WO2023082064A1

WO2023082064A1 - Method and apparatus for transmitting channel state information reference signal (csi-rs), and medium

Info

Publication number: WO2023082064A1
Application number: PCT/CN2021/129641
Authority: WO
Inventors: 付婷
Original assignee: 北京小米移动软件有限公司
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2023-05-19
Also published as: CN116420373A

Abstract

Provided in the present disclosure are a method and apparatus for transmitting a channel state information reference signal (CSI-RS), and a readable storage medium. The method comprises: receiving a CSI-RS, which is sent by a network device and is used when a secondary cell is in a dormant state, wherein the CSI-RS is used for executing, when the secondary cell of a user equipment is in the dormant state, a measurement related to beam failure detection and/or beam management. In the present disclosure, a dedicated CSI-RS which is used when a secondary cell is in a dormant is used, such that when the secondary cell is in the dormant state, a user equipment executes, according to the dedicated CSI-RS, a measurement which is only suitable for the dormant state; in addition, a network device can conveniently control a sending period of the dedicated CSI-RS, and when the sending period of the dedicated CSI-RS is controlled to be greater than a sending period of a CSI-RS which is used by the user equipment when the secondary cell is in a non-dormant state, measurement operations related to beam failure detection and/or beam management that are executed by the user equipment are reduced, thereby reducing energy consumption.

Description

Method, device and medium for transmitting channel state information reference signal CSI-RS

technical field

The present disclosure relates to the technical field of wireless communication, and in particular to a method, device and readable storage medium for transmitting a Channel State Information Reference Signal (CSI-RS).

Background technique

In a wireless communication protocol, for example, in the R16 protocol, when the secondary cell (Secondary Cell, Scell) of the user equipment (User Equipment, UE) is in a dormant (dormant) state, the UE will not monitor the physical downlink control sent on the Scell channel (PDCCH) or downlink shared channel (DL-SCH), and will not transmit uplink shared channel (UL-SCH) or random access channel (RACH) or uplink sounding reference signal (SRS).

When the Scell is in a dormant state, the base station still needs to send some Channel State Information Reference Signals (CSI-RS) to the UE, and the UE also needs to perform related measurements and reports according to the CSI-RS. When the Scell is in a dormant state, the base station and the user equipment have the problem of wasting energy consumption.

Contents of the invention

In view of this, the present disclosure provides a method, device and readable storage medium for transmitting a channel state information reference signal CSI-RS.

According to the first aspect of the embodiments of the present disclosure, there is provided a method for receiving a channel state information reference signal CSI-RS, the method is executed by a user equipment, including:

Receiving the CSI-RS sent by the network device for use when the secondary cell is in a dormant state, wherein the CSI-RS is used to perform beam failure detection (beam failure detection) when the secondary cell of the user equipment is in a dormant state ) related and/or beam management related measurements.

Using this method, using a dedicated CSI-RS for use when the secondary cell is in a dormant state, so that the user equipment performs measurements that are only applicable to the above dormant state according to the dedicated CSI-RS when the secondary cell is in a dormant state, and , so that the network device can conveniently control the transmission period of the dedicated CSI-RS, and when the transmission period of the dedicated CSI-RS is controlled to be greater than the transmission period of the CSI-RS used by the user equipment in the non-dormant state of the secondary cell, The user equipment performs beam failure detection-related and/or beam management-related measurement operations to save energy consumption.

In a possible implementation manner, the method further includes: receiving configuration information sent by the network device, where the configuration information is at least used to indicate the CSI-RS used when the secondary cell is in a dormant state At least one of CSI-RS resources, power parameters and sequence generation parameters.

In a possible implementation manner, the method further includes: reporting a measurement result to the network device, wherein the measurement result is based on the CSI-RS performing beam failure monitoring related and/or beam management related The result of the measurement.

In a possible implementation manner, the method further includes: receiving reporting configuration information sent by the network device, where the reporting configuration information is used to indicate a reporting method for reporting measurement results, and the measurement results are based on the CSI - the result of the RS performing measurements related to beam failure detection and/or beam management.

In a possible implementation manner, the reporting manner is a periodic reporting manner, where the periodic reporting manner is associated with a periodic CSI-RS used when the secondary cell is in a dormant state.

In a possible implementation manner, the reporting method is a semi-persistent reporting method, where the semi-persistent reporting method is associated with the semi-persistent CSI-RS used when the secondary cell is in a dormant state or the Periodic CSI-RS used when the secondary cell is in a dormant state.

In a possible implementation manner, the CSI-RS is a periodic CSI-RS or a semi-persistent CSI-RS.

In a possible implementation manner, the CSI-RS is at least one of the following RRC layer parameters:

Beam failure detection resources used in the dormant state; candidate beams used in the dormant state refer to the secondary cell list.

In a possible implementation manner, the method further includes: when the secondary cell of the user equipment transitions from a dormant state to a non-sleeping state or when the secondary cell of the user equipment transitions from a non-sleeping state to a dormant state , to reset the beam failure detection counter.

In a possible implementation manner, the method also includes:

The beam failure detection counter is maintained when the secondary cell of the user equipment transitions from the dormant state to the non-sleep state or when the secondary cell of the user equipment transitions from the non-sleep state to the dormant state.

