WO2011134267A1 - 一种小区测量结果处理方法及系统 - Google Patents

一种小区测量结果处理方法及系统 Download PDF

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Publication number
WO2011134267A1
WO2011134267A1 PCT/CN2010/080141 CN2010080141W WO2011134267A1 WO 2011134267 A1 WO2011134267 A1 WO 2011134267A1 CN 2010080141 W CN2010080141 W CN 2010080141W WO 2011134267 A1 WO2011134267 A1 WO 2011134267A1
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measurement result
cell
serving cell
neighboring
received
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PCT/CN2010/080141
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English (en)
French (fr)
Inventor
卓越
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中兴通讯股份有限公司
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Publication of WO2011134267A1 publication Critical patent/WO2011134267A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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

Definitions

  • the present invention relates to a mobile communication system, and in particular, to a method and system for processing a cell measurement result. Background technique
  • a cell In a mobile communication system, a cell (CELL) is a communication service area that can divide a mobile communication terminal (i.e., a user terminal).
  • the UE After the UE (User Equipment) is powered on and selects a PLMN (Public Land-Mobile Network), the UE starts to find a suitable cell camp in the PLMN. This process is called "cell selection”. .
  • the currently camped cell is called a "serving cell.”
  • the UE After the UE camps on the serving cell, it will receive the same-frequency, inter-frequency, and inter-system neighboring cell information of the current serving cell broadcasted in the SIB (System Information Block). Since the UE is always in a mobile state, the signal strength of the current serving cell and the signal strength of the neighboring cell are always in a certain change, and the UE needs to find a cell that is better in signal strength than the current serving cell. This is the process of measuring better cell reselection.
  • SIB System Information Block
  • the rule for measuring cell reselection is: Received Signal Code Power (RSCP) received according to physical layer measurement
  • RSCP Received Signal Code Power
  • the S code Sserv of the serving cell is calculated by some parameters in the signal code power and the SIB information, and then the Sserv is compared with the threshold value of the adjacent frequency band (from the SIB information) of the same frequency, different frequency, and system. If the Sserv is less than the same frequency threshold Sintra, the intra-frequency neighbor measurement is initiated.
  • the serving cell also needs to calculate the R value.
  • HCS Hierarchical Cell Structure
  • the H value needs to be calculated (for details, see 3GPP TS). 25.304 agreement).
  • the S value, the R value, and the H value of the cell are calculated according to the RSCP value of each cell according to the reporting of the physical layer neighboring cell measurement.
  • the value of H is used as the evaluation filter condition in the case of configuring HCS.
  • the R value is the basis for judging the better cell. If the cell S value is greater than 0 and smaller than Sintra, the cell with the R value better than the serving cell R value can be re-elected.
  • the cell in the idle state must calculate the above S value, R value and H value at all times, so that the signal strength change relationship between the serving cell and the neighboring cell can be evaluated in real time, and the cell that is more suitable for camping can be reselected in real time.
  • the protocol requires that the reporting period of the serving cell in the idle state is 200 ms, and the reporting time of various neighboring cells is also several hundred milliseconds. Therefore, most of the time in the idle state is consumed in the processing of the physical layer serving cell and the various neighboring cells, and the energy consumption of the UE is increased. Summary of the invention
  • the main technical problem to be solved by the present invention is to provide a 'J, area measurement result processing method and system thereof that can save system resources and energy consumption.
  • the present invention provides a cell measurement result processing method, including a serving cell measurement result processing process, where the cell measurement result processing process includes: comparing a serving cell when the measurement result of the serving cell is not received for the first time The measurement result and the measurement result of the last received serving cell determine whether to perform the evaluation of the measurement result of the serving cell based on the comparison result.
  • comparing the measurement result of the serving cell with the measurement result of the last received serving cell determining whether to perform the measurement result measurement of the serving cell according to the comparison result specifically includes: calculating the measurement of the serving cell Result of received signal code power and last time a first difference of received signal code power of the received measurement result of the serving cell; comparing the first difference with a preset first threshold; when the first difference is greater than or equal to the first When the value is obtained, the measurement result of the Yueliang Community is evaluated.
  • the evaluating the measurement result of the serving cell includes: updating a measurement result of the serving cell, recalculating the evaluation parameter of the serving cell; the evaluation parameter of the serving cell includes an S value and an R value; and the method further includes: The parameter determines whether to start the measurement result processing procedure of the neighboring cell; the determining, according to the evaluation parameter of the serving cell, whether to start the measurement process of the neighboring area, if the S value is less than the third threshold and greater than 0, the neighboring cell is started.
  • the measurement process flow is: updating a measurement result of the serving cell, recalculating the evaluation parameter of the serving cell; the evaluation parameter of the serving cell includes an S value and an R value; and the method further includes: The parameter determines whether to start the measurement result processing procedure of the neighboring cell; the determining, according to the evaluation parameter of the serving cell, whether to start the measurement process of the neighboring area, if the S value is less than the third threshold and greater than 0, the neighboring cell is started.
  • the processing result of the measurement process of the starting neighboring area includes: when the measurement result of the neighboring area is not received for the first time, comparing the measurement result of the neighboring area with the measurement result of the neighboring area received last time, and determining whether to perform the neighboring area according to the comparison result Evaluation of the measurement results.
  • the measurement result of the neighboring area and the measurement result of the neighboring area received last time are compared, and whether the measurement result of the neighboring area is evaluated according to the comparison result includes: calculating the measurement result of the neighboring area a second difference between the received signal code power and the received signal code power of the last received neighboring measurement result; comparing the second difference with a preset second threshold; when the second difference When the value is greater than or equal to the second threshold, the measurement result of the neighboring region is evaluated.
  • the evaluation of the measurement result of the neighboring area includes: updating the measurement result of the neighboring area, and recalculating the evaluation parameter of the neighboring area.
