CN101964946A - Service data receiving method and system - Google Patents
Service data receiving method and system Download PDFInfo
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- CN101964946A CN101964946A CN2009101576366A CN200910157636A CN101964946A CN 101964946 A CN101964946 A CN 101964946A CN 2009101576366 A CN2009101576366 A CN 2009101576366A CN 200910157636 A CN200910157636 A CN 200910157636A CN 101964946 A CN101964946 A CN 101964946A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
The invention discloses a service data receiving method and a service data receiving system. The method comprises the following steps of: determining resource occupation information of control information in a sub-frame to be received by using a receiving end; determining the resource occupation information of service data in the sub-frame according to the resource occupation information of the control information; and receiving and analyzing the service data. By adopting a service receiving method and a service receiving system provided by the invention, the service data of a multimedia broadcast multicast service (MBMS) in a current long term evolution (LTE) R9 system can be received effectively without trying to analyze the service data blindly by using the receiving end or modifying a conventional transmitting end protocol.
Description
Technical field
The present invention relates to LTE (Long Term Evolution, Long Term Evolution) systems technology field, be particularly related to the method for reseptance and the system of a kind of multimedia broadcast multicast services (Multimedia Broadcast Multicast Service is called for short MBMS) business datum.
Background technology
Along with the fast development of Internet (internet) and popularizing of large-screen multi-functional mobile phone, a large amount of mobile data multimedia services and various high bandwidth multimedia service have appearred, for example, video conference, television broadcasting, video request program, advertisement, online education, interactive game etc. also bring new business growth point for mobile operator in the business demand that satisfies the continuous upgrading of mobile subscriber.These mobile data multimedia services require a plurality of users can receive identical data simultaneously, compare with general data service, have characteristics such as data volume is big, longer duration, delay sensitive.
In order to effectively utilize mobile network resource, third generation partner program (3rd GenerationPartnership Project, abbreviate 3GPP as) the MBMS business proposed, this business is a kind of technology that transmits data from a data source to a plurality of targets, realize sharing of network (comprising core net and Access Network) resource, improved the utilance of Internet resources (especially air interface resource).The MBMS of 3GPP definition not only can realize the classes of messages broadcasting and the multicast of plain text low rate, but also can realize the broadcasting and the multicast of high-speed multimedia business, multiple rich video, audio frequency and multimedia service are provided, this has complied with the trend of following mobile data development undoubtedly, for the development of 3G (3rd Generation, 3G (Third Generation) Moblie technology) provides better professional prospect.
At present, in LTE, the MBMS business can adopt the mixed carrier mode to send, and the mixed carrier mode is meant that unicast service (Unicast) and multicast service (MBMS business) send on same carrier wave in time-multiplexed mode, and time-multiplexed least unit is a subframe.In LTE, by SIB2 (SystemInformation Block, system information block) in about MBSFN (Multimedia Broadcastmulticast service Single Frequency Network, multicast single frequency network)-subframe of the information configuration of SubframeConfiguration is called as the MBSFN subframe, the main effect of MBSFN subframe is used for the MBMS transmission business, but not every MBSFN subframe all is used for carrying the MBMS business.The characteristics of the MBSFN subframe among the LTE R9 are so far, use extended cyclic prefix (Extended cyclic prefix), 1 or 2 OFDM in front (Orthogonal Frequency Division Multiplexing wherein, OFDM) symbol is used to carry the control information of unicast service, promptly as PDCCH (Physical Downlink Control CHannel, Physical Downlink Control Channel), be used to the receiving terminal of unicast service to serve, it doesn't matter with the MBMS business, and the receiving terminal that therefore receives the MBMS business does not need to receive.The OFDM symbolic number that might take the PDCCH in the MBSFN subframe later on increases.For the MBSFN subframe that is used to send the MBMS business, to remove outside the OFDM sign resources that PDCCH takies, remaining OFDM sign resources is used for transferring MBMS service data.Since unicast traffic data not on the residue OFDM symbol, but send the MBMS business datum, so after the clean culture receiving terminal has received the PDCCH of this MBSFN subframe, no longer receive the data on the OFDM symbol of back; And the professional receiving terminal of MBMS does not receive the PDCCH on the OFDM symbol of front, directly receives MBMS business datum on the OFDM symbol of back.