According to the second aspect of the embodiments of the present disclosure, there is provided a method for sending a channel state information reference signal CSI-RS, the method is executed by a network device, including:

sending to the user equipment a CSI-RS for use when the secondary cell is in a dormant state, where the CSI-RS is used to perform beam failure detection correlation and/or beam failure detection when the secondary cell of the user equipment is in a dormant state Manage related measurements.

Using this method, using a dedicated CSI-RS for use when the secondary cell is in a dormant state, so that the user equipment performs measurements that are only applicable to the above dormant state according to the dedicated CSI-RS when the secondary cell is in a dormant state, and The network device can conveniently control the transmission period of the dedicated CSI-RS, and when the transmission period of the dedicated CSI-RS is controlled to be greater than the transmission period of the CSI-RS used by the user equipment in the non-sleeping state of the secondary cell, the The user equipment performs measurement operations related to beam failure detection and/or beam management to save energy consumption.

In a possible implementation manner, the method also includes:

sending configuration information to the user equipment, where the configuration information is at least used to indicate at least one of CSI-RS resources, power parameters and sequence generation parameters of the CSI-RS used when the secondary cell is in a dormant state .

In a possible implementation manner, the method also includes:

The measurement result is received from the user equipment, wherein the measurement result is a result of performing a beam failure detection related and/or beam management related measurement based on the CSI-RS.

In a possible implementation manner, the method also includes:

sending reporting configuration information to the user equipment, where the reporting configuration information is used to indicate the reporting manner of reporting measurement results, where the measurement results are results of measurements related to beam failure detection and/or beam management based on the CSI-RS .

In a possible implementation manner, the method also includes:

Based on the reporting manner, a measurement result is received from the user equipment, the measurement result being a result of performing a measurement related to beam failure detection and/or beam management based on the CSI-RS.

In a possible implementation manner, the reporting method is a semi-persistent reporting method, wherein the semi-persistent reporting method is associated with the semi-persistent CSI-RS resource used when the secondary cell is in a dormant state or in the Periodic CSI-RS used when the secondary cell is in a dormant state.

According to a third aspect of the embodiments of the present disclosure, a communication device is provided. The communication device may be used to execute the steps performed by the user equipment in the above first aspect or any possible design of the first aspect. The user equipment can implement each function in the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.

When the communication device described in the third aspect is realized by a software module, the communication device may include a transceiver module, where the transceiver module may be used to support the communication device to perform communication.

When performing the steps described in the first aspect above, the transceiver module is configured to receive the CSI-RS sent by the network device for use when the secondary cell is in a dormant state, wherein the CSI-RS is used in the user equipment The secondary cell in the dormant state performs measurements related to beam failure detection and/or beam management.

According to a fourth aspect of the embodiments of the present disclosure, a communication device is provided. The communication device may be used to execute the steps executed by the network device in the above second aspect or any possible design of the second aspect. The network device can realize each function in the above-mentioned methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.

When the communication device described in the fourth aspect is realized by a software module, the communication device may include a transceiver module, wherein the transceiver module may be used to support the communication device to perform communication.

When performing the steps described in the above second aspect, the transceiver module is configured to send the CSI-RS used when the secondary cell is in a dormant state to the user equipment, wherein the CSI-RS is used in the user equipment The secondary cell performs measurements related to beam failure detection and/or beam management in a dormant state.

According to a fifth aspect of the embodiments of the present disclosure, there is provided a communication device, including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program, so as to realize the first aspect or the first any possible design of the aspect.

According to a sixth aspect of the embodiments of the present disclosure, there is provided a communication device, including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program, so as to realize the second aspect or the second any possible design of the aspect.

According to a seventh aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, the computer-readable storage medium stores instructions (or called computer programs, programs), and when they are invoked and executed on a computer, the The computer implements the above first aspect or any possible design of the first aspect.

According to an eighth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, the computer-readable storage medium stores instructions (or called computer programs, programs), and when they are invoked and executed on a computer, the The computer implements the second aspect or any possible design of the second aspect.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The drawings described here are used to provide a further understanding of the embodiments of the present disclosure, and constitute a part of the application. The schematic embodiments of the embodiments of the present disclosure and their descriptions are used to explain the embodiments of the present disclosure, and do not constitute a reference to the embodiments of the present disclosure. undue limitation. In the attached picture:

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

FIG. 1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure;

Fig. 2 is a flow chart showing a method for transmitting CSI-RS according to an exemplary embodiment;

Fig. 3 is a flow chart showing another method for transmitting CSI-RS according to an exemplary embodiment;

Fig. 4 is a flow chart showing another method for transmitting CSI-RS according to an exemplary embodiment;

Fig. 5 is a flow chart showing another method for transmitting CSI-RS according to an exemplary embodiment;

Fig. 6 is a structural diagram of a device for receiving CSI-RS according to an exemplary embodiment;

Fig. 7 is a structural diagram of another apparatus for receiving CSI-RS according to an exemplary embodiment;

Fig. 8 is a structural diagram of an apparatus for sending a CSI-RS according to an exemplary embodiment;

Fig. 9 is a structural diagram of another apparatus for sending a CSI-RS according to an exemplary embodiment.

Detailed ways

Embodiments of the present disclosure will now be further described in conjunction with the accompanying drawings and specific implementation methods.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the embodiments of the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

As shown in FIG. 1 , a method for transmitting a CSI-RS provided by an embodiment of the present disclosure may be applied to a wireless communication system 100 , which may include but not limited to a network device 101 and a user equipment 102 . The user equipment 102 is configured to support carrier aggregation, and the user equipment 102 can be connected to multiple carrier components of the network device 101 , including one primary carrier component and one or more secondary carrier components.

