CN116530147A

CN116530147A - SCG management method and device and terminal equipment

Info

Publication number: CN116530147A
Application number: CN202180077527.2A
Authority: CN
Inventors: 王淑坤; 徐婧
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2023-08-01
Also published as: WO2022183462A1

Abstract

The embodiment of the application provides a method and a device for managing SCG, and terminal equipment, wherein the method comprises the following steps: after the SCG is deactivated, the terminal equipment determines the state of the PSCell; and the terminal equipment executes the CSI measurement aiming at the PScell and reports the CSI measurement report under the condition that the PScell is in an active state with dormant behaviors.

Description

SCG management method and device and terminal equipment

Technical Field

The embodiment of the application relates to the technical field of mobile communication, in particular to a management method and device of a secondary cell group (Secondary Cell Group, SCG) and terminal equipment.

Background

To support power saving of the terminal equipment, the concept of SCG deactivation is introduced on the standard. However, after SCG deactivation, channel state indication (Channel Status Indicator, CSI) measurement reporting cannot be supported, which would result in that the link state security after SCG deactivation cannot be guaranteed.

Disclosure of Invention

The embodiment of the application provides a management method and device of SCG and terminal equipment.

The SCG management method provided by the embodiment of the application comprises the following steps:

after the SCG is deactivated, the terminal equipment determines the state of a primary cell (Primary Secondary Cell, PScell);

And the terminal equipment executes the CSI measurement aiming at the PScell and reports the CSI measurement report under the condition that the PScell is in an active state with dormant behaviors.

The SCG management device provided by the embodiment of the application is applied to terminal equipment, and the method comprises the following steps:

a determining unit, configured to determine a state of a primary and secondary cell PSCell after SCG is deactivated;

a measurement unit configured to perform CSI measurement for the PSCell in a case where the PSCell is in an active state with sleep behavior;

and the reporting unit is used for reporting the CSI measurement report.

The terminal equipment provided by the embodiment of the application comprises a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory and executing the SCG management method.

The chip provided by the embodiment of the application is used for realizing the SCG management method.

Specifically, the chip includes: and a processor for calling and running the computer program from the memory, so that the device mounted with the chip executes the SCG management method.

The computer readable storage medium provided in the embodiments of the present application is used for storing a computer program, where the computer program makes a computer execute the above-mentioned SCG management method.

The computer program product provided by the embodiment of the application comprises computer program instructions, wherein the computer program instructions enable a computer to execute the SCG management method.

The computer program provided in the embodiments of the present application, when executed on a computer, causes the computer to execute the above-described SCG management method.

Through the technical scheme, after the SCG is deactivated, the state of the PSCell is clarified; under the condition that the PSCell is in an active state with dormancy (dormancy) behavior, CSI measurement for the PSCell is executed and a CSI measurement report is reported, so that the measurement reporting of the CSI is realized, and the link state safety is further ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic diagram of a communication system architecture provided in an embodiment of the present application;

fig. 2 is a flow chart of a method for managing SCGs according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a management device of an SCG according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a communication device provided in an embodiment of the present application;

FIG. 5 is a schematic block diagram of a chip of an embodiment of the present application;

fig. 6 is a schematic block diagram of a communication system provided in an embodiment of the present application.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The technical solution of the embodiment of the application can be applied to various communication systems, for example: long term evolution (Long Term Evolution, LTE) systems, LTE frequency division duplex (Frequency Division Duplex, FDD) systems, LTE time division duplex (Time Division Duplex, TDD), systems, 5G communication systems, future communication systems, or the like.

Exemplary, a communication system 100 to which embodiments of the present application apply is shown in fig. 1. The communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or referred to as a communication terminal, terminal). Network device 110 may provide communication coverage for a particular geographic area and may communicate with terminals located within the coverage area. Alternatively, the network device 110 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in the LTE system, or a radio controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device may be a mobile switching center, a relay station, an access point, a vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network-side device in a 5G network, or a network device in a future communication system, etc.

The communication system 100 further includes at least one terminal 120 located within the coverage area of the network device 110. "terminal" as used herein includes, but is not limited to, connection via wireline, such as via public-switched telephone network (Public Switched Telephone Networks, PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, direct cable connection; and/or another data connection/network; and/or via a wireless interface, e.g., for a cellular network, a wireless local area network (Wireless Local Area Network, WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter; and/or means of the other terminal arranged to receive/transmit communication signals; and/or internet of things (Internet of Things, ioT) devices. Terminals arranged to communicate over a wireless interface may be referred to as "wireless communication terminals", "wireless terminals" or "mobile terminals". Examples of mobile terminals include, but are not limited to, satellites or cellular telephones; a personal communications system (Personal Communications System, PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; a PDA that can include a radiotelephone, pager, internet/intranet access, web browser, organizer, calendar, and/or a global positioning system (Global Positioning System, GPS) receiver; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A terminal may refer to an access terminal, user Equipment (UE), subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or User Equipment. An access terminal may be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal in a 5G network or a terminal in a future evolved PLMN, etc.

Alternatively, direct to Device (D2D) communication may be performed between the terminals 120.

Alternatively, the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.

Fig. 1 illustrates one network device and two terminals, alternatively, the communication system 100 may include multiple network devices and each network device may include other numbers of terminals within a coverage area, which is not limited in this embodiment.

Optionally, the communication system 100 may further include a network controller, a mobility management entity, and other network entities, which are not limited in this embodiment of the present application.

It should be understood that a device having a communication function in a network/system in an embodiment of the present application may be referred to as a communication device. Taking the communication system 100 shown in fig. 1 as an example, the communication device may include a network device 110 and a terminal 120 with communication functions, where the network device 110 and the terminal 120 may be specific devices described above, and are not described herein again; the communication device may also include other devices in the communication system 100, such as a network controller, a mobility management entity, and other network entities, which are not limited in this embodiment of the present application.

