CN1250267A - Method for establishing call in honeycomb system - Google Patents
Method for establishing call in honeycomb system Download PDFInfo
- Publication number
- CN1250267A CN1250267A CN99122017A CN99122017A CN1250267A CN 1250267 A CN1250267 A CN 1250267A CN 99122017 A CN99122017 A CN 99122017A CN 99122017 A CN99122017 A CN 99122017A CN 1250267 A CN1250267 A CN 1250267A
- Authority
- CN
- China
- Prior art keywords
- travelling carriage
- base station
- message
- channel assignment
- mobile switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
Abstract
A method for establishing call in cellular system includes that: a mobile station requests originating to base station; the base station requests resource allocation to the mobile switching center; the mobile switching center sends conform to the mobile station; the mobile station sends channel allocation message to the base station and mobile station back base station operation timer; the base station sends empty transaction message to the mobile station; the mobile station sends mobile station acquisition message to the base station after receiving the message; if receiving the mobile station acquisition message before the timer closes, the base station connects call transaction to the mobile station; if without receiving the mobile station acquisition message until the timer closes, the base station retransmission channel allocates message to the mobile station.
Description
The present invention relates in cellular system, set up the method for calling out.More specifically, the present invention is used for setting up calling party and callee's method at the cellular system of employing code division multiple access (CDMA) technology.
In cellular system, total overlay area is divided into many base station area, and each base station area has the service area of many cell area as minimum.
Mobile switching centre (MSC) controls described base station, and even makes during in moving between cells to call out at mobile phone and continue.
Fig. 1 represents the structure of the cellular system of employing code division multiple access (CDMA) technology.As shown in the figure, cellular system comprises: be used to provide the base station (BS) 20,30,40 of call business to travelling carriage (MS) 10; Be used for many base stations are linked the mobile switching centre (MSC) 50 of public switch telephone network (PSTN) 60.
In the superincumbent cellular system, the link from the base station to travelling carriage is called forward link, and is called reverse link from the link of mobile to base station.
Support the base station of CDMA technology to use to have pilot channel, synchronizing channel and paging channel and be used for the Traffic Channel of forward link and be used for many channels of the access channel of backward channel.
The base station uses the equipment that is called Channel Elements CE to be used for channel of operation.And the base station has many Channel Elementss, and each Channel Elements is operated by one of top channel.
If the user asks dialogue, travelling carriage is attempted setting up and is started to the calling of base station.
Fig. 2 is the flow chart that the known method of calling out is set up in expression.
The access channel unit (ACH) 22 of travelling carriage 10 by the base station send and start/and page-response message is to base station control processor (BCP) 24 (step 1) of base station.
Base station control processor sends the message of requests resource allocation to mobile switching centre 50, and by paging channel unit (PCH) 23 transmissions start/affirmation of paging is to travelling carriage (step 3).
The user's that mobile switching centre's 50 search request data are distributed information, and channel assignment message is given base station control processor 24 (step 4) when this user has the receipt of call operational authority.
After giving travelling carriage by paging channel unit channel assignment message, one of Traffic Channel above base station processor is selected to use in the base station, and by selected Traffic Channel unit transmission traffic assignments (step 4).
This Traffic Channel unit 21 send do not have call data empty service message to travelling carriage, and the state (step 7) of the notice Traffic Channel of being distributed.
Travelling carriage sends preamble to the Traffic Channel unit after receiving empty service message, so that notice is prepared the state of calling.
Traffic Channel unit with travelling carriage preamble sends travelling carriage and obtains message to base station control processor (step 8 and 9).
Then, calling is handled by the exchange voice data in travelling carriage and base station.
Base station control processor is operated the timer (step 6) that has scheduled operating time (for example, 5 seconds) when giving travelling carriage by paging channel unit channel assignment message.
If the state propagation state according to travelling carriage degenerates fast, then travelling carriage can not receive the channel assignment message that utilizes the paging channel unit to send.
And, because travelling carriage can not forward Traffic Channel to from paging channel, so travelling carriage can not receive the empty service message of Traffic Channel unit, and because travelling carriage can not send preamble to the base station, so the signal from travelling carriage can not be detected in the base station.
