CN1459987A - Method of realizing base station maintenance in mobile communication system - Google Patents
Method of realizing base station maintenance in mobile communication system Download PDFInfo
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- CN1459987A CN1459987A CN 02117490 CN02117490A CN1459987A CN 1459987 A CN1459987 A CN 1459987A CN 02117490 CN02117490 CN 02117490 CN 02117490 A CN02117490 A CN 02117490A CN 1459987 A CN1459987 A CN 1459987A
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Abstract
A method for realizing base station maintenance in mobile communication system features that a voice traffic processing maintenance module is arranged in the controller and interface module of base station in advance and during the maintenance of base station, the voice traffic information of public service telephones is processed by said voice traffic information maintenance module and then transmitted via proper physical link. The said voice-traffic processing maintenance module consists of coder-decoder/ringing stream unit, time slots crossing unit and the circuit simulation unit optimal for optical fibre.
Description
Technical field
The present invention relates to the maintenance technology of base station in the mobile communication system, refer to a kind of method that adopts fixed link to realize base station maintenance in the mobile communication system especially.
Background of invention
In mobile communication system, base station equipment breaks down sometimes, needs to be serviced.Usually, need be between base station controller (BSC) and base station (BTS) to the maintenance of base station equipment, or communicate between two BTS under the same BSC, and then search failure cause.At present, during base station maintenance equipment, and the method that communicates between BSC or other BTS mainly contains two kinds:
1) attendant of base station equipment can communicate by using the current mobile communications network mobile radio communication and the external world in addition, but the problem of this kind scheme is: if place, current base station place does not have the covering of other mobile communications network, then this kind scheme can't be used.
2) attendant receives computer on the base station equipment, network tools such as employing NetMeeting communicate by (IPOA) passage of the Internet protocol on the asynchronous transfer mode between BTS and the BSC and BSC side, but the constraints of this kind scheme is more, mainly be: must carry portable machine and microphone during base station maintenance equipment, because the base station equipment machine room of remote districts does not generally have special-purpose maintenance terminal, and, the attendant need know the IP address of BSC place equipment, if do not know then can't communicate by letter.This scheme also has an important problem: because the communication of IPOA passage needs the support of base station groundwork module, cause paralysis if catastrophe failure appears in the base station, the IPOA passage can't use, and so, this programme also just can't have been implemented.
Summary of the invention
In view of this, main purpose of the present invention is to provide the implementation method of base station maintenance in a kind of mobile communication system, communicating by letter when making it directly utilize physical link fixing between BSC and BTS to safeguard, thereby improve stability, the reliability and efficient of base station maintenance, and simple to operation, maintenance cost is low.
For achieving the above object, technical scheme of the present invention is achieved in that
The implementation method of base station maintenance in a kind of mobile communication system, this method may further comprise the steps:
A., traffic is set respectively in the interface module of base station controller and base station in advance handles maintenance module;
B. in the base station maintenance process, after the traffic information of official telephone handled maintenance module and handle via traffic, transmit by intrinsic physical link.
The traffic information of described official telephone is transmitted by the 16th time slot of specifying the E1 link, or is transmitted by the 64Kbps link that the circuit simulation mode provides.
Therefore, this method can further comprise:
A1. set in advance described traffic processing maintenance module and comprise encoding and decoding/ringing-current unit and time slot cross unit at least, and transmit the E1 link of traffic information between specific base controller and the base station;
B1. adopt encoding and decoding/ringing-current unit to encode outgoing traffic information, form the pulse-code modulation information flow, cross-connect to the link of appointment by the time slot cross unit after, by specifying the 16th slot transmission of E1 link;
C1. receiving end with the traffic information that receives by the interconnection of time slot cross unit, encoding and decoding/ringing-current unit decodes after, set up link.
