WO2012000387A1 - 一种优化网络接入性能的方法、装置及系统 - Google Patents
一种优化网络接入性能的方法、装置及系统 Download PDFInfo
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- WO2012000387A1 WO2012000387A1 PCT/CN2011/075822 CN2011075822W WO2012000387A1 WO 2012000387 A1 WO2012000387 A1 WO 2012000387A1 CN 2011075822 W CN2011075822 W CN 2011075822W WO 2012000387 A1 WO2012000387 A1 WO 2012000387A1
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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
Definitions
- the present invention relates to the field of communications, and in particular, to a method, apparatus, and system for optimizing network access performance. Background technique
- FIG. 1 shows the call setup process between the base station and the mobile station (in the case of the caller, the called is similar). After the user terminal enters the phone number and presses the call button, the mobile station sends a call message and then waits for the base station.
- the response message, and after receiving the extended channel assignment message sent by the base station, is transferred to the corresponding traffic channel according to the indication of the extended channel assignment message, and after identifying the forward traffic channel Sending a reverse traffic channel prefix to the base station; after receiving the reverse traffic channel prefix, that is, after capturing the mobile station, the base station sends a handshake confirmation message to the mobile station, and after the handshake is successful, sends a service negotiation message to the mobile station, and the service negotiation succeeds. After that, the call is successfully established.
- the key points for completing the call service connection include:
- the base station After receiving the origination message sent by the mobile station, the base station sends a confirmation message of the call confirmation to the mobile station through the paging channel;
- the base station allocates a traffic channel to the mobile station, and after the service channel is allocated, sends a traffic channel assignment message to the mobile station on the paging channel;
- the base station receives the reverse traffic channel prefix sent by the mobile station, and the reverse traffic channel prefix is that after the mobile station accepts the traffic channel assignment message of the base station, the mobile station identifies the forward direction according to the indication of the channel assignment message. a traffic channel, and after identifying the forward traffic channel, transmitting a reverse traffic channel prefix to the base station; Handshake, the base station receives the reverse traffic channel prefix sent by the mobile station, and after the capture succeeds, sends a handshake confirmation message to the mobile station, and instructs the mobile station to respond to the handshake confirmation message after receiving, the handshake is successful;
- the base station After the service negotiation, the base station receives the handshake confirmation message that the mobile station responds, and sends a service negotiation message to the mobile station. After the service negotiation succeeds, the call is successfully established.
- a connection cannot be established between the calling party and the called party within the specified time, it is called a call access failure.
- the basic method of network optimization is to analyze the data according to the test, and then adjust the network parameters according to the analysis result.
- the time and place of call access failure is random, which makes it difficult to optimize the test data for the network.
- traditional road test can measure and collect parameters such as access success rate, air interface signaling, etc. along specific lines by means of instruments such as meters, test mobile stations, and test vehicles, and according to the collected signaling pairs. Manual analysis and diagnosis of failed access cases.
- the traditional dial test uses two test mobile stations to slowly move or fix the point, and the caller and the called party respectively test the access success rate.
- the present invention provides a method, apparatus and system for optimizing network access performance, which is used to automate network evaluation, improve network optimization efficiency, and optimize network more accurately and efficiently.
- a method for optimizing network access performance including: Receiving a call trigger message sent by the mobile station, and generating a call detailed tracking record for the call trigger message, where the call detailed trace record is used to record detailed information of the entire call flow, where the call detailed trace record includes at least a call reason code;
- the network access performance is evaluated according to the access failure rate of the network, and the network optimization scheme is selected according to the evaluation result to optimize the network.
- a device for optimizing network access performance comprising:
- a first processing unit configured to receive a call trigger message sent by the mobile station, and generate a call detailed tracking record for the call trigger message, where the call detailed tracking record is used to record detailed information of the entire call flow, and the call detailed tracking record At least include the call reason code;
- a second processing unit configured to acquire the detailed call record of the call when the call is released
- a third processing unit configured to determine, according to the call reason code in the detailed record of the call, whether the call is successfully accessed, And calculating the access failure rate of the network based on the judgment result
- the fourth processing unit is configured to evaluate the access performance of the network according to the access failure rate of the network, and select a corresponding network optimization reference solution to optimize the network according to the evaluation result.
- a system for optimizing network access performance including:
- a mobile station configured to send a call trigger message to the base station
- a device for optimizing network access performance configured to receive a call trigger message sent by the mobile station, and generate a call detailed tracking record for the call trigger message, where the call detailed tracking record is used to record detailed information of the entire call flow, the call
- the detailed tracking record includes at least a call reason code. After the call is released, the call detailed tracking record is obtained, and the call reason code in the detailed tracking record of the call is used to determine whether the call is successfully accessed, and based on the judgment result.
- the access failure rate of the network is evaluated, and the access performance of the network is evaluated according to the access failure rate of the network, and the network optimization reference scheme is selected according to the evaluation result to optimize the network.
- a detailed call tracking record is generated by using the received call trigger message, and detailed information of the entire call flow is recorded, and the call reason code in the detailed tracking record of the call is used as Instructing the result of the call access and the indication of the cause of the call access, after the call is released, obtaining the detailed tracking record of the call, and obtaining the result information of the call access according to the call reason code therein, and counting the network according to the result information
- the access failure rate is used as an indicator for evaluating network access performance, and the access performance of the network is evaluated, and then the network optimization reference scheme is selected according to the evaluation result to optimize the network.
- the network evaluation is automated, and the network can automatically perform accurate and effective performance optimization based on historical operation information, which reduces system maintenance costs and improves network optimization efficiency.
