CN114830712A - Measurement method and terminal equipment - Google Patents

Measurement method and terminal equipment Download PDF

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Publication number
CN114830712A
CN114830712A CN202080086429.0A CN202080086429A CN114830712A CN 114830712 A CN114830712 A CN 114830712A CN 202080086429 A CN202080086429 A CN 202080086429A CN 114830712 A CN114830712 A CN 114830712A
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Prior art keywords
measurement
priority
serving cell
current signal
requirement
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石聪
李海涛
胡荣贻
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing 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)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application relates to a measuring method and a terminal device. The measuring method comprises the following steps: the terminal equipment receives a high-priority measurement relaxation instruction; and under the condition that the signal of the service cell meets the first requirement, the terminal equipment relaxes the measurement of the high-priority frequency point. The terminal equipment can properly relax the measurement of the high-priority frequency points according to network configuration, the implementation mode is simple, and the power saving requirement can be met.

Description

Measurement method and terminal equipment Technical Field
The present application relates to the field of communications, and more particularly, to a measurement method and a terminal device.
Background
The main application scenarios of 5G include: eMBBs (enhanced Mobile Broadband), uRLLCs (ultra-Reliable and Low Latency Communications, Low Latency, high reliability Communications), mMTC (massive Machine Type Communications), and the like. For terminal equipment in low-mobility scenarios such as NB-IoT (Narrow Band Internet of Things) and eMTC (enhanced Machine Type Communication), if the RSRP (Reference Signal Received Power) of a serving cell changes little, it means that the terminal equipment has a low requirement for cell reselection, and neighbor cell measurement can be relaxed, so as to achieve the purpose of saving energy for the terminal equipment. In some cases, it may not be appropriate to relax the measurement of the terminal device on the high priority frequency point.
Disclosure of Invention
The embodiment of the application provides a measurement method and terminal equipment, and the terminal equipment can perform high-priority frequency point measurement relaxation according to network configuration so as to meet the power saving requirement.
The embodiment of the application provides a measuring method, which comprises the following steps:
the terminal equipment receives a high-priority measurement relaxation instruction;
and under the condition that the signal of the service cell meets the first requirement, the terminal equipment relaxes the measurement of the high-priority frequency point.
Optionally, in an embodiment of the present application, the method further includes:
and under the condition that the signal of the service cell meets the first requirement, the terminal equipment relaxes the measurement of at least one of the frequency points with the medium priority, the frequency points with the low priority and the frequency points with the same priority according to a preconfigured measurement relaxation criterion.
Optionally, in an embodiment of the present application, the first requirement includes at least one of:
the current signal receiving power Srxlev of the serving cell is less than or equal to a first power threshold S nonIntraSearchP ；
The current signal reception quality Squal of the serving cell is less than or equal to a first quality threshold S nonIntraSearchQ 。
Optionally, in an embodiment of the present application, the measurement relaxation criterion includes at least one of:
a low mobility criterion;
non-cell-edge criteria.
Optionally, in an embodiment of the present application, the low mobility criterion includes at least one of:
reference signal received power Srxlev of serving cell Ref The difference value of the current signal receiving power Srxlev of the serving cell is less than a second power threshold value S SearchDeltaP ；
Reference signal received quality Squal for a serving cell Ref The difference with the current signal reception quality Squal of the serving cell is less than a second quality threshold S SearchDeltaQ 。
Optionally, in this embodiment of the present application, the non-cell-edge criterion includes at least one of:
the current signal receiving power Srxlev of the serving cell is larger than a third power threshold S SearchThresholdP ；
The current signal reception quality Squal of the serving cell is greater than a third quality threshold S SearchThresholdQ 。
Optionally, in an embodiment of the present application, the method further includes:
and under the condition that the signal of the service cell meets the second requirement, measuring the high-priority frequency point according to the predefined measurement requirement.
Optionally, in an embodiment of the present application, the second requirement includes:
the current signal receiving power Srxlev of the serving cell is larger than a first power threshold S nonIntraSearchP (ii) a And is
The current signal reception quality Squal of the serving cell is greater than a first quality threshold S nonIntraSearchQ 。
Optionally, in an embodiment of the present application, the measurement requirement includes:
measuring time T according to high priority higher_priority_search Measurements were made, each T higher_priority_search Measuring once;
wherein, T higher_priority_search ＝([60]Nlayers) seconds, which represents the total number of new radio access NR and evolved universal radio access E-UTRA carrier frequencies with higher priority broadcasted in the system information.
Optionally, in this embodiment of the present application, the indication is carried in a serving cell system message broadcast and/or RRC dedicated signaling.
Optionally, in an embodiment of the present application, measuring the relaxation requirement includes:
relaxing the measurement in the time domain;
the measurement in the frequency domain is relaxed.
An embodiment of the present application provides a terminal device, including:
a receiving unit for receiving a high priority measurement relaxation indication;
and the processing unit is used for relaxing the measurement of the high-priority frequency point under the condition that the signal of the serving cell meets the first requirement.
Optionally, in this embodiment of the application, the processing unit is further configured to, when the signal of the serving cell meets the first requirement, relax measurement of at least one of the medium priority frequency point, the low priority frequency point, and the same priority frequency point according to a preconfigured measurement relaxation criterion.