There are the following problems in the reception of the MBMS business datum in the LTE R9 system at present: because receiving terminal be can not determine the resource situation that business datum to be received takies, when receiving, can blindly attempt resolving business datum, cause the business datum that receives invalid because of decoding error easily.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of reseptance and system of business datum, makes receiving terminal receive and to resolve business datum according to the resource situation of determining that business datum takies that will receive.
In order to address the above problem, the invention provides a kind of method of reseptance of business datum, comprising:
Receiving terminal determines to wait to receive the resource occupation information of subframe inner control information;
Determine the resource occupation information of business datum in the described subframe according to the resource occupation information of described control information;
Receive and resolve described business datum.
Further, described control information is a physical downlink control channel PDCCH, and the resource occupation information of described control information is meant the orthogonal frequency division multiplex OFDM symbolic number that takies described subframe.
Further, the resource occupation information of described business datum is meant OFDM symbolic number or the interior part resource of OFDM symbol that takies described subframe.
Further, described receiving terminal determines to wait to receive the resource occupation information of subframe inner control information in the following way:
Receive and resolve the information on the Physical Control Format Indicator Channel PCFICH in first OFDM symbol of each described subframe, with the OFDM symbolic number of determining that described PDCCH takies.
Further, described receiving terminal determines to wait to receive the resource occupation information of subframe inner control information in the following way:
The information of the OFDM symbolic number that takies by the described PDCCH of the indication that comprises in the high-level signaling that receives is with the OFDM symbolic number of determining that described PDCCH takies.
Further, described high-level signaling comprises dynamic scheduling information, multicast control channel MCCH information or the BCCH channel of broadcast control information of multimedia broadcast multicast services MBMS business.
Further, described resource occupation information according to described control information determines that the step of the resource occupation information of business datum in the described subframe further comprises:
Whether described subframe in have important system message, if do not have, then the total OFDM symbolic number with described subframe deducts the OFDM symbolic number that described PDCCH takies, and promptly obtains the OFDM symbolic number that described business datum takies if judging; If have, after then total OFDM symbolic number of described subframe being deducted the OFDM symbolic number that described PDCCH takies, deduct the resource in OFDM symbolic number that described important system message takies or the OFDM symbol that takies again, obtain the resource occupation information of described business datum.
Further, described subframe comprises non-multicast single frequency network MBSFN subframe, or is used to carry the MBSFN subframe of MBMS business.
Further, described business datum comprises: MBMS business datum or positioning service data.
The present invention also provides a kind of receiving system of business datum, comprises resource occupation information unit and receiving element, wherein:
Described resource occupation information unit is used for, determine to wait to receive the resource occupation information of subframe inner control information, and after the resource occupation information according to business datum in the described subframe of resource occupation information calculations of described control information, the resource occupation information of described business datum is sent to described receiving element;
Described receiving element is used for, and receives and resolve described business datum.
Further, described control information is PDCCH, and the resource occupation information of described control information is meant the OFDM symbolic number that takies described subframe; The resource occupation information of described business datum is meant OFDM symbolic number or the interior part resource of OFDM symbol that takies described subframe;
Described resource occupation information unit is determined the OFDM symbolic number that described PDCCH takies in the following way:
Receive and resolve the information on the PCFICH in first OFDM symbol of each described subframe; Perhaps, the information of the OFDM symbolic number that takies by the described PDCCH of the indication that comprises in the high-level signaling that receives is with the OFDM symbolic number of determining that described PDCCH takies.
Further, described resource occupation information unit determines that according to the resource occupation information of described control information the step of the resource occupation information of business datum in the described subframe further comprises:
Whether described subframe in have important system message, if do not have, then the total OFDM symbolic number with described subframe deducts the OFDM symbolic number that described PDCCH takies, and promptly obtains the OFDM symbolic number that described business datum takies if judging; If have, after then total OFDM symbolic number of described subframe being deducted the OFDM symbolic number that described PDCCH takies, deduct the resource in OFDM symbolic number that described important system message takies or the OFDM symbol that takies again, obtain the resource occupation information of described business datum.
Further, described subframe comprises non-MBSFN subframe, or is used to carry the MBSFN subframe of MBMS business.
Further, described business datum comprises: MBMS business datum or positioning service data.
Adopt the present invention can realize effective reception of the MBMS business datum in the present LTE R9 system, do not need receiving terminal blindly to attempt resolving business datum, and do not need existing transmitting terminal agreement is made amendment.
