiments, each of the above network elements can be part of the core network device.

[0128] It can be understood that the communication system described in the embodiments of the present disclosure is for more clearly illustrating the technical solutions of the embodiments of the present disclosure, and does not constitute a limitation on the technical solutions proposed by the embodiments of the present disclosure. Those skilled in the art can know that, as the system architecture evolves and new business scenarios appear, the technical solutions proposed by the embodiments of the present disclosure are also applicable to similar technical problems.

[0129] The following embodiments of the present disclosure can be applied to the communication system 100 shown in FIG. 1, or part of the subjects, but are not limited thereto. The subjects shown in FIG. 1 are illustrative, and the communication system can include all or part of the subjects in FIG. 1, or other subjects other than those in FIG. 1. The number and form of each subject is arbitrary, each subject can be physical or virtual, the connection relationship between each subject is illustrative, each subject can not be connected or can be connected, and the connection can be in any manner, can be direct connection or indirect connection, can be wired connection or wireless connection.

[0130] Embodiments of the present disclosure can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New radio access (NX), Future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (Bluetooth (registered trademark)), Public Land Mobile Network (PLMN) network, Device-to-Device (D2D) system, Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle-to-Everything (V2X), system using other communication methods, next-generation system expanded based on them, and the like. In addition, a plurality of systems can be combined (for example, combination of LTE or LTE-A and 5G, and the like).

[0131] In some embodiments, for a terminal configured with carrier aggregation (CA) in a connected mode, the terminal can perform an OD-SSB SCell operation.

[0132] In some embodiments, the carrier aggregation configured for the terminal can be same-screen carrier aggregation or inter-frequency carrier aggregation.

[0133] In some embodiments, the OD-SSB can be used by the terminal for SCell time synchronization, SCell frequency synchronization, physical layer (layer 1, L1) measurement, network layer (layer 3, L3) measurement, and SCell activation, but not limited to.

[0134] In some embodiments, the base station (such as gNB) can trigger the OD-SSB in multiple scenarios or cases.

[0135] In some embodiments, the base station can trigger the OD-SSB in the following scenarios and cases: combination of scenario 2 and case 1, combination of scenario 2 and case 2, combination of scenario 2A and case 1, combination of scenario 2A and case 2. In more possible implementations, the base station can also trigger the OD-SSB in the following scenarios and cases: combination of scenario 3A and case 1, combination of scenario 3A and case 2, combination of scenario 3B and case 1, combination of scenario 3B and case 2.

[0136] Wherein, case 1 is used to indicate the case that there is no always-on SSB in the cell, and case 2 is used to indicate the case that the always-on SSB is periodically transmitted in the cell. Scenario 2 is used to indicate the case that the SCell has been configured to the UE, but the OD-SSB is triggered before the UE receives the SCell activation command; scenario 2A is used to indicate the case that the OD-SSB is triggered when the UE receives the SCell activation command; scenario 3A is applied to indicate the case that the OD-SSB is triggered after the UE receives the SCell activation command to before the SCell activation is completed; scenario 3B is used to indicate the case that the OD-SSB is triggered when the SCell activation is completed and the SCell is activated, or, scenario 3B is used to indicate the case that the OD-SSB is triggered after the SCell activation is completed and the SCell is activated.

[0137] Referring to FIG. 2A, FIG. 2A is a scenario diagram illustrating a base station triggering OD-SSB according to an embodiment of the present disclosure, as shown in FIG. 2A, the base station can realize the triggering of OD-SSB in the case of combination of scenario 2 and case 1.

[0138] Referring to FIG. 2B, FIG. 2B is a scenario diagram illustrating a base station triggering OD-SSB according to an embodiment of the present disclosure, as shown in FIG. 2B, the base station can realize the triggering of OD-SSB in the case of combination of scenario 2 and case 2.

[0139] Referring to FIG. 2C, FIG. 2C is a scenario diagram illustrating a base station triggering OD-SSB according to an embodiment of the present disclosure, as shown in FIG. 2C, the base station can realize the triggering of OD-SSB in the case of combination of scenario 2A and case 1.

[0140] Referring to FIG. 2D, FIG. 2D is a schematic diagram of a scenario of triggering an OD-SSB by a base station according to an embodiment of the present disclosure. As shown in FIG. 2D, the base station can implement the triggering of the OD-SSB in the case of combining scenario 2A with case 2.

[0141] Referring to FIG. 2E, FIG. 2E is a schematic diagram of a scenario of triggering an OD-SSB by a base station according to an embodiment of the present disclosure. As shown in FIG. 2E, the base station can implement the triggering of the OD-SSB in the case of combining scenario 3A with case 1.

[0142] Referring to FIG. 2F, FIG. 2F is a schematic diagram of a scenario of triggering an OD-SSB by a base station according to an embodiment of the present disclosure. As shown in FIG. 2F, the base station can implement the triggering of the OD-SSB in the case of combining scenario 3A with case 2.

[0143] Referring to FIG. 2G, FIG. 2G is a schematic diagram of a scenario of triggering an OD-SSB by a base station according to an embodiment of the present disclosure. As shown in FIG. 2G, the base station can implement the triggering of the OD-SSB in the case of combining scenario 3B with case 1.

[0144] Referring to FIG. 2H, FIG. 2H is a schematic diagram of a scenario of triggering an OD-SSB by a base station according to an embodiment of the present disclosure. As shown in FIG. 2H, the base station can implement the triggering of the OD-SSB in the case of combining scenario 3B with case 2.

[0145] It should be noted that for scenario 3A and scenario 3B, after the UE receives the SCell activation command, there can be no available activated SSB, and since the current RRM requirement for the SCell activation delay is based on the reception of the SCell activation command, the occurrence of scenario 3A and scenario 3B will have a significant impact on the SCell activation delay requirement. In view of this, the embodiment of the present disclosure expects to define new UE behaviors and RRM requirements for scenario 3A / 3B of on-demand SSB.

[0146] FIG. 3 is an interaction schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in FIG. 3, the embodiment of the present disclosure relates to a communication method, and the above method comprises:

[0147] In step S3101, the network device sends a first command to the terminal.

