CN101998253A - Method and system for transmitting scheduling information and network side equipment - Google Patents
Method and system for transmitting scheduling information and network side equipment Download PDFInfo
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- CN101998253A CN101998253A CN2009101623757A CN200910162375A CN101998253A CN 101998253 A CN101998253 A CN 101998253A CN 2009101623757 A CN2009101623757 A CN 2009101623757A CN 200910162375 A CN200910162375 A CN 200910162375A CN 101998253 A CN101998253 A CN 101998253A
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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
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- 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
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Abstract
The invention discloses a method and a system for transmitting scheduling information and network side equipment, relating to an LTE (Long Term Evolution) system. The method comprises the following steps of: configuring a plurality of first MCHs (Multicast Channel) used for bearing an MBMS (Multimedia Broadcast Multicast Service) and a second MCH used for bearing the scheduling information by the network side equipment; and bearing the scheduling information of the MBMS service borne by each MCH on the second MCH to transmit, wherein the scheduling information of each MBMS service borne on the second MCH is identified through the identification information of the first MCH bearing the MBMS. After the technical scheme is utilized, a receiving terminal can accurately obtain specific position information of the MBMS needed to be received within one scheduling period, and can synchronously obtain the scheduling information of a plurality of services once, thereby saving the electric power of UE (User Equipment) and improving the receiving efficiency.
Description
Technical field
The present invention relates to LTE (Long Term Evolution, Long Term Evolution) system, particularly the method for sending and receiving of multimedia broadcasting and multicast service (Multimedia Broadcast Multicast Service abbreviates MBMS as) schedule information.
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 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 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 MBMS business can adopt multicast pattern mode, be called MBSFN (Multicast/Broadcast over Single Frequency Network, single frequency network multicast broadcast) sending mode, the MBMS business that adopts the multicast pattern to send is also referred to as the MBSFN business, can be after identical modulation be adopted in a plurality of sub-districts coded format, adopt identical physical resource generation identical content, the feature of MBMS cell transmission is as follows:
1) in the inter-sync transmission of MBSFN zone; 2) support many cell MBMS transmission to merge; 3) MTCH (Multicast traffic Channel, multicast service channel) and MCCH (MulticastControl Channel, multicast control channel) are mapped on the MCH (Multicast Channel) under p-T-m (putting multiple spot) pattern; 4) MBSFN retaining zone, the MBSNF zone, the MBSFN transmission, advertisement keeps the sub-district, by the semi-static configuration of Operation and Maintenance.
The UE of a plurality of like this sub-districts (User equipment, subscriber equipment) can receive the identical MBMS data of a plurality of contents and carry out SFN (single frequency 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, several MBSFN business are arranged on the MBSFN zone, these all MBSFN business that belong to same MBSFN zone are called a MBSFN service groups, that is to say that a MBSFN service groups only belongs to a MBSFN zone.A MBSFN zone comprises a plurality of sub-districts, and each sub-district has all disposed an identical MBSFN service groups.The data channel MTCH that possesses a plurality of MBSFN business in identical MBSFN zone, and the control channel MCCH of MBSFN business can be multiplexed into a MCH (Multicast Chnanel, Multicast Channel).The MCCH in identical MBSFN zone and a plurality of MTCH, promptly many logic channels can be mapped on the same transmission channel MCH:
In the LTE system, MCH is a transmission channel, characteristics are the transmission of putting multiple spot, the corresponding physical resource is that system is the multicast resource that MBMS transmission business (MTCH) is distributed, article one, MCH is carried on some multicast resources, these multicast resources comprise on several MBSFN frames and the MBSFN subframe, as shown in Figure 1
Represent non-MBSFN frame,
Expression MBSFN frame,
Represent non-MBSFN subframe,
Expression MBSFN subframe,
Expression is fixing no.These multicast resources adopt a cover MSAP (MBSFN subframe allocation pattern, MBSFN sub-frame allocation pattern) disposes, comprise radio frames allocation model and wireless sub-frame allocation model, the multicast resource in each MBSFN zone can be that unit is divided into a plurality of groups according to certain pattern with the subframe, each group can constitute a MCH, and perhaps a plurality of groups constitute a MCH.Employed pattern just was called the MSAP of this MCH when each MCH constituted so, and a MSAP describes the physical resource of a MCH channel.Can there be one or more MCH each sub-district, the all unique corresponding MSAP of each MCH, and uniquely belong to a MBSFN zone, but can there be one or more MCH in each MBSFN zone, the collocation method of the multicast resource that each MCH disposed is all to dispose a cover MSAP for each MCH.