It should be understood that the above wireless communication system 100 may be applicable to both low-frequency scenarios and high-frequency scenarios. The application scenarios of the wireless communication system 100 include but are not limited to long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, global Interoperability microwave access (worldwide interoperability for micro wave access, WiMAX) communication system, cloud radio access network (cloud radio access network, CRAN) system, future fifth-generation (5th-Generation, 5G) system, new wireless (new radio, NR) communication system or future evolved public land mobile network (public land mobile network, PLMN) system, etc.

The user equipment 102 shown above may be user equipment (user equipment, UE), terminal (terminal), access terminal, terminal unit, terminal station, mobile station (mobile station, MS), remote station, remote terminal, mobile terminal ( mobile terminal), wireless communication equipment, terminal agent or user equipment, etc. The user equipment 102 may have a wireless transceiver function, which can communicate with one or more network devices 101 of one or more communication systems (such as wireless communication), and accept network services provided by the network device 101, where the network device 101 Including but not limited to the illustrated base stations.

Wherein, the user equipment 102 may be a cellular phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a personal digital assistant (PDA) device, a Handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, user equipment in future 5G networks or user equipment in future evolved PLMN networks, etc.

The network device 101 may be an access network device (or called an access network site). Wherein, the access network device refers to a device that provides a network access function, such as a radio access network (radio access network, RAN) base station and the like. Specifically, the network device may include a base station (base station, BS) device, or include a base station device and a radio resource management device for controlling the base station device, and the like. The network device may also include a relay station (relay device), an access point, and a base station in a future 5G network, a base station in a future evolved PLMN network or an NR base station, and the like. Network devices can be wearable or in-vehicle. The network device can also be a communication chip with a communication module.

For example, the network device 101 includes but is not limited to: a next-generation base station (gnodeB, gNB) in 5G, an evolved node B (evolved node B, eNB) in an LTE system, a radio network controller (radio network controller, RNC), Node B (node B, NB) in WCDMA system, wireless controller under CRAN system, base station controller (basestation controller, BSC), base transceiver station (base transceiver station, BTS) in GSM system or CDMA system, home Base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (baseband unit, BBU), transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP) or mobile switching center, etc.

In the wireless communication system 100, the problem of network energy saving of the network equipment 101 and the user equipment 102 is of great significance. In order to perform beam failure detection (beam failure detection) or beam management (beam management), the network device 101 configures the user equipment 102 with a common CSI-RS for beam failure detection and/or beam management in different states. For example: the RRC layer parameter failureDetectionResources contains the CSI-RS configuration ID used to detect beam failure. , the radio link control (Radio Resource Control, RRC layer) parameter candidateBeamRSList. For example: the RRC layer parameter candidateBeamRSList (can be candidateBeamRSListExt or candidateBeamRSSCellList configured for the Scell) includes one or more CSI-RS configuration IDs for beam restoration.

When the Scell is in the non-sleeping state, the sending period of the CSI-RS configured for the user equipment 102 by the network device 101 for beam failure detection or beam management is relatively short.

However, for the scenario where the Scell is in a dormant state, the network device 101 and the user equipment 102 do not perform data communication on the Scell, and if the CSI-RS is still sent in a short period, it will cause the network device 101 to send too much CSI-RS and The user equipment 102 performs too many CSI-RS related measurements, resulting in waste of energy consumption of the network device 101 and the user equipment 102 .

An embodiment of the present disclosure provides a method for transmitting a channel state information reference signal CSI-RS. FIG. 2 is a flowchart of a method for transmitting CSI-RS according to an exemplary embodiment. As shown in FIG. 2, the method includes:

Step S201, the network device 101 sends to the user equipment 102 a CSI-RS for use when the secondary cell is in a dormant state, wherein the CSI-RS for use when the secondary cell is in a dormant state is used for use in the secondary cell of the user equipment Perform beam failure detection related and/or beam management related measurements while in sleep state.

Step S202, the user equipment 102 receives the CSI-RS sent by the network equipment 101 for use when the secondary cell is in a dormant state.

In the embodiments of the present disclosure, a dedicated CSI-RS for use when the secondary cell is in a dormant state is used, so that the user equipment performs measurements that are only applicable to the above-mentioned dormant state according to the dedicated CSI-RS when the secondary cell is in a dormant state In addition, the network device can conveniently control the transmission period of the dedicated CSI-RS, and the transmission period of the dedicated CSI-RS is greater than the transmission period of the CSI-RS used by the user equipment when the secondary cell is in a non-dormant state When the user equipment performs beam failure detection-related and/or beam management-related measurement operations, energy consumption is saved.

An embodiment of the present disclosure provides a method for receiving a channel state information reference signal CSI-RS, and the method is executed by the user equipment 102 . Fig. 3 is a flowchart of a method for receiving a CSI-RS according to an exemplary embodiment. As shown in Fig. 2, the method includes:

Step S301, the user equipment 102 receives the CSI-RS sent by the network device 101 for use when the secondary cell is in a dormant state, wherein the CSI-RS is used to perform beam failure detection when the secondary cell of the user equipment is in a dormant state related and/or beam management related measurements.

In some possible implementation manners, the period of the CSI-RS used when the secondary cell is in the dormant state is greater than the period of the CSI-RS used when the secondary cell is not in the dormant state.