Optionally, in an embodiment of the present application, the first requirement includes at least one of:
the current signal receiving power Srxlev of the serving cell is less than or equal to a first power threshold S nonIntraSearchP ；
The current signal reception quality Squal of the serving cell is less than or equal to a first quality threshold S nonIntraSearchQ 。
Optionally, in an embodiment of the present application, the measurement relaxation criterion includes at least one of:
a low mobility criterion;
non-cell-edge criteria.
Optionally, in an embodiment of the present application, the low mobility criterion includes at least one of:
reference signal received power Srxlev of serving cell Ref The difference value of the current signal receiving power Srxlev of the serving cell is less than a second power threshold value S SearchDeltaP ；
Reference signal received quality Squal for a serving cell Ref The difference with the current signal reception quality Squal of the serving cell is less than a second quality threshold S SearchDeltaQ 。
Optionally, in this embodiment of the present application, the non-cell-edge criterion includes at least one of:
the current signal receiving power Srxlev of the serving cell is larger than a third power threshold S SearchThresholdP ；
The current signal reception quality Squal of the serving cell is greater than a third quality threshold S SearchThresholdQ 。
Optionally, in this embodiment of the application, the processing unit is further configured to measure the high-priority frequency point according to a predefined measurement requirement when the signal of the serving cell meets the second requirement.
Optionally, in an embodiment of the present application, the second requirement includes:
the current signal receiving power Srxlev of the serving cell is larger than a first power threshold S nonIntraSearchP (ii) a And is
The current signal reception quality Squal of the serving cell is greater than a first quality threshold S nonIntraSearchQ 。
Optionally, in an embodiment of the present application, the measurement requirement includes:
measuring time T according to high priority higher_priority_search Measurements were made, each T higher_priority_search Measuring once;
wherein, T higher_priority_search ＝([60]Nlayers) seconds, which represents the total number of new radio access NR and evolved universal radio access E-UTRA carrier frequencies with higher priority broadcasted in the system information.
Optionally, in this embodiment, the indication is carried in a serving cell system message broadcast and/or RRC dedicated signaling.
Optionally, in an embodiment of the present application, measuring the relaxation requirement includes:
relaxing the measurement in the time domain;
the measurement in the frequency domain is relaxed.
The embodiment of the application provides terminal equipment which comprises a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory to execute the measuring method.
The embodiment of the application provides a chip for realizing the measurement method.
Specifically, the chip includes: and the processor is used for calling and running the computer program from the memory so that the equipment provided with the chip executes the measurement method.
An embodiment of the present application provides a computer-readable storage medium for storing a computer program, which causes a computer to execute the above-mentioned measurement method.
The embodiment of the present application provides a computer program product, which includes computer program instructions, and the computer program instructions make a computer execute the above-mentioned measurement method.
Embodiments of the present application provide a computer program, which when run on a computer, causes the computer to perform the above-mentioned measurement method.
According to the embodiment of the application, the terminal equipment can more appropriately relax the measurement of the high-priority frequency points according to network configuration, the implementation mode is simple, and the power saving requirement can be met.
Drawings
Fig. 1 is a schematic diagram of an application scenario according to an embodiment of the present application.
FIG. 2 is a schematic flow chart diagram of a measurement method according to an embodiment of the present application.
Fig. 3 is a schematic block diagram of a terminal device according to an embodiment of the present application.
Fig. 4 is a schematic block diagram of a communication device according to an embodiment of the present application.
Fig. 5 is a schematic block diagram of a chip according to an embodiment of the application.
Fig. 6 is a schematic block diagram of a communication system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
The technical scheme of the embodiment of the application can be applied to various communication systems, for example: global System for Mobile communications (GSM) System, Code Division Multiple Access (CDMA) System, Wideband Code Division Multiple Access (WCDMA) System, General Packet Radio Service (GPRS), Long Term Evolution (Long Term Evolution, LTE) System, LTE-a System, New Radio (NR) System, Evolution System of NR System, LTE-a System over unlicensed spectrum, NR (NR-b) System, UMTS (Universal Mobile telecommunications System), UMTS (UMTS) System, WLAN-b System over unlicensed spectrum, WiFi-b System, Wireless Local Area Network (WLAN) System, Wireless Local Area network (WiFi) System, GPRS (General Packet Radio Service, GPRS) System, GPRS (GPRS) System, LTE-b System, LTE-a System, NR System, LTE-b System over unlicensed spectrum, and LTE-b System over unlicensed spectrum, A next Generation communication (5th-Generation, 5G) system, other communication systems, and the like.
Generally, conventional Communication systems support a limited number of connections and are easy to implement, however, with the development of Communication technology, mobile Communication systems will support not only conventional Communication, but also, for example, Device-to-Device (D2D) Communication, Machine-to-Machine (M2M) Communication, Machine Type Communication (MTC), and Vehicle-to-Vehicle (V2V) Communication, etc., and the embodiments of the present application can also be applied to these Communication systems.
Optionally, the communication system in the embodiment of the present application may be applied to a Carrier Aggregation (CA) scenario, may also be applied to a Dual Connectivity (DC) scenario, and may also be applied to an independent (SA) networking scenario.
The frequency spectrum of the application is not limited in the embodiment of the present application. For example, the embodiments of the present application may be applied to a licensed spectrum, and may also be applied to an unlicensed spectrum.
