CN101931879B - A kind of transmission method of multicast control channel information and equipment thereof - Google Patents
A kind of transmission method of multicast control channel information and equipment thereof Download PDFInfo
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- CN101931879B CN101931879B CN200910150609.6A CN200910150609A CN101931879B CN 101931879 B CN101931879 B CN 101931879B CN 200910150609 A CN200910150609 A CN 200910150609A CN 101931879 B CN101931879 B CN 101931879B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of transmission method and equipment thereof of multicast control channel MCCH information, relate to LTE system.The inventive method comprises: network side, in the process issuing MBMS, only when each MBMS session start, sends a notification message to subscriber equipment, with notifying user equipment session start; Described subscriber equipment only reads MCCH information after receiving the notice of session start.Technical solution of the present invention greatly reduces because UE to be read the number of times of MCCH message further by false wakeups, and saves the electric energy of UE.
Description
Technical field
The present invention relates to LTE (Long Term Evolution, Long Term Evolution) system, particularly the transmission method of a kind of multicast control channel (Multicast Control Channel, MCCH) information and equipment thereof.
Background technology
Along with the fast development of Internet and the universal of large-screen multi-functional mobile phone, a large amount of Mobile data multimedia service and various high bandwidth multimedia service are there is, such as, video conference, television broadcasting, video request program, advertisement, online education, interactive game etc., this meets the business demand that mobile subscriber constantly rises on the one hand, simultaneously also for mobile operator brings new business growth point.The multiple user of these Mobile data multimedia service requirements can receive identical data simultaneously, compared with general data service, has the features such as data volume is large, duration length, delay sensitive.
In order to effectively utilize mobile network resource, third generation partner program (3rd GenerationPartnership Project, referred to as 3GPP) propose multimedia broadcast multi-broadcasting business (MultimediaBroadcast Multicast Service, MBMS) business, this business is a kind of technology transmitting data from a data source to multiple target, achieve sharing of network (comprising core net and Access Network) resource, improve the utilance of Internet resources (especially air interface resource).The MBMS of 3GPP definition can not only realize classes of messages multicast and the broadcast of plain text low rate, but also broadcast and the multicast of high-speed multimedia service can be realized, multiple abundant video, audio frequency and multimedia service are provided, this has complied with the trend of following Mobile data development undoubtedly, and the development for 3G provides better business prospect.
In LTE, Logical Traffic Channels (the Multicast traffic Channel of MBMS, MTCH) and MCCH can adopt MBSFN (Multicast/Broadcast over Single FrequencyNetwork, multicast/multicast single-frequency network network) sending mode, adopt the MBMS of this sending mode also referred to as MBSFN business, adopt MTCH and MCCH of MBSFN sending mode, namely MTCH and MCCH of MBMS multiple cell transmission is adopted can to adopt identical modulating-coding form in multiple community, adopt identical physical resource generation identical content, the feature of MBMS multiple cell transmission: 1) transmit in the inter-sync of MBSFN region, 2) support that multiple cell MBMS transmission merges, 3) MTCH and MCCH is mapped on MCH (Multicast Chnanel, Multicast Channel) transmission channel under p-t-m (point-to-multipoint) pattern, 4) MBSFN retaining zone, MBSFN region, MBSFN transmission, advertisement and reservation community are by the semi-static configuration of Operation and Maintenance.UE (the Userequipment of multiple like this community, subscriber equipment) the identical MBMS data of multiple content (comprising MTCH and MCCH) can be received and carry out SFN (VON voice network) merging, thus the gain of Received signal strength can be improved.Adopt identical physical resource and constitute a MBSFN region with multiple communities of MBSFN sending mode transmission same MBMS business.In the LTE networking of reality, a MBSFN region comprises multiple community, possess the data channel MTCH of multiple MBSFN business in identical MBSFN region, and the control channel MCCH of MBSFN business can be multiplexed into a MCH.The MCCH in identical MBSFN region and multiple MTCH, namely many logic channels can be mapped on same transmission channel MCH;
MCCH carries the control signal of MBMS, carry the configuration information of all MTCH in the message on MCCH, UUE can read the MTCH configuration information on MCCH, to find which resource interested MTCH is configured in.Therefore, the UE in community, in order to read the MBMS on MTCH, first must read MCCH.The MCCH transmission cycle comprises the MCCH repetition period and MCCH revises the cycle, the MCCH message after the MCCH cycle of revising can send renewal, and repeatedly can only send identical MCCH message in the MCCH repetition period.