[0148] In some embodiments, the terminal receives the first command sent by the network device.

[0149] In some embodiments, the first command is used to implement dynamic resource management.

[0150] In some embodiments, the first command can be a command for triggering the terminal to activate the SCell. Alternatively, the first command can include a command for triggering the terminal to activate the SCell and a command for triggering the first SSB.

[0151] In some embodiments, the name of the command for triggering the terminal to activate the SCell is not limited, which is, for example, “SCell activation command” or the like.

[0152] In some embodiments, the name of the command for triggering the first SSB is not limited, which is, for example, “OD-SSB trigger command” or the like.

[0153] In some embodiments, the names of commands and the like are not limited to the names described in the embodiments, and the terms of “command”, “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “channel”, “parameter”, “domain”, “field”, “symbol”, “symbol”, “codebook”, “codeword”, “codepoint”, “bit”, “data”, “program”, “chip”, and the like can be replaced with each other.

[0154] In some embodiments, the network device can send the first SSB to the terminal after sending the first command for triggering the OD-SSB to the terminal.

[0155] In some embodiments, the terminal can receive the first SSB sent by the network device.

[0156] In some embodiments, the first SSB can be an OD-SSB.

[0157] In some embodiments, the sending of the first SSB can be periodic.

[0158] In some embodiments, the network device can further send a second SSB to the terminal. That is, the network device can send the first SSB and the second SSB to the terminal.

[0159] In some embodiments, the terminal can receive the first SSB and the second SSB sent by the network device.

[0160] In some embodiments, the network device can send the second SSB to the terminal starting from the fifth time, but is not limited thereto.

[0161] In some embodiments, the second SSB can be an always activated SSB.

[0162] In some embodiments, the name of the second SSB is not limited, for example, it is a “legacy SSB”.

[0163] In some embodiments, the terms “synchronization signal block (SSB)”, “synchronization signal (SS)”, “reference signal (RS)”, “pilot”, “pilot signal”, and the like can be replaced with each other.

[0164] Step S3102, the terminal performs SCell activation based on the first SSB triggered by the first command.

[0165] In some embodiments, the terminal can send a channel state information (CSI) report to the network device, and activate the SCell using the activation operation based on the first SSB.

[0166] In some embodiments, the terminal receives the first SSB sent by the network device, and the first command includes a command for triggering the terminal to activate the SCell, and the terminal can activate the SCell based on the first SSB at the first time.

[0167] In some embodiments, the first time can be the time when the first command for triggering the terminal to activate the SCell is received.

[0168] In some embodiments, the terminal receives the first SSB sent by the network device, and the first command includes a command for triggering the terminal to activate the SCell and a command for triggering the first SSB, and the terminal can activate the SCell based on the first SSB at the second time.

[0169] In some embodiments, the second time is the later time of the time when the first command for triggering the terminal to activate the SCell is received and the time when the first command for triggering the first SSB is received.

[0170] In some embodiments, the terminal performs the SCell activation based on the first SSB at the first time, and the terminal can determine the latest time of completing the SCell activation based on at least one of a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing the hybrid automatic repeat, a time of activating the SCell, a time of sending the CSI report, a NR slot length, an interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0171] In some embodiments, the latest time of completing the SCell activation can be the m1th slot, and the value of m1 can refer to the following formula (1):

[0172] wherein n represents the time of receiving the first command for triggering the terminal to activate the SCell as the nth slot, T HARQ represents the time of performing the hybrid automatic repeat, T activation_time represents the time of activating the SCell, T SCI_Reporting represents the time of sending the CSI report, and NR slot length represents the NR slot length. uncertainty_ODSSB represents the interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0173] In some embodiments, the terminal performs the SCell activation based on the first SSB at the second time, and the terminal can determine the latest time of completing the SCell activation based on at least one of a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing the hybrid automatic repeat, a time of activating the SCell, a time of sending the CSI report, and a NR slot length.

[0174] In some embodiments, the latest time of completing the SCell activation can be the m2th slot, and the value of m2 can refer to the following formula (2):

[0175] wherein n represents the time of receiving the first command for triggering the terminal to activate the SCell as the nth slot, T HARQ represents the time of performing the hybrid automatic repeat, T activation_time represents the time of activating the SCell, T SCI_Reporting represents the time of sending the CSI report, and NR slot length represents the NR slot length.

[0176] In some embodiments, the terminal can perform the SCell activation based on the activated first SSB.

[0177] In some embodiments, the terminal receives the first SSB and the second SSB sent by the network device, the first command is a command for triggering the terminal to activate the SCell, and the terminal can perform SCell activation based on the first SSB at the first time, the third time, or the fourth time.

[0178] In some embodiments, the first time is the time at which the terminal receives the first command for triggering the terminal to activate the SCell.

[0179] In some embodiments, the third time is the time at which the terminal receives the first available SSB after receiving the first command for triggering the terminal to activate the SCell.

[0180] By taking the time at which the terminal receives the first available SSB after receiving the first command for triggering the terminal to activate the SCell as the starting time of performing the SCell activation operation, a shorter SCell activation delay can be achieved.

[0181] In some embodiments, the fourth time is the time at which the terminal receives the latest SSB after receiving the first command for triggering the terminal to activate the SCell.

[0182] By taking the time at which the terminal receives the latest SSB after receiving the first command for triggering the terminal to activate the SCell as the starting time of performing the SCell activation operation, the power consumption of the terminal can be effectively reduced.

[0183] In some embodiments, the terminal receives the first SSB and the second SSB sent by the network device, the first command is a command for triggering the terminal to activate the SCell, and the terminal can determine the latest time at which the SCell activation is completed based on at least one of the time at which the first command for triggering the terminal to activate the SCell is received, the time of performing hybrid automatic repeat, the time of activating the SCell, the time of sending the CSI report, the length of the NR time slot, the interval time between the time at which the first command for triggering the terminal to activate the SCell is received and the time at which the first command for triggering the first SSB is received.

[0184] In some embodiments, the latest time at which the SCell activation is completed can be the m1th time slot, and the value of m1 can refer to the above formula (1).