As shown in Figure 2, in order to improve the transmitting efficiency of MTCH, each MCH goes up the method that a plurality of MTCH that carry can adopt dynamic dispatching, can the MTCH more than 2 or 2 is multiplexing on same MBSFN subframe and take the part resource of this subframe by dynamic dispatching, Fig. 2 (a), Fig. 2 (b) and Fig. 2 (c) are respectively the resource allocation schematic diagram of Scheduling Period 1, Scheduling Period 2, Scheduling Period 3.In the existing public technology, in the MSAP notion, introduce MSAP occasion (MSAP opportunity) simultaneously, it has indicated a dispatching cycle the included whole multicast resources of the pairing MCH of certain MSAP in time period of (be a period of time of wave point, send on the MBSFN subframe scheduling resource that a plurality of business comprise successively in order) in dispatching cycle.In a MSAP occasion, can send a plurality of MTCH and the schedule information (information that refers to concrete positional information professional in dispatching cycle, schedule information can send in dispatching cycle, perhaps in previous or several dispatching cycles of dispatching cycle, send, generally, schedule information should send to UE before the business datum in the dispatching cycle of its indication sends), can also comprise MCCH, schedule information can be carried on MAC (medium access control) control section (MAC control element) MSAP occasion length and generally be fixed as 320ms.Similarly, generally being fixed as 320ms a dispatching cycle, also can be 2
n* 320ms (n=-3 ,-2 ,-1,0,1,2,3,4.....N), correspondingly, MSAP occasion time span is 40ms, 80ms, 160ms, 320ms, 640ms, 1280ms or the like, a MSAP occasion time span is exactly a dispatching cycle, is also referred to as a dispatching cycle.Article one, MCH has distributed one or more MBSFN subframes in one or more MBSFN frames by MSAP, and the subframe that wherein adopts the multicast pattern to send is called the MBSFN subframe, and the frame that contains the MBSFN subframe is called the MBSFN frame.
On each MSAP occasion that MCH disposed, carried schedule information, carry the map information of MTCH to auxiliary MSAP subframe, this map information determines that by means of the relation of the MBSFN subframe numeral index in a dispatching cycle UE reads schedule information can know which MBSFN subframe each MTCH is dispensed on.UE can read its interested MTCH on corresponding M BSFN subframe, do not need the MBSFN subframe that reads and ignore it, thereby improves the professional receiving efficiency of MBMS of UE, saves the power consumption of UE.MBSFN subframe numbering described herein is to determine like this: a MCH is arranged number consecutively in order in all MBSFN subframes of being distributed in a dispatching cycle.For example the MCH channel MBSFN number of subframes total amount of distributing in one-period is 100, and then the subframe numbering from 0 to 99, perhaps 1 to 100.
In existing LTE technology, a plurality of transmission channels are by the multiplexing MCH channel of following mode: the corresponding TTI (Transmission Time Interval) of subframe, in a TTI, can send an output block, a corresponding MAC PDU (medium access control layer protocol data cell).At a MAC
Among the PDU, can comprise a plurality of MAC SDU (service data unit), these MAC SDU can be from different logic channels, and possible logic channel comprises MTCH, MCCH, MSCH etc.After being serially connected in MAC PDU, these data from the Different Logic channel on physical channel, send together.In order to distinguish MAC SDU from the Different Logic channel, carried identification information among the MAC PDU, concrete, the sign of logic channel is arranged, the positional informations of the data block of this logic channel in MAC PDU etc. are used for the data block that receiving terminal is distinguished the Different Logic channel.
Because the zone of the professional transmission of MBMS is different, may can have many MCH in certain sub-district, carrying belongs to the business of different MBMS service areas respectively; In addition, because professional QoS attribute difference, also many MCH of possible configuration carry the business that different QoS requires respectively.Exist under the scene of many MCH, how schedule information sends need be designed.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method and system and network equipment of transmitting scheduling information is provided, indicating user terminal (UE) service dispatching information, and there is the scene of many MCH in the system of being applicable to.
