CN101068432A - Apparatus, system and method for unified distributing resource for MBMS business - Google Patents
Apparatus, system and method for unified distributing resource for MBMS business Download PDFInfo
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- CN101068432A CN101068432A CNA2007100937866A CN200710093786A CN101068432A CN 101068432 A CN101068432 A CN 101068432A CN A2007100937866 A CNA2007100937866 A CN A2007100937866A CN 200710093786 A CN200710093786 A CN 200710093786A CN 101068432 A CN101068432 A CN 101068432A
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Abstract
A method for distributing resource uniformly to MBMS service includes selecting out a reference cell from its managed cells by RNC according to preset principle at certain MBMS service region when MBMS session is started up, confirming radio resource configuration of MBMS service by RNC according to existed radio resource state of reference cell and applying identical radio resource configuration for all its branch cells. The system used for realizing said method is also disclosed.
Description
Technical field
The present invention relates to the method that a kind of multi-carrier frequency cell is a MBMS traffic assignments resource, relate in particular to and be the method for MBMS traffic assignments Radio Resource in the wireless communication field TD-SCDMA system.
Background technology
In order to satisfy the demand that mobile communication market constantly enlarges, the power system capacity that improves hot zones covers, TD-SCDMA multi-carrier frequency cell notion is that a plurality of sub-districts of identical geographical coverage area (each carrier frequency is a sub-district) is merged together, share same set of common channel resources, thereby constitute a multi-carrier frequency cell.In actual networking, use multi-carrier frequency cell, not only on RRM, reduced complexity, and the main carrier frequency of neighbor cell is configured on the different frequencies, not only can reduce the interference of pilot channel and common signal channel effectively, can also reduce requirement effectively, thereby guarantee to carry out networking with flexible way more to the base station acc power.
Along with the commercialization of 3-G (Generation Three mobile communication system), mobile TV service (Mobile TV) more and more receives the concern of operator at present.In the TD-SCDMA system, provide multimedia broadcasting and multicast service (MBMS:Multimedia Broadcast/Multicast Service) also to become an active demand.Organize the agreement of 3GPP according to global standardsization to the MBMS business, the MBMS business is at UTRAN (Universal Terrestrial Radio Access Network, universal land radio access web) and UE (User Equipment, dual mode is arranged: PTM (Point-to-Multipoint when transmitting subscriber equipment), point-to-multipoint) mode and PTP (Point-to-Point, point-to-point) mode.The PTM mode uses common logical MTCH (MBMS PTM Traffic Channel, point multipoint message traffic channel) that all are added multicast service or the interested UE of broadcasting service is sent data; The PTP mode then uses dedicated logical channel DTCH that single UE is sent business datum.When adding multicast service or when big, using the PTM mode can effectively utilize wireless network resource undoubtedly, cut operating costs widely to the interested UE number of broadcasting service.
Can there be serious co-channel interference when in the TD-SCDMA multi-carrier frequency system, providing MBMS professional.Logic channel MTCH under the MBMS PTM mode is mapped to transmission channel FACH, and finally is carried on the SCCPCH public physic channel.Public physic channel SCCPCH uses omni-directional antenna transmission.While MBMS business is the mobile TV service of high speed normally, takies many code channels.Like this, when using the SCCPCH channel of omni-directional antenna transmission to carry out the continuous covering of MBMS business, can cause serious minizone co-channel interference, make service quality can not get ensureing in many sub-districts.
The problem of co-channel interference of minizone during for the solution identical networking, a kind of well accepted scheme are that all sub-districts use same carrier, time slot, channel code, scrambler and basic midamble sign indicating number to send the wireless signal of identical MBMS business channels.Under above-mentioned pattern, UE can be considered as multipath signal with the signal that comes from different base station, makes to obtain big performance gain aspect the receiving broadcast service signal, has improved the service quality of MBMS business.This scheme can improve the broadcasting service availability of frequency spectrum, and the realization of UE side is also comparatively simple simultaneously.But usually, be professional numbering of a MBMS traffic assignments, be a zone number of cell allocation in the zone that this MBMS covered.MBMS business to given area numbering and professional numbering, carry out the configuration of MBMS service wireless resource according to the physical resource situation of real cell, the content of distributing comprises frequency point information, gap information, channelization code information, scrambling code information and basic midamble sign indicating number information, be the independent Resources allocation in each sub-district, but the unified distribution of how carrying out Radio Resource for the MBMS business under above-mentioned MBMS wireless signal sending mode is the new problem that this technology is brought.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of MBMS uniform service method of allocating resources that is, can be a plurality of sub-district unified distribution Radio Resources.
