CN1444410A - Monitoring method of A interface circuit in wireless communication system - Google Patents
Monitoring method of A interface circuit in wireless communication system Download PDFInfo
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- CN1444410A CN1444410A CN 02111032 CN02111032A CN1444410A CN 1444410 A CN1444410 A CN 1444410A CN 02111032 CN02111032 CN 02111032 CN 02111032 A CN02111032 A CN 02111032A CN 1444410 A CN1444410 A CN 1444410A
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- interface circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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Abstract
This invention provides a monitor method for inference circuit A of inserted TARU unit in radio communication system which can identify timely the exception resulting in interface A not working, and identify timely the abort of up group circuit transmission between BSC exchange unit and TARU resulted from various software and hardware to switch interface A based on it to avoid it idle to increase the busy connection rate and increase of the service quality and maintenance BBS network to ensure the service quality of radio communication network.
Description
Technical field
The present invention relates to the interface circuit monitoring method of wireless communication system, relate in particular to the monitoring method of the A interface circuit between base station sub-system in the gsm communication system (BSS) and the network subsystem (NSS).
Background technology
A complete GSM home network system comprises BSS and NSS two large divisions, BSS is made up of base station system (BTS), base station controller (BSC) and code conversion and Rate Adapter Unit (TRAU), and NSS then is made up of mobile switching centre (MSC), VLR Visitor Location Register (VLR) and attaching position register parts such as (HLR).Interface between BSS and the NSS is the A interface, and the A interface must be supported for open standard interface, BSS product and NSS product that each device fabrication manufacturer produces, and the BSS product of different production firms and NSS product are interconnected, and forms the GSM network of one.
In the actual networking of GSM, single BSS or a plurality of BSS system can be used as a local network and use, and be subordinated to locally to move the operation entity, and its corresponding NSS network can be that the operation entity is moved in certain strange land.For the A interface circuit between BSS and the NSS, BSS as it from prosecutor, NSS is as its master control side, when NSS places abnormality (as: circuit step-out attitude because of certain reason with A interface section circuit, unusual busy attitude etc.), even if these A interface circuits of BSS side correspondence are in normal condition, also will cause these circuit unavailable for a long time, the BSS system can not discern these unusual A interface circuits, thereby make expensive circuit resource idle, can cause network congestion when serious, a large amount of non-answered calls greatly influence the service quality of network, cause very big economy and credibility loss to BSS operation side; And produce the NSS operator of root as this type of problem, because its interests do not suffer damage, therefore often can not be concerned about initiatively that this type of is unusual.This type of problem repeatedly takes place on the net at GSM, and existing equipment does not have appropriate treating method.
In the GSM of reality product, the TRAU unit has two kinds of implementations basically, and a kind of is the resource pool mode, and a kind of is embedded mode: no matter the TRAU unit is realized in which way, and the TRAU unit logically belongs to BSC, and its Operation and Maintenance is undertaken by BSC.For the TRAU unit of realizing with embedded mode, the TRAU unit is present on the A interface circuit between MSC and the BSC, has the TRAU unit of a correspondence on each A interface business circuit.In order to save transmission, TRAU unit physical equipment is as far as possible near the MSC side, will be between TRAU unit and the BSC through transmission, multiplexing and demultiplexing equipment, physical connection is comparatively complicated, be easy to generate transmission problem, cause miscellaneous service to carry out, as: single-pass, no audio and data service calls can't carry out etc., influence network service quality.
At present, for above-mentioned two class problems, the BSS system all lacks effective monitoring means at present.For the second class problem, can only rely on user on the network's complaint to pinpoint the problems; After this type of problem was found in customer complaint, the attendant carried out manual testing location, inefficiency again; And for first kind problem, if the untimely active detecting A interface circuit of NSS side state, unless unusual when serious, cause the network congestion accident, can learn by customer complaint BSS operation; Otherwise, have only the part A interface circuit unavailable, can cause the waste of A access circuit resource, reduce the busy hour call call completing rate, BSS system maintenance personnel can't find this class problem.