[0185] In some embodiments, the terms "time", "moment", "time point", "time position", and the like can be replaced with each other, and the terms "time", "duration", "period", "time window", "window", and the like can be replaced with each other.

[0186] In some embodiments, the terms "slot", "sub-slot", "mini-slot", "frame", "radio frame", "subframe", "symbol", "symbol", "transmission time interval (TTI)", and the like can be replaced with each other.

[0187] In some embodiments, the terminal can perform SCell activation based on the activated first SSB.

[0188] In some embodiments, the terminal can support at least one of Evolved Universal Terrestrial Radio Access Network and New Radio Daul Connection (EN-DC), New Radio and Evolved Universal Terrestrial Radio Access Network Daul Connection (NE-DC), New Radio Daul Connection (NR-DC), and independent NR carrier aggregation technology, but is not limited thereto.

[0189] In some embodiments, "acquire", "obtain", "get", "receive", "transmit", "bidirectional transmission", "send and / or receive", and the like can be replaced with each other, and can be interpreted as receiving from other subjects, acquiring from protocols, obtaining from higher layers, processing by itself, autonomously implementing, and the like.

[0190] In some embodiments, the terms "send", "transmit", "report", "issue", "transmit", "bidirectional transmission", "send and / or receive", and the like can be replaced with each other.

[0191] In some embodiments, the terms "certain", "preset", "preset", "set", "indicated", "certain", "arbitrary", "first", and the like can be replaced with each other, and "certain A", "preset A", "preset A", "set A", "indicated A", "certain A", "arbitrary A", "first A" can be interpreted as A specified in advance in protocols and the like, can be interpreted as A obtained by setting, configuring, or indicating, and can be interpreted as certain A, certain A, arbitrary A, or first A, but is not limited thereto.

[0192] In some embodiments, the determination or judgment can be made by a value represented by 1 bit (0 or 1), or by a true or false value (Boolean value) represented by true or false, or by comparison of numerical values (for example, comparison with a predetermined value), but is not limited thereto.

[0193] In some embodiments, "not expecting to receive" can be interpreted as not receiving on the time domain resource and / or the frequency domain resource, or as not performing subsequent processing on the data, etc. after receiving the data; "not expecting to send" can be interpreted as not sending, or as sending but not expecting the receiver to respond to the content of the sending.

[0194] The communication method related to the embodiments of the present disclosure can include at least one of steps S3101-S3102. For example, step S3102 can be implemented as an independent embodiment, and steps S3101+S3102 can be implemented as an independent embodiment, but is not limited thereto.

[0195] In some embodiments, step S3102 is optional, and this step can be omitted or replaced in different embodiments.

[0196] In some embodiments, reference can be made to other optional implementation modes described before or after the corresponding description of FIG. 3.

[0197] According to the scheme provided by the embodiments of the present disclosure, the UE can perform SCell activation using the OD-SSB.

[0198] In some embodiments, there can be only OD-SSB; or, there can be both OD-SSB and always activated SSB (i.e., traditional SSB).

[0199] In some embodiments, there is only OD-SSB, and the starting point of the UE performing SCell activation can be the SCell activation command.

[0200] In some embodiments, the starting point of the UE performing SCell activation is the SCell activation command, and the total time required by the UE to activate the SCell can include an uncertain gap between the SCell activation command and the OD-SSB trigger command received by the UE.

[0201] In some embodiments, there is only OD-SSB, and the starting point of the UE performing SCell activation can be the later point between the SCell activation command and the OD-SSB trigger command reception.

[0202] In some embodiments, the UE can perform SCell activation based only on the activated OD-SSB.

[0203] In some embodiments, both OD-SSB and always-on SSB exist, the starting point for UE to perform SCell activation can be the SCell activation command.

[0204] In some embodiments, the starting point for UE to perform SCell activation is the SCell activation command, the total time required for UE to activate SCell can include an uncertain gap between the SCell activation command and the OD-SSB trigger command received by the UE.

[0205] In some embodiments, in order to achieve shorter SCell activation delay, the starting point for UE to perform SCell activation can be the first available SSB, whether the first available SSB is on the OD-SSB or on the always-on SSB.

[0206] In some embodiments, in order to reduce power consumption, the starting point for UE to perform SCell activation can be the latest SSB, regardless of what SSB is received before the OD-SSB activation command is received.

[0207] In some embodiments, after receiving the SCell activation command in slot n, the UE should be able to send a valid CSI report in slot and apply the operation related to the activation command to the SCell being activated before that slot.

[0208] In some embodiments, after receiving the SCell activation command and the OD-SSB trigger command in slot n, the UE should be able to send a valid CSI report in slot and apply the operation related to the activation command to the SCell being activated before that slot.

[0209] In some embodiments, the scheme provided by the embodiments of the present disclosure is applicable to a UE configured with at least one downlink SCell in EN-DC, independent NR carrier aggregation, NE-DC or NR-DC and one SCell is activated.

[0210] FIG. 4A is a flow diagram of a communication method, according to embodiments of the present disclosure. As shown in FIG. 4A, the embodiments of the present disclosure relate to a communication method, and the above method comprises:

[0211] Step S4101, obtaining a first command.

[0212] The optional implementation of step S4101 can refer to the optional implementation of step S3101 of FIG. 3 and other associated parts in the embodiments involved in FIG. 3, which will not be repeated here.

[0213] In some embodiments, the terminal receives the first command sent by the network device, but is not limited thereto, and can also receive the first command sent by other subjects.

[0214] In some embodiments, the terminal acquires the first command specified by a protocol.

[0215] In some embodiments, the terminal acquires the first command from upper layer(s).

[0216] In some embodiments, the terminal processes to obtain the first command.

[0217] In some embodiments, step S4101 is omitted, and the terminal autonomously implements the function indicated by the first command, or the above function is default or default.

[0218] In some embodiments, the first command is used to implement dynamic resource management.

[0219] In some embodiments, the first command includes a command for triggering the terminal to activate the SCell, or the first command includes a command for triggering the terminal to activate the SCell and a command for triggering the first SSB.

[0220] In some embodiments, the terminal can also receive the first SSB sent by the network device, and the first SSB is an OD-SSB.

