CN116420373A

CN116420373A - Method, device and medium for transmitting channel state information reference signal (CSI-RS)

Info

Publication number: CN116420373A
Application number: CN202180003775.2A
Authority: CN
Inventors: 付婷
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2023-07-11
Also published as: WO2023082064A1

Abstract

The disclosure provides a method, a device and a readable storage medium for transmitting a channel state information reference signal (CSI-RS), wherein the method comprises the following steps: and receiving the CSI-RS transmitted by the network equipment and used for being used in the dormant state of the secondary cell, wherein the CSI-RS is used for executing measurement related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment. In the disclosure, a dedicated CSI-RS for use in a dormant state of a secondary cell is used, so that a user equipment performs measurement only applicable to the dormant state according to the dedicated CSI-RS in the dormant state of the secondary cell.

Description

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

Technical Field

The present disclosure relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, and a readable storage medium for transmitting a channel state information reference signal (CSI-RS).

Background

In a wireless communication protocol, for example, in the R16 protocol, when a Secondary Cell (Scell) of a User Equipment (UE) is in a dormant (dormant) state, the UE does not monitor a Physical Downlink Control Channel (PDCCH) or a downlink shared channel (DL-SCH) transmitted on the Scell, and does not transmit an uplink shared channel (UL-SCH) or a Random Access Channel (RACH) or an uplink Sounding Reference Signal (SRS).

When the Scell is in the 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 measurement and reporting according to the CSI-RS. And under the condition that the Scell is in a dormant state, the base station and the user equipment have the problem of energy consumption waste.

Disclosure of Invention

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

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

And receiving the CSI-RS transmitted by the network equipment and used for being used in the dormant state of the secondary cell, wherein the CSI-RS is used for performing measurement related to beam failure detection (beam failure detection) and/or beam management (beam management) in the dormant state of the secondary cell of the user equipment.

By adopting the method, the special CSI-RS used for being used in the dormant state of the auxiliary cell is used, so that the user equipment can execute measurement only applicable to the dormant state according to the special CSI-RS in the dormant state of the auxiliary cell, in addition, the network equipment can conveniently control the transmission period of the special CSI-RS, and when the transmission period of the special CSI-RS is controlled to be larger than the transmission period of the CSI-RS used by the user equipment in the non-dormant state of the auxiliary cell, the related measurement operation of executing beam failure detection and/or beam management of the user equipment is reduced, and the energy consumption is saved.

In one possible embodiment, the method further comprises: and receiving configuration information sent by the network equipment, wherein the configuration information is at least used for indicating at least one of a CSI-RS resource, a power parameter and a sequence generation parameter of the CSI-RS used in a dormant state of the secondary cell.

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

In one possible embodiment, the method further comprises: and receiving reporting configuration information sent by the network equipment, wherein the reporting configuration information is used for indicating a reporting mode of reporting a measurement result, and the measurement result is a result of performing measurement related to beam failure detection and/or beam management based on the CSI-RS.

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

In a possible implementation manner, the reporting manner is a semi-persistent reporting manner, where the semi-persistent reporting manner is related to the semi-persistent CSI-RS used in the dormant state of the secondary cell or the periodic CSI-RS used in the dormant state of the secondary cell.

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

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

beam failure detection resources for sleep state; the candidate beams for the dormant state refer to the secondary cell list.

In one possible embodiment, the method further comprises: the beam failure detection counter is reset when the secondary cell of the user equipment transitions from a dormant state to a non-dormant state or when the secondary cell of the user equipment transitions from a non-dormant state to a dormant state.

In one possible embodiment, the method further comprises:

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

According to a second aspect of embodiments of the present disclosure, there is provided a method of transmitting a channel state information reference signal, CSI-RS, the method being performed by a network device, comprising:

and transmitting a CSI-RS (channel state information-reference signal) for use in a dormant state of a secondary cell to user equipment, wherein the CSI-RS is used for performing measurement related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment.