- FIG. 1 is a schematic diagram of a call setup process between a base station and a mobile station
- FIG. 2 is a system architecture diagram of optimizing network access performance according to an embodiment of the present invention.
- FIG. 3 is a structural diagram of an apparatus for optimizing network access performance according to an embodiment of the present invention.
- FIG. 4 is a flowchart of optimizing network access performance according to an embodiment of the present invention. detailed description
- the network optimization performance is improved, and the network access performance is optimized more accurately and efficiently.
- a method for optimizing network access performance is provided, and the network can be implemented. Automize the evaluation, improve the efficiency of network optimization, and optimize the network more accurately and efficiently. The method is as follows: Pre-establish the correspondence between the call reason code and the access fault cause, and trigger the message generation for each received call.
- Corresponding call detailed tracking record obtain the detailed tracking record of the call after the call is released, determine whether the call access is successful according to the call reason code in the detailed tracking record of the call, and determine that the call access fails, according to Call the call reason code in the detailed trace record to determine the corresponding call The cause of the access failure of the reason code and the provided network optimization reference scheme. Finally, the number of access times, the number of access failures, the number of access failures corresponding to various access faults, and the access failures of the target cell accessed by the call are counted. Information such as rate, used to assess the access performance of the network, and optimize the access performance of the network.
- the call trigger message is a start message or a page response message.
- the access failure reason it is first necessary to classify the access failure reason according to the result of statistically reporting the frequently occurring call access failure or according to the possibility of occurrence of the failure in the call access process, and classify the call reason code.
- the call cause code and the access fault cause are formed, and the call reason code is used to indicate whether the call access is successful, and is used to indicate that the call access fault occurs when the call access fails.
- the reason at the same time, can also provide a network-optimized reference scheme for each type of access failure cause.
- the cause of the access failure is classified according to the statistical result of the call access failure in the mobile communication network, and the categories are: poor wireless environment, insufficient resources, base station failure, and The terminal service option is incorrect.
- the difference in the wireless environment means that after the base station receives the call trigger message sent by the mobile station, in the process of establishing a call connection between the base station and the mobile station, the signal of the other party cannot be correctly received due to signal fading and noise interference, thereby causing the mobile station to Call access failure; insufficient resources means that after receiving the access request from the mobile station, the base station or the cell cannot allocate corresponding resources for the access request, thereby causing the call access of the mobile station to fail;
- the base station fails to work normally due to incorrect parameter setting of the base station or the transmission between the devices, which further causes the call access of the mobile station to fail.
- the terminal service option is incorrect, because the service item of the user terminal does not match the base station. Call access failed due to other reasons.
- the call reason code corresponding to the wireless environment difference is 11 or 12.
- the reference scheme that can be provided for network optimization for this fault is to add stations or adjust the antenna azimuth, tilt angle and other radio frequency optimization;
- the call reason code is 22, and the network optimization reference scheme provided for the cause of the fault is to optimize the resource configuration of the relevant cell and the base station;
- the call reason code corresponding to the base station fault is 33, and the network optimization reference scheme provided for the cause of the fault is to view the relevant base station.
- the call reason code corresponding to the item error is 44.
- the reason for the access failure is independent of the network system.
- the reference scheme provided for this access fault is the unique identification information based on the user terminal (IMSI, International Mobile Station Identity). Target the user terminal.
- a system for optimizing network access performance mainly includes a mobile station 20 and a device 21 for optimizing network access performance, where
- a mobile station configured to send a call trigger message to the base station
- the call trigger message is a start message or a page response message
- the mobile station acts as a caller to send a start message to the base station according to the operation instruction of the user, or sends a page response message to the base station as the called party.
- the device 21 for optimizing network access performance is configured to receive a call trigger message sent by the mobile station 20, and generate a call detailed tracking record for the call trigger message.
- the detailed call record of the call is used to record detailed information of the entire call flow, and the detailed call record of the call includes at least a call reason code, and after the call is released, the detailed record of the call is obtained, and the detailed record is recorded according to the call.
- Call reason code determine whether the call is successfully accessed, and count the access failure rate of the network based on the judgment result, evaluate the access performance of the network according to the access failure rate of the network, and select corresponding according to the evaluation result.
- the network optimization reference scheme optimizes the network.
- the device 21 for optimizing network access performance mainly includes the following processing units:
- the first processing unit 211 is configured to receive a call trigger message sent by the mobile station, and for the call Calling a trigger message to generate a call detailed tracking record, the call detailed tracking record is used to record detailed information of the entire call flow, and the call detailed tracking record includes at least a call reason code;
- the second processing unit 212 is configured to acquire the detailed call record of the call when the call is released, and the third processing unit 213 is configured to determine, according to the call reason code in the detailed record of the call, whether the call is successfully received. And determining, according to the judgment result, the access failure rate of the network; the fourth processing unit 214 is configured to evaluate the access performance of the network according to the access failure rate of the network, and select a corresponding network optimization reference according to the evaluation result. The solution optimizes the network.
- the base station optimizes the network environment of a cell as an example, and the main steps for optimizing network access performance include: Step 401: The base station receives the call sent by the mobile station. Triggering a message, and generating a call detailed tracking record for the call triggering message, and recording the detailed information of the entire call flow in the call detailed tracking record during the entire call access process, where the information recorded in the detailed tracking record mainly includes the target Cell identification information, unique identification information (IMSI) of the user terminal, pilot signal strength information (Ec/Io) received by the mobile station, call reason code, and the like.
- IMSI unique identification information
- Ec/Io pilot signal strength information
- a detailed call record of the call is generated, and the target cell identification number, the unique identifier information (IMSI) of the user terminal, and the mobile station are recorded in the detailed call record of the call according to the call trigger message.