In channel assignment message (in step 5) afterwards, if completely also not receiving travelling carriage obtains message until the normal meter of timer, then base station control processor is ignored the everything of carrying out in the step in front, and send release message to the Traffic Channel unit, so that (step 10) is called out in cancellation.
But in the above in the situation, mobile switching centre or public switch telephone network are given in base station request call foundation and Resources allocation.
Therefore, even when travelling carriage is not the receive channel assignment messages, should remove the resource of having distributed to base station, mobile switching centre and public switch telephone network.
As mentioned above, the known method that is used to set up calling does not have efficent use of resources, and has the problem that causes low service rate owing to the call setup failure.
The present invention originates from the problem above solving.
An object of the present invention is to provide a kind of method, be used at travelling carriage because the defective mode of forward link and attempt subsequenct call during not from base station receive channel assignment messages and set up at cellular system and to call out.
Another object of the present invention provides a kind of method, is used for making base station channel assignment message and set up at cellular system and to call out once more during not from base station receive channel assignment messages at travelling carriage.
Another object of the present invention provides a kind of method, is used for calling out until next the foundation cellular system of travelling carriage cancellation calling in the resource that the base station of channel assignment message does not keep being distributed when travelling carriage receives preamble.
Fig. 1 represents to utilize the structure of the conventional cellular system of code division multiple access (CDMA) technology;
Fig. 2 is the flow chart that expression is used to set up the known method of calling;
Fig. 3 represents the structure according to cellular system of the present invention; With
Fig. 4 is the method for calling is set up in expression according to the present invention a flow chart.
According to one embodiment of present invention, provide a kind of have be used for providing the travelling carriage of call business to the user, be used to exchange radio message to the base station of travelling carriage and the cellular system that is used for the base station is linked the mobile switching centre of another base station or public switch telephone network set up the method for calling out, this method may further comprise the steps:
Start to base station requests by travelling carriage;
By the base station of being asked to mobile switching centre's requests resource allocation;
Utilizing the resource of being distributed to send from mobile switching centre confirms to travelling carriage;
Give the base station by the travelling carriage channel assignment message;
Operation timer after giving travelling carriage by the base station channel assignment message;
Send the empty service message of informing business channel allocation state to travelling carriage by the base station;
After receiving empty service message, send travelling carriage by travelling carriage and obtain message to the base station from the base station;
Obtain message if before the timer normal termination, receive travelling carriage, then connect call business to travelling carriage by the base station;
Do not obtain message if receive travelling carriage, then give travelling carriage by base station retransmission channel assignment messages until the timer normal termination.
Preferably, the method also is included in another step that operation timer is stored the information of relevant travelling carriage afterwards.
Preferably, after searching the canned data of relevant travelling carriage, carry out the step of retransmission channel assignment messages.
According to another embodiment of the invention, provide a kind of have be used for providing the travelling carriage of call business to the user, be used to exchange radio message to the base station of travelling carriage and the cellular system that is used for the base station is linked the mobile switching centre of another base station or public switch telephone network set up the method for calling out, this method may further comprise the steps:
Start to base station requests by travelling carriage;
Send affirmation to travelling carriage by the base station of being asked;
By the travelling carriage operation timer;
If before the timer normal termination, receive the sky service message, then call business linked the base station by travelling carriage;
If do not receive the sky service message until the timer normal termination, then cancellation is called out.
According to another embodiment of the present invention, provide a kind of have be used for providing the travelling carriage of call business to the user, be used to exchange radio message to the base station of travelling carriage and the cellular system that is used for the base station is linked the mobile switching centre of another base station or public switch telephone network set up the method for calling out, this method may further comprise the steps:
Set up calling by travelling carriage to base station requests;
Give travelling carriage by the base station channel assignment message of being asked;
If the base station of channel assignment message does not receive from travelling carriage and obtains signal in the given time, then by base station retransmission channel assignment messages to travelling carriage.
