CN101841769A - Transmission method, system and device of MBMS - Google Patents
Transmission method, system and device of MBMS Download PDFInfo
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- CN101841769A CN101841769A CN200910080274A CN200910080274A CN101841769A CN 101841769 A CN101841769 A CN 101841769A CN 200910080274 A CN200910080274 A CN 200910080274A CN 200910080274 A CN200910080274 A CN 200910080274A CN 101841769 A CN101841769 A CN 101841769A
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- 230000005540 biological transmission Effects 0.000 title abstract description 52
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- 102100033721 Pro-MCH Human genes 0.000 description 10
- 101800002739 Melanin-concentrating hormone Proteins 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 101150096310 SIB1 gene Proteins 0.000 description 4
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Abstract
The invention discloses a transmission method, a system and a device of MBMS, which are used for enabling a UE side to accurately obtain the MBMS so as to realize the MBMS in an LTE system. The MBMS sending method comprises the following steps that: a base station sends the physical resource position information of a multicast control channel MCCH of the MBMS to user equipment UE; the base station sends the information of a multi-cast business channel MTCH which corresponds to the MCCH and is used for carrying the MBMS to the UE; and the base station sends the MBMS to the UE through the MTCH.
Description
Technical field
The present invention relates to communication technical field, relate in particular to transmission method, system and the device of a kind of multimedia broadcast-multicast service (MBMS, Multimedia Broadcast Multicast Service).
Background technology
The be otherwise known as multimedia broadcast-multicast service (eMBMS, evolved MBMS) of evolution of MBMS in Long Term Evolution (LTE, the Long Term Evolution) system, its major function is to realize broadcasting and multicast service in the LTE system.
Multimedia broadcast-multicast service Single Frequency Network (MBSFN, Multimedia Broadcast multicast service Single Frequency Network) transmission (MBSFN Transmission), be a kind of radio hookup transmission technology, transmit consistent signal waveform in a plurality of sub-districts simultaneously.As shown in Figure 1, the several basic conceptions that MBMS is relevant is described below:
MBSFN retaining zone (MBSFN Synchronization Area): all evolved base station (eNodeB) all can be obtained synchronously, and carry out the zone of MBSFN transmission.
MBSFN zone (MBSFN Area): one group of sub-district in MBSFN area containing network in MBSFN retaining zone.
Transmission/announcement sub-district, MB SFN territory (MB SFN Area Transmitting and Advertising Cell): the class sub-district in the MBSFN zone had both participated in MBSFN and had sent the announcement that also participates in MBSFN transmission availability in the sub-district.
MBSFN zone sends sub-district (MBSFN Area Transmitting-Only Cell): the class sub-district in the MBSFN zone, it only participates in MBSFN and sends and do not participate in the announcement that the MBSFN sub-district in transmits availability.
The MBSFN zone keeps sub-district (MBSFN Area Reserved Cell): a sub-district in the MBSFN zone, it does not participate in MBSFN and sends.
The MBMS transmission can be divided into many cell transmission and single cell transmission, and many cell transmission adopt the MBSFN transmission, and single cell transmission adopts point to multiple spot (PTM, point-to-multipoint) transmission.The sub-district that is used for the MBMS transmission is divided into MBMS dedicated cell and MBMS/ clean culture (Unicast) mixed cell, in the MBMS dedicated cell, MBMS transmission business, and in the MBMS/Unicast mixed cell, existing MBMS business, the Unicast business is also arranged, and the two transmits with cooperative mode.
Introduce the relevant logic channel of eMBMS below
Broadcast Control Channel (BCCH, Broadcast Control Channel) is used for network to subscriber equipment (UE) broadcast system information.
Multicast control channel (MCCH, Multicast Control Channel), be the down channel of a point to multiple spot (point-to-multipoint), be used for network to the relevant control information of UE MBMS transmission, a MCCH can be corresponding to one or more multicast service channels (MTCH, Multicast Traffic Channel); This channel has only the UE that can receive the MBMS business just can use.
