CN103313261A - Wireless network coverage backup method and device - Google Patents
Wireless network coverage backup method and device Download PDFInfo
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- CN103313261A CN103313261A CN2012100594693A CN201210059469A CN103313261A CN 103313261 A CN103313261 A CN 103313261A CN 2012100594693 A CN2012100594693 A CN 2012100594693A CN 201210059469 A CN201210059469 A CN 201210059469A CN 103313261 A CN103313261 A CN 103313261A
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Abstract
The invention provides a wireless network coverage backup method and device. The manner of configuring two RRUs for a base station is adopted to realize the network coverage backup. During a backup process, a site does not need to be encrypted, a business does not need to be interrupted and a double frequency spectrum requirement of a double network is not needed. Therefore, a lot of problems in the existing wireless network coverage backup method can be effectively conquered by the present invention of the wireless network coverage backup method and device.
Description
Technical field
The present invention relates to wireless communication technology, particularly relate to a kind of wireless network and cover backup method and device.
Background technology
Different from public telecommunication network, enterprise network is mostly directly related with the production and operation of enterprise, even relevant with the security of the lives and property, reliability requirement to network is higher, on the very little not even impact of the impact of business, therefore need to cover wireless network and carry out redundancy backup when requiring network element device to break down.
Wireless network commonly used covers backup method at present two kinds: single net interweaves and the two nets of same covering.
Fig. 1 is the schematic diagram that single net interweaves, as shown in the figure, it realizes that principle is mainly: originally realizing increasing a website in the middle of two websites (covering strictly according to the facts shown in the ellipse) that cover continuously, cover shown in the imaginary ellipse line, realize the overlapping covering of network.If there is one of them website to break, its former and later two websites can reach continuous covering, can not cause service disconnection.
Be exactly to additionally arrange Double-level Reticulated with covering two nets, according to network element backup needs, can carry out mutually backup or the wherein part network element backup of two nets of RRU, BBU and core net, such as RRU.
In single net interweaves backup scenario, need to encrypt website, like this, will cause existing following problems: many one times of website, the website of building a station selection is difficult, the expense of building a station is high; Website is close, disturbs more serious; Website is close, switches more frequently, and the call drop performance is switched in impact; Under the special screne, cover such as leaking cable, the breaks of leaking cable are increased one times; Station spacing shorten to covering power half, the residential quarter is too little, causes the bad application of algorithm of the distinguishing cell center and peripherals such as Inter-Cell Interference Coordination (ICIC).
And mainly in two net backup scenarios have two problems with covering, the one, can cause service disconnection when network element breaks down, in have no progeny could gravity treatment to on another network of throwing the net that covers Double-level Reticulated; Two is two to throw the net and work simultaneously, must alien frequencies for fear of disturbing, need like this 2 times frequency resource, and such as the 10MHz work bandwidth, just need the 20MHz frequency spectrum, this is generally difficult to satisfy.
This shows, existing wireless network covers backup method and exists and encrypt the problems that website brings or need interrupting service and the problem such as the frequency resource demand is many.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of wireless network to cover backup method and device, can overcome prior wireless network and cover the problems that backup method exists.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of wireless network covers backup method, and described method comprises:
A, be two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
B, for each described website, the base station side under this website is merged into a residential quarter with all paths of two RRU in this website.
A kind of wireless network covers backup method, and described method comprises:
A, be two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
B, for each described website, base station side under this website, the corresponding path of two RRU in this website is shone upon one by one, for the upstream data that receives, select to merge, for the downlink data that needs send, after copying two one by one the paths of mapping sending, the described overlay area that is mapped as two paths is identical.
A kind of wireless network covers back-up device, and described device comprises:
The RRU dispensing unit is used to two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
Baseband processing unit is used for for each described website, and the base station side under this website is merged into a residential quarter with all paths of two RRU in this website.
A kind of wireless network covers back-up device, and described device comprises:
The RRU dispensing unit is used to two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
Baseband processing unit, for each described website, base station side under this website, the corresponding path of two RRU in this website is shone upon one by one, for the upstream data that receives, select to merge, for the downlink data of needs transmission, after copying two one by one the paths of mapping sending, the described overlay area that is mapped as two paths is identical.