In LTE, the transmission MCCH of the control signal MCCH of MBMS can send by single cell pattern, be mapped to DSCH Downlink Shared Channel (DL-SCH, Downlink Shared Channel) upper transmission, and be finally mapped to physical channel PDSCH (Physical Downlink Shared channel, Physical Downlink Shared Channel) on, MBSFN merging is not carried out with adjacent cell, also multiple cell pattern can be adopted to send, be mapped on MCH and transmit, and be finally mapped on physical channel PMCH (Physical Multicast Channel), and adjacent cell carries out MBSFN merging.In LTE Release 9 (version 9), MCCH only has 1, and is carried on as MTCH on MCH, also finally as MTCH is carried on PMCH, in a MBSFN region, MCCH message carries the control information of all MBSFN business.
At present, network side, such as Node B (Node B), eNB (Evolved Node B, the Node B improved), RNC (radio network controller, radio network controller), relay node (via node), UTRAN (Universal Terrestrial Radio Access Network, universal land radio access web), E-UTRAN (Evolved Universal Terrestrial Radio AccessNetwork, the universal land radio access web improved) and E-UTRA (Evolved UniversalTerrestrial Radio Access, the general land wireless access improved) etc., MBMS informing mechanism (MBMS Notification mechanism) can be configured, namely when MCCH information updating, network side configuration MBMS Notification, like this, UE can periodically receive MCCH message, only monitoring MCCH Notification, when the MCCH Notification only monitored indicating the content update in MCCH message, UE just can receive MCCH message further.
In LTE, MBMS notice (MBMS Notification) mechanism of network side configuration, the control domain at some unicast sub-frame can be adopted, namely the Network Temporary Identifier RNTI (RadioNetwork Temporary Identifier) of a MCCH is configured in physical downlink control channel PDCCH (PhysicalDownlink Control Channel), namely MCCH-RNTI, identifies MBMSNotification; Also can configure a specific identifier and identify MBMSNotification on PDCCH.Accordingly, UE is according to the principle of arranging in advance, and monitoring may carry the subframe of MCCHNotification, such as, each control information unit possible in the control domain of some unicast sub-frame of UE blind check, and judge whether the RNTI in unicast sub-frame control domain is MCCH-RNTI.If so, then represent that MCCH message has renewal, UE will read MCCH message further, if not, then represent MCCH message, UE does not need to read MCCH message.And for UE, it can only monitor MBMS Notification, only have when monitoring MBMS Notification, UE just can read MCCH information further.
Wherein, each MBMS has session start (session start), session updates (sessionupdated), conversation end (session stop), also likely comprises the change of the MTCH configuration parameter of this MBMS.Because there is multiple MBMS in each MBSFN region, namely many MTCH are had, with a MCCH, the session start of each MBMS, conversation end or the change of MTCH configuration parameter can cause the renewal of MCCH message, so, the update times of MCCH message can be very many, and can only could send in the MCCH cycle of revising the MCCH message upgraded.Can find out like this, the renewal of each MCCH message all can configure MBMSNotification on unicast sub-frame, thus causes the occurrence number of MBMS Notification very many.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of transmission method and equipment thereof of multicast control channel information, thus reduces the number of times that UE reads MCCH message.
In order to solve the problems of the technologies described above, the invention discloses a kind of transmission method of MCCH information, comprising:
Network side, in the process issuing MBMS, only when each MBMS session start, sends a notification message to subscriber equipment, with notifying user equipment session start; Described subscriber equipment only reads MCCH information after receiving the notice of session start;
After subscriber equipment reads MCCH information, if judge, the MBMS in the MCCH information read is consistent with the MBMS that user selects in advance, then on the MTCH of this MBMS, receive data;
When subscriber equipment receives data on described MTCH, also read MCCH message in the MCCH cycle of revising.
Further, in said method, described notification message is MBMS notification message or MCCH notification message.
Described subscriber equipment reads described MCCH message in each MCCH cycle of revising, or described subscriber equipment reads described MCCH information at interval of one or more MCCH cycle of revising.
The invention also discloses a kind of subscriber equipment for receiving MCCH information, comprising interconnective monitoring modular and receiving processing module, wherein:
Described monitoring modular, for the Real-Time Monitoring notification message that only network equipment sends when each MBMS session start, and is sent to described receiving processing module by monitored notification message;
Described receiving processing module, for after the notification message receiving the transmission of described monitoring modular, read MCCH message, if judge, the MBMS in described MCCH message is consistent with the MBMS that user selects in advance, then on the MTCH of this MBMS, receive data;
When MTCH receives data, also for revising cycle reading MCCH information at MCCH.
Further, in above-mentioned subscriber equipment, described is MBMS notification message or MCCH notification message for notification message.
Technical solution of the present invention greatly reduces because UE to be read the number of times of MCCH message further by false wakeups, and saves the electric energy of UE.
Accompanying drawing explanation
Fig. 1 is network equipment structural representation in the present embodiment;
Fig. 2 is user device architecture schematic diagram in the present embodiment;
Fig. 3 is the flow chart transmitting MCCH information in the present embodiment.