In order to address the above problem, the method that the invention discloses a kind of transmitting scheduling information comprises:
Many MCH that are used to carry the MBMS business of network equipment configuration, and the 2nd MCH that is used to carry schedule information;
The schedule information of the MBMS business of each MCH carrying is carried on described the 2nd MCH goes up and send, wherein, the identification information of the MCH of schedule information by carrying this MBMS business that described the 2nd MCH goes up each MBMS business of carrying identifies.
Further, in the said method, the 2nd MCH of described network equipment configuration, only be used to carry schedule information, perhaps be used to carry the schedule information of MBMS business and a plurality of MBMS business, wherein, when the 2nd MCH was used to carry the schedule information of the professional and a plurality of MBMS business of MBMS, the schedule information of the MBMS business that described network equipment carries each MCH was carried on the fixed position of described the 2nd MCH and sends.
Wherein, when described the 2nd MCH only is used to carry schedule information,, then read the configuration information of described the 2nd MCH, on described the 2nd MCH, read the schedule information of the MBMS business that will receive if subscriber equipment need receive the MBMS business;
When described the 2nd MCH is used to carry the schedule information of MBMS business and a plurality of MBMS business, if subscriber equipment need receive the MBMS business, then read the configuration information of described the 2nd MCH, on the fixed position of described the 2nd MCH, read the schedule information of the MBMS business that will receive.
Wherein, described network equipment and the described subscriber equipment configuration information of described first and second MCH of making an appointment; Perhaps
Described network equipment is notified to described subscriber equipment by system message with the configuration information of described first and second MCH; Perhaps
Described network equipment is notified to described subscriber equipment by control messages with the configuration information of described first and second MCH.
Described network equipment cycle on described the 2nd MCH sends the schedule information of each MBMS business, wherein, described network equipment is configured to the cycle that the 2nd MCH goes up the transmission schedule information with the least common multiple of the dispatching cycle of the pairing MCH of schedule information of each MBMS business of the last carrying of described the 2nd MCH; Perhaps described network equipment is gone up described the 2nd MCH in the dispatching cycle of the pairing MCH of schedule information of each MBMS business of carrying and to be configured to the 2nd MCH minimum dispatching cycle and to go up the cycle that sends schedule information;
The pairing MCH of the schedule information of described MBMS business is the MCH of this MBMS business of carrying.
The invention also discloses a kind of system of transmitting scheduling information, comprise network equipment and subscriber equipment, wherein:
Described network equipment, be used to dispose many first Multicast Channels (MCH) that are used for bearing multimedia broadcast and multicast service (MBMS), and the 2nd MCH that is used to carry schedule information, and the schedule information of the MBMS business of each MCH carrying is carried on described the 2nd MCH goes up and send, wherein, described the 2nd MCH identification information of the MCH of schedule information by carrying this MBMS business of going up each MBMS business of carrying identifies;
Described subscriber equipment is used for reading the schedule information of the MBMS business that will receive on described the 2nd MCH when needs receive the MBMS business.
Further, in the said system, described network equipment, the 2nd MCH that is disposed only is used to carry schedule information, perhaps carry the schedule information of MBMS business and a plurality of MBMS business, wherein, during the schedule information of and a plurality of MBMS business professional as described the 2nd MCH carrying MBMS, described network equipment is carried on the schedule information of a plurality of MBMS business on the fixed position of described the 2nd MCH and sends.
Wherein, described network equipment cycle on described the 2nd MCH sends the schedule information of each MBMS business, wherein, described network equipment is configured to the cycle that the 2nd MCH goes up the transmission schedule information with the least common multiple of the dispatching cycle of the pairing MCH of schedule information of each MBMS business of the last carrying of described the 2nd MCH; Perhaps described network equipment is gone up described the 2nd MCH in the dispatching cycle of the pairing MCH of schedule information of each MBMS business of carrying and to be configured to the 2nd MCH minimum dispatching cycle and to go up the cycle that sends schedule information;
The pairing MCH of the schedule information of described MBMS business is the MCH of this MBMS business of carrying.
The invention also discloses a kind of network equipment of transmitting scheduling information, comprise dispensing unit and issue the unit, wherein:
Described dispensing unit is used to dispose many first Multicast Channels (MCH) that are used for bearing multimedia broadcast and multicast service (MBMS), and the 2nd MCH that is used to carry schedule information;
The described unit that issues, be used for and the schedule information of the MBMS business of each MCH carrying be carried on described the 2nd MCH going up and sending, wherein, described the 2nd MCH identification information of the MCH of schedule information by carrying this MBMS business of going up each MBMS business of carrying identifies.
