CN101552949B - Method and device for transmitting broadcast data during overlapping and coverage of multicast broadcast single frequency network (MBSFN) areas - Google Patents
Method and device for transmitting broadcast data during overlapping and coverage of multicast broadcast single frequency network (MBSFN) areas Download PDFInfo
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Abstract
The invention discloses a method for transmitting broadcast data during the overlapping and the coverage of multicast broadcast single frequency network (MBSFN) areas, which comprises the following steps: when it is judged that no MBSFN area which completely covers other MBSFN areas exists in overlapped MBSFN areas, virtualizing an intersection of all the MBSFN areas into a large MBSFN area; deploying broadcast signal paths according to a minimum resource capability of all the MBSFN areas; and transmitting all subframes of the broadcast signal paths in the large virtualized MBSFN area. The invention also discloses another method for transmitting the broadcast data, a device for deploying the broadcast signal paths and an MCE comprising the device. The embodiment of the invention defines the MBSFN area to which the broadcast signal paths in the overlapped MBSFN areas belong when the MBSFN areas are partially overlapped so as to define a resource deploying mode under the condition. Moreover, resource deploying information is transmitted to each frame so as to ensure that user equipment can be quickly accessed.
Description
Technical field
The present invention relates to the mobile communication technology field, more particularly, relate to the method and apparatus that transmits broadcast data when a kind of MBSFN (Multimedia Broadcast Single Frequency Network, multimedia broadcasting single frequency network) region overlapping covers.
Background technology
MBMS (Multimedia Broadcast and Multicast Service, multi-media broadcasting service) technology is by sharing a transmission link, and multi-medium data is sent to portable terminal in the mode of broadcast or multicast.
Fig. 1 shows at present the logical architecture schematic diagram at the E-MBMS of LTE (Long Term Evolution, Long Term Evolution) (E-Multimedia Broadcast/Multicast Service, multimedia broadcast/multi broadcast business).
Wherein, MBMS GW refers to the multi-media broadcasting service gateway, M1 is user plane interface (userplane interface), M2 is the inherent control plane interface of E-UTRAN (evolved UMTS Terrestrial radio access network), and M3 is the control plane interface between EPC (Evolved Packet Core evolution group center) and the E-UTRAN.
MCE (Multi-cell/Multicast Coordination Entity, many sub-districts/multicast coordination entity) is a kind of logic entity, and therefore, it can be the part of other network elements.The function of MCE be for all eNB distributing radio resource in the MBSFN zone of many cell transmission to carry out the MBSFN transmission, in addition, it also determines the detailed configuration mode (as modulation and encoding mechanism) etc. of wireless transmission.
At present in LTE, several load modes are arranged at the subframe at the broadcast channel synchronisation channel place of the proprietary carrier wave of MBMS:
The single sub-district of the information of mode one, broadcast channel and synchronizing channel sends, other resource informations in the described subframe adopt MBSFN to send, as shown in Figure 2, synchronizing channel P-SCH (Primarysynchronization channel wherein, primary synchronization channel) and S-SCH (Secondary synchronizationchannel, auxiliary synchronization channel) and broadcast channel list sub-district send.
MBSFN sends, as shown in Figure 3;
All resource informations in mode three, the described subframe all adopt MBSFN to send, as shown in Figure 4.
In the discussion of the proprietary carrier wave MBMS of LTE, most of manufacturer is more prone to adopt aforesaid way three, and consider under the overlapping coverage condition of MBSFN how to carry out the sending method of broadcast channel and P-MCCH (main MBMS control channel)/S-MCCH (auxilliary MBMS control channel).
The situation of the overlapping covering of MBSFN is divided into two kinds:
There are four MBSFN overlay areas in situation one, as shown in Figure 5, overlay area 4 maximums wherein, and it comprises other overlay area ( overlay area 1,2 and 3);
Two, two MBSFN zones of situation have overlapping, but wherein any one MBSFN zone can not cover another one MBSFN zone fully, and as shown in Figure 6, overlap in zone 11 and zone 12.