The structure of MCCH is followed following principle:
BCCH is used to indicate one or two main MCCH (Primary MCCH), when having two Primary MCCH, a Primary MCCH is used for DSCH Downlink Shared Channel (DL-SCH, Downlink Shared Channel) the single cell transmission on, the many cell transmission that are used on the Multicast Channel (MCH, Multicast Channel).If the last existence of MCH time MCCH (Secondary MCCH), then the Primary MCCH on the MCH also can point to the Secondary MCCH on the MCH.Wherein, MCH belongs to transmission channel, is used to support the MBSFN transmission of many sub-districts, and MCCH and MTCH all can be mapped on the MCH and transmit.DL-SCH belongs to transmission channel, can be used for supporting single sub-district PTM transmission, and when single sub-district PTM transmitted, MCCH and MTCH all can be mapped on the DL-SCH and transmit.
BCCH only points to the resource that Primary MCCH can be found, i.e. the BCCH availability of indicating services not.
Can there be a plurality of MCCH in a plurality of overlapping MTCH-MBSFN zones, in this case, can utilize Secondary MCCH to indicate different MBSFN zones.If a MTCH-MBSFN is only arranged, then only need a MCCH, be Primary MCCH, if and a plurality of overlapping MTCH-MBSFN zones are arranged, then in this zone, except Primary MCCH, also need to adopt Secondary MCCH, so just can divide different MBSFN zones and come.For example, certain base station belongs to two overlapping MTCH-MBSFN zones, in then should the zone, need a Primary MCCH, a Secondary MCCH, the base station utilizes the found resource of BCCH indication Primary MCCH energy, utilizes the found resource of Primary MCCH indication Secondary MCCH energy again.
MTCH is the down channel of a point to multiple spot, is used for network to the UE transferring MBMS service data, and this channel has only the UE that can receive the MBMS business just can use.The information of MTCH is to be indicated by its corresponding MCCH.Network utilisation BCCH indicates MCCH to UE, utilizes MCCH to indicate MTCH to UE again, thereby makes UE can be received in the MBMS business that MTCH goes up carrying.
To sum up, the MBMS relevant information of carrying in each logic channel is shown in following table one:
| Channel | The MBMS relevant information |
| ????BCCH | One or two Primary MCCH |
| ????Primary?MCCH | Secondary MCCH (if existence), MTCH |
| ????Secondary?MCCH | ????MTCH |
| ????MTCH | The MBMS business |
Table one
MCCH, MTCH, MCH, DL-SCH, physics multicast channel (PMCH, Physical Multicast Channel), Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel) mapping relations as shown in Figure 2, wherein MCCH and MTCH are descending logic channel, MCH and DL-SCH are descending transmission channel, and PMCH and PDSCH are down physical channel.
In the current LTE system, the subframe # 0 of each radio frames is used to transmit main message blocks (MIB, Master Information Block), the subframe # 5 of even number radio frames is used for transmission system message blocks 1 (SIB1, System Information Block 1), and other SIB will transmit by system message (SI, System Information), can comprise a plurality of SIB in the SI message.Can carry the schedule information of SI message among the SIB1,, and all comprise which SIB among each SI as the cycle of SI, the length of SI window, like this, after having received SIB1, just UE can continue to have received other SIB according to the information among the SIB1.At present, the information of MBSFN sub-frame allocation is placed among the SIB2 and transmits.
In the LTE system, the subframe that can be used for the MBSFN transmission is different for Frequency Division Duplexing (FDD) (FDD) with time division duplex (TDD) system.For the FDD system, subframe # 0, #4, #5 and #9 can not be used for the MBSFN transmission; For the TDD system, subframe # 0, #1, #2, #5 and #6 can not be used for the MBSFN transmission.That is to say, to have only subframe # 1, #2, #3, #6, #7 and #8 to can be used for the MBSFN transmission for LTE FDD system; And, have only subframe # 3, #4, #7, #8 and #9 to can be used for the MBSFN transmission for LTE TDD system.