Further, in the above-mentioned network equipment, described dispensing unit, the 2nd MCH that is disposed only is used to carry schedule information, perhaps is used to carry the schedule information of MBMS business and a plurality of MBMS business;
When described the 2nd MCH was used to carry the schedule information of the professional and a plurality of MBMS business of MBMS, the described unit that issues was carried on the schedule information of a plurality of MBMS business on the fixed position of described the 2nd MCH and sends.
Wherein, described dispensing unit, the least common multiple of dispatching cycle of the pairing MCH of schedule information of described the 2nd MCH being gone up each MBMS business of carrying is configured to the 2nd MCH and goes up the cycle that sends schedule information; Perhaps be configured to the 2nd MCH and go up the cycle that sends schedule information minimum dispatching cycle in the dispatching cycle of the pairing MCH of schedule information of each MBMS business that described the 2nd MCH is upward carried, wherein, the pairing MCH of the schedule information of described MBMS business is the MCH of this MBMS business of carrying;
The described unit that issues, the 2nd MCH that disposes according to described dispensing unit goes up the schedule information that the cycle that sends schedule information sends each MBMS business.
After adopting technical solution of the present invention, receiving terminal needing can obtain the more specific location information of MBMS business in a dispatching cycle of acceptance accurately, concrete, when UE need receive a plurality of MBMS when professional simultaneously, can these professional schedule informations of disposable acquisition, thus avoid UE to read the schedule information of dispersion for many times, saved UE electric power, improve receiving efficiency, and had good wave point signaling transmitting efficiency.
Description of drawings
Fig. 1 is that the MSAP occasion of a MCH in the prior art distributes the schematic diagram of multicast resource;
Fig. 2 (a) is the resource allocation schematic diagram of Scheduling Period 1;
Fig. 2 (b) is the resource allocation schematic diagram of Scheduling Period 2;
Fig. 2 (c) is the resource allocation schematic diagram of Scheduling Period 3;
Fig. 3 is the structural representation of the system of transmitting scheduling information in the present embodiment;
Fig. 4 (a) is the schematic diagram that special-purpose MCH goes up the carrying schedule information in the present embodiment;
Fig. 4 (b) is UE goes up receiving scheduling information at the special-purpose MCH shown in Fig. 4 (a) a schematic diagram;
Fig. 5 (a) is the schematic diagram of carrying schedule information on the fixed position of certain bar MCH in the present embodiment;
Fig. 5 (b) is UE goes up receiving scheduling information at the MCH shown in Fig. 5 (a) a schematic diagram;
Fig. 6 is in the present embodiment under the dispatching cycle of many MCH different situation, and UE is in the MCH receiving scheduling information of special carrying schedule information, and then the schematic diagram that the business on the different MCH is received.
Embodiment
Main design of the present invention is, the schedule information unification that existing a plurality of MCH are gone up the MBMS business of carrying puts together, particularly, can dispose the MCH of a special carrying schedule information, this MCH goes up the schedule information that other each MCH of transmission go up the MBMS business of carrying; UE is by receiving the MCH of this special carrying schedule information, to obtain the schedule information that other each MCH go up the MBMS business of carrying; Perhaps, the schedule information that each MCH is gone up the MBMS business of carrying is configured on the fixed position of existing a certain MCH, and UE can obtain the schedule information of the MBMS business of carrying on each MCH in the fixed position of this MCH.Wherein, schedule information can adopt in advance the form that sends, promptly in a last dispatching cycle or fixedly send on the resource location of subframe in advance.
Below in conjunction with drawings and the specific embodiments technical solution of the present invention is described in further detail.
A kind of system of transmitting scheduling information as shown in Figure 3, comprises network equipment and UE, and wherein, network equipment further comprises dispensing unit and issue the unit that UE further comprises configuration preservation unit and receiving element.Introduce the each several part function below.
