CN101110636A - Wireless system base station synchronous monitoring method - Google Patents
Wireless system base station synchronous monitoring method Download PDFInfo
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- CN101110636A CN101110636A CNA2006101035408A CN200610103540A CN101110636A CN 101110636 A CN101110636 A CN 101110636A CN A2006101035408 A CNA2006101035408 A CN A2006101035408A CN 200610103540 A CN200610103540 A CN 200610103540A CN 101110636 A CN101110636 A CN 101110636A
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Abstract
The present invention discloses a synchronous monitoring method for a wireless system base station. Firstly, a synchronous monitoring base station and relevant synchronous monitoring parameters are arranged for a preset quantity of base stations. And then, taking its time as reference, the synchronous monitoring base station checks synchronization of surrounding base stations and calculates synchronous time slot deviations. As the synchronous time slot deviations of the monitored base stations exceed a preset threshold value, warning information is reported to a network administrator according to a warning selection algorithm. After receiving the warning information, the network administrator output requirement for base stations to be adjusted based on original data of synchronous monitoring and dispatches a command of synchronous adjustment to the base station to be adjusted. The base station to adjusted adjusts its own 5ms frames and eliminates synchronous deviations in compliance with parameters of the synchronous adjustment command. The present invention increases promptness of synchronization problem discovery, reduces maintenance workload and improves network call quality.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to the method for a kind of base station synchronous monitoring in the wireless communication system.
Background technology
TD-SCDMA, the air interface of wireless systems such as PHS, the working method of employing TDMA/TDD (TDMA/TDD).It is synchronous that such system must have accurate air frame, can guarantee that the signal that each mobile phone terminal sends can not overlap or misplace in the base station, with the interference of avoiding wireless time slot and the efficient utilization that guarantees Radio Resource.Air frame is huge to the network performance influence synchronously, the synchronously bad a series of problems such as BTS channel can not effectively be worked, no-response paging can appear in system, base station cell permeability decrease, the easy call drop of switching that cause.
Air frame sync status for numerous base station in the wireless system, at present, also there is not to obtain by webmaster monitoring in real time the method for all base station synchronization situations, and can only stationary problem take place, when causing customer complaint, put one by one to the scene by instrument again and test, manually adjust then.This solution not only expends huge man power and material, and belongs to the type that afterwards remedies, and is very passive, for operator, will cause user satisfaction to descend.
But,, do not find as yet at present the TDMA/TDD wireless communication system is realized base station synchronization the state document and the patent of the correlation technique of monitoring automatically through retrieval.Thereby, need a kind of method that can realize real-time, can in time pinpoint the problems and produce alarm, in time analyze and handle synchronous regime by webmaster to the base station synchronization condition monitoring, the base station that stationary problem is arranged is adjusted, improved the sync status of whole system base station.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method of wireless system base station synchronous monitoring is provided, can't be in the prior art in order to overcome to the real-time shortcoming of monitoring of the sync status of TDMA/TDD wireless communication system all basic station over network such as TD-SCDMA, PHS, realization is monitored in real time to the sync status of all basic station over network, in time finds stationary problem and in time adjusts the base station synchronization state to solve fault.
The invention provides a kind of method of wireless system base station synchronous monitoring, comprise the steps:
(1) is synchronization monitoring base station of base station configuration of every predetermined quantity, and is this synchronization monitoring base station configuration synchronization monitoring relevant parameter, comprising synchronization monitoring cycle, synchronism deviation threshold value and alarm selection algorithm;
(2) synchronization monitoring is regularly carried out in described synchronization monitoring base station, and the synchronization monitoring cycle is when beginning, will be just its down all mobile phones of conversation switch to and continue communication on other base station;
(3) the synchronization monitoring base station is a benchmark with self time, detect the sync status of peripheral base station and also calculate the slot synchronization deviation, when the slot synchronization deviation of monitored base stations surpasses the synchronism deviation threshold value, according to the alarm selection algorithm to webmaster report and alarm information;
(4) after described webmaster was received warning information, the initial data of obtaining synchronization monitoring from this synchronization monitoring base station was analyzed and is calculated automatically, and output needs the base station requirement of adjustment;
(5) described webmaster is assigned synchronization adjustment command according to the requirement of determined base station to the base station of needs adjustment;
(6) the time frame frame of oneself according to the parameter in the synchronization adjustment command, is adjusted in the base station that needs adjustment after receiving synchronization adjustment command, eliminates synchronism deviation.