- IMSI unique identifier information
- a zero value is recorded in the call reason code, indicating that the call access is successful; when the call access fails, a non-zero value is recorded in the call reason code, and the non-zero value is used to indicate the call access.
- the cause of the failure and the network optimization reference scheme for the cause of the failure are used to indicate the call access.
- Step 402 After the current call is released, the base station acquires the detailed call record of the call.
- the call release includes normal release and abnormal release.
- the normal release means that the call connection is successfully established, and the call is released after the related service is completed.
- the abnormal release is After the call connection establishment fails or the call is dropped, the call is released.
- Step 403 The base station determines, according to the call reason code in the detailed tracking record of the call, whether the current call is successfully accessed, and calculates the access failure rate of the network based on the judgment result.
- the reason for the current call access failure is obtained according to the foregoing call reason code, and the number of access failures corresponding to the cause of the access failure is counted based on the access failure cause.
- the foregoing call reason code includes the indication information of the corresponding access failure reason, and the access failure reason for the current access failure may be obtained according to the indication information.
- the call reason code in the detailed call record of the call generated for this call is 11, it is a non-zero value, indicating that the call access failed. According to Table 1, the corresponding reason code is called.
- the reason for the access failure is that the wireless environment is poor; if the call reason code in the detailed call record of the call generated for this call is 22, the access failure reason corresponding to the call reason code is insufficient resources; if the call is generated for this call.
- the call reason code in the detailed call record of the call is 44, and the access failure reason corresponding to the call reason code is that the terminal service option is incorrect.
- the cell to which the call is accessed is determined, and the access times of the cell are accumulated by one, and the call reason code in the detailed tracking record of the call is determined.
- the call access fails, the number of access failures of the foregoing cell is increased by one, and the access failure cause corresponding to the call reason code is obtained, and the number of access failures of the access failure cause of the cell is accumulated by one, according to The access failure rate of the cell and the access failure rate of the cell are calculated, and the access failure rate of the cell is calculated, and the access failure rate is used as an overall indicator for evaluating the network access performance of the cell.
- the target cell identifier in the detailed call record is 4381, and the number of accesses to the cell 4381 is incremented by 1.
- the call access failure is determined, and the number of access failures to the cell 4381 is determined. Accumulate 1 and know this according to call reason code 22
- the reason for the call access failure is that the resource is insufficient, and the number of access failures corresponding to the insufficient resources of the cell 4381 is accumulated by one, and the access failure rate is calculated according to the access times of the cell 4381 and the number of access failures, as the network for evaluating the cell.
- the main factors affecting the network access performance can be determined.
- the number of access failures of the access fault can be used as a reference indicator for evaluating network access performance.
- Step 404 The network access performance is evaluated based on the network access failure rate, and the network optimization reference scheme is selected according to the evaluation result to optimize the network.
- the network access performance is evaluated as follows: The access performance of the network is divided into several levels, and the corresponding access failure rate range is set for each level, so that the access failure rate can directly access the network. The performance is evaluated, and the corresponding cell is optimized according to the evaluation result, or several cells with high access failure rate are directly determined as objects that need to be optimized for the network.
- the access performance of the network can be divided into three levels, which are excellent, good, and poor.
- the access failure rate corresponding to the level “excellent” is less than 2%
- the access failure rate corresponding to the level "good” is 2 %-4%
- the access failure rate corresponding to the level “poor” is greater than 4%. If the access failure rate of a cell is estimated to be 6%, the network access performance of the cell is poor, and the cell needs to be Perform network optimization.
- the network optimization is performed according to the evaluation result, which is: obtaining an access failure reason corresponding to the call reason code obtained in the current process, and counting the number of access failures for the access failure cause, The number of access failures of all the access faults that have been counted is compared with the set threshold, and one or more access faults whose access failure times are greater than the set threshold are determined as affecting network access.
- the main factor of performance is to obtain a network optimization reference scheme for the cause of the access failure that belongs to the main influencing factors, and optimize the network.
- the access performance of the network of the cell may be performed according to the statistics of the number of access times, the number of access failures, and the access failure rate of the cell in the specified time range (for example, one day or one week). Evaluating, if the evaluation result of the cell is poor, obtaining the access failure cause that causes the current access failure of the cell, and counting the number of access failures of the access failure cause, and obtaining the statistics that have been counted in the time range
- the number of access failures caused by various access failures of the cell, and the cause of the access failure exceeding the set threshold (for example, 10 times) is determined as the main factor affecting the access performance of the cell, or directly connected
- the number of access failures (for example, 2) is determined to be the main factor affecting the network access performance. Then, according to the access failure factors that are the main factors, the corresponding network optimization reference scheme is obtained. optimize.
- the above method is also applicable to network optimization for all d and areas in the network.
- the correspondence between the call reason code and the access fault cause is established in advance, and then the corresponding call detailed tracking record is generated for each call trigger message of the mobile station, and the detailed information of the entire call flow is recorded until after the call is released.
- the overall access performance of the network can be evaluated, and the number of access failures according to various access failure reasons of the cell can determine the main factors affecting the network access performance of the cell, thereby enabling more effective and accurate
- the network access performance is optimized, and the network optimization reference scheme is provided for the cause of the access failure, which can better support the network optimization.
- Rate and other information make the results of the network assessment more comprehensive and accurate. For example, if the access failure rate of the cell 4381 and the cell 1122 is high, then the two cells are worthy of attention by the network optimizer; when the cause of the access failure for the cell is optimized, the cell 4381 accesses the wireless environment in the cause of the failure. The difference in access failures is the highest, and network optimizers need to consider RF coverage optimization first.