Network equipment, for example eNodeB, dynamic management entity (MCE) and radio network controller (RNC) etc., be mainly used in and dispose the MCH and the special-purpose MCH that carries schedule information that is used to carry the MBMS business, and many schedule informations of carrying the MCH of MBMS business are carried on upward transmission of special-purpose MCH;
Wherein, dispensing unit, be used to dispose the special-purpose MCH of the schedule information of the MCH that is used to carry the MBMS business and a plurality of MBMS business of carrying, the identification information that special-purpose MCH goes up the MCH that the schedule information of each MBMS business of carrying can be by carrying this MBMS business identifies;
Dispensing unit, the least common multiple of dispatching cycle of MCH of the pairing carrying of schedule information MBMS business of also special-purpose MCH being gone up each MBMS business of carrying is configured to special-purpose MCH and goes up the cycle (being the transmission cycle that special-purpose MCH goes up schedule information) that sends schedule information; Perhaps dispensing unit also can be gone up special-purpose MCH in the dispatching cycle of MCH of the pairing carrying of schedule information MBMS business of each MBMS business of carrying and to be configured to special-purpose MCH minimum dispatching cycle and to go up the cycle that sends schedule information, wherein, the pairing MCH of the schedule information of MBMS business is the MCH of this MBMS business of carrying;
The MCH that is used to carry the MBMS business that dispensing unit disposed can only carry the MBMS business, also can carry the schedule information of MBMS business and this MBMS business at the same time; Be used to carry the special-purpose MCH of schedule information, can only carry the schedule information of a plurality of MBMS business, also can be in the professional schedule information of a plurality of MBMS business of carrying on the fixed position simultaneously of carrying MBMS.
Issue the unit, be used for configuration information, each MBMS business is carried on the MCH that is used to carry the MBMS business accordingly respectively goes up and send, the schedule information of a plurality of MBMS business is carried on special-purpose MCH goes up periodically and send according to each MCH of dispensing unit.
The transmission cycle of going up schedule information as special-purpose MCH is: when special-purpose MCH goes up the least common multiple of dispatching cycle of MCH of the pairing carrying of schedule information MBMS business of each MBMS business of carrying, because special-purpose MCH goes up difference dispatching cycle of the MCH of each schedule information correspondence of carrying, therefore, issue the unit and can on this special use MCH, send dispatching cycle less than the schedule information in a plurality of dispatching cycles of the MCH in this transmission cycle, for example, the dispatching cycle of the MCH of certain bar carrying MBMS business be special-purpose MCH channel bearing schedule information the transmission cycle 1/2, at this moment, when network equipment issues schedule information on special-purpose MCH channel, the resource information (being schedule information) of the MCH that need issue this carrying MBMS business respectively traffic assignments in first and second dispatching cycle, as shown in Figure 6;
The transmission cycle of going up schedule information as special-purpose MCH is: minimum is during dispatching cycle in the dispatching cycle of the MCH of the pairing carrying of the schedule information of each MBMS business that special-purpose MCH upward carries MBMS business, issue the unit can be on this special use MCH the transmission of schedule information during the cycle, send the schedule information that will issue in this transmission cycle, promptly, issue the unit just issues this MCH when one or several send the cycle schedule information for the schedule information of dispatching cycle greater than the MCH in the transmission cycle of special-purpose MCH.
UE is mainly used in and preserves the configuration information that is used to carry the MCH of MBMS business and carries the special-purpose MCH of schedule information, and when needs receive the MBMS business, reads the schedule information of the MBMS business that will receive on special-purpose MCH;
Wherein, the unit is preserved in configuration, is used to preserve the configuration information of special-purpose MCH at least;
The configuration information that the special-purpose MCH that is preserved in the unit is preserved in configuration may be that network equipment and UE make an appointment, and obtains in system message that also can be UE issue by the reception network equipment or the control messages.
Receiving element when UE need receive the MBMS business, according to the configuration information of the special-purpose MCH that is preserved in the dispensing unit, receives the schedule information of the MBMS business that will receive on special-purpose MCH.
Introduce below in conjunction with Fig. 4 and a kind of schedule information to be carried on the special-purpose MCH channel to realize the process of schedule information transmission, this process may further comprise the steps shown in Fig. 4 (b):
Step 401: many MCH that are used to carry the MBMS business of network equipment (as eNodeB, MCE and RNC etc.) configuration, and the special-purpose MCH that only is used to carry schedule information;
In this step, be used to carry the MCH of MBMS business, can carry the schedule information of this MBMS business, also can not carry any schedule information.