By adopting the method, the special CSI-RS used for being used in the dormant state of the secondary cell is used, so that the user equipment can execute measurement only applicable to the dormant state according to the special CSI-RS in the dormant state of the secondary cell, in addition, the network equipment can conveniently control the transmission period of the special CSI-RS, and when the transmission period of the special CSI-RS is controlled to be larger than the transmission period of the CSI-RS used by the user equipment in the non-dormant state of the secondary cell, the related measurement operation of the user equipment for executing beam failure detection and/or beam management is reduced, and the energy consumption is saved.

In one possible embodiment, the method further comprises:

and sending configuration information to the user equipment, wherein the configuration information is at least used for indicating at least one of a CSI-RS resource, a power parameter and a sequence generation parameter of the CSI-RS used in a dormant state of a secondary cell.

In one possible embodiment, the method further comprises:

the measurement results are received from the user equipment, wherein the measurement results are the results of performing beam failure detection-related and/or beam management-related measurements based on the CSI-RS.

In one possible embodiment, the method further comprises:

and sending reporting configuration information to the user equipment, wherein the reporting configuration information is used for indicating a reporting mode of reporting a measurement result, and the measurement result is a result of performing measurement related to beam failure detection and/or beam management based on the CSI-RS.

In one possible embodiment, the method further comprises:

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

In a possible implementation manner, the reporting manner is a semi-persistent reporting manner, where the semi-persistent reporting manner relates to the semi-persistent CSI-RS resource used in the dormant state of the secondary cell or the periodic CSI-RS used in the dormant state of the secondary cell.

According to a third aspect of embodiments of the present disclosure, a communication apparatus is provided. The communication apparatus may be adapted to perform the steps performed by the user equipment in the first aspect or any of the possible designs of the first aspect. The user equipment may implement the functions in the methods described above in the form of hardware structures, software modules, or both.

When the communication device of the third aspect is implemented by a software module, the communication device may comprise a transceiver module, wherein the transceiver module may be used to support the communication device to communicate.

And when the steps of the first aspect are executed, the transceiver module is used for receiving the CSI-RS sent by the network equipment and used for being used in the dormant state of the secondary cell, wherein the CSI-RS is used for executing measurement related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment.

According to a fourth aspect of embodiments of the present disclosure, a communication apparatus is provided. The communication means may be arranged to perform the steps performed by the network device in the second aspect or any of the possible designs of the second aspect described above. The network device may implement the functions of the methods described above in the form of hardware structures, software modules, or both.

When the communication device according to the fourth aspect is implemented by a software module, the communication device may comprise a transceiver module, wherein the transceiver module may be used to support the communication device to communicate.

In performing the steps of the second aspect, the transceiver module is configured to send CSI-RS to the user equipment for use in a dormant state of the secondary cell, where the CSI-RS is configured to perform measurements related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment.

According to a fifth aspect of embodiments of the present disclosure, there is provided a communication device comprising a processor and a memory; the memory is used for storing a computer program; the processor is configured to execute the computer program to implement the first aspect or any one of the possible designs of the first aspect.

According to a sixth aspect of embodiments of the present disclosure, there is provided a communication device comprising a processor and a memory; the memory is used for storing a computer program; the processor is configured to execute the computer program to implement the second aspect or any one of the possible designs of the second aspect.

According to a seventh aspect of embodiments of the present disclosure, there is provided a computer readable storage medium having stored therein instructions (or computer programs, programs) which when invoked for execution on a computer, cause the computer to perform any one of the possible designs of the first aspect or the first aspect.

According to an eighth aspect of embodiments of the present disclosure, there is provided a computer readable storage medium having stored therein instructions (or computer programs, programs) which when invoked for execution on a computer, cause the computer to perform any one of the possible designs of the second aspect or the second aspect described above.

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 disclosure.

