CN100562159C - Wireless communication system cascade mode connect by the upgrade method of administration module - Google Patents

Wireless communication system cascade mode connect by the upgrade method of administration module Download PDF

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Publication number
CN100562159C
CN100562159C CNB2007100986398A CN200710098639A CN100562159C CN 100562159 C CN100562159 C CN 100562159C CN B2007100986398 A CNB2007100986398 A CN B2007100986398A CN 200710098639 A CN200710098639 A CN 200710098639A CN 100562159 C CN100562159 C CN 100562159C
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rru
administration module
software
upgrading
remote radio
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CN101039496A (en
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陶卫军
赵刚
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ZTE Corp
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ZTE Corp
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Abstract

The invention provides that a kind of wireless communication system cascade mode connects by the upgrade method of administration module, what described cascade system connected is connected to form chain structure by administration module and administration module, and by upgrading alternately with administration module, this method comprises: steps A, administration module are obtained by the position of administration module in described chain structure; Step B, administration module according to described by the position of administration module in described chain structure, opsition dependent from after forward order successively with chain structure mutual by administration module, the upgrading by administration module.Method of the present invention is according to by the position of administration module in described chain structure, opsition dependent from after forward order upgrade successively by administration module, cascade can be guaranteed that by the interference of the module of front in the administration module to the back module cascade is by the smooth upgrading of each module in the administration module when having eliminated upgrading like this.