Preferably, the step of channel assignment message may further comprise the steps:
Use the information of relevant travelling carriage to generate channel assignment message;
The channel assignment message that transmission is generated is to travelling carriage;
With the information stores of the relevant travelling carriage memory in the base station.
Preferably, the step of retransmission channel assignment messages may further comprise the steps:
Search the stored information of relevant travelling carriage;
Utilize the information regeneration of being searched to become channel assignment message;
The channel assignment message that sends regeneration is to travelling carriage.
According to another embodiment of the invention, provide a kind of have be used for providing the travelling carriage of call business to the user, be used to exchange radio message to the base station of travelling carriage and the cellular system that is used for the base station is linked the mobile switching centre of another base station or public switch telephone network set up the method for calling out, this method may further comprise the steps:
Set up calling by travelling carriage to base station requests;
By the base station of being asked to mobile switching centre's requests resource allocation;
Send affirmation to travelling carriage by the base station of being asked;
Give travelling carriage by mobile switching centre's allocated channel of being asked;
Give travelling carriage by the base station channel assignment message;
If the base station of channel assignment message does not detect travelling carriage and obtains signal in first scheduled time, then maintain the resource of closing the travelling carriage that is connected to base station and mobile switching centre.
Preferably, keep the resource of relevant travelling carriage, until after the confirmation of receipt of base station, experiencing for second scheduled time at travelling carriage.
Preferably, the method also comprises another step: do not obtain signal if the base station of channel assignment message detects travelling carriage in first scheduled time, then the retransmission channel assignment messages is given travelling carriage.
Preferably, the method also comprises another step: after giving travelling carriage by the base station channel assignment message, with the information stores of the relevant travelling carriage memory in the base station.
Preferably, the method also comprises another step: do not obtain signal if the base station of channel assignment message detects travelling carriage in first scheduled time, then by the information of the relevant travelling carriage of base station lookups.
Preferably, the method also comprises another step: after searching the information of relevant travelling carriage, utilize the information retransmission channel assignment messages of the relevant travelling carriage of being searched to give travelling carriage.
Fig. 3 represents the structure according to cellular system of the present invention.
As shown in the figure, travelling carriage 10 is linked many Channel Elementss of base station 20 by radio link.
Base station control processor 24 sends similar speech by Traffic Channel unit 21 call data are to travelling carriage or receive the call data of similar speech from travelling carriage, and pass through the Control on Communication message of access channel unit 22 receiving mobiles and send the Control on Communication message to travelling carriage by paging channel unit 23.
If travelling carriage receives the affirmation be used to set up the starting of the calling that sends to the base station/page-response message, then travelling carriage 10 operations have scheduled operating time the second timer of (for example, 12 seconds).
Travelling carriage is waited for the channel assignment message of base station, until the second timer normal termination.
Connect until the second timer normal termination if call out, then the travelling carriage cancellation is called out.
Therefore, the present invention is the method for retransmission channel assignment messages before the second timer normal termination of travelling carriage.
When the base station channel assignment message was given travelling carriage, memory was arrived with identical message stores in the base station.
If because the defective mode of forward link causes travelling carriage not from base station receive channel assignment messages, then the channel assignment message of storage is retransmitted to travelling carriage in the base station.
When the channel assignment message of base station, the base station operation first timer.
If do not receive preamble from travelling carriage yet until the first timer normal termination, base station retransmission channel assignment messages then.
If the state of travelling carriage is better, travelling carriage receive channel assignment messages then, and send preamble to the base station is so that be connected calling between base station and travelling carriage.
Fig. 4 is the flow chart of expression according to the method for foundation calling of the present invention.
If user's request call, then travelling carriage 10 is by the access channel unit (ACH) of base station 20,22 send start/page-response message is to base station control processor (BCP) 24 (steps 110).
Base station control processor is to mobile switching centre's 50 requests resource allocation (step 120), and sends base stations by paging channel unit (PCH) 23 and confirm to travelling carriage (step 130).
At this moment, travelling carriage is from the paging channel unit confirmation of receipt of base station and operate second timer.
The information that relevant originating user is searched by the mobile switching centre 50 of the resource allocation that request is used to start, and allow channel allocation when originating user has the call business qualification, and base station control processor is given travelling carriage (step 140) by paging channel unit channel assignment message.