But, when above-mentioned situation two, have some problems, because determined in Physical Broadcast Channel (P-BCH), to understand system-side antenna quantity information in transmission system bandwidth information and the sub-district among the LTE at present if broadcast channel still adopts the SFN mode just to send.For example: in Fig. 6, big MBSFN zone (zone 11) system bandwidth is 10M, and system-side antenna quantity is configured to 1, and less relatively MBSFN zone (zone 12) system bandwidth is 20M, and system-side antenna quantity is configured to 2.So, how just can not know the configures physical broadcast channel in the sub-district of two MBSFN overlapping areas.
Summary of the invention
In view of this, the invention provides the method and apparatus that transmits broadcast data when a kind of MBSFN region overlapping covers, to solve prior art owing to existing the MBSFN region overlapping to cover, and wherein big MBSFN zone does not cover under the situation in little MBSFN zone, is in the problem that the sub-district of overlapping region can't the configures physical broadcast channel.
The present invention is achieved in that
Transmit the method for broadcast data when a kind of multimedia broadcasting single frequency network MBSFN region overlapping covers, comprising:
When in judging the MBSFN zone that overlaps, not having a MBSFN zone that covers other MBSFN zones fully, the intersection in above-mentioned all zone is invented a big MBSFN zone;
Least resource ability configuration broadcast channel according to all above-mentioned MBSFN zones;
The every frame of this broadcast channel place subframe all sends in described virtual big MBSFN zone.
Preferably, also comprise:
When one of existence covers the big MBSFN zone in other MBSFN zones fully in judging the MBSFN zone that overlaps, according to the least resource ability configuration broadcast channel in above-mentioned all MBSFN zones, the every frame of this broadcast channel place subframe all sends in described bigger MBSFN zone.
Preferably, also comprise:
When one of existence covers the big MBSFN zone in other MBSFN zones fully in judging the MBSFN zone that overlaps, to the different cycle of broadcast channel configuration;
Broadcast channel was sent on different MBSFN zones according to the different cycles.
The present invention also discloses the method that transmits broadcast data when another kind of multimedia broadcasting single frequency network MBSFN region overlapping covers, comprising:
When in judging the MBSFN zone that overlaps, not having a MBSFN zone that covers other MBSFN zones fully, to the different cycle of broadcast channel configuration;
Broadcast channel was sent on above-mentioned each MBSFN zone according to the different cycles.
Preferably, the described step that resource distribution is carried out in each overlapping MBSFN zone is to carry out when not having big MBSFN zone that covers other MBSFN zones fully in judging the MBSFN zone that overlaps.
Preferably, also comprise: when one of existence covers the big MBSFN zone in other MBSFN zones fully in judging the MBSFN zone that overlaps, according to the least resource ability configuration broadcast channel in above-mentioned all MBSFN zones; The every frame of this broadcast channel place subframe all sends in described big MBSFN zone.
The present invention discloses a kind of broadcast channel inking device, comprising:
Overlapping judging unit is used for judging whether the multimedia broadcasting single frequency network MBSFN zone that overlaps exists a MBSFN zone that covers other MBSFN zones fully;
First processing unit is used for when there is not a MBSFN zone that covers other MBSFN zones fully in the MBSFN zone that overlaps, and the intersection of above-mentioned All Ranges is invented a MBSFN zone;
First dispensing unit is used for the least resource ability configuration broadcast channel according to above-mentioned All Ranges;
First transmitting element is used for the every frame of this broadcast channel place subframe is sent in described virtual big MBSFN zone.
Preferably, also comprise:
Second processing unit is used for obtaining the resource allocation information of described first dispensing unit when one of the MBSFN zone existence that overlaps covers the big MBSFN zone in other MBSFN zones fully;
Second transmitting element is used for the every frame of this broadcast channel place subframe is sent in described bigger MBSFN zone.
Preferably, also comprise:
Second dispensing unit is used for when one of the MBSFN zone existence that overlaps covers the big MBSFN zone in other MBSFN zones fully, to the different cycle of broadcast channel configuration;
The 3rd transmitting element is used for broadcast channel was sent on different MBSFN zones according to the different cycles.
The present invention also discloses another kind of broadcast channel inking device, comprising:
The 3rd dispensing unit is used to correspond respectively to the multimedia broadcasting single frequency network MBSFN zone that each overlaps, to the different cycle of broadcast channel configuration;
The 4th transmitting element is used for broadcast channel was sent on above-mentioned each MBSFN zone according to the different cycles.