- the automatic evaluation of the network access performance is achieved by counting the access failure rate and the number of access failures of each access failure cause, and the network can automatically and accurately perform the accurate and effective according to the historical operation information.
- the performance optimization improves the efficiency of network optimization and reduces the maintenance cost of the system.
- the results of the network assessment are more comprehensive and accurate, and the evaluation result can be more effective and accurate. Optimize the network and provide better network optimization by providing a network optimization reference solution for access failure reasons.
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Description
一种优化网 ^^入性能的方法、 装置及系统 技术领域
本发明涉及通信领域， 尤其涉及一种优化网络接入性能的方法、 装置 及系统。 背景技术
当用户终端按下呼叫键呼叫一个电话号码时， 即为发起一次呼叫， 移 动台就会向基站发送起呼消息。 图 1 所示为基站和移动台之间的呼叫建立 流程（以主叫为例，被叫类似），在用户终端输入电话号码并按下呼叫键后， 移动台发送起呼消息， 然后等待基站的应答消息， 并在接收到基站发送的 扩展信道指配消息 （ Extended Channel Assignment Message )后， 才艮据扩展 信道指配消息的指示转移到对应的业务信道上， 并在识别前向业务信道后 , 向基站发送反向业务信道前缀； 基站在收到反向业务信道前缀， 即捕获移 动台后， 向移动台发送握手证实消息， 在握手成功后， 向移动台发送业务 协商消息， 业务协商成功后， 呼叫便成功建立。 其中， 在移动台发送起呼 消息后， 完成呼叫业务连接需要经过的关键包括：
基站证实接收到移动台发送的起呼消息后， 通过寻呼信道向移动台发 送起呼证实的确认信息；
基站为上述移动台分配业务信道， 并在分配业务信道后， 在上述寻呼 信道上为上述移动台发送业务信道指配消息；
捕获， 基站接收移动台发送的反向业务信道前缀， 进行捕获， 所述反 向业务信道前缀为移动台接受基站的业务信道指配消息后， 移动台根据信 道指配消息的指示， 识别前向业务信道， 并在识别前向业务信道后， 向基 站发送反向业务信道前缀；
握手， 基站接收移动台发送的反向业务信道前缀， 捕获成功后， 向移 动台发送握手证实消息， 并且指示移动台在接收后回应握手证实消息， 则 握手成功；
业务协商， 基站接收移动台回应的握手证实消息后， 向移动台发送业 务协商消息， 业务协商成功后， 呼叫成功建立。
如果在规定的时间内， 不能在主叫方和被叫方之间建立连接， 就称为 一次呼叫接入失败。 尽可能的降低呼叫接入失败率， 优化网络接入性能是 网络优化的一个重要目标。 目前网络优化的基本方法是根据测试到的数据 分析， 再根据分析结果调整网络参数。 在移动通信网络中， 呼叫接入失败 的时间和地点是随机的， 这样， 为网络优化釆集充分的测试数据就比较困 难。 例如传统的路测， 可通过借助仪表、 测试移动台以及测试车辆等工具， 沿特定线路进行接入成功率、 空中接口信令等参数的测量和釆集， 并根据 釆集到的信令对失败的接入案例进行人工分析和诊断。 但是， 路测的时间 和地点都有限， 不能对全网的接入性能进行全面准确的评估和诊断， 从而 很难为网络优化提供充分的数据支持， 影响网络优化效果。 传统的拨打测 试， 使用两部测试移动台慢速移动或定点， 分别做主叫和被叫， 测试接入 成功率， 也存在上述与路测类似的局限性。
综上所述， 需要寻求一种优化网络接入性能的方法， 能够提高网络优 化的效率， 准确、 有效地对网络进行优化。 发明内容
本发明提供一种优化网络接入性能的方法、 装置及系统， 用以实现网 络评估的自动化， 提高网络优化的效率， 并且能够更准确、 更有效地对网 络进行优化。
本发明实施例提供的具体技术方案如下：
一种优化网络接入性能的方法， 包括：
接收移动台发送的呼叫触发消息， 并针对所述呼叫触发消息生成呼叫 详细跟踪记录， 所述呼叫详细跟踪记录用于记录整个呼叫流程的详细信息， 该呼叫详细跟踪记录至少包括呼叫原因码；
在本次呼叫释放后， 获取所述呼叫详细跟踪记录；
根据所述呼叫详细跟踪记录中的呼叫原因码， 判断本次呼叫是否成功 接入， 并基于判断结果统计网络的接入失败率；