Description of drawings
Fig. 1 is the schematic flow sheet of the business datum method of reseptance of the embodiment of the invention;
Fig. 2 is the composition schematic diagram of the business datum receiving system of the embodiment of the invention.
Embodiment
Core concept of the present invention is: in the LTE system, receiving terminal at first determines to wait to receive the occupation condition that is used for control information in the subframe, after determining the occupation condition of business datum in the subframe according to the occupation condition of control information again, business datum is received and resolves.
As shown in Figure 1, the present invention specifically adopts following technical scheme:
A) receiving terminal is determined to wait to receive the occupation condition that is used for control information in the subframe, is specially, and determines to wait to receive the OFDM symbol numbers that is used for control information (being PDCCH) in the subframe;
(the Physical Control Format Indicator CHannel of PCFICH in the subframe, Physical Control Format Indicator Channel) information on the channel is used to the OFDM symbolic number of indicating PDCCH to take, receiving terminal promptly can be identified for the OFDM symbol numbers of PDCCH by receiving and resolve the information of PCFICH channel.But receiving terminal does not receive the control information itself of resolving among the PDCCH, receives only the information of PCFICH channel and resolves.
In addition, can also indicate the information of the OFDM symbolic number that PDCCH takies on the MBSFN subframe of receiving terminal carrying MBMS business of (as 320ms) in some cycles by high-level signaling, for example, dynamic scheduling information (Dynamic Scheduling Information) by the MBMS business, MCCH (Multicast Control Channel, multicast control channel) information or BCCH (BroadcastControl Channel, Broadcast Control Channel) information contour level signaling, then receiving terminal receives the symbolic number of the OFDM that the MBSFN subframe PDCCH that can know carrying MBMS business in the some cycles behind the high-level signaling takies.
B) determine to wait to receive the occupation condition of business datum in the subframe, be specially, determine the OFDM symbolic number that business datum takies according to the OFDM symbolic number that PDCCH in the subframe of carrying MBMS business takies;
Wait to receive remove in the total OFDM symbol of subframe be used to send the OFDM symbol of PDCCH after, if carry important system message on the part resource in the remaining OFDM symbol, for example when BCCH information, pilot tone, then remove the resource that this part message takies again, residual resource is the resource that is used for service data transmission; If remaining OFDM symbol does not have above-mentioned BCCH system message, pilot tone in the subframe, then remaining OFDM symbol all is the resource that is used for service data transmission in the subframe;
C) receive and resolve business datum, be specially, after receiving business datum on the resource of bearer service data, to the data that receive operation such as decode, to obtain effective business datum.
Wherein, described business datum comprises MBMS business datum, positioning service (Positioning) data.
Below in conjunction with drawings and the specific embodiments technical solution of the present invention is described in further detail.
We suppose some necessary technology in order to cooperate embodiment, explain the notion that some are necessary, and the summary of the invention of being convenient to us is like this described, and following hypothesis is a kind of concrete situation, do not get rid of other and suppose similar situation.
The OFDM symbol of a subframe among the LTE is limited, and total OFDM symbolic number of the subframe of same type is fixed.When using extended cyclic prefix, in the subframe 12 OFDM symbols are arranged, when using standard cyclic prefix, in the subframe 14 OFDM symbols are arranged.Receiving terminal can obtain the Cyclic Prefix situation that this subframe is used by relevant information, so receiving terminal can be learnt the OFDM symbolic number altogether of each subframe.
In the LTE system, carrying PCFICH channel on first OFDM symbol of each subframe, the information of this PCFICH channel is to be used to indicate OFDM symbol numbers that PDCCH takies, the PCFICH channel of each sub-district is positioned at the fixed position on first OFDM symbol, this fixed position and sub-district ID (sign) have relation, because of sub-district ID different variant.In a word, terminal is the positional information that can know PCFICH channel in each subframe.
Embodiment one
Present embodiment has been described when the OFDM symbolic number of using PCFICH carrying PDCCH to take, and how receiving terminal receives the process of MBMS business datum in the data field of subframe.
According to prior art, in LTE R9, the MBMS business is carried in the MBSFN subframe, and at present agreement stipulates that 1 of the front of each MBSFN subframe or 2 OFDM symbolic numbers are that PDCCH uses, so that the normal transmission of unicast service.Like this, maximum 2 the OFDM symbols in the front of the MBSFN subframe of a carrying MBMS business send PDCCH, but unicast traffic data not on the residue OFDM symbol of back, but send the MBMS business datum.
