CN111405643B - Radio resource management measurement method and device - Google Patents

Radio resource management measurement method and device Download PDF

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Publication number
CN111405643B
CN111405643B CN201910004585.7A CN201910004585A CN111405643B CN 111405643 B CN111405643 B CN 111405643B CN 201910004585 A CN201910004585 A CN 201910004585A CN 111405643 B CN111405643 B CN 111405643B
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period
rrm measurement
drx
rrm
drx cycle
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CN111405643A (en
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高宽栋
黄煌
颜矛
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Chengdu Huawei Technology Co Ltd
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Chengdu Huawei Technology Co Ltd
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Priority to CN201910004585.7A priority Critical patent/CN111405643B/en
Priority to PCT/CN2019/129918 priority patent/WO2020140868A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/19Connection re-establishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/28Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application provides a Radio Resource Management (RRM) measuring method and a device, wherein the RRM measuring method comprises the following steps: during the RRM measurement period, RRM measurements are made during an active period of at least one discontinuous reception, DRX, period that is indicated to be dormant by the network device. By performing RRM measurements during at least one active period of the DRX cycle for which the network device is instructed to sleep, the number of RRM measurements during the RRM measurement period may be increased compared to the prior art, thereby facilitating an increase in the measurement accuracy of RRM measurements. The number of RRM measurements in the RRM measurement period can be increased, so that the measurement accuracy of RRM measurement can be improved.

Description

Radio resource management measurement method and device
Technical Field
The present application relates to the field of communications, and in particular, to a method and apparatus for radio resource management (Radio Resource Management, RRM) measurement.
Background
The development of mobile services places increasing demands on the data rate and efficiency of wireless communications. In wireless communication, power consumption of a terminal device is an important issue. In order to reduce the power consumption of the terminal device, the 3GPP standard protocol introduces a discontinuous reception (discontinuous reception, DRX) mechanism in a long term evolution (long term evolution, LTE) system. The basic mechanism of DRX is to configure a DRX cycle (DRX cycle) for a terminal device in a connected state, the DRX cycle including an active period (on duration) and a sleep period (opportunity for DRX). During the activation period, the terminal device monitors and receives the downlink signals, and during the dormancy period, the terminal device does not monitor and does not receive the downlink signals so as to save power consumption.
In order to further reduce the power consumption of the terminal device, it has been proposed to introduce a power saving signal in the DRX mechanism. The power saving signal is used to instruct the terminal device to sleep or to monitor and measure during the active period of the next DRX cycle. The power saving signal is configured by the network device for the terminal device based on the measurement requirements of the physical downlink control channel (physical downlink control channel, PDCCH).
For the purpose of radio resource management (radio resource management, RRM), the network device configures the terminal device to measure radio resources, this measurement being referred to as RRM measurement.
After the power saving signal is used, the number of sleep times of the terminal device in one RRM measurement period is relatively increased, and it may happen that the terminal device sleeps in the DRX period in which RRM measurement is required, that is, the number of RRM measurement times in the RRM measurement period is reduced, which may reduce the measurement accuracy of RRM measurement.
Disclosure of Invention
The application provides an RRM measuring method and device, which can increase the RRM measuring times in the RRM measuring period, thereby improving the measuring precision of the RRM measurement.
In a first aspect, there is provided an RRM measurement method, including: during the RRM measurement period, RRM measurements are made during an active period of at least one discontinuous reception, DRX, period that is indicated to be dormant by the network device.
In the application, the RRM measurement is carried out in the activation period of at least one DRX period which is indicated to be dormant by the network equipment, compared with the prior art, the RRM measurement times in the RRM measurement period can be increased, thereby being beneficial to improving the measurement precision of the RRM measurement.
With reference to the first aspect, in one possible implementation manner of the first aspect, the network device indicates to sleep in an active period of the DRX cycle when it is not required to monitor the physical downlink control channel PDCCH, and indicates to wake up in the active period of the DRX cycle when it is required to monitor the PDCCH.
With reference to the first aspect, in a possible implementation manner of the first aspect, the network device indicates to sleep or wake up during an active period of the DRX cycle through a power saving signal.
Optionally, the RRM measurement method further includes: a power save signal transmitted by a network device is received.
With reference to the first aspect, in one possible implementation manner of the first aspect, performing RRM measurement during an active period of at least one DRX cycle that is indicated to be dormant by a network device includes: and carrying out RRM measurement in the activation period of X DRX cycles of which the dormancy is indicated by the network equipment, wherein the value of X is such that the RRM measurement times in the RRM measurement cycle are not less than the minimum measurement times meeting the RRM measurement precision.
In the application, the RRM measurement is carried out in the activation period of at least one DRX period of which the network equipment indicates to sleep, so that the RRM measurement times in the RRM measurement period are not less than the minimum measurement times meeting the RRM measurement precision, thereby effectively improving the measurement precision of the RRM measurement.
With reference to the first aspect, in one possible implementation manner of the first aspect, performing RRM measurement during an active period of at least one DRX cycle that is indicated to be dormant by a network device includes: and in the RRM measurement period, carrying out RMM measurement in the activation period of all DRX periods of which the network equipment indicates to sleep.
In the application, the measurement accuracy of RRM measurement can be improved to a large extent.
With reference to the first aspect, in a possible implementation manner of the first aspect, the method further includes: and in the RRM measurement period, dormancy is performed in an active period of the DRX period, which is beyond the at least one DRX period and indicated to be dormant by the network equipment.
In other words, in the present implementation, the terminal device sleeps during the active period of the DRX cycle, one part of which is instructed to sleep by the network device, and RRM measurements are performed during the active period of the DRX cycle, another part of which is instructed to sleep by the network device.
In the application, the RRM measurement is carried out in the activation period of a part of the DRX period of which the dormancy is indicated by the network equipment, compared with the prior art, the RRM measurement times in one RRM measurement period can be increased, so that the measurement precision of the RRM measurement can be improved to a certain extent; in addition, by hibernating during another portion of the active period of the DRX cycle that is indicated to be dormant by the network device, the power consumption of the terminal device can be reduced.
With reference to the first aspect, in one possible implementation manner of the first aspect, performing RRM measurement during an active period of at least one DRX cycle that is indicated to be dormant by a network device includes: in the RRM measurement period, whenever a DRX period which is indicated to wake up by the network equipment occurs, subtracting L1 from the count value K of a counter, wherein the initial value of the count value K is smaller than or equal to the number of DRX periods included in the RRM measurement period; and when the number of the unreachable DRX periods in the RRM measurement period is equal to the value of K, carrying out RRM measurement in the activation period of K DRX periods which are the inverse number of the RRM measurement period, wherein the K DRX periods comprise the DRX period which is indicated to be dormant by the network equipment.
The application can also reduce the energy consumption of the terminal equipment under the condition of ensuring the measurement accuracy of RRM measurement to a great extent.
In this implementation, when the number of RRM measurements of the active period of each DRX cycle is the same in the RRM measurement period, L1 is equal to 1.
In this implementation manner, when the RRM measurement times of the active periods of different DRX cycles in the RRM measurement period are different, the value of L1 is determined according to the RRM measurement times of the active periods of the DRX cycles that are indicated to be awake by the network device and the RRM measurement times of the active periods of the K-last DRX cycle in the RRM measurement period. L1 is equal to 0 when the number of RRM measurements for the active period of the indicated awake DRX cycle is less than the number of RRM measurements for the active period of the Kpenultimate DRX cycle; when the number of RRM measurements of the active period of the DRX cycle indicated to be awake is equal to or greater than the number of RRM measurements of the active period of the kth DRX cycle, L1 is equal to 1, or L1 is an integer greater than 1.
Optionally, in this implementation, an initial value of the count value K of the counter is equal to the number of DRX cycles required to meet the minimum measurement number of RRM measurement accuracy.
The application can also reduce the energy consumption of the terminal equipment under the condition of meeting the RRM measurement precision.
With reference to the first aspect, in one possible implementation manner of the first aspect, performing RRM measurement during an active period of at least one DRX cycle that is indicated to be dormant by a network device includes: in the RRM measurement period, whenever a DRX period indicated to be awake by the network equipment occurs, subtracting L2 from the value of a count value R of a counter, wherein L2 is equal to the RRM measurement times of the activation period of the indicated to be awake, and the initial value of the count value R of the counter is the RRM measurement times in the RRM measurement period; and when the sum of RRM measurement times in the unreached reciprocal G DRX periods in the RRM measurement period is equal to or larger than the value of R, and the sum of RRM measurement times in the reciprocal G-1 DRX periods is equal to or smaller than the value of R, carrying out RRM measurement in the active periods of the reciprocal G DRX periods, wherein the reciprocal G DRX periods comprise the DRX period which is indicated to be dormant by the network equipment.
Alternatively, in the present implementation, the initial value of the count value R of the counter is equal to the minimum number of measurements that satisfy the RRM measurement accuracy.
In the application, the energy consumption of the terminal equipment can be reduced under the condition of meeting the RRM measurement precision to a great extent.
With reference to the first aspect, in one possible implementation manner of the first aspect, performing RRM measurement during an active period of at least one DRX cycle that is indicated to be dormant by a network device includes: and when the number of the DRX cycles which are indicated to be dormant by the network equipment in the RRM measurement period reaches a threshold value, carrying out RRM measurement in the activation period of the DRX cycles which are indicated to be dormant by the network equipment which are not reached in the RRM measurement period.
With reference to the first aspect, in a possible implementation manner of the first aspect, the RRM measurement method further includes: and reporting a measurement result of the RRM measurement to the network equipment or sending a resource scheduling request to the network equipment in the last DRX period of the RRM measurement period.
In a second aspect, there is provided an apparatus comprising means for implementing the first aspect or any one of the possible implementations of the first aspect.
