WO2017075791A1

WO2017075791A1 - Method and apparatus for periodic measurement

Info

Publication number: WO2017075791A1
Application number: PCT/CN2015/093929
Authority: WO
Inventors: 苗金华; 权威; 张戬; 陈力
Original assignee: 华为技术有限公司
Priority date: 2015-11-05
Filing date: 2015-11-05
Publication date: 2017-05-11

Abstract

Embodiments of the present invention relate to a method and apparatus for long periodic measurement for LTE. The method comprises: a user equipment (UE) obtains a first discontinuous reception (DRX) period in an idle state, and receives a reference signal sent by a base station; the UE performs multiple times of sampling on reference signal received power when determining that the first DRX period is greater than a predetermined threshold, so as to obtain sampling results of the reference signal received power, wherein the time interval between adjacent two of the multiple times of sampling is less than the first DRX period; and the UE calculates reference signal received quality according to the sampling results. The obtained reference signal received power and received quality are closer to the finally obtained measurement result because the sampling moment is proximate to the moment when a UE measures multiple groups of cell signals. Therefore, the UE can determine, according to the reference signal received power and received quality, whether the cell where the UE is located currently meets the conditions of a serving cell, and more importantly, the measurement result of the received signal quality and received power of the cell can be more precise.

Description

Method and device for measuring period

Technical field

The present invention relates to the field of mobile communications technologies, and in particular, to a method and apparatus for periodic measurement.

Background technique

In the existing Long Term Evolution (LTE) technology, LTE needs to measure the quality of a received signal of a cell at intervals (mainly including Reference Signal Received Power (RSRP) and reference signals). Receive Signal Received Quality (RSRQ), and the measurement period of LTE is based on the discontinuous reception (DRX) cycle. Generally, in the idle state (IDLE state), the DRX cycle is a period in which the base station sends a paging message paging to a User Equipment (UE). Taking the same-frequency measurement as an example, the UE needs to perform RSRP and RSRQ measurements in the time length Tmeasure, EUTRAN_Intra. The measurement time depends mainly on the length of the idle (IDLE) state DRX cycle. The general measurement time is generally at the time of 1-4 times the DRX cycle. The measurement result can be used as an input for the UE to perform cell selection and reselection. The shorter the DRX cycle, the more accurate the measurement results will be. However, frequent measurement of the received signal quality of the cell will consume a large amount of power for the user equipment, and in order to achieve the purpose of power saving by the UE, the user generally sets the DRX cycle of the UE in the IDLE state to a large, even reaching More than 43 minutes. In this way, the period of measuring the received signal quality of the cell will also reach several hours (1-4 times DRX cycle). During such a long period of time, many changes will occur, such as user equipment movement, cell restriction or The cell is forbidden to access, etc., so that the cell signal received signal quality measurement will not be accurate.

Summary of the invention

The embodiment of the invention provides a method and a device for periodically measuring, and sampling the received power of the reference signal multiple times in a time period immediately before the time when the measurement result is obtained, and acquiring multiple sampling nodes. As a result, the reception quality of the reference signal is obtained based on the plurality of sampling results. It is precisely because the sampling moment is at the moment when the UE measures multiple sets of cell signals, and the received power and reception quality of the acquired reference signal are closer to the finally obtained measurement result. Therefore, the UE can determine whether the cell currently in the UE meets the condition of the serving cell according to the received power and the received quality of the reference signal, and more importantly, can make the measurement result of the received signal quality and the received power of the cell more accurate.

In a first aspect, the present invention provides a method of periodic measurement, the method comprising:

The UE acquires the first DRX cycle in the idle state, and receives the reference signal sent by the base station. Determining whether the period of the DRX is greater than a predetermined threshold. When the first DRX period is greater than a predetermined threshold, the received power of the reference signal is sampled multiple times to obtain a sampling result, and the receiving quality of the reference signal is calculated according to the sampling result, where multiple times. The time interval between two adjacent samples in the sampling is smaller than the first DRX cycle.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the method further includes: the UE measures the received power and the received quality of the signals of the multiple groups of cells at the measurement time, and performs the received power of the reference signal. The multiple sampling may be within a first time period, wherein the first time period is a time period immediately before the measurement time, and the first time period is less than the first DRX cycle.