Drawings

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

the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with 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 according to an embodiment of the present disclosure;

fig. 2 is a flowchart illustrating a method of transmitting CSI-RS according to an example embodiment;

Fig. 3 is a flowchart illustrating another method of transmitting CSI-RS according to an example embodiment;

fig. 4 is a flowchart illustrating another method of transmitting CSI-RS according to an example embodiment;

fig. 5 is a flowchart illustrating another method of transmitting CSI-RS according to an example embodiment;

fig. 6 is a block diagram illustrating an apparatus for receiving CSI-RS according to an exemplary embodiment;

fig. 7 is a block diagram illustrating another apparatus for receiving CSI-RS according to an exemplary embodiment;

fig. 8 is a block diagram illustrating an apparatus for transmitting CSI-RS according to an exemplary embodiment;

fig. 9 is a block diagram illustrating another apparatus for transmitting CSI-RS according to an exemplary embodiment.

Detailed Description

Embodiments of the present disclosure will now be further described with reference to the drawings and detailed description.

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers 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 apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.

As shown in fig. 1, a method of transmitting CSI-RS provided by embodiments of the present disclosure may be applied to a wireless communication system 100, which may include, but is not limited to, a network device 101 and a user device 102. User equipment 102 is configured to support carrier aggregation, and user equipment 102 may be connected to multiple carrier elements of network equipment 101, including one primary carrier element and one or more secondary carrier elements.

It should be appreciated that the above wireless communication system 100 is applicable to both low frequency and high frequency scenarios. Application scenarios of the wireless communication system 100 include, but are not limited to, 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, worldwide interoperability for microwave access (worldwide interoperability for micro wave access, wiMAX) communication systems, cloud radio access network (cloud radio access network, CRAN) systems, future fifth Generation (5 th-Generation, 5G) systems, new Radio (NR) communication systems, or future evolved public land mobile network (public land mobile network, PLMN) systems, and the like.

The user equipment 102 shown above may be a User Equipment (UE), a terminal, an access terminal, a terminal unit, a terminal station, a Mobile Station (MS), a remote station, a remote terminal, a mobile terminal (mobile terminal), a wireless communication device, a terminal proxy, a user equipment, or the like. The user device 102 may be provided with wireless transceiver functionality capable of communicating (e.g., wirelessly communicating) with one or more network devices 101 of one or more communication systems and receiving network services provided by the network devices 101, where the network devices 101 include, but are not limited to, the illustrated base stations.

The user device 102 may be, among other things, 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) personal digital assistant, a PDA) device, 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 user device in a future 5G network or a user device in a future evolved PLMN network, etc.

The network device 101 may be an access network device (or access network site). 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, etc. The network device may specifically include a Base Station (BS) device, or include a base station device, 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, a base station in a future 5G network, a base station in a future evolved PLMN network, or an NR base station, etc. The network device may be a wearable device or an in-vehicle device. The network device may also be a communication chip with a communication module.

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

In the wireless communication system 100, the network power saving problem of the network device 101 and the user device 102 is significant. For beam-failure detection (beam failure detection) or beam management (beam management), network device 101 configures user equipment 102 with CSI-RS for beam-failure detection correlation and/or beam management that are common in different states. For example: the RRC layer parameter failuredetection resources contains CSI-RS configuration IDs for detecting beam failure. A radio link control (Radio Resource Control, RRC layer) parameter candidateBeamRSList. For example: the RRC layer parameter candidatebeam rslist (which may be candidatebeam rslistsext or candidatebeam rsscelllist configured for Scell) contains one or more CSI-RS configuration IDs for beam recovery.

When the Scell is in a non-dormant state, the network device 101 configures a transmission period of CSI-RS for beam failure detection (beam failure detection) or beam management (beam management) for the user device 102 to be short.

However, for the scenario where the Scell is in the dormant state, the network device 101 and the user device 102 do not perform data communication on the Scell, if the CSI-RS are still sent in a shorter period, excessive sending of CSI-RS by the network device 101 and excessive performing of CSI-RS related measurements by the user device 102 will result in waste of energy consumption of the network device 101 and the user device 102.

The embodiment of the disclosure provides a method for transmitting a channel state information reference signal (CSI-RS). Fig. 2 is a flowchart illustrating a method of transmitting CSI-RS, as shown in fig. 2, according to an exemplary embodiment, the method comprising:

step S201, the network device 101 sends CSI-RS for use in the secondary cell in a dormant state to the user device 102, where the CSI-RS for use in the secondary cell in the dormant state is used to perform measurements related to beam failure detection and/or beam management in the secondary cell of the user device in the dormant state.