  • a cell measurement result processing system including a serving cell processing module and a neighboring cell processing module, where the serving cell processing module is configured to process a measurement result of a serving cell, and the neighboring cell processing module is configured to process a neighboring cell measurement result, where The serving cell processing module is further configured to compare the measurement result of the serving cell and the measurement result of the last received serving cell when the measurement result of the serving cell is not received for the first time, and determine whether to perform the measurement result evaluation of the serving cell according to the comparison result.
  • the serving cell processing module includes: a calculating unit, configured to calculate a measurement node of the serving cell a first difference between the received signal code power and the received signal code power of the measurement result of the last received serving cell; a comparing unit, configured to compare the first difference with a preset first threshold; The processing unit is configured to perform measurement result evaluation of the serving cell when the first difference is greater than or equal to the first threshold.
  • the evaluating the measurement result of the serving cell includes: updating a measurement result of the serving cell, recalculating the evaluation parameter of the serving cell; the evaluation parameter of the serving cell includes an S value and an R value; and the processing module is further configured to: When the S value is less than the third threshold and greater than 0, the neighboring cell processing module is notified to start the measurement process of the neighboring cell.
  • the neighboring area processing module is further configured to start a processing process of the neighboring area measurement result according to the notification of the serving cell processing unit; and compare the measurement result of the neighboring area with the last received result when the measurement result of the neighboring area is not received for the first time The measurement result of the neighboring area determines whether to evaluate the measurement result of the neighboring area based on the comparison result.
  • the neighboring area processing module includes: a calculating unit, configured to calculate a second difference between the received signal code power of the measurement result of the neighboring cell and the received signal code power of the measurement result of the neighboring zone received last time; And the processing unit is configured to perform measurement of the measurement result of the neighboring area when the second difference is greater than or equal to the second threshold.
  • the present invention compares the measurement result of the serving cell with the previous measurement result, determines whether to perform evaluation of the serving cell according to the comparison result, and changes the measurement result of the serving cell when the user equipment is stationary or the location is not greatly changed. Not large, thus reducing unnecessary evaluation calculations and reducing energy consumption.
  • the present invention uses the first threshold value, and does not perform an evaluation calculation on the measurement result of the serving cell whose change value is smaller than the threshold value, and reduces frequent evaluation and calculation due to frequent reporting of the measurement result of the serving cell, and
  • the threshold can be set according to experience, and can be based on signals in the actual network. The dynamic adjustment of the fluctuation size increases flexibility.
  • the present invention compares the neighboring area measurement result with the previous measurement result, and determines whether to perform the evaluation of the neighboring area according to the comparison result, and changes the measurement result of the neighboring area when the user equipment is stationary or the position is not greatly changed. Not much, further reducing unnecessary evaluation calculations and reducing energy consumption.
  • the second wide value is used in the present invention, and the measurement result of the neighboring area whose variation value is smaller than the threshold value is not calculated and evaluated, and the frequent occurrence due to frequent reporting of the physical layer result of the neighboring area in the reselection process is reduced. Evaluation and calculation, especially when the UE measurement value changes are not changed for a long time, a large number of unnecessary calculations and evaluations are reduced, which not only saves system resources, but also improves the system's power saving performance.
  • FIG. 1 is a schematic structural view of an embodiment of a system of the present invention
  • FIG. 2 is a schematic structural view of another embodiment of the system of the present invention.
  • FIG. 3 is a flowchart of processing a measurement result of a serving cell according to an embodiment of the present invention
  • FIG. 4 is a flowchart of processing a measurement result of a serving cell according to another embodiment of the method of the present invention
  • FIG. 6 is a flowchart of processing of neighboring area measurement results according to another embodiment of the method of the present invention.
  • a specific implementation manner of the cell measurement result processing system of the present invention includes a serving cell processing module and a neighboring cell processing module, where the serving cell processing module is configured to process the measurement result of the serving cell, and the neighboring cell processing module is used. Processing the neighboring area measurement result; the serving cell processing module is further configured to compare the measurement result of the serving cell and the measurement result of the last received serving cell when the measurement result of the serving cell is not received for the first time, and determine whether to perform the service according to the comparison result. Evaluation of the measurement results of the cell.
  • the measurement result of receiving the serving cell for the first time refers to the system after the system is started.
  • the measurement result of the non-first receiving serving cell refers to any time when the measurement result of the serving cell is received, except for the measurement result of the first receiving the serving cell after the system is started. It may be the second time, maybe the third time, or it may be the measurement result of the 1000th or 10000th reception cell.
  • the serving cell processing module may further include a calculating unit, a comparing unit, and a processing unit, where the calculating unit is configured to calculate an RSCP of the measurement result of the serving cell and a first RSCP of the measurement result of the last received serving cell.
  • the comparison unit is configured to compare the first difference with the preset first threshold; the processing unit is configured to not perform the evaluation of the measurement result of the serving cell when the first difference is less than the first threshold; When the first difference is greater than or equal to the first threshold, the measurement result of the serving cell is evaluated.
  • performing the measurement result evaluation of the serving cell includes: updating the measurement result of the serving cell, and recalculating the evaluation parameter of the serving cell; the evaluation parameter of the serving cell includes the S value R value, when the network side needs to be configured to use the HCS
  • the evaluation parameters also include the H value.
  • the serving cell processing module is further configured to: when the S value is less than the third threshold and greater than 0, notify the neighboring processing module to start the measurement process of the neighboring region; when the S value is greater than or equal to the third threshold or the S value is less than or equal to When 0, the measurement process of the neighboring area is not started.
  • the neighboring area processing module is further configured to start a neighboring area measurement result processing process according to the notification of the serving cell processing unit; and compare the neighboring area measurement result with the last received neighboring area when the measurement result of the neighboring area is not received for the first time
  • the measurement result determines whether to evaluate the measurement result of the neighboring area based on the comparison result.
  • the measurement result of the neighboring area received for the first time refers to the measurement result of the neighboring area received for the first time after the system is started
  • the measurement result of the non-first-time receiving neighboring area refers to the first receiving of the neighboring area after the system is started.