Description

Wireless communication system cascade mode connect by the upgrade method of administration module
Technical field
The present invention relates in the wireless communication system by the upgrade method of administration module, particularly a kind of wireless communication system cascade mode connect by the upgrade method of administration module.
Background technology
The framework development of wireless communication system forms such trend gradually: radio frequency unit is separated with baseband control unit BBU, radio frequency unit is placed on the place of various needs, by long-distance transmissions means (as optical fiber or cable) both are connected then, the radio frequency unit of this separate mode setting is referred to as remote radio unit (RRU) RRU.Above-mentioned framework is because two independent parts are separated, and stand-alone development has not only reduced cost, has also improved the flexibility of networking, has made things convenient for project installation.
In conjunction with below the framework of RRU, a BBU can manage a plurality of RRU at BBU, and the network of various topological structures such as that a plurality of RRU can form is star-like, chain, ring-like, tree type links to each other with BBU.
The processing mode of the upgrading of the RRU of prior art comprises RRU earlier from BBU elder generation download new software, then the RRU step of new software of reruning.
Under Fig. 1, Fig. 2 and RRU cascade situation shown in Figure 3, just there is defective in above-mentioned RRU upgrading mode: if the RRU of front downloads the new software that finishes from BBU earlier, this moment, it can load new software at once, if and the current operating software of new software and BBU is incompatible, chain rupture will take place with BBU in this RRU, thereby has influence on the download new software of back RRU.
Certainly, Fig. 1, Fig. 2 only are to illustrate this networking mode that is connected with Fig. 3, and also can there be the situation of RRU cascade in other connection networking mode.
Above-mentioned is in conjunction with the framework of RRU the existing in prior technology problem to be described with BBU, and what can know by inference is that the problems referred to above are present in the following structure in the wireless communication system equally:
Being connected the back by administration module with cascade system is connected with administration module;
Need be realized alternately with administration module by the upgrading of administration module.
Summary of the invention
The purpose of this invention is to provide that a kind of wireless communication system cascade mode connects by the upgrade method of administration module, make that cascade system connects a plurality of by administration module smoothly download new software upgrade.
To achieve these goals, the invention provides that a kind of wireless communication system cascade mode connects by the upgrade method of administration module, what described cascade system connected is connected to form chain structure by administration module and administration module, and by upgrading alternately with administration module, wherein, this method comprises:
Steps A, administration module are obtained by the position of administration module in described chain structure;
Step B, administration module according to described by the position of administration module in described chain structure, opsition dependent from after forward order successively with chain structure mutual by administration module, the upgrading by administration module.
Above-mentioned upgrade method, wherein, described administration module is a baseband control unit, described is remote radio unit (RRU) by administration module.
Above-mentioned upgrade method, wherein, the position of described remote radio unit (RRU) in chain structure is with the remote radio unit (RRU) series expression.
Above-mentioned upgrade method, wherein, described step B specifically comprises:
Step B1, the remote radio unit (RRU) of baseband control unit progression maximum in the remote radio unit (RRU) that does not carry out upgrading processing sends the software upgrading request;
After step B2, remote radio unit (RRU) receive the software upgrading request,, download the back that finishes and return software upgrading request response to baseband control unit from the baseband control unit download new software;
Step B3, baseband control unit judges whether not carry out in addition the remote radio unit (RRU) of upgrading processing, if having, returns step B2, otherwise enters step B4;
Step B4, baseband control unit is enabled new software.
Above-mentioned upgrade method wherein, also comprises:
After step C, remote radio unit (RRU) download and enable new software, judge whether be connected with the baseband control unit link, be commencement of commercial operation software, be commencement of commercial operation software in the scheduled time otherwise reactivate original software if new software then is set.
Above-mentioned upgrade method wherein, also comprises:
It is notice baseband control unit software upgrade success behind the commencement of commercial operation software that step D, remote radio unit (RRU) are provided with new software;
Step e, baseband control unit report the unsuccessful remote radio unit (RRU) of upgrading.
Method of the present invention is according to by the position of administration module in described chain structure, opsition dependent from after forward order upgrade successively by administration module, cascade can be guaranteed that by the interference of the module of front in the administration module to the back module cascade is by the smooth upgrading of each module in the administration module when having eliminated upgrading like this.
Description of drawings
Fig. 1 is the RRU of chain structure and the network paradigm of BBU networking;
Fig. 2 is the RRU of tree and the network paradigm of BBU networking;
Fig. 3 is the RRU of ring type structure and the network paradigm of BBU networking;
Fig. 4 is the schematic flow sheet of first embodiment of upgrade method of the present invention.
Embodiment
Wireless communication system cascade mode of the present invention connect by the upgrade method of administration module at following framework: what cascade system connected is connected with administration module by administration module, need be carried out alternately with administration module by the upgrading of administration module, this method comprises the steps:
Administration module obtains by the position of administration module in the chain structure that itself and administration module are formed;
According to by administration module in residing position in chain structure, by from after forward order upgrade successively be in the chain structure by administration module.
Because method of the present invention can be applied to the various component units under the various wireless communication systems such as WCDMA, TD-SCDMA, CDMA, GSM, therefore below only with in the WCDMA system, by administration module is RRU, and administration module is that this situation of BBU is that example describes.
Before the present invention is specifically described, earlier some notions that the present invention relates to are described, so that better understand the present invention.
Cascaded RRUs, the one group of RRU that connects in end to end mode;
RRU progression, sign is connected to the position of cascaded RRUs in chain structure under the same light mouth of BBU, and it can utilize multiple mode to realize, as:
Utilize between this RRU and the BBU, represent that towards the number of BBU direction RRU at interval this number is many more, progression is big more, is in the position after leaning in chain structure more;
As for topological structure shown in Figure 1, from left to right, the progression of RRU is followed successively by 0,1,2 ...; For topological structure shown in Figure 2, from left to right, first row's the progression of RRU is followed successively by 0,1,2 ..., the progression that is in following RRU is followed successively by 1,2 ...; For topological structure shown in Figure 3, after first row being set and RRU that BBU directly links to each other being main RRU, press clockwise, the progression of RRU is followed successively by 0,1,2 ....
Certainly, can also adopt other mode to obtain the RRU progression that this sign is connected to the position of cascaded RRUs in chain structure under the same light mouth of BBU, determine RRU progression as the order that the link of forming according to the RRU that is connected under the same light mouth of BBU draws near.
According to its position in chain structure, by the RRU that upgrades successively from back to front, the RRU that is in the end of chain like this obtains upgrading to method of the present invention at first with cascaded RRUs, even the unsuccessful position that also can not influence in the chain structure of upgrading is in the upgrading of the RRU of its front.
By administration module is RRU, and administration module is under the situation of BBU, and method of the present invention comprises:
RRU progression obtains and preserves step, and BBU determines its RRU progression and preservation according to the position of cascaded RRUs in chain structure that is connected under the same light mouth of BBU;
The RRU upgrade step according to RRU progression, is pressed RRU residing position in chain structure, from after forward successively upgrading be in RRU the chain structure.
This RRU progression is stored in the formation of RRU topology in the present invention.
This RRU topology formation is stored among the BBU, comprises sign and the RRU progression thereof of each RRU in the cascaded RRUs that is connected under the same light mouth of BBU at least.
Sheng Ji operation can realize (big more with RRU progression, the position that is in more after leaning on is the example explanation) by following mode in chain structure successively:
1, the RRU in the formation of RRU topology press RRU progression and arranges in regular turn from big to small, and when upgrading, upgrading successively according to the order in the topological formation gets final product;
2, the RRU random alignment in the formation of RRU topology when upgrading, selects the RRU of RRU progression maximum to upgrade among the RRU that BBU never upgrades.
＜the first embodiment 〉
The first embodiment of the present invention is with network configuration shown in Figure 1, and RRU progression is big more, and this situation in position that is in more in chain structure after leaning on describes.
The method of first embodiment of the invention comprises the steps: as shown in Figure 4
Step 41, BBU generates and preserves RRU topology formation according to RRU on the chain from BBU principle from back to front according to the position of RRU in the Chain Network in chain structure, and the content of topological formation comprises RRU sign and RRU progression;
Step 42, BBU never carries out selecting among the upgrading processing RRU of (at this, this upgrading processing does not relate to whether success of upgrading) RRU of RRU progression maximum according to topological formation, and sends the software upgrading request to the RRU of this selection;
Step 43 after RRU receives the software upgrading request, from the BBU download new software, is downloaded the back that finishes and is returned software upgrading request response to BBU;
Step 44, BBU judges whether not carry out in addition the RRU of upgrading processing according to topological formation, if having, returns step 42, otherwise enters step 45;
Step 45, BBU enables new software.
Relate in the above-mentioned step and whether carried out upgrading processing, it can utilize following mode to realize:
Upgrading processing is set indicates the position, be set to 0 when initial,, be about to this RRU and deserved upgrading processing is indicated the position be revised as 1 in case carry out upgrading processing;
During according to the progression sequence arrangement, directly utilize pointer to realize get final product at RRU, when initial, first RRU of pointed in case carried out upgrading processing, moves on to next unit behind the pointer, at last dummy cell of pointed.
Above-mentioned step is the explanation of carrying out with structure shown in Figure 1, but the structure that also can be used for other, loop configuration as shown in Figure 3, at loop configuration, only need from cascaded RRUs, directly be connected among the RRU with BBU selection one of them as main RRU after, determine that according to this RRU a direction can determine corresponding RRU progression then, as for topological structure shown in Figure 3, after first row being set and RRU that BBU directly links to each other being main RRU, by clockwise, the progression of RRU can be set gradually is 0,1,2, ..., certainly, for the another one port, be that counterclockwise sets gradually be 0,1,2, ....
After so being provided with, follow-up step also is in regular turn the RRU in the chain structure to be upgraded according to RRU progression, does not repeat them here.
The method of first embodiment of the invention also comprises:
Steps A 1, RRU enables new software after the BBU download new software;
Steps A 2, RRU judges whether be connected with the BBU link, if connect, it is commencement of commercial operation software that new software then is set, and reports software upgrade success message to give BBU, otherwise a link setup timer is set;
Steps A 3, before the link setup timer expiry, RRU finds and the success of BBU link setup that it is commencement of commercial operation software that new software then is set, and reports software upgrade success message to give BBU, is commencement of commercial operation software otherwise RRU reactivates original software.
At this, because waiting for after RRU every other on this chain structure downloads software, could carry out the link setup action need, therefore, the timing of this link setup timer must be carried out the needed time of download and upgrade more than or equal to every other RRU.
Simultaneously BBU is after receiving the software upgrade success message that RRU reports, and the upgrade status that corresponding RRU is set be successful step, and this upgrade status can be arranged in the topological formation, all is set to fail initially the time.
Simultaneously, the present invention also can comprise between step 41 and 42:
One is provided with the step of upgrading timer, by BBU one upgrading timer is set, and its timer length is N * T+T1, and wherein N is the number of RRU in the cascaded RRUs, and T is the time-out time of a RRU updating software release, and T1 is the time that BBU enables new software; Certainly, at this, this timer also can add certain surplus.
One updating result reports step, the upgrading timer then after, BBU notifies and safeguards webmaster according to will upgrade unsuccessful RRU of RRU upgrade status.
＜the second embodiment 〉
The second embodiment of the present invention is with network configuration shown in Figure 2, and RRU progression is big more, and this situation in position that is in more in chain structure after leaning on describes.
The topological structure of second embodiment of the present invention cascade RRU is the tree type, therefore the difference among its processing and first embodiment is, need BBU according to back root traverse tree principle, travel through earlier each subtree successively, visit the mode of root node then and obtain and preserve the formation of RRU topology, its detailed process comprises the steps:
Step 51, BBU travels through earlier each subtree successively according to back root traverse tree principle, and then the visit root node, generates and preserve the formation of RRU topology;
Step 52, BBU never carries out selecting among the upgrading processing RRU of (at this, this upgrading processing does not relate to whether success of upgrading) RRU of RRU progression maximum according to topological formation, and sends the software upgrading request to the RRU of this selection;
Step 53 after RRU receives the software upgrading request, from the BBU download new software, is downloaded the back that finishes and is returned software upgrading request response to BBU;
Step 54, BBU judges whether not carry out in addition the RRU of upgrading processing according to topological formation, if having, returns step 52, otherwise enters step 55;
Step 55, BBU enables new software.
When the topological structure of cascaded RRUs is the tree type, certainly exist the identical RRU of RRU progression, at this, in step 52, when if the RRU in the topological formation arranges by traversal order and RRU progression, select successively to get final product, when out of order arrangement, select the upgrading of going ahead of the rest to get final product among the RRU that RRU progression is high and the most identical from the RRU that does not also carry out upgrading processing arbitrarily.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (4)