In a third aspect, there is provided an apparatus comprising: a memory for storing a computer program; a processor for executing the computer program stored by the memory, the processor for performing the method provided by the first aspect or any one of the possible implementations of the first aspect when the computer program is executed.
Optionally, the apparatus provided in the third aspect is a terminal device or a chip or an integrated circuit provided on the terminal device.
In a fourth aspect, a chip is provided for performing the method provided by the first aspect or any one of the possible implementations of the first aspect.
In a fifth aspect, there is provided a computer readable storage medium having stored therein computer instructions which, when run on a computer, cause the computer to perform the method provided by the first aspect or any one of the possible implementations of the first aspect.
In a sixth aspect, there is provided a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method provided by the first aspect or any one of the possible implementations of the first aspect.
Drawings
FIG. 1 is a schematic diagram of a DRX mechanism;
fig. 2 is a schematic diagram of introducing a power saving signal WUS in a DRX mechanism;
fig. 3 is a schematic diagram of an application scenario according to an embodiment of the present application;
fig. 4 is a schematic flowchart of an RRM configuration method according to an embodiment of the present application;
fig. 5 is another schematic flowchart of an RRM configuration method according to an embodiment of the present application;
Fig. 6 is another schematic flowchart of an RRM configuration method according to an embodiment of the present application;
fig. 7 is another schematic diagram of an RRM configuration method according to an embodiment of the present application;
fig. 8 is another schematic diagram of an RRM configuration method according to an embodiment of the present application;
fig. 9 is a further schematic flow chart of an RRM configuration method according to an embodiment of the present application;
FIG. 10 is a schematic block diagram of an apparatus of an embodiment of the present application;
FIG. 11 is another schematic block diagram of an apparatus of an embodiment of the present application;
fig. 12 is yet another schematic block diagram of an apparatus of an embodiment of the present application.
Detailed Description
The technical scheme of the application will be described below with reference to the accompanying drawings.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
The technical scheme of the embodiment of the application can be applied to various communication systems, such as: 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), fifth generation (5th Generation,5G) systems, or New Radio (NR), etc.
The terminal device in the embodiment of the present application may refer to any one of the following: a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent, or a user equipment. The terminal device may also be a cellular telephone, a cordless telephone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a personal digital assistant (personal digital assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a 5G network or a terminal device in a future-evolving public land mobile network (public land mobile network, PLMN), etc., as embodiments of the application are not limited in this respect.
The network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be an evolved NodeB (eNB or eNodeB) in an LTE system, or may be a wireless controller in a cloud wireless access network (cloud radio access network, CRAN) scenario, or the network device may be a relay station, an access point, a vehicle device, a wearable device, a network device in a 5G network, or a network device in a PLMN network that evolves in the future, and the embodiment of the present application is not limited.
Before describing embodiments of the present application, concepts of DRX mechanisms, power saving signals, and RRM measurements are first described below.
1. DRX mechanism
The packet-based data stream is typically bursty, and when there is no data transmission, power consumption can be reduced by turning off the receiving circuit of the terminal device, thereby improving the battery life of the terminal device. That is, the origin of the discontinuous reception (discontinuous reception, DRX) mechanism.
A schematic diagram of the DRX mechanism is shown in fig. 1, where time is divided into successive DRX cycles (DRX cycles) in the time domain. The DRX cycle includes an active period (on duration) and a sleep period (opportunity for DRX). During the active period, the terminal device listens to and receives downlink signals (e.g., physical Downlink Control Channel (PDCCH)), and during the sleep period, the terminal device does not listen to and does not receive downlink signals, to save power consumption.
In the prior art, the working state of the DRX mechanism is divided into Idle-DRX (Idle-DRX) and Connected-DRX (Connected-DRX), the Idle-DRX refers to configuring a DRX cycle for a terminal device in an Idle state, and the Connected-DRX refers to configuring a DRX cycle for a terminal device in a Connected state. The present application relates only to connected DRX. For simplicity of description, the connected DRX will be simply referred to herein as DRX, in other words, the DRX mentioned below refers to connected DRX.
2. Power saving signal
In order to further reduce the power consumption of the terminal device, it has been proposed to introduce a power saving signal into the DRX. The power saving signal is configured by the network device to the terminal device based on the measurement requirements of the PDCCH. For example, when the terminal device needs to monitor the PDCCH during the active period of the next DRX cycle (or a part of the time in the active period), the network device instructs the terminal device to monitor the PDCCH during the active period of the next DRX cycle (or a part of the time in the active period) through the power saving signal; when the terminal device does not need to monitor the PDCCH in the activation period of the next DRX period, the network device indicates the terminal device to sleep in the activation period of the next DRX period through the power saving signal.
The configuration of the power saving signal may include the following two.
Configuration mode one of the power saving signal: the network device indicates whether the terminal device is dormant during the active period of the next DRX cycle through different state values of the power saving signal.
For example, the power saving signal has two status values of "0" and "1", which indicate that the terminal device sleeps during the active period of the next DRX cycle when the status value of the power saving signal is "0", and which indicate that the terminal device listens to the PDCCH during the active period of the next DRX cycle when the status value of the power saving signal is "1". Whether the terminal device is dormant during the active period of the next DRX cycle may be indicated by a power saving signal that is always present.
Configuration one can also be described as: the network device indicates whether the terminal device is dormant during the active period of the next DRX cycle through the always present power saving signal. In other words, the network device configures the power save signal for the terminal device whether the terminal device needs to monitor the PDCCH during the active period of the next DRX cycle.
Configuration mode II of the power saving signal: the network device indicates whether the terminal device is dormant during the active period of the next DRX cycle by whether to configure the power saving signal.
For example, the network device configures the power saving signal for the terminal device when the terminal device needs to monitor the PDCCH during the active period of the next DRX cycle, and does not configure the power saving signal for the terminal device when the terminal device does not need to monitor the PDCCH during the active period of the next DRX cycle. The terminal device is also aware of this indication. That is, on the terminal device side, when the power saving signal is detected, the PDCCH is monitored during the active period of the next DRX cycle, and when the power saving signal is not detected before the next DRX cycle arrives, the sleep is performed during the active period of the next DRX cycle. Alternatively, the situation described in the above example may be reversed.
Configuration II can also be described as: the network device indicates whether the terminal device is dormant during the active period of the next DRX cycle by the intermittently present power saving signal.
The network device may notify the terminal device of the configuration of the power saving signal by any of the following signaling: radio resource Control (Radio Resource Control, RRC) signaling, medium access Control element (Media Access Control-Control element, MAC-CE) signaling, downlink Control information (Downlink Control Information, DCI) signaling, or system information (System Information, SI).
The power saving signal may be a Wake-up signal (WUS) or a sleep signal (DTS). The power saving signal may also be other signals, for example, the power saving signal is any of the following: channel state information reference signals (channel state information reference signal, CSI-RS), demodulation reference signals (demodulation reference signal, DMRS), tracking reference signals (tracking reference signals, TRS), or synchronization signals/physical broadcast channel blocks (synchronization signal/physical broadcast channel block, SS/PBCH block).
The power saving signal may be a sequence signal or a data signal. When the power saving signal is a data signal, the power saving signal may be any one of the following: DCI, physical downlink shared channel (Physical Downlink Shared Channel, PDSCH), MAC-CE or RRC.
Is a sequence signal. The power saving signal may also be a PDCCH. Alternatively, the power saving signal may also configure the power saving signal for the network device as a sequence signal or PDCCH.
The network device may send the power save signal to the terminal device by any of the following signaling: RRC signaling, MAC-CE signaling.
In the scheme of introducing the power saving signal in the DRX mechanism, optionally, an association relationship between the DRX mechanism and the power saving signal may be configured by the network device and issued to the terminal device. For example, the configuration information may be carried in any of the following: physical broadcast channel (physical broadcast channel, PBCH), remaining minimum system information (remaining minimum system information, RMSI), system information block (system information block, SIB) 1, SIB2, SIB3, medium access control element (media access control-control element, MAC-CE), downlink control information (down link control information, DCI), radio resource control (radio resource control, RRC) and system information.
Alternatively, the association between the DRX mechanism and the power saving signal may be specified by a standard, or be agreed in advance by the network device and the terminal device.
Fig. 2 is a schematic diagram of introducing a power saving signal in the DRX mechanism, and in fig. 2, the power saving signal is taken as WUS as an example. As shown in fig. 2, when WUS is configured, the terminal device performs blind detection at a time corresponding to the DRX cycle, and if WUS is detected, wakes up the PDCCH detection module, and performs PDCCH detection during an active period of the DRX cycle; if WUS is not detected, the terminal device sleeps again until the active period of the next DRX cycle arrives.
As an example, when a value between the power saving signal and an offset value (offset) of an active period of the DRX cycle is fixed, the value of the offset may determine whether to transmit according to some cases.
Alternatively, whether to transmit the value of the offset may be determined according to the transmission of the uplink and downlink data.
For example, the power save signal may not be transmitted when it encounters a transmission opportunity of the uplink signal.
Alternatively, whether to transmit the power saving signal may also be determined according to whether there is a collision with the downlink signal that must be transmitted.
For example, when conflicting with an SSB, it is determined whether to transmit a power saving signal. When conflicting with SSB, the power saving signal may not be transmitted. When the terminal device does not receive the power saving signal, the terminal device needs to detect a data signal in an active period of the next DRX cycle or data in the next DRX cycle.
It will be appreciated that this may avoid the terminal device missing scheduling data for the network device.
Or the network device does not transmit the power save signal, nor does the terminal device detect the data signal in the active period of the next DRX cycle, or in the next DRX cycle.
The offset value between the power saving signal and the active period of the DRX cycle, or the location of the power saving signal, or the location of the active period in the DRX cycle, may also be varied.
As an example, one variation is to determine based on the presence or absence of a power saving signal; or according to the offset value (offset) of the power saving signal and the active period of the DRX cycle, which is changed along with the indication of the power saving signal; or vary depending on the presence of Pre-wake-up window.