Yet, in prior LTE system, basic framework and the channel architecture of MBMS have only been provided, do not have control corresponding channel resource design, for example, how to find Primary MCCH by BCCH, and how to find Secondary MCCH also not provide concrete solution by Primary MCCH, that is to say, only point out in the prior art to indicate MCCH by BCCH, but how indicate MCCH also not clear and definite, so UE can not obtain MBMS, also just can't realize MBMS by BCCH.
Summary of the invention
The embodiment of the invention provides transmission method, system and the device of a kind of MBMS, with so that the UE side can accurately be obtained MBMS, thereby realizes MBMS in the LTE system.
The sending method of a kind of MBMS that the embodiment of the invention provides comprises:
The base station sends to user equipment (UE) with the physical resource positional information of the multicast control channel MCCH of MBMS;
Described base station is by described MCCH, and the information of multicast service channel MTCH that is used to carry MBMS of this MCCH correspondence is sent to UE;
Described base station sends to UE by described MTCH with MBMS.
The method of reseptance of a kind of MBMS that the embodiment of the invention provides comprises:
The physical resource positional information of the multicast control channel MCCH of the MBMS that user equipment (UE) reception base station sends;
Described UE is by the physical resource positional information of described MCCH, determine the physical resource position at described MCCH place, and obtain the content of described MCCH from described physical resource position, determine the information of the multicast service channel MTCH of carrying MBMS according to the content of described MCCH;
Described UE utilizes the information of described MTCH, obtains the MBMS that described MTCH goes up carrying.
A kind of base station that the embodiment of the invention provides comprises:
The physical resource position information sending unit is used for the physical resource positional information of the multicast control channel MCCH of multimedia broadcast-multicast service MBMS is sent to user equipment (UE);
The MCCH transmitting element is used for by described MCCH, and the information of multicast service channel MTCH that is used to carry MBMS of this MCCH correspondence is sent to UE;
The MTCH transmitting element is used for by described MTCH MBMS being sent to UE.
A kind of subscriber equipment that the embodiment of the invention provides comprises:
The physical resource location information acquiring unit is used to receive the physical resource positional information of the multicast control channel MCCH of the multimedia broadcast-multicast service MBMS that the base station sends;
The MCCH acquiring unit, be used for physical resource positional information by described MCCH, determine the physical resource position at described MCCH place, and obtain the content of described MCCH from described physical resource position, determine the information of the multicast service channel MTCH of carrying MBMS according to the content of described MCCH;
The MTCH acquiring unit is used to utilize the information of described MTCH, obtains the MBMS that described MTCH goes up carrying.
A kind of communication system that the embodiment of the invention provides comprises:
The base station is used for the physical resource positional information of the multicast control channel MCCH of multimedia broadcast-multicast service MBMS is sent to subscriber equipment; By described MCCH, the information of multicast service channel MTCH that is used to carry MBMS of this MCCH correspondence is sent to subscriber equipment; By described MTCH MBMS is sent to subscriber equipment;
Subscriber equipment is used to receive the physical resource positional information of described MCCH, determines the physical resource position of described MCCH by the physical resource positional information of described MCCH, and obtains the information of the described MTCH that carries the described MCCH from described physical resource position; Utilize the information of described MTCH, obtain the MBMS that described MTCH goes up carrying.
The embodiment of the invention sends to UE by the base station with the physical resource positional information of the multicast control channel MCCH of MBMS; Described base station is by described MCCH, and the information of multicast service channel MTCH that is used to carry MBMS of this MCCH correspondence is sent to UE; Described base station sends to UE by described MTCH with MBMS, thereby makes the UE side accurately to obtain MBMS, has realized the MBMS in the LTE system.