Summary of the invention
The invention provides A interface circuit monitoring means in a kind of wireless communication system of practicality, can in time discern and cause the disabled various unusual conditions of A interface circuit, and in view of the above the circuit of corresponding A interface is safeguarded, wasted by idle to avoid valuable A interface circuit, make call completing rate lifting when doing, improve the service quality of BSS network; Simultaneously, the present invention also can in time discern for because various BSC crosspoint to the transmission of the up land circuit between the TRAU unit soft, that hardware reason causes is interrupted.
Method provided by the invention comprises the steps:
A, a TRAU unit is set in each TRAU unit continues non-activated state timer, the BSC Operation and Maintenance Unit is provided with a thresholding in timer, and the overtime thresholding of timer is configured by the BSC Operation and Maintenance Unit, can be set to 24 hours; The TRAU unit of TRAU unit for realizing in embedded mode.
B, each TRAU unit by being with interior activation, begin to carry out normal business when receiving the traffic frame information that the BTS side sends over, promptly basic user oriented business (as the voice-and-data business);
C, realize remaining non-time status in the normal business procedure in the TRAU unit;
D, when the traffic frame information that the BTS side sends over is not received in the TRAU unit in a period of time, the TRAU unit is changed to non-service condition;
Picked up counting by non-time status when e, timer are changed to non-service condition in the TRAU unit, the TRAU unit is during being in non-service condition, and the continuous timing of timer keeps time status;
F, when the clocking value of timer equals its overtime thresholding, the TRAU unit reports time exceeded message by the up maintenance channel of TRAU to the BSC control unit, show the unusual generation that time of existing this timer expiry threshold setting in corresponding TRAU unit is not received BTS uplink service information, the BSC control unit is transmitted to the BSC Operation and Maintenance Unit by the up maintenance channel of BSC control unit with time exceeded message more then, and BSS attendant locatees in-problem A interface circuit according to time exceeded message.Carry the various parameters and the information of sign corresponding TRAU unit or corresponding A interface circuit in the time exceeded message that the TRAU unit reports.With these parameters and information as a supplement information together be transmitted to the BSC Operation and Maintenance Unit.In a word, the time exceeded message that is transmitted to the BSC Operation and Maintenance Unit contains the information parameter of sign as much as possible corresponding TRAU unit or corresponding A interface circuit.
Method of the present invention further comprises following technical characterictic: in whole gsm system, the A interface circuit between BSS and the NSS is with the selected use of certain cycle period.
The overtime threshold value of timer is repeated maximum time of selecting at interval greater than the A interface circuit of correspondence in cycle period.Simultaneously can not be excessive, otherwise, discovery that can delay issue connected when going wrong at A interface circuit or related physical.Determining false-alarm, complexity not to occur of concrete overtime thresholding is high and in time to discern foregoing problems be principle.
When the threshold setting of configuration timer, the BSC Operation and Maintenance Unit sends to the BSC control unit by the descending maintenance channel of BSC control unit with the configuration information of timer, and the BSC control unit is transmitted to configuration information by the descending maintenance channel of each TRAU the TRAU unit of each A interface circuit correspondence again.
In the timing course of timer, if BSC identifies A interface circuit trunking fault or when the A interface circuit carried out inaccessible attended operation or receive the message of the inaccessible A interface circuit of MSC, putting relevant A interface circuit state is busy attitude, and the BSC control unit is assigned the order that stops timing by the descending maintenance channel of TRAU of the TRAU unit of relevant portion A interface circuit correspondence to timer simultaneously.Make the timer of this part TRAU unit be in non-time status all the time, in order to avoid this part TRAU unit produces false-alarm message.
When timer is in non-time status, if BSC identifies that A interface circuit trunking recovers or the A interface circuit separated to close attended operation or receive that MSC separates close or during the message of the A interface circuit that resets, putting relevant A interface circuit state is Idle state, and the BSC control unit is assigned the order that picks up counting by the descending maintenance channel of TRAU of the TRAU unit of relevant portion A interface circuit correspondence to timer simultaneously.This part timer is picked up counting from cleared condition.
When the BSC control unit is not received the message of BTS uplink service information in the time of timer threshold setting, the BSC control unit sends reset message to A interface circuit that should the TRAU unit to the MSC side, and the state that makes the BSC of A interface circuit both sides and MSC puts and gets back to Idle state, to recover these in-problem A interface circuits.Avoid because this A interface circuit that the MSC side causes unusually is unavailable when long, in order to avoid relevant A access circuit resource waste.