Further, set synchronization monitoring base station in the step (1), being one at ordinary times can operate as normal absorbs telephone traffic, regularly is called and withdraws from operation and monitor the base station of peripheral base station sync status in the cycle at synchronization monitoring, it is subjected to the webmaster management and has the attribute that is different from peripheral base station on webmaster, whether opens the synchronization monitoring function of this synchronization monitoring base station by webmaster by parameter control.
Further, be set to the synchronization monitoring relevant parameter on the synchronization monitoring base station in the step (1), further comprise the indication of received signal intensity, search time of implementation, effective number of base stations, asynchronous proportion threshold value.
Further, the alarm selection algorithm described in the step (3) is:
With each synchronization monitoring base station is benchmark, calculate the relative simultaneous bias of other monitored base stations, obtain an asynchronous ratio that obtains divided by total base station number by asynchronous base station number, if when this asynchronous ratio surpasses the asynchronous proportion threshold value of presetting, to the webmaster report and alarm.
The base station of being exported in the step (4) further, requires to comprise base station station number, adjustment time, time limit requirement.
Further, adjust order described in the step (5) and comprise parameter: adjust basic station number, adjustment mode, specify upper-level BTS, the time requirement of adjustment, the adjustment executive mode adjusted.Wherein, described adjustment executive mode comprises:
A, normal synchronized adjustment, promptly the base station is carried out and is withdrawed from operation, search base station, carries out synchronously by normal method;
B, appointment upper-level BTS are adjusted synchronously, i.e. it is synchronous that operation, search specific base and this specific base are withdrawed from base station execution, and wherein specified upper-level BTS is no more than 3;
C, adjust synchronously by the adjusted value of webmaster requirement, promptly carry out and withdraw from operation, adjustment frame head, put into effect again in the base station;
D, at first carry out a mode, if the b mode is then carried out in failure.
Adopt method of the present invention, can initiatively monitor the sync status of all basic station over network in real time, when finding to have base station asynchronous to take place, can remind the attendant immediately to webmaster report and alarm information.And can collect primary monitoring data automatically,, issue the adjustment instruction, make the base station of this generation problem adjust time slot, eliminate synchronism deviation according to instruction by network side according to preset threshold value and synchronized algorithm.Thereby, improved the promptness of finding stationary problem greatly, reduced maintenance workload, improved the Internet phone-calling quality.
Description of drawings
Fig. 1 is the flow chart of the full implementation process of base station synchronous monitoring.
Embodiment
Be described in further detail below in conjunction with the technical scheme of drawings and the specific embodiments the method for the invention.
In the present embodiment, the base station of each determined number such as per 20 base stations, is provided with a base station of being responsible for carrying out synchronization monitoring, can be called " synchronization monitoring base station ", in order to the frame synchronization situation of monitoring peripheral base station.This synchronization monitoring base station at ordinary times can be as other base station, and operate as normal absorbs telephone traffic; But it has the synchronous detecting function, can regularly be called and withdraws from operation (such as per 30 minutes, 1 hour, 2,3,4,5,6...), monitors the sync status of peripheral base station, monitoring can report and alarm when noting abnormalities to webmaster.Each testing process was finished in about 5 minutes, can resume normal operation again after detection finishes, and continued to absorb telephone traffic.On webmaster, this synchronization monitoring base station is set to a kind of new attribute, and with other base station around being different from, webmaster can be managed this synchronization monitoring base station, controls this base station by parameter and whether opens the synchronous detecting function.Used Synchronize Alarm threshold value during described synchronization monitoring base station monitors can download to this synchronization monitoring base station by webmaster by the parameter setting, and main threshold value comprises: time offset, asynchronous base station ratio etc.
After webmaster is received alarm, the data that the synchronization monitoring base station reports are carried out analyzing and processing, the basic demand of handling is: for the base station of repeating to monitor, get the strong data of received field strength, abandon the weak data of field intensity, exceed the minimum criterion algorithm for design statistics of threshold number according to all base stations, outputting alarm and the base station that needs to adjust require (base station IDs, the adjustment time, the time limit requires).After the analytical calculation on webmaster backstage is finished, need to confirm different alarming threshold and processing policy, handle by network, carry out different processing according to different situations.Assign the adjustment order for the base station that needs to adjust by webmaster and network at last, reach the purpose of timely solution stationary problem.
Particularly, the method for the wireless system base station synchronous monitoring in the present embodiment mainly comprises the steps:
Step 1: the synchronization monitoring base station is set, and the synchronization monitoring relevant parameter is set for this synchronization monitoring base station.