  • the rest of the measurement results received by the neighboring area may be the second time, which may be the third time, or may be the measurement result of the 1000th or 10000th receiving neighboring area.
  • the S value and the R value of the cell are calculated according to the RSCP value of each cell according to the report of the neighboring area measurement of the physical layer.
  • the evaluation parameter is used.
  • the number also includes the H value.
  • the H value is used as an evaluation filter condition in the case of configuring HCS.
  • the R value is a criterion for reselecting a better cell. If the cell S value is greater than 0 and less than the third threshold, the cell with the R value better than the serving cell R value may be re-elected.
  • the third threshold is Sintra. The user can set the third threshold as needed.
  • the cell in the idle state must calculate the above S value and R value at all times.
  • the H value needs to be calculated, so that the signal strength change relationship between the serving cell and the neighboring cell can be evaluated in real time. Reselect in real time to a cell that is more suitable for camping.
  • the neighboring area processing module may further include a calculating unit, a comparing unit, and a processing unit, where the calculating unit is configured to calculate a second difference between the RSCP of the measurement result of the neighboring area and the RSCP of the measurement result of the neighboring area received last time; Comparing the second difference with the preset second threshold; the processing unit is configured to: when the second difference is less than the second threshold, not to evaluate the neighbor; and the second difference is greater than or equal to the second Wide value, for the assessment of the neighborhood.
  • the evaluating the measurement result of the neighboring area comprises: updating the measurement result of the neighboring area, and recalculating the evaluation parameter of the neighboring area.
  • the measurement result of the neighboring cell is updated, including updating the RSCP of the neighboring cell.
  • the evaluation parameters of the neighboring cell include the S value and the R value.
  • the evaluation parameter of the neighboring cell further includes the H value.
  • the terminal After the terminal is camped on a cell, the terminal continuously measures the RSCP value of the cell, and calculates the S value according to the RSCP value and the parameter in the system information. Only the cell with the S value greater than 0 and less than the third threshold can satisfy the resident. The condition, that is to say, when the calculated cell S ⁇ 0 or S ⁇ Sintra, the cell will not be able to camp.
  • Srxlev is the neighboring S value
  • (3 ⁇ 4 ⁇ beaut ⁇ is the RSCP measurement of the neighboring area
  • Qrxlevmin and Pcompensation are the cell parameters from the system information SIB.
  • Rn Qmeas,n - Qoffset s , n - TO n * ( 1 - Ln)
  • the above two formulas are respectively the formula for calculating the R value of the serving cell and the neighboring cell.
  • Qmeas, s is the RSCP of the serving cell
  • Qmeas, n is the RSCP of the neighboring cell
  • the latter parameters are all derived from the SIB information.
  • the R value evaluates the relative strength of the signal strength. When the R value of the neighboring cell is greater than the R value of the serving cell, the neighboring cell signal is considered to be better than the serving cell. After a period of time, the neighboring cell is considered to be more suitable for the terminal than the current serving cell. Residing, therefore, cell reselection needs to occur to camp on the new cell.
  • the above two formulas are the calculation formulas of the H value of the serving cell and the neighboring cell, respectively.
  • Qmeas, s is the RSCP of the serving cell
  • Qmeas, n is the RSCP of the neighboring cell
  • the latter parameters are all derived from the SIB information.
  • the H value is a judgment parameter that is added when the hierarchical cell hierarchy is used. For example, in some scenarios, the reselection can occur only when the R value is better than the serving cell R value, and the H value satisfies certain conditions. .
  • a specific implementation manner of the cell measurement result processing method of the present invention includes: a serving cell measurement result processing process, where the serving cell measurement result processing process includes: comparing the measurement result of the serving cell when the measurement result of the serving cell is not received for the first time The measurement result of the serving cell received last time determines whether to perform the measurement result evaluation of the serving cell and whether to start the measurement result processing procedure of the neighboring cell according to the comparison result.
  • the serving cell measurement result processing process includes, when the serving cell measurement result is received for the first time, updating the serving cell measurement result, and calculating the evaluation parameter of the serving cell.
  • the measurement result of the update serving cell includes the RSCP of the serving cell, and the evaluation parameters of the serving cell include the S value and the R value.
  • the evaluation parameter further includes the H value.
  • the neighboring area measurement result processing process includes: when the measurement result of the neighboring area is not received for the first time, comparing the measurement result of the neighboring area with the measurement result of the neighboring area received last time, determining whether Perform assessment of measurement results in the neighborhood.
  • the neighboring area measurement result sets the initial value N1, and the initial value N1 is an invalid value, and the initial value Nl is also restored when the neighboring area measurement fails or the neighboring area measurement result is deleted.
  • the neighboring area measurement result is N1
  • the new RSCP value of the neighboring area is recorded, and the neighboring area evaluation parameters are calculated, including calculating the S value and the R value.
  • the HCS needs to be configured, the H value needs to be calculated, and the neighbor is evaluated. Whether the district meets the conditions for re-election assessment.
  • FIG. 3 illustrates a physical layer serving cell measurement result processing process according to an embodiment of the present invention, including the following steps:
  • Step 302 Calculate a first difference D1; the calculating unit obtains a first difference D1 between the RSCP of the measurement result of the serving cell and the RSCP of the measurement result of the last received serving cell.
  • Step 304 Determine whether D1 is greater than or equal to the first threshold M1; the determining unit compares the first difference D1 with the preset first threshold M1, and Ml is an empirical value, and the signal fluctuation can be performed in the actual network. The size is dynamically adjusted. If D1 is greater than or equal to M1, go to step 306; otherwise, go to step 308.
  • Step 306 Perform measurement evaluation of the service area of the service.
  • Step 308 End; the processing process of the measurement result of the serving cell is not performed.
  • FIG. 4 is a flowchart of processing a measurement result of a physical layer serving cell according to another embodiment of the present invention, including the following steps:
  • Step 402 Start a processing process of the serving cell measurement result.