The first variation is that the position of the power saving signal is fixed, the relative offset of the start position or offset position of the DRX cycle and the position of the power saving signal is varied, the relative offset of the start time of the active period (onDuration) and the position of the power saving signal is varied, and there may be no offset between the start position of the DRX cycle and the start position of the active period.
The second variation is that the position of the power saving signal is fixed, the starting position of the DRX cycle is fixed, and the relative offset of the starting time of the active period from the position of the power saving signal is variable. When the power saving signal indicates that the terminal equipment needs to perform measurement or synchronization, the offset value is offset1; when the power saving signal indicates that the terminal equipment does not need to perform measurement or synchronization, the offset value is offset2; offset1 = Offset2+ Delta Offset. The value of Delta _ offset may be configured or may be the same as the length of the measured reference signal duration. The value of delta_offset may be configured. The value of offset2 or offset1 or Delta offset may also be network device configured, or protocol specified or derived from parameters. The values of the network device configuration may be slot-based or symbol-based or subframe-based or frame-based. The value of this offset1 or offset2 or Delta may be some or all of the whole integers from 1 to 19. The offset value may be in any one of a frame, a subframe, a slot, or a symbol.
There may be K2 locations of the power saving signal. The value of K2 may be some or all of all integers from 1 to 64.
For example, the network device may configure the value of K2 to be 8, where 8 is a transmission configuration indication number of MAC-CE activated PDSCH.
As another example, the value of K2 may be the same as the number of indications of the number of transmission configurations of PDCCH or PDSCH configured by the network device through RRC signaling.
Alternatively, the network device may transmit the power save signal at the location of each of the configured power save signals, or may not transmit the power save signal at the location of one or more of the configured power save signals.
The location at which the power saving signal is transmitted may be configured by the network device. For example, the network device may configure an index of locations for the terminal device to transmit the power save signal.
There are a variety of configurations of the locations of these power saving signals.
For example, the location of the power saving signal is directly configured.
As another example, the location of the power saving signal may be indirectly configured, e.g., by a time offset, which may be an offset relative to the location of different slots, different frames, different symbols; alternatively, the time offset may be an offset relative to the position of different slots, the same frame, different symbols; alternatively, the time offset may be an offset relative to the position of the same slot, the same frame, and different symbols. The values of the time offsets may be the same or different. The time offset may be configured with a configuration of the power saving signal, and parameters of the configuration may include an index, period, and offset of the configuration signal. The time offset may also be configured with respect to the same one active period or starting position of the DRX cycle. The network device may configure multiple active power save signal locations or multiple transmit power save signal locations with the terminal device at the same time. The network device may set one or more primary signals for indicating whether the terminal device is to sleep during the active period of the next DRX cycle, and other power saving signals for measurements of the terminal device.
The network device configuration mentioned in the embodiments of the present application may be implemented by any one of the following: configuration by RRC signaling, configuration by MAC-CE signaling, configuration by DCI signaling, configuration by MAC-CE signaling and RRC signaling, configuration by MAC-CE signaling and DCI, configuration by RRC signaling and DCI signaling, configuration by RRC signaling and MAC-CE signaling and DCI signaling.
3. RRM measurement
For the purpose of Radio Resource Management (RRM), the network device configures the terminal device to perform radio resource measurements, which are called RRM measurements.
The measurement quantities to be measured in RRM measurement may include reference signal received power (reference signal receiving power, RSRP), reference signal received quality (reference signal receiving quality, RSRQ), signal to interference and noise ratio (signal to interference plus noise ratio, SINR) or reference signal strength indication (reference signal strength indicator, RSSI) of the synchronization signal block, etc. Alternatively, the measurement quantity may include RSRP, RSRQ, SINR of a channel state information reference signal (CSI-RS), RSSI, or the like. Alternatively, the measurement may be RSRP, RSRQ, SINR or RSSI of its reference signal, etc. Alternatively, the measurement quantity may be other measurement quantities, such as at least one of channel state information (channel status information, CSI), channel quality indication (channel quality indicator, CQI), precoding matrix indication (precoding matrix indicator, PMI), precoding type indication (precoding type indicator, PTI), diversity indication (RI), and CSI-RS resource index (CSI-RS index, CRI).
The synchronization signal block may also be referred to as a synchronization signal/physical broadcast channel (synchronization signal/physical broadcast channel block, SS/PBCH) block. The synchronization signal block may include at least one of: PBCH, primary synchronization signal (primary synchronization signal, PSS), secondary synchronization signal (secondary synchronization signal, SSS). The synchronization signal block may also be referred to as SSB or SS/PBCH block or SS block.
After performing the RRM measurement, the terminal device reports the measurement result to the network device when the reporting criteria are met. For example, the terminal device may issue a measurement report when the RSRP/RSRQ value of the SSB is greater than a threshold configured by the network device.
By way of example and not limitation, in RRM measurement of a terminal device in a connected state, the RRM measurement period specified by RAN4 (one working group responsible for standardization work of an LTE radio access network) is shown in tables 1 and 2. As shown in table 1, for the frequency band FR1, when the DRX cycle is not set or is less than 320ms, the minimum value of the RRM measurement period is 200ms. As shown in table 2, for the frequency band FR2, when the DRX cycle is not set or is less than 320ms, the minimum value of the RRM measurement period is 400ms.
TABLE 1 same frequency measured RRM measurement period (frequency FR 1)
In Table 1, max () represents the maximum function, f () represents the round-up function or the round-down function, e.g., f () is floor () or ceil (), K p Representing a constant determined according to frequency. RRM measurement time configuration based on synchronization signal blocks (SS block based RRM measurement timing configuration, SMTC) period represents the period of the RRM-based synchronization signal/physical broadcast channel block measurement timing configuration (SS/PBCH Block Measurement Timing Configuration, SMTC).
NOTE 1 indicates that if different SMTC periods are configured for different cells, the SMTC period in max () refers to the SMTC period of the identified cell.
TABLE 2 same frequency measured RRM measurement period (frequency FR 2)
In Table 2, max () represents the maximum function, f () represents the round-up function or the round-down function, e.g., f () is floor () or ceil (), K p Represents a constant determined according to frequency, M meas_period_w/o_gaps Represents a constant, K, determined according to the power type RLM Representing a constant determined from the measurement gap. NOTE 1 indicates that if different SMTC periods are configured for different cells, the SMTC period in max () refers to the SMTC period of the identified cell.
In general, RRM measurements require a certain measurement accuracy, which is referred to herein as RRM measurement accuracy. The RRM measurement accuracy is related to the number of measurement samples in the RRM measurement period. For example, RRM measurement accuracy may be expressed as that the measurement fluctuation width, which refers to the fluctuation width of the measurement power, does not exceed a certain value. For example, RRM measurement accuracy means that the measurement fluctuation amplitude does not exceed + -4dB, + -6dB or + -9dB. Wherein, the larger the number of measurement samples in one RRM measurement period, the smaller the measurement fluctuation amplitude, and the higher the RRM measurement accuracy, and vice versa. Thus, a certain RRM measurement accuracy may be considered to correspond to a certain number of measurement samples within the RRM measurement period. For example, to meet the RRM measurement accuracy, 5 measurement samples need to be measured within the RRM measurement period of 320 ms.
The number of measurement samples in one RRM measurement period, which can satisfy RRM measurement accuracy, may be referred to as the minimum number of measurements that satisfy RRM measurement accuracy.
The measurement samples represent the results of RRM measurements of one or more signals. For example, the result of RRM measurement of a signal can be regarded as a measurement sample. Alternatively, the result of RRM measurement of a plurality of signals may be regarded as one measurement sample. For another example, RRM measurements performed on all CSI-RS in a CSI-RS set may be calculated as a measurement sample. For another example, the result of RRM measurement by all SSBs in a field can be calculated as one measurement sample.
For example, the RRM measurement accuracy may be determined based on the measurement accuracy of the measurement quantity (as described above) in the RRM measurement.
As can be seen from the above, in order to meet the RRM measurement accuracy, in one RRM measurement period, the terminal device needs to perform a certain number of measurement samples in the RRM measurement period.
As described above, when the power saving signal is used, the number of times the terminal device sleeps in one RRM measurement period increases, which may result in a situation that the terminal device sleeps in a DRX period in which RRM measurement is required. This situation may reduce the measurement accuracy of RRM measurements.
As an example, as shown in fig. 3, assume that the DRX cycle is 40ms, the smtc cycle is 40ms, the rrm measurement cycle is 320ms, and 8 DRX cycles are included in the rrm measurement cycle. According to the requirement of measurement accuracy, 5 measurements are required to be performed in the RRM measurement period. Due to the indication of the power saving signal, the terminal device sleeps for 5 DRX cycles, wakes up for listening and measurement only for 3 DRX cycles, i.e. the terminal device performs only 3 measurements during the RRM measurement cycle, as shown in fig. 3. Accordingly, the RRM measurement shown in fig. 3 reduces the measurement accuracy of the RRM measurement.
Aiming at the problems, the embodiment of the application provides an RRM measurement scheme, which can improve the measurement accuracy of RRM measurement to a certain extent while considering the energy consumption of terminal equipment.
It should be understood that fig. 1 to 3, and the descriptions above in conjunction with fig. 1 to 3, are all exemplary descriptions given for better understanding of the embodiments of the present application, and are not limiting of the embodiments of the present application.
Fig. 4 is a schematic flowchart of an RRM measurement method 400 according to an embodiment of the present application. The method 400 may be performed by a terminal device or chip or integrated circuit. The method 400 includes the following steps.
At 410, RRM measurements are made during an active period of at least one DRX cycle that is indicated to be dormant by the network device during the RRM measurement period.