It should be understood that the terms "system" and "network" are used interchangeably herein. The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In order to facilitate understanding of the technical solutions of the embodiments of the present application, the following describes the technical solutions related to the embodiments of the present application.

With the pursuit of speed, delay, high speed mobility, energy efficiency and the diversity and complexity of future life services, the third generation partnership project (3rd Generation Partnership Project,3GPP) international standards organization has begun to develop 5G for this purpose. The main application scenario of 5G is: enhanced mobile ultra-wideband (Enhance Mobile Broadband, emmbb), low latency high reliability communications (Ultra Reliable Low Latency Communication, URLLC), large scale machine type communications (massive Machine Type Communication, mctc).

On the one hand, embbs still target users to obtain multimedia content, services and data, and their demand is growing very rapidly. On the other hand, since an eMBB may be deployed in different scenarios, such as indoors, urban, rural, etc., its capabilities and requirements are also quite different, so that detailed analysis must be performed in connection with a specific deployment scenario, not in general. Typical applications of URLLC include: industrial automation, electric power automation, remote medical operation (surgery), traffic safety guarantee and the like. Typical characteristics of mctc include: high connection density, small data volume, delay insensitive traffic, low cost and long service life of the module, etc.

At early deployment of NRs, full NR coverage is difficult to acquire, so typical network coverage is wide area LTE coverage and island coverage mode of NRs. And a large amount of LTE is deployed below 6GHz, and the frequency spectrum below 6GHz which can be used for 5G is few. NR must study spectral applications above 6GHz while high-band coverage is limited and signal fading is fast. Meanwhile, in order to protect the mobile operators from early investment in LTE, a tightly matched (tight interworking) working mode between LTE and NR is proposed.

To enable 5G network deployment and commercial applications as soon as possible, 3GPP first completes the first 5G release, EN-DC (LTE-NR Dual Connectivity). In EN-DC, an LTE base station (eNB) serves as a Master Node (MN), and an NR base station (gNB or EN-gNB) serves as a Secondary Node (SN), which is connected to an EPC core network. In the later stages of R15, other DC modes, namely NE-DC,5GC-EN-DC, NR DC will be supported. In NE-DC, NR base station is used as MN, eLTE base station is used as SN, and is connected with 5GC core network. In 5GC-EN-DC, an eLTE base station is used as MN, an NR base station is used as SN, and a 5GC core network is connected. In NR DC, NR base station is used as MN, NR base station is used as SN, and connected with 5GC core network.

NR can also be deployed independently. NR will be deployed in the future at high frequencies, and in order to improve coverage, in 5G, the requirements of coverage (coverage with space and space with time) are met by introducing a beam scanning (beam scanning) mechanism. After the introduction of beam sweep, a synchronization signal needs to be transmitted in each beam direction, and the synchronization signal of 5G is given in the form of a Synchronization Signal Block (SSB) including a primary synchronization signal (Primary Synchronisation Signal, PSS), a secondary synchronization signal (Secondary Synchronisation Signal, SSs), and a physical broadcast channel (Physical Broadcast Channel, PBCH). The synchronization signal of 5G appears periodically in the time domain in the form of a synchronization signal burst (SS burst set).

In 5G, the maximum channel bandwidth may be 400MHZ (known as wideband carrier), which is a large bandwidth compared to the LTE maximum 20M bandwidth. If the terminal device remains operating on the broadband carrier, the power consumption of the terminal device is very large. It is suggested that the Radio Frequency (RF) bandwidth of the terminal device may be adjusted according to the actual throughput of the terminal device. For this reason, a concept of a bandwidth Part (BWP) is introduced, and an motivation of the BWP is to optimize power consumption of the terminal device. For example, the rate of the terminal device is low, a smaller BWP may be configured for the terminal device, and if the rate requirement of the terminal device is high, a larger BWP may be configured for the terminal device. If the terminal device supports high rate or operates in carrier aggregation (Carrier Aggregation, CA) mode, the terminal device may be configured with multiple BWP. Another purpose of BWP is to trigger coexistence of multiple basic parameter sets (numerology) in one cell, e.g. BWP1 corresponds to numerology1 and BWP2 corresponds to numerology2.

The terminal device in idle state or inactive state resides on an initial BWP (initial BWP), which is visible to the terminal device in idle state or inactive state, from which the terminal device can obtain the master information block (Master Information Block, MIB), the remaining minimum system information (Remaining Minimum System Information, RMSI), other system information (Other System Information, OSI), paging (paging), and the like.

For the terminal device in the RRC connected state, at most 4 uplink BWP and at most 4 downlink BWP may be configured for one terminal through RRC dedicated signaling, but only one uplink BWP and downlink BWP may be activated at the same time. In the RRC dedicated signaling, a first activated BWP among the configured BWPs may be indicated. Meanwhile, in the process that the terminal equipment is in the RRC connection state, the terminal equipment can also be switched between different BWPs through downlink control information (Downlink Control Information, DCI). When the carrier in the inactive state enters the active state, the first active BWP is the first active BWP configured in the RRC dedicated signaling. The configuration parameters of each BWP include:

-subcarrier spacing (Subcarrier Spacing, SCS);

-Cyclic Prefix (Cyclic Prefix);

-a first physical resource block (Physical Resource Block, PRB) of BWP, a number of consecutive PRBs (locationnandbandwidth);

-BWP identification (BWP-Id);

-BWP Common configuration parameters (BWP-Common) and BWP specific configuration parameters (BWP-Dedicated).