The embodiments of the present application are described in conjunction with a network device and a terminal device, where: a terminal device may also be referred to as 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, etc. The terminal device may be a Station (ST) in a WLAN, and may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with Wireless communication function, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a wearable device, and a next generation communication system, for example, a terminal device in an NR Network or a terminal device in a future evolved Public Land Mobile Network (PLMN) Network, and the like.
By way of example and not limitation, in the embodiments of the present application, the terminal device may also be a wearable device. Wearable equipment can also be called wearable intelligent equipment, is the general term of applying wearable technique to carry out intelligent design, develop the equipment that can dress to daily wearing, like glasses, gloves, wrist-watch, dress and shoes etc.. A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction and cloud interaction. The generalized wearable smart device includes full functionality, large size, and can implement full or partial functionality without relying on a smart phone, such as: smart watches or smart glasses and the like, and only focus on a certain type of application functions, and need to be used in cooperation with other devices such as smart phones, such as various smart bracelets for physical sign monitoring, smart jewelry and the like.
The network device may be a device for communicating with a mobile device, and the network device may be an Access Point (AP) in a WLAN, a Base Station (BTS) in GSM or CDMA, a Base Station (NodeB, NB) in WCDMA, an evolved Node B (eNB, eNodeB) in LTE, a relay Station or an Access Point, or a vehicle-mounted device, a wearable device, a network device (gNB) in an NR network, or a network device in a PLMN network that is evolved in the future.
In this embodiment of the present application, a network device provides a service for a cell, and a terminal device communicates with the network device through a transmission resource (for example, a frequency domain resource or a spectrum resource) used by the cell, where the cell may be a cell corresponding to the network device (for example, a base station), and the cell may belong to a macro base station or a base station corresponding to a Small cell (Small cell), where the Small cell may include: urban cells (Metro cells), Micro cells (Micro cells), Pico cells (Pico cells), Femto cells (Femto cells), and the like, and the small cells have the characteristics of small coverage area and low transmission power, and are suitable for providing high-rate data transmission services.
Fig. 1 exemplarily shows one network device 110 and two terminal devices 120, and optionally, the wireless communication system 100 may include a plurality of network devices 110, and each network device 110 may include other numbers of terminal devices 120 within the coverage area, which is not limited in this embodiment.
Optionally, the wireless communication system 100 may further include other network entities such as a Mobility Management Entity (MME), an Access and Mobility Management Function (AMF), which is not limited in this embodiment.
It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
FIG. 2 is a schematic flow chart diagram of a measurement method 200 according to an embodiment of the present application. The method may alternatively be applied to the system shown in fig. 1, but is not limited thereto. The method includes at least part of the following.
S210, the terminal equipment receives a high-priority measurement relaxation instruction. For example, the UE receives configuration information of the network device, which includes a high priority measurement relaxation indication. The high priority measurement relaxation indication may indicate that the UE relaxes the measurement of the high priority frequency point regardless of whether a preconfigured relaxation measurement criterion is met.
And S220, under the condition that the signal of the service cell meets the first requirement, the terminal equipment relaxes the measurement of the high-priority frequency point.
The measurement of the adjacent cells of the terminal equipment can be divided into the measurement of the same frequency and the measurement of different frequencies. The pilot frequency measurement can be divided into high priority frequency point measurement, medium priority frequency point measurement, low priority frequency point measurement and same priority frequency point measurement. The high-priority frequency point measurement is mainly used for load balance among different frequency points and can not be influenced by the mobility of the terminal equipment. Therefore, when the network does not want the terminal device to relax the measurement of the high-priority frequency point, the situation that the measurement of the high-priority frequency point is relaxed can be avoided.
The case where the signal of the serving cell satisfies the first requirement indicates that the terminal device is not located in the center of the serving cell but is close to the edge of the serving cell. In this case, two kinds of measurement objects can be classified.
If the terminal equipment receives a high-priority measurement relaxation instruction configured by the network, the measurement of the high-priority frequency point is directly relaxed.
The other is pilot frequency measurement of medium priority, same priority or low priority, and same frequency measurement. Such a network configured high priority measurement relaxation indication may be ignored and instead the decision whether to relax the measurement is based on whether the terminal device meets a measurement relaxation criterion, such as low mobility and/or non-cell edge, etc.
Optionally, in an embodiment of the present application, the method further includes:
and under the condition that the signal of the service cell meets the first requirement, the terminal equipment relaxes the measurement of at least one of the frequency points with the medium priority, the frequency points with the low priority and the frequency points with the same priority according to a preconfigured measurement relaxation criterion.
Optionally, in an embodiment of the present application, the first requirement includes at least one of:
the current signal receiving power Srxlev of the serving cell is less than or equal to a first power threshold S nonIntraSearchP ；
The current signal reception quality Squal of the serving cell is less than or equal to a first quality threshold S nonIntraSearchQ 。
Optionally, in an embodiment of the present application, the measurement relaxation criterion includes at least one of:
a low mobility criterion;
non-cell-edge criteria.