In order to solve the problems of the technologies described above, the invention provides a kind of method of multimedia broadcast-multicast service unified distribution resource, described multimedia broadcasting and multicast service said method comprising the steps of hereinafter to be referred as MBMS:
(a) when the MBMS session begins, the radio network controller in certain MBMS service area is that RNC selects a reference cell according to the principle that sets in advance from the sub-district of its management;
(b) described RNC determines the radio-resource-configuration of MBMS business according to the existing Radio Resource situation of described reference cell, and identical radio-resource-configuration is adopted in all sub-districts of its subordinate.
Further, in described step (a), when the MBMS session begins, the service type universal grouping wireless business supporting node is that SGSN carries the message that belongs to all RNC tabulations in this MBMS service area under this SGSN by all RNC transmissions in certain MBMS service area, notifies all RNC in this MBMS service area to carry out choosing of reference cell.
Further, also carry MBMS business service district sign in the described message.
Further, described SGSN begins message to the message that RNC sends for the MBMS session.
Further, when in certain MBMS service area a plurality of RNC being arranged, be when a plurality of RNC is arranged in the described RNC tabulation, after each RNC selects reference cell in described step (a), negotiate overall reference cell by other RNC in order of Iur message and the tabulation, the RNC under this overall situation reference cell is main RNC; In described step (b), described main RNC is according to the existing Radio Resource situation of described overall reference cell, determine the radio-resource-configuration of MBMS business, and configuration information sent to other RNC in the tabulation by Iur message order, all RNC adopt identical radio-resource-configuration to all sub-districts of its management in the tabulation.
Further, in described step (a), other RNC negotiate overall reference cell and are meant in described and the tabulation, each RNC sends to other RNC in the tabulation with the parameter of the reference cell selected, after each RNC receives the reference cell parameter of other RNC transmissions, carry out parameter relatively according to the principle that sets in advance, determine overall reference cell.
Further, the described principle that sets in advance is that Primary Common Control Physical Channel is the maximum principle of transmitting power of PCCPCH, the described PCCPCH transmitting power that sends to the parameter of the reference cell of other RNC in the tabulation for each reference cell.
Further, stating the principle that sets in advance is that Primary Common Control Physical Channel is the maximum principle of transmitting power of PCCPCH
The technical problem to be solved in the present invention provides a kind of system of MBMS uniform service Resources allocation that is, can be a plurality of sub-district unified distribution Radio Resources.
In order to solve the problems of the technologies described above, the invention provides a kind of system of the MBMS of being embodied as uniform service Resources allocation, comprise that one or more radio network controllers are RNC, it is characterized in that described RNC comprises and choose unit and dispensing unit, wherein:
The described unit of choosing is used for selecting reference cell according to the principle that sets in advance from the sub-district of this RNC management;
Described dispensing unit is used for the existing Radio Resource situation of choosing the described reference cell that unit selection goes out according to described, determines that multimedia broadcasting and multicast is the radio-resource-configuration of MBMS business, and identical radio-resource-configuration is adopted in all sub-districts of its subordinate.
Further, described RNC also comprises transmitting element and receiving element, wherein: described transmitting element is used for the described relevant parameter of choosing the described reference cell that unit selection goes out and definite radio-resource-configuration are sent to other RNC in this MBMS service area; Described receiving element, the relevant parameter that is used for described reference cell that other RNC in this MBMS service area are received send to describedly to be chosen the unit and the radio-resource-configuration that receives is sent to described dispensing unit.
Further, the described principle that the sets in advance maximum principle of transmitting power that is beacon or pilot channel.
Further, the described principle that sets in advance is that Primary Common Control Physical Channel is the maximum principle of transmitting power of PCCPCH, and the relevant parameter of described reference cell is the PCCPCH transmitting power of each reference cell.
In order to solve the problems of the technologies described above, it is RNC that the present invention also provides a kind of radio network controller, it is characterized in that, described RNC comprises and choose unit and dispensing unit, wherein:
The described unit of choosing is used for selecting reference cell according to the principle that sets in advance from the sub-district of this RNC management;
Described dispensing unit is used for the existing Radio Resource situation of choosing the described reference cell that unit selection goes out according to described, determines that multimedia broadcasting and multicast is the radio-resource-configuration of MBMS business, and identical radio-resource-configuration is adopted in all sub-districts of its subordinate.