The terminal device performs radio link monitoring (Radio Link Monitor, RLM) only on active BWP, and inactive BWP does not need to operate, nor reset RLM related timers and counters when switching between different BWP. For radio resource management (Radio Resource Management, RRM) measurements, the RRM measurements are not affected no matter on which active BWP the terminal device is transceiving data. For the measurement of the channel quality indication (Channel Quality Indication, CQI), the terminal device also only needs to perform on the activated BWP.

When a carrier is deactivated and then activated by a medium access control (MAC CE) unit (Media Access Control Control Element), the initial first activated BWP is the first activated BWP configured in the RRC dedicated signaling.

BWP identification (BWP id) takes on values 0 to 4 in RRC dedicated signaling, BWP with BWP identification 0 defaults to initial BWP.

The BWP indication (BWP indicator) is 2 bits (bits) in the DCI as shown in table 1 below. If the number of BWP configured is 3 or less, BWP indicator=1, 2,3 corresponds to BWP id=1, 2,3, respectively. If the number of BWP is 4, BWP indicator=0, 1,2,3 correspond to BWP configured in order index, respectively. And the network side uses consecutive BWP ids when configuring BWP.

TABLE 1

In order to support the energy saving of the terminal equipment and quickly establish the SCG, the concept of SCG deactivation is introduced in the standard, however, after the SCG deactivation, the state of the PSCell is not clear, and how to support CSI measurement reporting needs to be solved.

For this reason, the following technical solutions of the embodiments of the present application are proposed.

Fig. 2 is a flow chart of a method for managing SCGs according to an embodiment of the present application, as shown in fig. 2, where the method for managing SCGs includes the following steps:

Step 201: after the SCG is deactivated, the terminal device determines the state of the PSCell.

In this embodiment of the present application, MCG is a Cell Group (CG) on the MN side, and SCG is a Cell Group on the SN side. Wherein the MCG includes one PCell and one or more scells, and the SCG includes one PScell and one or more scells. Whether PCell, PScell or SCell, belong to a Serving Cell (Serving Cell) with a corresponding Serving Cell identity.

In some alternative embodiments, after SCG deactivation, all scells in the SCG are in a deactivated state.

In some alternative embodiments, after the SCG is deactivated, a portion of the scells in the SCG are in a deactivated state.

In this embodiment, after the SCG is deactivated, the PSCell in the SCG may be in a deactivated state or an activated state with sleep behavior. Here, it should be noted that the states of one serving cell may be as follows: a deactivated state, an activated state with dormant behavior, an activated state with non-dormant behavior. The active state with non-sleep behavior may also be simply referred to as active state.

For the active state with dormant behavior, it may be implemented by dormant (dorman) BWP, in particular, the dormant BWP of the serving cell is activated, so that the serving cell enters the active state with dormant behavior. Here, the dormant BWP is one configured through RRC dedicated signaling, and the terminal device does not perform listening of a physical downlink control channel (Physical Downlink Control Channel, PDCCH), reception of a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH), transmission of a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) on the dormant BWP of the serving cell, but performs CSI measurement, CSI measurement reporting, beam management, and the like on the dormant BWP.

For the PSCell, the sleep BWP is configured on the PSCell, and the state after the PSCell activates the sleep BWP is an activated state with sleep behavior. Here, the PSCell activates dormant BWP, and it can also be understood that the activated BWP of the PSCell is switched to dormant BWP.

In the embodiment of the present application, how to implement SCG deactivation and how to determine the state of PSCell after SCG deactivation may be implemented in the following manner.

Mode one

The terminal device receives an SCG deactivation command, where the SCG deactivation command is used to trigger SCG deactivation, and the SCG deactivation command is further used to trigger the PSCell to activate dormant BWP, where a state after the PSCell activates dormant BWP is an activated state with dormant behavior.

Here, optionally, the dormant BWP of the PSCell is activated (or the PSCell is triggered to enter dormant BWP) if and only if the terminal device receives an SCG deactivation command. Other commands do not enable the terminal device to activate dormant BWP of the PSCell, e.g. BWP handover commands carried in DCI.

Mode two

The terminal device receives first configuration information, wherein the first configuration information is used for configuring a first timer, the first timer is used for triggering SCG to be deactivated, and the first timer is also used for triggering the PSCell to activate dormant BWP, wherein the state after the PSCell activates dormant BWP is an activated state with dormant behavior.

In some alternative embodiments, the first configuration information is carried in RRC dedicated signaling. Specifically, the first configuration information includes duration information of the first configuration information.

In some alternative embodiments, the first configuration information is configured by MCG, which may also be understood as the first configuration information is configured by PCell.

In some alternative embodiments, the first configuration information is configured by SCG, which may also be understood as being configured by PSCell.

In this embodiment of the present application, after receiving the first configuration information, the terminal device starts the first timer based on the first configuration information; if the terminal equipment determines that the SCG side has data scheduling or data transmission, restarting the first timer by the terminal equipment; if the first timer expires, the terminal device determines that SCG is automatically deactivated and the PSCell activates dormant BWP.

In the above solution, the first timer is further configured to trigger the PSCell to activate dormant BWP, and alternatively, the first timer is further configured to trigger the PSCell to enter a deactivated state. Specifically, after receiving the first configuration information, the terminal equipment starts the first timer based on the first configuration information; if the terminal equipment determines that the SCG side has data scheduling or data transmission, restarting the first timer by the terminal equipment; if the first timer is overtime, the terminal equipment determines that SCG is automatically deactivated, and the PScell enters a deactivation state.

In the above scheme, the terminal device may determine that the SCG side has data scheduling or data transmission by:

1) If the terminal equipment receives DCI for scheduling the SCG side data transmission, determining that the SCG side has data scheduling; or,

2) If the terminal equipment receives the MAC PDU of the SCG side, determining that the SCG side has data transmission; or,

3) And if the terminal equipment sends the MAC PDU of the SCG side, determining that the SCG side has data transmission.