Optionally, in an embodiment of the present application, the low mobility criterion includes at least one of:
reference signal received power Srxlev of serving cell Ref The difference value of the current signal receiving power Srxlev of the serving cell is less than a second power threshold value S SearchDeltaP ；
Reference signal received quality Squal for a serving cell Ref The difference with the current signal reception quality Squal of the serving cell is less than a second quality threshold S SearchDeltaQ 。
Optionally, in this embodiment of the present application, the non-cell-edge criterion includes at least one of:
the current signal receiving power Srxlev of the serving cell is larger than a third power threshold S SearchThresholdP ；
The current signal reception quality Squal of the serving cell is greater than a third quality threshold S SearchThresholdQ 。
Wherein S is SearchThresholdP Less than S nonIntraSearchP ；S SearchThresholdQ Less than S nonIntraSearchQ 。
For example, S SearchThresholdP Is 5dB, S nonIntraSearchP At 10dB, the current signal received power Srxlev is 8dB, indicating that the UE is currently not in the cell center region, nor at the cell edge, but somewhere between the cell center region and the edge.
Optionally, in an embodiment of the present application, the method further includes:
and under the condition that the serving cell meets the second requirement, measuring the high-priority frequency points according to the predefined measurement requirement. In this case, the high-priority measurement relaxation indication configured by the network can be ignored, and the high-priority frequency point measurement can be directly performed.
Optionally, in an embodiment of the present application, the second requirement includes:
the current signal receiving power Srxlev of the serving cell is larger than a first power threshold S nonIntraSearchP (ii) a And is
The current signal reception quality Squal of the serving cell is greater than a first quality threshold S nonIntraSearchQ 。
Under the condition that the signal of the service cell meets the second requirement, the terminal equipment is positioned at the central position of the service cell, and the measurement condition is good, so that only high-priority frequency points can be measured, and different frequencies and different systems with medium priority, the same priority and low priority are not measured. In this case, even if the network is configured with a parameter for indicating measurement relaxation, such as highPriorityMeasRelax, measurement of a high-priority frequency bin is not relaxed.
Optionally, in this embodiment of the present application, the predefined measurement requirements include:
measuring time T according to high priority higher_priority_search Measurements were made, each T higher_priority_search And measuring once.
Wherein, T higher_priority_search ＝([60]Nlayers) represents the total number of new NR and E-UTRA (Evolved Universal Radio Access) carrier frequencies with higher priority broadcast in the system information.
Optionally, in this embodiment of the present application, the indication is carried in a serving cell system message broadcast and/or RRC (Radio Resource Control) dedicated signaling.
Optionally, in an embodiment of the present application, measuring the relaxation requirement includes:
relaxation of the measurement in the time domain, e.g. the time required for the measurement may be longer;
measurements in the frequency domain are relaxed, e.g. fewer frequency bins are measured, or cells in the same frequency bin are measured.
In an application scenario, NR may also be deployed independently, and a new RRC state, that is, an RRC _ INACTIVE state, is defined in a 5G network environment for the purpose of reducing air interface signaling, quickly recovering wireless connection, and quickly recovering data service. This state is distinguished from the RRC IDLE and RRC ACTIVE states. These several states are characterized as follows:
RRC _ IDLE: mobility is UE-based cell selection reselection, paging is initiated by the CN (Core Network), and the paging area is configured by the CN. The base station side does not have UE AS (Access Stratum AS) context. There is no RRC connection.
RRC _ CONNECTED: there is an RRC connection and the base station and UE have a UE AS context. The network side knows that the location of the UE is at a specific cell level. Mobility is network side controlled mobility. Unicast data may be transmitted between the UE and the base station.
RRC _ INACTIVE: mobility is UE-based cell selection reselection, and there is a connection between CN-NRs. The UE AS context exists on a certain base station. Paging is triggered by the RAN (Radio Access Network). The RAN-based paging area is managed by the RAN. The network side knows the location of the UE based on the paging area level of the RAN.
The measurement starts in the IDLE state and INACTIVE state as follows:
the UE neighbor cell measurement behavior in IDLE and INACTIVE states is constrained by relevant parameters in the system broadcast message. For example:
for the starting of the same-frequency measurement, when serving cell Srxlev>S IntraSearchP And serves cell Squal>S IntraSearchQ And meanwhile, not starting the measurement of the adjacent regions with the same frequency. Otherwise, starting the measurement of the adjacent regions with the same frequency.
For the pilot frequency measurement with the same priority or low priority, as serving cell Srxlev>S nonIntraSearchP And serving cell Squal>S nonIntraSearchQ In time, pilot frequency measurement of the same priority or low priority is not started. Otherwise, the pilot frequency measurement with the same priority or low priority is started.
For a high priority inter-frequency measurement, the measurement thereof is always started.
The configuration of the frequency point priority can be carried by an RRC Release message in addition to a system message signaling. At this time, the base station configures a dedicated frequency point priority for the UE, and after receiving the dedicated frequency point priority, the UE broadcasts the common frequency point priority information covering the system message.
The neighbor measurements introduced in NB-IoT and eMTC systems are relaxed as follows:
for low-mobility NB-IoT and eMTC terminals, if the RSRP of a service cell changes little, the requirement of the terminal for cell reselection is low, neighbor cell measurement can be relaxed, and the purpose of energy conservation of UE is achieved. Specifically, the method comprises the following steps: if the threshold S is configured in a system message (e.g., SIB3) SearchDeltaP And the cell receiving the system message supports the UE to relax the neighbor cell measurement. And the UE can perform neighbor cell measurement relaxation when the following conditions are met:
(1) in the time range T SearchDeltaP The neighbor cell measurement relaxation condition is met;
(2) less than 24H (hours) since the last measurement.