This method also can further comprise:
A2. set in advance described traffic processing maintenance module and comprise encoding and decoding/ringing-current unit, time slot cross unit and Circuit Emulation Unit at least, and provide a 64Kbps link by Circuit Emulation Unit emulation;
B2. adopt encoding and decoding/ringing-current unit to encode outgoing traffic information, form the pulse-code modulation information flow, cross-connect to given link by the time slot cross unit, after Circuit Emulation Unit is converted to first kind ATM Adaptation Layer cell (AAL1), the 64Kbps link transmission that provides by emulation;
C2. receiving end is converted to the pulse-code modulation information flow with the first kind ATM Adaptation Layer cell that receives by Circuit Emulation Unit, pass through the interconnection of time slot cross unit, encoding and decoding/ringing-current unit decodes again after, set up link.
In above-mentioned signals transmission, this method further comprises: the receiving end interface module is judged the off-hook of whether making a start by the variation that detects transmission signals on the given link time slot, when transmission signals when complete " 0 " becomes non-complete " 0 ", interface module is given the official telephone ringing-signal feeding of local terminal.
By such scheme as can be seen, key of the present invention is: adopt fixing physical link to finish base station maintenance, to guarantee the reliability and the validity of base station maintenance.
Therefore, the implementation method of base station maintenance in the mobile communication system provided by the present invention has following superior part:
1), makes and safeguards more conveniently that the reliability of maintenance, stability and efficient are higher owing to utilize that the intrinsic physical link of Iub interface carries out communicating by letter of official telephone between BSC and the BTS.
2) realization of the present invention only need increase several simple functional units, can utilize existing hardware environment to realize the communication of official telephone, and then finish the maintenance of base station, and is simple and convenient, is easy to realize, with low cost.
3) between base station controller and base station, or when realizing the communication of official telephone between following two base stations of same base station controller, do not consider command transmitting, the signal that interface module only detects assigned timeslot changes, thereby simplified the process of call setup, reduced the difficulty that realizes.
4) functional unit that increases newly can be distinguished or support simultaneously and transmit with the physical link of E1 mode or optical fiber mode, and implementation is more flexible.
Description of drawings
Fig. 1 realizes the schematic diagram of official telephone scheme for utilizing intrinsic link under the E1 mode;
Fig. 2 realizes the schematic diagram of official telephone scheme for utilizing intrinsic link under the optical fiber mode;
Fig. 3 realizes the schematic diagram of official telephone scheme for utilizing intrinsic link under the hybrid mode.
Embodiment
The present invention relates to utilize in the mobile communication system that intrinsic physical link carries out the function that base station maintenance is communicated by letter between base station and the base station controller, that is to say, the present invention utilizes official telephone to finish the maintenance of base station, and the communication between the official telephone adopts intrinsic physical link to realize.So-called official telephone is meant to be safeguarded or the used telephone of conversation when testing base station equipment.According to third generation radio communication (3GPP, The 3rd Generation Partnership Project and 3GPP2, Third GenerationPartnership Project 2) agreement, adopt the ATM(Asynchronous Transfer Mode) mode to transmit between BSC and BTS, physical link may be E1 mode or optical fiber mode.Because when adopting the E1 transmission, G.804 standard is followed in the mapping of ATM cell on E1, the 16th time slot of the E1 link breath of not delivering a letter, that is: and the 16th time slot is idle time slot, therefore, the present invention considers to utilize the 16th time slot of certain bar E1 link to transmit speech information under the E1 transmission manner; And when adopting the optical transmission mode, owing to there is not idle time slot to utilize, the present invention considers to provide a speech channel with a time slot equivalence to finish communicating by letter of official telephone with the mode of circuit simulation between BTS and BSC.
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments, in the following embodiments, encoding and decoding/ringing-current unit, time slot cross unit and Circuit Emulation Unit can directly be born by integrated circuit (IC) chip, such as: encoding and decoding/ringing-current unit can adopt TP3067; The time slot cross unit can adopt 8980 of Mitel; Circuit Emulation Unit can adopt the PXB4220 of Siemens.Embodiment one: adopt the E1 transmission between BSC, BTS.