Step 202: and the terminal equipment executes the CSI measurement aiming at the PScell and reports the CSI measurement report under the condition that the PScell is in an active state with dormant behaviors.

In this embodiment of the present application, after SCG is deactivated, since the PSCell may be in an active state with sleep behavior, in other words, the PSCell may be in an active state and the active BWP is a sleep BWP, so CSI measurement reporting of the PSCell is supported.

In the embodiment of the application, the terminal device performs CSI measurement according to a channel state indication-Reference Signal (CSI-RS) configured by SCG for PSCell.

In the embodiment of the present application, in order to implement reporting of CSI measurement report (CSI report), a network side is required to configure a physical uplink control channel (Physical Uplink Control Channel, PUCCH) Resource for a terminal device, where the PUCCH Resource is, for example, PUCCH-CSI-Resource.

Here, the PUCCH resource may be a PUCCH resource on PCell or a PUCCH resource on PSCell. For the case that the PUCCH resource is the PUCCH resource on the PCell, the method belongs to a cross-CG reporting mode; the case where the PUCCH resource is a PUCCH resource on PSCell does not belong to the cross-CG reporting scheme. This is described below.

Reporting mode one

In some optional embodiments, the terminal device reports the CSI measurement report of the PSCell through a PUCCH resource on the PCell.

Here, the terminal device receives second configuration information, where the second configuration information is used to configure PUCCH resources on the PCell, and the PUCCH resources are used to transmit CSI measurement reports of the PSCell. Further optionally, the second configuration information is further used to configure at least one of:

reporting period of CSI measurement report;

reporting slot position for CSI measurement reports

A period of PUCCH resources for transmitting CSI measurement reports;

slot positions of PUCCH resources for transmitting CSI measurement reports.

In the above solution, optionally, the second configuration information is carried in RRC dedicated signaling.

Reporting mode II

In some optional embodiments, the terminal device reports a CSI measurement report of the PSCell through a PUCCH resource on the PSCell.

Here, the PUCCH resource on the PSCell is a PUCCH resource on dormant BWP; alternatively, the PUCCH resource on the PSCell is a PUCCH resource on non-dormant BWP.

It should be noted that, after SCG is deactivated, only CSI measurement reporting associated with CSI-RS on PSCell is continuously triggered, and other measurement reporting is deactivated.

In this embodiment of the present application, after SCG is deactivated, the TCI states (TCI states) of the PDCCH and PDSCH on the PSCell side need to be clear, so that beam management on the PDCCH and PDSCH can be implemented. Here, the TCI state of the PDCCH is used to determine the beam associated with the PDCCH, the TCI state of the PDSCH is used to determine the beam associated with the PDSCH, and how to determine the TCI state of the PDCCH and the TCI state of the PDSCH needs to be clarified, which will be described below.

The terminal equipment receives a first MAC CE and/or a second MAC CE sent by the MCG, wherein the first MAC CE is used for determining an activated TCI state of a PDCCH on the PScell side, and the second MAC CE is used for determining an activated TCI state of a PDSCH on the PScell side.

In some alternative embodiments, the first MAC CE carries a serving cell identity of the PSCell, and the second MAC CE carries a serving cell identity of the PSCell.

As an example, the first MAC CE is UE-specific PDCCH MAC CE (UE-specific PDCCH MAC CE), and UE-specific PDCCH MAC CE carries a TCI status identifier and a serving cell identifier, where the TCI status identifier is used to indicate an activated TCI status, and the serving cell identifier is a serving cell identifier of the PSCell. The terminal device may determine, according to the first MAC CE, an activated TCI state of the PDCCH of the PSCell.

As an example, the second MAC CE is a UE-specific PDSCH MAC CE (UE-specific PDSCH MAC CE), and a portion of bytes in the UE-specific PDSCH MAC CE is used to indicate whether each TCI state of the plurality of TCI states is in an active state or in a deactivated state, specifically, each bit in the byte corresponds to a TCI state identifier, and a value (e.g. 1 or 0) of the bit is used to indicate whether the TCI state indicated by the TCI state identifier corresponding to the bit is in an active state or in a deactivated state, and in addition, the UE-specific PDSCH MAC CE also carries a serving cell identifier, where the serving cell identifier is a serving cell identifier of the PSCell. The terminal device may determine, according to the second MAC CE, one or more TCI states of the PDSCH of the PSCell that are activated.

The first MAC CE and/or the second MAC CE are/is transmitted through the MAC layer of the MCG.

In the case where the number of activated TCI states determined based on the second MAC CE is a plurality, it is necessary to further determine which one of the plurality of TCI states the TCI state of the PDSCH is. This is described below.

The method comprises the steps that A) the terminal equipment receives first DCI sent by MCG, wherein the first DCI carries a first TCI state identifier, and the first TCI state identifier is used for indicating a first TCI state in a plurality of activated TCI states; wherein the first TCI state is used for PDSCH transmission on the PSCell side. Further optionally, the first DCI further carries indication information of the SCG and/or a serving cell identifier of the PSCell.

As an example, the second MAC CE determines that there are 8 TCI states in the active state (or activated), i.e., TCI states 1 to 8, respectively. The terminal equipment receives DCI sent by the MCG, wherein the DCI carries a TCI state identifier, and the TCI state identifier is used for indicating TCI state 3 in 8 TCI states. The terminal device can determine that the PDSCH of the PSCell is transmitted based on TCI state 3 according to the DCI.

The method B) the terminal equipment receives a third MAC CE sent by the MCG, wherein the third MAC CE carries a first TCI state identifier, and the first TCI state identifier is used for indicating a first TCI state in a plurality of activated TCI states; wherein the first TCI state is used for PDSCH transmission on the PSCell side.