The neighbor cell measurement relaxation condition may be: (Srxlev) Ref –Srxlev)<S SearchDeltaP
Wherein Srxlev is a current Srxlev (received signal power) measurement for the serving cell, Srxlev Ref Is a reference Srxlev value of the serving cell.
Wherein Srxlev Ref The setting mode of (2) can be as follows: the UE will Srxlev if at least one of the following conditions is met Ref Set to the current Srxlev measurement for the serving cell:
when the UE selects or reselects to a new cell, or
If (Srxlev-Srxlev) Ref )>0, or
If at T SearchDeltaP The relaxation measurement condition is not satisfied for a time (low mobility).
E.g. T SearchDeltaP The value may be 5 minutes, or T if Extended Discontinuous Reception (eDRX) is configured and eDRX period is longer than 5 minutes SearchDeltaP The value is eDRX cycle length.
The network may send a high priority measurement relaxation indication highPriorityMeasRelax to the UE indicating whether the high priority measurement relaxation is controlled by the measurement relaxation triggering criteria. Relevant triggering criteria may include:
(1) there is a highPriorityMeasRelax (or indeed a highPriorityMeasRelax)
(2) Satisfying low mobility and/or non-cell-edge (low mobility and/or not-at-cell-edge) criteria, the UE may relax the measurement of high priority frequency points. How to relax the measurement of the higher priority bins may depend on the decision of RAN 4.
Otherwise: the UE will not relax the measurement of the high priority frequency points whether the trigger criteria is met or not. But rather, the high priority bins are measured.
For example, when one configuration parameter indicates that the UE needs to relax the high priority frequency point measurement, the UE may relax the measurement of the high priority frequency point when an additional criterion, i.e., low mobility and/or not-at-cell-edge (low mobility and/or not-at-cell-edge), is satisfied, and if this parameter is not configured, the UE does not relax.
In RAN4, the measurement requirements for high priority frequency points are as follows:
case 1(case 1): if Srxlev>SnonIntraSearchP and Squal>SnonIntraSearchQ, then the UE measures the time T according to the high priority higher_priority_search The measurement should be made at least at each T higher_priority_search And measuring once. Wherein, T higher_priority_search ＝([60]Nlayers) seconds, and Nlayers (N layers) represents the total number of new radio access NR and evolved universal radio access E-UTRA carrier frequencies with higher priority broadcasted in the system information.
Case 2(case 2): if Srxlev is less than or equal to S nonIntraSearchP Or Squal is less than or equal to S nonIntraSearchQ Then the UE should search for and measure the high priority, same priority or lower priority inter-frequency layers in preparation for possible reselection.
That is, the measurement of the high-priority frequency point adopts one measurement requirement in the case1 and adopts another measurement requirement under the case 2. Wherein, the case1 and the case2 correspond to the UE being in the center or the edge of the cell, respectively.
According to the above, the measurement relaxation criteria for high priority frequency points and low priority, same priority inter-frequency measurements are the same, i.e. if to relax, they are relaxed together.
However, for the measurement of the high priority frequency point, the purpose is different from that of the measurement of other types of frequency points. The network generally configures the high priority frequency point in order to balance the load, and hopes that the UE reselects the high priority frequency point as much as possible. For example, even if the UE does not measure the low priority bin (case1), the UE needs to measure the high priority bin. Similarly, under the condition of satisfying the measurement of the low priority frequency point (case2), the UE needs to measure the high priority frequency point according to the same measurement requirement. It is not reasonable to equate the measurement relaxation criteria for high priority bins with other bin measurements, considering the different purposes of the measurements, which may result in the UE relaxing the measurements for high priority bins due to the satisfaction of these criteria (e.g. low mobility/non-cell edge), even though the network does not want the UE to relax the high priority bin measurements in some cases.
In the embodiment of the application, the high priority measurement relaxation indication configured by the network is mainly used for controlling the high priority inter-frequency measurement. The low priority, same priority inter-frequency measurement processing may not be affected by the indication.
The first embodiment is as follows: measurement of high priority frequency points based on network configuration relaxation
1) A terminal device with power saving (power saving) capability or requirement receives configuration information from a serving cell system message broadcast and/or RRC dedicated signaling, which may indicate that the terminal device, e.g., UE, may perform high priority frequency measurement relaxation.
2) When the information, such as the high priority measurement relaxation indication highprioritymeaserelax, indicates that the high priority frequency point can measure relaxation, the UE determines whether the signal of the serving cell satisfies Srxlev ≦ S nonIntraSearchP Or Squal is less than or equal to S nonIntraSearchQ 。
Case 1(case 1): if the UE judges that the signal of the serving cell meets Srxlev>S nonIntraSearchP And Squal>S nonIntraSearchQ It means that the UE is in the center of the cell and the measurement condition is good.
In this case, only the frequency points with high priority may be measured, and the frequency points with medium priority, low priority and the same priority may not be measured. In other words, regardless of whether the high priority bin measurement relaxation instruction is configured, in this case, the measurement of the high priority bin is not relaxed.