If but the radio state deterioration of the forward link of travelling carriage, then because travelling carriage can not the receive channel assignment messages, so travelling carriage can not be transferred to Traffic Channel.
Therefore, the base station control processor channel assignment message is so that the information of retransmission channel assignment messages (step 140), operation first timer (step 150) and the relevant travelling carriage of storage.
After channel assignment message was given travelling carriage, base station control processor was selected spendable Traffic Channel unit (TCH), and notifies travelling carriage distribution service channel (step 160) by send empty service message through this Traffic Channel unit.
The travelling carriage that receives the sky service message sends affirmation to preamble by the Traffic Channel unit, and the Traffic Channel unit that receives preamble sends and obtains message to base station control processor.
Receive at base station control processor and to obtain message (step 70) afterwards, travelling carriage (step 210) is linked with calling in the base station.
If but do not receive channel assignment message owing to the poor radio state causes travelling carriage, travelling carriage could not receive empty service message, and can not send as the preamble that is used for the affirmation of sky service message to the service in base station Channel Elements.
Obtain message (step 180) if receive travelling carriage from professional Channel Elements not yet until the first timer normal termination, then base station control processor is searched the stored information of relevant travelling carriage, and utilize the result who is searched to generate channel assignment message (step 190), and the retransmission channel assignment messages is given travelling carriage (step 200).
If the radio state of travelling carriage is good, then travelling carriage receives the channel assignment message of retransmitting, and transfers to Traffic Channel from paging channel.
The base station control processor of retransmission channel assignment messages is selected in each Traffic Channel unit (TCH), and sends traffic channel assignment message to selected Traffic Channel unit.
This Traffic Channel unit sends empty service message to travelling carriage.
Subsequently, travelling carriage is notified the state called out prepared by sending preamble to the Traffic Channel unit, and this Traffic Channel unit sends travelling carriage and obtain message to base station control processor, calls out so that connect.
Receive the confirmation the travelling carriage operation second timer of (step 130) from the base station, and in cancellation calling automatically when the second timer normal termination receives the sky service message from the base station not yet, to avoid useless distribution.
Since channel assignment message is double when losing needn't the retransmission channel assignment messages, so send the second channel assignment messages is not stored relevant travelling carriage again to the base station of travelling carriage information.
Effect according to the present invention is as follows.
If travelling carriage is because radio state is temporary transient bad and do not receive channel assignment message, then by Base station retransmission channel assignment messages in close timer own and cancellation calling at travelling carriage before is so connect To the base station, mobile switching centre and public switch telephone network be used for call out the resource that starts and do not waste.
Therefore, can more effectively utilize resource between base station and the travelling carriage and the resource in the system, and Can improve service rate.
Claims (13)
- One kind have be used for providing the travelling carriage of call business to the user, be used to exchange radio message to the base station of travelling carriage and the cellular system that is used for the base station is linked the mobile switching centre of another base station or public switch telephone network set up the method for calling out, the method may further comprise the steps:Start to base station requests by travelling carriage;By the base station of being asked to mobile switching centre's requests resource allocation;Utilizing the resource of being distributed to send from mobile switching centre confirms to travelling carriage;Give the base station by the travelling carriage channel assignment message;By base station operation timer after channel assignment message is given travelling carriage;The empty service message of state that is sent the informing business channel allocation by the base station is to travelling carriage;Travelling carriage sends travelling carriage and obtains message to the base station after receiving empty service message from the base station;If received that before the timer normal termination travelling carriage obtains message, then links travelling carriage by the base station with call business;If do not receive that until the timer normal termination travelling carriage obtains message, then give travelling carriage by base station retransmission channel assignment messages.
- 2. according to the method for claim 1, also be included in another step of storing relevant mobile station information after the operation timer.
- 3. according to the process of claim 1 wherein the step of after searching the stored information of relevant travelling carriage, carrying out the retransmission channel assignment messages.