In the present embodiment, suppose that receiving terminal need to have determined a certain MBMS business that receives, and further determined a series of MBSFN subframes at the professional place of this MBMS that then to receive the process of this MBMS business datum as follows for receiving terminal:
1, receiving terminal determines to be used in the MBSFN subframe to be received the OFDM symbolic number of PDCCH;
Receiving terminal can adopt following method to determine the OFDM symbolic number that PDCCH takies: the information of the PCFICH channel in first OFDM symbol of each MBSFN subframe that the receiving terminal reception is to be received, resolve wherein information, thereby know the OFDM symbolic number that PDCCH takies in this subframe.
Wherein, receiving terminal is continuing to receive the OFDM symbol data of back, because if receiving terminal does not receive follow-up OFDM symbol in resolving always when resolving PCFICH, then need time delay, can cause the OFDM symbol data of back to lose owing to resolve PCFICH.
In addition, the present invention can also notify receiving terminal to determine the OFDM symbol that PDCCH takies in the MBSFN subframe to be received by high-level signaling.Therefore, in other embodiments of the invention, receiving terminal can also be determined the OFDM symbolic number that PDCCH takies according to the high-level signaling that receives, thereby can know the OFDM symbolic number that is used for the MBMS business in the subframe indirectly, and needn't in each the MBSFN subframe that receives, determine the OFDM symbolic number that PDCCH takies in this subframe.
Hypothesis PDCCH takies 1 OFDM symbol in the present embodiment in this subframe.When PDCCH takies an OFDM symbol,, can be used for sending the MBMS business on the 2nd the OFDM symbol in order further to utilize resource.
2, receiving terminal is determined the symbolic number that business datum takies in the MBMS subframe to be received;
Receiving terminal is known MBSFN subframe use extended cyclic prefix according to the regulation of agreement, therefore has 12 OFDM symbols.Because the MBMS business datum is not used in carrying BCCH, therefore in the present embodiment, need not to consider whether important system message is arranged, like this, remove first OFDM outer symbol, 11 OFDM sign resources of this subframe back all are used to carry the MBMS business datum that receiving terminal is about to reception, if in 11 symbols in back the carrying pilot tone is arranged, then do not comprise the resource that pilot tone takies.
3, receiving terminal continues to receive the data on all interior OFDM symbols of this subframe, and the MBMS business datum of receiving according to the phase related control information butt joint of MBMS business is resolved at last, comprises channel estimating, decoding etc., finally obtains effective MBMS business datum.
Embodiment two
Present embodiment has been described when the OFDM symbolic number of using PCFICH carrying PDCCH to take, and how receiving terminal receives the process of positioning service data in the data field of subframe.
According to prior art, in LTE R9, positioning service uses the data field of whole subframe to carry, and does not send relevant control information in the control domain of this subframe.Therefore, the control domain of subframe has used the control domain (PDCCH) of several OFDM symbols as subframe on earth, must know for the receiving terminal that receives positioning service, because this directly has influence on the OFDM symbolic number that the back data field takies.
PCFICH is used to indicate the PDCCH of subframe to take several OFDM symbols, has informed indirectly also this sub-frame data territory is from which OFDM sign-on.
In the present embodiment, suppose that receiving terminal determined go up to receive positioning service data in a certain subframe (non-MBSFN subframe), and known it has been which subframe that then to receive the process of positioning service data as follows for receiving terminal:
1, receiving terminal determines to be used in the subframe to be received the OFDM symbolic number of PDCCH;
The information of the PCFICH channel in the 1st the OFDM symbol of receiving terminal reception subframe is resolved wherein information, thereby is known the OFDM symbolic number that PDCCH takies in this subframe.
Wherein, receiving terminal is continuing to receive the data of back OFDM symbol always when resolving PCFICH.
Hypothesis PDCCH takies 1 OFDM symbol in the present embodiment in this subframe.
2, receiving terminal determines to wait to receive the symbolic number that positioning service data takies in the subframe;
Receiving terminal deducts PDCCH by the total OFDM symbolic number of subframe and takies the OFDM symbolic number, and remaining OFDM is the OFDM symbol that positioning service data takies.In the OFDM symbol of these carrying positioning services, if important system message is arranged, BCCH for example, pilot tone then also will be removed the part resource that this part takies; If do not have important system message in the OFDM symbol of these carrying positioning services, then need not remove this part resource.