When the first DRX period is greater than the predetermined threshold, the received signal power of the reference signal is sampled multiple times to obtain a plurality of sampling results, and then the received quality of the reference signal is calculated according to the plurality of sampling results. The sampling time is the first time period immediately before the measurement time, and the received power and the received quality of the obtained reference signal are closer to the final measurement result, so that the measurement of the received signal quality and the received power of the cell is more accurate.

With reference to the first aspect, in a second possible implementation manner of the first aspect, the first time period includes multiple second DRX cycles, where the UE performs in each second DRX cycle of the multiple second DRX cycles Each sample in multiple samples.

With reference to the first aspect, in a third possible implementation manner of the first aspect, the calculating the received quality of the reference signal may include:

Calculating a final received power value of the reference signal according to the plurality of sampling results; and according to the reference signal The final received power value is calculated to calculate the reception quality of the reference signal.

In combination with the first aspect to any one of the third possible implementation manners of the first aspect, in a fourth possible implementation manner of the first aspect, before determining that the first DRX period is greater than a predetermined threshold, the method further Including: obtaining the number of sampling results and the first time period.

In conjunction with the fourth possible implementation of the first aspect, in a fifth possible implementation manner of the first aspect, the specific manner of obtaining the sampling result and the first time period may be:

Before the UE transitions from the connection state to the idle state, the UE receives the RRC message sent by the base station, where the message is used to release the connection state between the UE and the base station, and the number of sampling results and the number of the sample are included in the message. A period of time.

With reference to the fourth possible implementation manner of the first aspect, in a sixth possible implementation manner of the foregoing aspect, the obtaining the sampling result and the first time period may also be:

The UE receives the non-intervention layer NAS message sent by the core network, where the message includes the number of sampling results and the first time period.

In conjunction with the fourth possible implementation of the first aspect, in a seventh possible implementation manner of the first aspect, the specific manner of obtaining the sampling result and the first time period may also be:

The UE receives the broadcast message sent by the base station, where the message includes the number of sampling results and the first time period.

In a second aspect, the present invention provides a device for periodic measurement, the device comprising:

a receiving unit, configured to receive a first discontinuous DRX cycle in an idle state, and receive a reference signal sent by the base station;

The processing unit, when determining that the first DRX period is greater than a predetermined threshold, performs multiple sampling on the received power of the reference signal, and acquires a sampling result of the received power of the reference signal, where the time interval of the adjacent two samples in the multiple sampling Less than the first DRX cycle; and based on the sampling result, the reception quality of the reference signal is calculated.

In combination with the second aspect, in the first possible implementation of the second aspect, the processing unit further uses The measurement power and the reception quality of the signals of the multiple groups of cells are measured at the measurement time; and the processing unit performs the multiple sampling of the received power of the reference signal in the first time period, and the first time period is the proximity measurement time. The previous time period, and the first time period is less than the first DRX cycle. With reference to the first possible implementation of the second aspect, in a second possible implementation manner of the second aspect, the first time period includes multiple second DRX cycles, and the processing unit may be specifically configured to: Each of the plurality of samples is taken in each second DRX cycle of the second DRX cycle.

With reference to the second aspect, in a third possible implementation manner of the second aspect, the processing unit is configured to: calculate a final received power value of the reference signal according to the sampling result, and calculate a reference according to the final received power value of the reference signal. The quality of the signal received.

In a fourth possible implementation manner of the second aspect, the receiving unit is further configured to: acquire the number of sampling results and the first time period.

With reference to the fourth possible implementation of the second aspect, in a fifth possible implementation manner of the second aspect, the receiving unit is specifically configured to: receive a radio resource control RRC message sent by the base station, where the RRC message is used for The connection state of the user equipment UE and the base station is released, where the RRC message includes the number of sampling results and the first time period.

With reference to the fourth possible implementation of the second aspect, in a sixth possible implementation manner of the second aspect, the receiving unit is specifically configured to: receive a non-access stratum NAS message sent by the core network, where the NAS message It includes the number of sampling results and the first time period.

With reference to the fourth possible implementation of the second aspect, in a seventh possible implementation manner of the second aspect, the receiving unit is specifically configured to: receive a broadcast message sent by the base station, where the number of the sampling result is included in the broadcast message And the first time period.