In an example, the period of the CSI-RS used when the secondary cell is in a dormant state is T1, the period of the CSI-RS used when the secondary cell is in a non-sleeping state is T2, and T1 is greater than T2.

In some possible implementation manners, the CSI-RS used when the secondary cell is in a dormant state is at least one of the following RRC layer parameters:

Beam failure detection resource for dormant state;

Candidate beams for dormant state refer to the secondary cell list.

In a possible manner, beam failure detection resources (failureDetectionResources-forDormant) for dormant state are set, which includes a CSI-RS configuration ID for beam failure detection. The user equipment 102 performs measurement related to beam failure detection according to the CSI-RS configured in the beam failure detection resource for the dormant state, and reports the measurement result.

In a possible manner, a candidate beam reference secondary cell list (candidateBeamRSScellList-forDormant) for the dormant state is set, which includes one or more CSI-RS configuration IDs for beam recovery. The user equipment 102 performs beam management-related measurement according to the list of candidate beams used in the dormant state with reference to the secondary cell, and reports the measurement result.

An embodiment of the present disclosure provides a method for receiving a channel state information reference signal CSI-RS, and the method is executed by the user equipment 102 . Fig. 4 is a flowchart of a method for receiving a CSI-RS according to an exemplary embodiment. As shown in Fig. 4, the method includes:

Step S401, the user equipment 102 receives the CSI-RS for use when the secondary cell is in a dormant state sent by the network device 101, wherein the CSI-RS for use when the secondary cell is in a dormant state is used for the secondary cell of the user equipment The cell performs measurements related to beam failure detection and/or beam management in a dormant state.

Step S402, when the SCell of the user equipment 102 is in the dormant state, perform measurements related to beam failure detection and/or beam management based on the CSI-RS used in the dormant state of the SCell.

In the embodiment of the present disclosure, when the secondary cell of the user equipment 102 is in the dormant state, the user equipment 102 performs measurement according to the received CSI-RS used when the secondary cell is in the dormant state. When the CSI-RS transmission cycle used in the dormant state of the secondary cell is long, the time interval for the user equipment 102 to perform measurements related to beam failure detection and/or beam management can be extended to reduce the number of measurements and save energy. consumption.

An embodiment of the present disclosure provides a method for receiving a channel state information reference signal CSI-RS, and the method is executed by the user equipment 102 . This method includes:

Step S31, the user equipment 102 receives the configuration information sent by the network device 101, wherein the configuration information is used to indicate the CSI-RS resources, power parameters and sequence generation parameters of the CSI-RS used when the secondary cell is in a dormant state at least one of the

In a possible implementation, the method further includes: when the secondary cell of the user equipment 102 is in the dormant state, performing beam failure detection correlation and/or beam failure based on the CSI-RS used when the secondary cell is in the dormant state Manage related measurements.

In a possible implementation manner, the configuration information includes a CSI-RS index (CSI-RS-Index) used to indicate a CSI-RS resource.

In a possible implementation manner, the CSI-RS resources may include parameters such as time domain resources, frequency domain resources, and periods.

In a possible implementation manner, the power parameter includes transmit power and/or receive power.

In the embodiment of the present disclosure, the user equipment 102 may receive configuration information specially configured by the network device 101 for the dormant state of the secondary cell of the user equipment, so as to obtain parameters such as CSI-RS resources, and the configuration information is applicable when the Scell is in the dormant state, The CSI-RS resource is used to perform measurement in this scenario.

Step S31, the user equipment 102 receives the configuration information sent by the network device 101, wherein the configuration information is at least used to indicate the CSI-RS resources, power parameters and sequence generation of the CSI-RS used when the secondary cell is in a dormant state at least one of the parameters.

Step S32, when the secondary cell of the user equipment 102 is in a dormant state, according to configuration information, perform measurements related to beam failure detection/or beam management based on the above CSI-RS.

In the embodiment of the present disclosure, the user equipment 102 can learn parameters such as CSI-RS resources used when the secondary cell is in the dormant state according to the configuration information sent by the network device 101 that is dedicated to the dormant state of the secondary cell of the user equipment, And use parameters such as this CSI-RS resource to perform related measurements.

An embodiment of the present disclosure provides a method for receiving a channel state information reference signal CSI-RS, and the method is executed by the user equipment 102 . This method includes step S301, or includes step S401 and step S402. After the user equipment performs the measurement, the method may also include:

The user equipment 102 reports a measurement result to the network device 101, wherein the measurement result is a result of performing measurements related to beam failure detection and/or beam management based on the CSI-RS used when the secondary cell is in a dormant state.

In some possible implementation manners, when the user equipment 102 performs the measurement, if the measurement result satisfies the set threshold, the beam failure detection counter is incremented by 1.

In an example, if the value of the beam failure detection counter reaches a set value, it is considered that the beam fails.

In the embodiment of the present disclosure, the user equipment 102 reports the measurement result to the network equipment 101 in time after performing measurement based on the CSI-RS used when the secondary cell is in a dormant state. When the sending period of the CSI-RS used in the dormant state of the secondary cell is longer, the number of measurements performed by the user equipment 102 will be reduced, and the number of times the corresponding measurement results will be reported will also be correspondingly reduced, further saving energy consumption of the user equipment 102 .