Further, described RNC also comprises transmitting element and receiving element, wherein: described transmitting element is used for the described relevant parameter of choosing the described reference cell that unit selection goes out and definite radio-resource-configuration are sent to other RNC in this MBMS service area; Described receiving element, the relevant parameter that is used for described reference cell that other RNC in this MBMS service area are received send to describedly to be chosen the unit and the radio-resource-configuration that receives is sent to described dispensing unit.
Adopt system and method for the present invention, can be in all sub-districts in the route district of a SGSN (service type universal grouping wireless business supporting node) administration, be Radio Resources such as the unified frequency of MBMS traffic assignments, time slot and channel code, realize the same wireless signal transmission of MBMS business.
Description of drawings
Fig. 1 is to be the schematic diagram that distributes by Iur mouth negotiation of radio resources between RNC;
Fig. 2 is the schematic diagram that the RNC of present embodiment forms structure;
Fig. 3 is the flow chart of specific embodiment 1 among the present invention;
Fig. 4 is the flow chart of specific embodiment 2 among the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As shown in Figure 1, service type universal grouping wireless business supporting node (SGSN) is communicated by letter with the radio network controller (RNC) under it by the Iu mouth in the core net (CN), and RNC has one or more, when a plurality of, communicates by the Iur mouth between RNC.Wherein:
RNC is used for selecting a reference cell from the sub-district of its management according to the principle that sets in advance, existing Radio Resource situation according to described reference cell, for the MBMS business is carried out wireless resource allocation, the radio-resource-configuration identical with reference cell adopted in all sub-districts of its subordinate.
As shown in Figure 2, RNC comprises and chooses unit and dispensing unit that wherein, the described unit of choosing is used for selecting a reference cell according to the principle that sets in advance from the sub-district of this RNC management; Described dispensing unit is used for the existing Radio Resource situation of choosing the described reference cell that unit selection goes out according to described, determines that multimedia broadcasting and multicast is the radio-resource-configuration of MBMS business, and identical radio-resource-configuration is adopted in all sub-districts of its subordinate.
Described RNC also comprises receiving element and transmitting element, and wherein, described transmitting element is used for described relevant parameter and the definite radio-resource-configuration of choosing the described reference cell that unit selection goes out sent to other RNC; Described receiving element, the relevant parameter that is used for the described reference cell that will receive from other RNC send to describedly to be chosen the unit and the radio-resource-configuration that receives is sent to described dispensing unit.
When a plurality of described radio network controller (RNC) is arranged in certain MBMS service area, RNC is after selecting reference cell, determine overall reference cell by the order of Iur message and other RNC negotiations in this MBMS service area, RNC under this overall situation reference cell is according to the existing Radio Resource situation of overall reference cell, for the MBMS business is carried out wireless resource allocation, and configuration information sent to other RNC in this MBMS service area by Iur message order, all RNC in the MBMS service area adopt the radio-resource-configuration identical with overall reference cell to all sub-districts of its management.
Embodiment 1:
As shown in Figure 3, when the RNC that belongs to a MBMS service area under the SGSN had only one, the method that RNC carries out the unified resource distribution comprised the following steps:
RNC is by service area (SA) the data separation MBMS service area of the MBMS business of carrying in the MBMS SESSION START message.
Embodiment 2:
As shown in Figure 4, when the RNC that belongs to a MBMS service area under the SGSN has when a plurality of, RNC carries out the method that unified resource distributes and comprises the following steps:
In the present embodiment, contain two RNC in the list of hypotheses, be respectively RNC1 and RNC2.
Step 202 after RNC1 and RNC2 receive that respectively the MBMS session of SGSN begins message, is pressed the principle of PCCPCH transmitting power maximum, selects a local reference cell from the sub-district of management separately;
If a plurality of RNC are arranged, then all RNC send the message that has local reference cell PCCPCH transmit power parameter in tabulation.
The ownership RNC of overall situation reference cell is main RNC, in the present embodiment, supposes that RNC1 is main RNC.
If a plurality of RNC are arranged, then main RNC other all RNC in tabulation send the configuration information of Radio Resource.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
For example, the described principle that sets in advance can also be other principle for except for the maximum principle of the transmitting power of beacon or pilot channel.When a plurality of RNC, each RNC sends the parameter relevant with this principle according to unified principle other RNC in same MBMS service area, as principle is PCCPCH transmitting power maximum, then each RNC sends to other RNC with the transmitting power of the PCCPCH of each local reference cell, if other principle then sends other relevant parameters.
