CN114258039A - Method executed by user equipment and user equipment - Google Patents
Method executed by user equipment and user equipment Download PDFInfo
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- H—ELECTRICITY
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- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
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- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a method executed by user equipment and the user equipment. The method performed by the user equipment is a method of relaxing radio resource management, RRM, measurements performed by the user equipment, UE, comprising the steps of: in an RRC idle state or an RRC inactive state, the UE receives a system message from the base station, and broadcasts a configuration of a measurement time length of a relaxed RRM of a reduced capability NR device or a normal capability NR device in the system message; and the UE determines the time length for not performing the measurement of the adjacent cell or the cell in the RRC idle state or the RRC non-activated state based on the received time length configuration.
Description
Technical Field
The present invention relates to the field of wireless communication technology, and more particularly, to a method for performing a relaxed radio resource measurement by a user equipment and a corresponding user equipment.
Background
With the standardization and the gradual commercialization of 5G, the application scenes are more diversified. First, in the industrial wireless sensor scenario, various sensors are diverse in kind and use. Some of these sensors require high reliability, low latency or large bandwidth, some require ultra-low cost and ultra-long battery life, and some require intermediate requirements. This portion of the devices may be considered to be some reduced capability NR devices. Secondly, video surveillance and information gathering are commonly used with the planning and development of smart cities, and wireless devices for such applications also have similar features to the reduced-capability NR devices mentioned above. Finally, numerous wearable devices, such as intelligent wrist-watch, intelligent bracelet, health status monitor etc. also have the characteristics of the NR equipment of reducing ability. For this type of reduced capacity NR device, the existing standards do not support it well to meet the optimum performance requirements.
For the above reasons, research projects for reduced capability NR devices of Release 17 (see non-patent document: RP-193238New SID on Study on Support of reduced capability NR devices) at 3rd Generation Partnership Project (3 GPP) RAN #86 at 12.2019 were approved. The research project determines the applicable scenes of the project to be industrial wireless sensors, video monitoring and wearable equipment. One of the goals of this research project is the research on power consumption saving and battery life enhancement of reduced-capability NR devices, including reduced monitoring of the downlink control channel (PDCCH), extended discontinuous reception in RRC inactive state, or idle state, relaxation of Radio Resource Management (RRM) measurements for stationary devices. The research goal is mainly directed to industrial wireless sensors and wearable devices.
The present invention discusses the related problem of achieving the RRM measurement relaxation of the stationary devices in the above research objectives.
Disclosure of Invention
To address at least some of the above issues, the present invention provides a method performed by a user equipment and a user equipment.
According to an aspect of the present invention, there is provided a method performed by a user equipment, UE, for relaxing RRM measurements, comprising the steps of:
in an RRC idle state or an RRC inactive state, the UE receives a system message from the base station, and broadcasts a configuration of a measurement time length of a relaxed RRM of a reduced capability NR device or a normal capability NR device in the system message;
and the UE determines the time length for not performing the measurement of the adjacent cell or the cell in the RRC idle state or the RRC non-activated state based on the received time length configuration.
According to another aspect of the present invention, there is provided a method performed by a user equipment, UE, for relaxing RRM measurements, comprising the steps of:
in an RRC connected state, the UE receives an RRC special message from the base station, and the RRC special message contains UE-specific configuration of the measurement time length of the relaxed RRM of the NR device with reduced capability or the NR device with normal capability;
the UE determines the time length for not performing the measurement of the adjacent cell or the cell in the RRC connection state based on the received time length configuration.
In the above-described method performed by the user equipment, optionally,
the time length configuration is respectively configured with different parameters and parameter values for the measurement of the neighboring cell and the cell.
In the above-described method performed by the user equipment, optionally,
the time length configuration further configures different parameters and parameter values according to different device types of the reduced capability NR device or the normal capability NR device; or different parameters and parameter values are respectively configured according to different moving states of the reduced capability NR device or the normal capability NR device.
