CN1784062A - Receiving method for shared channel configuration information - Google Patents
Receiving method for shared channel configuration information Download PDFInfo
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- CN1784062A CN1784062A CN 200410091688 CN200410091688A CN1784062A CN 1784062 A CN1784062 A CN 1784062A CN 200410091688 CN200410091688 CN 200410091688 CN 200410091688 A CN200410091688 A CN 200410091688A CN 1784062 A CN1784062 A CN 1784062A
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Abstract
This invention discloses a method for receiving shared channel configuration information. It contains 1, user equipment (UE) sending share channel request message to universal terrestrial radio access network (UTRAN), said message carrying the message of whether the UE can receive information of SIB17 system message, 2, UTRAN judging whether UE can receive SIB17, if it can then sending UE share channel configuration information needed for determining UE share channel to UE, otherwise sending the share channel configuration information needed for establishing UE share channel to UE. Said invention can receive UE share channel configuration information in UE not receiving SIB17 carrying cell share channel configuration information.
Description
Technical field
The present invention relates to the configuring technical of shared channel in TD SDMA (TD-SCDMA) system, particularly a kind of in the TD-SCDMA system method of reseptance of shared channel configuration information.
Background technology
TD-SCDMA be in May, 2000 by International Telecommunications Union, March calendar year 2001 by one of three main standard of the 3G (Third Generation) Moblie of third generation partnership plan (3GPP, Third Generation Partnership Project) approval.TD-SCDMA be known as low spreading rate, the i.e. time-division multiplex technology of 1.28 million chips/sec (1.28MCps).
Shared channel among the TD-SCDMA is a kind of special common signal channel, and it is to share the channel that uses by a plurality of subscriber equipmenies (UE), can provide the radio bearer ability as dedicated channel.In TD-SCDMA, shared channel uses time slot format and the spreading code identical with dedicated channel.Shared channel can use separately, also can be used with dedicated channel.
The shared channel configuration information of sub-district is broadcasting in system message 17 (SIB17, System InformationBlock Type 17).SIB17 has described the Physical Downlink Shared Channel (PDSCH in the shared channel of sub-district, Physical Downlink Shared Channel) and Physical Uplink Shared Channel (PUSCH, Physical Uplink Shared Channel) configuration information, this SIB17 is at broadcast channel (BCH, Broadcast Channel) goes up transmission, BCH only is mapped on the main carrier frequency time slot TS0 of sub-district, shows that SIB17 only broadcasts on the time slot TS0 of main carrier frequency.The agreement that TD-SCDMA uses is defined in that subscriber equipment (UE) must can receive SIB17 under the cell dedicated channel status (CELL-DCH).When the user need use shared channel, UE reads the shared channel configuration information of sub-district from the SIB17 of broadcasting, and obtain definite required UE shared channel configuration information of UE shared channel from TD-SCDMA grid side, that utilizes that the required UE shared channel configuration information two parts of the shared channel configuration information of sub-district and definite UE shared channel constitute sets up the required UE shared channel configuration information of UE shared channel, sets up shared channel.
When setting up, UE application shared channel initiates by UE.Radio Resource control (the RRC of UE, Radio Resource Control) by monitoring self Radio Link control (RLC, whether professional buffering area Radio LinkControl) is idle, thus decision universal mobile telecommunications system grounding wireless access network network (UTRAN) the application shared channel in TD-SCDMA whether.Fig. 1 sets up in the process for prior art UE initiates shared channel, and UE obtains the flow chart of setting up the required UE shared channel configuration information of UE shared channel, and its detailed process is:
Step 100, UE initiate request by up shared physical channel requests for capacity (PUSCH CAPACITYREQUEST) message to the RRC of UTRAN, and this message sends on the dedicated channel of setting up in advance between UE and the UTRAN.
PUSCH CAPACITY REQUEST message purpose is to propose to use the application of shared channel.Mainly comprise some measurement results, judge and dispatch use for UTRAN.These measurement parameters all are optionally, mainly comprise as follows:
Currency, mean value and the variance of the RLC buffering area load of traffic carrying capacity (Traffic Volume): UE;
The ISCP of each time slot that slot interfering signal of time sign indicating number power (Timeslot ISCP): UE measures;
The first Common Control Channel received signal power (Primary CCPCH RSCP): UE receives the received signal code power (RSCP) of PCCPCH.