Embodiment
Central scope of the present invention is, network side can only when the session start of each MBMS, issue a notification message, with notifying user equipment session start, particularly, this notification message can be MBMS Notification or MCCH Notification, like this, after user equipment monitors to notification message, as long as determine that the MBMS session that this notification message notifies is identical with the interested MBMS of user, then start to receive data on the MTCH of this MBMS, and read MCCH message in the MCCH cycle of revising, thus greatly reduce the number of times that UE reads MCCH message.
Below in conjunction with drawings and the specific embodiments, technical solution of the present invention is described in further detail.
For transmitting a network equipment for multicast control channel information, can be Node B, RNC, relay node, UTRAN, E-UTRAN or E-UTRA etc., its structure as shown in Figure 1, at least comprises interconnective trigger module and processing module.Introduce the function of each module below.
Trigger module, for when the session start of each MBMS, sends the transmitting order to lower levels of this MBMS to processing module;
Processing module, for receiving the transmitting order to lower levels that trigger module sends, and according to this transmitting order to lower levels, notification message transmission is with notifying user equipment session start, preferably, this notification message is MBMSNotification or MCCH Notification, wherein, conventionally, the Network Temporary Identifier RNTI of MCCH can be configured to identify MBMS Notification information in PDCCH; Or in PDCCH, configure unique identifier to identify MBMS Notification information.
A kind of user equipment (UE), as shown in Figure 2, at least comprises interconnective monitoring modular and receiving processing module.Each functions of modules is described below:
Monitoring modular, for Real-Time Monitoring notification message, and is sent to receiving processing module by monitored notification message;
In the present embodiment, notification message is MBMS Notificationa or MCCHNotificationa.
Receiving processing module, for after the notification message receiving monitoring modular transmission, read MCCH message, if judge, the MBMS in the MCCH message read is consistent with the MBMS that user selects in advance, then on the MTCH of this MBMS, receive data, and read the MCCH message of this MBMS, to determine whether this MBMS is updated;
Wherein, receiving processing module can revise the cycle at each MCCH, or the MCCH cycle of revising at interval of one or more reads MCCH message, and wherein, MCCH message comprises MCCH more fresh content and/or MCCH not more fresh content.
The following detailed description of the process transmitting MCCH information between above-mentioned network equipment and subscriber equipment, as shown in Figure 3, comprise the following steps:
Step 300: network side is broadcasted in multicast service MBMS process, only when the session start of each MBMS, to subscriber equipment notification message transmission, with notifying user equipment session start at transmitting multimedia;
In a preferred embodiment, this notification message is MBMS Notification or MCCHNotification, when notification message adopts MBMS Notification, network side conventionally, the control domain PDCCH of unicast sub-frame can configure MCCH-RNTI to identify MBMSNotification information; Or on PDCCH, configure specific identifier to identify MBMSNotification information.
The above-mentioned notification message of step 301:UE Real-Time Monitoring;
Step 302: when UE monitors notification message, reads MCCH message according to this notification message;
Step 303:UE judges that whether MBMS in the MCCH message read (i.e. notification message notify MBMS) is consistent with the MBMS that user selects in advance, if so, enters step 304, otherwise returns step 301;
In this step, the MBMS that user selects in advance is the interested MBMS of user, and wherein, user can determine that from the service statement received by UE which MBMS is its interested MBMS.
Step 304:UE receives data from the MTCH of this MBMS, and reads MCCH message to determine whether this MBMS is updated in the MCCH cycle of revising, and wherein, the MCCH message that UE reads comprises MCCH more fresh content and/or MCCH not more fresh content;
In this step, UE can read MCCH updating message in the MCCH cycle of revising, also one or several MCCH of interval cycle of revising MCCH updating message can be read, like this, when MCCH message occurs to upgrade, UE just can know whether the configuration of this MBMS changes or sessionstop or session updated in time.
As can be seen from above-described embodiment, technical solution of the present invention is only when the sessionstart of certain MBMS, just meeting notification message transmission, and after UE receives notification message, also only when this MBMS is the business interested to user, receive MTCH and the MCCH message of this MBMS more further, thus greatly reduce because UE to be read the number of times of MCCH message further by false wakeups, and save the electric energy of UE.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., within the protection range that all should be included in the claim appended by the present invention.
Claims (5)
1. the transmission method of multicast control channel MCCH information in LTE system, comprising:
Network side, in the process of transmitting multimedia broadcast multicast MBMS services, only when each MBMS session start, sends a notification message to subscriber equipment, with notifying user equipment session start; Described subscriber equipment only reads MCCH information after receiving the notice of session start;
After subscriber equipment reads MCCH information, if judge, the MBMS in the MCCH information read is consistent with the MBMS that user selects in advance, then on the Logical Traffic Channels MTCH of this MBMS, receive data;
When subscriber equipment receives data on MTCH, also read MCCH information in the MCCH cycle of revising.