According to another aspect of the present invention, there is provided a method performed by a user equipment, UE, for relaxing RRM measurements, comprising the steps of:
in an RRC connected state, the UE receives a first RRM measurement parameter and a second RRM measurement parameter configured through RRC special signaling from the base station, wherein the first RRM measurement parameter is used for normal RRM measurement in the connected state, and the second RRM measurement parameter is used for relaxed RRM measurement;
the UE saves the normal RRM measurement configuration so as to adopt the normal RRM measurement configuration to execute RRM measurement under the condition that the relaxed RRM measurement condition is not satisfied;
after receiving the special signaling configuration, the UE immediately executes relaxed RRM measurement according to the second RRM measurement parameter; or performing the RRM measurement according to the first RRM measurement parameter for a period of time, and then performing the relaxed RRM measurement according to the second RRM measurement parameter.
In the above-described method performed by the user equipment, optionally,
the relaxed RRM measurement configuration configures different parameters and parameter values for the measurement configuration of the neighboring cell and the local cell, and the measurement configuration of different UE types or different UE mobility states, respectively.
In the above-described method performed by the user equipment, optionally,
after the UE establishes RRC connection, the base station only configures normal RRM measurement configuration;
after the UE reports the normal measurement report for a period of time or after the UE continuously reports a plurality of measurement reports, the base station issues the relaxed RRM measurement configuration to the UE through an RRC (radio resource control) dedicated signaling or an MAC CE (media access control) device; or, the base station judges whether the quality of the local cell and/or the neighboring cell in the received normal RRM measurement report reported by the UE is higher than a certain threshold value, if so, the base station issues a relaxed RRM measurement configuration, otherwise, the base station does not issue the relaxed RRM measurement configuration.
In the above-described method performed by the user equipment, optionally,
the base station indicates the UE to immediately start to execute the connection state measurement according to the relaxed RRM measurement configuration through RRC dedicated signaling or MAC CE; or configuring a time interval, in which the UE performs the relaxed RRM measurement according to the normal RRM measurement configuration first, and then performs the measurement according to the relaxed RRM measurement configuration.
In the above-described method performed by the user equipment, optionally,
the base station instructs the UE to immediately stop the relaxed RRM measurement through RRC dedicated signaling or MAC CE, and adopts the normal RRM measurement; alternatively, the first and second electrodes may be,
the base station instructs the UE to switch from the relaxed to the normal RRM measurements or from the normal RRM measurements to the relaxed RRM measurements through RRC dedicated signaling or MAC CE.
According to still another aspect of the present invention, there is provided a user equipment comprising:
a processor; and
a memory having stored therein instructions that, when executed,
the instructions, when executed by the processor, cause the user equipment to perform a method according to the above description.
According to the scheme, power consumption saving and battery life enhancement can be achieved.
Drawings
Fig. 1 is a diagram illustrating a basic procedure of a method performed by a user equipment according to an embodiment of the present invention.
Fig. 2 is a diagram illustrating a basic procedure of a method performed by a user equipment according to another embodiment of the present invention.
Fig. 3 is a diagram illustrating a basic procedure of a method performed by a user equipment according to still another embodiment of the present invention.
Fig. 4 is a block diagram showing a user equipment according to an embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the detailed description. It should be noted that the present invention should not be limited to the specific embodiments described below. In addition, for the sake of brevity, detailed descriptions of well-known technologies not directly related to the present invention are omitted to prevent confusion of understanding of the present invention.
Some terms related to the present invention are described below, and specific meanings of the terms are described in the latest standard specification of 3GPP, such as TS38.300, TS38.331, TS36.300, TS36.331, and the like. Unless otherwise indicated, all terms referred to in the present invention have the following meanings.
UE: user Equipment
NR: new Radio New generation wireless technology
MAC: medium Access Control multimedia Access Control
MAC CE: MAC control element
RRM: radio Resource Management
RRC: radio Resource Control
RRC _ CONNECTED: RRC connected state
RRC _ INACTIVE: RRC inactive state
RRC _ IDLE: RRC idle state
RAN: radio Access Network, Radio Access stratum
PDCCH: physical downlink control channel, Physical downlink control channel
PBCH: physical broadcast channel, Physical broadcast channel
CSI: channel State Information, Channel State Information
CSI-RS: CSI reference signal, channel state information reference signal
And SS: synchronization Signal, Synchronization Signal
In the invention, a network, a base station and a RAN can be used interchangeably, and the network can be a long term evolution LET network, a New radio access technology (New RAT, NR) network, an enhanced long term evolution eLTE network or other networks defined in subsequent evolution versions of 3 GPP.