If the BSC control unit is if still can not receive the uplink service information that BTS sends over after surpassing the threshold setting time of timer, then can send time exceeded message by the up maintenance channel of TRAU to the BSC control unit periodically with certain.The transmission cycle of time exceeded message is provided with disposal ability and the overall alarm information amount that will consider the BSC control unit.
Embedded TRAU unit A interface circuit monitoring method can in time be discerned automatically for TRAU unit to the physical connection between the BSC crosspoint and interrupt and problem such as the various A interface circuits soft, that hardware reason causes of MSC side are unavailable, has 100% fault detect rate.Avoided the waste when a variety of causes causes A access circuit resource under the disabled situation of A interface circuit long, improved the maintainability of BSS system, guarantee the service quality of cordless communication network, be reduced to the competency profiling that solves the attendant that such A interface problem disposed.
Description of drawings Fig. 1: complete GSM home network system basic composition Fig. 2: the A interface circuit monitoring method schematic diagram of gsm communication system
Embodiment
Further specify the present invention below in conjunction with drawings and Examples.
Complete GSM home network system basic composition figure as shown in Figure 1, comprise BSS and NSS two large divisions, BSS is made up of BTS1, BSC2 and TRAU unit 3, and NSS then is made up of MSC5, VLR Visitor Location Register (VLR) and attaching position register parts such as (HLR).Interface between BSS and the NSS is an A interface 4.
The A interface circuit monitoring method schematic diagram of gsm communication system as shown in Figure 2.Solid line partly is need change design to the gsm system relevant portion for realization A interface circuit monitoring function; Dotted portion then is in this monitoring function is realized, needs to participate in but the part that need not to carry out change in design, and these parts only realize that its original basic function gets final product.
The routing mode of A interface is set to the selection mode that circulates, under this mode, in the normal running of gsm system, the A interface circuit of each TRAU unit correspondence was recycled with certain cycle, this cycle and telephone traffic are closely related, the selected cycle of the big then A interface circuit of telephone traffic is short, and each A interface circuit is by comparatively frequent use, the frequent activation of uplink service information that corresponding TRAU unit 3 will be sent by the BTS1 side; On the contrary, the selected cycle of the little then A of telephone traffic interface circuit is long, and corresponding TRAU unit 3 also will be prolonged by the cycle of the uplink service information activation that the BTS1 side sends.Under the abnormal conditions of interrupting causing the part A interface circuit to use owing to the transmission between various soft, hardware reasons or TRAU unit 3 to the BSC2 crosspoints, therefore corresponding TRAU unit 3 can't activate owing to can not receive the uplink service information that BTS1 sends over.The so-called activation is meant when corresponding A interface circuit becomes busy attitude (BUSY) by Idle state (IDLE), TRAU unit 3 is owing to receive the up all kinds of professional Frame information that BTS1 sends over, TRAU unit 3 is transformed to the business function attitude from non-business function attitude, the rate adapted of the code conversion and the data service of the lang sound business of going forward side by side.
Based on this principle, a timer is set in each TRAU unit 3: TRAU unit 3 continues non-activated state timer, the overtime threshold setting of this timer should be repeated to select maximum time at interval greater than TRAU unit 3 residing corresponding A interface circuit, each TRAU unit 3 is when receiving the business information that the BTS1 side sends over, as: the professional Frame of various TRAU, by being with interior activation, begin to realize when normal professional, as: carry out code conversion or rate adapted, TRAU unit 3 is continued the zero clearing of non-activated state timer; And 3 realize remaining cleared condition in the normal business procedure in the TRAU unit; 3 when discharging in the TRAU unit, and when corresponding A interface circuit became Idle state from busy attitude, TRAU unit 3 continued non-activated state timers and keeps cleared conditions.TRAU unit 3 is during being in non-activated state, and TRAU unit 3 continues the continuous timing of non-activated state timer, and when the clocking value of this timer equaled its timeout value, TRAU unit 3 reported time exceeded message by the up maintenance channel 25 of TRAU to BSC control unit 21; Show the unusual generation that duration of existing these timer expiry threshold settings in corresponding TRAU unit 3 is not received BTS1 uplink service information, BSC control unit 21 is given BSC Operation and Maintenance Unit 22 with this forwards again, and personnel check for BSS system maintenance; Carry the parameter of sign corresponding TRAU unit 3 or corresponding A interface circuit in the time exceeded message that TRAU unit 3 reports; BSC control unit 21 is when being transmitted to the BSC2 Operation and Maintenance Unit with this time exceeded message, learn the further side information of sign corresponding TRAU unit 3 or corresponding A interface circuit from the physical channel of obtaining time exceeded message, this side information together is transmitted to BSC Operation and Maintenance Unit 22 as the time exceeded message supplementary parameter; In a word, the time exceeded message that is transmitted to BSC Operation and Maintenance Unit 22 comprises the information parameter of the corresponding TRAU of sufficient sign unit 3 or corresponding A interface circuit, supplies BSS system maintenance personnel relevant TRAU unit 3 or the A interface circuit problem of accurate localization as far as possible.