Step 101, the message that UTRAN sends UE is judged and is dispatched, to the shared channel in the UE distribution sub-district, to determine that by Physical Shared Channel assignment messages (PHYSICAL SHAREDCHANNEL ALLOCATION) the required UE shared channel configuration information of UE shared channel sends to UE, this message sends on the dedicated channel of setting up in advance between UE and the UTRAN, the UE shared channel configuration information that definite UE shared channel that UE can use this message to carry is required and determine self will set up the required UE shared channel configuration information of shared channel by the sub-district shared channel configuration information that SIB17 broadcasted is set up the shared channel of self.
Because the shared channel configuration information of sub-district is broadcasted by SIB17 in real time, so when UE sets up shared channel, only need determine that self employed shared channel configuration information gets final product by PHYSICAL SHARED CHANNEL ALLOCATION.For example: the shared channel configuration information of the sub-district by SIB17 broadcasting is: there is the time slot and the sign indicating number of three shared channels and each bar shared channel the sub-district, transport format combination set (TFCS), then UE need determine which bar shared channel this UE uses by the required UE shared channel configuration information of definite UE shared channel that PHYSICAL SHAREDCHANNEL ALLOCATION carries, as long as at this moment the required UE shared channel configuration information of definite UE shared channel that carries of PHYSICAL SHAREDCHANNEL ALLOCATION comprises employed shared channel time slot of UE and sign indicating number.Therefore, PHYSICALSHARED CHANNEL ALLOCATION generally just carries the part shared channel configuration information that is used for determining the UE shared channel.
When the TD-SCDMA system initiates setting up of shared channel, initiate by UTRAN.UTRAN determines whether to distribute shared channel to this UE by the RLC idle condition that monitors UE, Fig. 2 sets up in the process for prior art UTRAN initiates shared channel, UE obtains the flow chart of setting up the required UE shared channel configuration information of UE shared channel, and its concrete steps are:
Step 200, UTRAN dispatch, to determine that by PHYSICAL SHARED CHANNELALLOCATION the required UE shared channel configuration information of UE shared channel sends to UE, this message sends on the dedicated channel of setting up in advance between UE and the UTRAN, the UE shared channel configuration information that definite UE shared channel that UE can use this message to carry is required and determine self will set up the required shared channel configuration information of shared channel at the shared channel configuration information of SIB17 institute broadcast cell is set up the shared channel of self.
In order to satisfy the ever-increasing demand in mobile communication market, carrying out in same sub-district that overloading covers frequently is the important means that the TD-SCDMA system increases power system capacity.In present TD-SCDMA system, adopt a main carrier frequency to add that the mode of several assistant carrier frequencies realizes that multi-carrier frequency cell covers.In same sub-district, on main carrier frequency, distribute BCH, assistant carrier frequency only is used for the distribution service channel.
The main carrier frequency of same sub-district and arbitrary assistant carrier frequency be complete matching in time.Fig. 3 is the overloading schematic diagram of coverage cell frequently, and first carrier frequency is a main carrier frequency among Fig. 3, and main carrier frequency TS0 is responsible for broadcasting SIB17, and SIB17 issues in the crack at this moment.Assistant carrier frequency 1 all can only be used for the distribution of Traffic Channel to all time slots of assistant carrier frequency N.When time slot TS0 at this assistant carrier frequency of the traffic channel assignments of a certain assistant carrier frequency, this user must receive two carrier frequency simultaneously in order to receive SIB17 and exclusive data simultaneously, and is very high to the UE Capability Requirement, increased the cost of UE.If UE can not support to receive simultaneously the Traffic Channel of two carrier frequency and a certain assistant carrier frequency when being distributed in the time slot TS0 of this assistant carrier frequency again, then UE can't receive the shared channel configuration information by the sub-district of SIB17 broadcasting, and the required UE shared channel configuration information of definite UE shared channel that PHYSICAL SHARED CHANNELALLOCATION carries is not intactly to set up the required UE shared channel configuration information of UE shared channel, just set up the required part UE shared channel configuration information of UE shared channel, thereby the shared channel configuration information of the definite UE shared channel that can't be only carries according to the PHYSICAL SHARED CHANNEL ALLOCATION that receives is set up the UE shared channel, causes the failure of setting up the UE shared channel.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of reseptance of shared channel configuration information, this method can be when UE can't receive the SIB17 that carries sub-district shared channel configuration information, can also receive and set up the required UE overloading of UE shared channel shared channel configuration information frequently, thereby carry out the foundation of shared channel.
