CN101931879A - Transmission method of multicast control channel information and equipment thereof - Google Patents
Transmission method of multicast control channel information and equipment thereof Download PDFInfo
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- CN101931879A CN101931879A CN2009101506096A CN200910150609A CN101931879A CN 101931879 A CN101931879 A CN 101931879A CN 2009101506096 A CN2009101506096 A CN 2009101506096A CN 200910150609 A CN200910150609 A CN 200910150609A CN 101931879 A CN101931879 A CN 101931879A
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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 transmission method of multicast control channel (MCCH) information and equipment thereof, relating to an LTE system. The method comprises the following steps: in the process of sending down MBMS service, a network side transmits a notification message only when each MBMS service session starts so as to notify the session starts for user equipment (UE); and the UE reads MCCH information only after receiving the notification that the session starts. In the technical scheme of the invention, the number of times of reading the MCCH information caused by wrongly wakening the UE is greatly reduced and the electric energy of the UE is saved.
Description
Technical field
The present invention relates to LTE (Long Term Evolution, Long Term Evolution) system, particularly a kind of multicast control channel (Multicast Control Channel, MCCH) transmission of Information method and equipment thereof.
Background technology
Along with the fast development of 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., this has satisfied the business demand that the mobile subscriber constantly rises on the one hand, also brings new business growth point for mobile operator simultaneously.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 Generation Partnership Project, abbreviate 3GPP as) multimedia broadcast multi-broadcasting business (Multimedia Broadcast Multicast Service proposed, MBMS) business, 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 multicast and the broadcasting 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 provides better professional prospect.
In LTE, the multicast service channel of MBMS (Multicast traffic Channel, MTCH) and MCCH can adopt MB SFN (Multicast/Broadcast over Single Frequency Network, multicast/multicast single-frequency network network) sending mode, adopt the MBMS business of this sending mode to be also referred to as the MBSFN business, adopt the MTCH and the MCCH of MBSFN sending mode, promptly adopt the MTCH of the many cell transmission of MBMS can adopt identical modulating-coding form in a plurality of sub-districts with MCCH, adopt identical physical resource generation identical content, the feature of the many cell transmission of MBMS: 1) in the inter-sync transmission of MBSFN zone; 2) support many cell MBMS transmission to merge; 3) MTCH and MCCH are being mapped under p-t-m (the putting multiple spot) pattern on MCH (Multicast Chnanel, the Multicast Channel) transmission channel; 4) MBSFN retaining zone, MBSFN zone, MBSFN transmission, advertisement and reservation sub-district are by the semi-static configuration of Operation and Maintenance.The UE of a plurality of like this sub-districts (Userequipment, subscriber equipment) can receive the identical MBMS data of a plurality of contents (comprising MTCH and MCCH) and carry out SFN (VON voice network) and merge, thus the gain that can improve received signal.Adopt identical physical resource and constituted a MBSFN zone with a plurality of sub-districts that the MBSFN sending mode sends the same MBMS business.In the LTE of reality networking, a MBSFN zone comprises a plurality of sub-districts, possesses the data channel MTCH of a plurality of MBSFN business in identical MBSFN zone, and the control channel MCCH of MBSFN business can be multiplexed into a MCH.The MCCH in identical MBSFN zone and a plurality of MTCH, promptly many logic channels can be mapped on the same transmission channel MCH;
Carried the control signaling of MBMS business on the MCCH, carried the configuration information of all MTCH in the message on MCCH, UUE can read the MTCH configuration information on the MCCH, is configured on which resource to find interested MTCH.Therefore, the UE in the sub-district must at first read MCCH in order to read the MBMS business on the MTCH.The MCCH transmission cycle comprises that MCCH repetition period and MCCH revise the cycle, the MCCH message after the MCCH modification cycle can send renewal, and can only repeatedly send identical MCCH message in the MCCH repetition period.
In LTE, the transmission MCCH of the control signaling MCCH of MBMS business can send by single cell pattern, be mapped to DSCH Downlink Shared Channel (DL-SCH, Downlink Shared Channel) goes up transmission, and finally be mapped to physical channel PDSCH (Physical Downlink Shared channel, Physical Downlink Shared Channel) on, not carrying out MBSFN with adjacent sub-district merges, also can adopt many cell patterns to send, be mapped to MCH and go up transmission, and finally be mapped on the physical channel PMCH (Physical Multicast Channel) and adjacent sub-district is carried out MBSFN and merged.In LTE Release 9 (version 9), MCCH has only 1, and is carried on the MCH as MTCH, also is carried on the PMCH as MTCH is final, in a MBSFN zone, has carried the control information of all MBSFN business on the MCCH message.