The UE may measure the high priority frequency points according to the following measurement requirements: the UE measures the time T at least at each high priority higher_priority_search Measuring each layer of high priority among inter-frequency layers of high priority(the UE shall search for inter-frequency layers of higher priority at least every T higher_priority_search ). Wherein the high priority measures time T higher_priority_search ＝[60]Nlayers seconds. Nlayers is The total number of higher priority NR and E-UTRA carrier frequencies broadcast in The system information (The UE small search apparatus layer of high priority at least apparatus T higher_priority_search ＝([60]*Nlayers)seconds,where Nlayers is the total number of higher priority NR and E-UTRA carrier frequencies broadcasted in system information.)。
Case 2(case 2): if the UE judges that the signal of the serving cell meets the condition that Srxlev is less than or equal to S nonIntraSearchP Or Squal is less than or equal to S nonIntraSearchQ Indicating that the UE is at the cell edge. Specifically, two kinds of measurement objects can be classified. One is pilot frequency measurement of high priority, and the other is pilot frequency measurement of medium priority, same priority or low priority.
(1) And the UE relaxes the measurement of the high-priority frequency point according to the defined measurement relaxation requirement. In this case, the measurement of the high priority frequency bins is relaxed regardless of whether the measurement relaxation criterion is satisfied. (This is index to relax measurement on high priority frequency or not schedule recovery of the revised repaired measurement criterion is full)
The measurement relaxation requirement of the high priority frequency point may be the same as the measurement relaxation requirement of the pilot frequency measurement with medium and low priorities or the same priority, for example:
a. the measurement relaxation requirements include relaxing the measurement in the time domain, i.e. the time required for the measurement can be longer;
b. the measurement relaxation requirement includes relaxing the measurement on the frequency domain, such as measuring less frequency points (frequency), or measuring cells (cells) on the same frequency points (frequency).
(2) And the UE relaxes pilot frequency measurement of medium priority, low priority or same priority according to a preset criterion. For example, in this case, the time period T is set SearchDeltaP If the measurement relaxation criterion is internally satisfied, then UE relaxing pilot frequency measurement on medium priority, low priority or same priority.
Wherein the pre-configured criteria may include:
a. low mobility criteria, and/or
b. Non-cell-edge criteria.
For example, the measurement relaxation criteria for a UE with low mobility are met when the following conditions are met:
if S is configured SearchDeltaP And, (Srxlev) Ref –Srxlev)<S SearchDeltaP 。
Wherein:
srxlev is the current Srxlev value (dB) of the serving cell.
Squal is the current Squal value (dB) of the serving cell.
Srxlev Ref Reference Srxlev value (dB) of the serving cell.
Wherein Srxlev Ref The setting mode of (2) can be as follows: the UE will Srxlev if at least one of the following conditions is met Ref Set to the current Srxlev measurement for the serving cell:
when the UE selects or reselects to a new cell, or
If (Srxlev-Srxlev) Ref )>0, or
If at T SearchDeltaP The measurement relaxation criterion is not met for the time.
For another example, the relaxed measurement criteria for non-cell-edge UEs are met when the following conditions are met:
if S is SearchThresholdP ,Srxlev>S SearchThresholdP And S is SearchThresholdQ ,Squal>S SearchThresholdQ 。
Wherein: srxlev ═ current Srxlev value (dB) of the serving cell; squal is the current Squal value (dB) of the serving cell.
The measurement of the high-priority frequency point is mainly used for load balance among different frequency points, and can not be influenced by the mobility of the UE. In the embodiment of the application, the UE can directly perform high-priority measurement relaxation according to network configuration, the implementation mode is simple, and the power saving requirement of the UE can be met.
Fig. 3 is a schematic block diagram of a terminal device 300 according to an embodiment of the present application. The terminal device 300 may include:
a receiving unit 310 is configured to receive a high priority measurement relaxation indication. For example, the UE receives configuration information of the network device, which includes a high priority measurement relaxation indication.
The processing unit 320 is configured to relax the measurement on the high priority frequency point when the signal of the serving cell meets the first requirement.
Optionally, in this embodiment of the present application, the processing unit is further configured to, when the signal of the serving cell meets the first requirement, relax measurement on at least one of the medium priority frequency point, the low priority frequency point, and the same priority frequency point according to a measurement relaxation criterion configured in advance.
Optionally, in an embodiment of the present application, the first requirement includes at least one of:
the current signal receiving power Srxlev of the serving cell is less than or equal to a first power threshold S nonIntraSearchP ；
The current signal reception quality Squal of the serving cell is less than or equal to a first quality threshold S nonIntraSearchQ 。
Optionally, in an embodiment of the present application, the measurement relaxation criterion includes at least one of:
a low mobility criterion;
non-cell-edge criteria.
Optionally, in an embodiment of the present application, the low mobility criterion includes at least one of:
reference signal received power Srxlev of serving cell Ref The difference value of the current signal receiving power Srxlev of the serving cell is less than a second power threshold value S SearchDeltaP ；
Reference signal received quality Squal for a serving cell Ref And a serving cellIs smaller than a second quality threshold S SearchDeltaQ 。
Optionally, in this embodiment of the present application, the non-cell-edge criterion includes at least one of:
the current signal receiving power Srxlev of the serving cell is larger than a third power threshold S SearchThresholdP ；
The current signal reception quality Squal of the serving cell is greater than a third quality threshold S SearchThresholdQ 。
Optionally, in this embodiment of the application, the processing unit 320 is further configured to measure the high-priority frequency point according to a predefined measurement requirement when the signal of the serving cell meets the second requirement.