[0221] In some embodiments, the terminal can also receive the first SSB and the second SSB sent by the network device, and the second SSB is an always activated SSB.

[0222] Step S4102, performing SCell activation based on the first SSB.

[0223] The optional implementation of step S4102 can refer to the optional implementation of step S3102 in FIG. 3 and other associated parts in the embodiments involved in FIG. 3, which will not be described here.

[0224] In some embodiments, the terminal receives the first SSB sent by the network device, and the terminal performs SCell activation based on the first SSB at a first time, the first time being the time of receiving the first command for triggering the terminal to activate the SCell; or the terminal performs SCell activation based on the first SSB at a second time, the second time being the later time of the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0225] In some embodiments, the terminal determines the latest time for completing the SCell activation based on at least one of the time for receiving the first command for triggering the terminal to activate the SCell, the time for performing the hybrid automatic repeat, the time for activating the SCell, the time for sending the CSI report, the NR slot length, the interval time between the time for receiving the first command for triggering the terminal to activate the SCell and the time for receiving the first command for triggering the first SSB, at the first time based on the first SSB.

[0226] In some embodiments, the latest time for completing the SCell activation is the m1th slot, and m1 is determined as follows:

[0227] wherein n represents the time for receiving the first command for triggering the terminal to activate the SCell as the nth slot, T HARQ represents the time for performing the hybrid automatic repeat, T activation_time represents the time for activating the SCell, T SCI_Reporting represents the time for sending the CSI report, and NR slot length represents the NR slot length. uncertainty_ODSSB represents the interval time between the time for receiving the first command for triggering the terminal to activate the SCell and the time for receiving the first command for triggering the first SSB.

[0228] In some embodiments, the terminal determines the latest time for completing the SCell activation based on at least one of the time for receiving the first command for triggering the terminal to activate the SCell, the time for performing the hybrid automatic repeat, the time for activating the SCell, the time for sending the CSI report, the NR slot length, the interval time between the time for receiving the first command for triggering the terminal to activate the SCell and the time for receiving the first command for triggering the first SSB, at the second time based on the first SSB.

[0229] In some embodiments, the latest time for completing the SCell activation is the m2th slot, and m2 is determined as follows:

[0230] wherein n represents the time for receiving the first command for triggering the terminal to activate the SCell as the nth slot, T HARQ represents the time for performing the hybrid automatic repeat, T activation_time represents the time for activating the SCell, T SCI_Reporting represents the time for sending the CSI report, and NR slot length represents the NR slot length.

[0231] In some embodiments, the terminal performs the SCell activation based on the activated first SSB.

[0232] In some embodiments, the terminal receives the first SSB and the second SSB sent by the network device, and the terminal performs SCell activation based on the first SSB at a first time, the first time being a time of receiving a first command for triggering the terminal to activate the SCell; or the terminal performs SCell activation based on the first SSB at a third time, the third time being a time of receiving a first available SSB after the terminal receives the first command for triggering the terminal to activate the SCell; or the terminal performs SCell activation based on the first SSB at a fourth time, the fourth time being a time of receiving a latest SSB after the terminal receives the first command for triggering the terminal to activate the SCell.

[0233] In some embodiments, the terminal receives the first SSB and the second SSB sent by the network device, and the terminal determines the latest time of completing SCell activation based on at least one of a time of receiving a first command for triggering the terminal to activate the SCell, a time of performing hybrid automatic repeat, a time of activating the SCell, a time of sending a CSI report, an NR slot length, an interval time between the time of receiving the first command for triggering the terminal to activate the SCell and a time of receiving the first command for triggering the first SSB.

[0234] In some embodiments, the terminal receives the first SSB and the second SSB sent by the network device, and the latest time of completing SCell activation is an m1th slot, the value of m1 being

[0235] wherein n represents a time of receiving a first command for triggering the terminal to activate the SCell as an nth slot, T HARQ represents a time of performing hybrid automatic repeat, T activation_time represents a time of activating the SCell, T SCI_Reporting represents a time of sending a CSI report, NR slot length represents an NR slot length, T uncertainty_ODSSB represents an interval time between the time of receiving the first command for triggering the terminal to activate the SCell and a time of receiving the first command for triggering the first SSB.

[0236] In some embodiments, the terminal can send a CSI report to the network device and activate the SCell based on an activation operation.

[0237] In some embodiments, the terminal supports at least one of the following technologies: EN-DC, NE-DC, NR-DC, and independent NR carrier aggregation.

[0238] The communication method related to the embodiments of the present disclosure can include at least one of steps S4101-S4102. For example, step S4102 can be implemented as an independent embodiment, steps S4101+S4102 can be implemented as an independent embodiment, but are not limited thereto.

[0239] In some embodiments, step S4101 is optional, and can be omitted or replaced in different embodiments.

[0240] FIG. 4B is a flow diagram of a communication method according to an embodiment of the present disclosure. As shown in FIG. 4B, the embodiments of the present disclosure relate to a communication method, and the method includes:

[0241] Step S4201, sending a first command.

[0242] The optional implementation of step S4201 can refer to the optional implementation of step S3101, step S3102, and other associated parts in the embodiments related to FIG. 3, which will not be described here.

[0243] In some embodiments, the network device can send the first command to the terminal, but is not limited thereto, and can send the first command to other subjects.

[0244] In some embodiments, the first command is used to implement dynamic resource management.

[0245] In some embodiments, the first command includes a command for triggering the terminal to activate the SCell, or the first command includes a command for triggering the terminal to activate the SCell and a command for triggering the first SSB.

[0246] In some embodiments, the first command is also used to trigger the terminal to perform SCell activation based on the first SSB.

[0247] In some embodiments, the network device can send the first SSB to the terminal; or the network device can send the first SSB and the second SSB to the terminal; wherein the first SSB is an OD-SSB, and the second SSB is an always activated SSB.

[0248] In some embodiments, in the case where the network device sends the first SSB to the terminal, the time for the terminal to perform SCell activation based on the first SSB is the first time or the second time.

[0249] In some embodiments, the first time is the time of receiving the first command for triggering the terminal to activate the SCell.