RRM measurements are made during active periods of at least one DRX cycle for which the network device is instructed to sleep, meaning that RRM measurements are made during active periods of one or more DRX cycles for which the network device is instructed to sleep. For example, the terminal device may make RRM measurements during an active period that selects any one or more DRX cycles for which the network device indicates sleep.
The network device indicates whether the terminal device sleeps in the active period of the DRX period according to the requirement of monitoring the PDCCH. For example, the network device instructs the terminal device to sleep during the active period of the DRX cycle when it is not required to monitor the PDCCH, and instructs the terminal device to wake during the active period of the DRX cycle when it is required to monitor the PDCCH.
The network device may instruct the terminal device to sleep or wake up during the active period of the DRX cycle via the power saving signal.
Optionally, as shown in fig. 1, the method 400 further includes: 420, receiving a power saving signal transmitted by the network device.
The power saving signal may include a wake-up signal (WUS) or a sleep signal (GTS) or a sequence signal. For the description of the power saving signal and the configuration of the power saving signal, see the foregoing, and the detailed description is omitted here.
The network device indicates to sleep in the active period of the DRX period, indicates the terminal device not to monitor the PDCCH in the active period of the DRX period, indicates to wake up in the active period of the DRX period, and indicates the terminal device to monitor and receive the PDCCH in the active period of the DRX period.
In the prior art, the terminal device sleeps in the active period of all DRX cycles that are instructed to sleep by the network device, if the number of DRX cycles that the terminal device sleeps in one RRM measurement cycle is greater, the number of RRM measurements performed is less, which may result in a decrease in the measurement accuracy of the RRM measurements.
In the embodiment of the application, the RRM measurement is carried out in the activation period of at least one DRX period of which the sleep is indicated by the network equipment, so that compared with the prior art, the RRM measurement times in the RRM measurement period can be increased, thereby being beneficial to improving the measurement accuracy of the RRM measurement.
The RRM measurement period in the embodiment of the present application may be configured by a network device. For example, the network device may configure the RRM measurement period for the terminal device by any one of the following: radio resource control (radio resource control, RRC) signaling, medium access control element (media access control-control element, MAC-CE) signaling, system information.
The size of the RRM measurement period may be determined according to the size of the DRX period. For example, the size of the RRM measurement period is determined in the manner described above in connection with table 1 or table 2.
The RRM measurement period may also be a multiple of the configuration parameter derivation. For example, one way of configuration parameter derivation is M1 x N1 x 4*T, where T represents the DRX cycle and M1 and N1 represent constants. For another example, the maximum value of the RRM measurement period may not exceed 10.24s.
The value of the multiple may be configured by the network device. For example, the value of the multiple may be any one of the whole or partial values of the integers 1 to 32. As an example, the network device may configure the value of the multiple according to the speed of the terminal device.
The network device may also configure the number of samples measured by the terminal device during the RRM measurement period, where the configurable values are some or all of the values 1,2,3,4,5,6,7, 8.
The network device may be configured by the measurement target when configuring the value of the multiple and/or the number of samples. For example, the network device configures the value of the multiple and/or the number of samples with the frequency of the SSB.
The active period of the DRX cycle in the embodiment of the present application represents the timing period of the DRX cycle. The active period of the DRX cycle may be denoted as On duration Time for a long DRX cycle and active Time for a short DRX cycle.
The RRM measurement in the embodiment of the present application, such as the RRM measurement described above, is not described herein.
Optionally, in some embodiments, step 410 includes: and carrying out RRM measurement in the activation period of X DRX cycles of which the network equipment indicates to sleep, wherein the value of X is such that the RRM measurement times in the RRM measurement cycle are not less than the minimum measurement times meeting the RRM measurement precision.
The number of RRM measurements in the RRM measurement period refers to the number of measurement samples in the RRM measurement period. The number of RRM measurements during the active period of the DRX cycle, which will be described below, refers to the number of measurement samples during the active period of the DRX cycle. Wherein the measurement samples represent results of RRM measurements of one or more signals. For example, the result of RRM measurement of a signal can be regarded as a measurement sample. Alternatively, the result of RRM measurement of a plurality of signals may be regarded as one measurement sample. For another example, RRM measurements performed on all CSI-RS in a CSI-RS set may be calculated as a measurement sample. For another example, the result of RRM measurement by all SSBs in a field can be calculated as one measurement sample.
The minimum number of measurements that satisfy the RRM measurement accuracy refers to the minimum number of measurement samples that need to be measured in the RRM measurement period in order to satisfy the RRM measurement accuracy. As described above, the RRM measurement accuracy may be determined according to the measurement accuracy of the measurement quantity of the RRM measurement.
The minimum number of measurements to meet RRM measurement accuracy may be preconfigured by the network device or may be specified by a protocol. For example, the minimum number of measurements that satisfies the RRM measurement accuracy is any one of 8, 7, 6, 5, 4, 3, 2, or 1.
The minimum measurement times mentioned below all refer to the minimum measurement times satisfying the RRM measurement accuracy.
Optionally, in this embodiment, the value of X is also determined according to specific requirements.
According to the embodiment of the application, the RRM measurement is carried out in the activation period of at least one DRX period of which the sleep is indicated by the network equipment, so that the RRM measurement times in the RRM measurement period are not less than the minimum measurement times meeting the RRM measurement precision, and the measurement precision of the RRM measurement can be effectively improved.
Optionally, in some embodiments, step 410 comprises: RMM measurements are made during the RRM measurement period during which all DRX cycles are active, which are indicated to sleep by the network device.
The embodiment of the application can improve the measurement accuracy of RRM measurement to a great extent.
Optionally, as shown in fig. 5, in some embodiments, the method 400 includes the following steps.
At 410, RRM measurements are made during an active period of at least one DRX cycle that is indicated to be dormant by the network device during the RRM measurement period.
430, dormancy is performed during an active period of the DRX cycle, during which the network device indicates dormancy, except for at least one DRX cycle.
In other words, in the embodiment of the present application, the terminal device sleeps during the active period of the DRX cycle, a part of which is instructed to sleep by the network device, and RRM measurement is performed during the active period of the DRX cycle, another part of which is instructed to sleep by the network device.
In the embodiment of the application, the RRM measurement is carried out in the activation period of the DRX period of which the part is indicated to be dormant by the network equipment, compared with the prior art, the RRM measurement times in one RRM measurement period can be increased, so that the measurement precision of the RRM measurement can be improved to a certain extent; in addition, by hibernating during another portion of the active period of the DRX cycle that is indicated to be dormant by the network device, the power consumption of the terminal device can be reduced.
In embodiments of the present application, RRM measurements may be performed in a number of ways during at least one active period of a DRX cycle that is indicated to be dormant by the network device.
Alternatively, as a first implementation, as shown in fig. 6, step 410 includes the following steps 411a and 412a.
411a, in the RRM measurement period, the counter value K is decremented by L1, L1 being an integer, each time a DRX cycle is present in which the network device indicates wakeup.
The initial value of the count value K is less than or equal to the number of DRX cycles included in the RRM measurement period. For example, if the RRM measurement period includes 8 DRX periods, the initial value of the count value K may be 5 or 6 or 7.
Optionally, the initial value of the count value K of the counter is equal to the number of DRX cycles required for the minimum number of measurements.
The manner of acquiring the initial value of the count value K of the counter and the manner of determining the value of L1 will be described below.
The initial value of the counting value K is N, and the value of N can be calculated through the following steps.
Step 1), obtaining the average measurement times S in each DRX period in the RRM measurement period.
When the number of measurements per DRX cycle in the RRM measurement period is the same, S is equal to the number of measurements for any one of the RRM measurement periods.
When the number of measurements of different DRX cycles in the RRM measurement period is different, the average number of measurements S in the RRM measurement period may be estimated.
For example, the average measurement number of Y DRX cycles in the RRM measurement period is taken as the value of S, Y being smaller than the total number of all DRX cycles included in the RRM measurement period. For example, the value of S is determined according to the following formula.
S=f1(M1/Y),
Where M1 represents the total number of measurements for Y DRX cycles. f1 (M1/Y) may be any of the following functions: floor (M1/Y), ceil (M1/Y), or M1/Y. The function floor () represents a round-down, or round-down, i.e., floor (M1/Y) represents a maximum integer that is not greater than the quotient of M1 and Y. The function ceil () represents an upward rounding, i.e., ceil (M1/Y) represents a minimum integer that is not less than the quotient of M1 and Y1. It should be understood that in the case where M1 and Y are divisible, f1 (M1/Y) may be M1/Y, otherwise it should be floor (M1/Y) or ceil (M1/Y).
For example, the Y DRX cycles may be the last Y DRX cycles in the RRM measurement cycle, or may be Y DRX cycles at other positions in the RRM measurement cycle. For another example, Y is equal to 1.
And 2) calculating the value of N according to the minimum measurement times and the average measurement times. The minimum measurement times can be configured to the terminal equipment by a network or can be regulated by a protocol.
For example, the value of N is determined according to the following formula.
N=f(M/S),
Where M represents the minimum number of measurements. f (M/S) may be any of the following functions: floor (M/S), ceil (M/S), or M/S. The function floor () represents a round-down, or round-down, i.e., floor (M/S) represents a maximum integer that is not greater than the quotient of M and S. The function ceil () represents an upward rounding, i.e., ceil (M/S) represents a minimum integer that is not less than the quotient of M and S. It should be understood that in the case where M and S are divisible, f (M/S) may be M/S, otherwise, it should be floor (M/S) or ceil (M/S).
The determination of the value of N by calculation is described above.
Alternatively, the value of N may also be determined according to an empirical value, for example, assuming that 8 DRX cycles are included in one RRM measurement period, it is empirically specified that RRM measurements need to be performed during an active period of 5 DRX cycles, i.e. N is equal to 5.
Alternatively, when the number of measurements of each DRX cycle in the RRM measurement period is the same, the value of N may be determined in a computational manner; when the measurement times of different DRX periods in the RRM measurement period are different, the value of N can be determined in an empirical mode.