Step S301, the user equipment 102 receives the CSI-RS for use when the secondary cell is in a dormant state sent by the network device 101, wherein the CSI-RS for use when the secondary cell is in a dormant state is used for use in the secondary cell of the user equipment The cell performs measurements related to beam failure detection and/or beam management in a dormant state.

as well as

The user equipment 102 receives the report configuration information sent by the network device 101, wherein the report configuration information is used to indicate the reporting method of reporting the measurement results, and the measurement results are based on the CSI-RS execution and beam failure used when the secondary cell is in a dormant state Results of detection-related and/or beam-management-related measurements.

In the embodiment of the present disclosure, the user equipment 102 can learn the appropriate reporting manner according to the instruction of the network equipment 101, so that the measurement result can be reported in an appropriate reporting manner.

as well as,

Report the measurement results based on the reporting method.

In the embodiment of the present disclosure, the user equipment 102 can report the measurement result in an appropriate reporting manner, so as to improve communication efficiency with the network equipment 101 .

as well as,

The user equipment 102 receives the reporting configuration information sent by the network device 101, wherein the reporting configuration information is used to indicate the reporting method of reporting the measurement results, the reporting method is a periodic reporting method, and the periodic reporting method can be used when the secondary cell is in a dormant state The periodic CSI-RS.

In some possible implementation manners, the reporting period corresponding to the periodic reporting manner may be the period of the CSI-RS resource of the associated periodic CSI-RS.

In some possible implementation manners, the periodic reporting mode is automatically started when the secondary cell is in a dormant state. Afterwards, the user equipment may report the measurement result in a specific reporting manner according to the received configuration information.

as well as,

The user equipment 102 receives the reporting configuration information sent by the network device 101, wherein the reporting configuration information is used to indicate the reporting method of reporting the measurement results, the reporting method is a semi-persistent reporting method, and the semi-persistent reporting method can be associated with a semi-persistent CSI- RS resources or periodic CSI-RS resources.

In some possible implementations, the reporting period corresponding to this semi-persistent reporting method may be the associated semi-persistent CSI-RS resource used when the secondary cell is in a dormant state or the periodicity used when the secondary cell is in a dormant state CSI-RS.

In some possible implementation manners, the semi-persistent reporting manner is activated and deactivated by setting signaling, wherein the setting signaling may be DCI or MAC-CE.

In some possible implementation manners, the CSI-RS used when the secondary cell is in a dormant state is a periodic CSI-RS or a semi-persistent CSI-RS.

Afterwards, the user equipment may report the measurement result in a specific reporting manner according to the received configuration information.

An embodiment of the present disclosure provides a method for receiving a channel state information reference signal CSI-RS, and the method is executed by the user equipment 102. This method includes:

When the SCell of the user equipment 102 transitions from the dormant state to the non-dormant state or when the SCell of the user equipment 102 transitions from the non-dormant state to the dormant state, the beam failure detection counter is reset.

In some possible implementation manners, resetting the beam failure detection counter refers to clearing the value of the beam failure detection counter.

In some possible implementation manners, resetting the beam failure detection counter refers to setting the value of the beam failure detection counter to a non-zero initial value.

In the embodiment of the present disclosure, when the secondary cell of the user equipment 102 is switched between the dormant state and the non-sleep state, the beam failure detection counter can be reset to prevent the error accumulation of the beam failure detection counter, so that the user equipment can easily Falsely detected beam failure.

An embodiment of the present disclosure provides a method for receiving a channel state information reference signal CSI-RS, and the method is executed by the user equipment 102 . This method includes step S301, and this method also includes:

The beam failure detection counter is maintained when the SCell of the UE 102 transitions from the dormant state to the non-dormant state or when the SCell of the UE 102 transitions from the non-dormant state to the dormant state.

In the embodiment of the present disclosure, when the Scell of the user equipment 102 involves transition between the sleep state and the non-sleep state, the beam failure detection counter can still be maintained, and the beam failure detection counter is not reset. If the state switching meets certain conditions, it will not increase the false detection rate of the beam failure detected by the user equipment.

An embodiment of the present disclosure provides a method for sending a channel state information reference signal CSI-RS, which is executed by a network device 101. FIG. 5 is a flow chart of a method for sending a CSI-RS according to an exemplary embodiment. , as shown in Figure 5, this method includes:

S501. The network device 101 sends to the user equipment 102 a CSI-RS for use when the secondary cell is in a dormant state, where the CSI-RS is used to perform beam failure detection correlation and summing when the secondary cell of the user equipment is in a dormant state and/or beam management related measurements.

Beam failure detection resource for dormant state, candidate beam reference secondary cell list for dormant state.

In the embodiment of the present disclosure, by using the dedicated CSI-RS used in the dormant state of the secondary cell, the network device 101 can send the CSI-RS used in the dormant state of the secondary cell to the user equipment 102, so that the user equipment can When the cell is in the dormant state, the measurement only applicable to the above-mentioned dormant state is performed according to the dedicated CSI-RS. In addition, the network equipment can conveniently control the transmission cycle of the dedicated CSI-RS. When controlling the dedicated CSI-RS When the sending period is longer than the sending period of the CSI-RS used by the user equipment in the non-sleeping state, the user equipment is reduced to perform beam failure detection-related and/or beam management-related measurement operations to save energy consumption.