Preferably, described the 3rd dispensing unit carries out work when receiving trigger message, also comprise:
Overlapping judging unit is used for judging whether the MBSFN zone that overlaps exists a MBSFN zone that covers other MBSFN zones fully;
First trigger element is used for sending described trigger message when there is not a MBSFN zone that covers other MBSFN zones fully in the MBSFN zone that overlaps.
Preferably, also comprise:
The 3rd processing unit is used for obtaining the resource allocation information of described the 3rd dispensing unit when one of the MBSFN zone existence that overlaps covers the big MBSFN zone in other MBSFN zones fully;
The 5th transmitting element sends the every frame of this broadcast channel place subframe in described bigger MBSFN zone.
In addition, the invention also discloses a kind of MCE that comprises said apparatus, and comprise and change MCE and get the MBMS system.
From above-mentioned technical scheme as can be seen, unlike the prior art, when the embodiment of the invention is clear and definite MBSFN area part is overlapping, belong to which MBSFN zone at the overlapping region broadcast channel, and then the clear and definite mode of resource distribution in this case, and the every frame of resource allocation information sends, and has guaranteed the quick access of subscriber equipment.In addition, tangible advantage that this embodiment also possesses and characteristics are exactly: resource can be used flexibly, that is to say, carries out surplus resources being distributed to different zones according to the quantity in zone with business demand after the resource distribution and uses.
Description of drawings
Fig. 1 is the logical architecture schematic diagram of the E-MBMS of LTE;
Fig. 2 is the subframe schematic diagram 1 at the broadcast channel synchronisation channel place of the proprietary carrier wave of MBMS;
Fig. 3 is the subframe schematic diagram 2 at the broadcast channel synchronisation channel place of the proprietary carrier wave of MBMS;
Fig. 4 is the subframe schematic diagram 3 at the broadcast channel synchronisation channel place of the proprietary carrier wave of MBMS;
Fig. 5 is the schematic diagram 1 of the overlapping covering of MBSFN;
Fig. 6 is the schematic diagram 2 of the overlapping covering of MBSFN;
The flow chart of the embodiment one of the method for transmission broadcast data when Fig. 7 covers for a kind of MBSFN region overlapping of the present invention;
Fig. 8 is the schematic diagram in the MBSFN zone that invents in the embodiment of the invention one;
The flow chart of the embodiment two of the method for transmission broadcast data when Fig. 9 covers for a kind of MBSFN region overlapping of the present invention;
The flow chart of the embodiment three of the method for transmission broadcast data when Figure 10 covers for a kind of MBSFN region overlapping of the present invention;
Figure 11 is for realizing the system block diagram of more above-mentioned disclosed method embodiment;
Figure 12 is the structural representation of this broadcast channel inking device in the foregoing description;
Figure 13 is the structural representation of broadcast channel inking device described in the other embodiment;
Figure 14-Figure 17 is the structural representation of broadcast channel inking device described in the other embodiment.
Embodiment
In order to solve prior art owing to existing the MBSFN region overlapping to cover, and wherein big MBSFN zone does not cover under the situation in little MBSFN zone, be in the problem that the sub-district of overlapping region can't the configures physical broadcast channel, the invention provides a solution, in order to make those skilled in the art better understand this scheme, be described in detail below in conjunction with drawings and Examples.
Please refer to Fig. 7, the flow chart of the embodiment one of the method for transmission broadcast data when covering for a kind of MBSFN region overlapping of the present invention.
Whether there is overlapping situation in the MBSFN zone that step S101, judgement are administered, if, enter step S102, otherwise, process ends.
Whether bigger MBSFN zone covers other MBSFN zones fully in the MBSFN zone that step S102, judgement overlap, if, process ends, otherwise, step S103 entered.
Step S103, above-mentioned All Ranges is processed into a big MBSFN zone.
Whether MBSFN zone bigger in the MBSFN zone that overlaps covers other MBSFN zones fully, that is to say, a plurality of MBSFN are overlapped in the zone, at this moment, the intersection in all MBSFN zones is invented a MBSFN zone, and also promptly this virtual MBSFN zone that forms is the envelope in all overlapping MBSFN zones.
For example, among Fig. 6, overlap in zone 11 and zone 12, then zone 11 and zone 12 invented a zone 13, and this zone 13 as shown in Figure 8.