Step S202, the user equipment 102 receives CSI-RS sent by the network equipment 101 and used in the dormant state of the secondary cell.

In the embodiment of the disclosure, a dedicated CSI-RS for use in a dormant state of a secondary cell is used, so that a user equipment performs measurement only applicable to the dormant state according to the dedicated CSI-RS in the dormant state of the secondary cell.

Embodiments of the present disclosure provide a method of receiving a channel state information reference signal, CSI-RS, performed by a user equipment 102. Fig. 3 is a flowchart illustrating a method of receiving CSI-RS, as shown in fig. 2, according to an exemplary embodiment, the method comprising:

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

In some possible embodiments, the period of CSI-RS for use in the secondary cell in the dormant state is greater than the period of CSI-RS for use in the secondary cell in the non-dormant state.

In one example, the period of the CSI-RS for use in the secondary cell in the dormant state is T1, the period of the CSI-RS for use in the secondary cell in the non-dormant state is T2, and T1 is greater than T2.

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

beam failure detection resources for sleep state;

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

In one possible manner, beam failure detection resources (failuredetection resources-for-normal) for the dormant state are set, including CSI-RS configuration IDs 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 sleep state, and reports the measurement result.

In one possible manner, a candidate beam reference secondary cell list (candidateBeamRSScellList-fordorant) for the dormant state is set, including one or more CSI-RS configuration IDs for beam recovery. The user equipment 102 performs beam management related measurements according to the candidate beam reference secondary cell list for the sleep state and reports the measurement results.

Embodiments of the present disclosure provide a method of receiving a channel state information reference signal, CSI-RS, performed by a user equipment 102. Fig. 4 is a flowchart illustrating a method of receiving CSI-RS, as shown in fig. 4, according to an exemplary embodiment, the method comprising:

step S401, the user equipment 102 receives CSI-RS sent by the network equipment 101 and used in a dormant state of the secondary cell, where the CSI-RS used in the dormant state of the secondary cell is used to perform measurements related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment.

Step S402, when the secondary cell of the user equipment 102 is in the dormant state, measurement related to beam failure detection and/or beam management is performed based on the CSI-RS for use in the secondary cell in the dormant state.

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 for use in the secondary cell in the dormant state. When the CSI-RS transmission period for use in the secondary cell in the dormant state is long, the time interval for the user equipment 102 to perform the measurement related to the beam failure detection and/or the beam management can be prolonged, the number of measurements can be reduced, and the energy consumption can be saved.

Embodiments of the present disclosure provide a method of receiving a channel state information reference signal, CSI-RS, performed by a user equipment 102. The method comprises the following steps:

in step S31, the user equipment 102 receives configuration information sent by the network equipment 101, 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 in the secondary cell in the dormant state.

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

In one possible embodiment, the method further comprises: measurements related to beam failure detection and/or beam management are performed while the secondary cell of the user equipment 102 is in a dormant state based on CSI-RSs for use while the secondary cell is in a dormant state.

In a possible embodiment, the configuration information includes a CSI-RS Index (CSI-RS-Index) for indicating the CSI-RS resource.

In a possible implementation, the CSI-RS resources may include parameters of time domain resources, frequency domain resources, periodicity, and the like.

In a possible embodiment, the power parameter comprises a transmit power and/or a receive power.

In the embodiment of the present disclosure, the ue 102 may receive configuration information specifically configured by the network device 101 for the sleep state of the secondary cell of the ue, so as to obtain parameters such as CSI-RS resources, where the configuration information may be applicable to Scell in the sleep state, and the CSI-RS resources are used to perform measurements in this scenario.

in step S31, the ue 102 receives configuration information sent by the network device 101, 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 in the secondary cell in the dormant state.

Step S32, when the secondary cell of the ue 102 is in the dormant state, according to the configuration information, measurements related to beam failure detection and/or beam management are performed based on the CSI-RS.