Description of drawings
Fig. 1 is the schematic diagram of MBMS relevant range in the prior art;
Fig. 2 is the mapping relations schematic diagram of MBMS correlated channels in the prior art;
The schematic flow sheet of the sending method of a kind of MBMS that Fig. 3 provides for the embodiment of the invention;
The idiographic flow schematic diagram of the transmission method of a kind of MBMS that Fig. 4 provides for the embodiment of the invention;
The physical layer frame structure schematic diagram of a kind of LTE FDD system that Fig. 5 provides for the embodiment of the invention;
The physical layer frame structure schematic diagram of a kind of LTE TDD system that Fig. 6 provides for the embodiment of the invention;
The structural representation of a kind of communication system that Fig. 7 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides transmission method, system and the device of a kind of MBMS, with so that the UE side can accurately be obtained MBMS, thereby realizes MBMS in the LTE system.
The described MBMS control channel of the embodiment of the invention specifically is meant MCCH, and, if only there is a MTCH-MBSFN base station, then only need a MCCH, promptly the MBMS control channel only is Primary MCCH; And if a plurality of overlapping MTCH-MBSFN zones are arranged, then except Primary MCCH, the MBMS control channel also comprises Secondary MCCH.
Below in conjunction with accompanying drawing the technical scheme that the embodiment of the invention provides is described.
Referring to Fig. 3, the sending method of a kind of MBMS that the embodiment of the invention provides totally comprises step:
S101, base station send to UE with the physical resource positional information of the MCCH of MBMS.
S102, base station be by MCCH, and the information of MTCH that is used to carry MBMS of this MCCH correspondence is sent to UE.
S103, base station send to UE by MTCH with MBMS.
Referring to Fig. 4, the transmission method of a kind of MBMS that the embodiment of the invention provides specifically comprises step:
S201, base station are by the concrete physical resource positional information of BCCH to UE broadcasting Primary MCCH.
S202, UE find Primary MCCH by the concrete physical resource positional information of the Primary MCCH that carries among the BCCH, and read the content of Primary MCCH.
The content of Primary MCCH comprises the information of MTCH, and the information of MTCH comprises: the configuration information of MTCH and schedule information.
S203, UE judge the concrete physical resource positional information that whether contains Secondary MCCH in the content of Primary MCCH, if, execution in step S205 then; Otherwise, execution in step S204.
If a plurality of overlapping MTCH-MBSFN zones are arranged, then Primary MCCH need indicate the concrete physical resource positional information of Secondary MCCH.
S204, UE find MTCH according to the information of the MTCH that carries among the Primary MCCH, and obtain the MBMS business tine from MTCH.
S205, UE find Secondary MCCH, and read the content of this Secondary MCCH by the concrete physical resource positional information of the Secondary MCCH that carries among the Primary MCCH.
The content of Secondary MCCH comprises the information of the MTCH of Secondary MCCH correspondence, and the information of the MTCH of Secondary MCCH correspondence comprises: the configuration information of this MTCH and schedule information.
S206, UE find the MTCH of Secondary MCCH correspondence according to the information of the MTCH of Secondary MCCH correspondence, and obtain the MBMS business tine from this MTCH.
Among the MCCH (comprising Primary MCCH and Secondary MCCH) except some configuration informations that comprise its corresponding MTCH, also need to comprise the schedule information of this MTCH, UE reads after the content of MCCH, can find the position at the MTCH place of this MCCH correspondence according to the schedule information of MTCH.
The embodiment of the invention all is suitable for for single sub-district PTM and many sub-districts MBSFN.
Provide several specific embodiments at LTE FDD system and LTE TDD system respectively below:
Embodiment 1:
The physical layer frame structure of LTE FDD system as shown in Figure 5, wherein, subframe # 0, #4, #5 and #9 are not used in MBSFN transmission, the length of each subframe is 1 millisecond (ms).
Suppose that current area is the MBMS/Unicast mixed cell, and overlapping two MBSFN zones, be respectively MBSFN zone 1 and MBSFN zone 2.Subframe # 1 and #2 are used for MBSFN zone 1, and corresponding to Primary MCCH, and subframe # 6 and #7 are used for MBSFN zone 2, and corresponding to Secondary MCCH, remaining subframe # 3 and #8 are used for the Unicast business.The information that comprises concrete physical resource position, Secondary MCCH place among the Primary MCCH.Primary MCCH and Secondary MCCH all comprise the information of each self-corresponding MTCH.