At present, network side, Node B (Node B) for example, eNB (Evolved Node B, improved Node B), 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 Access Network, improved universal land radio access web) and E-UTRA (Evolved Universal Terrestrial Radio Access, improved general land wireless access) etc., can dispose MBMS informing mechanism (MBMS Notification mechanism), promptly when the MCCH information updating, network side configuration MBMS Notification, like this, UE can periodically receive MCCH message, only monitor MCCH Notification, when having indicated the content update on the MCCH message on the MCCH Notification that only monitors, UE just can receive MCCH message further.
In LTE, MBMS notice (MBMS Notification) mechanism of network side configuration, can adopt control domain in some unicast sub, be the network temporary mark RNTI (Radio Network Temporary Identifier) of a MCCH of configuration in the physical downlink control channel PDCCH (Physical Downlink Control Channel), just MCCH-RNTI identifies MBMSNotification; Also can on PDCCH, dispose a specific identifier and identify MBMSNotification.Accordingly, UE is according to the principle of arranging in advance, and monitoring may be carried the subframe of MCCHNotification, for example, possible each control information unit in the control domain of some unicast sub of UE blind check, and judge whether the RNTI in the unicast sub control domain is MCCH-RNTI.If, representing that then MCCH message has renewal, UE will read MCCH message further, if not, then representing MCCH message, UE does not need to read MCCH message.And for UE, it can only monitor MBMS Notification, has only when monitoring MBMS Notification, and UE just can read MCCH information further.
Wherein, each MBMS business all has session to begin (session start), session updates (session updated), conversation end (session stop), also might comprise the variation of the MTCH configuration parameter of this MBMS business.Because there are a plurality of MBMS business in each MBSFN zone, many MTCH are promptly arranged, with a MCCH, the session of each MBMS business begins, conversation end or MTCH configuration parameter change the renewal that all can cause MCCH message, so, the update times of MCCH message can be very many, and can only could send the MCCH message of upgrading in the MCCH cycle of revising.So as can be seen, the renewal of each MCCH message all can be disposed MBMSNotification on unicast sub, thereby causes the occurrence number of MBMS Notification very many.
Summary of the invention
Technical problem to be solved by this invention is a kind of transmission method and equipment thereof of multicast control channel information to be provided, thereby to reduce 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 MCCH transmission of Information method, comprising:
Network side only when each MBMS service conversation begins, sends a notification message to subscriber equipment in the process that issues the MBMS business, begins with the notifying user equipment session; Described subscriber equipment only reads MCCH information after receiving the notice that session begins.
Further, in the said method, described notification message is MBMS notification message or MCCH notification message.
Wherein, after described subscriber equipment reads MCCH message,, then on the MTCH of this MBMS business, receive data if judge that the MBMS business in the MCCH message that is read is consistent with the MBMS business that the user selects in advance.
When described subscriber equipment receives data on described MTCH, also read MCCH message in the MCCH modification cycle.
Described subscriber equipment reads described MCCH message in each MCCH modification cycle, and one or more MCCH modification cycle of the every interval of perhaps described subscriber equipment is read described MCCH message.
The invention also discloses a kind of network equipment that is used to transmit MCCH information, comprise interconnective trigger module and processing module, wherein:
Described trigger module is used for sending the transmitting order to lower levels of this MBMS business to described processing module in each MBMS service conversation zero hour;
Described processing module be used to receive the transmitting order to lower levels that described trigger module sends, and according to this transmitting order to lower levels, the message of issuing a notice begins with the notifying user equipment session.
Further, in the above-mentioned network equipment, described notification message is MBMS notification message or MCCH notification message.
The invention also discloses a kind of subscriber equipment that is used to receive MCCH information, comprise interconnective monitoring modular and receiving processing module, wherein:
Described monitoring modular is used for monitoring in real time notification message, and the notification message that is monitored is sent to described receiving processing module;
Described receiving processing module, be used for behind the notification message that receives described monitoring modular transmission, read MCCH message,, then on the MTCH of this MBMS business, receive data if judge that the MBMS business in the described MCCH message is consistent with the MBMS business that the user selects in advance.
Further, in the above-mentioned subscriber equipment, the described notification message that is used for is MBMS notification message or MCCH notification message.
Wherein, described receiving processing module when receiving data on described MTCH, also is used for reading MCCH message in the MCCH modification cycle.