In the embodiment of the present disclosure, the ue 102 may learn parameters such as CSI-RS resources used in the secondary cell in the dormant state according to the configuration information sent by the network device 101 and dedicated to the dormant state for the secondary cell of the ue, and perform related measurement using the parameters such as CSI-RS resources.

Embodiments of the present disclosure provide a method of receiving a channel state information reference signal, CSI-RS, performed by a user equipment 102. The method includes step S301, or includes step S401 and step S402, and after the user equipment performs the measurement, the method may further include:

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

In some possible embodiments, when the ue 102 performs the measurement, if the measurement result meets the set threshold, the beam failure detection counter is incremented by 1.

In one example, if the value of the beam failure detection counter reaches a set value, the beam is considered to be failed.

In the embodiment of the present disclosure, after the user equipment 102 performs measurement based on the CSI-RS used when the secondary cell is in the dormant state, the measurement result is reported to the network equipment 101 in time. When the transmission period of the CSI-RS used in the secondary cell in the dormant state is longer, the number of measurements performed by the user equipment 102 will be reduced, and the number of corresponding reporting measurements will be reduced, so that the energy consumption of the user equipment 102 is further saved.

step S301, the user equipment 102 receives CSI-RS sent by the network equipment 101 and used in the dormant state of the secondary cell, where the CSI-RS used in the dormant state of the secondary cell is used to perform measurements related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment.

and

The ue 102 receives reporting configuration information sent by the network device 101, where the reporting configuration information is used to indicate a reporting manner of reporting a measurement result, and the measurement result is a result of performing measurement related to beam failure detection and/or beam management based on CSI-RS used in a secondary cell in a dormant state.

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

The method comprises the steps of,

And reporting the measurement result based on the reporting mode.

In the embodiment of the present disclosure, the user equipment 102 can report the measurement result by adopting a suitable reporting manner, so as to improve the communication efficiency with the network equipment 101.

The method comprises the steps of,

the ue 102 receives reporting configuration information sent by the network device 101, where the reporting configuration information is used to indicate a reporting mode of reporting a measurement result, where the reporting mode is a periodic reporting mode, and the periodic reporting mode may be associated with a periodic CSI-RS used in a secondary cell in a dormant state.

In some possible embodiments, the reporting period corresponding to the periodic reporting manner may be a period of CSI-RS resources of the associated periodic CSI-RS.

In some possible embodiments, the periodic reporting mode is automatically started when the secondary cell is in the dormant state. And then, the user equipment can report the measurement result in a specific reporting mode according to the received configuration information.

The method comprises the steps of,

the ue 102 receives reporting configuration information sent by the network device 101, where the reporting configuration information is used to indicate a reporting mode of reporting a measurement result, where the reporting mode is a semi-persistent reporting mode, and the semi-persistent reporting mode may be associated with a semi-persistent CSI-RS resource or a periodic CSI-RS resource.

In some possible embodiments, the reporting period corresponding to the semi-persistent reporting manner may be the associated semi-persistent CSI-RS resource used in the dormant state of the secondary cell or the associated periodic CSI-RS used in the dormant state of the secondary cell.

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

In some possible embodiments, the CSI-RS for use in the secondary cell in the dormant state is a periodic CSI-RS or a semi-persistent CSI-RS.

And then, the user equipment can report the measurement result in a specific reporting mode according to the received configuration information.

The beam failure detection counter is reset when the secondary cell of the user equipment 102 transitions from the dormant state to the non-dormant state or when the secondary cell of the user equipment 102 transitions from the non-dormant state to the dormant state.

In some possible embodiments, resetting the beam failure detection counter refers to resetting the value of the beam failure detection counter.

In some possible embodiments, 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 ue 102 transitions between the dormant state and the non-dormant state, the beam failure detection counter may be reset to prevent the error accumulation of the beam failure detection counter, so that the ue is easy to detect the beam failure by mistake.

Embodiments of the present disclosure provide a method of receiving a channel state information reference signal, CSI-RS, performed by a user equipment 102. The method includes step S301, the method further includes:

The beam failure detection counter is maintained when the secondary cell of the user equipment 102 transitions from a dormant state to a non-dormant state or when the secondary cell of the user equipment 102 transitions from a non-dormant state to a dormant state.