In the present invention, the user equipment UE may refer to the NR device with reduced capability described in the background technology, and may also refer to other types of NR devices or LTE devices. Stationary equipment includes equipment that is stationary at all times, equipment that is stationary for a period of time, and equipment that moves at very low speeds.
In the invention, the RRM measurement comprises measurement of the cell and (or) measurement of a neighboring cell. For NR, the measurements include measurements of SS/PBCH blocks and CSI-RS; for LTE, the measurements include measurements on synchronization signals.
The prior art to which embodiments of the present invention relate is briefly described below.
RRM measurements in the prior art in RRC idle and inactive states relax:
in 3GPP release 16, RRM measurement relaxation in RRC idle and inactive states is standardized and defined in 3GPP latest standard specification TS 38.304 (see section 5.2.4.9). And the base station broadcasts RRM measurement relaxation configuration parameters in an RRC idle state and an inactive state through system messages, wherein the configuration parameters comprise switches for low-speed movement evaluation and non-cell edge evaluation, decision thresholds and decision time parameters for low-speed movement and non-cell edges and the like. Firstly, the UE normally measures the quality of the cell, and when the quality of the cell is lower than a threshold value which is broadcasted by a base station through a system message and used for starting measurement of a neighboring cell, the judgment and execution of RRM measurement relaxation are carried out. If the base station is configured with low rate evaluation and non-cell edge evaluation at the same time, the UE evaluates whether the UE is moving at a low speed or not at the cell edge. If the UE evaluates that it is moving slowly and not at the cell edge, and the UE has performed normal neighbor cell measurements for a period of time after selecting or reselecting to the current cell (the time length base station broadcasts via a system message), the UE may not perform neighbor cell measurements for a fixed 1 hour period. If the base station is only configured with low-speed evaluation, the UE evaluates that the UE is moving at a low speed, the UE performs normal neighbor cell measurement for a period of time (the time length base station broadcasts through system information) after selecting or reselecting the current cell, the quality of the cell is better than the threshold value of the NR pilot frequency and the inter-system, the base station is configured with high-priority neighbor cell frequency point measurement capable of relaxing the NR pilot frequency and the inter-system, and the UE does not perform high-priority neighbor cell frequency point measurement of the NR pilot frequency and the inter-system within 1 hour.
For NR devices with reduced capability, there may be different types, some of which are always fixed and some of which are not moved for a period of time, and the above prior art does not perform NR pilot frequency and NR pilot system neighbor measurement for 1 hour, which cannot enable these devices to achieve the best power saving effect. Meanwhile, the prior art only supports the RRM measurement relaxation in the RRC idle state and the inactive state, and the rest UE always performs the measurement in the RRC connected state may also generate redundant power consumption.
Hereinafter, several embodiments of the present invention for the above-described problems are described in detail.
Example 1
Fig. 1 is a diagram illustrating a basic procedure of a method performed by a user equipment according to an embodiment of the present invention.
The method performed by the user equipment according to embodiment 1 of the present invention will be described in detail below with reference to the basic procedure shown in fig. 1.
As shown in fig. 1, in embodiment 1 of the present invention, the steps performed by the user equipment include:
step S101: in the RRC _ IDLE or RRC _ INACTIVE state, the UE receives a system message from the base station, in which a relaxed RRM measurement time length configuration of the reduced capability NR device or the normal capability NR device is broadcasted;
step S102: the UE determines the time length for not performing the measurement of the adjacent cell or the local cell in the RRC _ IDLE or RRC _ INACTIVE state based on the received time length configuration.