根据所述网络的接入失败率对网络接入性能进行评估， 并根据评估结 果选择相应的网络优化参考方案对网络进行优化。
一种优化网络接入性能的装置， 包括：
第一处理单元， 用于接收移动台发送的呼叫触发消息， 并针对所述呼 叫触发消息生成呼叫详细跟踪记录， 所述呼叫详细跟踪记录用于记录整个 呼叫流程的详细信息 , 该呼叫详细跟踪记录至少包括呼叫原因码；
第二处理单元， 用于本次呼叫释放时， 获取所述呼叫详细跟踪记录； 第三处理单元， 用于根据所述呼叫详细跟踪记录中的呼叫原因码， 判 断本次呼叫是否成功接入， 并基于判断结果统计网络的接入失败率；
第四处理单元， 用于根据所述网络的接入失败率对网络的接入性能进 行评估， 并根据评估结果选择相应的网络优化参考方案对网络进行优化。
一种优化网络接入性能的系统， 包括：
移动台， 用于向基站发送呼叫触发消息；
优化网络接入性能的装置， 用于接收移动台发送的呼叫触发消息， 并 针对所述呼叫触发消息生成呼叫详细跟踪记录， 所述呼叫详细跟踪记录用 于记录整个呼叫流程的详细信息 , 该呼叫详细跟踪记录至少包括呼叫原因 码， 在本次呼叫释放后， 获取所述呼叫详细跟踪记录， 根据所述呼叫详细 跟踪记录中的呼叫原因码， 判断本次呼叫是否成功接入， 并基于判断结果 统计网络的接入失败率， 根据所述网络的接入失败率对网络的接入性能进 行评估， 并根据评估结果选择相应的网络优化参考方案对网络进行优化。
基于上述技术方案， 本发明实施例中， 通过对接收到的呼叫触发消息， 生成对应的呼叫详细跟踪记录， 记录整个呼叫流程的详细信息， 并釆用该 呼叫详细跟踪记录中的呼叫原因码作为指示呼叫接入的结果以及呼叫接入 的故障原因的指示信息， 在呼叫释放后， 获取呼叫详细跟踪记录， 根据其 中的呼叫原因码获知本次呼叫接入的结果信息， 根据该结果信息统计网络 的接入失败率， 将上述接入失败率作为评估网络接入性能的指标， 对网络 的接入性能进行评估， 再根据评估结果选择网络优化参考方案对网络进行 优化。 总之， 通过上述技术方案， 实现了网络评估的自动化， 并且网络可 以根据历史运行信息自动进行准确、 有效的性能优化， 降低了系统维护成 本， 提高了网络优化的效率。 附图说明
图 1为基站和移动台之间的呼叫建立过程示意图；
图 2为本发明实施例优化网络接入性能的系统架构图；
图 3为本发明实施例优化网络接入性能的装置结构图；
图 4为本发明实施例优化网络接入性能的流程图。 具体实施方式
为了在移动通信网络中， 提高网络优化的效率， 并能够更准确、 更有 效地对网络接入性能进行优化， 本发明实施例中， 提供了一种优化网络接 入性能的方法， 能够实现网络评估的自动化， 提高网络优化的效率， 并且 能够更准确、 更有效地对网络进行优化， 该方法为： 预先建立呼叫原因码 和接入故障原因的对应关系， 针对每次接收的呼叫触发消息生成对应的呼 叫详细跟踪记录， 在本次呼叫释放后获取该呼叫详细跟踪记录， 根据该呼 叫详细跟踪记录中的呼叫原因码判断本次呼叫接入是否成功， 确定本次呼 叫接入失败时， 根据呼叫详细跟踪记录中的呼叫原因码， 确定对应该呼叫
原因码的接入故障原因以及提供的网络优化参考方案， 最后统计本次呼叫 接入的目标小区的接入次数、 接入失败次数、 各种接入故障对应的接入失 败次数以及接入失败率等信息， 用以评估网络的接入性能， 并对网络的接 入性能进行优化。 所述呼叫触发消息为起呼消息或寻呼响应消息。
为实现上述技术方案， 首先需要根据对经常出现的呼叫接入故障进行 统计的结果或者根据呼叫接入流程中故障出现的可能性对接入故障原因进 行分类， 并将呼叫原因码进行归类后与接入故障原因类别对应， 形成呼叫 原因码和接入故障原因的对应关系， 该呼叫原因码用于指示本次呼叫接入 是否成功， 并用于在呼叫接入失败时指示呼叫接入故障的原因， 同时， 还 可针对每类接入故障原因提供网络优化的参考方案。
例如， 参阅表 1所示， 在 CDMA2000移动通信网络中， 根据对移动通 信网络中呼叫接入故障的统计结果， 将接入故障原因进行分类， 类别为： 无线环境差、 资源不足、 基站故障和终端服务选项错误。 无线环境差是指 基站接收移动台发送的呼叫触发消息后， 在基站和移动台之间建立呼叫连 接的过程中， 由于信号衰落和噪声干扰， 不能正确的接收对方的信号， 从 而导致移动台的呼叫接入失败； 资源不足是指基站在接收到移动台的接入 请求后， 基站或小区不能为该接入请求分配相应的资源， 从而导致移动台 的呼叫接入失败； 基站故障， 是指由于基站的参数设置不正确或设备之间 的传输出现问题等原因导致基站不能正常工作， 进一步导致移动台的呼叫 接入失败； 终端服务选项错误， 是指由于用户终端的服务项目和基站不匹 配等原因所导致的呼叫接入失败。 其中， 参阅表 1 , 无线环境差所对应的呼 叫原因码为 11或 12,针对此故障可以为网络优化提供的参考方案为加站或 进行调整天线方位角、倾角等射频优化； 资源不足对应的呼叫原因码为 22, 针对此故障原因提供的网络优化参考方案为优化相关小区和基站的资源配 置； 基站故障对应的呼叫原因码为 33 , 针对此故障原因提供的网络优化参 考方案为查看相关基站和小区的异常告警或参数的配置情况； 终端服务选
项错误对应的呼叫原因码为 44, 此接入故障原因和网络系统无关， 针对此 接入故障提供的参考方案为根据用户终端的唯一标识信息 （ IMSI , International Mobile Station Identity国际移动用户识别号 )定位到用户终端。