The value of N may be reported by the terminal device to the network device. Alternatively, the value of N may be configured by the network device to the terminal device.
The value of L1 depends on the following.
In case one, when the number of RRM measurements of the active period of each DRX cycle is the same in the RRM measurement period, L1 is equal to 1.
And secondly, when the RRM measurement times of the activation periods of different DRX periods in the RRM measurement period are different, determining the value of L1 according to the RRM measurement times of the activation periods of the DRX periods which are instructed to wake up by the network equipment and the RRM measurement times of the activation periods of the last K DRX periods in the RRM measurement periods.
In case two, L1 is equal to 0 when the number of RRM measurements of the active period of the DRX cycle indicated to wake up is less than the number of RRM measurements of the active period of the K-th DRX cycle; when the number of RRM measurements of the active period of the DRX cycle indicated to be awake is equal to or greater than the number of RRM measurements of the active period of the K-th DRX cycle, L1 is equal to 1, or L1 is an integer greater than 1.
For example, the number of RRM measurements in the K-last DRX period is denoted as a1, the number of RRM measurements in the K-1-last DRX period is denoted as a2, the number of RRM measurements in the K-2-last DRX period is denoted as a3, and the number of RRM measurements in the DRX period indicated to wake up by the network device is denoted as b. When b is smaller than a1, L1 is equal to 0. When b is equal to a1, L1 is equal to 1. When b is greater than a1, L1 is equal to or greater than 1. For another example, in the case where b is greater than a1, when b is less than the sum of a1 and a2, L1 is equal to 1; when b is equal to the sum of a1 and a2, L1 may be equal to 2; when b is greater than the sum of a1 and a2, L1 may be equal to or greater than 2. For another example, in the case where b is greater than the sum of a1 and a2, when b is less than the sum of a1, a2, and a3, L1 is equal to 2; when b is equal to the sum of a1, a2 and a3, L1 is equal to 3; when b is greater than the sum of a1, a2, and a3, L1 may be equal to or greater than 3. And so on, are not enumerated.
Optionally, in the second case, another implementation manner of determining the value of L1 is to determine the value of L1 according to the RRM measurement number b in the DRX cycle instructed to wake up and the average measurement number c in the K last DRX cycles. When b is less than c, L1 is equal to 0. When b is equal to c, L1 is equal to 1. When b is greater than c, L1 is greater than 1, e.g., L1 is equal to floor (b/c), which represents a rounding down of the quotient of b and c.
412a, when the number of unreachable DRX cycles within the RRM measurement period is equal to the value of K, performing RRM measurement during the active period of each of K DRX cycles, which are the inverse of the RRM measurement period, including the DRX cycle for which dormancy is indicated by the network device.
It is to be appreciated that after step 412a is completed, the number of RRM measurements in the K last DRX cycle and the number of RRM measurements in the DRX cycle preceding the K last DRX cycle in the RRM measurement cycle are equal to or greater than the minimum number of measurements.
After step 412a is completed, the inverse K DRX cycles in the RRM measurement period may include any one or more of the following: the DRX cycle of sleep is indicated by the network device, the DRX cycle of wake is indicated by the network device, and the DRX cycle of sleep or wake is not indicated by the network device. The DRX cycles in which RRM measurements are made in the DRX cycle preceding the K last DRX cycle of the RRM measurement cycles are all DRX cycles for which the network device indicates to wake up.
Fig. 7 is a specific example of the embodiment shown in fig. 6. In fig. 7, the number of RRM measurements per DRX cycle in the RRM measurement period is the same. The RRM measurement period is equal to 320ms, the DRX period is equal to 40ms, one RRM measurement period includes 8 DRX periods, and the number of RRM measurements per DRX period is 1. The network device instructs the terminal device to sleep or wake up during the active period of the DRX cycle by the power save signal, as shown in fig. 7, the DRX cycle marked with the "sleep" flag indicates the DRX cycle that is instructed to sleep by the power save signal. Assuming that the initial value N of the count value K is equal to 5, the manner of implementing RRM measurement in the activation periods of K DRX cycles, which are the inverse of the RRM measurement period, is as follows:
The 1 st DRX cycle is instructed to wake up, subtracting 1 from the value of K to update 4; the 2 nd DRX period is indicated to sleep, and the value of K is maintained to be 4; the 3 rd DRX period is indicated to sleep, and the value of K is maintained to be 4; the 4 th DRX period is instructed to wake up, and the value of K is reduced by 1 to be updated to 3; and the 5 th DRX period is indicated to be dormant, the value of K is maintained to be 3, at this time, the number of the unreached DRX periods in the RRM measurement period is 3, namely, the number of the unreached DRX periods is equal to the value of K, and the RRM measurement is carried out in the last 3 DRX periods of the RRM measurement period.
As in fig. 7, in the present embodiment, although the 6 th and 8 th DRX cycles are indicated as sleep, the terminal device performs RRM measurement during the active periods of the 6 th and 8 th DRX cycles.
In the embodiment shown in fig. 7, in the case of satisfying the RRM measurement accuracy, the power consumption of the terminal device may also be reduced.
Fig. 8 is another specific example of the embodiment shown in fig. 6. In fig. 8, the RRM measurement period is equal to 320ms, the DRX period is equal to 40ms, and 8 DRX periods are included in one RRM measurement period. The RRM measurement times of different DRX cycles are not identical, the measurement times of the 1 st, 3 rd, 5 th and 7 th DRX cycles are 2, and the measurement times of the 2 nd, 4 th, 6 th and 8 th DRX cycles are 1. The network device instructs the terminal device to sleep or wake up during the active period of the DRX cycle by the power save signal, as shown in fig. 8, the DRX cycle marked with the "sleep" flag indicating the DRX cycle to sleep is indicated by the power save signal. Assuming that the initial value N of the count value K is equal to 5, the manner of implementing RRM measurement in the activation periods of K DRX cycles, which are the inverse of the RRM measurement period, is as follows:
The 1 st DRX cycle is instructed to wake up, the number of measurements of the active period of the awakened DRX cycle is 2, the number of measurements of the K-th (where the value of K is 5) DRX cycle is 1, the number of measurements of the K-1-th DRX cycle is 1, at which time the value of K may be subtracted by 2, i.e. the value of K is updated to 3. At this time, the number of unprocessed DRX cycles in the RRM measurement period is 7.
The 2 nd DRX cycle is indicated to sleep, and the value of K is maintained to be 3, and at this time, the number of unprocessed DRX cycles in the RRM measurement period is 6. The 3 rd DRX cycle is indicated to sleep, the value of K is maintained to be 3, and the number of unprocessed DRX cycles in the rrm measurement period is 5.
The 4 th DRX cycle is instructed to wake up, the number of measurements of the active period of the wake-up DRX cycle is 1, the number of measurements of the K-th (where the value of K is 3) DRX cycle is 1, at which time the value of K may be decremented by 1, i.e. the value of K is updated to 2, at which time the number of unprocessed DRX cycles in the RRM measurement cycle is 4.
The 5 th DRX cycle is indicated to sleep, and the value of K is maintained to be 2, and at this time, the number of unprocessed DRX cycles in the RRM measurement period is 3.
The 6 th DRX cycle is indicated to sleep, the value of K is maintained to be 2, and at this time, the number of unprocessed DRX cycles in the RRM measurement cycle is 2, that is, the number of unprocessed DRX cycles in the RRM measurement cycle is equal to the value of K, where RRM measurement is determined to be performed in the last 2 DRX cycles of the RRM measurement cycle.
As in fig. 8, in the present embodiment, although the 8 th DRX cycle is indicated as sleep, the terminal device performs RRM measurement during the active period of the 8 th DRX cycle.
In the embodiment shown in fig. 8, in the case of satisfying the RRM measurement accuracy, the power consumption of the terminal device may also be reduced.
Therefore, the embodiment of the application can also reduce the energy consumption of the terminal equipment under the condition of ensuring the measurement accuracy of RRM measurement to a great extent.
In some cases, RRM measurements are not performed during the last DRX cycle of the RRM measurement period. For this case, step 412a in the embodiment shown in fig. 6 may be replaced with: when the number of the unreached DRX cycles is equal to the value of K except the last DRX cycle in the RRM measurement cycle, the RRM measurement is carried out in the activation period from the last K+1 DRX cycles to the last second DRX cycles of the RRM measurement cycle. For example, the k+1 last DRX cycle to the second last DRX cycle includes a DRX cycle for which dormancy is indicated by the network device.
Alternatively, as a second implementation, as shown in fig. 9, step 410 includes the following steps 411b and 412b.
411b, in the RRM measurement period, whenever a DRX cycle indicated to be awake by the network device occurs, the value of the counter value R is decremented by L2, where L2 is equal to the number of RRM measurements of the active period of the DRX cycle indicated to be awake, and the initial value of the counter value R is the number of RRM measurements in the RRM measurement period.
Alternatively, the initial value of the count value R of the counter is equal to the minimum number of measurements that satisfy the RRM measurement accuracy.
412b, when the sum of the RRM measurement times in the reciprocal G DRX periods which are not reached in the RRM measurement period is equal to or greater than the value of R, and the sum of the RRM measurement times in the reciprocal G-1 DRX periods is equal to or less than the value of R, performing RRM measurement in the active periods of the reciprocal G DRX periods, wherein the reciprocal G DRX periods include the DRX period which is indicated to be dormant by the network device.
It is to be appreciated that after step 412b is completed, the number of RRM measurements in the last G DRX cycles and the number of RRM measurements in the DRX cycles preceding the last G DRX cycles in the RRM measurement cycle are equal to or greater than the minimum number of measurements.