Specifically, in the RRC _ IDLE or RRC _ INACTIVE state, the base station broadcasts the configuration of the relaxed RRM measurement time length of the NR device with reduced capability in the system message, so that the UE may not perform measurement of the neighboring cell or the local cell for a certain time in the RRC _ IDLE or RRC _ INACTIVE state. Optionally, the time length configuration may configure different parameters and parameter values for the measurement of the neighboring cell and the current cell, respectively. Optionally, the time length configuration may further configure different parameters and parameter values respectively according to NR devices with reduced capabilities of different device types. Or different parameters and parameter values are respectively allocated according to different movement states of the reduced capability NR device, such as permanent rest, temporary rest (i.e. stationary for a period of time, moving for a period of time), low speed movement, etc.
Optionally, the base station may broadcast the configuration of the RRM measurement time length to the normal capability NR device by a system message. Meanwhile, the time length configuration can configure different parameters and parameter values for the measurement of the neighboring cell and the cell. The time length configuration may further configure different parameters and parameter values, respectively, according to the NR devices of normal capabilities of different device types. Or different parameters and parameter values are respectively allocated according to different movement states of the normal capability NR device, such as permanent rest, temporary rest (i.e. stationary for a period of time, moving for a period of time), low-speed movement, and the like.
Since the base station may configure the UE to report the measurement report periodically in the connected state, according to this embodiment, the base station needs to ensure that the relaxed RRM measurement duration does not exceed the period duration for reporting the measurement report periodically, so as to ensure that the UE can report the measurement report periodically according to the requirement of the base station.
Example 2
Fig. 2 is a diagram illustrating a basic procedure of a method performed by a user equipment according to another embodiment of the present invention.
The method performed by the user equipment according to embodiment 2 of the present invention will be described in detail below with reference to the basic procedure shown in fig. 2.
As shown in fig. 2, in embodiment 2 of the present invention, the steps performed by the user equipment include:
step S201: in the RRC _ CONNECTED state, the UE receives an RRC dedicated message from the base station, where the RRC dedicated message includes a relaxed RRM measurement time length configuration specific to the reduced capability NR device or the normal capability NR device;
step S202: the UE determines, based on the received time length configuration, a time length for which measurement of the neighboring cell or the own cell is not performed in the RRC _ CONNECTED state.
Specifically, in the RRC _ CONNECTED state, the base station configures UE-specific relaxed RRM measurement time length configuration for the UE through an RRC-specific message, so that the UE may not perform measurement on the neighboring cell or the local cell for a certain period of time in the RRC _ CONNECTED state. Optionally, the time length configuration may configure different parameters and parameter values for the measurement of the neighboring cell and the current cell, respectively. Optionally, the time length configuration may further configure different parameters and parameter values respectively according to NR devices with reduced capabilities of different device types. Or different parameters and parameter values are respectively allocated according to different movement states of the reduced capability NR device, such as permanent rest, temporary rest (i.e. stationary for a period of time, moving for a period of time), low speed movement, etc.
Alternatively, the base station may configure the relaxed RRM measurement time length for the normal capability NR device through RRC dedicated information. Meanwhile, the time length configuration can configure different parameters and parameter values for the measurement of the neighboring cell and the cell. The time length configuration may further configure different parameters and parameter values, respectively, according to the NR devices of normal capabilities of different device types. Or different parameters and parameter values are respectively allocated according to different movement states of the normal capability NR device, such as permanent rest, temporary rest (i.e. stationary for a period of time, moving for a period of time), low-speed movement, and the like.
Since the base station may configure the UE to report the measurement report periodically in the connected state, according to this embodiment, the base station needs to ensure that the relaxed RRM measurement duration does not exceed the period duration for reporting the measurement report periodically, so as to ensure that the UE can report the measurement report periodically according to the requirement of the base station.
Example 3
Fig. 3 is a diagram illustrating a basic procedure of a method performed by a user equipment according to still another embodiment of the present invention.
The method performed by the user equipment according to embodiment 3 of the present invention will be described in detail below with reference to the basic procedure shown in fig. 3.