- One kind have be used for providing the travelling carriage of call business to the user, be used to exchange radio message to the base station of travelling carriage and the cellular system that is used for the base station is linked the mobile switching centre of another base station or public switch telephone network set up the method for calling out, the method may further comprise the steps:Start to base station requests by travelling carriage;Send affirmation to travelling carriage by the base station of being asked;By the travelling carriage operation timer;If before the timer normal termination, receive the sky service message, then call business even is listed as the base station by travelling carriage;If do not receive the sky service message until the timer normal termination, then cancellation is called out.
- One kind have be used for providing the travelling carriage of call business to the user, be used to exchange radio message to the base station of travelling carriage and the cellular system that is used for the base station is linked the mobile switching centre of another base station or public switch telephone network set up the method for calling out, the method may further comprise the steps:Set up calling by travelling carriage to base station requests;Base station channel assignment message by request is given travelling carriage;If the base station of channel assignment message does not receive from travelling carriage and obtains signal in the given time, then give travelling carriage by base station retransmission channel assignment messages.
- 6. according to the method for claim 5, wherein the step of channel assignment message may further comprise the steps:Utilize the information of relevant travelling carriage to generate channel assignment message;The channel assignment message that transmission is generated is to travelling carriage;The information stores of relevant travelling carriage is arrived the memory of base station.
- 7. according to the method for claim 6, wherein the step of retransmission channel assignment messages may further comprise the steps:Search the stored information of relevant travelling carriage;Utilize the information of being searched to regenerate channel assignment message;The channel massage that transmission regenerates is to travelling carriage.
- One kind have be used for providing the travelling carriage of call business to the user, be used to exchange radio message to the base station of travelling carriage and the cellular system that is used for the base station is linked the mobile switching centre of another base station or public switch telephone network set up the method for calling out, the method may further comprise the steps:Set up calling by travelling carriage to base station requests;By the base station of being asked to mobile switching centre's requests resource allocation;Send affirmation to travelling carriage by the base station of being asked;Give travelling carriage by mobile switching centre's allocated channel of being asked;Give travelling carriage by the base station channel assignment message;If the base station of channel assignment message does not detect travelling carriage and obtains signal in first scheduled time, then maintain the resource of closing the travelling carriage that is connected to base station and mobile switching centre.
- 9. method according to Claim 8 wherein keeps the resource of relevant travelling carriage, experiences for second scheduled time until travelling carriage after the confirmation of receipt of base station.
- 10. method according to Claim 8 also comprises another step: do not obtain signal if the base station of channel assignment message detects travelling carriage in first scheduled time, then the retransmission channel assignment messages is given travelling carriage.
- 11. method according to Claim 8 also comprises another step: after giving travelling carriage, with the information stores of the relevant travelling carriage memory in the base station by the base station channel assignment message.
- 12., also comprise another step: do not obtain signal if the base station of channel assignment message detects travelling carriage in first scheduled time, by the information of the relevant travelling carriage of base station lookups according to the method for claim 11.