When BSC control unit 21 is not received the message of BTS1 uplink service information in the time of receiving the lasting non-activated state timer threshold setting that TRAU unit 3 reports, BSC control unit 21 sends reset message to A interface circuit that should TRAU unit 3 to the MSC5 side, make the BSC2 of these A interface circuit both sides and the state of MSC5 get back to Idle state, avoid because this A interface circuit that the MSC5 side causes unusually is unavailable when long, in order to avoid relevant A access circuit resource waste.
Resetting of A interface circuit is meant when the A interface circuit becomes Idle state (IDLE) by busy attitude (BUSY), TRAU unit 3 is because a period of time (being generally a few tens of milliseconds to the hundreds of millisecond) can not receive the up all kinds of professional Frame information that BTS1 sends over, and TRAU unit 3 is transformed to non-business function attitude from business function attitude (carrying out the rate adapted of the code conversion and the data service of speech business).
After this, if can not receive the uplink service information (all kinds of TRAU Frame) that BTS1 sends over always, then can send time exceeded message by the up maintenance channel 26 of TRAU to BSC control unit 21 periodically with certain.The transmission cycle of time exceeded message is provided with disposal ability and the overall alarm information amount that will consider BSC control unit 21, and the present invention does not lay down hard and fast rule.
At BSC2 owing to identify A interface circuit trunking fault or the A interface circuit carried out inaccessible attended operation or receives the message of the inaccessible A interface circuit of MSC5, when putting relevant A interface circuit state and be busy attitude, BSC control unit 21 is assigned the order of timeing closing device by the descending maintenance channel 25 of the TRAU unit 3 of relevant portion A interface circuit correspondence, make the non-all the time time status of timer of this part TRAU unit 3, in order to avoid this part TRAU unit 3 produces false-alarm message; Identify that A interface circuit trunking recovers or the A interface circuit separated to close attended operation or receive that MSC5 separates at BSC2 and close or during the message of the A interface circuit that resets, again putting relevant A interface circuit state is Idle state, BSC control unit 21 is assigned the order of opening timer by the descending maintenance channel 25 of the TRAU unit of relevant portion A interface circuit correspondence, makes the timer of this part TRAU unit 3 restart work.
The timer expiry thresholding can not be repeated to select maximum time at interval less than corresponding A interface circuit, otherwise may report the false-alarm message of timer expiry, promptly under the normal situation about using of A interface circuit, reports above-mentioned unusual overtime false-alarm message.
The overtime thresholding of timer can be configured by BSC Operation and Maintenance Unit 22, BSC Operation and Maintenance Unit 22 sends to BSC control unit 21 by the descending maintenance channel 23 of BSC control unit, and BSC control unit 21 is transmitted to the TRAU unit 3 of each A interface circuit correspondence again by the descending maintenance channel 25 of each TRAU unit.The timer of the TRAU unit 3 of corresponding each A interface circuit can be set to different value, but the maximum time that the overtime threshold value of the timer of each TRAU unit 3 must repeat to select greater than the A interface circuit of correspondence at interval.