3, receiving terminal continues to receive the data on all interior OFDM symbols of this subframe, the positioning service data of receiving according to the phase related control information butt joint of positioning service data is resolved at last, comprises channel estimating, decoding etc., finally obtains effective positioning service data.
As shown in Figure 2, the receiving system of the business datum that the embodiment of the invention provides comprises resource occupation information unit and receiving element, wherein:
The resource occupation information unit is used for, determine to wait to receive the resource occupation information of subframe inner control information, and determine the resource occupation information of business datum in the subframe, and the resource occupation information of described business datum is sent to receiving element according to the resource occupation information of control information;
Receiving element is used for, and receives and resolve business datum.
Further, above-mentioned control information is meant PDCCH, and resource occupation information is meant the orthogonal frequency division multiplex OFDM symbolic number that takies described subframe, and the resource occupation information unit is determined the resource occupation information of business datum in the following way:
Receive and resolve the information on the PCFICH in first OFDM symbol of each subframe; Perhaps, the information of the OFDM symbolic number that takies by the described PDCCH of the indication that comprises in the high-level signaling that receives is with the OFDM symbolic number of determining that PDCCH takies;
Whether this subframe in have important system message, pilot tone, if do not have, then the total OFDM symbolic number with this subframe deducts the OFDM symbolic number that PDCCH takies, and promptly obtains the OFDM symbolic number that business datum takies if judging again; If have, then total OFDM symbolic number of this subframe is deducted the OFDM symbolic number that PDCCH takies after, deduct the resource that this important system message, pilot tone take again in the OFDM symbol, promptly obtain the resource that described business datum takies.
This receiving system can be applicable to the receiving terminal of MBMS business etc.
Certainly, the present invention also can have other various embodiments, for example, described subframe is except that the MBSFN subframe, also can comprise other non-MBSFN subframes, the PCFICH of multicast service subframe is present in the subframe in first OFDM symbol, and total OFDM symbolic number of multicast service subframe also is relatively-stationary, is 12 or 14.Be applied to MBMS business and positioning service among the present invention for example, but be not limited to this two classes business.Therefore, flow process of the present invention is suitable equally.Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (14)
1. the method for reseptance of a business datum is characterized in that, comprising:
Receiving terminal determines to wait to receive the resource occupation information of subframe inner control information;
Determine the resource occupation information of business datum in the described subframe according to the resource occupation information of described control information;
Receive and resolve described business datum.
2. the method for claim 1 is characterized in that,
Described control information is a physical downlink control channel PDCCH, and the resource occupation information of described control information is meant the orthogonal frequency division multiplex OFDM symbolic number that takies described subframe.
3. the method for claim 1 is characterized in that, the resource occupation information of described business datum is meant OFDM symbolic number or the interior part resource of OFDM symbol that takies described subframe.
4. method as claimed in claim 2 is characterized in that,
Described receiving terminal determines to wait to receive the resource occupation information of subframe inner control information in the following way:
Receive and resolve the information on the Physical Control Format Indicator Channel PCFICH in first OFDM symbol of each described subframe, with the OFDM symbolic number of determining that described PDCCH takies.
5. method as claimed in claim 2 is characterized in that,
Described receiving terminal determines to wait to receive the resource occupation information of subframe inner control information in the following way:
The information of the OFDM symbolic number that takies by the described PDCCH of the indication that comprises in the high-level signaling that receives is with the OFDM symbolic number of determining that described PDCCH takies.
6. method as claimed in claim 5 is characterized in that,
Described high-level signaling comprises dynamic scheduling information, multicast control channel MCCH information or the BCCH channel of broadcast control information of multimedia broadcast multicast services MBMS business.
7. as claim 4,5 or 6 described methods, it is characterized in that,
Described resource occupation information according to described control information determines that the step of the resource occupation information of business datum in the described subframe further comprises:
Whether described subframe in have important system message, if do not have, then the total OFDM symbolic number with described subframe deducts the OFDM symbolic number that described PDCCH takies, and promptly obtains the OFDM symbolic number that described business datum takies if judging; If have, after then total OFDM symbolic number of described subframe being deducted the OFDM symbolic number that described PDCCH takies, deduct the resource in OFDM symbolic number that described important system message takies or the OFDM symbol that takies again, obtain the resource occupation information of described business datum.
8. as claim 1,2,3,4,5 or 6 described methods, it is characterized in that,
Described subframe comprises non-multicast single frequency network MBSFN subframe, or is used to carry the MBSFN subframe of MBMS business.