[0250] In some embodiments, the second time is the later one of a time of receiving the first command for triggering the terminal to activate the SCell and a time of receiving the first command for triggering the first SSB.

[0251] In some embodiments, the time at which the terminal performs the SCell activation based on the first SSB is the first time, and the latest time at which the terminal completes the SCell activation is determined based on at least one of a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing the hybrid automatic repeat, a time of activating the SCell, a time of sending the CSI report, a length of an NR slot, an interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0252] In some embodiments, the latest time at which the terminal completes the SCell activation is the m1th slot, where m1 is

[0253] where n represents the time of receiving the first command for triggering the terminal to activate the SCell as the nth slot, T HARQ represents the time of performing the hybrid automatic repeat, T activation_time represents the time of activating the SCell, T SCI_Reporting represents the time of sending the CSI report, and NR slot length represents the length of the NR slot. uncertainty_ODSSB represents an interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

[0254] In some embodiments, the time at which the terminal performs the SCell activation based on the first SSB is the second time, and the latest time at which the terminal completes the SCell activation is determined based on at least one of a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing the hybrid automatic repeat, a time of activating the SCell, a time of sending the CSI report, and a length of an NR slot.

[0255] In some embodiments, the latest time at which the terminal completes the SCell activation is the m2th slot, where m2 is

[0256] where n represents the time of receiving the first command for triggering the terminal to activate the SCell as the nth slot, T HARQ represents the time of performing the hybrid automatic repeat, T activation_time represents the time of activating the SCell, T SCI_Reporting represents the time of sending the CSI report, and NR slot length represents the length of the NR slot.

[0257] In some embodiments, in the case where the network device sends the first SSB and the second SSB to the terminal, the time at which the terminal performs the SCell activation based on the first SSB can be the first time, can also be the third time, and can also be the fourth time.

[0258] In some embodiments, the first time is the time at which the first command for triggering the terminal to activate the SCell is received.

[0259] In some embodiments, the third time is the time at which the terminal receives the first available SSB after receiving the first command for triggering the terminal to activate the SCell.

[0260] In some embodiments, the fourth time is the time at which the terminal receives the latest SSB after receiving the first command for triggering the terminal to activate the SCell.

[0261] In some embodiments, the time at which the terminal performs the SCell activation based on the first SSB is the first time, and the latest time at which the terminal completes the SCell activation is determined based on at least one of the time at which the first command for triggering the terminal to activate the SCell is received, the time for performing hybrid automatic repeat, the time for activating the SCell, the time for sending a channel state information (CSI) report, the length of a new radio (NR) slot, and the interval time between the time at which the first command for triggering the terminal to activate the SCell is received and the time at which the first command for triggering the first SSB is received.

[0262] In some embodiments, the latest time at which the terminal completes the SCell activation is the m1th slot, and m1 is

[0263] where n represents the time at which the first command for triggering the terminal to activate the SCell is received as the nth slot, T HARQ represents the time for performing hybrid automatic repeat, T activation_time represents the time for activating the SCell, T SCI_Reporting represents the time for sending the CSI report, NR slot length represents the length of the NR slot, T uncertainty_ODSSB represents the interval time between the time at which the first command for triggering the terminal to activate the SCell is received and the time at which the first command for triggering the first SSB is received.

[0264] In some embodiments, the network device can receive the CSI report sent by the terminal.

[0265] In some embodiments, the terminal supports at least one of the following technologies: EN-DC, NE-DC, NR-DC, and independent NR carrier aggregation.

[0266] The communication method related to the embodiments of the present disclosure can at least include step S4201, and step S4201 can be implemented as an independent embodiment, but is not limited thereto.

[0267] In the embodiments of the present disclosure, step S4201 can be combined with step S4101 of FIG. 4A.

[0268] In the embodiments of the present disclosure, part or all of the steps, and optional implementation manners thereof, can be combined with part or all of the steps in other embodiments, or can be combined with optional implementation manners of other embodiments.

[0269] The embodiments of the present disclosure also propose an apparatus for implementing any of the above methods, for example, an apparatus including units or modules for implementing each step performed by a terminal in any of the above methods. For another example, another apparatus is also proposed, including units or modules for implementing each step performed by a network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.

[0270] It should be understood that the division of each unit or module in the above apparatus is only a logical function division, and all or part of them can be integrated into a physical entity or physically separated in actual implementation. In addition, the units or modules in the apparatus can be implemented in the form of processor calling software: for example, the apparatus includes a processor, the processor is connected with a memory, the memory stores instructions, and the processor calls the instructions stored in the memory to realize the functions of any of the above methods or the units or modules of the above apparatus, wherein the processor is a general processor such as a central processing unit (CPU) or a microprocessor, and the memory is a memory in the apparatus or a memory outside the apparatus. Alternatively, the units or modules in the apparatus can be implemented in the form of hardware circuit, and the functions of part or all of the units or modules can be realized by the design of the hardware circuit. The above hardware circuit can be understood as one or more processors; for example, in one implementation, the above hardware circuit is an application-specific integrated circuit (ASIC), and the functions of part or all of the units or modules are realized by the design of the logical relationship between the elements in the circuit; for another example, in another implementation, the above hardware circuit is a programmable logic device (PLD), and a field programmable gate array (FPGA) is taken as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by a configuration file, so as to realize the functions of part or all of the units or modules. All units or modules of the above apparatus can be all implemented in the form of processor calling software, or all implemented in the form of hardware circuit, or part implemented in the form of processor calling software and the remaining part implemented in the form of hardware circuit.

[0271] In the embodiments of the present disclosure, the processor is a circuit with signal processing capability. In one implementation, the processor can be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), a digital signal processor (DSP), or the like. In another implementation, the processor can implement certain functions through a logical relationship of hardware circuits, and the logical relationship of the hardware circuits is fixed or can be reconfigured. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In the reconfigurable hardware circuit, the processor loads a configuration document to implement the configuration of the hardware circuit. It can be understood that the processor loads instructions to implement the functions of the above part or all units or modules. In addition, the hardware circuit can also be designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), or the like.