An embodiment of the present disclosure provides a method for sending a channel state information reference signal CSI-RS, the method is executed by a network device 101, and the method includes:

Step S500-1, the network device 101 sends configuration information to the user equipment 102, wherein the configuration information is at least used to indicate the CSI-RS resource, power parameter and sequence of the CSI-RS used when the secondary cell is in a dormant state At least one of the parameters is generated.

Step S501, the network device 101 sends to the user equipment 102 a CSI-RS for use when the secondary cell is in a dormant state, wherein the CSI-RS is used to perform beam failure detection related to the user equipment when the secondary cell is in a dormant state and/or beam management related measurements.

In the embodiment of the present disclosure, the network device 101 specially configures corresponding configuration information for the Scell in the dormant state, so as to indicate parameters such as CSI-RS resources used in the dormant state.

An embodiment of the present disclosure provides a method for sending a channel state information reference signal CSI-RS, the method is executed by the network device 101, and the method includes:

Step S502, the network device 101 receives a measurement result from the user equipment 102, wherein the measurement result is the result of performing a measurement related to beam failure detection and/or beam management based on the CSI-RS used when the secondary cell is in a dormant state .

Step S500-2, the network device 101 sends the reporting configuration information to the user equipment, wherein the reporting configuration information is used to indicate the reporting method of reporting the measurement result, the measurement result is based on the CSI-RS execution and beam failure detection correlation and/or or the results of beam management related measurements.

Step S501, the network device 101 sends to the user equipment 102 a CSI-RS for use when the secondary cell is in a dormant state, wherein the CSI-RS for use when the secondary cell is in a dormant state is used for use in the secondary cell of the user equipment Perform beam failure detection related and/or beam management related measurements while in sleep state.

In the embodiment of the present disclosure, the network device 101 instructs the user equipment 102 to report the measurement result in an appropriate reporting manner by sending the reporting configuration information.

In step S500-2, the network device 101 sends reporting configuration information to the user equipment 102, wherein the reporting configuration information is used to indicate a reporting manner of reporting measurement results.

Step S503, based on the reporting method, receive the measurement result from the user equipment 102, the measurement result is based on the CSI-RS used when the secondary cell is in a dormant state to perform measurements related to beam failure detection and/or beam management.

In step S500-2, the network device 101 sends reporting configuration information to the user equipment, wherein the reporting configuration information is used to indicate a reporting manner of reporting measurement results. The reporting method is a periodic reporting method, wherein the periodic reporting method is associated with the periodic CSI-RS used when the secondary cell is in a dormant state.

In some possible implementation manners, the reporting period corresponding to the periodic reporting manner is a period of a CSI-RS resource of an associated periodic CSI-RS.

In step S500-2, the network device 101 sends reporting configuration information to the user equipment, wherein the reporting configuration information is used to indicate a reporting manner of reporting measurement results. The reporting method is a semi-persistent reporting method, wherein the semi-persistent reporting method is associated with a semi-persistent CSI-RS used when the secondary cell is in a dormant state or a periodic CSI-RS used when the secondary cell is in a dormant state.

In some possible implementation manners, the reporting period corresponding to the semi-persistent reporting manner is the period of the CSI-RS resource of the associated CSI-RS.

In the embodiment of the present disclosure, the network device 101 receives the measurement result sent by the user equipment 102 in an appropriate reporting manner.

Step S500-1, the network device 101 sends configuration information to the user equipment 102, wherein the configuration information is at least used to indicate the CSI-RS resources, power parameters and sequence generation parameters of the CSI-RS used when the secondary cell is in a dormant state at least one of the

Step S503, based on the reporting method, receive the measurement result from the user equipment 102, the measurement result is the result of performing the measurement related to beam failure detection and/or beam management based on the CSI-RS used in the dormant state of the secondary cell.

Based on the same idea as the above method embodiment, the embodiment of the present disclosure also provides a communication device, which can have the function of the user equipment 102 in the above method embodiment, and is used to execute the user equipment 102 provided by the above embodiment. steps to execute. This function can be implemented by hardware, and can also be implemented by software or hardware executes corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

In a possible implementation manner, the communication apparatus 600 shown in FIG. 6 may serve as the user equipment 102 involved in the above method embodiments, and execute the steps performed by the user equipment 102 in the above method embodiments. As shown in FIG. 6 , the communication device 600 may include a transceiver module 601 . The transceiver module 601 can be used to support the communication device 600 to communicate, and the transceiver module 601 can have a wireless communication function, for example, it can perform wireless communication with other communication devices through a wireless air interface.

When performing the steps implemented by the user equipment 102, the transceiver module 601 is configured to receive the CSI-RS sent by the network device 101 for use when the secondary cell is in a dormant state, wherein the CSI-RS for use when the secondary cell is in a dormant state The CSI-RS is used to perform measurements related to beam failure detection and/or beam management when the secondary cell of the user equipment 101 is in a dormant state.

When the communication device is the user equipment 102, its structure may also be as shown in FIG. 7 . The device 700 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

7, device 700 may include one or more of the following components: processing component 702, memory 704, power supply component 706, multimedia component 708, audio component 710, input/output (I/O) interface 712, sensor component 714, and communication component 716 .

The processing component 702 generally controls the overall operations of the device 700, such as those associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 702 may include one or more processors 620 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 702 may include one or more modules that facilitate interaction between processing component 702 and other components. For example, processing component 702 may include a multimedia module to facilitate interaction between multimedia component 708 and processing component 702 .