Referring to shown in Figure 1, when all adopting the E1 link to transmit between all BSC and the BTS, on the interface module 13 of the interface module 10 of BSC and each BTS, all increase a traffic and handle maintenance module, this module comprises encoding and decoding/ringing-current unit 101 and a time slot cross unit 102 at least, encoding and decoding/ringing-current unit 101 can produce on the one hand and send ringing signal to our telephone set, can carry out the Code And Decode of pulse-code modulation (PCM) signal on the other hand; 102 of time slot cross units are used for this telephone link is cross-connected on the time slot of E1 appointment.Link to each other by pcm bus between encoding and decoding/ringing-current unit 101 and the time slot cross unit 102, time slot cross unit 102 is connected with original E1 interface unit 103 on the interface module separately by pcm bus simultaneously, and signal transmits on pcm bus with the form of serial code stream.Be provided with the RJ11 interface of a standard in encoding and decoding/ringing-current unit 101, can directly insert an ordinary telephone set.
Set in advance the transmission channel of the 16th time slot of an E1 link between BSC and the BTS as official telephone, simple for realizing, between BSC and the BTS or communicating by letter between following two BTS of same BSC all do not consider to realize signaling, the interface module of BTS and BSC only detects the variation of specifying the 16th slot transmission signal among the E1: when off-hook not, this time slot send complete 0 signal, if the other side's off-hook, then the signal that this time slot transmitted can change, and promptly this slot transmission signal is to represent the other side's off-hook at non-complete 0 o'clock.
Behind the official telephone off-hook of BSC side, BSC interface module 10 is with the coding of off hook signal through encoding and decoding/ringing-current unit 101, exchange on the 16th time slot of specifying E1 by time slot cross unit 102 and to transmit, this off hook signal arrives the BTS rear flank via the E1 link transmission, the interface module 13 of BTS side is found the other side's off-hook with the signal of receiving through the decoding back, the then encoding and decoding of BTS side/ringing-current unit 101 can send ringing signal to our telephone set, behind we's telephone set off-hook, promptly begin conversation between two telephone sets.
When realizing that official telephone is communicated by letter between BTS1 and the BTS2, behind the official telephone off-hook of BTS2 side, off hook signal is through coding, interconnection, deliver to the E1 interface unit 104A of BSC by the E1 link, the interface module 10 of BSC is cross connected to the signal of E1 interface unit 104A on the transmission link of BTS1 correspondence through time slot cross unit 102, this signal is by E1 interface unit 104B and the E1 link transmission E1 interface unit 103 to BTS1 interface module 13, after the interface module 13 of BTS1 detects the other side's off hook signal, send ring for the official telephone of BTS1 side by the encoding and decoding in this interface module/ringing-current unit 101, the official telephone off-hook of BTS1 begins conversation between two phones.
Because the E1 of BTS side specifies and can predict, then the intersection of the time slot in the BTS side interface module can be fixedly connected good after determining E1, realizes simpler.Embodiment two: adopt Optical Fiber Transmission between BSC, BTS.
When all adopting optical fiber to transmit between all BSC and the BTS, as shown in Figure 2, on the interface module 12 of the interface module 10 of BSC and each BTS, all increase a traffic and handle maintenance module, this module is except that all increasing on the interface module 12 of the interface module 10 of BSC and each BTS encoding and decoding/ringing-current unit 101 and the time slot cross unit 102, also needing increases a Circuit Emulation Unit 203 on BSC and BTS interface module separately, this Circuit Emulation Unit 203 is used to realize that the PCM data flow to the conversion of first kind ATM Adaptation Layer (AAL1) cell.Circuit Emulation Unit 203 1 sides link to each other with time slot cross unit 102 by pcm bus, one side links to each other by original light mouth 204,205A, 205B on universal test and operating physical interface (UTOPIA) and the interface module 10,12, provides the 64Kbps link of an emulation to carry out the signal transmission by the optical fiber between BSC and the BTS.