[0272] FIG. 5A is a structural schematic diagram of a terminal according to an embodiment of the present disclosure. As shown in FIG. 5A, the terminal 5100 can include at least one of a transceiver module 5101, a processing module 5102, and the like. In some embodiments, the transceiver module 5101 is configured to receive a first command sent by a network device, the first command being used to implement dynamic resource management; and the processing module 5102 is configured to perform secondary cell (SCell) activation based on a first synchronization signal block (SSB), the first SSB being an on-demand synchronization signal block (OD-SSB). Optionally, the transceiver module 5101 is configured to perform at least one of the communication steps (for example, step S3101, but not limited thereto) of the receiving and / or the like performed by the terminal in any of the above methods, and details are not described herein again. Optionally, the processing module 5102 is configured to perform at least one of the other steps (for example, step S3102, but not limited thereto) performed by the terminal in any of the above methods, and details are not described herein again.

[0273] FIG. 5B is a structural schematic diagram of a network device according to an embodiment of the present disclosure. As shown in FIG. 5B, the network device 5200 can at least include a transceiver module 5201. In some embodiments, the transceiver module 5201 is configured to send a first command to a terminal, the first command being used to implement dynamic resource management, and the first command being further used to trigger the terminal to perform SCell activation based on a first SSB, the first SSB being an OD-SSB. Optionally, the transceiver module is configured to perform at least one of the communication steps (for example, step S3101, but not limited to this) of the sending and / or receiving performed by the network device in any of the above methods, details of which are not described herein. In some embodiments, the network device 5200 can further include a processing module. Optionally, the processing module is configured to perform at least one of the other steps performed by the network device in any of the above methods, details of which are not described herein.

[0274] In some embodiments, the transceiver module can include a sending module and / or a receiving module, which can be separate or integrated together. Optionally, the transceiver module can be mutually replaced with a transceiver.

[0275] In some embodiments, the processing module can be one module or can include multiple sub-modules. Optionally, the multiple sub-modules perform all or part of the steps required to be performed by the processing module. Optionally, the processing module can be mutually replaced with a processor.

[0276] FIG. 6A is a structural schematic diagram of a communication device 6100 according to an embodiment of the present disclosure. The communication device 6100 can be a network device (for example, an access network device, a core network device, etc.), a terminal (for example, a user equipment, etc.), a chip, a chip system, or a processor supporting the network device to implement any of the above methods, or a chip, a chip system, or a processor supporting the terminal to implement any of the above methods. The communication device 6100 can be used to implement the methods described in the above method embodiments, and details can be referred to the descriptions in the above method embodiments.

[0277] As shown in FIG. 6A, the communication device 6100 includes one or more processors 6101. The processor 6101 can be a general-purpose processor or a special-purpose processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the communication device (for example, a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute programs, and process data of the programs. The communication device 6100 is configured to execute any of the above methods.

[0278] In some embodiments, the communication device 6100 further includes one or more memories 6102 for storing instructions. Optionally, all or part of the memories 6102 can also be outside the communication device 6100.

[0279] In some embodiments, the communication device 6100 further includes one or more transceivers 6103. When the communication device 6100 includes one or more transceivers 6103, the transceiver 6103 performs at least one of the communication steps (for example, step S3101, but not limited to this) of the above-mentioned methods such as transmission and / or reception, and the processor 6101 performs at least one of the other steps (for example, step S3102, but not limited to this).

[0280] In some embodiments, the transceiver can include a receiver and / or a transmitter, which can be separate or integrated together. Optionally, the terms transceiver, transceiving unit, transceiver, transceiving circuit, etc. can be replaced with each other, the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc. can be replaced with each other, and the terms receiver, receiving unit, receiver, receiving circuit, etc. can be replaced with each other.

[0281] In some embodiments, the communication device 6100 can include one or more interface circuits 6104. Optionally, the interface circuit 6104 is connected with the memory 6102, and the interface circuit 6104 can be used to receive signals from the memory 6102 or other devices, and can be used to send signals to the memory 6102 or other devices. For example, the interface circuit 6104 can read the instructions stored in the memory 6102 and send the instructions to the processor 6101.

[0282] The communication device 6100 described in the above embodiments can be a network device or a terminal, but the scope of the communication device 6100 described in the present disclosure is not limited to this, and the structure of the communication device 6100 can not be limited by Figure 6A. The communication device can be a standalone device or can be part of a larger device. For example, the communication device can be: (1) a standalone integrated circuit (IC), or a chip, or a chip system or subsystem; (2) a set of one or more ICs, optionally, the above-mentioned IC set can also include a storage component for storing data, programs; (3) an ASIC, such as a Modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, a smart terminal device, a cellular phone, a wireless device, a handset, a mobile unit, a vehicle-mounted device, a network device, a cloud device, an artificial intelligence device, etc.; (6) other, etc.

[0283] FIG. 6B is a structural schematic diagram of a chip 6200 according to an embodiment of the present disclosure. For the case that the communication device 6100 can be a chip or a chip system, the structural schematic diagram of the chip 6200 shown in FIG. 6B can be referred to, but is not limited thereto.

[0284] The chip 6200 comprises one or more processors 6201, and the chip 6200 is configured to execute any of the above methods.

[0285] In some embodiments, the chip 6200 further comprises one or more interface circuits 6202. Optionally, the interface circuit 6202 is connected with the memory 6203, and the interface circuit 6202 can be configured to receive signals from the memory 6203 or other devices, and the interface circuit 6202 can be configured to send signals to the memory 6203 or other devices. For example, the interface circuit 6202 can read instructions stored in the memory 6203 and send the instructions to the processor 6201.

[0286] In some embodiments, the interface circuit 6202 performs at least one of the communication steps (for example, step S3101, but not limited thereto) in the above methods, and the processor 6201 performs at least one of the other steps (for example, step S3102, but not limited thereto).

[0287] In some embodiments, the terms of interface circuit, interface, transceiver pin, transceiver, etc. can be replaced with each other.

[0288] In some embodiments, the chip 6200 further comprises one or more memories 6203 for storing instructions. Optionally, all or part of the memory 6203 can be outside the chip 6200.