  • Step 404 Determine whether it is the initial reporting of the serving cell measurement result; if it is the initial report, go to step 410; if it is not the first time, go to step 406.
  • Step 406 Calculate the first difference D1; the calculating unit obtains the first difference D1 between the RSCP of the measurement result of the serving cell and the RSCP of the measurement result of the last received serving cell.
  • Step 408 Determine whether the first difference value D1 is greater than or equal to the first threshold value M1; determine whether the difference between the currently reported serving cell RSCP value and the stored previous RSCP value for evaluation is greater than or equal to a preset first threshold Ml If it is greater than or equal to the first threshold M1, go to step 410; if it is less than the first threshold M1, the measurement result evaluation of the service cell is not performed.
  • Step 410 The serving cell RSCP value is saved, and the S value and the R value of the serving cell are calculated according to the value and the parameter from the system information.
  • the H value needs to be calculated, for the serving cell.
  • the measurement results are evaluated.
  • the evaluation of the measurement result of the serving cell includes: updating the measurement result of the serving cell, and recalculating the evaluation parameter of the serving cell; the evaluation parameter of the serving cell includes an S value and an R value; when the S value is less than the third threshold When it is greater than 0, the measurement process of the neighboring area is started.
  • Step 412 End; the processing flow of the measurement result of the serving cell is not performed.
  • FIG. 5 illustrates a processing flow of a neighboring area measurement result according to an embodiment of the present invention, including the following steps:
  • Step 502 Calculate a second difference value D2; the calculation unit obtains a second difference D2 between the RSCP of the measurement result of the neighboring area and the RSCP of the measurement result of the neighboring area received last time.
  • Step 504 Determine whether D2 is greater than or equal to M2; the comparing unit compares the second difference D2 with the preset second threshold M2, and if D2 is greater than or equal to M2, go to step 506; otherwise, go to step 508.
  • Step 506 Perform measurement evaluation of the neighboring area.
  • the evaluation of the measurement results of the neighboring area includes: updating the measurement results of the neighboring area, and recalculating the evaluation parameters of the neighboring area.
  • the measurement result of the neighboring cell is updated, including updating the RSCP of the neighboring cell.
  • the evaluation parameters of the neighboring cell include the S value and the R value.
  • the evaluation parameter of the neighboring cell further includes the H value.
  • Step 508 The evaluation of the measurement results of the neighboring area is not performed.
  • the use of the first threshold M1 of the serving cell and the second threshold M2 of the neighboring cell greatly reduces the frequent evaluation and calculation caused by the frequent reporting of the physical layer results of the serving cell and the neighboring cell during the reselection process. Especially when the UE (ie User Equipment) measurement value changes long In the case of a period of little change, a large amount of unnecessary calculations and evaluations are reduced, which not only saves system resources, but also improves the system's power saving performance.
  • FIG. 6 shows a processing flow of a physical layer neighboring area measurement result according to another embodiment of the present invention, which includes the following steps:
  • Step 602 Start the processing process of the neighboring area measurement result.
  • Step 604 Traverse the cell result in the physical layer result message, and the traversal is completed.
  • Step 606 Determine whether the cell result is reported for the first time.
  • the initial RSCP storage value of the neighboring area is N1. If the initial time jumps to step 610, the first time jumps to step 608.
  • Step 608 Calculate a second difference value D2; the calculation unit obtains a second difference D2 between the RSCP of the measurement result of the neighboring area and the RSCP of the measurement result of the neighboring area received last time.
  • Step 610 Determine whether D2 is greater than or equal to the second threshold; determine whether the difference between the RSCP value of the cell and the RSCP value of the last evaluation record is greater than or equal to M2, and if the difference D2 is greater than or equal to M2, the process proceeds to step 612; If it is less than M2, the evaluation of the cell ends, and in step 604, the next cell is traversed.
  • Step 612 Perform evaluation of the measurement result of the neighboring area.
  • Performing the evaluation of the measurement result of the neighboring area includes saving the neighboring area RSCP value of the current measurement, and calculating the S value of the neighboring area according to the value and the parameter from the system information.
  • R value when the network side needs to be configured to use HCS, you need to calculate the H value.
  • Step 614 End; no evaluation of the measurement results of the neighboring area is performed.