Here, the third MAC CE is a newly defined MAC CE, unlike the first MAC CE and the second MAC CE, and in order to distinguish the newly defined MAC CE, a new Logical Channel Identification (LCID) may be defined for the newly defined MAC CE, and the terminal device may determine what the content carried in the third MAC CE is according to the LCID.

As an example, the second MAC CE determines that there are 8 TCI states in the active state (or activated), i.e., TCI states 1 to 8, respectively. The terminal equipment receives a third MAC CE sent by the MCG, wherein the third MAC CE carries a TCI state identifier, and the TCI state identifier is used for indicating TCI state 3 in 8 TCI states. The terminal device may determine, according to the third MAC CE, that the PDSCH of the PSCell is transmitted based on the TCI state 3.

In the embodiment of the application, after SCG is deactivated, RRM measurement may be relaxed.

Specifically, after the SCG is deactivated, the terminal device performs measurement associated with at least one serving cell in the SCG; the measurement of the serving cell association refers to the measurement of the measurement object configured by the serving cell. The terminal equipment reports a measurement report based on measurement configuration associated with the measurement object, wherein the measurement configuration is identified through measurement identification (measurement id).

In some alternative embodiments, the terminal device performs measurements for PSCell association in the SCG after SCG deactivation.

In some alternative embodiments, the terminal device performs measurements for all serving cell associations in the SCG after the SCG is deactivated.

In some alternative embodiments, the terminal device performs measurements for the active cell association in the SCG after the SCG is deactivated.

In some alternative embodiments, the terminal device performs measurements for the serving cell associations in the SCG that are in an active state and the active BWP is not dormant BWP after the SCG is deactivated.

In the above-described scheme, the measurement associated with the serving cell refers to measurement of a measurement object of the serving cell configuration, and as an example, a cell of a serving cell measurement object (ServingCellMO) in the serving cell configuration indicates the measurement object, and measurement for the serving cell indicates measurement for the measurement object indicated by ServingCellMO.

Fig. 3 is a schematic structural diagram of an SCG management apparatus provided in an embodiment of the present application, which is applied to a terminal device, as shown in fig. 3, where the SCG management apparatus includes:

a determining unit 301, configured to determine a state of a primary and secondary cell PSCell after SCG is deactivated;

A measurement unit 302, configured to perform CSI measurement for the PSCell when the PSCell is in an active state with sleep behavior;

and a reporting unit 303, configured to report the CSI measurement report.

In some alternative embodiments, the apparatus further comprises:

a receiving unit (not shown in the figure) is configured to receive an SCG deactivation command, where the SCG deactivation command is used to trigger SCG deactivation, and the SCG deactivation command is further used to trigger the PSCell to activate dormant BWP, where a state after the PSCell activates dormant BWP is an activated state with dormant behavior.

In some alternative embodiments, the apparatus further comprises:

and the receiving unit is used for receiving first configuration information, the first configuration information is used for configuring a first timer, the first timer is used for triggering SCG to be deactivated, the first timer is also used for triggering the PSCell to activate dormant BWP, and the state after the PSCell activates dormant BWP is an activated state with dormant behavior.

In some alternative embodiments, the first configuration information is configured by the MCG; or,

the first configuration information is configured by an SCG.

In some alternative embodiments, the first configuration information is carried in RRC dedicated signaling.

In some alternative embodiments, the apparatus further comprises: a processing unit (not shown in the figure) for starting the first timer based on the first configuration information after receiving the first configuration information; if the SCG side is determined to have data scheduling or data transmission, restarting the first timer by the terminal equipment;

the determining unit 301 is configured to determine that SCG is deactivated and that PSCell activates dormant BWP if the first timer expires.

In some alternative embodiments, the determining unit 301 is further configured to:

if the terminal equipment receives DCI for scheduling the SCG side data transmission, determining that the SCG side has data scheduling; or,

if the terminal equipment receives the MAC PDU of the SCG side, determining that the SCG side has data transmission; or,

and if the terminal equipment sends the MAC PDU of the SCG side, determining that the SCG side has data transmission.

In some alternative embodiments, the measurement unit is configured to perform CSI measurement according to a CSI-RS for PSCell configured by SCG.

In some optional embodiments, the reporting unit 303 is configured to report the CSI measurement report of the PSCell through a PUCCH resource on the PCell.

In some alternative embodiments, the apparatus further comprises:

a receiving unit, configured to receive second configuration information, where the second configuration information is used to configure a PUCCH resource on the PCell, and the PUCCH resource is used to transmit a CSI measurement report of the PSCell.

In some optional embodiments, the second configuration information is further used to configure at least one of:

reporting period of CSI measurement report;

reporting slot position for CSI measurement reports

A period of PUCCH resources for transmitting CSI measurement reports;

slot positions of PUCCH resources for transmitting CSI measurement reports.

In some optional embodiments, the reporting unit 303 is configured to report the CSI measurement report of the PSCell through a PUCCH resource on the PSCell.

In some optional embodiments, the PUCCH resources on PSCell are PUCCH resources on dormant BWP; or,

the PUCCH resource on PSCell is a PUCCH resource on non-dormant BWP.

In some alternative embodiments, the apparatus further comprises:

a receiving unit, configured to receive a first MAC CE and/or a second MAC CE sent by an MCG, where the first MAC CE is configured to determine an activated TCI state of a PDCCH on a PSCell side, and the second MAC CE is configured to determine an activated TCI state of a PDSCH on the PSCell side.

In some alternative embodiments, the number of activated TCI states determined based on the second MAC CE is a plurality;

the receiving unit is further configured to receive a first DCI sent by the MCG, where the first DCI carries a first TCI state identifier, where the first TCI state identifier is used to indicate a first TCI state of the plurality of activated TCI states; wherein the first TCI state is used for PDSCH transmission on the PSCell side.