In the embodiment of the present disclosure, when the Scell of the ue 102 is involved in the transition between the dormant state and the non-dormant state, the beam failure detection counter may still be maintained, and not reset, so that the false detection rate of the beam failure detected by the ue is not improved when the state switch of the ue 102 meets a certain condition.

The disclosed embodiments provide a method of transmitting a channel state information reference signal CSI-RS, which is performed by a network device 101, fig. 5 is a flowchart illustrating a method of transmitting a CSI-RS according to an exemplary embodiment, as shown in fig. 5, the method comprising:

s501, the network device 101 sends, to the user device 102, a CSI-RS for use in a secondary cell in a dormant state, where the CSI-RS is used to perform measurements related to beam failure detection and/or beam management in the secondary cell of the user device in the dormant state.

beam failure detection resources for dormant state, candidate beams for dormant state reference secondary cell list.

In the embodiment of the disclosure, a dedicated CSI-RS for use in a dormant state of a secondary cell is used, where the network device 101 can send the CSI-RS used in the dormant state of the secondary cell to the user device 102, so that the user device performs measurement only applicable to the dormant state according to the dedicated CSI-RS in the dormant state of the secondary cell.

Embodiments of the present disclosure provide a method of transmitting a channel state information reference signal CSI-RS, the method being performed by a network device 101, the method comprising:

in step S500-1, the network device 101 sends configuration information to the user equipment 102, 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 in the secondary cell in the dormant state.

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

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

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

step S500-2, the network device 101 sends reporting configuration information to the user equipment, where the reporting configuration information is used to indicate a reporting manner of reporting a measurement result, where the measurement result is a result of performing measurement related to beam failure detection and/or beam management based on the CSI-RS.

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

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

in step S500-2, the network device 101 sends reporting configuration information to the user device 102, where the reporting configuration information is used to indicate a reporting manner of reporting the measurement result.

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

step S500-2, the network device 101 sends reporting configuration information to the user device, wherein the reporting configuration information is used for indicating a reporting mode of reporting the measurement result. The reporting mode is a periodic reporting mode, wherein the periodic reporting mode is related to periodic CSI-RS used in a sleep state of the secondary cell.

In some possible embodiments, the reporting period corresponding to the periodic reporting manner is a period of CSI-RS resources of the associated periodic CSI-RS.

step S500-2, the network device 101 sends reporting configuration information to the user device, wherein the reporting configuration information is used for indicating a reporting mode of reporting the measurement result. The reporting mode is a semi-persistent reporting mode, wherein the semi-persistent reporting mode is related to a semi-persistent CSI-RS used in a dormant state of a secondary cell or a periodic CSI-RS used in the dormant state of the secondary cell.

In some possible embodiments, the reporting period corresponding to the semi-persistent reporting manner is a period of CSI-RS resources of the associated CSI-RS.

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

Based on the same concept as the above method embodiments, the present disclosure also provides a communication apparatus, which may have the functions of the user equipment 102 in the above method embodiments, and is configured to perform the steps performed by the user equipment 102 provided in the above embodiments. The functions may be implemented by hardware, or may be implemented by software or hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the functions described above.

In one possible implementation, the communication apparatus 600 shown in fig. 6 may be used as the user equipment 102 according to the above-described method embodiment, and perform the steps performed by the user equipment 102 in the above-described method embodiment. As shown in fig. 6, the communication device 600 may include a transceiver module 601. The transceiver module 601 may be used to support communication by the communication device 600, and the transceiver module 601 may have a wireless communication function, for example, may be capable of performing wireless communication with other communication devices through a wireless air interface.

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

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

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

The processing component 702 generally controls overall operation of the apparatus 700, such as operations 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 perform all or part of the steps of the methods described above. Further, the processing component 702 can include one or more modules that facilitate interaction between the processing component 702 and other components. For example, the processing component 702 may include a multimedia module to facilitate interaction between the multimedia component 708 and the 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 the apparatus 700, contact data, phonebook data, messages, pictures, videos, and the like. The memory 704 may be implemented by any type or combination of volatile or nonvolatile memory devices 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 the various components of the device 700. The power components 706 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the device 700.