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Description

一种小区测量结果处理方法及系统 技术领域
本发明涉及移动通信系统， 尤其涉及一种小区测量结果处理方法及系 统。 背景技术
在移动通信系统中， 小区 （CELL )是可以对移动通信终端（即用户终 端）进行划分的通信服务区。
当 UE ( User Equipment, 用户设备）上电并选择一个 PLMN ( Public Land-Mobile Network , 公众陆地移动电话网）后， UE开始在此 PLMN内寻 找合适的小区驻留， 这个过程叫做"小区选择"。 当前驻留的小区称为 "服务 小区"。 UE驻留服务小区后会收到 SIB ( System Information Block, 系统信 息块） 中广播的当前服务小区的同频、 异频以及制式间邻区信息。 由于 UE 始终处于移动的状态，因此 UE接收到当前服务小区的信号强度和邻区的信 号强度总是处于一定的变化中， UE需要找到信号强度比当前服务小区信号 强度更好的小区选择驻留， 这就是测量发现更好小区重选过程。
在 TD-SCDMA ( Time Division-Synchronous Code Division Multiple Access, 时分同步的码分多址技术）系统中， 测量小区重选的规则是： 根据 物理层测量得到的服务小区 RSCP ( Received Signal Code Power, 接收信号 码功率）和 SIB信息中的一些参数计算得到服务小区的 S值 Sserv, 然后将 Sserv分别与同频、 异频、 制式间邻区的门限值（来源于 SIB信息）进行比 较。 如果 Sserv小于同频门限 Sintra, 则启动同频邻区测量。 同时为了重选 评估， 服务小区还需要计算 R值， 网络配置使用 HCS (即 Hierarchical Cell Structure, 等级小区结构） 时， 还需计算 H值（具体内容请参见 3GPP TS 25.304协议）。
启动邻区测量后， 根据物理层邻区测量的上报， 需要根据各个小区的 RSCP值计算出小区的 S值、 R值与 H值。 其中 H值作为配置 HCS情况下 的评估过滤条件。 R值是重选更好小区的判断依据， 小区 S值大于 0且小 于 Sintra的情况下，就可以对 R值比服务小区 R值好的小区进行重选评估。 处于空闲状态下的小区， 必须时刻地计算上述的 S值、 R值和 H值， 这样 才能实时地评估服务小区和邻区的信号强度变化关系， 实时地重选到更适 合驻留的小区。
由重选过程的分析可以知道， 对于物理层结果的上报， 无论是服务小 区还是各种邻区均需要进行小区 S值、 R值和 H值的计算以及其他比较评 估。 由于这些值的计算均含有符号值计算， 并且邻区结果处理实现中可能 存在多次的循环遍历操作。 加上协议要求空闲态下服务小区的上报周期为 200ms, 各种邻区结果上报的时间也在几百毫秒。 因此空闲态下的系统大部 分时间都消耗在不停地处理物理层服务小区和各种邻区结果上报的处理 上， 造成 UE能耗的增加。 发明内容
本发明要解决的主要技术问题是提供一种能节省系统资源和能耗的 'J、 区测量结果处理方法及其系统。
为解决上述技术问题，本发明提供一种小区测量结果处理方法， 包括服 务小区测量结果处理过程， 所述小区测量结果处理过程包括： 当服务小区 的测量结果非首次收到时， 比较服务小区的测量结果和上次收到的服务小 区的测量结果， 根据比较结果决定是否进行服务小区的测量结果评估。
当服务小区的测量结果非首次收到时， 比较服务小区的测量结果和上 次收到的服务小区的测量结果， 根据比较结果决定是否进行服务小区的测 量结果评估具体包括： 计算服务小区的测量结果的接收信号码功率与上次 收到的服务小区的测量结果的接收信号码功率的第一差值； 将所述第一差 值与预设的第一阔值比较； 当所述第一差值大于等于所述第一阔值时， 进 行月良务小区的测量结果评估。
所述进行服务小区的测量结果评估包括： 更新服务小区的测量结果， 重新计算服务小区的评估参数；所述服务小区的评估参数包括 S值和 R值； 所述方法还包括根据服务小区的评估参数决定是否启动邻区的测量结果处 理流程； 所述根据服务小区的评估参数决定是否启动邻区的测量结果处理 流程包括， 当所述 S值小于第三阔值且大于 0时， 启动邻区的测量结果处 理流程。
所述启动邻区的测量结果处理流程包括： 当邻区的测量结果非首次收 到时， 比较邻区的测量结果和上次收到的邻区的测量结果， 根据比较结果 决定是否进行邻区的测量结果评估。
当邻区的测量结果非首次收到时， 比较邻区的测量结果和上次收到的 邻区的测量结果， 根据比较结果决定是否进行邻区的测量结果评估包括： 计算邻区的测量结果的接收信号码功率与上次收到的邻区的测量结果的接 收信号码功率的第二差值； 将所述第二差值与预设的第二阔值比较； 当所 述第二差值大于等于所述第二阔值时， 进行邻区的测量结果评估。
其中所述进行邻区的测量结果评估包括： 更新邻区的测量结果， 重新 计算邻区的评估参数。
一种小区测量结果处理系统， 包括服务小区处理模块和邻区处理模块， 所述服务小区处理模块用于处理服务小区的测量结果， 所述邻区处理模块 用于处理邻区测量结果， 所述服务小区处理模块还用于在非首次收到服务 小区的测量结果时， 比较服务小区的测量结果和上次收到的服务小区的测 量结果， 根据比较结果决定是否进行服务小区的测量结果评估。
所述服务小区处理模块包括： 计算单元， 用于计算服务小区的测量结 果的接收信号码功率与上次收到的服务小区的测量结果的接收信号码功率 的第一差值； 比较单元， 用于将所述第一差值与预设的第一阔值比较； 处 理单元， 用于在所述第一差值大于等于所述第一阔值时， 进行服务小区的 测量结果评估。
所述进行服务小区的测量结果评估包括： 更新服务小区的测量结果， 重新计算服务小区的评估参数；所述服务小区的评估参数包括 S值和 R值； 所述处理模块还用于当所述 S值小于第三阔值且大于 0时， 通知邻区处理 模块启动邻区的测量结果处理流程。