The information of the concrete physical resource of indication Primary MCCH position is carried in the base station in BCCH, send to UE by broadcast, the concrete resource location of notice UE Primary MCCH in subframe # 1 and #2, UE is according to this information, monitor subframe # 1 and #2, solve the content of Primary MCCH, UE will receive MTCH in the indicated MTCH information of Primary MCCH on corresponding subframe.Same, according among the Primary MCCH about the information (being the information of Secondary MCCH) of the concrete physical resource position of Secondary MCCH at subframe # 6 and #7, find Secondary MCCH, according to the MTCH information among the Secondary MCCH, receiving the MBMS that carries on the MTCH on the corresponding subframe then.
Preferably, the distribution method of the concrete physical resource position of above-mentioned required indication comprises:
Use the concrete Physical Resource Block group of distributing of bit mapping (bitmap) indication, the size of each Physical Resource Block group is relevant with system bandwidth, and the Physical Resource Block group is big more, and system bandwidth is wide more.For example, the Physical Resource Block (PRB) that comprises in the current physical piece group is 50, then need to use 50 bits to identify the operating position of these 50 PRB one by one, for example, when the bit of certain PRB correspondence is 1, then represent this PRB to be used, and when the bit of certain PRB correspondence is 0, then represent this PRB not to be used.Adopt this mode, need the concrete physical resource positional information of the Primary MCCH that comprises to comprise two parts information among the BCCH: a part of information is the information of the Physical Resource Block group at Primary MCCH place, for example be somebody's turn to do the sign of group, in order to distinguish each Physical Resource Block group; Another part information is for the mapping of the bit in the Physical Resource Block group that identifies by 50 bits indication, in order to the concrete physical resource position in the Physical Resource Block group of pointing out Primary MCCH place.
Except the method for above-mentioned resource allocation, can also adopt existing multiple physical source distributing mode in the present physical layer protocol 36.213 of LTE.
Embodiment 2:
Physical layer frame structure referring to LTE FDD shown in Figure 5, suppose that current area is the MBMS/Unicast mixed cell, there are single sub-district PTM transmission and a MBSFN transmission of being used for the MBMS business simultaneously, subframe # 1 and #2 are used for single sub-district PTM transmission, corresponding to Primary MCCH, and subframe # 6 and #7 are used for the MBSFN transmission, and corresponding to Secondary MCCH, remaining subframe # 3 and #8 are used for the Unicast business.The information that comprises concrete physical resource position, Secondary MCCH place among the Primary MCCH.Primary MCCH and Secondary MCCH all comprise the information of its corresponding MTCH.
The information of the concrete physical resource of indication Primary MCCH position is carried in the base station in BCCH, send to UE by broadcast, the concrete resource location of notice UE Primary MCCH in subframe # 1 and #2, UE is according to this information, monitor subframe # 1 and #2, solve the content of Primary MCCH, UE receives the MBMS that carries on the MTCH according to the indicated MTCH information of Primary MCCH on corresponding subframe.Same, according among the Primary MCCH about the information (being the information of Secondary MCCH) of the concrete physical resource of Secondary MCCH position at subframe # 6 and #7, find Secondary MCCH, according to the MTCH information among the Secondary MCCH, receiving the MBMS that carries on its MTCH on the corresponding subframe then.Concrete physical resource position distribution method is with physical resource position distribution method among the embodiment 1.
Embodiment 3:
Physical layer frame structure referring to LTE FDD shown in Figure 5, suppose that current area is the MBMS/Unicast mixed cell, there is the single sub-district PTM transmission that is used for the MBMS business, subframe # 1, #2 and #3 are used for single sub-district PTM transmission, corresponding to Primary MCCH, and subframe # 6, #7 and #8 are used for the Unicast business.The information that comprises its corresponding MTCH among the Primary MCCH.