表 1
下面结合附图对本发明优选的实施方式进行详细说明。
参阅图 2所示， 本发明实施例中， 优化网络接入性能的系统主要包括 移动台 20和优化网络接入性能的装置 21 , 其中，
移动台 20, 用于向基站发送呼叫触发消息；
其中， 呼叫触发消息为起呼消息或寻呼响应消息， 移动台作为主叫根 据用户的操作指示向基站发送起呼消息， 或者作为被叫向基站发送寻呼响 应消息。
优化网络接入性能的装置 21 ,用于接收移动台 20发送的呼叫触发消息， 并针对该呼叫触发消息生成呼叫详细跟踪记录。 其中， 呼叫详细跟踪记录 用于记录整个呼叫流程的详细信息 , 该呼叫详细跟踪记录至少包括呼叫原 因码， 在本次呼叫释放后， 获取所述呼叫详细跟踪记录， 根据所述呼叫详 细跟踪记录中的呼叫原因码， 判断本次呼叫是否成功接入， 并基于判断结 果统计网络的接入失败率， 根据所述网络的接入失败率对网络的接入性能 进行评估， 并根据评估结果选择相应的网络优化参考方案对网络进行优化。
参阅图 3所示， 本发明实施例中， 优化网络接入性能的装置 21主要包 括以下处理单元：
第一处理单元 211 , 用于接收移动台发送的呼叫触发消息， 并针对该呼
叫触发消息生成呼叫详细跟踪记录， 所述呼叫详细跟踪记录用于记录整个 呼叫流程的详细信息 , 该呼叫详细跟踪记录至少包括呼叫原因码；
第二处理单元 212,用于本次呼叫释放时，获取所述呼叫详细跟踪记录； 第三处理单元 213 , 用于根据所述呼叫详细跟踪记录中的呼叫原因码， 判断本次呼叫是否成功接入， 并基于判断结果统计网络的接入失败率； 第四处理单元 214,用于根据所述网络的接入失败率对网络的接入性能 进行评估， 并根据评估结果选择相应的网络优化参考方案对网络进行优化。
基于上述系统架构， 参阅图 4所示， 本发明实施例中， 以基站针对一 个小区的网络环境进行优化为例， 优化网络接入性能的主要步骤包括： 步骤 401 : 基站接收移动台发送的呼叫触发消息， 并针对该呼叫触发消 息生成呼叫详细跟踪记录， 在整个呼叫接入过程中， 将整个呼叫流程的详 细信息记录在呼叫详细跟踪记录中， 该呼叫详细跟踪记录中记录的信息主 要包括目标小区标识信息、 用户终端的唯一标识信息（IMSI )、 移动台接收 到的导频信号强度信息 （Ec/Io )、 呼叫原因码等。
其中， 基站每收到一次呼叫触发消息就会对应产生一条呼叫详细跟踪 记录， 并根据该呼叫触发消息在呼叫详细跟踪记录中记录目标小区标识号、 用户终端的唯一标识信息 （IMSI ) 以及移动台接收到的导频信号强度等信 息， 在本次呼叫释放时， 在呼叫详细跟踪记录中记录呼叫原因码， 用于表 示本次呼叫接入是否成功， 以及在该呼叫接入失败时记录呼叫接入故障的 原因。
例如， 在呼叫接入成功时， 呼叫原因码中记录零值， 表示呼叫接入成 功； 在呼叫接入失败时， 呼叫原因码中记录非零值， 该非零值用于指示该 呼叫接入故障的原因以及对应该接入故障原因的网络优化参考方案。
步骤 402: 基站在本次呼叫释放后， 获取上述呼叫详细跟踪记录。
其中， 呼叫释放包括正常释放和非正常释放， 正常释放是指该呼叫连 接成功建立， 并在相关的业务完成使用后， 释放本次呼叫； 非正常释放是
指该呼叫连接建立失败或者掉话后， 释放本次呼叫。
步骤 403: 基站根据上述呼叫详细跟踪记录中的呼叫原因码， 判断本次 呼叫是否成功接入， 并基于判断结果统计网络的接入失败率。
在基于判断结果统计网络失败率时， 根据上述呼叫原因码获取本次呼 叫接入故障的原因， 并基于该接入故障原因统计对应该接入故障原因的接 入失败次数。
上述呼叫原因码中包含了对应的接入故障原因的指示信息， 可以根据 该指示信息获取本次接入失败的接入故障原因。
例如， 以前述表 1 为例， 如果针对本次呼叫生成的呼叫详细跟踪记录 中的呼叫原因码为 11 , 是非零值， 表示本次呼叫接入失败， 据表 1可知， 对应该呼叫原因码的接入故障原因为无线环境差； 如果针对本次呼叫生成 的呼叫详细跟踪记录中的呼叫原因码为 22 , 则对应该呼叫原因码的接入故 障原因为资源不足； 如果针对本次呼叫生成的呼叫详细跟踪记录中的呼叫 原因码为 44, 则对应该呼叫原因码的接入故障原因为终端服务选项错误。
同时， 还可以根据呼叫详细跟踪记录中的小区标识号， 确定本次呼叫 接入的小区， 并对该小区的接入次数累加 1 ,根据上述呼叫详细跟踪记录中 的呼叫原因码， 判断本次呼叫接入失败时， 对上述小区的接入失败次数累 加 1 , 并获取与该呼叫原因码对应的接入故障原因后，对上述小区的该接入 故障原因的接入失败次数累加 1 ,根据上述小区的接入次数和上述小区的接 入失败次数， 计算该小区的接入失败率， 该接入失败率可作为评估小区网 络接入性能的总体指标， 接入失败率越高， 表示小区的网络接入性能越差， 根据对小区各种接入故障原因的接入失败次数的统计， 可确定影响网络接 入性能的主要因素。
例如， 呼叫详细跟踪记录中的目标小区标识为 4381 , 对小区 4381的接 入次数累加 1 ,根据呼叫详细跟踪记录中的呼叫原因码判断本次呼叫接入失 败，对小区 4381的接入失败次数累加 1 , 并且根据呼叫原因码 22获知本次