According to above-mentioned purpose, technical scheme of the present invention is achieved in that
A kind of method of reseptance of shared channel configuration information, this method comprises:
A, user equipment (UE) send the shared channel request message for universal mobile telecommunications system grounding wireless access network network UTRAN, and this message is carried the information whether expression UE can receive system message SIB17;
Whether B, UTRAN judge according to this information that UE is current can receive SIB17, if definite required UE shared channel configuration information of UE shared channel is sent to UE; Otherwise, send to UE with setting up the required UE shared channel configuration information of UE shared channel.
Step B is described will determine that the required UE shared channel configuration information of UE shared channel sends to UE after, also comprise:
UE constitutes and sets up the required UE shared channel configuration information of UE shared channel according to the shared channel configuration information of required UE shared channel configuration information of definite UE shared channel of receiving and the sub-district by SIB17 broadcasting, sets up the UE shared channel;
To set up after the required UE shared channel configuration information of UE shared channel sends to UE in that step B is described, also comprise:
UE sets up the UE shared channel according to setting up the required UE shared channel configuration information of UE shared channel.
At UE the condition that can receive SIB17 is set in advance, before steps A, also comprises:
A1, UE judge whether the communications status of current UE satisfies the condition that is provided with, if, then be judged to be and can receive SIB17, the information that expression can receive SIB17 is set; Otherwise, then be judged to be and can not receive SIB17, the information that expression can not receive SIB17 is set.
At UE the condition that can receive SIB17 is set in advance, before steps A, this method also comprises:
A11, UTRAN send to UE and determine the required UE shared channel configuration information of UE shared channel;
A12, UE judge whether the communications status of current UE satisfies the condition that is provided with, if, then be judged to be and can receive SIB17, receive the UE shared channel configuration information that this determines that the UE shared channel is required, finish; Otherwise, then being judged to be and can not receiving SIB17, setting can not receive SIB17 information.
Describedly at UE the condition can receive SIB17 is set and is:
UE current on the main carrier frequency of sub-district transceive data; Perhaps UE current on the assistant carrier frequency of sub-district transceive data, UE has not been TS0 at the dedicated channel time slot that assistant carrier frequency distributes; Perhaps UE current on the assistant carrier frequency of sub-district transceive data and UE be TS0 at the dedicated channel time slot that assistant carrier frequency distributes, according to the quality of service qos requirement of this data service, UE stops by the dedicated channel transceive data, then receives SIB17; Perhaps UE can receive the data of receiving and dispatching on two carrier frequency simultaneously.
The required UE shared channel configuration information of described definite UE shared channel is carried on the Physical Shared Channel assignment messages PHYSICAL SHARED CHANNEL ALLOCATION and sends.
The required UE shared channel configuration information of the described UE of foundation shared channel of step B is carried on the PHYSICAL SHARED CHANNEL ALLOCATION and sends.
The described shared channel request message of steps A is up shared physical channel requests for capacity PUSCHCAPACITY REQUEST message or Physical Shared Channel request for allocation PHYSICAL SHARECHANNEL INFO REQUEST message.
The required UE shared channel configuration information of the described UE of foundation shared channel of step B comprises: the time started of UE shared channel and duration, time slot and sign indicating number, power control information and transport format combination set TFCS.
The information whether described expression UE can receive SIB17 is the sign whether UE can receive SIB17.From such scheme as can be seen, when method provided by the invention can't receive SIB17 at UE, UTRAN can send to UE with intactly setting up the required UE shared channel configuration information of UE shared channel, and UE sets up the UE shared channel according to this information.