The information of the concrete physical resource of indication Primary MCCH position is carried in the base station in BCCH, send to UE by broadcast, the concrete resource location of notice UE Primary MCCH in subframe # 1, #2 and #3, UE is according to this information, monitor subframe # 1, #2 and #3, solve the content of Primary MCCH, indicated MTCH information in the content of UE according to Primary MCCH receives the MBMS that carries on the MTCH on corresponding subframe.Concrete physical resource position distribution method is with physical resource position distribution method among the embodiment 1.
Embodiment 4:
Fig. 6 shows the physical layer frame structure of configuration 2 in the LTE TDD system, and wherein U represents sub-frame of uplink, and D represents descending sub frame, and S represents time slot at interval, and sub-frame of uplink is 1 to 3 with the proportionate relationship of descending sub frame as can be known.Subframe # 0, #1, #5 and #6 are not used in the MBSFN transmission.And subframe # 2 and #7 are sub-frame of uplink, can not be used for the MBSFN transmission.
Suppose that current area is the MBMS/Unicast mixed cell, and overlapping two MBSFN zones, be respectively MBSFN zone 1 and MBSFN zone 2.Subframe # 3 is used for MBSFN zone 1, and corresponding to Primary MCCH, and subframe # 8 is used for MBSFN zone 2, and corresponding to Secondary MCCH, remaining subframe # 4 and #9 are used for the Unicast business.The information that comprises concrete physical resource position, Secondary MCCH place among the Primary MCCH.Primary MCCH and Secondary MCCH all comprise the information of its corresponding MTCH.
The information of the concrete physical resource of indication Primary MCCH position is carried in the base station in BCCH, send to UE by broadcast, the concrete resource location of notice UE Primary MCCH in subframe # 3, UE is according to this information, monitor subframe # 3, solve the content of Primary MCCH, UE receives the MBMS that carries on the MTCH according to the indicated MTCH information of Primary MCCH on corresponding subframe.Same, according among the Primary MCCH about the information (being the information of Secondary MCCH) of the concrete physical resource of Secondary MCCH position at subframe # 8, find Secondary MCCH, according to the MTCH information among the Secondary MCCH, on corresponding subframe, receive the MBMS that its MTCH carries then.Concrete physical resource position distribution method is with physical resource position distribution method among the embodiment 1.
Embodiment 5:
Physical layer frame structure referring to configuration 2 in the LTE TDD system shown in Figure 6, suppose that current area is the MBMS/Unicast mixed cell, there are single sub-district PTM transmission and a MBSFN transmission of being used for the MBMS business simultaneously, subframe # 3 is used for single sub-district PTM transmission, corresponding to Primary MCCH, and subframe # 8 is used for the MBSFN transmission, and corresponding to Secondary MCCH, remaining subframe # 4 and #9 are used for the Unicast business.The information that comprises concrete physical resource position, Secondary MCCH place among the Primary MCCH.Primary MCCH and Secondary MCCH all comprise the information of its corresponding MTCH.
The information of the concrete physical resource of indication Primary MCCH position is carried in the base station in BCCH, send to UE by broadcast, the concrete resource location of notice UE Primary MCCH in subframe # 3, UE is according to this information, monitor subframe # 3, solve the content of Primary MCCH, UE receives the MBMS on the MTCH according to the indicated MTCH information of Primary MCCH on corresponding subframe.Same, according among the Primary MCCH about the information (being the information of Secondary MCCH) of the concrete physical resource of Secondary MCCH position at subframe # 8, find Secondary MCCH, according to the MTCH information among the Secondary MCCH, receiving the MBMS that carries on its MTCH on the corresponding subframe then.Concrete physical resource position distribution method is with physical resource position distribution method among the embodiment 1.
Embodiment 6:
Physical layer frame structure referring to configuration 2 in the LTE TDD system shown in Figure 6, suppose that current area is the MBMS/Unicast mixed cell, there is the single sub-district PTM transmission that is used for the MBMS business, subframe # 3 and #4 are used for single sub-district PTM transmission, corresponding to Primary MCCH, and subframe # 8 and #9 are used for the Unicast business.The information that comprises its corresponding MTCH among the Primary MCCH.