2. the method for claim 1, is characterized in that,
Described notification message is MBMS notification message or MCCH notification message.
3. the method for claim 1, is characterized in that,
Described subscriber equipment reads described MCCH message in each MCCH cycle of revising, or described subscriber equipment reads described MCCH message at interval of one or more MCCH cycle of revising.
4. in LTE system for receiving a subscriber equipment for multicast control channel MCCH information, it is characterized in that, comprise interconnective monitoring modular and receiving processing module, wherein:
Described monitoring modular, for the Real-Time Monitoring notification message that only network equipment sends when each MBMS session start, and is sent to described receiving processing module by monitored notification message;
Described receiving processing module, for after the notification message receiving the transmission of described monitoring modular, read MCCH message, if judge, the multimedia broadcast multicast MBMS in described MCCH message is consistent with the MBMS that user selects in advance, then on the Logical Traffic Channels MTCH of this MBMS, receive data; When described MTCH receives data, read MCCH information in the MCCH cycle of revising.
5. subscriber equipment as claimed in claim 4, is characterized in that,
Described notification message is MBMS notification message or MCCH notification message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910150609.6A CN101931879B (en) | 2009-06-19 | 2009-06-19 | A kind of transmission method of multicast control channel information and equipment thereof |
| PCT/CN2009/076074 WO2010145169A1 (en) | 2009-06-19 | 2009-12-25 | Method and equipment for transmitting multicast control channel information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910150609.6A CN101931879B (en) | 2009-06-19 | 2009-06-19 | A kind of transmission method of multicast control channel information and equipment thereof |
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| CN101931879A CN101931879A (en) | 2010-12-29 |
| CN101931879B true CN101931879B (en) | 2015-08-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102075868B (en) * | 2011-01-30 | 2012-09-05 | 电信科学技术研究院 | Multimedia broadcast multicast service (MBMS) data forwarding and transmitting method, device and system |
| CN103139710A (en) * | 2011-11-30 | 2013-06-05 | 中兴通讯股份有限公司 | Emergency call achieving method and enhanced node B and user equipment |
| CN102638767B (en) * | 2012-03-14 | 2016-06-01 | 电信科学技术研究院 | A kind of group service transmission method and device |
| KR102130957B1 (en) * | 2015-08-14 | 2020-07-07 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Multicast service reading and transmission method, and related apparatus |
| KR102116706B1 (en) * | 2016-08-11 | 2020-05-29 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Multicast-based wireless communication method, terminal device, and base station |
| CN107889217B (en) * | 2016-09-29 | 2024-02-27 | 中兴通讯股份有限公司 | Service session sending and receiving method, device and system |
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| CN1956450A (en) * | 2005-10-28 | 2007-05-02 | 华为技术有限公司 | Method and device for implementing multimedia broadcast/service notification multicase |
| CN101312588A (en) * | 2007-05-24 | 2008-11-26 | 中兴通讯股份有限公司 | Wireless communication method |
| CN101378528A (en) * | 2007-08-27 | 2009-03-04 | 鼎桥通信技术有限公司 | Method for notifying system message alteration on MBMS special carriers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1850616A1 (en) * | 2006-04-28 | 2007-10-31 | Nec Technologies (UK) Limited | Method for optimizing the reading by a user equipment of MCCH (MBMS point-to-multipoint control channel) information |
| US9596009B2 (en) * | 2007-04-20 | 2017-03-14 | Blackberry Limited | Multicast control channel design |
| CN101370238B (en) * | 2007-08-15 | 2012-08-22 | 上海贝尔股份有限公司 | MCCH transmitting/receiving method and device based on LTE |
| US9030989B2 (en) * | 2007-10-30 | 2015-05-12 | Google Technology Holdings LLC | Method and apparatus for broadcasting/multicasting content from mobile user equipment over an MBMS network |
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- 2009-06-19 CN CN200910150609.6A patent/CN101931879B/en active Active
- 2009-12-25 WO PCT/CN2009/076074 patent/WO2010145169A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956450A (en) * | 2005-10-28 | 2007-05-02 | 华为技术有限公司 | Method and device for implementing multimedia broadcast/service notification multicase |
| CN101312588A (en) * | 2007-05-24 | 2008-11-26 | 中兴通讯股份有限公司 | Wireless communication method |
| CN101378528A (en) * | 2007-08-27 | 2009-03-04 | 鼎桥通信技术有限公司 | Method for notifying system message alteration on MBMS special carriers |
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| WO2010145169A1 (en) | 2010-12-23 |
| CN101931879A (en) | 2010-12-29 |
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