Technical solution of the present invention has significantly reduced because UE is further read the number of times of MCCH message by false wakeups, and has saved the electric energy of UE.
Description of drawings
Fig. 1 is a network equipment structural representation in the present embodiment;
Fig. 2 is a user device architecture schematic diagram in the present embodiment;
Fig. 3 is the flow chart of transmission MCCH information in the present embodiment.
Embodiment
Main design of the present invention is, network side can be only when the session of each MBMS business begins, issue a notification message, begin with the notifying user equipment session, particularly, this notification message can be MBMS Notification or MCCH Notification, like this, user equipment monitors is behind notification message, as long as the MBMS service conversation that definite this notification message is notified is identical with user's interest MBMS business, then on the MTCH of this MBMS business, begin to receive data, and read MCCH message, thereby greatly reduce the number of times that UE reads MCCH message in the MCCH modification cycle.
Below in conjunction with drawings and the specific embodiments technical solution of the present invention is described in further detail.
A kind of network equipment that is used to transmit multicast control channel information can be Node B, RNC, relay node, UTRAN, E-UTRAN or E-UTRA etc., and its structure comprises interconnective trigger module and processing module as shown in Figure 1 at least.Introduce the function of each module below.
Trigger module is used for sending the transmitting order to lower levels of this MBMS business to processing module when the session of each MBMS business start;
Processing module, be used to receive the transmitting order to lower levels that trigger module sends, and according to this transmitting order to lower levels, the message of issuing a notice begins with the notifying user equipment session, preferably, this notification message is MBMSNotification or MCCH Notification, wherein, can be according to prior art, the network temporary mark RNTI of configuration MCCH is with sign MBMS Notification information in PDCCH; Perhaps in PDCCH, dispose unique identifier with sign MBMS Notification information.
A kind of user equipment (UE) as shown in Figure 2, comprises interconnective monitoring modular and receiving processing module at least.Each functions of modules is described below:
Monitoring modular is used for monitoring in real time notification message, and the notification message that is monitored is sent to receiving processing module;
In the present embodiment, notification message is MBMS Notificationa or MCCHNotificationa.
Receiving processing module, be used for behind the notification message that receives the monitoring modular transmission, read MCCH message, if judge that the MBMS business in the MCCH message that is read is consistent with the MBMS business that the user selects in advance, then on the MTCH of this MBMS business, receive data, and read the MCCH message of this MBMS business, to determine whether this MBMS business is updated;
Wherein, receiving processing module can be revised cycle at each MCCH, and one or more MCCH modification cycle of perhaps every interval is read MCCH message, wherein, comprises not update content of MCCH update content and/or MCCH in the MCCH message.
Describe the process of transmission MCCH information between above-mentioned network equipment and the subscriber equipment below in detail, as shown in Figure 3, may further comprise the steps:
Step 300: network side only when the session of each MBMS business begins, to the subscriber equipment message of issuing a notice, begins with the notifying user equipment session in transmitting multimedia broadcasting multicast service MBMS business procedure;
In a preferred embodiment, this notification message is MBMS Notification or MCCHNotification, when notification message adopts MBMS Notification, network side can be according to prior art, and configuration MCCH-RNTI is with sign MBMSNotification information on the control domain PDCCH of unicast sub; Perhaps on PDCCH, dispose specific identifier with sign MBMSNotification information.
Step 301:UE is the above-mentioned notification message of monitoring in real time;
Step 302: when UE monitors notification message, read MCCH message according to this notification message;
Step 303:UE judges whether the MBMS business (being the MBMS business that notification message is notified) in the MCCH message that is read is consistent with the MBMS business that the user selects in advance, if enter step 304, otherwise return step 301;
In this step, the MBMS business that the user selects in advance is user's interest MBMS business, and wherein, the user can determine that from the received service statement of UE which MBMS business is its interested MBMS business.
Step 304:UE receives data from the MTCH of this MBMS business, and reads MCCH message to determine whether this MBMS business is updated, and wherein, comprises not update content of MCCH update content and/or MCCH in the MCCH message that UE read in the MCCH modification cycle;
In this step, UE can read the MCCH updating message in the MCCH modification cycle, also one or several MCCH modification cycles are read the MCCH updating message at interval, like this, when MCCH message took place to upgrade, UE just can know in time whether the configuration of this MBMS business changes or sessionstop or session updated.