In some optional embodiments, the first DCI further carries indication information of the SCG and/or a serving cell identifier of the PSCell.

the receiving unit is further configured to receive a third MAC CE sent by the MCG, where the third MAC CE carries a first TCI state identifier, and the first TCI state identifier is configured to indicate a first TCI state of the plurality of activated TCI states; wherein the first TCI state is used for PDSCH transmission on the PSCell side.

In some alternative embodiments, the measurement unit 302 is further configured to perform measurements for at least one serving cell association in the SCG after the SCG is deactivated; the measurement of the service cell association refers to measurement of a measurement object configured by the service cell.

In some alternative embodiments, the measuring unit 302 is configured to:

performing measurements for PSCell associations in the SCG; or,

performing measurements for all serving cell associations in the SCG; or,

performing measurements for active cell associations in the SCG; or,

measurements are performed for a serving cell association in the SCG that is in an active state and that an active BWP is not a dormant BWP.

In some optional embodiments, the reporting unit 303 is further configured to report a measurement report based on a measurement configuration associated with the measurement object, where the measurement configuration is identified by a measurement identifier.

It should be understood by those skilled in the art that the above description of the management apparatus of the SCG according to the embodiments of the present application may be understood with reference to the description of the management method of the SCG according to the embodiments of the present application.

Fig. 4 is a schematic structural diagram of a communication device 400 provided in an embodiment of the present application. The communication device may be a terminal device or a network device, and the communication device 400 shown in fig. 4 includes a processor 410, where the processor 410 may call and execute a computer program from a memory to implement the method in the embodiments of the present application.

Optionally, as shown in fig. 4, the communication device 400 may also include a memory 420. Wherein the processor 410 may call and run a computer program from the memory 420 to implement the methods in embodiments of the present application.

Wherein the memory 420 may be a separate device from the processor 410 or may be integrated into the processor 410.

Optionally, as shown in fig. 4, the communication device 400 may further include a transceiver 430, and the processor 410 may control the transceiver 430 to communicate with other devices, and in particular, may send information or data to other devices, or receive information or data sent by other devices.

Among other things, transceiver 430 may include a transmitter and a receiver. Transceiver 430 may further include antennas, the number of which may be one or more.

Optionally, the communication device 400 may be specifically a network device in the embodiment of the present application, and the communication device 400 may implement a corresponding flow implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.

Optionally, the communication device 400 may be specifically a mobile terminal/terminal device in the embodiment of the present application, and the communication device 400 may implement a corresponding flow implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein for brevity.

Fig. 5 is a schematic structural diagram of a chip of an embodiment of the present application. The chip 500 shown in fig. 5 includes a processor 510, and the processor 510 may call and run a computer program from a memory to implement the methods in the embodiments of the present application.

Optionally, as shown in fig. 5, the chip 500 may further include a memory 520. Wherein the processor 510 may call and run a computer program from the memory 520 to implement the methods in embodiments of the present application.

Wherein the memory 520 may be a separate device from the processor 510 or may be integrated into the processor 510.

Optionally, the chip 500 may also include an input interface 530. The processor 510 may control the input interface 530 to communicate with other devices or chips, and in particular, may obtain information or data sent by other devices or chips.

Optionally, the chip 500 may also include an output interface 540. Wherein the processor 510 may control the output interface 540 to communicate with other devices or chips, and in particular may output information or data to other devices or chips.

Optionally, the chip may be applied to a network device in the embodiment of the present application, and the chip may implement a corresponding flow implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.

Optionally, the chip may be applied to a mobile terminal/terminal device in the embodiment of the present application, and the chip may implement a corresponding flow implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein for brevity.

It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.

Fig. 6 is a schematic block diagram of a communication system 600 provided by an embodiment of the present application. As shown in fig. 6, the communication system 600 includes a terminal device 610 and a network device 620.

The terminal device 610 may be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 620 may be used to implement the corresponding functions implemented by the network device in the above method, which are not described herein for brevity.

It should be appreciated that the processor of an embodiment of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.

It will be appreciated that the memory in embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), and Direct memory bus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

It should be understood that the above memory is exemplary but not limiting, and for example, the memory in the embodiments of the present application may be Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), direct RAM (DR RAM), and the like. That is, the memory in embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

Embodiments of the present application also provide a computer-readable storage medium for storing a computer program.

Optionally, the computer readable storage medium may be applied to a network device in the embodiments of the present application, and the computer program causes a computer to execute a corresponding flow implemented by the network device in each method in the embodiments of the present application, which is not described herein for brevity.

Optionally, the computer readable storage medium may be applied to a mobile terminal/terminal device in the embodiments of the present application, and the computer program causes a computer to execute a corresponding procedure implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, which is not described herein for brevity.

Embodiments of the present application also provide a computer program product comprising computer program instructions.

Optionally, the computer program product may be applied to a network device in the embodiments of the present application, and the computer program instructions cause the computer to execute corresponding flows implemented by the network device in the methods in the embodiments of the present application, which are not described herein for brevity.

Optionally, the computer program product may be applied to a mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause a computer to execute corresponding processes implemented by the mobile terminal/terminal device in the methods in the embodiments of the present application, which are not described herein for brevity.

The embodiment of the application also provides a computer program.

Optionally, the computer program may be applied to a network device in the embodiments of the present application, and when the computer program runs on a computer, the computer is caused to execute a corresponding flow implemented by the network device in each method in the embodiments of the present application, which is not described herein for brevity.

Optionally, the computer program may be applied to a mobile terminal/terminal device in the embodiments of the present application, where the computer program when run on a computer causes the computer to execute corresponding processes implemented by the mobile terminal/terminal device in the methods in the embodiments of the present application, and for brevity, will not be described herein.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.