As shown in fig. 3, in embodiment 3 of the present invention, the steps performed by the user equipment include:
step S301: in the RRC _ CONNECTED state, the UE receives a first RRM measurement parameter and a second RRM measurement parameter from the base station, wherein the first RRM measurement parameter is configured through RRC special signaling, the first RRM measurement parameter is used for normal RRM measurement in a CONNECTED state, and the second RRM measurement parameter is used for relaxed RRM measurement;
step S302: the UE stores normal RRM measurement configuration, and executes RRM measurement by adopting the normal RRM measurement configuration under the condition that the relaxed RRM measurement condition is not satisfied;
step S303: after receiving the special signaling configuration, the UE immediately executes relaxed RRM measurement according to the second RRM measurement parameter; or performing the RRM measurement according to the first RRM measurement parameter for a period of time, and then performing the relaxed RRM measurement according to the second RRM measurement parameter.
Specifically, in the RRC _ CONNECTED state, the base station configures two sets of RRM measurement parameters through RRC dedicated signaling. One set of parameters is used for normal connected RRM measurements and the other set of parameters is used for relaxed RRM measurements. The UE needs to save the normal RRM measurement configuration in order to perform the RRM measurement with the normal RRM measurement configuration in case the relaxed RRM measurement condition is not met. Optionally, the relaxed RRM measurement configuration may distinguish between a measurement configuration for a neighboring cell and a measurement configuration for the cell, and distinguish between measurement configurations of different UE types or different UE mobility states. After receiving the dedicated signaling configuration, the UE may immediately perform relaxed RRM measurement according to the relaxed measurement configuration parameters; or the RRM measurement may be performed according to the normal measurement configuration parameters for a certain period of time, and then the relaxed RRM measurement may be performed.
Meanwhile, optionally, the base station may indicate, through RRC dedicated signaling, whether the UE immediately starts to perform the connection state measurement according to the relaxed RRM measurement configuration; or configuring a time interval (the time interval may be configured simultaneously with whether to perform the relaxed RRM measurement immediately or separately), during which the UE needs to perform the relaxed RRM measurement according to the normal RRM measurement configuration before performing the measurement according to the relaxed RRM measurement configuration, and particularly if the time interval is configured to be zero, it may indicate that the base station allows the UE to perform the relaxed RRM measurement immediately according to the relaxed RRM measurement configuration.
Example 4
For embodiment 3, the base station may configure only the normal RRM measurement configuration after the UE establishes the RRC connection. The UE needs to save the normal RRM measurement configuration in order to perform the RRM measurement with the normal RRM measurement configuration in case the relaxed RRM measurement condition is not met. After the UE reports the normal measurement report for a period of time, or after the UE continuously reports a plurality of measurement reports (the number of base stations is configurable), the base station issues the relaxed RRM measurement configuration to the UE through the RRC dedicated signaling. Optionally, the base station may further determine whether the quality of the local cell and/or the neighboring cell in the received normal RRM measurement report reported by the UE is higher than a threshold, and issue the relaxed RRM measurement configuration if the quality of the local cell and/or the neighboring cell is higher than the threshold, otherwise, not issue the relaxed RRM measurement configuration. The RRM-specific signaling may carry only the relaxed RRM measurement configuration and not the normal RRM measurement configuration.
Meanwhile, optionally, the base station may indicate in the RRC dedicated signaling whether the UE immediately starts performing the connection state measurement according to the relaxed RRM measurement configuration; or configuring a time interval (the time interval may be configured simultaneously with whether to perform the relaxed RRM measurement immediately or separately), during which the UE needs to perform the relaxed RRM measurement according to the normal RRM measurement configuration before performing the measurement according to the relaxed RRM measurement configuration, and particularly if the time interval is configured to be zero, it may indicate that the base station allows the UE to perform the relaxed RRM measurement immediately according to the relaxed RRM measurement configuration.
Optionally, in this embodiment, the RRC dedicated signaling used by the base station to issue the relaxed RRM measurement configuration may be replaced with the MAC CE. In this case, the relaxed measurement configuration may only carry parameters different from the normal RRM measurement configuration, and the UE still uses the parameters in the normal RRM measurement configuration without carrying the parameters.