After step 412b is completed, the reciprocal G DRX cycles in the RRM measurement period may include one or more of the following: the DRX cycle of sleep is indicated by the network device, the DRX cycle of wake is indicated by the network device, and the DRX cycle of sleep or wake is not indicated by the network device. The DRX cycles in which RRM measurements are made in the DRX cycle preceding the G last DRX cycle in the RRM measurement cycle are all DRX cycles for which wake-up is indicated by the network device.
The embodiment can also reduce the energy consumption of the terminal equipment under the condition of meeting the RRM measurement accuracy to a large extent.
It should be appreciated that step 410 may be implemented by the second implementation regardless of whether the number of RRM measurements for each DRX cycle is the same within the RRM measurement period.
In some cases, RRM measurements are not performed during the last DRX cycle of the RRM measurement period. For this case, step 412b in the embodiment shown in fig. 9 may be replaced with: when the sum of the RRM measurement times in the unreachable last G+1 to last DRX periods is equal to or larger than the value of R and the sum of the RRM measurement times in the last G to last DRX periods is equal to or smaller than the value of R, the RRM measurement is carried out in the activation period of the last G+1 to last DRX periods. For example, the penultimate g+1 to penultimate DRX cycles include DRX cycles for which dormancy is indicated by the network device.
Alternatively, as another implementation, step 410 includes: when the number of DRX cycles in the RRM measurement period for which sleep has been indicated by the network device reaches a threshold, RRM measurements are made during the active period of the DRX cycles for which non-arriving network devices indicate sleep within the RRM measurement period.
The threshold is less than the total number of all DRX cycles included in the RRM measurement period. For example, the total number of all DRX cycles included in the RRM measurement period is 8, and the threshold may be 2 or 3.
The threshold may be pre-configured or may be dependent on specific needs.
The threshold may be configured to the terminal device by the network device, or may be reported to the network device by the terminal device.
In some cases, RRM measurements are not performed during the last DRX cycle of the RRM measurement period. For this case, in the present embodiment, step 410 may be replaced with: when the number of DRX cycles in the RRM measurement period, which have been indicated to be dormant by the network device, reaches a threshold, RRM measurements are made during the active periods of the DRX cycles in which the network device, excluding the last DRX cycle, has not arrived.
It should be understood that when the measurement result of the RRM measurement performed by the terminal device satisfies a certain event, the terminal device may report the measurement result to the network device. When the terminal equipment prepares to report the measurement result, if there is an available uplink resource, the measurement result can be reported by using the uplink resource, and if there is no available uplink resource, the terminal equipment sends a scheduling request (scheduling request, SR) to the network equipment to request the uplink resource.
The RRM measurement in the embodiment of the present application may include at least one of the following: RRM measurement, measurement result reporting, and configuration of reference signals.
As an example, RRM measurement in the embodiment of the present application includes measurement result reporting.
Optionally, in some embodiments, the method 400 provided by the embodiment of the present application further includes: and reporting the measurement result in the activation period or other time of the last K DRX period of the RRM measurement period.
In this embodiment, the value of K may be any or all of 1,2,3,4,5,6,7,8,9, and 10. The value of K may be configured, may be protocol-specified, or may be derived from certain parameters.
As an example, assuming that the value of K is 1, the terminal device reports the measurement result during the active period of the last (i.e., last) DRX cycle of the RRM measurement period. The activation period in the DRX period is used for reporting the measurement result of RRM measurement to the network equipment or sending a resource scheduling request to the network equipment for reporting the measurement result. The active period in the DRX cycle may be an onduration timer period in the DRX cycle, or an inactive timer period, or a period defined in other manners in the DRX cycle.
After the terminal device completes the RRM measurement, when the DRX cycle for which the last RRM measurement is performed is a DRX cycle that is indicated by the network device to be not dormant, the terminal device may report the measurement result on the active period of the DRX cycle.
After the terminal device completes the RRM measurement, when the DRX cycle in which the last RRM measurement is performed is the DRX cycle in which the network device indicates sleep, the terminal device may report the measurement result during the active period of the DRX cycle, may report the measurement result during the active period of the next DRX cycle, may report the measurement result during the active period of the K last DRX cycle in the RRM measurement cycle, may report the measurement result during the DRX cycle in the next measurement cycle, or may report the wake-up time of the terminal device in the next measurement cycle, or may report the active period of the DRX cycle which is wake-up at any time after the last RRM measurement is completed. The DRX cycle or the time reported in the DRX cycle may be configured by the network device, may be derived by the terminal device, or may be specified by a protocol.
When the terminal equipment prepares to report the measurement result, if the available uplink resource exists, the terminal equipment reports the measurement result of RRM measurement to the network equipment. When the terminal device is ready to report the measurement result, if there is no uplink resource available, a scheduling request (scheduling request, SR) is reported to the network device to request the uplink resource.
Optionally, the network device may configure uplink resources on the DRX cycle of reporting the measurement result by the terminal device, for reporting the measurement result, or configure uplink control resources for application of the scheduling request.
The time domain position of the uplink resource may be the active period of the reported DRX cycle, or may be another separate period of time within the DRX cycle.
The DRX cycle in this embodiment may be a DRX cycle that is indicated by the network device to sleep during the active period, or may be a DRX cycle that is indicated by the network device to not sleep during the active period.
The uplink resource in this embodiment may be a PUSCH resource, a PUCCH resource, or a RACH resource.
Optionally, when the terminal device reports the measurement result, the speed of the terminal device and the measurement result may be reported together. The terminal device may also report the number of samples measured together with the measurement result.
Optionally, one way of reporting is reporting the measurement result of the measurement quantity. As an example, the following is shown.
Alternatively, another reporting mode is reporting with the reference signal. As an example, the following is shown.
Optionally, a further reporting mode is reporting with the measurement cell identity. As an example, the following is shown.
The aforementioned Range of speeds of the terminal equipment (also referred to as the speed Range of the terminal equipment) (ue speed-Range) may be some or all of the following values:
0. 1,2,3,4,5,6,7,8, 9, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, or 135.
Wherein 0 represents rest, 3 to 7 represent walking speed, 10 to 20 represent riding speed, 30 to 120 represent speed of an automobile, and 120 or more represent speed of a high-speed railway or train.
The unit of the speed of the terminal equipment can be kilometers per hour or meters per second.
Optionally, the terminal device may also report the number of measurements in the RRM measurement period. For example, the number of measurements may be any of the following: 1,2,3,4,5,6,7,8.
The manner in which the terminal device reports the number of measurements may be the same as the manner in which the speed of the terminal device is reported as described above.
Optionally, the terminal device may also report the period of performing RRM measurements. The period may be a value of some or all of 1,2,3,4,5,6,7,8, 9, 10, 11, 12, 13, 14, 15, 16 times the RRM measurement period currently used by the terminal device.
The manner in which the terminal device reports the period may be the same as the manner in which the speed of the terminal device is reported as described above.
The network device may configure SR resources or random access channel (Random Access Channel, RACH) resources for the terminal device for scheduling resource requests.
For example, the SR resource or RACH resource may be activated according to the number of DRX cycles in which the terminal device sleeps within the RRM measurement period. For example, when the number of DRX cycles in which the terminal device sleeps during the RRM measurement period is greater than a preset threshold, the terminal device may activate the SR resource or RACH resource during the activation period of the last DRX cycle of the RRM measurement period. For example, the active period of the last DRX cycle of the RRM measurement period may be used to configure reporting resources, or to send reporting requests, or to send uplink scheduling requests.
Optionally, the network device may also configure an index of the DRX cycle that the terminal device reports, where the index is an index in the RRM measurement period. In other words, the network device may instruct the terminal device to report the measurement result or report the scheduling request during the active period of a certain DRX cycle of the RRM measurement period through the index in the RRM measurement period. For example, the network device indicates, through the index in the RRM measurement period, the terminal device to report the measurement result during the active period of the last DRX cycle of the RRM measurement period.
Optionally, the network device may add a reference signal in the DRX cycle in order for the terminal device to make RRM measurements.
For example, the reference signal may be added in the last or last K DRX cycles of the RRM measurement period, and the number of RRM measurements may be increased when the terminal device performs RRM measurements in the last or last K DRX cycles.
In the embodiment of the application, the network equipment can increase the measurement times of RRM measurement by the terminal equipment by increasing the number of the reference signals in the DRX period.
In the embodiment of the application, the measurement quantity of RRM measurement can be SSB in SMTC or CSI-RS.
When the measured quantity of RRM measurement is SSB in SMTC, the configuration of the SMTC by the network device may be cell-based, frequency-based, beam-based, or both. When SMTC is cell-based, the entire SMTC may be configured based on the cell, the offset of the SMTC may be configured based on the cell, the period of the SMTC may be configured based on the cell, the duration of the SMTC may be configured based on the cell, the period and offset in the SMTC may be configured based on the cell, the offset and duration of the SMTC may be configured based on the cell, and the period and duration of the SMTC may be configured based on the cell. Cell-based configuration means that each cell has one or a set of individual configuration parameters or each cell has one or a set of individual configuration parameters. One method of configuration is [ PCI1, SMTC offset1, SMTC duration1]. Where PCI1 represents a physical cell ID or other cell ID. The ID is an identification. The configuration parameters of SMTC may be added to the intelfreqneigcellinfo or intrafreqneigcellinfo. The configuration parameters may be any of those exemplified above.
When the measurement quantity measured by the RRM is the CSI-RS, the network equipment can also configure a measurement window of the CSI-RS. The measurement window may include a duration, a period, and an offset of the CSI-RS. The duration may be any of 1ms,2ms,3ms,4ms,5 ms. The period of the measurement window may be any one of 4ms,5ms,10ms,20ms,40ms,80ms,160 ms. The window of the CSI-RS may be configured on a cell basis, on a frequency basis, or on a beam basis. The frequency-based configuration may be based on the granularity of the ARFCN.