Because the dynamic change scope of telephone traffic in one day 24 hours is very big, can distinguish the telephone traffic characteristic of day part, the telephone traffic characteristic of day and night is provided with different overtime thresholdings by BSC2 to timer, to improve the promptness of the problems referred to above identification.When resetting overtime thresholding, by BSC control unit 21 by the timer zero clearing message of the descending maintenance channel 25 of TRAU to relevant TRAU unit 3.
MSC5 selects the mode of A interface circuit to be set to the repeating query mode, all TRAU unit 3 of this part A interface circuit correspondence of BSC2 side correspondence then, and its timer expiry threshold setting is 24 hours.
Claims (13)
1, the monitoring method of A interface circuit in a kind of wireless communication system is characterized in that described method comprises following concrete steps:
A, a TRAU unit is set in each code conversion and Rate Adapter Unit (TRAU) continues non-activated state timer, base station controller (BSC) Operation and Maintenance Unit is provided with a thresholding in described timer;
B, each TRAU unit by being with interior activation, begin to carry out normal business, promptly basic user oriented business when receiving the traffic frame information that base station system (BTS) side sends over;
C, described timer carry out in the TRAU unit keeping non-time status in the normal business procedure;
D, when the traffic frame information that the BTS side sends over is not received in the TRAU unit in a period of time, the TRAU unit is changed to non-service condition;
Pick up counting by non-time status when e, described timer are changed to non-service condition in the TRAU unit, during the TRAU unit is in non-service condition, keep time status;
F, when the clocking value of described timer equals its threshold value, the TRAU unit reports time exceeded message, base station sub-system (BSS) attendant locatees in-problem A interface circuit according to described time exceeded message.
2, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1 is characterized in that described A interface circuit is with the selected use of certain cycle period.
3, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 2 is characterized in that, the maximum time that the threshold value of described timer is repeated to select greater than the A interface circuit of correspondence in described cycle period at interval.
4, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 3 is characterized in that the thresholding of described timer was set to 24 hours.
5, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1, it is characterized in that, when in step a, disposing the threshold setting of described timer, the BSC Operation and Maintenance Unit sends to the BSC control unit by the descending maintenance channel of BSC control unit with the configuration information of described timer, and the BSC control unit is transmitted to described configuration information by the descending maintenance channel of each TRAU the TRAU unit of each A interface circuit correspondence again.
6, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1, it is characterized in that, in the timing course of described timer, if BSC identifies A interface circuit trunking fault or when the A interface circuit carried out inaccessible attended operation or receive the message of the inaccessible A interface circuit of mobile switching centre, putting relevant A interface circuit state is busy attitude, and the BSC control unit is assigned the order that stops timing by the descending maintenance channel of TRAU of the corresponding TRAU of relevant portion A interface circuit unit to timer simultaneously.
7, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1, it is characterized in that, when described timer is in non-time status, BSC identifies that A interface circuit trunking recovers or the A interface circuit is separated to close attended operation or receive that mobile switching centre separates and closes or during the message of the A interface circuit that resets, putting relevant A interface circuit state is Idle state, and the BSC control unit is assigned the order that picks up counting by the descending maintenance channel of TRAU of the corresponding TRAU of relevant portion A interface circuit unit to timer simultaneously.
8, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1 is characterized in that, carries the corresponding TRAU unit of sign or the various parameters and the information of corresponding A interface circuit in the time exceeded message that described TRAU unit reports.
9, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1, it is characterized in that, when described BSC control unit is not received the message of BTS uplink service information in the time of described timer threshold setting, the BSC control unit sends reset message to A interface circuit that should the TRAU unit to mobile switching centre (MSC) side, and the state of the BSC of A interface circuit both sides and MSC is put get back to Idle state.
10, as the monitoring method of A interface circuit in claim 1 or the 9 described a kind of wireless communication systems, it is characterized in that, the BSC control unit then can send time exceeded message by the up maintenance channel of TRAU to the BSC control unit with certain cycle if still can not receive the uplink service information that BTS sends over after surpassing the threshold setting time of described timer.
11, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1 is characterized in that, zero clearing and picking up counting when described timer is changed to non-service condition in the TRAU unit stops timing when carrying out regular traffic in the TRAU unit.
12, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1 is characterized in that, the TRAU unit of described TRAU unit for realizing in embedded mode.