  1. A wireless communication system cascade mode connect by the upgrade method of administration module, what described cascade system connected is connected to form chain structure by administration module and administration module, and by upgrading alternately with administration module, it is characterized in that, described administration module is a baseband control unit, described is remote radio unit (RRU) by administration module, and this method comprises:
    Steps A, administration module are obtained by the position of administration module in described chain structure;
    Step B1, baseband control unit sends the software upgrading request to the remote radio unit (RRU) of the remote radio unit (RRU) cascade ordinal number maximum of not carrying out upgrading processing;
    After step B2, remote radio unit (RRU) receive the software upgrading request,, download the back that finishes and return software upgrading request response to baseband control unit from the baseband control unit download new software;
    Step B3, baseband control unit judges whether not carry out in addition the remote radio unit (RRU) of upgrading processing, if return step B1, otherwise enter step B4;
    Step B4, baseband control unit is enabled new software.
  2. 2. upgrade method according to claim 1 is characterized in that, the position of described remote radio unit (RRU) in chain structure represented with remote radio unit (RRU) cascade ordinal number.
  3. 3. upgrade method according to claim 2 is characterized in that, also comprises:
    After step C, remote radio unit (RRU) download and enable new software, judge whether be connected with the baseband control unit link, be commencement of commercial operation software, be commencement of commercial operation software in the scheduled time otherwise reactivate original software if new software then is set.
  4. 4. upgrade method according to claim 3 is characterized in that, also comprises:
    It is notice baseband control unit software upgrade success behind the commencement of commercial operation software that step D, remote radio unit (RRU) are provided with new software;
    Step e, baseband control unit report the unsuccessful remote radio unit (RRU) of upgrading.
CNB2007100986398A 2007-04-23 2007-04-23 Wireless communication system cascade mode connect by the upgrade method of administration module Expired - Fee Related CN100562159C (en)