呼叫接入故障的原因为资源不足， 则对小区 4381的资源不足对应的接入失 败次数累加 1 , 根据小区 4381的接入次数以及接入失败次数， 计算接入失 败率， 作为评估小区的网络接入性能的总体指标， 如果统计结果显示， 接 入故障原因中资源不足的接入失败次数相较于其他接入故障原因的接入失 败次数最多， 则可确定影响网络接入性能的主要因素为资源不足， 需要优 化相关小区和基站的资源配置。 又如， 呼叫详细跟踪记录中的小区标识为 1122, 并根据呼叫原因码 44判断本次呼叫接入失败， 并且接入故障原因为 终端用户服务选项错误， 则对小区 1122的接入失败次数累加 1 , 并对小区 1122终端用户服务选项错误对应的接入失败次数累加 1 , 由于该呼叫接入 失败是用户终端造成的， 提供的网络优化参考方案为定位到用户终端， 该 接入故障与网络接入性能无关， 该接入故障的接入失败次数可作为评估网 络接入性能的参考指标。
步骤 404: 基于网络的接入失败率对网络接入性能进行评估， 并根据评 估结果选择相应的网络优化参考方案对网络进行优化。
对网络接入性能进行评估具体为： 对网络的接入性能划分为若干等级， 并针对各个等级设定相应的接入失败率的范围， 从而能够釆用接入失败率 直接对网络的接入性能进行评估， 再根据评估结果对相应的小区进行网络 优化， 或者， 直接将接入失败率高的若干小区确定为需要进行网络优化的 对象。
例如， 可将网络的接入性能划分为三个等级， 分别为优、 良、 差， 等 级 "优" 对应的接入失败率为小于 2% , 等级 "良" 对应的接入失败率为 2%-4% , 而等级 "差" 对应的接入失败率为大于 4%, 如经过评估某小区的 接入失败率为 6%, 则该小区的网络接入性能为差， 需要对该小区进行网络 优化。
根据评估结果进行网络优化具体为： 获取对应当前流程中得到的呼叫 原因码设置的接入故障原因， 统计针对所述接入故障原因的接入失败次数，
并将已统计完毕的所有接入故障的原因的接入失败次数与设定阔值进行比 较， 将接入失败次数大于设定阔值的一个或多个接入故障原因确定为影响 网络接入性能的主要因素， 获取针对属于主要影响因素的接入故障原因设 置的网络优化参考方案， 对网络进行优化。
例如， 可以根据当前时间向前指定时间范围内 （如， 一天或一周）， 针 对本小区的接入次数、 接入失败次数、 接入失败率的统计结果， 对本小区 的网络的接入性能进行评估， 若小区的评估结果为差， 则获取导致该小区 当前接入失败的接入故障原因， 并统计该接入故障原因的接入失败次数， 以及获取在上述时间范围内已统计完毕的该小区的各种接入故障原因的接 入失败次数， 将接入失败次数超过设定阔值（如， 10次） 的接入故障原因 确定为影响小区接入性能的主要因素， 或者直接将接入失败次数多的某几 个（如， 2个）接入故障原因确定为影响网络接入性能的主要因素， 再根据 属于主要因素的接入故障原因， 获取对应的网络优化参考方案， 对网络进 行优化。
上述方法同样适用于对网络中的所有 d、区进行网络优化。
基于上述实施例， 通过预先建立呼叫原因码和接入故障原因的对应关 系， 然后针对移动台的每次呼叫触发消息生成对应的呼叫详细跟踪记录， 记录整个呼叫流程的详细信息， 直至呼叫释放后， 根据该呼叫详细跟踪记 录中的目标小区标识获取本次呼叫接入的小区， 并根据呼叫详细跟踪记录 中的呼叫原因码判断本次呼叫接入是否成功， 在判断呼叫失败时， 进一步 获取呼叫接入故障的原因， 最后， 统计小区的接入失败率以及小区的各种 接入故障原因的接入失败次数。 根据上述接入失败率可评估网络的总体接 入性能， 根据小区各种接入故障原因的接入失败次数可确定影响该小区网 络接入性能的主要因素， 从而能够更有效、 更准确地为对网络接入性能进 行优化， 实施中还针对接入故障原因提供了网络优化参考方案， 能够更好 地为网络优化提供支持。 并且上述实施例是对每次起呼消息统计接入失败
率等信息， 使得网络评估的结果更加全面、 更加准确。 例如， 小区 4381、 小区 1122的接入失败率较高， 那么这两个小区就值得网络优化人员重点关 注； 在针对小区的接入故障原因进行优化时， 小区 4381接入故障原因中的 无线环境差对应的接入失败次数最多， 网络优化人员就需要先考虑进行射 频覆盖优化。
综上所述， 本发明实施例， 通过统计接入失败率以及各个接入故障原 因的接入失败次数， 实现了评估网络接入性能的自动化， 并且网络可以根 据历史运行信息自动进行准确、 有效的性能优化， 提高网络优化的效率， 降低了系统维护成本， 同时， 通过统计网络每次呼叫的接入情况， 使得网 络评估的结果更全面、 更准确， 根据该评估结果能够更有效、 更准确地对 网络进行优化， 并且通过针对接入故障原因提供网络优化参考方案， 更好 地为网络优化提供支持。 本发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权 利要求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型在 内。
Claims
1、 一种优化网络接入性能的方法， 其特征在于， 包括：
接收移动台发送的呼叫触发消息， 并针对所述呼叫触发消息生成用于 记录整个呼叫流程的详细信息的呼叫详细跟踪记录， 所述呼叫详细跟踪记 录至少包括呼叫原因码；
在本次呼叫释放后， 获取所述呼叫详细跟踪记录；
根据所述呼叫详细跟踪记录中的呼叫原因码， 判断本次呼叫是否成功 接入， 并基于判断结果统计网络的接入失败率；