The information of the concrete physical resource of indication Primary MCCH position is carried in the base station in BCCH, send to UE by broadcast, the concrete resource location of notice UE Primary MCCH in subframe # 3 and #4, UE is according to this information, monitor subframe # 3 and #4, solve the content of Primary MCCH, UE receives the MBMS that carries on the MTCH according to the indicated MTCH information of Primary MCCH on corresponding subframe.Concrete physical resource position distribution method is with physical resource position distribution method among the embodiment 1.
Referring to Fig. 7, a kind of communication system that the embodiment of the invention provides comprises: base station 11 and at least one subscriber equipment 12.
Preferably, described base station 11 comprises:
Physical resource position information sending unit 111 is used for the physical resource positional information of the MCCH of MBMS is sent to UE 12.
Preferably, described physical resource position information sending unit 11 1, by the physical resource positional information of BCCH to UE 12 broadcasting MCCH, wherein, this MCCH is main MCCH.
Preferably, described MCCH transmitting element 112 comprises:
Main MCCH transmitting element 21 is used for by main MCCH, and with the information of the MTCH of this main MCCH correspondence, and the physical resource positional information of inferior MCCH sends to UE 12.
Inferior MCCH transmitting element 22 is used for by inferior MCCH, and the information of the MTCH of this time MCCH correspondence is sent to UE 12.
Described MTCH transmitting element 113 comprises:
Main MTCH transmitting element 31 is used for by the MTCH of main MCCH correspondence MBMS being sent to UE 12.
Inferior MTCH transmitting element 32 is used for by the MTCH of inferior MCCH correspondence MBMS being sent to UE 12.
Preferably, described subscriber equipment 12 comprises:
Physical resource location information acquiring unit 121 is used to receive the physical resource positional information of the MCCH of the MBMS that base station 11 sends.
In sum, the embodiment of the invention utilizes the base station to give UE with the concrete physical resource location information notification of the MCCH of MBMS, makes UE can accurately find MCCH, and obtains the information of MTCH from MCCH, thereby obtain the MBMS that network side sends from MTCH, in the LTE system, realized MBMS.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the sending method of a multimedia broadcast-multicast service MBMS is characterized in that, this method comprises:
The base station sends to user equipment (UE) with the physical resource positional information of the multicast control channel MCCH of MBMS;
Described base station is by described MCCH, and the information of multicast service channel MTCH that is used to carry MBMS of this MCCH correspondence is sent to UE;
Described base station sends to UE by described MTCH with MBMS.
2. method according to claim 1 is characterized in that, described base station comprises the step that the physical resource positional information of described MCCH sends to UE:
The physical resource positional information of described MCCH is broadcasted in described base station to UE by BCCH channel of broadcast control.
3. method according to claim 1 and 2 is characterized in that, described MCCH is main MCCH, and this method also comprises:
Described base station is by described main MCCH, and the physical resource positional information of inferior MCCH is sent to UE;
Described base station is by described MCCH, and the information of the MTCH of inferior MCCH correspondence is sent to UE;
Described base station sends to UE by the MTCH of described MCCH correspondence with MBMS.
4. method according to claim 1 is characterized in that, the information of described MTCH comprises: the configuration information of described MTCH and schedule information.
5. the method for reseptance of a multimedia broadcast-multicast service MBMS is characterized in that, this method comprises:
The physical resource positional information of the multicast control channel MCCH of the MBMS that user equipment (UE) reception base station sends;
Described UE is by the physical resource positional information of described MCCH, determine the physical resource position at described MCCH place, and obtain the content of described MCCH from described physical resource position, determine the information of the multicast service channel MTCH of carrying MBMS according to the content of described MCCH;
Described UE utilizes the information of described MTCH, obtains the MBMS that described MTCH goes up carrying.