Method provided by the invention has been avoided UE owing to do not receive the shared channel information of the sub-district of transmitting by SIB17, and the required UE shared channel configuration information of definite UE shared channel that only carries according to the PHYSICAL SHARED CHANNELALLOCATION that receives can't be set up the problem of shared channel.Therefore, method provided by the invention can also receive and set up the required UE overloading of UE shared channel shared channel configuration information frequently, thereby carry out the foundation of shared channel when UE can't receive the SIB17 that carries sub-district shared channel configuration information.
Description of drawings
Fig. 1 sets up in the process for prior art UE initiates shared channel, and UE obtains the flow chart of setting up the required UE shared channel configuration information of UE shared channel.
Fig. 2 sets up in the process for prior art UTRAN initiates shared channel, and UE obtains the flow chart of setting up the required UE shared channel configuration information of UE shared channel.
Fig. 3 is the overloading schematic diagram of coverage cell frequently.
Fig. 4 sets up in the process for the present invention initiates shared channel at UE, and UE obtains the flow chart of setting up the required UE shared channel configuration information of UE shared channel.
Fig. 5 sets up in the process for the present invention initiates shared channel at UTRAN, and UE obtains the flow chart of setting up the required UE shared channel configuration information of UE shared channel.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, below lift specific embodiment and, the present invention is further elaborated with reference to accompanying drawing.
In the present invention, UE at first judges whether to receive the shared channel configuration information by the sub-district of SIB17 broadcasting, if, then send the information that can receive SIB17 to UTRAN, UTRAN will determine that by PHYSICAL SHARED CHANNEL ALLOCATION the required UE shared channel configuration information of UE shared channel sends to UE, the UE shared channel configuration information that definite UE shared channel that UE uses this message to carry is required and determine self will set up the required UE shared channel configuration information of shared channel at the shared channel configuration information of SIB17 institute broadcast cell is set up shared channel; Otherwise, then send the information that can not receive SIB17 to UTRAN, UTRAN by with UE between the dedicated channel that is connected will intactly set up the required UE shared channel configuration information of UE shared channel and send to UE, UE uses this intactly to set up the required UE shared channel configuration information of UE shared channel, sets up shared channel.
The process that UE judges whether to receive by the shared channel configuration information of the sub-district of SIB17 broadcasting is: the condition that sets in advance the shared channel configuration information that can receive the sub-district by SIB17 broadcasting at UE: 1, transceive data on the current main carrier frequency in the sub-district of UE; 2, UE current on the assistant carrier frequency of sub-district transceive data, but it has not been TS0 at the dedicated channel time slot that assistant carrier frequency distributes; 3, UE current on the assistant carrier frequency of sub-district transceive data, it has been TS0 at the dedicated channel time slot that assistant carrier frequency distributes, but according to the Quality of Service requirement of this data service, UE stops by the dedicated channel transceive data, then receives SIB17 by BCH; 4, UE has the ability of transceive data on two carrier frequency simultaneously.When UE will initiate the foundation of shared channel or UTRAN when initiating setting up of shared channel, UE judges whether self current communications status satisfies above-mentioned any of being provided with in the condition, thereby determines whether to receive the shared channel configuration information by the sub-district of SIB17 broadcasting.
Below initiate shared channel with UE respectively and set up in the process and UTRAN initiates shared channel and sets up in the process, how UE obtains that to set up the required UE shared channel configuration information of UE shared channel be example explanation the present invention.