13, the monitoring method of A interface circuit in a kind of wireless communication system as claimed in claim 1, it is characterized in that, in step f, the TRAU unit reports time exceeded message by the up maintenance channel of TRAU to the BSC control unit, and the BSC control unit is transmitted to the BSC Operation and Maintenance Unit by the up maintenance channel of BSC control unit with time exceeded message more then.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111032 CN1223213C (en) | 2002-03-13 | 2002-03-13 | Monitoring method of A interface circuit in wireless communication system |
| AU2003211852A AU2003211852A1 (en) | 2002-03-13 | 2003-02-14 | Method for monitoring a interface circuit in wireless communication system |
| PCT/CN2003/000131 WO2003077577A1 (en) | 2002-03-13 | 2003-02-14 | Method for monitoring a interface circuit in wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111032 CN1223213C (en) | 2002-03-13 | 2002-03-13 | Monitoring method of A interface circuit in wireless communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1444410A true CN1444410A (en) | 2003-09-24 |
| CN1223213C CN1223213C (en) | 2005-10-12 |
Family
ID=27793309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02111032 Expired - Fee Related CN1223213C (en) | 2002-03-13 | 2002-03-13 | Monitoring method of A interface circuit in wireless communication system |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1223213C (en) |
| AU (1) | AU2003211852A1 (en) |
| WO (1) | WO2003077577A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387096C (en) * | 2004-12-23 | 2008-05-07 | 华为技术有限公司 | Method for determining capture threshold of random access channel through physical layer |
| CN100396137C (en) * | 2005-09-28 | 2008-06-18 | 华为技术有限公司 | A interface circuit turn-on detecting method and device |
| CN100426909C (en) * | 2005-08-23 | 2008-10-15 | 华为技术有限公司 | Base station controller and flow detecting method in mobile exchange center calling process |
| CN101404829B (en) * | 2008-11-17 | 2010-12-08 | 中兴通讯股份有限公司 | Abis access method and base station transceiver station |
| WO2019134644A1 (en) * | 2018-01-08 | 2019-07-11 | 维沃移动通信有限公司 | Data transmission method and user terminal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0512206D0 (en) | 2005-06-15 | 2005-07-27 | Biosynth As | Synthesis |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI103370B (en) * | 1996-08-23 | 1999-06-15 | Nokia Telecommunications Oy | Procedure for maximizing the V5 interface's accessible capacity in wireless subscriber network environment |
| EP0849891A3 (en) * | 1996-12-20 | 2000-01-19 | Siemens Aktiengesellschaft | Method and apparatus for establishing a traffic channel in a mobile radio network |
| JP2001119447A (en) * | 1999-10-21 | 2001-04-27 | Matsushita Electric Ind Co Ltd | Radio communication terminal and radio data transmission method |
-
2002
- 2002-03-13 CN CN 02111032 patent/CN1223213C/en not_active Expired - Fee Related
-
2003
- 2003-02-14 AU AU2003211852A patent/AU2003211852A1/en not_active Abandoned
- 2003-02-14 WO PCT/CN2003/000131 patent/WO2003077577A1/en not_active Application Discontinuation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387096C (en) * | 2004-12-23 | 2008-05-07 | 华为技术有限公司 | Method for determining capture threshold of random access channel through physical layer |
| CN100426909C (en) * | 2005-08-23 | 2008-10-15 | 华为技术有限公司 | Base station controller and flow detecting method in mobile exchange center calling process |
| US7974594B2 (en) | 2005-08-23 | 2011-07-05 | Huawei Technologies Co., Ltd. | Method for checking connectivity between base station controller and mobile switching center |
| CN100396137C (en) * | 2005-09-28 | 2008-06-18 | 华为技术有限公司 | A interface circuit turn-on detecting method and device |
| CN101404829B (en) * | 2008-11-17 | 2010-12-08 | 中兴通讯股份有限公司 | Abis access method and base station transceiver station |
| WO2019134644A1 (en) * | 2018-01-08 | 2019-07-11 | 维沃移动通信有限公司 | Data transmission method and user terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003077577A1 (en) | 2003-09-18 |
| CN1223213C (en) | 2005-10-12 |
| AU2003211852A1 (en) | 2003-09-22 |
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