Based on the foregoing technical solution, a method and apparatus for periodic measurement according to an embodiment of the present invention performs multiple sampling on a received power of a reference signal in a time period before a time when a UE measures multiple sets of cell signals, and obtains a sampling result according to The sampling result obtains the reception quality of the reference signal. It is precisely because the sampling moment is at the moment of measurement, and the received power and reception quality of the acquired reference signal are closer to the finally obtained measurement result. Therefore, the UE can receive and receive according to the received power of the reference signal. The quality of the receiving cell determines whether the cell currently in the UE meets the condition of the serving cell, and more importantly, the measurement result of the received signal quality and the received power of the cell can be made more accurate.

DRAWINGS

1 is a system architecture diagram of a period measurement according to Embodiment 1 of the present invention;

2 is a schematic flowchart of a method for periodically measuring according to Embodiment 2 of the present invention;

FIG. 3 is a schematic structural diagram of a device for periodic measurement according to Embodiment 3 of the present invention.

detailed description

The technical solution of the present invention will be further described in detail below through the accompanying drawings and embodiments.

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

FIG. 1 is a system architecture diagram 100 of an LTE long period measurement according to Embodiment 1 of the present invention. As shown in FIG. 1, the system structure includes: a user equipment 10 and a base station 20. The user equipment 10 mainly includes a receiver 101, a processor 102, and a memory 103.

The memory 103 can be used to store programs/codes pre-installed by the UE at the factory, and can also store codes and the like for execution of the processor 102.

The various components in user device 10 are coupled together by a bus system 104, which in addition to the data bus includes a power bus, a control bus, and a status signal bus.

The receiver 101 is configured to receive a serving cell broadcast message sent by the base station 20 after the UE enters an idle state, and obtain a first paging period, that is, a first DRX cycle, from the message. In addition, it is also necessary to receive a reference signal transmitted by the base station.

It should be noted that the receiver 101 receives the broadcast message of the serving cell and receives the reference signal. There is no chronological order between them. It can be received first, one later, or both.

The processor 102 is configured to compare the first DRX cycle with a predetermined threshold. When the first DRX cycle is greater than the predetermined threshold, the received power of the reference signal is sampled multiple times to obtain multiple sampling results, and multiple sampling results are combined. It is stored in the memory 103, wherein the time interval of adjacent two samples in the multiple samples is smaller than the first DRX cycle.

In addition, the processor 102 is further configured to measure the received power and the reception quality of the signals of the multiple groups of cells at the measurement time. The processor 102 described above performs multiple sampling of the received power of the reference signal in a first time period, and the first time period is a time period before the measurement time, and the first time period is smaller than the first time. DRX cycle.

Optionally, the first time period may include multiple second DRX cycles, that is, the processing unit may perform each of the multiple samples in each second DRX cycle of the multiple second DRX cycles.

Further, before the processor 102 determines whether the first DRX cycle is greater than a predetermined threshold, the receiver 101 is further configured to acquire the number of sampling results and the first time period. The processor 102 samples the reference signal according to the number of sampling results acquired by the receiver 101 and the sampling time.

After performing a certain processing on the plurality of sampling results, the processor 103 obtains a final received power value of the reference signal, and calculates a reference signal receiving quality according to the final power value.

For example, the plurality of sampling results are smoothed, and then the smoothed plurality of sampling results are averaged, then the final received power value of the reference signal is obtained, and finally the reference signal receiving quality is calculated according to the final received power value. At the same time, the final received power value of the reference signal and the received quality value of the reference signal are stored in the memory 103.

The processor 102 finally determines whether the current cell meets the condition of the serving cell according to the received power and the received quality of the reference signal, that is, whether the UE continues to camp on the cell, or performs cell reselection and the like. For the specific implementation steps of the system for the periodic measurement described above, reference may be made to a method for periodic measurement provided in Embodiment 2.

2 is a schematic flowchart 200 of a method for measuring LTE long-period according to Embodiment 2 of the present invention. The functional steps included in the method are mainly performed by the system components introduced in Embodiment 1, as shown in FIG. 2 . As shown, the specific process of the method is as follows:

S210. The UE acquires a first discontinuous reception DRX cycle in an idle state, and receives a reference signal sent by the base station.

Specifically, after the UE enters the IDLE state, the receiver in the UE receives the serving cell broadcast message, where the broadcast message includes a first paging period corresponding to the cell, that is, the first discontinuous reception DRX cycle, and receives the base station. The reference signal sent.