For another example, when the RNC that belongs to a MBMS service area under the SGSN has when a plurality of, each RNC also can not consult with other RNC, is all sub-districts unified distribution Radio Resources of subordinate with separately reference cell.
For another example, the RNC that belongs to a MBMS service area is not limited to begin message by the MBMS session that SGSN sends and learns the RNC tabulation, can also tabulate by the RNC that other message is learnt or it has been preserved in the same MBMS service area in advance.
Claims (14)
1, a kind of method of multimedia broadcast-multicast service unified distribution resource, described multimedia broadcasting and multicast service said method comprising the steps of hereinafter to be referred as MBMS:
(a) when the MBMS session begins, the radio network controller in certain MBMS service area is that RNC selects a reference cell according to the principle that sets in advance from the sub-district of its management;
(b) described RNC determines the radio-resource-configuration of MBMS business according to the existing Radio Resource situation of described reference cell, and identical radio-resource-configuration is adopted in all sub-districts of its subordinate.
2, the method for claim 1, it is characterized in that, in described step (a), when the MBMS session begins, the service type universal grouping wireless business supporting node is that SGSN carries the message that belongs to all RNC tabulations in this MBMS service area under this SGSN by all RNC transmissions in certain MBMS service area, notifies all RNC in this MBMS service area to carry out choosing of reference cell.
3, method as claimed in claim 2 is characterized in that, also carries MBMS business service district sign in the described message.
4, method as claimed in claim 2 is characterized in that, described SGSN begins message to the message that RNC sends for the MBMS session.
5, method as claimed in claim 2, it is characterized in that, when in certain MBMS service area a plurality of RNC being arranged, be when a plurality of RNC is arranged in the described RNC tabulation, after each RNC selects reference cell in described step (a), negotiate overall reference cell by other RNC in order of Iur message and the tabulation, the RNC under this overall situation reference cell is main RNC; In described step (b), described main RNC is according to the existing Radio Resource situation of described overall reference cell, determine the radio-resource-configuration of MBMS business, and configuration information sent to other RNC in the tabulation by Iur message order, all RNC adopt identical radio-resource-configuration to all sub-districts of its management in the tabulation.
6, method as claimed in claim 5, it is characterized in that, in described step (a), other RNC negotiate overall reference cell and are meant in described and the tabulation, each RNC sends to other RNC in the tabulation with the parameter of the reference cell selected, after each RNC receives the reference cell parameter of other RNC transmissions, carry out parameter relatively, determine overall reference cell according to the principle that sets in advance.
7, method as claimed in claim 6, it is characterized in that, the described principle that sets in advance is that Primary Common Control Physical Channel is the maximum principle of transmitting power of PCCPCH, the described PCCPCH transmitting power that sends to the parameter of the reference cell of other RNC in the tabulation for each reference cell.
8, the method for claim 1 is characterized in that, the described principle that sets in advance is that Primary Common Control Physical Channel is the maximum principle of transmitting power of PCCPCH.
9, a kind of system of method according to claim 1 that realizes comprises that one or more radio network controllers are RNC, it is characterized in that, described RNC comprises and choose unit and dispensing unit, wherein:
The described unit of choosing is used for selecting reference cell according to the principle that sets in advance from the sub-district of this RNC management;
Described dispensing unit is used for the existing Radio Resource situation of choosing the described reference cell that unit selection goes out according to described, determines that multimedia broadcasting and multicast is the radio-resource-configuration of MBMS business, and identical radio-resource-configuration is adopted in all sub-districts of its subordinate.
10, system as claimed in claim 9 is characterized in that, described RNC also comprises transmitting element and receiving element, wherein:
Described transmitting element is used for the described relevant parameter of choosing the described reference cell that unit selection goes out and definite radio-resource-configuration are sent to other RNC in this MBMS service area;
Described receiving element, the relevant parameter that is used for described reference cell that other RNC in this MBMS service area are received send to describedly to be chosen the unit and the radio-resource-configuration that receives is sent to described dispensing unit.
11, system as claimed in claim 9 is characterized in that, the maximum principle of the transmitting power that the described principle that sets in advance is beacon or pilot channel.