Identical with embodiment one, between BSC and the BTS or communicating by letter between following two BTS of same BSC all do not consider to realize signaling, the variation of transmission signals in the interface module of BTS and the BSC detection fiber given link: signal is not complete 0 during off-hook, and signal is to represent off-hook at non-complete 0 o'clock.
The communication process and the embodiment one of official telephone is basic identical between BSC and the BTS or between following two BTS of same BSC, just owing to communicate by letter between BSC and the BTS by light mouth 204,205A, 205B, need to increase by one the PCM signal is converted to the ATM signal by Circuit Emulation Unit 203, or the ATM signal is converted to the step of PCM signal by Circuit Emulation Unit 203.Embodiment three: adopt E1 and fiber mix transmission between BSC, BTS.
When adopting E1 and two kinds of transmission meanss of optical fiber between BSC and the BTS, as shown in Figure 3, in the interface module 10 of BSC, increase a traffic and handle maintenance module, because the interface module 10 of BSC is passed through Optical Fiber Transmission with BTS1 interface module 12, the interface module 10 that therefore BSC is set comprises encoding and decoding/ringing-current unit 101, time slot cross unit 102 and 203 3 unit of Circuit Emulation Unit; Similarly, in the interface module 12 of the BTS1 that adopts optical fiber to be connected, increase a traffic and handle maintenance module, this module is set comprises encoding and decoding/ringing-current unit 101, time slot cross unit 102 and 203 3 unit of Circuit Emulation Unit with BSC.In the interface module 13 of the BTS2 that adopts E1 to be connected, increase a traffic and handle maintenance module, this module is set comprises encoding and decoding/ringing- current unit 101 and 102 two unit of time slot cross unit with BSC; Annexation between each unit and connected mode and embodiment one and embodiment two are identical.
When realizing that official telephone is communicated by letter between BSC and the BTS, if adopt the E1 transmission between BSC and the BTS, when promptly BSC communicated by letter with BTS2, then its official telephone communication process was identical with embodiment one; If adopt Optical Fiber Transmission between BSC and the BTS, when promptly BSC communicated by letter with BTS1, then its official telephone communication process was identical with embodiment two.
Between two BTS under the same BSC, be BTS1 with BTS2 between when realizing that official telephone is communicated by letter, behind the official telephone off-hook of BTS2 side, off hook signal is through coding, interconnection, deliver to the E1 interface unit 301 of BSC by the E1 link, the interface module 10 of BSC is cross connected to the signal of E1 interface unit 301 on the transmission link of BTS1 correspondence through time slot cross unit 102, this signal is through the conversion of Circuit Emulation Unit 203, deliver to the light mouth 302 of BSC interface module 10, be transmitted through the fiber to the light mouth of BTS1 interface module 12 again, after the interface module 12 of BTS1 detects the other side's off hook signal, send ring for the official telephone of BTS1 side by the encoding and decoding in this interface module/ringing-current unit 101, the official telephone off-hook of BTS1 begins conversation between two phones.
By above embodiment as can be seen, no matter be connected in which way between BSC and the BTS, can both realize official telephone communication by fixing physical link.
Claims (6)
1, the implementation method of base station maintenance in a kind of mobile communication system is characterized in that this method may further comprise the steps:
A., traffic is set respectively in the interface module of base station controller and base station in advance handles maintenance module;
B. in the base station maintenance process, after the traffic information of official telephone handled maintenance module and handle via traffic, transmit by intrinsic physical link.
2, implementation method according to claim 1 is characterized in that: the traffic information of described official telephone is transmitted by the 16th time slot of specifying the E1 link.
3, implementation method according to claim 1 is characterized in that: the traffic information of described official telephone is transmitted by the 64Kbps link that the circuit simulation mode provides.