It should be noted that there is no sequence sequence between the receiver 101 receiving the broadcast message of the serving cell and receiving the reference signal. It can be received first, one later, or both.

S220. When the UE determines that the first DRX period is greater than a predetermined threshold, the received power of the reference signal is sampled multiple times, and the sampling result of the received power of the reference signal is obtained.

Specifically, the processor in the UE first calculates the received power of the reference signal sent by the base station, and when determining that the first DRX period is greater than the predetermined threshold, performs multiple sampling on the received power of the reference signal, thereby acquiring the received power of the reference signal. The sampling result, wherein the interval between two adjacent samplings in the multiple sampling is smaller than the first DRX period.

In addition, the method further includes: the processor measures the received power and the received quality of the signals of the multiple groups of cells at the measurement time, and the processor performs the multiple sampling of the received power of the reference signal in the first time period, A time period is a time period before the measurement time, and the first time period is smaller than the first DRX cycle, and the measured time is determined by the UE according to actual conditions.

The first time period may be a time window or a plurality of second DRX cycles, wherein the processor performs each of the plurality of samples in each of the second DRX cycles of the plurality of second DRX cycles.

Optionally, before the processor in the UE determines that the first DRX period is greater than a predetermined threshold, the method further includes: Step 240: Acquire the number of sampling results and the first time period.

It should be understood that there are many ways to obtain the number of sampling results and the first time period. Here are just a few ways:

In the first acquisition mode, before the UE transitions from the connected state to the idle state, the receiver of the UE receives the Radio Resource Control (RRC) transmission sent by the base station. The information is used to release the connection state between the UE and the base station. The number of sampling results and the first time period are included in the RRC message.

In the second acquisition mode, the receiver in the UE receives a non-access stratum (NAS) message sent by the core network, where the NAS message includes the number of sampling results and the first time period.

In a third mode of obtaining, the receiver in the UE receives the broadcast message sent by the base station, where the broadcast message includes the number of sampling results and the first time period.

Optionally, a fourth acquiring manner is further included, and the number of sampling results and the first time period are pre-configured by the system and stored in a memory of the UE.

Further optionally, the length of time and the number of samples of the first time period may also be configured according to the length of time of the first DRX.

For example, if the length of the first DRX is 43 min, the first time period may be 43/10=4.3 (min), and the number of samples may also be 4.

It should be noted that, in the first time period, the received power of the reference signal is sampled multiple times, or the received power of the reference signal may be sampled multiple times in one time window, or the reference signal may be used in multiple second DRX cycles. The received power is sampled, which is two different sampling methods. The first is to collect the specified number in the time window, and the second method is to perform sampling in each of the second DRX cycles in the second DRX cycle. Although the sampling method is different, the technical effects are similar. Both are to make the final measurement results more accurate.

S230. Calculate a reception quality of the reference signal according to the plurality of sampling results.

Specifically, a plurality of sampling results may be processed to obtain a final received power value of the reference signal, and the received quality of the reference signal is calculated according to the final received power value of the reference signal.

For example, the processor in the UE performs smoothing processing on the plurality of sampling results, obtains the plurality of sampling results after the smoothing process, and averages the smoothed sampling results as the final received power value of the reference signal, and The reception quality of the reference signal is calculated based on the received power value of the reference signal.

The formula for obtaining the reference signal quality can be expressed by Equation 2-1:

The RSRQ is the reception quality of the reference signal, the RSRP is the received power of the reference signal, the strength indication of the RSSI carrier received signal, and N is the number of resource blocks of the RSSI measurement bandwidth. The RSRP is obtained in step S220, and the method for obtaining the RSSI, N is a prior art, and details are not described herein again.

It should be noted that, after acquiring the received power of the reference signal and the received quality of the reference signal, the UE determines whether the current cell of the UE meets the condition of the serving cell according to the received power and the received quality of the obtained reference signal, and if yes, the UE Will reside in the cell. Otherwise, the UE will perform a cell reselection procedure. The specific cell reselection process is prior art, and details are not described herein again.