The multimedia component 708 includes a screen between the device 700 and the user that provides an output interface. 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 sense not only the boundary of a touch or sliding action, but also the duration and pressure associated with the touch or sliding operation. In some embodiments, the multimedia component 708 includes a front-facing camera and/or a rear-facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 700 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

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

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

The sensor assembly 714 includes one or more sensors for providing status assessment of various aspects of the apparatus 700. For example, the sensor assembly 714 may detect an on/off state of the device 700, a relative positioning of the components, such as a display and keypad of the apparatus 700, a change in position of the apparatus 700 or one component of the apparatus 700, the presence or absence of user contact with the apparatus 700, an orientation or acceleration/deceleration of the apparatus 700, and a change in temperature of the apparatus 700. The sensor assembly 714 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 714 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 714 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 716 is configured to facilitate communication between the apparatus 700 and other devices in a wired or wireless manner. The apparatus 700 may access a wireless network based on a communication standard, such as WiFi,4G or 5G, or a combination thereof. In one 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 further includes a Near Field Communication (NFC) module to facilitate short range communications. 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, the apparatus 700 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.

Based on the same concept as the above method embodiments, the present disclosure also provides a communication apparatus that may have the function of the network device 101 in the above method embodiments and is used to perform the steps performed by the network device 101 provided in the above embodiments. The functions may be implemented by hardware, or may be implemented by software or hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the functions described above.

In a possible implementation manner, the communication apparatus 800 as shown in fig. 8 may be used as the network device 101 according to the above-described method embodiment, and perform the steps performed by the network device 101 in the above-described method embodiment. As shown in fig. 8, the communication device 800 may include a transceiver module 801. The transceiver module 801 may be used to support communication by the communication device 800, and the transceiver module 801 may be provided with a wireless communication function, for example, to enable wireless communication with other communication devices via a wireless air interface.

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

When the communication apparatus is a network device, its structure may also be as shown in fig. 9. The configuration of the communication apparatus is described with the network device 101 as a base station. As shown in fig. 9, the apparatus 900 includes a memory 901, a processor 902, a transceiver component 903, and a power supply component 906. The memory 901 is coupled to the processor 902, and can be used to store programs and data necessary for the communication device 900 to perform various functions. The processor 902 is configured to support the communication device 900 to perform the corresponding functions of the above-described method, which functions may be implemented by calling a program stored in the memory 901. The transceiver component 903 may be a wireless transceiver that can be utilized to support the communication device 900 in receiving signaling and/or data over a wireless air interface and transmitting signaling and/or data. The transceiver component 903 may also be referred to as a transceiver unit or a communication unit, where the transceiver component 903 may include a radio frequency component 904, which may be a remote radio frequency unit (remote radio unit, RRU), and one or more antennas 905, which may be specifically used for transmitting radio frequency signals and converting radio frequency signals to baseband signals, and may be specifically used for radiating and receiving radio frequency signals.

When the communication device 900 needs to transmit data, the processor 902 may perform baseband processing on the data to be transmitted, and then output a baseband signal to the radio frequency unit, where the radio frequency unit performs radio frequency processing on the baseband signal and then transmits the radio frequency signal in the form of electromagnetic wave through the antenna. When data is transmitted to the communication device 900, the radio frequency unit receives a 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 processes the data.

Other implementations of the disclosed embodiments will be 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 adaptations, uses, or adaptations of the disclosed embodiments following, in general, the principles of the disclosed embodiments and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosed embodiments being indicated by the following claims.

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

Industrial applicability

And in addition, the network equipment can conveniently control the sending period of the special CSI-RS, and when the sending period of the special CSI-RS is controlled to be larger than the sending period of the CSI-RS used by the user equipment in the non-dormant state, the related measurement operation of the user equipment for executing the beam failure detection and/or the beam management is reduced, and the energy consumption is saved.