Example 5
On the basis of embodiments 3, 4, the base station may instruct the UE to immediately stop the relaxed RRM measurements and adopt the normal RRM measurements. The base station determines that the UE needs to be switched out of the cell for reasons including, but not limited to, detection of link quality degradation, increased downlink data retransmission, radio link failure, local overload, or other reasons. The base station may instruct the UE to immediately stop the Relaxed RRM measurements through the MAC CE, such as, but not limited to, a measurement RRM stop command, which may be called "delayed RRM stop common". After the UE stops the relaxed RRM measurements, the RRM measurements are performed using the previously saved normal RRM measurement configuration.
Alternatively, the base station may instruct the UE to switch from the relaxed to the normal RRM measurements or vice versa. The base station may instruct the UE to switch RRM measurements through the MAC CE, for example but not limited to its name "delayed RRM switch common". And after receiving the command of the base station for instructing the RRM measurement mode to be switched, the UE executes RRM measurement according to the stored RRM measurement configuration according to the instruction of the base station.
Optionally, the base station is configured to instruct the UE to immediately stop the relaxed RRM measurement, or instruct the UE to perform RRM measurement handover, and may instruct the UE through an RRC signaling manner. While the indication is completed, other RRM measurement parameter configurations may be carried in the same RRC signaling.
Fig. 4 is a block diagram schematically illustrating a user equipment UE according to the present invention. As shown in fig. 4, the user equipment UE400 includes a processor 401 and a memory 402. The processor 401 may include, for example, a microprocessor, a microcontroller, an embedded processor, or the like. The memory 402 may include, for example, volatile memory (e.g., random access memory RAM), a Hard Disk Drive (HDD), non-volatile memory (e.g., flash memory), or other memory, among others. The memory 402 has stored thereon program instructions. Which when executed by the processor 401 may perform the above-described method performed by the user equipment as detailed in the present invention.
The program running on the apparatus according to the present invention may be a program that causes a computer to realize the functions of the embodiments of the present invention by controlling a Central Processing Unit (CPU). The program or information processed by the program may be temporarily stored in a volatile memory (such as a random access memory RAM), a Hard Disk Drive (HDD), a nonvolatile memory (such as a flash memory), or other memory system.
A program for implementing the functions of the embodiments of the present invention may be recorded on a computer-readable recording medium. The corresponding functions can be realized by causing a computer system to read the programs recorded on the recording medium and execute the programs. The term "computer system" as used herein may be a computer system embedded in the device and may include an operating system or hardware (e.g., peripheral devices). The "computer-readable recording medium" may be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a recording medium that stores a program for short-term dynamics, or any other recording medium that is readable by a computer.
Various features or functional blocks of the devices used in the above-described embodiments may be implemented or performed by circuitry (e.g., a single or multiple chip integrated circuits). Circuitry designed to perform the functions described herein may include a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. The circuit may be a digital circuit or an analog circuit. Where new integrated circuit technologies have emerged as a replacement for existing integrated circuits due to advances in semiconductor technology, one or more embodiments of the present invention may also be implemented using these new integrated circuit technologies.
Further, the present invention is not limited to the above-described embodiments. While various examples of the embodiments have been described, the present invention is not limited thereto. Fixed or non-mobile electronic devices installed indoors or outdoors may be used as terminal devices or communication devices, such as AV devices, kitchen devices, cleaning devices, air conditioners, office devices, vending machines, and other home appliances.
As above, the embodiments of the present invention have been described in detail with reference to the accompanying drawings. However, the specific configuration is not limited to the above embodiment, and the present invention includes any design modification without departing from the gist of the present invention. In addition, the present invention can be variously modified within the scope of the claims, and embodiments obtained by appropriately combining the technical means disclosed in the different embodiments are also included in the technical scope of the present invention. Further, components having the same effects described in the above embodiments may be substituted for each other.
Claims (10)
1. A method performed by a user equipment, UE, for relaxing RRM measurements, comprising the steps of:
in an RRC idle state or an RRC inactive state, the UE receives a system message from the base station, and broadcasts a configuration of a measurement time length of a relaxed RRM of a reduced capability NR device or a normal capability NR device in the system message;
and the UE determines the time length for not performing the measurement of the adjacent cell or the cell in the RRC idle state or the RRC non-activated state based on the received time length configuration.