Base station (such as per 20 base stations) for each determined number can be provided with a synchronization monitoring base station, in order to the frame synchronization situation of monitoring peripheral base station.Simultaneously, need carry out the setting of sync correlation parameter to this base station, wherein, the synchronization monitoring relevant parameter mainly comprises:
1) the synchronization monitoring cycle, comprises that the synchronization monitoring base station carries out the information such as the time interval of zero-time, termination time and the execution of synchronization monitoring;
2) RSSI refers to effective base station signal strength, surpasses the base station of this RSSI numerical value, and resulting detection data just are put into statistical computation when detecting;
3) the search time of implementation, be meant to require the base station to carry out the time of search;
4) effective number of base stations, the synchronization monitoring base station search to base station (comprising oneself) when outnumbering this value, just Synchronize Alarm calculating is carried out in triggering;
5) simultaneous bias threshold value when the synchronism deviation between two base stations surpasses this threshold value, shows this two base station asynchronous.
6) asynchronous proportion threshold value when the asynchronous base station ratio that is obtained divided by total base station number by asynchronous base station number surpasses this threshold value, just triggers to webmaster report and alarm information;
7) algorithm is selected, and selects different alarms to produce algorithm.
Step 2: synchronization monitoring base station operate as normal absorbs telephone traffic, when monitoring period begins, stop control channel (CCH) earlier and send, and send the switching indication, allow these mobile phones switch to and proceed communication on other base station to all mobile phones of under this synchronization monitoring base station, conversing.
The time of a synchronization monitoring was carried out within 5 minutes in the synchronization monitoring base station, and this moment, the synchronization monitoring base station did not absorb telephone traffic, treated that synchronization monitoring is finished, and recovered again will continue to absorb telephone traffic after the operate as normal.The synchronization monitoring base station regularly begins to carry out synchronization monitoring, for example per half an hour, or 1 hour, or 2,3,4...... hour.
Step 3: the synchronization monitoring base station is a benchmark with the time of oneself, detects the synchronous situation of peripheral base station, calculates the slot synchronization deviation.
Wherein, when the synchronization monitoring base station reaches certain number in effective number of base stations, just trigger and carry out synchronous detecting, during detection, the synchronization monitoring base station can meet GPS, also can not meet GPS, the difference that deals with when meeting GPS and not meeting GPS: if the synchronization monitoring base station has been connected GPS, the synchronous detecting result who reports so is benchmark with the gps clock; Otherwise the 5ms frame head with self is a benchmark.
Step 4: have the synchronism deviation of base station to surpass default synchronism deviation threshold value around the synchronization monitoring base station detects, and nonsynchronous base station number has surpassed certain ratio, when promptly being higher than in the step 1 set asynchronous ratio value, just decision triggers report and alarm, thereby the selected alarm algorithm of foundation is to webmaster report and alarm information.
The synchronization monitoring base station detects RSSI (the received signal intensity indication above appointment, ReceivedSignal Strength Indicator) in the peripheral base station, there is the synchronism deviation of base station to surpass default synchronism deviation threshold value, and the ratio of asynchronous base station has surpassed default asynchronous proportion threshold value, so, select alarm algorithm and the decision of foundation alarm algorithm whether to webmaster report and alarm information.The alarm algorithm that adopts is to be benchmark with each synchronization monitoring base station, calculates the relative simultaneous bias of other monitored base stations, and each monitored base stations can obtain an asynchronous ratio (asynchronous base station number/total base station number) like this; If asynchronous ratio surpasses this asynchronous proportion threshold value, to the webmaster report and alarm.
Step 5: webmaster is received after the warning information, obtains the initial data of synchronization monitoring automatically from the synchronization monitoring base station, and initial data is analyzed, the base station that output needs to adjust requires (base station IDs, the adjustment time, the time limit requires), wherein base station IDs is meant the base station station number.
Step 6: the base station requirement of Tiao Zhenging as required, determine to adjust order, assign for the base station that need adjust by webmaster and network and adjust order.
Comprise following parameter in the described order: adjust basic station number, the adjustment mode, the upper-level BTS of specify adjusting, executive mode (adjust immediately, adjust behind the end of conversation) etc. is adjusted in the time requirement of adjustment (CCH reach or then move x μ s).When determining to adjust the parameter in the order, determine concrete parameter by the computational methods and the processing policy that are provided with, the parameter that for example has has several selections, then need determine concrete which kind of parameter that adopts according to the mode of setting (being computational methods and processing policy).