6. a base station is characterized in that, described base station comprises:
The physical resource position information sending unit is used for the physical resource positional information of the multicast control channel MCCH of multimedia broadcast-multicast service MBMS is sent to user equipment (UE);
The MCCH transmitting element is used for by described MCCH, and the information of multicast service channel MTCH that is used to carry MBMS of this MCCH correspondence is sent to UE;
The MTCH transmitting element is used for by described MTCH MBMS being sent to UE.
7. base station according to claim 6 is characterized in that, described physical resource position information sending unit is broadcasted the physical resource positional information of described MCCH to UE by BCCH channel of broadcast control.
8. according to claim 6 or 7 described base stations, it is characterized in that described MCCH is main MCCH, described MCCH transmitting element comprises:
Main MCCH transmitting element is used for by main MCCH, and with the information of the MTCH of this main MCCH correspondence, and the physical resource positional information of inferior MCCH sends to UE;
Inferior MCCH transmitting element is used for by inferior MCCH, and the information of the MTCH of this time MCCH correspondence is sent to UE;
Described MTCH transmitting element comprises:
Main MTCH transmitting element is used for by the MTCH of main MCCH correspondence MBMS being sent to UE;
Inferior MTCH transmitting element is used for by the MTCH of inferior MCCH correspondence MBMS being sent to UE.
9. a subscriber equipment is characterized in that, this subscriber equipment comprises:
The physical resource location information acquiring unit is used to receive the physical resource positional information of the multicast control channel MCCH of the multimedia broadcast-multicast service MBMS that the base station sends;
The MCCH acquiring unit, be used for physical resource positional information by described MCCH, determine the physical resource position at described MCCH place, and obtain the content of described MCCH from described physical resource position, determine the information of the multicast service channel MTCH of carrying MBMS according to the content of described MCCH;
The MTCH acquiring unit is used to utilize the information of described MTCH, obtains the MBMS that described MTCH goes up carrying.
10. a communication system is characterized in that, this system comprises:
The base station is used for the physical resource positional information of the multicast control channel MCCH of multimedia broadcast-multicast service MBMS is sent to subscriber equipment; By described MCCH, the information of multicast service channel MTCH that is used to carry MBMS of this MCCH correspondence is sent to subscriber equipment; By described MTCH MBMS is sent to subscriber equipment;
Subscriber equipment is used to receive the physical resource positional information of described MCCH, determines the physical resource position of described MCCH by the physical resource positional information of described MCCH, and obtains the information of the described MTCH that carries the described MCCH from described physical resource position; Utilize the information of described MTCH, obtain the MBMS that described MTCH goes up carrying.
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| CN 200910080274 CN101841769B (en) | 2009-03-17 | 2009-03-17 | Transmission method, system and device of MBMS |
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| CN 200910080274 CN101841769B (en) | 2009-03-17 | 2009-03-17 | Transmission method, system and device of MBMS |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029511A1 (en) * | 2017-08-11 | 2019-02-14 | 维沃移动通信有限公司 | Method for indicating resource position for receiving broadcast messages, network device, user terminal, and system |
| WO2021134298A1 (en) * | 2019-12-30 | 2021-07-08 | Oppo广东移动通信有限公司 | Resource indication method and device, and communication apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1467586B1 (en) * | 2003-04-09 | 2010-05-19 | Samsung Electronics Co., Ltd. | Method for cell reselection in an MBMS mobile communication system |
| CN101262626B (en) * | 2007-03-05 | 2012-01-25 | 电信科学技术研究院 | MBMS channel transmission method and system, network and terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029511A1 (en) * | 2017-08-11 | 2019-02-14 | 维沃移动通信有限公司 | Method for indicating resource position for receiving broadcast messages, network device, user terminal, and system |
| US11272480B2 (en) | 2017-08-11 | 2022-03-08 | Vivo Mobile Communication Co., Ltd. | Method for indicating resource location to receive broadcast message, network device, user equipment and system |
| WO2021134298A1 (en) * | 2019-12-30 | 2021-07-08 | Oppo广东移动通信有限公司 | Resource indication method and device, and communication apparatus |
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