2. A method performed by a user equipment, UE, for relaxing RRM measurements, comprising the steps of:
in an RRC connected state, the UE receives an RRC special message from the base station, and the RRC special message contains UE-specific configuration of the measurement time length of the relaxed RRM of the NR device with reduced capability or the NR device with normal capability;
the UE determines the time length for not performing the measurement of the adjacent cell or the cell in the RRC connection state based on the received time length configuration.
3. The method performed by a user equipment of claim 1 or 2,
the time length configuration is respectively configured with different parameters and parameter values for the measurement of the neighboring cell and the cell.
4. The method performed by a user equipment of claim 3,
the time length configuration further configures different parameters and parameter values according to different device types of the reduced capability NR device or the normal capability NR device; or different parameters and parameter values are respectively configured according to different moving states of the reduced capability NR device or the normal capability NR device.
5. A method performed by a user equipment, UE, for relaxing RRM measurements, comprising the steps of:
in an RRC connected state, the UE receives a first RRM measurement parameter and a second RRM measurement parameter configured through RRC special signaling from the base station, wherein the first RRM measurement parameter is used for normal RRM measurement in the connected state, and the second RRM measurement parameter is used for relaxed RRM measurement;
the UE saves the normal RRM measurement configuration so as to adopt the normal RRM measurement configuration to execute RRM measurement under the condition that the relaxed RRM measurement condition is not satisfied;
after receiving the special signaling configuration, the UE immediately executes relaxed RRM measurement according to the second RRM measurement parameter; or performing the RRM measurement according to the first RRM measurement parameter for a period of time, and then performing the relaxed RRM measurement according to the second RRM measurement parameter.
6. The method performed by the user equipment of claim 5,
the relaxed RRM measurement configuration configures different parameters and parameter values for the measurement configuration of the neighboring cell and the local cell, and the measurement configuration of different UE types or different UE mobility states, respectively.
7. The method performed by the user equipment of claim 5,
after the UE establishes RRC connection, the base station only configures normal RRM measurement configuration;
after the UE reports the normal measurement report for a period of time or after the UE continuously reports a plurality of measurement reports, the base station issues the relaxed RRM measurement configuration to the UE through an RRC (radio resource control) dedicated signaling or an MAC CE (media access control) device; or, the base station judges whether the quality of the local cell and/or the neighboring cell in the received normal RRM measurement report reported by the UE is higher than a certain threshold value, if so, the base station issues a relaxed RRM measurement configuration, otherwise, the base station does not issue the relaxed RRM measurement configuration.
8. The method performed by a user equipment according to any one of claims 5 to 7,
the base station indicates the UE to immediately start to execute the connection state measurement according to the relaxed RRM measurement configuration through RRC dedicated signaling or MAC CE; or configuring a time interval, in which the UE performs the relaxed RRM measurement according to the normal RRM measurement configuration first, and then performs the measurement according to the relaxed RRM measurement configuration.
9. The method performed by the user equipment of claim 8,
the base station instructs the UE to immediately stop the relaxed RRM measurement through RRC dedicated signaling or MAC CE, and adopts the normal RRM measurement; alternatively, the first and second electrodes may be,
the base station instructs the UE to switch from the relaxed to the normal RRM measurements or from the normal RRM measurements to the relaxed RRM measurements through RRC dedicated signaling or MAC CE.
10. A user equipment, comprising:
a processor; and
a memory having stored therein instructions that, when executed,
the instructions, when executed by the processor, cause the user equipment to perform the method of any of claims 1-9.
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| CN202011004962.6A CN114258039A (en) | 2020-09-22 | 2020-09-22 | Method executed by user equipment and user equipment |
| PCT/CN2021/118200 WO2022062962A1 (en) | 2020-09-22 | 2021-09-14 | Method implemented by user equipment, and user equipment |
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| CN202011004962.6A CN114258039A (en) | 2020-09-22 | 2020-09-22 | Method executed by user equipment and user equipment |
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| CN111465049B (en) * | 2019-01-21 | 2023-05-05 | 中国移动通信有限公司研究院 | Measurement processing method, device, related equipment and storage medium |
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