Step S104, according to the least resource ability configuration broadcast channel of above-mentioned All Ranges.
General configuration mode is that the least resource ability (also being minimalist configuration) according to a plurality of overlapping regions is configured, for example, and among Fig. 6, if in the zone 11, system bandwidth is 10M, system-side antenna quantity is configured to 1, and in the zone 12, system bandwidth is 20M, and system-side antenna quantity is configured to 2.After zone 11 and zone 12 invented zone 13, be configured, that is to say, resource distribution in zone 11 and the zone 12 is all carried out according to the configuration mode in zone 11 according to the ability in zone 11.
Step S105, the every frame of this broadcast channel place subframe is all sent in described virtual big MBSFN zone.
Need to prove, carry out after the resource distribution,, then described surplus resources can be distributed to different zones according to the quantity in zone with business demand if also there is surplus resources.Can adopt the mode of configuration cycle, that is to say, can use these resources for the different different use ages of region allocation.
When the foregoing description is clear and definite MBSFN area part is overlapping, belong to which MBSFN zone at the overlapping region broadcast channel, and then the clear and definite mode of resource distribution in this case, and the every frame of resource allocation information sends, and guaranteed the quick access of subscriber equipment.In addition, tangible advantage that this embodiment also possesses and characteristics are exactly: resource can be used flexibly, that is to say, carries out surplus resources being distributed to different zones according to the quantity in zone with business demand after the resource distribution and uses.
In addition, also need to prove, in above-mentioned steps S102, when judging MBSFN zone bigger in the MBSFN zone that overlaps and covering other MBSFN zone fully, process ends not, but enter step S106, please refer to Fig. 9, the flow chart of the embodiment two of the method for transmission broadcast data when covering for a kind of MBSFN region overlapping of the present invention.
Step S106, according to the least resource ability configuration broadcast channel of All Ranges.
Step S107, the every frame of this broadcast channel place subframe is all sent in bigger MBSFN zone.
Overlapping situation for example shown in Figure 5 supposes that the system configuration in zone 4 is minimum, and promptly the configuration mode according to zone 4 is configured All Ranges ( zone 1,2,3,4), and the broadcast channel that will carry configuration information then sends in zone 4.Suppose zone 1 ability minimum, promptly according to the configuration mode in zone 1 to All Ranges ( zone 1,2,3,4) configuration broadcast channel, and the every frame of this broadcast channel place subframe all sent in zone 4.
Figure 10 shows the flow chart of the embodiment three of the method that transmits broadcast data when a kind of MBSFN region overlapping of the present invention covers.
Specifically may further comprise the steps:
Whether there is overlapping situation in the MBSFN zone that step S201, judgement are administered, if, enter step S202, otherwise, process ends.
Whether bigger MBSFN zone covers other MBSFN zones fully in the MBSFN zone that step S202, judgement overlap, if, process ends, otherwise, step S203 entered.
Step S203, the broadcast channel configuration is carried out in corresponding each MBSFN zone respectively.
Step S204, cycle that each broadcast channel is corresponding different, send in above-mentioned each MBSFN zone.
Overlapping situation for example shown in Figure 6 is carried out the broadcast channel configuration according to zone 11 and zone 12 respectively, and corresponding resource allocation information is first broadcast channel and second broadcast channel.
So, the first transmission cycle and the second transmission cycle can be set, described first broadcast channel is corresponding with the first transmission cycle, and second broadcast channel is corresponding with the second transmission cycle.
First broadcast channel was sent in zone 11 according to the first transmission cycle, second broadcast channel was sent in zone 11 according to the second transmission cycle.
Adopt the foregoing description, avoided all sending resource allocation information and the problem that may cause: do not need the zone of other regional MBMS business also will send the relevant information of other regional MBMS business in each zone.
Need to prove, in above-mentioned steps S202, when judging MBSFN zone bigger in the MBSFN zone that overlaps and covering other MBSFN zone fully, process ends not, but carry out the broadcast channel configuration corresponding to different MBSFN zones, the corresponding different cycle of each broadcast channel is sent in each MBSFN zone.That is to say, in the embodiment of the invention, when in judging the MBSFN zone of being administered, having overlapping situation, can operate according to step S203, step S204.