[0289] The present disclosure further proposes a storage medium, and instructions are stored on the storage medium. When the instructions are run on the communication device 6100, the communication device 6100 is caused to execute any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer readable storage medium, but is not limited thereto, and it can also be a storage medium readable by other devices. Optionally, the storage medium can be a non-transitory storage medium, but is not limited thereto, and it can also be a transitory storage medium.

[0290] The present disclosure further proposes a program product, and the program product is executed by the communication device 6100, so that the communication device 6100 executes any of the above methods. Optionally, the program product is a computer program product.

[0291] The present disclosure further proposes a computer program, and when the computer program is run on a computer, the computer is caused to execute any of the above methods.

[0292] Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the features disclosed herein. It is intended that the disclosure be construed as including any paterns of this disclosure that can be derived from the description and illustrations presented herein without departing from the scope and spirit of the disclosure. The specification and examples given are considered exemplary only, and the true scope and spirit of the disclosure are indicated by the following claims.

[0293] It is to be understood that the disclosure is not limited to the precise construction described above and shown in the attached drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the disclosure is limited only by the claims that follow.

Claims

1. A communication method characterized by comprising: Applied to a terminal, the method comprises: receiving a first command sent by a network device, the first command being used for implementing dynamic resource management; performing secondary cell (SCell) activation based on a first synchronization signal block (SSB), the first SSB being an on-demand synchronization signal block (OD-SSB).

2. The method of claim 1, wherein, The method further comprises any one of the following: receiving a first SSB sent by the network device; receiving a first SSB and a second SSB sent by the network device, the second SSB being an always activated SSB.

3. The method of claim 2, wherein, The first command comprises a command for triggering the terminal to activate the SCell, or the first command comprises a command for triggering the terminal to activate the SCell and a command for triggering the first SSB; The terminal receives the first SSB sent by the network device, and the performing of the SCell activation based on the first SSB comprises any one of the following: performing the SCell activation based on the first SSB at a first time, the first time being a time of receiving the first command for triggering the terminal to activate the SCell; performing the SCell activation based on the first SSB at a second time, the second time being a later time of a time of receiving the first command for triggering the terminal to activate the SCell and a time of receiving the first command for triggering the first SSB.

4. The method of claim 3, wherein, The performing of the SCell activation based on the first SSB at the first time further comprises: determining a latest time of completing the SCell activation based on at least one of a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing hybrid automatic repeat, a time of activating the SCell, a time of sending a channel state information (CSI) report, a new radio (NR) slot length, an interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

5. The method of claim 4, wherein, The latest time for completing the SCell activation is the m1th time slot, and the value of m1 is: wherein n represents a time at which a first command for triggering the terminal to activate an SCell is received as an nth time slot, T HARQ represents a time at which hybrid automatic repeat is performed, T activation_time represents a time at which an SCell is activated, T SCI_Reporting represents a time at which a CSI report is transmitted, NR slot length represents an NR time slot length, T uncertainty_ODSSB represents an interval time between a time at which a first command for triggering the terminal to activate an SCell is received and a time at which a first command for triggering the first SSB is received.

6. The method of claim 3, wherein, The performing of the SCell activation based on the first SSB at the second time further comprises: determining a latest time of completing the SCell activation based on at least one of a time of receiving the first command for triggering the terminal to activate the SCell, a time of performing hybrid automatic repeat, a time of activating the SCell, a time of sending a channel state information (CSI) report, a new radio (NR) slot length, an interval time between the time of receiving the first command for triggering the terminal to activate the SCell and the time of receiving the first command for triggering the first SSB.

7. The method of claim 6, wherein, The latest time for completing the SCell activation is the m2th time slot, and m2 has a value of: wherein n represents a time at which a first command for triggering the terminal to activate an SCell is received as an nth time slot, T HARQ represents a time at which hybrid automatic retransmission is performed, T activation_time represents a time at which an SCell is activated, T SCI_Reporting represents a time at which a CSI report is transmitted, NR slot length represents an NR time slot length.

8. The method according to any one of claims 3 to 7, characterized in that, The method further comprises: performing the SCell activation based on the activated first SSB.

9. The method according to any one of claims 2 to 8, characterized in that, The first command comprises a command for triggering the terminal to activate the SCell; The terminal receives the first SSB and the second SSB sent by the network device, and the performing of the SCell activation based on the first SSB performing the SCell activation based on the first SSB at a first time, the first time being a time of receiving the first command for triggering the terminal to activate the SCell; performing the SCell activation based on the first SSB at a third time, the third time being a time of the terminal receiving a first available SSB after receiving the first command for triggering the terminal to activate the SCell; ​ performing SCell activation based on the first SSB at a fourth time, the fourth time being a time at which the terminal receives a latest SSB after receiving a first command for triggering the terminal to activate SCell.

10. The method of claim 9, wherein, The method further includes: determining a latest time at which the SCell activation is completed based on at least one of a time at which the first command for triggering the terminal to activate SCell is received, a time at which a hybrid automatic repeat is performed, a time at which the SCell is activated, a time at which a CSI report is transmitted, a length of an NR slot, and an interval time between the time at which the first command for triggering the terminal to activate SCell is received and the time at which the first command for triggering the first SSB is received.

11. The method of claim 10, wherein, The latest time for completing the SCell activation is the m1th time slot, and the value of m1 is: wherein n represents a time at which a first command for triggering the terminal to activate an SCell is received as an nth time slot, T HARQ represents a time at which hybrid automatic repeat is performed, T activation_time represents a time at which an SCell is activated, T SCI_Reporting represents a time at which a CSI report is transmitted, NR slot length represents an NR time slot length, T uncertainty_ODSSB represents an interval time between a time at which a first command for triggering the terminal to activate an SCell is received and a time at which a first command for triggering the first SSB is received.

12. The method according to any one of claims 1 to 11, characterized in that, performing secondary cell (SCell) activation, including: transmitting a CSI report to the network device and activating the SCell based on the activation operation.

13. The method according to any one of claims 1 to 12, characterized in that, The terminal supports at least one of the following technologies: Evolved Universal Terrestrial Radio Access Technology and New Radio Dual Connectivity (EN-DC); New Radio and Evolved Universal Terrestrial Radio Access Technology Dual Connectivity (NE-DC); New Radio Dual Connectivity (NR-DC); Independent NR Carrier Aggregation.