所述邻区处理模块还用于根据服务小区处理单元的通知， 启动邻区测 量结果处理流程； 并在非首次收到邻区的测量结果时， 比较邻区的测量结 果和上次收到的邻区的测量结果， 根据比较结果决定是否进行邻区的测量 结果评估。
其中所述邻区处理模块包括： 计算单元， 用于计算邻区的测量结果的 接收信号码功率与上次收到的邻区的测量结果的接收信号码功率的第二差 值； 比较单元， 用于将所述第二差值与预设的第二阔值比较； 处理单元， 用于在在所述第二差值大于等于所述第二阔值时， 进行邻区的测量结果评 估。
本发明的有益效果是：
(1) 本发明釆用将服务小区测量结果与上次的测量结果进行比较， 根据 比较结果确定是否进行服务小区的评估， 在用户设备静止或位置无大改变 时， 其服务小区的测量结果变化不大， 因而减少了不必要的评估计算， 降 低了能耗。
(2) 本发明釆用第一阔值， 对于变化值小于该阔值的服务小区的测量结 果不进行评估计算， 减少了由于服务小区测量结果频繁上报而带来的频繁 的评估与计算， 而该阔值可以依据经验设定， 在实际网络中可以根据信号 波动大小动态调整， 增加了灵活性。
(3) 本发明釆用将邻区测量结果与上次的测量结果进行比较， 根据比较 结果确定是否进行邻区的评估， 在用户设备静止或位置无大改变时， 其邻 区的测量结果变化不大， 进一步减少了不必要的评估计算， 降低了能耗。
(4) 本发明釆用第二阔值， 对于变化值小于该阔值的邻区的测量结果不 进行计算评估， 减少了重选过程中由于邻区物理层结果频繁上报而带来的 频繁的评估与计算，特别是当 UE测量值变化长期处于变化程度不大的情况 下， 减少了大量的不必要的计算与评估， 不仅节约了系统资源， 也提升了 系统的省电性能。 附图说明
图 1为本发明系统一种实施方式的结构示意图；
图 2为本发明系统另一种实施方式的结构示意图；
图 3为本发明方法一种实施方式的服务小区测量结果处理流程图； 图 4为本发明方法另一种实施方式的服务小区测量结果处理流程图； 图 5为本发明方法一种实施方式的邻区测量结果的处理流程图； 图 6为本发明方法另一种实施方式的邻区测量结果的处理流程图。 具体实施方式
下面通过具体实施方式结合附图对本发明作进一步详细说明。
本发明小区测量结果处理系统的一种具体实施方式， 如图 1 所示， 包 括服务小区处理模块和邻区处理模块， 服务小区处理模块用于处理服务小 区的测量结果， 邻区处理模块用于处理邻区测量结果； 服务小区处理模块 还用于在非首次收到服务小区的测量结果时， 比较服务小区的测量结果和 上次收到的服务小区的测量结果， 根据比较结果决定是否进行服务小区的 测量结果评估。 本发明中， 首次收到服务小区的测量结果是指系统启动后 第一次收到服务小区的测量结果， 非首次收到服务小区的测量结果是指系 统启动后除第一次收到服务小区的测量结果外， 其余收到服务小区的测量 结果的任意时候， 可能是第二次， 可能是第三次， 也可能是第 1000次或第 10000次收到服务小区的测量结果。
如图 2所示， 服务小区处理模块还可以包括计算单元、 比较单元和处 理单元， 计算单元用于计算服务小区的测量结果的 RSCP 与上次收到的服 务小区的测量结果的 RSCP 的第一差值； 比较单元用于将第一差值与预设 的第一阔值比较； 处理单元用于在第一差值小于该第一阔值时， 不进行本 次服务小区的测量结果评估； 在第一差值大于等于第一阔值时， 进行服务 小区的测量结果评估。
在一种实施方式中， 进行服务小区的测量结果评估包括： 更新服务小 区的测量结果， 重新计算服务小区的评估参数； 服务小区的评估参数包括 S 值 R值， 当网络侧需配置使用 HCS时， 评估参数还包括 H值。服务小区处 理模块还用于当所述 S值小于第三阔值且大于 0时， 通知邻区处理模块启 动邻区的测量结果处理流程； 当 S值大于等于第三阔值或 S值小于等于 0 时， 不启动邻区的测量结果处理流程。
邻区处理模块还用于根据服务小区处理单元的通知， 启动邻区测量结 果处理过程； 并在非首次收到邻区的测量结果时， 比较邻区的测量结果和 上次收到的邻区的测量结果， 根据比较结果决定是否进行邻区的测量结果 评估。 本发明中， 首次收到邻区的测量结果是指系统启动后第一次收到邻 区的测量结果， 非首次收到邻区的测量结果是指系统启动后除第一次收到 邻区的测量结果外， 其余收到邻区的测量结果的任意时候， 可能是第二次， 可能是第三次， 也可能是第 1000次或第 10000次收到邻区的测量结果。
启动邻区测量后， 根据物理层邻区测量的上报， 需要根据各个小区的 RSCP值计算出小区的 S值和 R值， 当网络侧需配置使用 HCS时， 评估参 数还包括 H值。其中 H值作为配置 HCS情况下的评估过滤条件。 R值是重 选更好小区的判断依据， 小区 S值大于 0且小于第三阔值的情况下， 就可 以对 R值比服务小区 R值好的小区进行重选评估。 在本具体实施方式中， 第三阔值为 Sintra。 用户可以根据需要对第三阔值进行设置。 处于空闲状态 下的小区， 必须时刻地计算上述的 S值、 R值， 当网络侧需配置使用 HCS 时， 还需计算 H值， 这样才能实时地评估服务小区和邻区的信号强度变化 关系， 实时地重选到更适合驻留的小区。
邻区处理模块还可以包括计算单元、 比较单元和处理单元， 计算单元 用于计算邻区的测量结果的 RSCP 与上次收到的邻区的测量结果的 RSCP 的第二差值； 比较单元用于将第二差值与预设的第二阔值比较； 处理单元 用于在第二差值小于该第二阔值时， 不进行邻区的评估； 在第二差值大于 等于该第二阔值， 进行邻区的评估。
在一种实施方式中， 进行邻区的测量结果评估包括： 更新邻区的测量 结果， 重新计算邻区的评估参数。 更新邻区的测量结果， 包括更新邻区的 RSCP, 邻区的评估参数包括 S值和 R值， 当网络侧需配置使用 HCS时， 邻区的评估参数还包括 H值。