In addition, also need to prove, in the foregoing description one, two, when bigger MBSFN zone covers other MBSFN zones fully in judging the MBSFN zone that overlaps, can operate according to above-mentioned steps S03, step S204.Overlapping situation for example shown in Figure 5 can be according to zone 1, zone 2, zone 3 and zone 4 configuration broadcast channels respectively, and the cycle that each broadcast channel is corresponding different sends in each zone.
In the foregoing description three, when bigger MBSFN zone covers other MBSFN zones fully in judging the MBSFN zone that overlaps, can operate according to above-mentioned steps S106.
Figure 11 shows the system block diagram that can realize more above-mentioned disclosed method embodiment.
This system comprises:
Many sub-districts/multicast coordination entity (Multi-cell/multicast Coordination Entity, MCE) 10, MBMS gateway (MBMS GW) 20 and base station (eNB) 30.
Wherein, described MCE10 comprises a broadcast channel inking device 100.
Figure 12 shows the structural representation of this broadcast channel inking device in the foregoing description.As shown in the figure, broadcast channel inking device 100 comprises: overlapping judging unit 111, first processing unit 112, first dispensing unit 113 and first transmitting element 114.
Wherein:
Described overlapping judging unit 111 is used for judging whether the MBSFN zone that overlaps exists a MBSFN zone that covers other MBSFN zones fully.
Described first processing unit 112 is used for when there is not a MBSFN zone that covers other MBSFN zones fully in the MBSFN zone that overlaps above-mentioned All Ranges being invented a big MBSFN zone.
Described first dispensing unit 113 is used for least resource ability (minimalist configuration) the configuration broadcast channel according to All Ranges.
Described first transmitting element 114 is used for the every frame of this this broadcast channel place subframe is all sent in the described big MBSFN zone that invents.
Suppose the region overlapping situation as shown in Figure 6, in this case, described first processing unit 112 is known from described overlapping judging unit 111: do not have a MBSFN zone that covers other MBSFN zones fully in the MBSFN zone that overlaps.So overlapping areas (zone 11 and zone 12) is invented a zone (zone 13).Described first resource configuration unit 113 is according to the least resource ability configuration broadcast channel in zone 11 and zone 12, for example: in the zone 11, system bandwidth is 10M, system-side antenna quantity is configured to 1, and in the zone 2, system bandwidth is 20M, and system-side antenna quantity is configured to 2.So, zone 11 and zone 12 invented zone 13 after, be configured according to the ability in zone 11, that is to say, configuration in zone 11 and the zone 12 is all carried out according to the configuration mode in zone 11.Described first transmitting element 114 all sends the every frame of broadcast channel place subframe in the described big MBSFN zone that invents (zone 13).
Figure 13 shows the structural representation of broadcast channel inking device described in the other embodiment.
On the basis of the foregoing description, described broadcast channel inking device 100 can further include: second processing unit 115 and second transmitting element 116.
Wherein,
Described second processing unit 115, be used to obtain the judged result of overlapping judging unit 111, when one of existence covers the big MBSFN zone in other MBSFN zones fully in knowing the MBSFN zone that overlaps, obtain the broadcast channel of described first dispensing unit 113 configurations.
Described second transmitting element 116 is used for subframe every frame in described broadcast channel place is all sent in described bigger MBSFN zone.
The system configuration of supposing zone 4 is minimum, described first resource configuration unit 113 is configured All Ranges ( zone 1,2,3,4) according to the configuration mode in zone 4, then, configuration information is offered described second processing unit 115, and the every frame of this broadcast channel place subframe is sent in zone 4.Suppose the ability minimum in zone 1, promptly the configuration mode according to zone 1 is configured All Ranges ( zone 1,2,3,4), then this broadcast channel is sent in zone 4.
The structural representation of broadcast channel inking device described in the other embodiment of Figure 14.
On basis embodiment illustrated in fig. 12, described broadcast channel inking device 100 can further include: second dispensing unit 117 and the 3rd transmitting element 118.
Described second dispensing unit 117 is used for when one of the MBSFN zone existence that overlaps covers the big MBSFN zone in other MBSFN zones fully, respectively to each MBSFN area configurations broadcast channel.
Described the 3rd transmitting element 118 is used for the cycle that each broadcast channel is corresponding different, sends in each MBSFN zone.
Please refer to Figure 15,16 and 17, be the structural representation of broadcast channel inking device among the other embodiment of the present invention.