- 13., also comprise another step: after searching the information of relevant travelling carriage, utilize the information retransmission channel assignment messages of the relevant travelling carriage of searching to give travelling carriage according to the method for claim 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR39354/1998 | 1998-09-23 | ||
| KR1019980039354A KR100300348B1 (en) | 1998-09-23 | 1998-09-23 | Method for call setup in cellular system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1250267A true CN1250267A (en) | 2000-04-12 |
| CN1136675C CN1136675C (en) | 2004-01-28 |
Family
ID=19551564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB99122017XA Expired - Fee Related CN1136675C (en) | 1998-09-23 | 1999-09-23 | Method for establishing call in honeycomb system |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100300348B1 (en) |
| CN (1) | CN1136675C (en) |
| AU (1) | AU732013B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008025233A1 (en) * | 2006-08-22 | 2008-03-06 | Zte Corporation | A td-scdma system and a method for controlling hsupa random access thereof |
| CN100382639C (en) * | 2003-09-22 | 2008-04-16 | 华为技术有限公司 | Method of carrying out fast calling setup |
| CN100387091C (en) * | 2003-09-22 | 2008-05-07 | 华为技术有限公司 | Method of carrying out fast calling setup |
| CN100428835C (en) * | 2004-08-18 | 2008-10-22 | 华为技术有限公司 | Method for obtaining mobile phone position information |
| CN100459795C (en) * | 2005-06-15 | 2009-02-04 | 华为技术有限公司 | Method for selecting service node according to load status |
| CN101562836A (en) * | 2008-04-18 | 2009-10-21 | 中兴通讯股份有限公司 | Retransmission method of base station response message |
| CN101083821B (en) * | 2006-05-30 | 2010-05-12 | 华为技术有限公司 | Method for processing abnormality of POC service and POC server |
| CN101233718B (en) * | 2005-08-12 | 2010-05-19 | Lg电子株式会社 | BCAST service system and contents transmission method using the same |
| CN101855858A (en) * | 2007-09-10 | 2010-10-06 | 韩国电子通信研究院 | The method that is used for Resources allocation and reception data |
| CN1992983B (en) * | 2001-08-17 | 2011-04-20 | 高通股份有限公司 | Method for call setup latency reduction |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100405601B1 (en) * | 2000-12-12 | 2003-11-15 | 엘지전자 주식회사 | Method for call information memory management in MSC |
| KR100525388B1 (en) * | 2000-12-26 | 2005-11-02 | 엘지전자 주식회사 | Call Setting method in mobile communication systems |
| KR100894361B1 (en) * | 2007-04-16 | 2009-04-22 | 에스케이 텔레콤주식회사 | Method for processing call of mobile communication system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI108327B (en) * | 1996-12-23 | 2001-12-31 | Nokia Corp | Method of establishing a connection in a mobile network |
| JPH1118131A (en) * | 1997-06-26 | 1999-01-22 | Nec Corp | Channel-setting method for mobile communication system and its system |
-
1998
- 1998-09-23 KR KR1019980039354A patent/KR100300348B1/en not_active IP Right Cessation
-
1999
- 1999-09-23 AU AU50117/99A patent/AU732013B2/en not_active Ceased
- 1999-09-23 CN CNB99122017XA patent/CN1136675C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992983B (en) * | 2001-08-17 | 2011-04-20 | 高通股份有限公司 | Method for call setup latency reduction |
| CN100382639C (en) * | 2003-09-22 | 2008-04-16 | 华为技术有限公司 | Method of carrying out fast calling setup |
| CN100387091C (en) * | 2003-09-22 | 2008-05-07 | 华为技术有限公司 | Method of carrying out fast calling setup |
| CN100428835C (en) * | 2004-08-18 | 2008-10-22 | 华为技术有限公司 | Method for obtaining mobile phone position information |
| CN100459795C (en) * | 2005-06-15 | 2009-02-04 | 华为技术有限公司 | Method for selecting service node according to load status |
| CN101233718B (en) * | 2005-08-12 | 2010-05-19 | Lg电子株式会社 | BCAST service system and contents transmission method using the same |
| US8036146B2 (en) | 2005-08-12 | 2011-10-11 | Lg Electronics Inc. | BCAST service system and contents transmission method using the same |
| CN101083821B (en) * | 2006-05-30 | 2010-05-12 | 华为技术有限公司 | Method for processing abnormality of POC service and POC server |
| WO2008025233A1 (en) * | 2006-08-22 | 2008-03-06 | Zte Corporation | A td-scdma system and a method for controlling hsupa random access thereof |
| US8817708B2 (en) | 2006-08-22 | 2014-08-26 | Zte Corporation | TD-SCDMA system and a method for controlling HSUPA random access thereof |
| CN101855858A (en) * | 2007-09-10 | 2010-10-06 | 韩国电子通信研究院 | The method that is used for Resources allocation and reception data |
| CN101562836A (en) * | 2008-04-18 | 2009-10-21 | 中兴通讯股份有限公司 | Retransmission method of base station response message |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1136675C (en) | 2004-01-28 |
| AU732013B2 (en) | 2001-04-12 |
| KR100300348B1 (en) | 2001-09-06 |
| AU5011799A (en) | 2000-04-06 |
| KR20000020658A (en) | 2000-04-15 |
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