Step 402: network equipment is carried on upward transmission of special-purpose MCH with the schedule information of the MBMS business of many MCH carryings, shown in Fig. 4 (a), wherein, the special-purpose MCH identification information of going up the MCH that the schedule information of each MBMS business of carrying can be by carrying this MBMS business identifies;
In this step, network equipment cycle on special-purpose MCH sends the schedule information of each MBMS business, wherein, the least common multiple of dispatching cycle of MCH of the pairing carrying of schedule information MBMS business that network equipment is gone up special-purpose MCH each MBMS business of carrying is configured to special-purpose MCH and goes up the cycle (being the transmission cycle that special-purpose MCH goes up schedule information) that sends schedule information, when the transmission cycle of the last schedule information of special-purpose MCH arrives, because special-purpose MCH goes up difference dispatching cycle of the MCH of each schedule information correspondence of carrying, therefore, network equipment can send dispatching cycle less than the schedule information in a plurality of dispatching cycles of the MCH in this transmission cycle on this special use MCH, for example, the dispatching cycle of the MCH of certain bar carrying MBMS business be special-purpose MCH channel bearing schedule information the transmission cycle 1/2, at this moment, when network equipment issues schedule information on special-purpose MCH channel, the resource information (being schedule information) of the MCH that need issue this carrying MBMS business respectively traffic assignments in first and second dispatching cycle, as shown in Figure 6, wherein, the pairing MCH of the schedule information of MBMS business is the MCH of this MBMS business of carrying;
In other embodiments, network equipment also can be gone up special-purpose MCH in the dispatching cycle of MCH of the pairing carrying of schedule information MBMS business of each MBMS business of carrying and to be configured to special-purpose MCH minimum dispatching cycle and to go up the cycle that sends schedule information.
The concrete configuration content of the schedule information of each MBMS business that network equipment carries on special-purpose MCH channel comprises at least: beginning subframe numbers, end subframe numbers, persistence length, whether medium a subframe with a previous business or a back service integration.
Step 403: when UE need receive the MBMS business, UE is according to the configuration information of special-purpose MCH channel, when the transmission cycle of the schedule information that special-purpose MCH carried arrives, on special-purpose MCH channel, receive the schedule information of the MBMS business that will receive, and then the business on the different MCH is received.
In this step, network side can be notified to UE by the configuration information that system message or control messages will only be used to carry the special-purpose MCH channel of schedule information, and at this moment, UE obtains the configuration information of special-purpose MCH channel according to system message or control messages; Certainly, UE also can with the made an appointment configuration information of special-purpose MCH channel of network equipment.
In other embodiments, system also can dispose many special-purpose MCH channels.
Introduce a kind of process that schedule information is carried on the fixed position that has a certain MCH channel now below in conjunction with Fig. 5, this process may further comprise the steps shown in Fig. 5 (b):
Step 501: dispose many MCH that are used to carry MBMS, and carrying MBMS is professional and the special-purpose MCH of the schedule information of a plurality of MBMS business;
In this step, be used to carry the MCH of MBMS business, can carry the schedule information of this MBMS business, also can not carry any schedule information.
Step 502: network equipment is carried on the schedule information of the MBMS business of each MCH carrying on the fixed position of special-purpose MCH and sends, shown in Fig. 5 (a), wherein, the special-purpose MCH identification information of the MCH of schedule information by carrying this MBMS business of going up each MBMS business of carrying identifies;
In this step, network equipment cycle on special-purpose MCH sends the schedule information of each MBMS business, wherein, the least common multiple of dispatching cycle of MCH of the pairing carrying of schedule information MBMS business that network equipment is gone up special-purpose MCH each MBMS business of carrying is configured to special-purpose MCH and goes up the cycle (being the transmission cycle that special-purpose MCH goes up schedule information) that sends schedule information, when the transmission cycle of the last schedule information of special-purpose MCH arrives, because special-purpose MCH goes up difference dispatching cycle of the MCH of each schedule information correspondence of carrying, therefore, network equipment can send dispatching cycle less than the schedule information in a plurality of dispatching cycles of the MCH in this transmission cycle on this special use MCH, for example, the dispatching cycle of the MCH of certain bar carrying MBMS business be special-purpose MCH channel bearing schedule information the transmission cycle 1/2, at this moment, when network equipment issues schedule information on special-purpose MCH channel, the resource information (being schedule information) of the MCH that need issue this carrying MBMS business respectively traffic assignments in first and second dispatching cycle, as shown in Figure 6, wherein, the pairing MCH of the schedule information of MBMS business is the MCH of this MBMS business of carrying;
In other embodiments, network equipment also can be gone up special-purpose MCH in the dispatching cycle of MCH of the pairing carrying of schedule information MBMS business of each MBMS business of carrying and to be configured to special-purpose MCH minimum dispatching cycle and to go up the cycle that sends schedule information;
The pairing MCH of the schedule information of described MBMS business is the MCH of this MBMS business of carrying.