终端在一个小区驻留后，会不断地测量该小区的 RSCP值，并根据 RSCP 值结合系统信息中的参数计算出 S值， 只有 S值大于 0且小于第三阔值的 小区才能满足驻留条件， 也就是说当计算的小区 S≤0或 S≥Sintra时， 该小 区将不能驻留。
S值计算公式为：
Srxlev = Qndevmeas - Qrxlevmin - Pcompensation
其中 Srxlev为邻区 S 值， （¾^„^为邻区的 RSCP测量值， Qrxlevmin 和 Pcompensation为来自于系统信息 SIB中的小区参数。
R值计算公式为： Rs = Qmeas,s + QhySts
Rn = Qmeas,n - Qoffsets,n - TOn * ( 1 - Ln)
上述两个公式分别为服务小区和邻区 R值计算公式。 其中第一个公式 中 Qmeas,s 为服务小区的 RSCP, Qmeas,n为邻区的 RSCP, 后面参数均来 源于 SIB信息。 R值评估信号强度的相对好坏， 当邻区的 R值大于服务小 区的 R值， 认为邻区信号比服务小区好， 持续一段时间后， 即可认为邻区 比当前的服务小区更适合终端驻留， 因此需要发生小区重选以驻留到新的 小区。
H值公式为：
Hs― Qmeas?S - QhCSs
Hn Qmeas?n Qhcsn TOn * Ln
上述两个公式分别是服务小区和邻区的 H值计算公式。 其中第一个公 式中 Qmeas,s 为服务小区的 RSCP, Qmeas,n为邻区的 RSCP, 后面参数均 来源于 SIB信息。 H值是在使用分层小区等级结构时， 增加的一个判断参 数， 如某些场景下， 在满足 R值比服务小区 R值好， 并且 H值满足一定的 条件的情况下， 才能发生重选。
本发明小区测量结果处理方法的一种具体实施方式， 包括服务小区测 量结果处理过程， 该服务小区测量结果处理过程包括： 当服务小区的测量 结果非首次收到时， 比较服务小区的测量结果和上次收到的服务小区的测 量结果， 根据比较结果决定是否进行服务小区的测量结果评估和是否启动 邻区的测量结果处理流程。
在一种实施方式中， 服务小区测量结果处理过程包括当首次收到服务 小区测量结果时， 则更新服务小区测量结果， 并计算服务小区的评估参数。 更新服务小区的测量结果包括保存服务小区的 RSCP,服务小区的评估参数 包括 S值和 R值， 当网络侧需配置使用 HCS时， 评估参数还包括 H值。 在一种实施方式中， 邻区测量结果处理过程包括： 当邻区的测量结果 非首次收到时， 比较邻区的测量结果和上次收到的邻区的测量结果， 根据 比较结果决定是否进行邻区的测量结果评估。
在一种实施方式中， 邻区测量结果置位初始值 N1 , 初始值 N1为无效 值， 邻区测量失败后或删除邻区测量结果时同样恢复初始值 Nl。 当邻区测 量结果记录值为 N1时， 记录邻区新的 RSCP值， 计算邻区评估参数， 包括 计算 S值和 R值， 当需配置使用 HCS时，还需计算 H值， 并评估该邻区是 否满足重选评估的条件。
图 3 示出根据本发明一种实施方式的物理层服务小区测量结果处理流 程， 包括以下步骤：
步骤 302: 计算第一差值 D1 ; 计算单元得到服务小区的测量结果的 RSCP与上次收到的服务小区的测量结果的 RSCP的第一差值 Dl。
步骤 304: 判断 D1是否大于等于第一阔值 Ml ; 判断单元将该第一差 值 D1与预设的第一阔值 Ml比较， Ml是一个经验值， 在实际网络中可以 才艮据信号波动大小动态调整， 若 D1大于等于 Ml转步骤 306; 否则转步骤 308。
步骤 306: 进行 Λ良务小区的测量结果评估。
步骤 308: 结束； 不进行本次服务小区测量结果处理流程。
图 4为本发明另一种实施方式的物理层服务小区测量结果的处理流程， 包括以下步骤：
步骤 402: 开始服务小区测量结果处理流程。
步骤 404: 判断是否是初次上报服务小区测量结果； 若是初次上报， 转 到步骤 410; 如果不是初次上 转到步骤 406。
步骤 406: 计算第一差值 D1 ; 计算单元得到服务小区的测量结果的 RSCP与上次收到的服务小区的测量结果的 RSCP的第一差值 Dl。 步骤 408: 判断第一差值 Dl是否大于等于第一阔值 Ml ; 判断当前上 报的服务小区 RSCP值与存储的之前用于评估的 RSCP值的差值是否大于等 于预设的第一阔值 Ml , 若大于等于第一阔值 Ml , 转步骤 410; 若小于第 一阔值 Ml , 不进行 Λ良务小区的测量结果评估。
步骤 410: 保存服务小区 RSCP值， 根据该值和来自于系统信息中的参 数计算出服务小区的 S值和 R值， 当网络侧需配置使用 HCS时， 还需计算 H值， 对服务小区的测量结果进行评估。 对进行服务小区的测量结果评估 包括： 更新服务小区的测量结果， 重新计算服务小区的评估参数； 所述服 务小区的评估参数包括 S值和 R值；当所述 S值小于第三阔值且大于 0时， 启动邻区的测量结果处理流程。
步骤 412: 结束； 不进行本次服务小区测量结果处理流程。
图 5 示出根据本发明一种实施方式的邻区测量结果处理流程， 包括以 下步骤：
步骤 502: 计算第二差值 D2; 计算单元得到邻区的测量结果的 RSCP 与上次收到的邻区的测量结果的 RSCP的第二差值 D2。
步骤 504: 判断 D2是否大于等于 M2; 比较单元将该第二差值 D2与预 设的第二阔值 M2比较， 若 D2大于等于 M2转步骤 506; 否则转步骤 508。
步骤 506: 进行邻区的测量结果评估。 进行邻区的测量结果评估包括： 更新邻区的测量结果， 重新计算邻区的评估参数。 更新邻区的测量结果， 包括更新邻区的 RSCP , 邻区的评估参数包括 S值和 R值， 当网络侧需配 置使用 HCS时， 邻区的评估参数还包括 H值。
步骤 508: 不进行本次邻区测量结果评估。
这样运用服务小区第一阔值 Ml和邻区第二阔值 M2 , 在很大程度上减 少了重选过程中由于服务小区和邻区物理层结果频繁上报而带来的频繁的 评估与计算。 特别是当 UE (即 User Equipment, 用户设备）测量值变化长 期处于变化程度不大的情况下， 减少了大量的不必要的计算与评估， 不仅 节约了系统资源， 也提升了系统的省电性能。