In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A method of managing secondary cell group SCGs, the method comprising:

after the SCG is deactivated, the terminal equipment determines the state of a primary and secondary cell PSCell;

and the terminal equipment executes Channel State Indication (CSI) measurement aiming at the PScell and reports a CSI measurement report under the condition that the PScell is in an active state with dormant behaviors.
The method of claim 1, wherein the method further comprises:

the terminal device receives an SCG deactivation command, where the SCG deactivation command is used to trigger SCG deactivation, and the SCG deactivation command is further used to trigger the PSCell to activate dormant BWP, where a state after the PSCell activates dormant BWP is an activated state with dormant behavior.
The method of claim 1, wherein the method further comprises:

The terminal device receives first configuration information, wherein the first configuration information is used for configuring a first timer, the first timer is used for triggering SCG to be deactivated, and the first timer is also used for triggering the PSCell to activate dormant BWP, wherein the state after the PSCell activates dormant BWP is an activated state with dormant behavior.
The method of claim 3, wherein,

the first configuration information is configured by a master cell group MCG; or,

the first configuration information is configured by an SCG.
The method of claim 3 or 4, wherein the first configuration information is carried in radio resource control, RRC, dedicated signaling.
The method of any of claims 3 to 5, wherein the method further comprises:

after receiving the first configuration information, the terminal equipment starts the first timer based on the first configuration information;

if the terminal equipment determines that the SCG side has data scheduling or data transmission, restarting the first timer by the terminal equipment;

if the first timer expires, the terminal device determines that SCG is deactivated and the PSCell activates dormant BWP.
The method of claim 6, wherein the terminal device determining that the SCG side has data scheduling or data transmission comprises:

If the terminal equipment receives downlink control information DCI for scheduling the SCG side data transmission, determining that the SCG side has data scheduling; or,

if the terminal equipment receives the Media Access Control (MAC) Protocol Data Unit (PDU) of the SCG side, determining that the SCG side has data transmission; or,

and if the terminal equipment sends the MAC PDU of the SCG side, determining that the SCG side has data transmission.
The method of any of claims 1-7, wherein the performing CSI measurements for the PSCell comprises:

and the terminal equipment performs CSI measurement according to a PScell-specific channel state indication-reference signal (CSI-RS) configured by SCG.
The method of any of claims 1-8, wherein the reporting CSI measurement reports comprises:

and the terminal equipment reports the CSI measurement report of the PScell through a Physical Uplink Control Channel (PUCCH) resource on the PCell of the main cell.
The method of claim 9, wherein the method further comprises:

the terminal equipment receives second configuration information, wherein the second configuration information is used for configuring PUCCH resources on the PCell, and the PUCCH resources are used for transmitting the CSI measurement report of the PScell.
The method of claim 10, wherein the second configuration information is further used to configure at least one of:

reporting period of CSI measurement report;

reporting slot position for CSI measurement reports

A period of PUCCH resources for transmitting CSI measurement reports;

slot positions of PUCCH resources for transmitting CSI measurement reports.
The method of any of claims 1-8, wherein the reporting CSI measurement reports comprises:

and the terminal equipment reports the CSI measurement report of the PSCell through the PUCCH resource on the PSCell.
The method of claim 12, wherein,

the PUCCH resource on PSCell is a PUCCH resource on dormant BWP; or,

the PUCCH resource on PSCell is a PUCCH resource on non-dormant BWP.
The method of any one of claims 1 to 13, wherein the method further comprises:

the terminal equipment receives a first MAC control unit CE and/or a second MAC CE sent by the MCG, wherein the first MAC CE is used for determining an activated transmission configuration indication TCI state of a physical downlink control channel PDCCH at a PScell side, and the second MAC CE is used for determining an activated TCI state of the physical downlink shared channel PDSCH at the PScell side.
The method of claim 14, wherein the first MAC CE carries a serving cell identity of the PSCell and the second MAC CE carries a serving cell identity of the PSCell.
The method of claim 14 or 15, wherein the number of activated TCI states determined based on the second MAC CE is a plurality; the method further comprises the steps of:

the terminal equipment receives first DCI sent by an MCG, wherein the first DCI carries a first TCI state identifier, and the first TCI state identifier is used for indicating a first TCI state in a plurality of activated TCI states; wherein the first TCI state is used for PDSCH transmission on the PSCell side.
The method of claim 16, wherein the first DCI further carries indication information of the SCG and/or a serving cell identity of the PSCell.
The method of claim 14 or 15, wherein the number of activated TCI states determined based on the second MAC CE is a plurality; the method further comprises the steps of:

the terminal equipment receives a third MAC CE sent by the MCG, wherein the third MAC CE carries a first TCI state identifier, and the first TCI state identifier is used for indicating a first TCI state in a plurality of activated TCI states; wherein the first TCI state is used for PDSCH transmission on the PSCell side.
The method of any one of claims 1 to 18, wherein the method further comprises:

after the SCG is deactivated, the terminal equipment executes measurement associated with at least one service cell in the SCG; the measurement of the service cell association refers to measurement of a measurement object configured by the service cell.
The method of claim 19, wherein the performing measurements for at least one serving cell association in the SCG comprises:

performing measurements for PSCell associations in the SCG; or,

performing measurements for all serving cell associations in the SCG; or,

performing measurements for active cell associations in the SCG; or,

measurements are performed for a serving cell association in the SCG that is in an active state and that an active BWP is not a dormant BWP.
The method of claim 19 or 20, wherein the method further comprises:

and the terminal equipment reports a measurement report based on the measurement configuration related to the measurement object, and the measurement configuration is identified by a measurement identifier.
A management apparatus of SCG, applied to a terminal device, the method comprising:

A determining unit, configured to determine a state of a primary and secondary cell PSCell after SCG is deactivated;

a measurement unit configured to perform CSI measurement for the PSCell in a case where the PSCell is in an active state with sleep behavior;

and the reporting unit is used for reporting the CSI measurement report.
The apparatus of claim 22, wherein the apparatus further comprises:

and the receiving unit is used for receiving an SCG deactivation command, wherein the SCG deactivation command is used for triggering SCG deactivation, and the SCG deactivation command is also used for triggering the PSCell to activate the dormant BWP, and the state after the PSCell activates the dormant BWP is an activated state with dormant behavior.
The apparatus of claim 22, wherein the apparatus further comprises:

and the receiving unit is used for receiving first configuration information, the first configuration information is used for configuring a first timer, the first timer is used for triggering SCG to be deactivated, the first timer is also used for triggering the PSCell to activate dormant BWP, and the state after the PSCell activates dormant BWP is an activated state with dormant behavior.
The apparatus of claim 24, wherein,

the first configuration information is configured by an MCG; or,

The first configuration information is configured by an SCG.
The apparatus of claim 24 or 25, wherein the first configuration information is carried in RRC dedicated signaling.
The apparatus of any one of claims 24 to 26, wherein,

the apparatus further comprises: the processing unit is used for starting the first timer based on the first configuration information after receiving the first configuration information; if the SCG side is determined to have data scheduling or data transmission, restarting the first timer by the terminal equipment;

the determining unit is configured to determine that SCG is deactivated and that PSCell activates dormant BWP if the first timer expires.
The apparatus of claim 27, wherein the determining unit is further configured to:

if the terminal equipment receives DCI for scheduling the SCG side data transmission, determining that the SCG side has data scheduling; or,

if the terminal equipment receives the MAC PDU of the SCG side, determining that the SCG side has data transmission; or,

and if the terminal equipment sends the MAC PDU of the SCG side, determining that the SCG side has data transmission.
The apparatus of any of claims 22-28, wherein the measurement unit is configured to perform CSI measurement in accordance with a SCG configured CSI-RS for PSCell.
The apparatus of any one of claims 22 to 29, wherein the reporting unit is configured to report the CSI measurement report of the PSCell through PUCCH resources on a PCell.
The apparatus of claim 30, wherein the apparatus further comprises:

a receiving unit, configured to receive second configuration information, where the second configuration information is used to configure a PUCCH resource on the PCell, and the PUCCH resource is used to transmit a CSI measurement report of the PSCell.
The apparatus of claim 31, wherein the second configuration information is further configured to at least one of:

reporting period of CSI measurement report;

reporting time slot position of CSI measurement report;

a period of PUCCH resources for transmitting CSI measurement reports;

slot positions of PUCCH resources for transmitting CSI measurement reports.
The apparatus of any of claims 22-29, wherein the reporting unit is configured to report a CSI measurement report of a PSCell through a PUCCH resource on the PSCell.
The apparatus of claim 33, wherein,

the PUCCH resource on PSCell is a PUCCH resource on dormant BWP; or,

the PUCCH resource on PSCell is a PUCCH resource on non-dormant BWP.
The apparatus of any one of claims 22 to 34, wherein the apparatus further comprises:

a receiving unit, configured to receive a first MAC CE and/or a second MAC CE sent by an MCG, where the first MAC CE is configured to determine an activated TCI state of a PDCCH on a PSCell side, and the second MAC CE is configured to determine an activated TCI state of a PDSCH on the PSCell side.
The apparatus of claim 35, wherein the first MAC CE carries a serving cell identity of the PSCell and the second MAC CE carries a serving cell identity of the PSCell.
The apparatus of claim 35 or 36, wherein the number of activated TCI states determined based on the second MAC CE is a plurality;

the receiving unit is further configured to receive a first DCI sent by the MCG, where the first DCI carries a first TCI state identifier, where the first TCI state identifier is used to indicate a first TCI state of the plurality of activated TCI states; wherein the first TCI state is used for PDSCH transmission on the PSCell side.
The apparatus of claim 37, wherein the first DCI further carries indication information of the SCG and/or a serving cell identity of the PSCell.
The apparatus of claim 35 or 36, wherein the number of activated TCI states determined based on the second MAC CE is a plurality;

The receiving unit is further configured to receive a third MAC CE sent by the MCG, where the third MAC CE carries a first TCI state identifier, and the first TCI state identifier is configured to indicate a first TCI state of the plurality of activated TCI states; wherein the first TCI state is used for PDSCH transmission on the PSCell side.
The apparatus of any of claims 22 to 39, wherein the measurement unit is further configured to perform measurements for at least one serving cell association in the SCG after SCG deactivation; the measurement of the service cell association refers to measurement of a measurement object configured by the service cell.
The apparatus of claim 40, wherein the measurement unit is configured to:

performing measurements for PSCell associations in the SCG; or,

performing measurements for all serving cell associations in the SCG; or,

performing measurements for active cell associations in the SCG; or,

measurements are performed for a serving cell association in the SCG that is in an active state and that an active BWP is not a dormant BWP.
The apparatus of claim 40 or 41, wherein the reporting unit is further configured to report a measurement report based on a measurement configuration associated with the measurement object, the measurement configuration being identified by a measurement identity.
A terminal device, comprising: a processor and a memory for storing a computer program, the processor being adapted to invoke and run the computer program stored in the memory to perform the method of any of claims 1 to 21.
A chip, comprising: a processor for calling and running a computer program from a memory, causing a device on which the chip is mounted to perform the method of any one of claims 1 to 21.
A computer readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 1 to 21.
A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 1 to 21.
A computer program which causes a computer to perform the method of any one of claims 1 to 21.