The concrete configuration content of the schedule information of each MBMS business that network equipment carries on special-purpose MCH channel comprises at least: beginning subframe numbers, end subframe numbers, persistence length, whether medium a subframe with a previous business or a back service integration.
Step 503: when UE need receive the MBMS business, UE is according to the configuration information of special-purpose MCH channel, when the transmission cycle of special-purpose MCH arrives, on special-purpose MCH channel, receive the schedule information of the MBMS business that will receive, and then the business on the different MCH is received.
In this step, network side can be notified to UE by the configuration information of MCH channel that system message or control messages will be exclusively used in the carrying schedule information, and at this moment, UE obtains the configuration information of special-purpose MCH channel by system message or control messages; Certainly, UE also can with the made an appointment configuration information of special-purpose MCH channel of network equipment.
In other embodiments, system also can dispose many special-purpose MCH channels, at this moment, and can be with all MCH according to classifying dispatching cycle, a MCH among many then that dispatching cycle is the identical MCH is as special-purpose MCH, and the transmission cycle of this special use MCH can be thought the dispatching cycle of this MCH.
From the foregoing description as can be seen, the present invention is directed to the delivery plan that a kind of schedule information of MBMS business is provided under the scene of many MCH, after adopting technical solution of the present invention, receiving terminal needing can obtain the more specific location information of MBMS business in a dispatching cycle of acceptance accurately, especially, when UE need receive a plurality of MBMS when professional simultaneously, schedule information that can these MBMS business of disposable acquisition, thereby the operation of having avoided UE to read the schedule information of dispersion for many times, saved UE electric power, improve receiving efficiency, and had higher wave point signaling transmitting efficiency.
Certainly; the present invention also can have numerous embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making various corresponding changes or variation according to the present invention; in every case any modification of being done within the spirit and principles in the present invention, be equal to replacements, improvement, all should be included within the protection range of the appended claim of the present invention.
Claims (11)
1. the method for a transmitting scheduling information is characterized in that, this method comprises:
Many first Multicast Channels (MCH) that are used for bearing multimedia broadcast and multicast service (MBMS) of network equipment configuration, and the 2nd MCH that is used to carry schedule information;
The schedule information of the MBMS business of each MCH carrying is carried on described the 2nd MCH goes up and send, wherein, the identification information of the MCH of schedule information by carrying this MBMS business that described the 2nd MCH goes up each MBMS business of carrying identifies.
2. the method for claim 1 is characterized in that,
The 2nd MCH of described network equipment configuration, only be used to carry schedule information, perhaps be used to carry the schedule information of MBMS business and a plurality of MBMS business, wherein, when the 2nd MCH was used to carry the schedule information of the professional and a plurality of MBMS business of MBMS, the schedule information of the MBMS business that described network equipment carries each MCH was carried on the fixed position of described the 2nd MCH and sends.
3. method as claimed in claim 2 is characterized in that,
When described the 2nd MCH only is used to carry schedule information,, then read the configuration information of described the 2nd MCH, on described the 2nd MCH, read the schedule information of the MBMS business that will receive if subscriber equipment need receive the MBMS business;
When described the 2nd MCH is used to carry the schedule information of MBMS business and a plurality of MBMS business, if subscriber equipment need receive the MBMS business, then read the configuration information of described the 2nd MCH, on the fixed position of described the 2nd MCH, read the schedule information of the MBMS business that will receive.
4. as each described method of claim 1 to 3, it is characterized in that,
The make an appointment configuration information of described first and second MCH of described network equipment and described subscriber equipment; Perhaps
Described network equipment is notified to described subscriber equipment by system message with the configuration information of described first and second MCH; Perhaps
Described network equipment is notified to described subscriber equipment by control messages with the configuration information of described first and second MCH.