Claims

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

and receiving the CSI-RS transmitted by the network equipment and used for being used in the dormant state of the secondary cell, wherein the CSI-RS is used for executing measurement related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment.
The method of claim 1, wherein the method further comprises:

and receiving configuration information sent by the network equipment, wherein the configuration information is used for indicating at least one of a CSI-RS resource, a power parameter and a sequence generation parameter of the CSI-RS used in a dormant state of a secondary cell.
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 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:

and receiving reporting configuration information sent by the network equipment, wherein the reporting configuration information is used for indicating a reporting mode of reporting a measurement result, and the measurement result is a result of performing measurement related to beam failure detection and/or beam management based on the CSI-RS.
The method of claim 4, wherein,

the reporting mode is a periodic reporting mode, wherein the periodic reporting mode is related to periodic CSI-RS used in a dormant state of the secondary cell.
The method of claim 4, wherein,

the reporting mode is a semi-persistent reporting mode, wherein the semi-persistent reporting mode is related to the semi-persistent CSI-RS used in the sleep state of the secondary cell or the periodic CSI-RS used in the sleep state of the secondary cell.
The method according to claim 1 to 6, wherein,

The CSI-RS is a periodic CSI-RS or a semi-persistent CSI-RS.
The method according to claim 1 to 6, wherein,

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

beam failure detection resources for sleep state;

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

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

and transmitting a CSI-RS (channel state information-reference signal) for use in a dormant state of a secondary cell to user equipment, wherein the CSI-RS is used for performing measurement related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment.
The method of claim 11, wherein the method further comprises:

and sending configuration information to the user equipment, wherein the configuration information is used for indicating at least one of a CSI-RS resource, a power parameter and a sequence generation parameter of the CSI-RS used in a dormant state of a secondary cell.
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 measurement related to beam failure detection and/or beam management based on the CSI-RS.
The method of claim 11, wherein the method further comprises:

and sending reporting configuration information to the user equipment, wherein the reporting configuration information is used for indicating a reporting mode of reporting a measurement result, and the measurement result is a result of performing measurement related to beam failure detection and/or beam management based on the CSI-RS.
The method of claim 14, wherein the method further comprises:

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

the reporting mode is a periodic reporting mode, wherein the periodic reporting mode is related to periodic CSI-RS used in a dormant state of the secondary cell.
The method of claim 15, wherein,

the reporting mode is a semi-persistent reporting mode, wherein the semi-persistent reporting mode is related to the semi-persistent CSI-RS used in the sleep state of the secondary cell or the periodic CSI-RS used in the sleep state of the secondary cell.
The method of any one of claim 11 to 17, wherein,

the CSI-RS is a periodic CSI-RS or a semi-persistent CSI-RS.
The method of any one of claim 11 to 17, wherein,

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

beam failure detection resources for sleep state;

the candidate beams for the dormant state refer to the secondary cell list.
A communication apparatus, comprising:

and the receiving and transmitting module is used for receiving the CSI-RS transmitted by the network equipment and used for being used in the dormant state of the secondary cell, wherein the CSI-RS is used for executing the measurement related to the beam failure detection and/or the beam management in the dormant state of the secondary cell of the user equipment.
A communication apparatus, comprising:

and the receiving and transmitting module is used for transmitting the CSI-RS used in the dormant state of the secondary cell to the user equipment, wherein the CSI-RS is used for executing measurement related to beam failure detection and/or beam management in the dormant state of the secondary cell of the user equipment.
A communication device comprising a processor and a memory;

the memory is used for storing a computer program;

the processor is configured to execute the computer program to implement the method of any one of claims 1-10.
A communication device comprising a processor and a memory;

the memory is used for storing a computer program;

the processor is configured to execute the computer program to implement the method of any one of claims 11-19.
A computer readable storage medium having instructions stored therein which, when invoked for execution on a computer, cause the computer to perform the method of any of claims 1-10.
A computer readable storage medium having instructions stored therein which, when invoked for execution on a computer, cause the computer to perform the method of any of claims 11-19.