Broadcast channel inking device 100 shown in Figure 15 comprises: the 3rd dispensing unit 119 and the 4th transmitting element 120.
Described the 3rd dispensing unit 119 is used for respectively to each overlapping MBSFN area configurations broadcast channel.
Described the 4th transmitting element 120 is used for the cycle that each broadcast channel is corresponding different, sends in each MBSFN zone.
Described information resources dispensing unit 119 carries out work when receiving trigger message, on basis embodiment illustrated in fig. 15, broadcast channel inking device 100 also further comprises: overlapping judging unit 111, first trigger element 121.As shown in figure 16.
Described overlapping judging unit 111 is used for judging whether the MBSFN zone that overlaps exists a MBSFN zone that covers other MBSFN zones fully;
Device shown in Figure 17 further comprises on the basis of device shown in Figure 16: the 3rd processing unit 122 and the 5th transmitting element 123.
Described the 3rd processing unit 122 is used for obtaining the broadcast channel of described the 3rd dispensing unit 119 configurations when one of the MBSFN zone existence that overlaps covers the big MBSFN zone in other MBSFN zones fully;
Described the 5th transmitting element 123 is used for subframe every frame in described broadcast channel place is all sent in described bigger MBSFN zone.
Need to prove that said apparatus can be arranged among the MCE, perhaps in other network elements, that is to say that the MCE and the network element device that comprise said apparatus all belong to protection category of the present invention.
In addition, the MCE that comprises said apparatus can be arranged in the base station, at this moment dominant base will be set, coordinate other base stations by this dominant base, certainly, also can be arranged on last layer equipment, at this moment each base station all is equal status, and unification is coordinated by the MCE entity.
It will be understood by those skilled in the art that and to use many different technologies and in the technology any one to come expression information, message and signal.For example, the message of mentioning in the above-mentioned explanation, information can be expressed as voltage, electric current, electromagnetic wave, magnetic field or magnetic particle, light field or above combination in any.
The professional can also further should be able to recognize, the unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in the above description.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each specific should being used for, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (16)
1. transmit the method for broadcast data when a multimedia broadcasting single frequency network MBSFN region overlapping covers, it is characterized in that, comprising:
When in judging the MBSFN zone that overlaps, not having a MBSFN zone that covers other MBSFN zones fully, the intersection in above-mentioned all zone is invented a big MBSFN zone;
Least resource ability configuration broadcast channel according to all above-mentioned MBSFN zones;
The every frame of this broadcast channel place subframe all sends in described virtual big MBSFN zone.
2. the method for claim 1 is characterized in that, also comprises:
When one of existence covers the big MBSFN zone in other MBSFN zones fully in judging the MBSFN zone that overlaps, according to the least resource ability configuration broadcast channel in above-mentioned all MBSFN zones, the every frame of this broadcast channel place subframe all sends in described bigger MBSFN zone.
3. the method for claim 1 is characterized in that, also comprises:
When one of existence covers the big MBSFN zone in other MBSFN zones fully in judging the MBSFN zone that overlaps, to the different cycle of broadcast channel configuration;
Broadcast channel was sent on different MBSFN zones according to the different cycles.
4. transmit the method for broadcast data when a multimedia broadcasting single frequency network MBSFN region overlapping covers, it is characterized in that, comprising:
When in judging the MBSFN zone that overlaps, not having a MBSFN zone that covers other MBSFN zones fully, to the different cycle of broadcast channel configuration;
Broadcast channel was sent on above-mentioned each MBSFN zone according to the different cycles.
5. method as claimed in claim 4, it is characterized in that, the described step that resource distribution is carried out in each overlapping MBSFN zone is to carry out when not having big MBSFN zone that covers other MBSFN zones fully in judging the MBSFN zone that overlaps.
6. method as claimed in claim 5, it is characterized in that, also comprise: when one of existence covers the big MBSFN zone in other MBSFN zones fully in judging the MBSFN zone that overlaps, according to the least resource ability configuration broadcast channel in above-mentioned all MBSFN zones; The every frame of this broadcast channel place subframe all sends in described big MBSFN zone.