In a specific example, after the UE enters the IDLE state, the receiver first receives the serving cell broadcast message, and obtains a first paging period corresponding to the cell, that is, the first DRX period, from the broadcast message, The cycle is sent to the processor. For example, the first DRX cycle is 43 min and the predetermined threshold is 10 min. Thus, the processor can determine that the first DRX cycle is greater than a predetermined threshold. The processor needs to sample the received power of the reference signal multiple times to obtain the corresponding sampling result. The specific sampling period and the number of samples can be obtained by any one of the methods in step 220. For example, the sampling time period is a first time period, and the time period is a time window, and the specific time Twin is 3 minutes. The time T at which the UE measures the received power and the reception quality of the plurality of groups of cells is at the 43rd minute, and the start time of the sampling is:

T _mining = TT _win = 43-3 = 40 (min)

That is, sampling starts at the 40th minute, and sampling ends at the 43th minute. The number of samples is also obtained according to any one of the methods described in step 220. For example, the number of samples is N=4, that is, the sampled values of the received power of the four reference signals are obtained, and the sampled values are smoothed. The average value is obtained, and then the final value of the power is received as a reference signal, and the quality of the reference signal is calculated according to the formula (2-1).

Generally, the result of the received power of the reference signal acquired in a short period of time immediately before the measurement time is closer to the final measurement result, and similarly, the reception quality of the reference signal calculated based on the received power of the reference signal The result is also closer to the final received signal of the cell As a result of the quality, the final measurement result can be made more accurate. At the same time, the UE can also determine whether the current cell where the UE is located meets the condition of the serving cell according to the reference signal received power and the reference signal received quality obtained by the sampling result. In accordance with, the UE will camp on the cell. Otherwise, the UE will perform a cell reselection procedure. The specific cell reselection process is prior art, and details are not described herein again.

In another specific example, the first time period for sampling the received power of the reference signal may also be multiple second DRX cycles, and other steps are the same as the previous example, and are not described herein again.

Assume that the second DRX cycle can be 2.56 s and the number M is 4. The time of sampling is the difference between the measurement time and the first time period, that is,

That is, sampling starts at 42.83min, and the sampling period is 10.24s.

A method for periodically measuring a second embodiment of the present invention performs multiple sampling on a received power of a reference signal in a time period immediately before a measurement time, acquires multiple sampling results, and acquires a reference signal according to multiple sampling results. quality. It is precisely because the sampling moment is at the moment of measurement, and the received power and reception quality of the acquired reference signal are closer to the finally obtained measurement result. Therefore, the UE can determine whether the cell currently in the UE meets the condition of the serving cell according to the received power and the received quality of the reference signal, and more importantly, can make the measurement result of the received signal quality and the received power of the cell more accurate.

FIG. 3 is a schematic structural diagram of a device for periodically measuring according to Embodiment 3 of the present invention. As shown in FIG. 3, the device includes: a receiving unit 301 and a processing unit 302.

The receiving unit 301 is configured to receive a first DRX cycle in an idle state, and receive a reference signal sent by the base station.

Specifically, when the UE is in the IDLE state, the receiving unit 301 is configured to receive a broadcast message of the serving cell, obtain a paging period corresponding to the cell from the cell message, that is, a first DRX cycle, and receive the sending by the base station. Reference signal.

It should be noted that there is no sequence sequence between the receiving unit 301 receiving the broadcast message of the serving cell and receiving the reference signal. It can be received first, one later, or both.

The processing unit 302 is configured to: when determining that the first DRX period is greater than a predetermined threshold, perform multiple sampling on the received power of the reference signal, and acquire a sampling result of the received power of the reference signal.

Specifically, when determining that the first DRX period is greater than a predetermined threshold, the processing unit 302 performs multiple sampling on the received power of the reference signal from the base station, thereby acquiring multiple sampling results, where the two consecutive samples are sampled twice. The time interval is less than the first DRX cycle.

The processing unit 302 is further configured to measure the received power and the received quality of the signals of the multiple groups of cells at the measurement time, wherein the measurement time is determined according to actual conditions. The processing unit may sample the received power of the reference signal in a first time period, where the first time period is a time period before the measurement time, and the first time period is smaller than the first DRX cycle.

Further, before the processing unit determines whether the first DRX cycle is greater than a predetermined threshold, the receiving unit 301 is further configured to acquire the number of sampling results and the first time period. The processing unit samples the reference signal according to the number of sampling results acquired by the receiving unit and the sampling time.

There are many ways to get the number of sampling results and the first time period. Here are just a few ways:

In the first mode, the receiving unit 301 receives a Radio Resource Control (RRC) message sent by the base station to release the connection state between the UE and the base station before the UE transitions from the connected state to the idle state. . The number of sampling results and the first time period are included in the RRC message.