根据所述网络的接入失败率对网络接入性能进行评估， 并根据评估结 果选择相应的网络优化参考方案对网络进行优化。
2、 如权利要求 1所述的方法， 其特征在于， 所述呼叫触发消息为起呼 消息或寻呼响应消息。
3、 如权利要求 1所述的方法， 其特征在于， 所述呼叫原因码为用于指 示本次呼叫是否成功接入以及本次呼叫接入故障原因的指示信息。
4、 如权利要求 3所述的方法， 其特征在于， 根据所述网络的接入失败 率对网络接入性能进行评估， 包括：
根据所述接入失败率所属的数值范围， 获取该数值范围对应的网络接 入性能的等级作为所述网络的评估结果。
5、 如权利要求 4所述的方法， 其特征在于， 根据评估结果选择相应的 网络优化参考方案对网络进行优化， 包括：
获取对应所述呼叫原因码设置的接入故障原因；
统计针对所述接入故障原因的接入失败次数， 并将已统计完毕的所有 接入故障的原因的接入失败次数与设定阔值进行比较， 将接入失败次数大 于设定阔值的一个或多个接入故障原因确定为影响网络接入性能的主要因 获取针对属于主要影响因素的接入故障原因设置的网络优化参考方 案， 对网络进行优化。
6、 一种优化网络接入性能的装置， 其特征在于， 包括：
第一处理单元， 用于接收移动台发送的呼叫触发消息， 并针对所述呼 叫触发消息生成呼叫详细跟踪记录， 所述呼叫详细跟踪记录用于记录整个 呼叫流程的详细信息 , 该呼叫详细跟踪记录至少包括呼叫原因码；
第二处理单元， 用于本次呼叫释放时， 获取所述呼叫详细跟踪记录； 第三处理单元， 用于根据所述呼叫详细跟踪记录中的呼叫原因码， 判 断本次呼叫是否成功接入， 并基于判断结果统计网络的接入失败率；
第四处理单元， 用于根据所述网络的接入失败率对网络的接入性能进 行评估， 并根据评估结果选择相应的网络优化参考方案对网络进行优化。
7、 如权利要求 6所述的装置， 其特征在于， 所述第一处理单元接收的 所述呼叫触发消息为起呼消息或寻呼响应消息。
8、 如权利要求 6所述的装置， 其特征在于， 所述第四处理单元， 具体 用于根据所述网络的接入失败率对网络接入性能进行评估时， 根据所述接 入失败率所属的范围， 获取该范围对应的网络接入性能的等级作为所述网 络的评估结果。
9、 如权利要求 8所述的装置， 其特征在于， 所述第四处理单元， 具体 用于根据评估结果选择相应的网络优化参考方案对网络进行优化时， 获取 对应所述呼叫原因码设置的接入故障原因， 统计针对所述接入故障原因的 接入失败次数， 并将已统计完毕的所有接入故障的接入失败次数与设定阔 值进行比较， 将接入失败次数大于设定阔值的一个或多个接入故障原因确 定为影响网络接入性能的主要因素， 获取针对属于主要影响因素的接入故 障原因设置的网络优化参考方案， 对网络进行优化。
10、 一种优化网络接入性能的系统， 其特征在于， 包括：
移动台， 用于向基站发送呼叫触发消息； 优化网络接入性能的装置， 用于接收移动台发送的呼叫触发消息， 并 针对所述呼叫触发消息生成呼叫详细跟踪记录， 所述呼叫详细跟踪记录用 于记录整个呼叫流程的详细信息 , 该呼叫详细跟踪记录至少包括呼叫原因 码， 在本次呼叫释放后， 获取所述呼叫详细跟踪记录， 根据所述呼叫详细 跟踪记录中的呼叫原因码， 判断本次呼叫是否成功接入， 并基于判断结果 统计网络的接入失败率， 根据所述网络的接入失败率对网络的接入性能进 行评估， 并根据评估结果选择相应的网络优化参考方案对网络进行优化。
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| CN102333358A (zh) * | 2011-10-13 | 2012-01-25 | 中兴通讯股份有限公司 | 基站控制器及载频开启方法和装置 |
| CN103974299A (zh) * | 2014-05-15 | 2014-08-06 | 华为技术有限公司 | 网络优化方法和装置 |
| CN105471669B (zh) * | 2014-09-11 | 2019-03-12 | 中国移动通信集团湖南有限公司 | 一种通信网络故障定位的方法及装置 |
| CN105991594A (zh) * | 2015-02-15 | 2016-10-05 | 中兴通讯股份有限公司 | 一种呼叫处理方法和装置 |
| CN106304161A (zh) * | 2015-06-25 | 2017-01-04 | 中兴通讯股份有限公司 | 数据分析方法及装置 |
| CN105120486B (zh) * | 2015-09-11 | 2019-05-14 | 中国联合网络通信集团有限公司 | 一种通信网络效能的评价方法及装置 |
| CN105306131A (zh) * | 2015-10-19 | 2016-02-03 | 深圳如果技术有限公司 | 一种移动信号增强系统及方法 |
| CN107809780A (zh) * | 2016-09-09 | 2018-03-16 | 中兴通讯股份有限公司 | 一种对用户设备接入失败的主动处理方法、装置及基站 |
| CN111756559B (zh) * | 2019-03-26 | 2021-10-15 | 华为技术有限公司 | 跟踪信息的获取方法和装置 |
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