Fig. 4 sets up in the process for the present invention initiates shared channel at UE, and UE obtains the flow chart of setting up the required UE shared channel configuration information of UE shared channel, and its concrete steps are:
Whether step 400, UE can receive the shared channel configuration information of the sub-district of broadcasting by SIB17 according to the communications status of the condition judgment current UE that sets in advance, and correspondingly the sign that whether can receive SIB17 are set;
As: in the time receiving, what SIB17 was set is designated 1; In the time of can not receiving, what SIB17 was set is designated 0;
After step 402, UTRAN receive this message, distribute shared channel in sub-district for this UE, the sign of carrying according to this message judges that UE is current and whether can receive SIB17, if, execution in step 403; Otherwise, execution in step 404;
Set up the time started that comprised the UE shared channel in the required UE shared channel configuration information of UE shared channel and duration, power control information, time slot and sign indicating number, complete TFS and TFCS information, in a word, according to setting up the required UE shared channel configuration information of UE shared channel, do not need the auxiliary of other information just can set up the UE shared channel.
Fig. 5 sets up in the process for the present invention initiates shared channel at UTRAN, and UE obtains the flow chart of setting up the required UE shared channel configuration information of UE shared channel, and its concrete steps are:
After step 501, UE received this message, whether UE can receive shared channel configuration information by the sub-district of SIB17 broadcasting according to current self the communications status of the condition judgment that sets in advance, if, execution in step 502; Otherwise, execution in step 503;
The UE shared channel configuration information that definite UE shared channel that step 502, UE carry according to this message is required and at the shared channel configuration information of the sub-district that SIB17 broadcasted, determine self will set up the required UE shared channel configuration information of shared channel, set up the shared channel of self;
The sign that whether can receive SIB17 that is provided with among Fig. 4, can also be set to whether can receive the information of SIB17, as long as after this information was carried at and sends to UTRAN among the PUSCH CAPACITY REQUEST, whether UTRAN can draw UE according to this information can receive that SIB17 gets final product.Equally, carry the PHYSICAL SHARE CHANNELINFO REQUEST of the sign that can not receive SIB17 among Fig. 5, can also be for carrying the PHYSICALSHARE CHANNEL INFO REQUEST of the information that can not receive SIB17, as long as after carrying the PHYSICAL SHARECHANNEL INFO REQUEST of this information and sending to UTRAN, UTRAN can draw UE according to this information can not receive that SIB17 gets final product.
By method provided by the invention, when UE can't receive SIB17, UTRAN can send to UE with intactly setting up the required UE shared channel configuration information of UE shared channel, and UE sets up the UE shared channel according to this information.Thereby avoided owing to do not receive the shared channel information of the sub-district of transmitting by SIB17, and can't be only according to determining that the required UE shared channel configuration information of UE shared channel set up the problem of shared channel.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of method of reseptance of shared channel configuration information is characterized in that, this method comprises:
A, user equipment (UE) send the shared channel request message for universal mobile telecommunications system grounding wireless access network network UTRAN, and this message is carried the information whether expression UE can receive system message SIB17;
Whether B, UTRAN judge according to this information that UE is current can receive SIB17, if definite required UE shared channel configuration information of UE shared channel is sent to UE; Otherwise, send to UE with setting up the required UE shared channel configuration information of UE shared channel.
2, the method for claim 1 is characterized in that, step B is described will determine that the required UE shared channel configuration information of UE shared channel sends to UE after, also comprise:
UE constitutes and sets up the required UE shared channel configuration information of UE shared channel according to the shared channel configuration information of required UE shared channel configuration information of definite UE shared channel of receiving and the sub-district by SIB17 broadcasting, sets up the UE shared channel;
To set up after the required UE shared channel configuration information of UE shared channel sends to UE in that step B is described, also comprise:
UE sets up the UE shared channel according to setting up the required UE shared channel configuration information of UE shared channel.
3, the method for claim 1 is characterized in that, at UE the condition that can receive SIB17 is set in advance, before steps A, also comprises:
A1, UE judge whether the communications status of current UE satisfies the condition that is provided with, if, then be judged to be and can receive SIB17, the information that expression can receive SIB17 is set; Otherwise, then be judged to be and can not receive SIB17, the information that expression can not receive SIB17 is set.
4, the method for claim 1 is characterized in that, at UE the condition that can receive SIB17 is set in advance, and before steps A, this method also comprises:
A11, UTRAN send to UE and determine the required UE shared channel configuration information of UE shared channel;
A12, UE judge whether the communications status of current UE satisfies the condition that is provided with, if, then be judged to be and can receive SIB17, receive the UE shared channel configuration information that this determines that the UE shared channel is required, finish; Otherwise, then being judged to be and can not receiving SIB17, setting can not receive SIB17 information.