In sum, the wireless network that the present invention proposes covers standby system, the mode that is adopted as two RRU of base station configuration realizes network coverage backup, owing to not needing to encrypt website, interrupting service during backup, therefore the double spectrum requirement that does not also need two nets can effectively overcome prior wireless network and cover the problems that backup method exists.
Description of drawings
Fig. 1 is existing single net backup schematic diagram that interweaves;
Fig. 2 is the method flow diagram of the embodiment of the invention one;
Fig. 3 is with the two RRU alternate device connection diagrams in station;
Fig. 4 is for merging into 4 passages of 2 RRU in the Base-Band Processing schematic diagram of a residential quarter;
Fig. 5 is the apparatus structure schematic diagram of the embodiment of the invention one;
Fig. 6 is the method flow diagram of the embodiment of the invention two;
The Base-Band Processing schematic diagram that Fig. 7 shines upon one by one for 4 passages with 2 RRU;
Fig. 8 is the apparatus structure schematic diagram of the embodiment of the invention two.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Core concept of the present invention is, cover based on single net, the mode that is adopted as two RRU of base station configuration realizes network coverage backup, when one of them RRU breaks down, can provide normal covering by another RRU, coverage planning is undertaken by single RRU covering power.Like this, can avoid on the one hand encrypting the problems due to the website, on the other hand owing to being single net backup, can automatically becoming single RRU during single damages among two RRU and cover, can not cause professional call drop, also not have two double spectrum requirements of netting.
Fig. 2 is that the wireless network of the embodiment of the invention one covers the backup method flow chart.As shown in Figure 2, the method mainly comprises:
Here, two RRU of each site configuration, and two shared antenna-feedback systems of RRU like this, can guarantee that two RRU cover mutually backup.The below is specifically described this.Fig. 3 has provided the one-sided situation about being covered by 1path of basis planning when a website will cover the wire zone of the left and right sides along the line, one-sided by the 2path covering from 2 RRU after the backup, can obtain the diversity gain of 2path, if one of them RRU has broken, can rollback be that one-sided 1path covers, the same side connects same 2 passage dual polarized antennas from 2 path of 2 RRU.Further, if the basis is planned the one-sided 2path of being and is covered, then one-sided by the 4path covering from 2 RRU after two RRU backups, compare 2path and obtain the gains such as diversity, if one of them RRU has broken, can rollback be that 2path covers, the same side connects same 4 passage dual polarized antennas from totally 4 path of 2 RRU.
Need the port number of two RRU that single website is applied to merge into a residential quarter in this step, to realize the processing of base band side, specifically merging method is grasped by those skilled in the art, does not repeat them here.
Fig. 4 has provided the schematic diagram of 4 passages of 2 RRU being merged into a residential quarter.As shown in Figure 4, need base band that 4 path that 2 RRU cover both sides are merged into 1 residential quarter.If the basis is planned to one-sided 2path, then base band need to be merged into 1 residential quarter with 8 path of 2 RRU covering both sides; So carry out the backup of list net, a RRU has broken, another RRU normal operation, and the business that do not affect is carried out, and slightly reduces on the performance, but because planning is done by basis planning, has gone bad a RRU and also can satisfy performance requirement.
Fig. 5 is the apparatus structure schematic diagram corresponding with above-described embodiment one method, and as shown in Figure 5, this device comprises:
The RRU dispensing unit is used to two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share.
Baseband processing unit is used for for each described website, and the base station side under this website is merged into a residential quarter with all paths of two RRU in this website.
The mode that the base band side adopts passage to merge in above-described embodiment one realizes, in actual applications, the mode that also can adopt each path of 2 RRU to configure one by one mapping realizes, specifically can describe by the following embodiment two of mistake.
Fig. 6 is that the wireless network of the embodiment of the invention two covers the backup method flow chart.As shown in Figure 4, the method mainly comprises:
This step does not repeat them here with above-mentioned step 201.
Here, each path of 2 RRU is done one by one mapping in base band respectively, do not change the residential quarter port number specification of base band, can accomplish that equally two RRU of single net back up, and the difference of embodiment one is to obtain the diversity gain that double port number brings.The Base-Band Processing schematic diagram that Fig. 7 shines upon one by one for 4 passages with 2 RRU.Here, 2 path of 2 RRU of up each other mapping receive signal and merge, and the descending each other transmission data of 2 path of 2 RRU of mapping copy transmission.