7. a broadcast channel inking device is characterized in that, comprising:
Overlapping judging unit is used for judging whether the multimedia broadcasting single frequency network MBSFN zone that overlaps exists a MBSFN zone that covers other MBSFN zones fully;
First processing unit is used for when there is not a MBSFN zone that covers other MBSFN zones fully in the MBSFN zone that overlaps, and the intersection of above-mentioned All Ranges is invented a MBSFN zone;
First dispensing unit is used for the least resource ability configuration broadcast channel according to above-mentioned All Ranges;
First transmitting element is used for the every frame of this broadcast channel place subframe is sent in described virtual big MBSFN zone.
8. device as claimed in claim 7 is characterized in that, also comprises:
Second processing unit is used for obtaining the resource allocation information of described first dispensing unit when one of the MBSFN zone existence that overlaps covers the big MBSFN zone in other MBSFN zones fully;
Second transmitting element is used for the every frame of this broadcast channel place subframe is sent in described bigger MBSFN zone.
9. device as claimed in claim 7 is characterized in that, also comprises:
Second dispensing unit is used for when one of the MBSFN zone existence that overlaps covers the big MBSFN zone in other MBSFN zones fully, to the different cycle of broadcast channel configuration;
The 3rd transmitting element is used for broadcast channel was sent on different MBSFN zones according to the different cycles.
10. a broadcast channel inking device is characterized in that, comprising:
The 3rd dispensing unit is used to correspond respectively to the multimedia broadcasting single frequency network MBSFN zone that each overlaps, to the different cycle of broadcast channel configuration;
The 4th transmitting element is used for broadcast channel was sent on above-mentioned each MBSFN zone according to the different cycles.
11. device as claimed in claim 10 is characterized in that, described the 3rd dispensing unit carries out work when receiving trigger message, also comprise:
Overlapping judging unit is used for judging whether the MBSFN zone that overlaps exists a MBSFN zone that covers other MBSFN zones fully;
First trigger element is used for sending described trigger message when there is not a MBSFN zone that covers other MBSFN zones fully in the MBSFN zone that overlaps.
12. device as claimed in claim 11 is characterized in that, also comprises:
The 3rd processing unit is used for obtaining the resource allocation information of described the 3rd dispensing unit when one of the MBSFN zone existence that overlaps covers the big MBSFN zone in other MBSFN zones fully;
The 5th transmitting element sends the every frame of this broadcast channel place subframe in described bigger MBSFN zone.
13. sub-district more than a kind/multicast coordination entity MCE is characterized in that, has as claim 7,8 or 9 described devices.
14. sub-district more than a kind/multicast coordination entity MCE is characterized in that, has as claim 10,11 or 12 described devices.
15. a multi-media broadcasting service MBMS system is characterized in that, has the described MCE of claim 13.
16. a multi-media broadcasting service MBMS system is characterized in that, has the described MCE of claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101031904A CN101552949B (en) | 2008-04-01 | 2008-04-01 | Method and device for transmitting broadcast data during overlapping and coverage of multicast broadcast single frequency network (MBSFN) areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101031904A CN101552949B (en) | 2008-04-01 | 2008-04-01 | Method and device for transmitting broadcast data during overlapping and coverage of multicast broadcast single frequency network (MBSFN) areas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101552949A CN101552949A (en) | 2009-10-07 |
| CN101552949B true CN101552949B (en) | 2011-12-14 |
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| CN102264031B (en) * | 2010-05-25 | 2015-05-20 | 中兴通讯股份有限公司 | Method and system for distributing radio resources for multicast control channel |
| WO2013102279A1 (en) | 2012-01-05 | 2013-07-11 | Telefonaktiebolaget L M Ericsson (Publ) | A method of selecting a transmission mode of a cell in an e_utran system |
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| CN1209024A (en) * | 1997-01-16 | 1999-02-24 | 格维康姆公司 | System and method for synchronized wide and local area communication utilizing single frequency |
| CN1269950A (en) * | 1997-05-08 | 2000-10-11 | 诺泰尔网络有限公司 | Wireless communication system supporting multiple frequency bands and multiple protocols |
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| CN1209024A (en) * | 1997-01-16 | 1999-02-24 | 格维康姆公司 | System and method for synchronized wide and local area communication utilizing single frequency |
| CN1269950A (en) * | 1997-05-08 | 2000-10-11 | 诺泰尔网络有限公司 | Wireless communication system supporting multiple frequency bands and multiple protocols |
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