Memory 704 is configured to store various types of data to support operations at device 700 . Examples of such data include instructions for any application or method operating on device 700, contact data, phonebook data, messages, pictures, videos, and the like. The memory 704 can be realized by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.

The power supply component 706 provides power to various components of the device 700 . Power components 706 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for device 700 .

The multimedia component 708 includes a screen that provides an output interface between the device 700 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action. In some embodiments, the multimedia component 708 includes a front camera and/or a rear camera. When the device 700 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capability.

The audio component 710 is configured to output and/or input audio signals. For example, the audio component 710 includes a microphone (MIC), which is configured to receive external audio signals when the device 700 is in operation modes, such as call mode, recording mode and voice recognition mode. Received audio signals may be further stored in memory 704 or sent via communication component 716. In some embodiments, the audio component 710 also includes a speaker for outputting audio signals.

The I/O interface 712 provides an interface between the processing component 702 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: a home button, volume buttons, start button, and lock button.

Sensor assembly 714 includes one or more sensors for providing various aspects of status assessment for device 700 . For example, the sensor component 714 can detect the open/closed state of the device 700, the relative positioning of components, such as the display and keypad of the device 700, and the sensor component 714 can also detect a change in the position of the device 700 or a component of the device 700 , the presence or absence of user contact with the device 700 , the device 700 orientation or acceleration/deceleration and the temperature change of the device 700 . Sensor assembly 714 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. Sensor assembly 714 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor component 714 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.

The communication component 716 is configured to facilitate wired or wireless communication between the apparatus 700 and other devices. The device 700 can access wireless networks based on communication standards, such as WiFi, 4G or 5G, or a combination thereof. In an exemplary embodiment, the communication component 716 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 716 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, apparatus 700 may be programmed by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation for performing the methods described above.

Based on the same idea as the above method embodiment, the embodiment of the present disclosure also provides a communication device, which can have the function of the network device 101 in the above method embodiment, and is used to execute the network device 101 provided by the above embodiment steps to execute. This function can be implemented by hardware, and can also be implemented by software or hardware executes corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

In a possible implementation manner, the communication device 800 shown in FIG. 8 may serve as the network device 101 involved in the above method embodiment, and execute the steps performed by the network device 101 in the above method embodiment. As shown in FIG. 8 , the communication device 800 may include a transceiver module 801 . The transceiver module 801 can be used to support the communication device 800 to communicate, and the transceiver module 801 can have a wireless communication function, for example, it can perform wireless communication with other communication devices through a wireless air interface.

When performing the steps implemented by the network device 101, the transceiver module 801 is configured to send the CSI-RS for use when the secondary cell is in a dormant state to the user equipment 102, wherein the CSI for use when the secondary cell is in a dormant state - The RS is used to perform measurements related to beam failure detection and/or beam management when the secondary cell of the UE 102 is in a dormant state.

When the communication device is a network device, its structure may also be as shown in FIG. 9 . The structure of the communication device is described by taking the network device 101 as a base station as an example. As shown in FIG. 9 , the device 900 includes a memory 901 , a processor 902 , a transceiver component 903 , and a power supply component 906 . Wherein, the memory 901 is coupled with the processor 902 and can be used to save the programs and data necessary for the communication device 900 to realize various functions. The processor 902 is configured to support the communication device 900 to execute corresponding functions in the above method, and this function can be realized by calling a program stored in the memory 901 . The transceiver component 903 may be a wireless transceiver, and may be used to support the communication device 900 to receive signaling and/or data and send signaling and/or data through a wireless air interface. The transceiver component 903 may also be called a transceiver unit or a communication unit, and the transceiver component 903 may include a radio frequency component 904 and one or more antennas 905, wherein the radio frequency component 904 may be a remote radio unit (remote radio unit, RRU), specifically It can be used for the transmission of radio frequency signals and the conversion of radio frequency signals and baseband signals, and the one or more antennas 905 can be specifically used for radiating and receiving radio frequency signals.

When the communication device 900 needs to send data, the processor 902 can perform baseband processing on the data to be sent, and then output the baseband signal to the radio frequency unit. When data is sent to the communication device 900, the radio frequency unit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 902, and the processor 902 converts the baseband signal into data and converts the data to process.

Other implementations of the disclosed embodiments will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the embodiments of the present disclosure. These modifications, uses or adaptations follow the general principles of the embodiments of the present disclosure and include common knowledge in the technical field not disclosed in the present disclosure or customary technical means. It is intended that the specification and examples be considered exemplary only, with a true scope and spirit of the disclosed embodiments being indicated by the following claims.

It should be understood that the embodiments of the present disclosure are not limited to the precise structures that have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the disclosed embodiments is limited only by the appended claims.

Industrial Applicability

Use a dedicated CSI-RS for use when the secondary cell is in a dormant state, and enable the user equipment to perform measurements that are only applicable to the above dormant state according to the dedicated CSI-RS when the secondary cell is in a dormant state. In addition, make the network device The transmission period of the dedicated CSI-RS can be conveniently controlled, and when the transmission period of the dedicated CSI-RS is controlled to be greater than the transmission period of the CSI-RS used by the user equipment in the non-dormant state of the secondary cell, the user equipment can be reduced. Perform beam failure detection related and/or beam management related measurement operations to save energy consumption.