Fig. 8 is the apparatus structure schematic diagram corresponding with above-described embodiment two methods, and as shown in Figure 5, this device comprises:
The RRU dispensing unit is used to two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
Baseband processing unit, for each described website, base station side under this website, the corresponding path of two RRU in this website is shone upon one by one, for the upstream data that receives, select to merge, for the downlink data of needs transmission, after copying two one by one the paths of mapping sending, the described overlay area that is mapped as two paths is identical.
In sum, above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a wireless network covers backup method, it is characterized in that, described method comprises:
A, be two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
B, for each described website, the base station side under this website is merged into a residential quarter with all paths of two RRU in this website.
2. a wireless network covers backup method, it is characterized in that, described method comprises:
A, be two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
B, for each described website, base station side under this website, the corresponding path of two RRU in this website is shone upon one by one, for the upstream data that receives, select to merge, for the downlink data that needs send, after copying two one by one the paths of mapping sending, the described overlay area that is mapped as two paths is identical.
3. a wireless network covers back-up device, it is characterized in that, described device comprises:
The RRU dispensing unit is used to two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
Baseband processing unit is used for for each described website, and the base station side under this website is merged into a residential quarter with all paths of two RRU in this website.
4. a wireless network covers back-up device, it is characterized in that, described device comprises:
The RRU dispensing unit is used to two RRU of each site configuration in the system, the antenna-feedback system of website under described two RRU share;
Baseband processing unit, for each described website, base station side under this website, the corresponding path of two RRU in this website is shone upon one by one, for the upstream data that receives, select to merge, for the downlink data of needs transmission, after copying two one by one the paths of mapping sending, the described overlay area that is mapped as two paths is identical.
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| CN2012100594693A CN103313261A (en) | 2012-03-08 | 2012-03-08 | Wireless network coverage backup method and device |
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| CN2012100594693A CN103313261A (en) | 2012-03-08 | 2012-03-08 | Wireless network coverage backup method and device |
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| CN103313261A true CN103313261A (en) | 2013-09-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889118A (en) * | 2017-10-19 | 2018-04-06 | 北京全路通信信号研究设计院集团有限公司 | RRU interweaves redundant L TE-R network system |
| CN109699022A (en) * | 2017-10-20 | 2019-04-30 | 普天信息技术有限公司 | A kind of CBTC data transmission method |
| CN110868753A (en) * | 2018-08-27 | 2020-03-06 | 成都鼎桥通信技术有限公司 | Resource allocation method, device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2852539Y (en) * | 2005-10-31 | 2006-12-27 | 中兴通讯股份有限公司 | Device for multiple base station sharing aerial feed and base station system |
| US20080298275A1 (en) * | 2004-06-04 | 2008-12-04 | Elvino Silveira Medina De Sousa | Autonomous Infrastructure Wireless Networks |
| CN101854632A (en) * | 2009-03-31 | 2010-10-06 | 中国移动通信集团河北有限公司 | Wireless communication system and frequency allocation method thereof |
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2012
- 2012-03-08 CN CN2012100594693A patent/CN103313261A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080298275A1 (en) * | 2004-06-04 | 2008-12-04 | Elvino Silveira Medina De Sousa | Autonomous Infrastructure Wireless Networks |
| CN2852539Y (en) * | 2005-10-31 | 2006-12-27 | 中兴通讯股份有限公司 | Device for multiple base station sharing aerial feed and base station system |
| CN101854632A (en) * | 2009-03-31 | 2010-10-06 | 中国移动通信集团河北有限公司 | Wireless communication system and frequency allocation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889118A (en) * | 2017-10-19 | 2018-04-06 | 北京全路通信信号研究设计院集团有限公司 | RRU interweaves redundant L TE-R network system |
| CN107889118B (en) * | 2017-10-19 | 2020-11-24 | 北京全路通信信号研究设计院集团有限公司 | LTE-R network system with RRU interleaving redundancy |
| CN109699022A (en) * | 2017-10-20 | 2019-04-30 | 普天信息技术有限公司 | A kind of CBTC data transmission method |
| CN110868753A (en) * | 2018-08-27 | 2020-03-06 | 成都鼎桥通信技术有限公司 | Resource allocation method, device and system |
| CN110868753B (en) * | 2018-08-27 | 2022-08-12 | 成都鼎桥通信技术有限公司 | Resource allocation method, device and system |
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Application publication date: 20130918 |