Optionally, in an embodiment of the present application, the second requirement includes:
the current signal receiving power Srxlev of the serving cell is larger than a first power threshold S nonIntraSearchP (ii) a And is
The current signal reception quality Squal of the serving cell is greater than a first quality threshold S nonIntraSearchQ 。
Optionally, in an embodiment of the present application, the measurement requirement includes:
measuring time T according to high priority higher_priority_search Measurements were made, each T higher_priority_search Measuring once;
wherein, T higher_priority_search ＝([60]Nlayers) seconds, which represents the total number of new radio access NR and evolved universal radio access E-UTRA carrier frequencies with higher priority broadcasted in the system information.
Optionally, in this embodiment, the indication is carried in a serving cell system message broadcast and/or RRC dedicated signaling.
Optionally, in an embodiment of the present application, measuring the relaxation requirement includes:
relaxing the measurement in the time domain;
the measurement in the frequency domain is relaxed.
It should be understood that the above and other operations and/or functions of each unit in the terminal device according to the embodiment of the present application are respectively for implementing the corresponding flow of the terminal device in the method 200 in fig. 2, and are not described herein again for brevity.
Fig. 4 is a schematic block diagram of a communication device 600 according to an embodiment of the present application. The communication device 600 shown in fig. 4 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
Optionally, as shown in fig. 4, the communication device 600 may further include a memory 620. From the memory 620, the processor 610 may call and run a computer program to implement the method in the embodiment of the present application.
The memory 620 may be a separate device from the processor 610, or may be integrated into the processor 610.
Optionally, as shown in fig. 4, the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may transmit information or data to the other devices or receive information or data transmitted by the other devices.
The transceiver 630 may include a transmitter and a receiver, among others. The transceiver 630 may further include antennas, and the number of antennas may be one or more.
Optionally, the communication device 600 may be a terminal device in this embodiment, and the communication device 600 may implement a corresponding process implemented by the terminal device in each method in this embodiment, which is not described herein again for brevity.
Fig. 5 is a schematic block diagram of a chip 700 according to an embodiment of the application. The chip 700 shown in fig. 5 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
Optionally, as shown in fig. 5, the chip 700 may further include a memory 720. From the memory 720, the processor 710 can call and run a computer program to implement the method in the embodiment of the present application.
The memory 720 may be a separate device from the processor 710, or may be integrated into the processor 710.
Optionally, the chip 700 may further include an input interface 730. The processor 710 may control the input interface 730 to communicate with other devices or chips, and in particular, may obtain information or data transmitted by other devices or chips.
Optionally, the chip 700 may further include an output interface 740. The processor 710 may control the output interface 740 to communicate with other devices or chips, and in particular, may output information or data to the other devices or chips.
Optionally, the chip may be applied to the terminal device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the terminal device in each method in the embodiment of the present application, and for brevity, details are not described here again.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc.
The aforementioned processors may be general purpose processors, Digital Signal Processors (DSPs), Field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), or other programmable logic devices, transistor logic devices, discrete hardware components, etc. The general purpose processor mentioned above may be a microprocessor or any conventional processor etc.
The above-mentioned memories may be either volatile or nonvolatile memories, or may include both volatile and nonvolatile memories. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM).
It should be understood that the above memories are exemplary but not limiting illustrations, for example, the memories in the embodiments of the present application may also be Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM (double data rate SDRAM), enhanced SDRAM (enhanced SDRAM, ESDRAM), Synchronous Link DRAM (SLDRAM), Direct Rambus RAM (DR RAM), and so on. That is, the memory in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.
Fig. 6 is a schematic block diagram of a communication system 800 according to an embodiment of the present application. As shown in fig. 6, the communication system 800 includes a terminal device 810 and a network device 820.
Terminal device 810 receives a high priority measurement relaxation indication; in case the signal of the serving cell meets the first requirement, the terminal device 810 relaxes the measurement on the high priority frequency point. The high priority measurement relaxation indication may be carried in configuration information issued by network device 820.
The terminal device 810 may be configured to implement the corresponding functions implemented by the terminal device in the above method, and the network device 820 may be configured to implement the corresponding functions implemented by the network in the above method. For brevity, no further description is provided herein.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not imply an execution sequence, and the execution sequence of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (27)

  1. A method of measurement, comprising:
    the terminal equipment receives a high-priority measurement relaxation instruction;
    and under the condition that the signal of the service cell meets the first requirement, the terminal equipment relaxes the measurement of the high-priority frequency point.
  2. The method of claim 1, wherein the method further comprises:
    and under the condition that the signal of the service cell meets the first requirement, the terminal equipment relaxes the measurement of at least one of the frequency points with the medium priority, the frequency points with the low priority and the frequency points with the same priority according to a preconfigured measurement relaxation criterion.
  3. The method of claim 1 or 2, wherein the first requirement comprises at least one of:
    the current signal receiving power Srxlev of the serving cell is less than or equal to a first power threshold S nonIntraSearchP ；
    The current signal reception quality Squal of the serving cell is less than or equal to a first quality threshold S nonIntraSearchQ 。
  4. The method of claim 2, wherein the measurement relaxation criteria comprises at least one of:
    a low mobility criterion;
    non-cell-edge criteria.