9. method as claimed in claim 7 is characterized in that,
Described business datum comprises: MBMS business datum or positioning service data.
10. the receiving system of a business datum is characterized in that, comprises resource occupation information unit and receiving element, wherein:
Described resource occupation information unit is used for, determine to wait to receive the resource occupation information of subframe inner control information, and after the resource occupation information according to business datum in the described subframe of resource occupation information calculations of described control information, the resource occupation information of described business datum is sent to described receiving element;
Described receiving element is used for, and receives and resolve described business datum.
11. system as claimed in claim 10 is characterized in that,
Described control information is PDCCH, and the resource occupation information of described control information is meant the OFDM symbolic number that takies described subframe; The resource occupation information of described business datum is meant OFDM symbolic number or the interior part resource of OFDM symbol that takies described subframe;
Described resource occupation information unit is determined the OFDM symbolic number that described PDCCH takies in the following way:
Receive and resolve the information on the PCFICH in first OFDM symbol of each described subframe; Perhaps, the information of the OFDM symbolic number that takies by the described PDCCH of the indication that comprises in the high-level signaling that receives is with the OFDM symbolic number of determining that described PDCCH takies.
12. system as claimed in claim 11 is characterized in that,
Described resource occupation information unit determines that according to the resource occupation information of described control information the step of the resource occupation information of business datum in the described subframe further comprises:
Whether described subframe in have important system message, if do not have, then the total OFDM symbolic number with described subframe deducts the OFDM symbolic number that described PDCCH takies, and promptly obtains the OFDM symbolic number that described business datum takies if judging; If have, after then total OFDM symbolic number of described subframe being deducted the OFDM symbolic number that described PDCCH takies, deduct the resource in OFDM symbolic number that described important system message takies or the OFDM symbol that takies again, obtain the resource occupation information of described business datum.
13. as claim 10,11 or 12 described systems, it is characterized in that,
Described subframe comprises non-MBSFN subframe, or is used to carry the MBSFN subframe of MBMS business.
14. system as claimed in claim 13 is characterized in that,
Described business datum comprises: MBMS business datum or positioning service data.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910157636.6A CN101964946B (en) | 2009-07-21 | 2009-07-21 | Service data receiving method and system |
| PCT/CN2010/074098 WO2011009354A1 (en) | 2009-07-21 | 2010-06-18 | Method and system for receiving service data |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910157636.6A CN101964946B (en) | 2009-07-21 | 2009-07-21 | Service data receiving method and system |
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| CN101964946A true CN101964946A (en) | 2011-02-02 |
| CN101964946B CN101964946B (en) | 2015-07-22 |
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| WO2007036116A1 (en) * | 2005-09-29 | 2007-04-05 | Huawei Technologies Co., Ltd. | A multiple method and system of broadcast service channel and unicast service channel |
| CN101325684A (en) * | 2007-06-14 | 2008-12-17 | 中兴通讯股份有限公司 | Method and system for transmitting ciphering control message based on mobile multimedia broadcast |
| CN101483510A (en) * | 2008-01-07 | 2009-07-15 | 大唐移动通信设备有限公司 | Notification method and apparatus for uplink and downlink time slot proportion information in time division duplex system |
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| CN1933379A (en) * | 2005-09-13 | 2007-03-21 | 华为技术有限公司 | Broadcasting business distributing method and system |
| CN100578980C (en) * | 2008-03-05 | 2010-01-06 | 北京创毅视讯科技有限公司 | Document receiving method of mobile multimedia broadcasting system |
| CN101309120B (en) * | 2008-04-17 | 2010-12-08 | 中兴通讯股份有限公司 | Method and apparatus for terminal acquiring decrypt and de-disturbing information |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007036116A1 (en) * | 2005-09-29 | 2007-04-05 | Huawei Technologies Co., Ltd. | A multiple method and system of broadcast service channel and unicast service channel |
| CN101325684A (en) * | 2007-06-14 | 2008-12-17 | 中兴通讯股份有限公司 | Method and system for transmitting ciphering control message based on mobile multimedia broadcast |
| CN101483510A (en) * | 2008-01-07 | 2009-07-15 | 大唐移动通信设备有限公司 | Notification method and apparatus for uplink and downlink time slot proportion information in time division duplex system |
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| CN101964946B (en) | 2015-07-22 |
| WO2011009354A1 (en) | 2011-01-27 |
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