Claims

A method of receiving a channel state information reference signal CSI-RS, the method is performed by a user equipment, including:

receiving the CSI-RS sent by the network device for use when the secondary cell is in a dormant state, where the CSI-RS is used to perform beam failure detection correlation and/or when the secondary cell of the user equipment is in a dormant state Beam management related measurements.
The method of claim 1, wherein the method further comprises:

receiving configuration information sent by the network device, wherein the configuration information is used to indicate at least one of CSI-RS resources, power parameters and sequence generation parameters of the CSI-RS used when the secondary cell is in a dormant state .
The method of claim 1, wherein the method further comprises:

Reporting a measurement result to the network device, wherein the measurement result is a result of performing a measurement related to beam failure monitoring and/or beam management based on the CSI-RS.
The method of claim 1, wherein the method further comprises:

receiving the reporting configuration information sent by the network device, where the reporting configuration information is used to indicate the reporting manner of reporting measurement results, and the measurement results are based on the CSI-RS execution related to beam failure detection and/or beam management related The result of the measurement.
The method of claim 4, wherein,

The reporting manner is a periodic reporting manner, wherein the periodic reporting manner is associated with a periodic CSI-RS used when the secondary cell is in a dormant state.
The method of claim 4, wherein,

The reporting method is a semi-persistent reporting method, wherein the semi-persistent reporting method is associated with the semi-persistent CSI-RS used when the secondary cell is in a dormant state or the semi-persistent CSI-RS used when the secondary cell is in a dormant state Periodic CSI-RS.
The method according to any one of claims 1 to 6, wherein,

The CSI-RS is a periodic CSI-RS or a semi-persistent CSI-RS.
The method according to any one of claims 1 to 6, wherein,

The CSI-RS is at least one of the following RRC layer parameters:

Beam failure detection resource for dormant state;

Candidate beams for dormant state refer to the secondary cell list.
The method of claim 1, wherein the method further comprises:

When the secondary cell of the user equipment transitions from the dormant state to the non-sleep state or when the secondary cell of the user equipment transitions from the non-sleep state to the dormant state, the beam failure detection counter is reset.
The method of claim 1, wherein the method further comprises:

The beam failure detection counter is maintained when the secondary cell of the user equipment transitions from the dormant state to the non-sleep state or when the secondary cell of the user equipment transitions from the non-sleep state to the dormant state.
A method for sending a channel state information reference signal CSI-RS, the method is performed by a network device, comprising:

sending to the user equipment a CSI-RS for use when the secondary cell is in a dormant state, where the CSI-RS is used to perform beam failure detection correlation and/or beam failure detection when the secondary cell of the user equipment is in a dormant state Manage related measurements.
The method of claim 11, wherein the method further comprises:

Sending configuration information to the user equipment, where the configuration information is used to indicate at least one of CSI-RS resources, power parameters and sequence generation parameters of the CSI-RS used when the secondary cell is in a dormant state.
The method of claim 11, wherein the method further comprises:

A measurement result is received from the user equipment, wherein the measurement result is a result of performing a beam failure detection related and/or beam management related measurement based on the CSI-RS.
The method of claim 11, wherein the method further comprises:

sending reporting configuration information to the user equipment, where the reporting configuration information is used to indicate the reporting manner of reporting measurement results, where the measurement results are results of measurements related to beam failure detection and/or beam management based on the CSI-RS .
The method of claim 14, wherein the method further comprises:

Based on the reporting manner, a measurement result is received from the user equipment, the measurement result being a result of performing a measurement related to beam failure detection and/or beam management based on the CSI-RS.
The method of claim 15, wherein,

The reporting manner is a periodic reporting manner, wherein the periodic reporting manner is associated with a periodic CSI-RS used when the secondary cell is in a dormant state.
The method of claim 15, wherein,

The reporting method is a semi-persistent reporting method, wherein the semi-persistent reporting method is associated with the semi-persistent CSI-RS used when the secondary cell is in a dormant state or the semi-persistent CSI-RS used when the secondary cell is in a dormant state Periodic CSI-RS.
A method as claimed in any one of claims 11 to 17, wherein,

The CSI-RS is a periodic CSI-RS or a semi-persistent CSI-RS.
A method as claimed in any one of claims 11 to 17, wherein,

The CSI-RS is at least one of the following RRC layer parameters:

Beam failure detection resource for dormant state;

Candidate beams for dormant state refer to the secondary cell list.
A communication device comprising:

A transceiver module, configured to receive a CSI-RS sent by a network device for use when the secondary cell is in a dormant state, wherein the CSI-RS is used to perform beam failure when the secondary cell of the user equipment is in a dormant state Detection related and/or beam management related measurements.
A communication device comprising:

A transceiver module, configured to send a CSI-RS used when the secondary cell is in a dormant state to the user equipment, wherein the CSI-RS is used to perform beam failure detection when the secondary cell of the user equipment is in a dormant state related and/or beam management related measurements.
A communication device, including a processor and a memory;

The memory is used to store computer programs;

The processor is configured to execute the computer program, so as to realize the method according to any one of claims 1-10.
A communication device, including a processor and a memory;

The memory is used to store computer programs;

The processor is configured to execute the computer program to implement the method according to any one of claims 11-19.
A computer-readable storage medium, wherein instructions are stored in the computer-readable storage medium, and when the instructions are invoked and executed on a computer, the computer is made to execute the method described in any one of claims 1-10 method.
A computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are invoked and executed on a computer, the computer executes the method described in any one of claims 11-19 method.