Wherein, adjusting executive mode can specify following any:
A, normal synchronized adjustment (base station is carried out and is withdrawed from operation, search base station, and carry out synchronously by normal method);
B, appointment upper-level BTS are adjusted (base station is carried out and withdrawed from operation, searches for specific base, and synchronous with this specific base) synchronously, specify 3 upper-level BTSs at most;
C, adjust (base station is carried out and to be withdrawed from operation, adjusts frame head, puts into effect again) synchronously by the adjusted value of webmaster requirement.
D, at first carry out a mode, if the b mode is then carried out in failure.
Step 7: receive after the synchronous adjustment instruction base station to be adjusted, according to the parameter in the instruction, the time frame (for example 5ms frame) of oneself is adjusted, and eliminates synchronism deviation.
The method of present embodiment proposes a kind of base station synchronization condition monitoring to the TDMA/TDD wireless communication system, can realize automatic monitoring, pinpoint the problems and on webmaster, produce alarm, and handle according to the monitoring initial data, according to default algorithm and strategy, issue and adjust instruction, the adjustment of air frame synchronous regime is carried out in the base station that stationary problem is arranged, can in time solve fault, improve the network service level, reach the effect of improving sync status.
Claims (8)
1. the method for a wireless system base station synchronous monitoring is characterized in that, comprises the steps:
(1) is synchronization monitoring base station of base station configuration of every predetermined quantity, and is this synchronization monitoring base station configuration synchronization monitoring relevant parameter, comprising synchronization monitoring cycle, synchronism deviation threshold value and alarm selection algorithm;
(2) synchronization monitoring is regularly carried out in described synchronization monitoring base station, and the synchronization monitoring cycle is when beginning, will be just its down all mobile phones of conversation switch to and continue communication on other base station;
(3) the synchronization monitoring base station is a benchmark with self time, detect the sync status of peripheral base station and also calculate the slot synchronization deviation, when the slot synchronization deviation of monitored base stations surpasses the synchronism deviation threshold value, according to the alarm selection algorithm to webmaster report and alarm information;
(4) after described webmaster was received warning information, the initial data of obtaining synchronization monitoring from this synchronization monitoring base station was analyzed and is calculated automatically, and output needs the base station requirement of adjustment;
(5) described webmaster is assigned synchronization adjustment command according to the requirement of determined base station to the base station of needs adjustment;
(6) time frame of oneself according to the parameter in the synchronization adjustment command, is adjusted in the base station that needs adjustment after receiving synchronization adjustment command, eliminates synchronism deviation.
2. the method for claim 1, it is characterized in that, set synchronization monitoring base station in the step (1), being one at ordinary times can operate as normal absorbs telephone traffic, regularly is called and withdraws from operation and monitor the base station of peripheral base station sync status in the cycle at synchronization monitoring, it is subjected to the webmaster management and has the attribute that is different from peripheral base station on webmaster, whether opens the synchronization monitoring function of this synchronization monitoring base station by webmaster by parameter control.
3. the method for claim 1 is characterized in that, is set to the synchronization monitoring relevant parameter on the synchronization monitoring base station in the step (1), further comprises the indication of received signal intensity, search time of implementation, effective number of base stations, asynchronous proportion threshold value.
4. the method for claim 1 is characterized in that, self of synchronization monitoring base station described in the step (3), when being connected with GPS, is meant with the gps time to be self of benchmark time time; When not connecting GPS, be meant with self time frame frame head to be self of benchmark time.
5. as claim 1 or 3 described methods, it is characterized in that the alarm selection algorithm described in the step (3) is:
With each synchronization monitoring base station is benchmark, calculate the relative simultaneous bias of other monitored base stations, obtain an asynchronous ratio that obtains divided by total base station number by asynchronous base station number, if when this asynchronous ratio surpasses the asynchronous proportion threshold value of presetting, to the webmaster report and alarm.
6. the method for claim 1 is characterized in that, the base station of being exported in the step (4) requires to comprise base station station number, adjustment time, time limit requirement.
7. the method for claim 1 is characterized in that, adjusts order described in the step (5) and comprises parameter: adjust basic station number, adjustment mode, specify upper-level BTS, the time requirement of adjustment, the adjustment executive mode adjusted.