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Publication number Priority date Publication date Assignee Title
CN101527976B (en) * 2008-03-04 2011-12-07 中兴通讯股份有限公司 Method and system for remote software upgrading
CN102281554B (en) * 2010-06-11 2014-01-01 大唐移动通信设备有限公司 Method and device for controlling remote upgrade of RRU (Remote Radio Unit)
CN102843707B (en) * 2011-06-24 2016-08-03 鼎桥通信技术有限公司 The communication means of BBU Yu RRU and base station
CN103327038B (en) * 2012-03-20 2016-06-22 中兴通讯股份有限公司 The method of the batch upgrade network equipment and device
CN104768182B (en) * 2015-03-23 2018-05-04 大唐移动通信设备有限公司 Bimodulus RRU upgrade methods and device
CN105159745A (en) * 2015-08-21 2015-12-16 北京星网锐捷网络技术有限公司 Method, apparatus and device for upgrading virtual switch frame VSF system
CN108738035B (en) * 2017-04-13 2021-07-20 深圳市中兴微电子技术有限公司 Data processing method and device of multi-system baseband chip and processing equipment
CN107733522B (en) * 2017-10-19 2020-12-15 北京全路通信信号研究设计院集团有限公司 LTE-R annular network system
CN109840102B (en) * 2017-11-27 2020-10-09 大唐移动通信设备有限公司 Rhub software upgrading processing method and device
CN112486537A (en) * 2020-12-04 2021-03-12 京信通信系统（中国）有限公司 Upgrading processing method and system of forward transmission system

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