4, implementation method according to claim 1 and 2 is characterized in that this method further comprises:
A1. set in advance described traffic processing maintenance module and comprise encoding and decoding/ringing-current unit and time slot cross unit at least, and transmit the E1 link of traffic information between specific base controller and the base station;
B1. adopt encoding and decoding/ringing-current unit to encode outgoing traffic information, form the pulse-code modulation information flow, cross-connect to the link of appointment by the time slot cross unit after, by specifying the 16th slot transmission of E1 link;
C1. receiving end with the traffic information that receives by the interconnection of time slot cross unit, encoding and decoding/ringing-current unit decodes after, set up link.
5,, it is characterized in that this method further comprises according to claim 1 or 3 described implementation methods:
A2. set in advance described traffic processing maintenance module and comprise encoding and decoding/ringing-current unit, time slot cross unit and Circuit Emulation Unit at least, and provide a 64Kbps link by Circuit Emulation Unit emulation;
B2. adopt encoding and decoding/ringing-current unit to encode outgoing traffic information, form the pulse-code modulation information flow, cross-connect to given link by the time slot cross unit, after Circuit Emulation Unit is converted to first kind ATM Adaptation Layer cell (AAL1), the 64Kbps link transmission that provides by emulation;
C2. receiving end is converted to the pulse-code modulation information flow with the first kind ATM Adaptation Layer cell that receives by Circuit Emulation Unit, pass through the interconnection of time slot cross unit, encoding and decoding/ringing-current unit decodes again after, set up link.
6, implementation method according to claim 1, it is characterized in that this method further comprises: the receiving end interface module is judged the off-hook of whether making a start by the variation that detects transmission signals on the given link time slot, when transmission signals when complete " 0 " becomes non-complete " 0 ", interface module is given the official telephone ringing-signal feeding of local terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117490 CN1208981C (en) | 2002-05-20 | 2002-05-20 | Method of realizing base station maintenance in mobile communication system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117490 CN1208981C (en) | 2002-05-20 | 2002-05-20 | Method of realizing base station maintenance in mobile communication system |
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| Publication Number | Publication Date |
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| CN1459987A true CN1459987A (en) | 2003-12-03 |
| CN1208981C CN1208981C (en) | 2005-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02117490 Expired - Fee Related CN1208981C (en) | 2002-05-20 | 2002-05-20 | Method of realizing base station maintenance in mobile communication system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100341373C (en) * | 2004-01-13 | 2007-10-03 | 华为技术有限公司 | Maintenance method for base-station system |
| CN100366021C (en) * | 2004-10-22 | 2008-01-30 | 华为技术有限公司 | System and method for optical transmission subnetwork communicating with external subnetwork using official telephone |
| WO2008055443A1 (en) * | 2006-11-08 | 2008-05-15 | Huawei Technologies Co., Ltd. | Method and system for transmission of 2g service through 3g network |
| CN1845629B (en) * | 2005-06-20 | 2010-04-14 | 华为技术有限公司 | Method for remote maintaining 3G base station |
| CN101389110B (en) * | 2008-08-07 | 2011-10-26 | 中兴通讯股份有限公司 | Apparatus and method for implementing official call by master control board |
-
2002
- 2002-05-20 CN CN 02117490 patent/CN1208981C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100341373C (en) * | 2004-01-13 | 2007-10-03 | 华为技术有限公司 | Maintenance method for base-station system |
| CN100366021C (en) * | 2004-10-22 | 2008-01-30 | 华为技术有限公司 | System and method for optical transmission subnetwork communicating with external subnetwork using official telephone |
| CN1845629B (en) * | 2005-06-20 | 2010-04-14 | 华为技术有限公司 | Method for remote maintaining 3G base station |
| WO2008055443A1 (en) * | 2006-11-08 | 2008-05-15 | Huawei Technologies Co., Ltd. | Method and system for transmission of 2g service through 3g network |
| CN101389110B (en) * | 2008-08-07 | 2011-10-26 | 中兴通讯股份有限公司 | Apparatus and method for implementing official call by master control board |
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| Publication number | Publication date |
|---|---|
| CN1208981C (en) | 2005-06-29 |
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