8. method as claimed in claim 7 is characterized in that, described adjustment executive mode comprises:
A, normal synchronized adjustment, promptly the base station is carried out and is withdrawed from operation, search base station, carries out synchronously by normal method;
B, appointment upper-level BTS are adjusted synchronously, i.e. it is synchronous that operation, search specific base and this specific base are withdrawed from base station execution, and wherein specified upper-level BTS is no more than 3;
C, adjust synchronously by the adjusted value of webmaster requirement, promptly carry out and withdraw from operation, adjustment frame head, put into effect again in the base station;
D, at first carry out a mode, if the b mode is then carried out in failure.
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| CN2006101035408A CN101110636B (en) | 2006-07-21 | 2006-07-21 | Wireless system base station synchronous monitoring method |
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| CN2006101035408A CN101110636B (en) | 2006-07-21 | 2006-07-21 | Wireless system base station synchronous monitoring method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102026363A (en) * | 2009-10-14 | 2011-04-20 | 大唐移动通信设备有限公司 | Base station internal synchronization method of hierarchical system and base station |
| CN102387515A (en) * | 2010-09-01 | 2012-03-21 | 鼎桥通信技术有限公司 | Base station step-out defecting method and base station system |
| CN101720105B (en) * | 2009-12-01 | 2012-08-29 | 哈尔滨海能达科技有限公司 | Method for solving problem of coverage distance limitation of DMR communication system |
| CN102833027A (en) * | 2012-09-21 | 2012-12-19 | 烽火通信科技股份有限公司 | Synchronization status monitoring method based on time offset |
| CN111092688A (en) * | 2019-12-30 | 2020-05-01 | 海信集团有限公司 | Time calibration method and device and terminal equipment |
| CN113225805A (en) * | 2021-05-18 | 2021-08-06 | 中移(上海)信息通信科技有限公司 | Method and device for determining synchronous deviation of positioning base station |
| CN114173277A (en) * | 2021-10-29 | 2022-03-11 | 四川中电昆辰科技有限公司 | Positioning base station synchronization and displacement monitoring system and monitoring method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2781950B1 (en) * | 1998-07-30 | 2007-01-05 | Sfr Sa | CELLULAR RADIOCOMMUNICATION SYSTEM USING DATA REPEAT DOWN A BASE STATION, AND CORRESPONDING DATA REPETITION DEVICE |
| US6469984B1 (en) * | 1999-06-24 | 2002-10-22 | Qualcomm Incorporated | Method and system for monitoring traffic on a code division multiple access repeater |
| CN1306723C (en) * | 2002-12-31 | 2007-03-21 | 北京信威通信技术股份有限公司 | Direct transmitting station for synchronous CDMA system and its control |
| CN1219410C (en) * | 2003-05-07 | 2005-09-14 | 深圳市一通金泰科技股份有限公司 | Intelligent base station signal relay amplifying and transmitting device and method |
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2006
- 2006-07-21 CN CN2006101035408A patent/CN101110636B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN102026363A (en) * | 2009-10-14 | 2011-04-20 | 大唐移动通信设备有限公司 | Base station internal synchronization method of hierarchical system and base station |
| WO2011044836A1 (en) * | 2009-10-14 | 2011-04-21 | 大唐移动通信设备有限公司 | Method for synchronization intra base station in layered system and base station |
| CN101720105B (en) * | 2009-12-01 | 2012-08-29 | 哈尔滨海能达科技有限公司 | Method for solving problem of coverage distance limitation of DMR communication system |
| CN102387515A (en) * | 2010-09-01 | 2012-03-21 | 鼎桥通信技术有限公司 | Base station step-out defecting method and base station system |
| CN102387515B (en) * | 2010-09-01 | 2014-05-07 | 鼎桥通信技术有限公司 | Base station step-out defecting method and base station system |
| CN102833027A (en) * | 2012-09-21 | 2012-12-19 | 烽火通信科技股份有限公司 | Synchronization status monitoring method based on time offset |
| CN102833027B (en) * | 2012-09-21 | 2016-03-23 | 烽火通信科技股份有限公司 | A kind of synchronous regime monitoring method based on time migration |
| CN111092688A (en) * | 2019-12-30 | 2020-05-01 | 海信集团有限公司 | Time calibration method and device and terminal equipment |
| CN111092688B (en) * | 2019-12-30 | 2021-02-09 | 海信集团有限公司 | Time calibration method and device and terminal equipment |
| CN113225805A (en) * | 2021-05-18 | 2021-08-06 | 中移(上海)信息通信科技有限公司 | Method and device for determining synchronous deviation of positioning base station |
| CN114173277A (en) * | 2021-10-29 | 2022-03-11 | 四川中电昆辰科技有限公司 | Positioning base station synchronization and displacement monitoring system and monitoring method |
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