As can be seen from the foregoing, in the embodiment of the present application, by performing RRM measurement during the active period of at least one DRX cycle that is indicated to be dormant by the network device, compared with the prior art, the number of measurements of RRM measurement can be increased, so that the measurement accuracy of RRM measurement can be improved, and meanwhile, the energy consumption of the terminal device can be reduced.
The various embodiments described herein may be separate solutions or may be combined according to inherent logic, which fall within the scope of the present application.
The method embodiments of the present application are described above, and the device embodiments corresponding to the above method embodiments will be described below. It should be understood that the descriptions of the apparatus embodiments and the descriptions of the method embodiments correspond to each other, and thus, descriptions of details not described may refer to the foregoing method embodiments, which are not repeated herein for brevity.
As shown in fig. 10, an embodiment of the present application provides an apparatus 1000, the apparatus 1000 including the following units.
A processing unit 1010 is configured to perform RRM measurement during an active period of at least one DRX cycle for which the network device is instructed to sleep during a RRM measurement period.
In the embodiment of the application, the RRM measurement is carried out in the activation period of at least one DRX period of which the sleep is indicated by the network equipment, so that compared with the prior art, the RRM measurement times in the RRM measurement period can be increased, thereby being beneficial to improving the measurement accuracy of the RRM measurement.
Optionally, in some embodiments, the network device indicates to sleep during the active period of the DRX cycle when it is not required to monitor the physical downlink control channel PDCCH, and indicates to wake during the active period of the DRX cycle when it is required to monitor the PDCCH.
Optionally, in some embodiments, the network device indicates to sleep or wake up during an active period of the DRX cycle via a power save signal. For example, the apparatus 1000 further comprises a receiving unit 1020 for receiving a power saving signal transmitted by a network device.
Optionally, in some embodiments, the processing unit 1010 is configured to perform RRM measurement during an active period of X DRX cycles for which the network device indicates to sleep, where the value of X is such that the number of RRM measurements in the RRM measurement period is not less than the minimum number of measurements that satisfies the RRM measurement accuracy.
Optionally, in some embodiments, the processing unit 1010 is further configured to sleep during an RRM measurement period during an active period of a DRX cycle that is indicated to sleep by the network device other than the at least one DRX cycle.
Optionally, in some embodiments, the processing unit 1010 is to: in the RRM measurement period, whenever a DRX period which is indicated to wake up by the network equipment occurs, subtracting L1 from the count value K of the counter, wherein L1 is an integer, and the initial value of the count value K is smaller than or equal to the number of DRX periods included in the RRM measurement period; when the number of the unreached DRX cycles in the RRM measurement period is equal to the value of K, the RRM measurement is carried out in the activation period of K DRX cycles which are the inverse of the RRM measurement period, and the K DRX cycles comprise the DRX cycles which are indicated to be dormant by the network equipment.
Optionally, in some embodiments, the number of RRM measurements of the active period of each DRX cycle is the same, and L1 is equal to 1.
Optionally, in some embodiments, the RRM measurement period is different from the RRM measurement period of the active period of the different DRX cycles, and the value of L1 is determined according to the RRM measurement period of the active period of the DRX cycle indicated to wake up by the network device and the RRM measurement period of the active period of the K-last DRX cycle in the RRM measurement periods.
When the number of RRM measurements of the active period of the DRX cycle indicated to be awake is less than the number of RRM measurements of the active period of the K-last DRX cycle, L1 is equal to 0; when the number of RRM measurements of the active period of the DRX cycle indicated to be awake is equal to or greater than the number of RRM measurements of the active period of the K-th DRX cycle, L1 is equal to 1, or L1 is an integer greater than 1.
Optionally, in some embodiments, an initial value of the count value K of the counter is equal to a number of DRX cycles required to meet a minimum number of measurements of RRM measurement accuracy.
Optionally, in some embodiments, the processing unit 1010 is to: in the RRM measurement period, whenever a DRX period indicated to be awake by the network equipment occurs, subtracting L2 from the value of a count value R of a counter, wherein L2 is equal to the RRM measurement times of the activation period of the DRX period indicated to be awake, and the initial value of the count value R of the counter is the RRM measurement times in the RRM measurement period; when the sum of the RRM measurement times in the count-down G DRX periods which are not reached in the RRM measurement period is equal to or larger than the value of R, and the sum of the RRM measurement times in the count-down G-1 DRX periods is equal to or smaller than the value of R, the RRM measurement is carried out in the activation period of the count-down G DRX periods, and the count-down G DRX periods comprise the DRX period which is indicated to be dormant by the network equipment.
Optionally, in some embodiments, the processing unit 1010 is configured to perform the RRM measurement when the number of DRX cycles in the RRM measurement period that have been indicated to be dormant by the network device reaches a threshold, and the network device that does not arrive within the RRM measurement period indicates an activation period of the DRX cycle to be dormant.
Optionally, in some embodiments, the processing unit 1010 is configured to perform RMM measurement during an RRM measurement period during an active period of all DRX cycles for which the network device indicates sleep.
Optionally, in some embodiments, the apparatus 1000 further comprises: and a sending unit 1020, configured to report a measurement result of the RRM measurement to the network device or send a resource scheduling request to the network device in a last DRX cycle of the RRM measurement cycle.
It is to be appreciated that the processing unit 1010 may be implemented with a processor or processor-related circuitry. The receiving unit 1020 may be implemented by a receiver or receiver related circuitry. The transmitting unit 1030 may be implemented by a transmitter or transmitter-related circuitry.
As shown in fig. 11, an embodiment of the present application further provides an apparatus 1100, where the apparatus 1100 includes a processor 1110, a memory 1120, and a transceiver 1130, where the memory 1120 stores instructions or programs, and the processor 1110 is configured to execute the instructions or programs stored in the memory 1120. When executed, the processor 1110 is configured to perform the operations performed by the processing unit 1010 in the above embodiment, and the transceiver 1130 is configured to perform the operations performed by the transmitting unit 1030 in the above embodiment.
It should be understood that the apparatus 1000 or the apparatus 1100 provided by the embodiments of the present application may correspond to the terminal device in the embodiments of the method, and the operations and/or functions of each module in the terminal device or the apparatus 1100 are respectively for implementing the corresponding flow of each method described above, which is not described herein for brevity.
The embodiment of the application also provides a device which can be terminal equipment or an integrated circuit or a chip. The apparatus may be configured to perform the actions performed by the terminal device in the above-described method embodiments.
Fig. 12 shows a simplified schematic diagram of the structure of a terminal device when the device is a terminal device. For easy understanding and convenient illustration, in fig. 12, a mobile phone is taken as an example of the terminal device. As shown in fig. 12, the terminal device includes a processor, a memory, a radio frequency circuit, an antenna, and an input-output device. The processor is mainly used for processing communication protocols and communication data, controlling the terminal equipment, executing software programs, processing data of the software programs and the like. The memory is mainly used for storing software programs and data. The radio frequency circuit is mainly used for converting a baseband signal and a radio frequency signal and processing the radio frequency signal. The antenna is mainly used for receiving and transmitting radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, keyboards, etc., are mainly used for receiving data input by a user and outputting data to the user. It should be noted that some kinds of terminal apparatuses may not have an input/output device.
When data need to be sent, the processor carries out baseband processing on the data to be sent and then outputs a baseband signal to the radio frequency circuit, and the radio frequency circuit carries out radio frequency processing on the baseband signal and then sends the radio frequency signal outwards in the form of electromagnetic waves through the antenna. When data is sent to the terminal equipment, the radio frequency circuit 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, and the processor converts the baseband signal into data and processes the data. For ease of illustration, only one memory and processor is shown in fig. 12. In an actual end device product, there may be one or more processors and one or more memories. The memory may also be referred to as a storage medium or storage device, etc. The memory may be provided separately from the processor or may be integrated with the processor, as the embodiments of the application are not limited in this respect.
In the embodiment of the application, the antenna and the radio frequency circuit with the receiving and transmitting functions can be regarded as a receiving and transmitting unit of the terminal equipment, and the processor with the processing function can be regarded as a processing unit of the terminal equipment. As shown in fig. 12, the terminal device includes a transceiving unit 1210 and a processing unit 1220. The transceiver unit may also be referred to as a transceiver, transceiver device, etc. The processing unit may also be called a processor, a processing board, a processing module, a processing device, etc. Alternatively, the device for implementing the receiving function in the transceiver unit 1210 may be regarded as a receiving unit, and the device for implementing the transmitting function in the transceiver unit 1210 may be regarded as a transmitting unit, that is, the transceiver unit 1210 includes a receiving unit and a transmitting unit. The transceiver unit may also be referred to as a transceiver, transceiver circuitry, or the like. The receiving unit may also be referred to as a receiver, or receiving circuit, among others. The transmitting unit may also sometimes be referred to as a transmitter, or a transmitting circuit, etc.
It should be understood that, the transceiver unit 1210 is configured to perform the transmitting operation and the receiving operation on the terminal device side in the above-described method embodiment, and the processing unit 1220 is configured to perform other operations on the terminal device other than the transmitting operation in the above-described method embodiment.
For example, in one implementation, the processing unit 1220 is configured to perform step 410 in fig. 4, and/or the processing unit 1220 is further configured to perform other processing steps on the terminal device side in an embodiment of the present application. The transceiver unit 1210 is further configured to perform step 420 in fig. 4, and/or the transceiver unit 1210 is further configured to perform other transceiver steps on the terminal device side in the embodiment of the present application.
For example, in another implementation, the processing unit 1220 is configured to perform the steps in fig. 5, and/or the processing unit 1220 is further configured to perform other processing steps on the terminal device side in an embodiment of the present application. The transceiver unit 1210 is further configured to perform other transceiver steps on the terminal device side in the embodiment of the present application.
For example, in yet another implementation, the processing unit 1220 is configured to perform the steps in fig. 6, and/or the processing unit 1220 is further configured to perform other processing steps on the terminal device side in an embodiment of the present application. The transceiver unit 1210 is further configured to perform other transceiver steps on the terminal device side in the embodiment of the present application.