图 6示出根据本发明另一种实施方式的物理层邻区测量结果的处理流 程， 其包括以下步骤：
步骤 602: 开始邻区测量结果处理流程。
步骤 604: 遍历物理层结果消息中的小区结果， 遍历完毕结束。
步骤 606: 判断小区结果是否初次上报， 初次上报时邻区 RSCP存储值 为 N1 , 若初次上 跳转到步骤 610; 非初次上 跳转到步骤 608。
步骤 608: 计算第二差值 D2; 计算单元得到邻区的测量结果的 RSCP 与上次收到的邻区的测量结果的 RSCP的第二差值 D2。
步骤 610: 判断 D2是否大于等于第二阔值； 判断小区的 RSCP值与上 次评估记录的 RSCP值差值 D2是否大于等于 M2,若差值 D2大于等于 M2 则跳转到步骤 612; 差值小于 M2则结束该小区的评估， 转步骤 604, 遍历 下个小区。
步骤 612: 进行邻区的测量结果评估； 进行邻区的测量结果评估包括保 存本次测量的邻区 RSCP值， 才艮据该值和来自于系统信息中的参数计算出 邻区的 S值和 R值， 当网络侧需配置使用 HCS时， 还需计算 H值。
步骤 614: 结束； 不进行本次邻区的测量结果评估。
以上内容是结合具体的实施方式对本发明所作的进一步详细说明， 不 能认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的 普通技术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干简单 推演或替换， 都应当视为属于本发明的保护范围。

Claims

权利要求书
1、 一种小区测量结果处理方法， 包括月良务小区测量结果处理过程， 其 特征在于， 所述小区测量结果处理过程包括： 当服务小区的测量结果非首 次收到时， 比较服务小区的测量结果和上次收到的服务小区的测量结果， 根据比较结果决定是否进行服务小区的测量结果评估。
2、 如权利要求 1所述的小区测量结果处理方法， 其特征在于， 当服务 小区的测量结果非首次收到时， 比较服务小区的测量结果和上次收到的服 务小区的测量结果， 根据比较结果决定是否进行服务小区的测量结果评估 具体包括：
计算服务小区的测量结果的接收信号码功率与上次收到的服务小区的 测量结果的接收信号码功率的第一差值；
将所述第一差值与预设的第一阔值比较；
当所述第一差值大于等于所述第一阔值时， 进行服务小区的测量结果 评估。
3、 如权利要求 2所述的小区测量结果处理方法， 其特征在于， 所述进 行服务小区的测量结果评估包括： 更新服务小区的测量结果， 重新计算服 务小区的评估参数； 所述服务小区的评估参数包括 S值和 R值；
所述方法还包括根据服务小区的评估参数决定是否启动邻区的测量结 果处理流程； 所述根据服务小区的评估参数决定是否启动邻区的测量结果 处理流程包括:当所述 S值小于第三阔值且大于零时， 启动邻区的测量结果 处理流程。
4、 如权利要求 3所述的小区测量结果处理方法， 其特征在于， 所述启 动邻区的测量结果处理流程包括： 当邻区的测量结果非首次收到时， 比较 邻区的测量结果和上次收到的邻区的测量结果， 根据比较结果决定是否进 行邻区的测量结果评估。
5、 如权利要求 4所述的小区测量结果处理方法， 其特征在于， 当邻区 的测量结果非首次收到时， 比较邻区的测量结果和上次收到的邻区的测量 结果， 根据比较结果决定是否进行邻区的测量结果评估包括：
计算邻区的测量结果的接收信号码功率与上次收到的邻区的测量结果 的接收信号码功率的第二差值；
将所述第二差值与预设的第二阈值比较；
当所述第二差值大于等于所述第二阔值时， 进行邻区的测量结果评估。
6、 如权利要求 4所述的小区测量结果处理方法， 其特征在于， 其中所 述进行邻区的测量结果评估包括： 更新邻区的测量结果， 重新计算邻区的 评估参数。
7、 一种小区测量结果处理系统， 包括服务小区处理模块和邻区处理模 块， 所述服务小区处理模块用于处理服务小区的测量结果， 所述邻区处理 模块用于处理邻区测量结果， 其特征在于，
所述服务小区处理模块还用于在非首次收到服务小区的测量结果时， 比较服务小区的测量结果和上次收到的服务小区的测量结果， 根据比较结 果决定是否进行服务小区的测量结果评估。
8、 如权利要求 7所述的小区测量结果处理系统， 其特征在于， 所述服 务小区处理模块包括：
计算单元， 用于计算服务小区的测量结果的接收信号码功率与上次收 到的服务小区的测量结果的接收信号码功率的第一差值；
比较单元， 用于将所述第一差值与预设的第一阔值比较；
处理单元， 用于在所述第一差值大于等于所述第一阔值时， 进行服务 小区的测量结果评估。
9、 如权利要求 8所述的小区测量结果处理系统， 其特征在于， 所述进 行服务小区的测量结果评估包括： 更新服务小区的测量结果， 重新计算服 务小区的评估参数； 所述服务小区的评估参数包括 S值和 R值； 所述处理模块还用于当所述 S值小于第三阔值且大于 0时， 通知邻区 处理模块启动邻区的测量结果处理流程。
10、 如权利要求 9所述的小区测量结果处理系统， 其特征在于， 所述 邻区处理模块还用于根据服务小区处理单元的通知， 启动邻区测量结果处 理流程； 并在非首次收到邻区的测量结果时， 比较邻区的测量结果和上次 收到的邻区的测量结果， 根据比较结果决定是否进行邻区的测量结果评估。
11、 如权利要求 10所述的小区测量结果处理系统， 其特征在于， 其中 所述邻区处理模块包括：
计算单元， 用于计算邻区的测量结果的接收信号码功率与上次收到的 邻区的测量结果的接收信号码功率的第二差值；
比较单元， 用于将所述第二差值与预设的第二阔值比较；
处理单元， 用于在所述第二差值大于等于所述第二阔值时， 进行邻区 的测量结果评估。
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