In the second acquisition mode, the receiving unit 301 receives a non-access stratum (NAS) message sent by the core network, where the NAS message includes the number of sampling results and the first time period.

In a third manner, the receiving unit 301 receives the broadcast message sent by the base station, where the broadcast message includes the number of sampling results and the first time period.

Optionally, the fourth obtaining manner may also be included, the number of sampling results and the first time period are Processing unit 302 is pre-configured.

Further, the processing unit 302 may further configure the length of time and the number of samples of the first time period according to the length of time of the first DRX.

It should be noted that the first time period may be a time window or multiple second DRX cycles. That is, the reference signal is sampled in the first time period, and the received power of the reference signal may be sampled multiple times in one time window, or the received power of the reference signal may be sampled in multiple second DRX cycles. There are two different sampling methods. Although the sampling method is different, the technical effects are similar. Both make the final measurement more accurate.

The processing unit 302 is further configured to calculate a reception quality of the reference signal according to the sampling result.

Specifically, the processing unit 302 may perform a certain processing on the plurality of sampling results, obtain a final received power value of the reference signal, and calculate a receiving quality of the reference signal according to the final received power value of the reference signal.

For example, the processing unit 302 performs smoothing processing on the plurality of sampling results, obtains a plurality of sampling results after the smoothing process, and averages the smoothed sampling results as the final received power value of the reference signal, and according to the The received power value of the reference signal is used to calculate the reception quality of the reference signal.

The formula for specifically obtaining the reference signal quality can be expressed by the formula 2-1 in the above second embodiment, and details are not described herein again.

It should be noted that, after the processing unit 302 acquires the received power of the reference signal and the received quality of the reference signal, it is determined whether the current cell of the UE meets the condition of the serving cell according to the received power and the received quality of the obtained reference signal, if the condition is met. The UE will camp on the cell. Otherwise, the UE will perform a cell reselection procedure. The specific cell reselection process is prior art, and details are not described herein again.

In a specific example, after the UE enters the IDLE state, the receiving unit first receives the serving cell broadcast message, and obtains a first paging period corresponding to the cell from the broadcast message. That is, the first DRX cycle, and the first DRX cycle is sent to the processing unit. For example, the first DRX cycle is 43 min and the predetermined threshold is 10 min. Thus, the processing unit can determine that the first DRX cycle is greater than a predetermined threshold. The processing unit needs to sample the received power of the reference signal multiple times to obtain a corresponding sampling result. The specific sampling period and the number of samples can be obtained by any one of the methods described in this embodiment. For example, the sampling time period is a first time period, and the time period is a time window, and the specific time Twin is 3 minutes. The time T at which the processing unit measures the received power and the reception quality of the plurality of groups of cells is at the 43rd minute, and the start time of the sampling is:

T _mining = TT _win = 43-3 = 40 (min)

That is, sampling starts at the 40th minute, and sampling ends at the 43th minute. The number of samples is also obtained according to any one of the methods described in this embodiment. For example, the number of samples is N=4, that is, the sample values of the received power of four reference signals are obtained, and the sampled values are smoothed. After that, the average value is obtained, and then the final value of the power is received as a reference signal, and the quality of the reference signal is calculated according to the formula (2-1).

That is, sampling starts at 42.83min, and the sampling period is 10.24s.

It should be noted that, in the embodiment of the present invention, the receiving unit 301 can be implemented by the receiver 101 in the first embodiment, and the processing unit 302 can be implemented by the processor 102. According to a third embodiment of the present invention, the apparatus for periodically measuring the received power of the reference signal acquired in a short period of time before the measurement time is closer to the final measurement result, and similarly, according to the reference signal reception. The result of the received quality of the reference signal calculated by the power is also closer to the result of the final received signal quality of the cell, thereby making the final measurement result more accurate, and the processing unit can also receive the power according to the reference signal obtained by the sampling result. And the reference signal receiving quality determines whether the current cell where the UE is located meets the condition of the serving cell, and if so, the UE will camp on the cell. Otherwise, the UE will perform a cell reselection procedure.