From the foregoing description as can be seen, technical solution of the present invention is only when the session of certain MBMS business start, the message of just can issuing a notice, and after UE receives notification message, also only when this MBMS business is the interested business of user institute, further receive the MTCH and the MCCH message of this MBMS business again, thereby significantly reduced, and saved the electric energy of UE because UE is further read the number of times of MCCH message by false wakeups.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the appended claim of the present invention.
Claims (10)
1. multicast control channel MCCH transmission of Information method comprises:
Network side only when each MBMS service conversation begins, sends a notification message to subscriber equipment in the process of transmitting multimedia broadcasting multicast MBMS business, begins with the notifying user equipment session; Described subscriber equipment only reads MCCH information after receiving the notice that session begins.
2. the method for claim 1 is characterized in that,
Described notification message is MBMS notification message or MCCH notification message.
3. method as claimed in claim 1 or 2 is characterized in that,
After described subscriber equipment reads MCCH message,, then on the multicast service channel MTCH of this MBMS business, receive data if judge that the MBMS business in the MCCH message that is read is consistent with the MBMS business that the user selects in advance.
4. method as claimed in claim 3 is characterized in that,
When described subscriber equipment receives data on described MTCH, also read MCCH message in the MCCH modification cycle.
5. method as claimed in claim 4 is characterized in that,
Described subscriber equipment reads described MCCH message in each MCCH modification cycle, and one or more MCCH modification cycle of the every interval of perhaps described subscriber equipment is read described MCCH message.
6. a network equipment that is used to transmit multicast control channel MCCH information is characterized in that, comprises interconnective trigger module and processing module, wherein:
Described trigger module is used for sending the transmitting order to lower levels of this MBMS business to described processing module in each multimedia broadcast multicast MBMS service conversation zero hour;
Described processing module be used to receive the transmitting order to lower levels that described trigger module sends, and according to this transmitting order to lower levels, the message of issuing a notice begins with the notifying user equipment session.
7. network equipment as claimed in claim 6 is characterized in that,
Described notification message is MBMS notification message or MCCH notification message.
8. a subscriber equipment that is used to receive multicast control channel MCCH information is characterized in that, comprises interconnective monitoring modular and receiving processing module, wherein:
Described monitoring modular is used for monitoring in real time notification message, and the notification message that is monitored is sent to described receiving processing module;
Described receiving processing module, be used for behind the notification message that receives described monitoring modular transmission, read MCCH message, if judge that the multimedia broadcast multicast MBMS business in the described MCCH message is consistent with the MBMS business that the user selects in advance, then on the multicast service channel MTCH of this MBMS business, receive data.
9. subscriber equipment as claimed in claim 8 is characterized in that,
The described notification message that is used for is MBMS notification message or MCCH notification message.
10. subscriber equipment as claimed in claim 8 or 9 is characterized in that,
Described receiving processing module when receiving data on described MTCH, also is used for reading MCCH message in the MCCH modification cycle.
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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 |
| PCT/CN2009/076074 WO2010145169A1 (en) | 2009-06-19 | 2009-12-25 | Method and equipment for transmitting multicast control channel information |
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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 true CN101931879A (en) | 2010-12-29 |
| CN101931879B CN101931879B (en) | 2015-08-12 |
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| CN102638767A (en) * | 2012-03-14 | 2012-08-15 | 电信科学技术研究院 | Method and device for trunking service transmission |
| 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 |
| CN107333246A (en) * | 2015-08-14 | 2017-11-07 | 华为技术有限公司 | A kind of multicast service reading, sending method and relevant device |
| CN107889217A (en) * | 2016-09-29 | 2018-04-06 | 中兴通讯股份有限公司 | Service conversation sending, receiving method, apparatus and system |
| CN108781346A (en) * | 2016-08-11 | 2018-11-09 | 华为技术有限公司 | Wireless communications method, terminal device based on multicast and base station |
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| CN108781346A (en) * | 2016-08-11 | 2018-11-09 | 华为技术有限公司 | Wireless communications method, terminal device based on multicast and base station |
| CN108781346B (en) * | 2016-08-11 | 2020-12-18 | 华为技术有限公司 | Wireless communication method, terminal equipment and base station based on multicast |
| US11006443B2 (en) | 2016-08-11 | 2021-05-11 | Huawei Technologies Co., Ltd. | Multicast-based wireless communication method, terminal device, and base station |
| CN107889217A (en) * | 2016-09-29 | 2018-04-06 | 中兴通讯股份有限公司 | Service conversation sending, receiving method, apparatus and system |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010145169A1 (en) | 2010-12-23 |
| CN101931879B (en) | 2015-08-12 |
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