  5. The method of claim 4, wherein the low mobility criteria comprises at least one of:
    reference signal received power Srxlev of serving cell Ref The difference value of the current signal receiving power Srxlev of the serving cell is less than a second power threshold value S SearchDeltaP ；
    Reference signal received quality Squal for a serving cell Ref The difference with the current signal reception quality Squal of the serving cell is less than a second quality threshold S SearchDeltaQ 。
  6. The method of claim 4, wherein the non-cell-edge criteria comprises at least one of:
    the current signal receiving power Srxlev of the serving cell is larger than a third power threshold S SearchThresholdP ；
    The current signal reception quality Squal of the serving cell is greater than a third quality threshold S SearchThresholdQ 。
  7. The method of any of claims 1-6, wherein the method further comprises:
    and under the condition that the signal of the service cell meets the second requirement, measuring the high-priority frequency point according to the predefined measurement requirement.
  8. The method of claim 7, wherein the second requirement comprises:
    the current signal receiving power Srxlev of the serving cell is larger than a first power threshold S nonIntraSearchP (ii) a And is
    The current signal reception quality Squal of the serving cell is greater than a first quality threshold S nonIntraSearchQ 。
  9. The method of claim 7 or 8, wherein the measurement requirements comprise:
    measuring time T according to high priority higher_priority_search Measurements were made, each T higher_priority_search Measuring once;
    wherein, T higher_priority_search ＝([60]Nlayers) seconds, which represents the total number of new radio access NR and evolved universal radio access E-UTRA carrier frequencies with higher priority broadcasted in the system information.
  10. The method of any of claims 1 to 9, wherein the indication is carried in a serving cell system message broadcast and/or RRC dedicated signaling.
  11. The method of any of claims 1 to 10, wherein measuring relaxation requirements comprises:
    relaxing the measurement in the time domain;
    the measurement in the frequency domain is relaxed.
  12. A terminal device, comprising:
    a receiving unit for receiving a high priority measurement relaxation indication;
    and the processing unit is used for relaxing the measurement of the high-priority frequency point under the condition that the signal of the serving cell meets the first requirement.
  13. The terminal device of claim 12, wherein the processing unit is further configured to, when the signal of the serving cell meets the first requirement, relax measurement on at least one of the medium priority frequency point, the low priority frequency point, and the same priority frequency point according to a preconfigured measurement relaxation criterion.
  14. The terminal device of claim 12 or 13, wherein the first requirement comprises at least one of:
    the current signal receiving power Srxlev of the serving cell is less than or equal to a first power threshold S nonIntraSearchP ；
    The current signal reception quality Squal of the serving cell is less than or equal to a first quality threshold S nonIntraSearchQ 。
  15. The terminal device of claim 13, wherein the measurement relaxation criteria comprises at least one of:
    a low mobility criterion;
    non-cell-edge criteria.
  16. The terminal device of claim 15, wherein the low mobility criteria comprises at least one of:
    reference signal received power Srxlev of serving cell Ref Current signal connection to serving cellThe difference value of the received power Srxlev is smaller than a second power threshold value S SearchDeltaP ；
    Reference signal received quality Squal for a serving cell Ref The difference with the current signal reception quality Squal of the serving cell is less than a second quality threshold S SearchDeltaQ 。
  17. The terminal device of claim 15, wherein the non-cell-edge criteria comprise at least one of:
    the current signal receiving power Srxlev of the serving cell is larger than a third power threshold S SearchThresholdP ；
    The current signal reception quality Squal of the serving cell is greater than a third quality threshold S SearchThresholdQ 。
  18. The terminal device according to any one of claims 12 to 17, wherein the processing unit is further configured to measure the high-priority frequency point according to a predefined measurement requirement when the signal of the serving cell meets the second requirement.
  19. The terminal device of claim 18, wherein the second requirement comprises:
    the current signal receiving power Srxlev of the serving cell is larger than a first power threshold S nonIntraSearchP (ii) a And is
    The current signal reception quality Squal of the serving cell is greater than a first quality threshold S nonIntraSearchQ 。
  20. The terminal device of claim 18 or 19, wherein the measurement requirements comprise:
    measuring time T according to high priority higher_priority_search Measurements were made, each T higher_priority_search Measuring once;
    wherein, T higher_priority_search ＝([60]Nlayers) secondsThe number of new radio access NR and evolved universal radio access E-UTRA carrier frequencies with higher priority broadcasted in the system information is denoted by Nlayers.
  21. A terminal device according to any of claims 12 to 20, wherein the indication is carried in a serving cell system message broadcast and/or RRC dedicated signalling.
  22. The terminal device of any of claims 12 to 21, wherein measuring relaxation requirements comprises:
    relaxing the measurement in the time domain;
    the measurement in the frequency domain is relaxed.
  23. A terminal device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 1 to 11.
  24. A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 1 to 11.
  25. A computer-readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 1 to 11.
  26. A computer program product comprising computer program instructions to cause a computer to perform the method of any one of claims 1 to 11.
  27. A computer program for causing a computer to perform the method of any one of claims 1 to 11.
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