A person skilled in the art should further appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both, in order to clearly illustrate hardware and software. Interchangeability, the composition and steps of the various examples have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

The steps of a method or algorithm described in connection with the embodiments disclosed herein can be implemented in hardware, a software module executed by a processor, or a combination of both. The software module can be placed in random access memory (RAM), memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or technical field. Any other form of storage medium known.

The specific embodiments of the present invention have been described in detail with reference to the preferred embodiments of the present invention. All modifications, equivalent substitutions, improvements, etc., made within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

A method of periodic measurement, the method comprising:

The user equipment UE acquires the first discontinuous DRX cycle in an idle state, and receives a reference signal sent by the base station;

When the UE determines that the first DRX period is greater than a predetermined threshold, performing multiple sampling on the received power of the reference signal, and acquiring a sampling result of the received power of the reference signal, where the multiple sampling is performed. The time interval between two adjacent samples is smaller than the first DRX cycle;

The UE calculates a reception quality of the reference signal according to the sampling result.
The method of claim 1 further comprising:

The UE measures the received power and the received quality of the signals of the multiple groups of cells at the measurement time;

The first time period is a time period before the measurement time, and the first time period is smaller than the first time period. A DRX cycle.
The method of claim 2, further comprising:

The first time period includes a plurality of second DRX cycles, wherein the UE performs each of the plurality of samples in each second DRX cycle of the plurality of second DRX cycles.
The method according to claim 1, wherein the calculating, by the UE, the reception quality of the reference signal according to the sampling result comprises:

Calculating a final received power value of the reference signal according to the sampling result;

And determining a reception quality of the reference signal according to a final received power value of the reference signal.
The method according to any one of claims 1 to 4, wherein before the determining that the first DRX period is greater than a predetermined threshold, the method further comprises: acquiring the number of the sampling results and the number A period of time.
The method according to claim 5, wherein the obtaining the number of the sampling results and the first time period is specifically:

Receiving the radio resource control sent by the base station before the UE transitions from the connected state to the idle state The RRC message is used to release the connection state of the UE and the base station, where the RRC message includes the number of the sampling results and the first time period.
The method according to claim 5, wherein the obtaining the number of the sampling results and the first time period is specifically:

The UE receives the non-access stratum NAS message sent by the core network, where the NAS message includes the number of the sampling results and the first time period.
The method according to claim 5, wherein the obtaining the number of the sampling results and the first time period is specifically:

The UE receives a broadcast message sent by the base station, where the broadcast message includes the number of the sampling results and the first time period.
A device for periodic measurement, the device comprising:

a receiving unit, configured to receive a first discontinuous DRX cycle in an idle state, and receive a reference signal sent by the base station;

a processing unit, configured to: when the first DRX period is greater than the predetermined threshold, perform multiple sampling on the received power of the reference signal, and acquire a sampling result of the received power of the reference signal, where the The time interval of two consecutive samples in the multiple sampling is smaller than the first DRX cycle;

The processing unit is further configured to calculate a reception quality of the reference signal according to the sampling result.
The device according to claim 9, wherein the processing unit is further configured to:

Measuring the received power and reception quality of signals of multiple groups of cells at the measurement time;

The processing unit performs multiple sampling on the received power of the reference signal in a first time period, the first time period is a time period immediately before the measurement time, and the first time period is smaller than the first time period. The first DRX cycle.
The apparatus according to claim 10, wherein the first time period comprises a plurality of second DRX cycles, and the processing unit is specifically configured to:

Each of the plurality of samples is performed in each second DRX cycle of the plurality of second DRX cycles.
The device according to claim 9, wherein the processing unit is specifically configured to:

Calculating a final received power value of the reference signal according to the sampling result;

And determining a reception quality of the reference signal according to a final received power value of the reference signal.
The apparatus according to any one of claims 9 to 12, wherein the receiving unit is further configured to: acquire the number of the sampling results and the first time period.
The device according to claim 13, wherein the receiving unit is specifically configured to:

Receiving a radio resource control RRC message sent by the base station, where the RRC message is used to release a connection state between the user equipment UE and the base station, where the RRC message includes the number of the sampling results and the first time segment.
The device according to claim 13, wherein the receiving unit is specifically configured to:

Receiving a non-access stratum NAS message sent by the core network, where the NAS message includes the number of the sampling results and the first time period.
The device according to claim 13, wherein the receiving unit is specifically configured to:

Receiving a broadcast message sent by the base station, where the broadcast message includes the number of the sampling results and the first time period.