12, system as claimed in claim 10 is characterized in that, the described principle that sets in advance is that Primary Common Control Physical Channel is the maximum principle of transmitting power of PCCPCH, and the relevant parameter of described reference cell is the PCCPCH transmitting power of each reference cell.
13, a kind of radio network controller is RNC, it is characterized in that, described RNC comprises and choose unit and dispensing unit, wherein:
The described unit of choosing is used for selecting reference cell according to the principle that sets in advance from the sub-district of this RNC management;
Described dispensing unit is used for the existing Radio Resource situation of choosing the described reference cell that unit selection goes out according to described, determines that multimedia broadcasting and multicast is the radio-resource-configuration of MBMS business, and identical radio-resource-configuration is adopted in all sub-districts of its subordinate.
14, radio network controller as claimed in claim 13 is characterized in that, described RNC also comprises transmitting element and receiving element, wherein:
Described transmitting element is used for the described relevant parameter of choosing the described reference cell that unit selection goes out and definite radio-resource-configuration are sent to other RNC in this MBMS service area;
Described receiving element, the relevant parameter that is used for described reference cell that other RNC in this MBMS service area are received send to describedly to be chosen the unit and the radio-resource-configuration that receives is sent to described dispensing unit.
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| CNA2007100937866A CN101068432A (en) | 2007-04-18 | 2007-04-18 | Apparatus, system and method for unified distributing resource for MBMS business |
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| CNA2007100937866A CN101068432A (en) | 2007-04-18 | 2007-04-18 | Apparatus, system and method for unified distributing resource for MBMS business |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009082838A1 (en) * | 2007-12-27 | 2009-07-09 | Zte Corporation | Wireless resource scheduling method and occupied information sending method for multi base station mbs |
| WO2010003318A1 (en) * | 2008-07-10 | 2010-01-14 | 大唐移动通信设备有限公司 | Embms transmission method, system and apparatus |
| CN101772028A (en) * | 2009-01-05 | 2010-07-07 | 华为技术有限公司 | Resource management method, network equipment, user equipment and system |
| WO2012003633A1 (en) * | 2010-07-07 | 2012-01-12 | 中兴通讯股份有限公司 | Method, system and radio side network element for implementing multi-user shared service |
| WO2015096413A1 (en) * | 2013-12-26 | 2015-07-02 | 中兴通讯股份有限公司 | Method and device for moving ue |
| CN106211181A (en) * | 2008-11-04 | 2016-12-07 | 美国博通公司 | A kind of service aggregator |
| CN107113802A (en) * | 2015-10-27 | 2017-08-29 | 华为技术有限公司 | Resource regulating method, base station, scheduler, program source server and system |
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2007
- 2007-04-18 CN CNA2007100937866A patent/CN101068432A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009082838A1 (en) * | 2007-12-27 | 2009-07-09 | Zte Corporation | Wireless resource scheduling method and occupied information sending method for multi base station mbs |
| CN101849420B (en) * | 2007-12-27 | 2013-06-05 | 中兴通讯股份有限公司 | Wireless resource scheduling method and occupied information sending method for multi base station MBS |
| US8660048B2 (en) | 2007-12-27 | 2014-02-25 | Zte Corporation | Wireless resource scheduling method and occupied information sending method for multi base station MBS |
| WO2010003318A1 (en) * | 2008-07-10 | 2010-01-14 | 大唐移动通信设备有限公司 | Embms transmission method, system and apparatus |
| CN106211181A (en) * | 2008-11-04 | 2016-12-07 | 美国博通公司 | A kind of service aggregator |
| CN106211181B (en) * | 2008-11-04 | 2019-03-01 | 安华高科技股份有限公司 | A kind of service aggregator |
| CN101772028A (en) * | 2009-01-05 | 2010-07-07 | 华为技术有限公司 | Resource management method, network equipment, user equipment and system |
| WO2012003633A1 (en) * | 2010-07-07 | 2012-01-12 | 中兴通讯股份有限公司 | Method, system and radio side network element for implementing multi-user shared service |
| WO2015096413A1 (en) * | 2013-12-26 | 2015-07-02 | 中兴通讯股份有限公司 | Method and device for moving ue |
| US9967790B2 (en) | 2013-12-26 | 2018-05-08 | Zte Corporation | Method and device for moving UE |
| CN107113802A (en) * | 2015-10-27 | 2017-08-29 | 华为技术有限公司 | Resource regulating method, base station, scheduler, program source server and system |
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