14. A communication method, comprising: The method is applied to a network device, and the method includes: transmitting a first command to a terminal, the first command being used for dynamic resource management, and the first command also being used for triggering the terminal to perform SCell activation based on a first SSB, the first SSB being an OD-SSB.

15. The method of claim 14, wherein, The method further includes any of the following: transmitting the first SSB to the terminal; transmitting the first SSB and a second SSB to the terminal, the second SSB being an always activated SSB.

16. The method according to claim 14 or 15, characterized in that, The first command includes a command for triggering the terminal to activate SCell, or the first command includes a command for triggering the terminal to activate SCell and a command for triggering the first SSB.

17. The method according to claim 15 or 16, characterized in that, In a case where the network device transmits the first SSB to the terminal, a time at which the terminal performs SCell activation based on the first SSB includes any of the following: a first time, the first time being a time at which the first command for triggering the terminal to activate SCell is received; a second time, the second time being a later time between a time at which the first command for triggering the terminal to activate SCell is received and a time at which the first command for triggering the first SSB is received.

18. The method of claim 17, wherein, The time at which the terminal performs SCell activation based on the first SSB is the first time, and a latest time at which the terminal completes the SCell activation is determined based on at least one of the time at which the first command for triggering the terminal to activate SCell is received, the time at which the hybrid automatic repeat is performed, the time at which the SCell is activated, the time at which the CSI report is transmitted, the length of the NR slot, the interval time between the time at which the first command for triggering the terminal to activate SCell is received and the time at which the first command for triggering the first SSB is received.

19. The method of claim 18, wherein, The latest time for the terminal to complete the SCell activation is the m1th time slot, and m1 has a value of: wherein n represents a time at which a first command for triggering the terminal to activate an SCell is received as an nth time slot, T HARQ represents a time at which hybrid automatic repeat is performed, T activation_time represents a time at which an SCell is activated, T SCI_Reporting represents a time at which a CSI report is transmitted, NR slot length represents an NR time slot length, T uncertainty_ODSSB represents an interval time between a time at which a first command for triggering the terminal to activate an SCell is received and a time at which a first command for triggering the first SSB is received.

20. The method of claim 17, wherein, A second time at which the terminal performs SCell activation based on the first SSB, the latest time at which the terminal completes SCell activation is determined based on at least one of a time at which a first command for triggering the terminal to activate SCell is received, a time at which hybrid automatic repeat is performed, a time at which SCell is activated, a time at which a CSI report is sent, and a length of a new radio, NR, slot.

21. The method of claim 20, wherein, The latest time for the terminal to complete the SCell activation is an m2th time slot, and m2 has a value of: wherein n represents a time at which a first command for triggering the terminal to activate an SCell is received as an nth time slot, T HARQ represents a time at which hybrid automatic retransmission is performed, T activation_time represents a time at which an SCell is activated, T SCI_Reporting represents a time at which a CSI report is transmitted, NR slot length represents an NR time slot length.

22. The method of any one of claims 15-21, wherein, In a case where the network device sends the terminal the first SSB and the second SSB, the time at which the terminal performs SCell activation based on the first SSB includes any one of: a first time, the first time being a time at which a first command for triggering the terminal to activate SCell is received; a third time, the third time being a time at which the terminal receives a first available SSB after receiving the first command for triggering the terminal to activate SCell; a fourth time, the fourth time being a time at which the terminal receives a latest SSB after receiving the first command for triggering the terminal to activate SCell.

23. The method of claim 22, wherein, A first time at which the terminal performs SCell activation based on the first SSB, the latest time at which the terminal completes SCell activation is determined based on at least one of a time at which a first command for triggering the terminal to activate SCell is received, a time at which hybrid automatic repeat is performed, a time at which SCell is activated, a time at which a CSI report is sent, a length of a new radio, NR, slot, and an interval between the time at which the first command for triggering the terminal to activate SCell is received and the time at which the first command for triggering the first SSB is received.

24. The method of claim 23, wherein, The latest time for the terminal to complete the SCell activation is the m1th time slot, and m1 has a value of: wherein n represents a time at which a first command for triggering the terminal to activate an SCell is received as an nth time slot, T HARQ represents a time at which hybrid automatic repeat is performed, T activation_time represents a time at which an SCell is activated, T SCI_Reporting represents a time at which a CSI report is transmitted, NR slot length represents an NR time slot length, T uncertainty_ODSSB represents an interval time between a time at which a first command for triggering the terminal to activate an SCell is received and a time at which a first command for triggering the first SSB is received.

25. The method of any one of claims 14 to 24, wherein, The method further includes: receiving a CSI report sent by the terminal.

26. The method of any one of claims 14 to 25, wherein, The terminal supports at least one of the following technologies: EN-DC; NE-DC; NR-DC; Independent NR carrier aggregation.

27. A terminal, characterized by Comprise: a transceiver module configured to receive a first command sent by a network device, the first command being used to implement dynamic resource management; a processing module configured to perform secondary cell, SCell, activation based on a first synchronization signal block, SSB, the first SSB being an on-demand synchronization signal block, OD-SSB.

28. A network device, comprising: Comprise: a transceiver module configured to send a terminal a first command, the first command being used to implement dynamic resource management, the first command also being used to trigger the terminal to perform SCell activation based on a first SSB, the first SSB being an OD-SSB.

29. A terminal, characterized by Comprise: one or more processors; wherein the terminal is configured to perform the communication method of any one of claims 1-13.

30. A network device, comprising: Comprise: one or more processors; wherein the network device is configured to perform the communication method of any one of claims 14-26.

31. A communication system, characterized by Comprise a terminal and a network device, wherein the terminal is configured to implement the communication method of any one of claims 1-13, and the network device is configured to implement the communication method of any one of claims 14-26.

32. A storage medium, the storage medium storing instructions, wherein, When the instructions are executed on the communication device, cause the communication device to perform the communication method as claimed in any one of claims 1-13 or 14-26.