5. as each described method of claim 1 to 3, it is characterized in that,
Described network equipment cycle on described the 2nd MCH sends the schedule information of each MBMS business, wherein, described network equipment is configured to the cycle that the 2nd MCH goes up the transmission schedule information with the least common multiple of the dispatching cycle of the pairing MCH of schedule information of each MBMS business of the last carrying of described the 2nd MCH; Perhaps described network equipment is gone up described the 2nd MCH in the dispatching cycle of the pairing MCH of schedule information of each MBMS business of carrying and to be configured to the 2nd MCH minimum dispatching cycle and to go up the cycle that sends schedule information;
The pairing MCH of the schedule information of described MBMS business is the MCH of this MBMS business of carrying.
6. the system of a transmitting scheduling information is characterized in that, this system comprises network equipment and subscriber equipment, wherein:
Described network equipment, be used to dispose many first Multicast Channels (MCH) that are used for bearing multimedia broadcast and multicast service (MBMS), and the 2nd MCH that is used to carry schedule information, and the schedule information of the MBMS business of each MCH carrying is carried on described the 2nd MCH goes up and send, wherein, described the 2nd MCH identification information of the MCH of schedule information by carrying this MBMS business of going up each MBMS business of carrying identifies;
Described subscriber equipment is used for reading the schedule information of the MBMS business that will receive on described the 2nd MCH when needs receive the MBMS business.
7. system as claimed in claim 6 is characterized in that,
Described network equipment, the 2nd MCH that is disposed only is used to carry schedule information, perhaps carry the schedule information of MBMS business and a plurality of MBMS business, wherein, during the schedule information of and a plurality of MBMS business professional as described the 2nd MCH carrying MBMS, described network equipment is carried on the schedule information of a plurality of MBMS business on the fixed position of described the 2nd MCH and sends.
8. as claim 6 or 7 described systems, it is characterized in that,
Described network equipment cycle on described the 2nd MCH sends the schedule information of each MBMS business, wherein, described network equipment is configured to the cycle that the 2nd MCH goes up the transmission schedule information with the least common multiple of the dispatching cycle of the pairing MCH of schedule information of each MBMS business of the last carrying of described the 2nd MCH; Perhaps described network equipment is gone up described the 2nd MCH in the dispatching cycle of the pairing MCH of schedule information of each MBMS business of carrying and to be configured to the 2nd MCH minimum dispatching cycle and to go up the cycle that sends schedule information;
The pairing MCH of the schedule information of described MBMS business is the MCH of this MBMS business of carrying.
9. the network equipment of a transmitting scheduling information is characterized in that, this device comprises dispensing unit and issue the unit, wherein:
Described dispensing unit is used to dispose many first Multicast Channels (MCH) that are used for bearing multimedia broadcast and multicast service (MBMS), and the 2nd MCH that is used to carry schedule information;
The described unit that issues, be used for and the schedule information of the MBMS business of each MCH carrying be carried on described the 2nd MCH going up and sending, wherein, described the 2nd MCH identification information of the MCH of schedule information by carrying this MBMS business of going up each MBMS business of carrying identifies.
10. network equipment as claimed in claim 9 is characterized in that,
Described dispensing unit, the 2nd MCH that is disposed only is used to carry schedule information, perhaps is used to carry the schedule information of MBMS business and a plurality of MBMS business;
When described the 2nd MCH was used to carry the schedule information of the professional and a plurality of MBMS business of MBMS, the described unit that issues was carried on the schedule information of a plurality of MBMS business on the fixed position of described the 2nd MCH and sends.
11. as claim 9 or 10 described network equipments, it is characterized in that,
Described dispensing unit, the least common multiple of dispatching cycle of the pairing MCH of schedule information of described the 2nd MCH being gone up each MBMS business of carrying is configured to the 2nd MCH and goes up the cycle that sends schedule information; Perhaps be configured to the 2nd MCH and go up the cycle that sends schedule information minimum dispatching cycle in the dispatching cycle of the pairing MCH of schedule information of each MBMS business that described the 2nd MCH is upward carried, wherein, the pairing MCH of the schedule information of described MBMS business is the MCH of this MBMS business of carrying;
The described unit that issues, the 2nd MCH that disposes according to described dispensing unit goes up the schedule information that the cycle that sends schedule information sends each MBMS business.
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