5, as claim 3 or 4 described methods, it is characterized in that, describedly at UE the condition can receive SIB17 be set and be:
UE current on the main carrier frequency of sub-district transceive data; Perhaps UE current on the assistant carrier frequency of sub-district transceive data, UE has not been TS0 at the dedicated channel time slot that assistant carrier frequency distributes; Perhaps UE current on the assistant carrier frequency of sub-district transceive data and UE be TS0 at the dedicated channel time slot that assistant carrier frequency distributes, according to the quality of service qos requirement of this data service, UE stops by the dedicated channel transceive data, then receives SIB17; Perhaps UE can receive the data of receiving and dispatching on two carrier frequency simultaneously.
As claim 1 or 4 described methods, it is characterized in that 6, the required UE shared channel configuration information of described definite UE shared channel is carried on the Physical Shared Channel assignment messages PHYSICAL SHAREDCHANNEL ALLOCATION and sends.
7, the method for claim 1 is characterized in that, the required UE shared channel configuration information of the described UE of foundation shared channel of step B is carried on the PHYSICAL SHARED CHANNELALLOCATION and sends.
8, the method for claim 1, it is characterized in that the described shared channel request message of steps A is up shared physical channel requests for capacity PUSCH CAPACITY REQUEST message or Physical Shared Channel request for allocation PHYSICAL SHARE CHANNEL INFO REQUEST message.
9, the method for claim 1, it is characterized in that the required UE shared channel configuration information of the described UE of foundation shared channel of step B comprises: the time started of UE shared channel and duration, time slot and sign indicating number, power control information and transport format combination set TFCS.
10, the method for claim 1 is characterized in that, the information whether described expression UE can receive SIB17 is the sign whether UE can receive SIB17.
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| CN2004100916885A CN100407859C (en) | 2004-11-30 | 2004-11-30 | Receiving method for shared channel configuration information |
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| CN2004100916885A CN100407859C (en) | 2004-11-30 | 2004-11-30 | Receiving method for shared channel configuration information |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123121A (en) * | 2010-01-07 | 2011-07-13 | 中兴通讯股份有限公司 | Multi-carrier communication system and system message updating method thereof |
| CN101383987B (en) * | 2007-09-05 | 2011-07-27 | 鼎桥通信技术有限公司 | Method for notifying receiver configuration information of shared downlink public service channel |
| CN101442818B (en) * | 2008-12-31 | 2012-07-18 | 中兴通讯股份有限公司 | Indication method for large bandwidth system physical ascending control channel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7054286B2 (en) * | 2000-10-27 | 2006-05-30 | L-3 Communications Corporation | Bandwidth allocation and data multiplexing scheme for direct sequence CDMA systems |
| GB2377343B (en) * | 2001-07-06 | 2006-03-01 | Ipwireless Inc | System and method for physical shared channel allocation in a wireless communication system |
| GB2380366B (en) * | 2001-08-14 | 2003-11-12 | Samsung Electronics Co Ltd | Method for transmitting and receiving common information in a cdma communication system hsdpa service |
| KR100547845B1 (en) * | 2002-02-07 | 2006-01-31 | 삼성전자주식회사 | Apparatus and method for transmitting and receiving serving high speed common control channel set information in communication system using high speed forward packet access method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383987B (en) * | 2007-09-05 | 2011-07-27 | 鼎桥通信技术有限公司 | Method for notifying receiver configuration information of shared downlink public service channel |
| CN101442818B (en) * | 2008-12-31 | 2012-07-18 | 中兴通讯股份有限公司 | Indication method for large bandwidth system physical ascending control channel |
| CN102123121A (en) * | 2010-01-07 | 2011-07-13 | 中兴通讯股份有限公司 | Multi-carrier communication system and system message updating method thereof |
| CN102123121B (en) * | 2010-01-07 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of method of multi-carrier communications systems and system message update thereof |
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| CN100407859C (en) | 2008-07-30 |
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