For example, in yet another implementation, the processing unit 1220 is configured to perform the steps in fig. 9, and/or the processing unit 1220 is further configured to perform other processing steps on the terminal device side in an embodiment of the present application. The transceiver unit 1210 is further configured to perform other transceiver steps on the terminal device side in the embodiment of the present application.
When the device is a chip, the chip comprises a transceiver unit and a processing unit. The receiving and transmitting unit can be an input and output circuit and a communication interface; the processing unit is an integrated processor or microprocessor or integrated circuit on the chip.
It should also be understood that the first, second, third, fourth and various numerical numbers referred to herein are merely descriptive convenience and are not intended to limit the scope of embodiments of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (28)

1. A radio resource management, RRM, measurement method comprising:
the RRM measurement is performed during an active period of at least one discontinuous reception, DRX, cycle, the active period of the DRX cycle being indicated by the network device to sleep.
2. The RRM measurement method of claim 1, wherein performing RRM measurements during the active period of at least one DRX cycle comprises:
and carrying out RRM measurement in the activation period of X DRX cycles, wherein the value of X is such that the RRM measurement times in the RRM measurement cycle are not less than the minimum measurement times meeting the RRM measurement precision.
3. The RRM measurement method according to claim 1 or 2, characterized in that it further comprises:
and in the RRM measurement period, dormancy is performed in an active period of a DRX period, which is indicated to be dormant by the network equipment, except at least one DRX period.
4. The RRM measurement method according to claim 1 or 2, wherein the RRM measurement is performed during the active period of at least one DRX cycle, comprising:
in the RRM measurement period, whenever a DRX period which is indicated to wake up by the network equipment occurs, subtracting L1 from the count value K of a counter, wherein the initial value of the count value K is smaller than or equal to the number of DRX periods included in the RRM measurement period;
And when the number of the unreachable DRX periods in the RRM measurement period is equal to the value of K, carrying out RRM measurement in the activation period of K DRX periods which are the inverse number of the RRM measurement period, wherein the K DRX periods comprise the DRX period which is indicated to be dormant by the network equipment.
5. The RRM measurement method according to claim 4, wherein the number of RRM measurements per DRX cycle active period in the RRM measurement period is the same, and L1 is equal to 1.
6. The RRM measurement method of claim 4, wherein the RRM measurement periods for different DRX cycles within the RRM measurement period are different, wherein the value of L1 is determined based on the number of RRM measurements for the active period of the DRX cycle indicated to be awake by the network device and the number of RRM measurements for the active period of the K-last DRX cycle in the RRM measurement periods,
l1 is equal to 0 when the number of RRM measurements for the active period of the indicated awake DRX cycle is less than the number of RRM measurements for the active period of the Kpenultimate DRX cycle;
when the number of RRM measurements of the active period of the DRX cycle indicated to be awake is equal to or greater than the number of RRM measurements of the active period of the kth DRX cycle, L1 is equal to 1, or L1 is an integer greater than 1.
7. The RRM measurement method of claim 4, wherein the initial value of the count value K of the counter is equal to the number of DRX cycles required to satisfy the minimum number of measurements of RRM measurement accuracy.
8. The RRM measurement method according to claim 1 or 2, wherein the RRM measurement is performed during the active period of at least one DRX cycle, comprising:
in the RRM measurement period, whenever a DRX period indicated to be awake by the network equipment occurs, subtracting L2 from the value of a count value R of a counter, wherein L2 is equal to the RRM measurement times of the activation period of the indicated to be awake, and the initial value of the count value R of the counter is the RRM measurement times in the RRM measurement period;
and when the sum of RRM measurement times in the unreached reciprocal G DRX periods in the RRM measurement period is equal to or larger than the value of R, and the sum of RRM measurement times in the reciprocal G-1 DRX periods is equal to or smaller than the value of R, carrying out RRM measurement in the active periods of the reciprocal G DRX periods, wherein the reciprocal G DRX periods comprise the DRX period which is indicated to be dormant by the network equipment.
9. The RRM measurement method of claim 3, wherein performing RRM measurements during the active period of at least one DRX cycle comprises:
And when the number of the DRX cycles which are indicated to be dormant by the network equipment in the RRM measurement period reaches a threshold value, carrying out RRM measurement in the activation period of the DRX cycles which are indicated to be dormant by the network equipment which are not reached in the RRM measurement period.
10. The RRM measurement method according to claim 1 or 2, wherein the RRM measurement is performed during the active period of at least one DRX cycle, comprising:
and in the RRM measurement period, carrying out RMM measurement in the activation period of all DRX periods of which the network equipment indicates to sleep.
11. The RRM measurement method according to claim 1 or 2, characterized in that it further comprises:
and reporting a measurement result of the RRM measurement to the network equipment or sending a resource scheduling request to the network equipment in the last DRX period of the RRM measurement period.
12. The RRM measurement method according to claim 1 or 2, wherein the network device indicates to sleep during the active period of the DRX cycle when it is not required to monitor the physical downlink control channel PDCCH, and indicates to wake up during the active period of the DRX cycle when it is required to monitor the PDCCH.
13. The RRM measurement method according to claim 1 or 2, wherein the network device indicates to sleep or wake up during the active period of the DRX cycle by means of a power saving signal comprising a wake up signal WUS or a sleep signal GTS or a sequence signal.
14. An apparatus, comprising:
and the processing unit is used for carrying out RRM measurement in the active period of at least one Discontinuous Reception (DRX) period in a Radio Resource Management (RRM) measurement period, wherein the active period of the DRX period is indicated to be dormant by the network equipment.
15. The apparatus of claim 14, wherein the processing unit is configured to perform RRM measurements during an active period of X DRX cycles, where X is a value such that a number of RRM measurements during the RRM measurement period is not less than a minimum number of measurements that satisfies RRM measurement accuracy.
16. The apparatus of claim 14 or 15, wherein the processing unit is further configured to sleep during an active period of a DRX cycle other than at least one of the DRX cycles indicated by the network device to sleep during the RRM measurement period.
17. The apparatus according to claim 14 or 15, wherein the processing unit is configured to:
in the RRM measurement period, whenever a DRX period which is indicated to wake up by the network equipment occurs, subtracting L1 from the count value K of a counter, wherein the initial value of the count value K is smaller than or equal to the number of DRX periods included in the RRM measurement period;
And when the number of the unreachable DRX periods in the RRM measurement period is equal to the value of K, carrying out RRM measurement in the activation period of K DRX periods which are the inverse number of the RRM measurement period, wherein the K DRX periods comprise the DRX period which is indicated to be dormant by the network equipment.
18. The apparatus of claim 17, wherein the RRM measurement period is the same for each DRX cycle of the RRM measurement periods, L1 is equal to 1.
19. The apparatus of claim 18, wherein the RRM measurement periods for the different DRX cycles are different, wherein the value of L1 is determined based on the number of RRM measurements for the active period of the DRX cycle indicated to wake up by the network device and the number of RRM measurements for the active period of the K-last DRX cycle in the RRM measurement periods,
l1 is equal to 0 when the number of RRM measurements for the active period of the indicated awake DRX cycle is less than the number of RRM measurements for the active period of the Kpenultimate DRX cycle;
when the number of RRM measurements of the active period of the DRX cycle indicated to be awake is equal to or greater than the number of RRM measurements of the active period of the kth DRX cycle, L1 is equal to 1, or L1 is an integer greater than 1.
20. The apparatus of claim 17, wherein an initial value of the counter's count value K is equal to a number of DRX cycles required to meet a minimum number of measurements of RRM measurement accuracy.
21. The apparatus according to claim 14 or 15, wherein the processing unit is configured to:
in the RRM measurement period, whenever a DRX period indicated to be awake by the network equipment occurs, subtracting L2 from the value of a count value R of a counter, wherein L2 is equal to the RRM measurement times of the activation period of the indicated to be awake, and the initial value of the count value R of the counter is the RRM measurement times in the RRM measurement period;
and when the sum of RRM measurement times in the unreached reciprocal G DRX periods in the RRM measurement period is equal to or larger than the value of R, and the sum of RRM measurement times in the reciprocal G-1 DRX periods is equal to or smaller than the value of R, carrying out RRM measurement in the active periods of the reciprocal G DRX periods, wherein the reciprocal G DRX periods comprise the DRX period which is indicated to be dormant by the network equipment.
22. The apparatus of claim 16, wherein the processing unit is configured to perform RRM measurements during all active periods of the RRM measurement period when the number of DRX cycles in the RRM measurement period that have been indicated to sleep by the network device reaches a threshold.
23. The apparatus according to claim 14 or 15, wherein the processing unit is configured to perform RMM measurement during the RRM measurement period during an active period of all DRX periods for which dormancy is indicated by the network device.
24. The apparatus according to claim 14 or 15, characterized in that the apparatus further comprises:
and the sending unit is used for reporting the measurement result of the RRM measurement to the network equipment or sending a resource scheduling request to the network equipment in the last DRX period of the RRM measurement period.
25. The apparatus of claim 14 or 15, wherein the network device indicates to sleep during an active period of a DRX cycle when it is not required to monitor a physical downlink control channel, PDCCH, and indicates to wake during an active period of a DRX cycle when it is required to monitor a PDCCH.
26. The apparatus according to claim 14 or 15, wherein the network device indicates to sleep or wake up during an active period of a DRX cycle by a power saving signal comprising a wake up signal WUS or a sleep signal GTS or a sequence signal.
27. An apparatus, comprising:
a memory for storing computer instructions;
A processor for executing computer instructions stored by the memory, which when executed, cause the processor to implement the RRM measurement method of any one of claims 1 to 13.
28. A computer-readable storage medium, having stored thereon a computer program which, when executed by a computer, causes the computer to implement the RRM measurement method of any one of claims 1 to 13.
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