CN1585302A - Method for transparent transmitting signal to user apparatus from DRNC - Google Patents
Method for transparent transmitting signal to user apparatus from DRNC Download PDFInfo
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- CN1585302A CN1585302A CN 03154978 CN03154978A CN1585302A CN 1585302 A CN1585302 A CN 1585302A CN 03154978 CN03154978 CN 03154978 CN 03154978 A CN03154978 A CN 03154978A CN 1585302 A CN1585302 A CN 1585302A
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Abstract
The method includes the steps as below: The DRNC includes the MBMS information to the UE into the Iur signaling and send, which to the SRNC; the SRNC analyzes the message from the DRNC, while the MBMS control information is not analyzed, the MBMS control information is contained in the RRC signaling. The UE receives the RRC signaling transmitted by the SRNC, if it contains the MBMS control messag, the UE with decode it with the encode method of the RRC signaling. The invention supplies a new method of transmitting the MBMS message between the DRNC and the UE.
Description
Technical field
The present invention relates to third generation communication, particularly from the method for DRNC to subscriber equipment transparent transmission signaling.
Background technology
MBMS is formulating relevant criterion for it to carry out a standardized new business in the 3-G (Generation Three mobile communication system) partner program.The MBMS business is a kind of unidirectional point to the business of multipoint system (promptly broadcasting out multi-medium data from single data source is sent to a plurality of users through Network Transmission and receives).The maximum characteristics of this business are that it can effectively utilize Radio Resource and Internet resources.The MBMS business is mainly used in the wireless communication network system, as Wideband Code Division Multiple Access (WCDMA) communication system, and global system for mobile communications etc.The transmission of business datum will be passed through basically among the MBMS: transmission in data source transmission, go-between transmission, the purpose cell null, user receive such plurality of processes.Fig. 3 is a wireless communication system logical network equipment drawing that the MBMS business can be provided, and in fact MBMS has utilized general grouped wireless data service (hereinafter to be referred as GPRS) network as core transport network in the figure.As shown in Figure 3, broadcasting and multicast service center (hereinafter to be referred as BM-SC) are the data sources that sends the MBMS business datum; Gateway GPRS Support Node (hereinafter to be referred as GGSN) is used for being connected of GRPS network and external network (as the INTERNET network); Gateway GPRS Support Node connects BM-SC and the MBMS data is sent to specific Serving GPRS Support Node (hereinafter to be referred as SGSN) in the MBMS business; CBC is the data source of Cell Broadcast CB, by with CBC and BM-SC interconnection, makes CBC that MBMS can be provided professional declaration function in MBMS; SGSN is used for that UE is carried out access control and mobile management and simultaneously the MBMS data of coming from GGSN is sent to specific radio-cell controller (hereinafter to be referred as RNC); RNC is used for controlling one group of base station and multi-medium data is sent to specific base stations; Aerial physical channel is set up for the MBMS business of certain sub-district in the base station under the control of RNC; Subscriber terminal equipment (hereinafter to be referred as UE) is the terminal equipment that receives the MBMS data.
Provided the MBMS business among Fig. 4 and be established to all processes that end user is left from business declaration, user's adding, service announcements, radio bearer.
401 subscribe to the contact of setting up between user and the service provider, and authorized user can receive relevant MBMS service.
The MBMS business that 402 professional declarations notify the user to provide.For example, system in the afternoon 7:00 relay a football match in areas of Beijing.
403 add the expression users adds a group, promptly the user tell network he or she be ready to receive this multicast service.
404 MBMS sessions begin to represent that being established as the MBMS transfer of data sets up Internet resources.
405 MBMS notice is informed the MBMS transfer of data that the user will carry out at once.
406 data transfer representation MBMS business data transmission are to user's process.
407 MBMS conversation ends are represented after the MBMS business data transmission is finished, releasing network resources.
408 leave and add correspondingly with 403, and the expression user will leave a group, does not promptly rethink to receive certain professional data.
In the MBMS system, multicast control channel MCCH is a logic channel that proposes for MBMS transmission control signaling specially, and this channel is sent to a plurality of user equipment (UE)s from RNC, rather than special logic channel at a UE.This logic channel can be mapped on the common signal channel FACH.Can receive these MBMS control signalings as long as therefore belong to all users of a MBMS group.The MBMS control signaling of the last transmission of MCCH is periodically to send, and it is also different that different control messages may send the cycle.For example the cycle of " indication of MBMS channel type " may be very little, and transmission frequency is very fast, thereby allow mobile UE can determine whether will carry out up access.And the cycle of " foundation of MBMS radio bearer " possibility is long, and transmission frequency is slow.The signaling of the last transmission of MCCH is all produced by CRNC, and CRNC determines that according to current area MBMS user's number this provides point-to-point channel still is the point-to-multipoint channel.If point-to-point channel, in message " indication of MBMS channel type " channel type being set is point-to-point, otherwise is that point is to multiple spot.If point is to arriving point, CRNC is broadcast " foundation of MBMS radio bearer " periodically, tells the configuration parameter of the UE point-to-multipoint channel that UE is especially moving.Therefore the SRNC of these signalings UE does not participate in, unless the SRNC of UE and CRNC position are together.SRNC does not need to know that CRNC sends to the content of these signalings of UE.
For being in CELL_FACH, the UE of CELL_DCH and CELL_PCH, when it moved to new sub-district, it will initiate cell update or measurement report, and SRNC tells DRNC with the sign of these UE then, and DRNC adds these UE in its business contexts to.As shown in Figure 5.If the channel type in the DRNC decision Target cell is point-to-multipoint PTM, UE has two kinds of methods to obtain the radio bearer parameter of PTM channel so.A kind of method is, DRNC tells the configuration of SRNC point-to-multipoint channel, and SRNC tells UE by dedicated signaling then.Another kind method is that DRNC tells the configuration of UE point-to-multipoint channel by MCCH.Preceding a kind of method can allow UE obtain channel configuration more fast, can reduce the loss of data that UE causes because of mobility.A kind of method in back depends on the cycle that MCCH broadcasts, and UE may lose many data.In the first method, SRNC receives the parameter of transmitting from DRNC, and according to prior art, SRNC parses the information unit meaning in the Iur message earlier, according to the RRC signaling, reconfigures message then.Can comprise the radio bearer parameter of coming in the RRC signaling, also comprise the signaling between SRNC and the UE by the DRNC biography.But this method can be brought the complexity of realization to SRNC, and owing to the PTM beared information of MBMS is distributed by DRNC, and the distribution of other radio bearers is finished by SRNC, the phenomenon that the distribution of some value may duplicate.For example bearing identification may same value can be distributed by SRNC and DRNC simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of from the method for DRNC to subscriber equipment transparent transmission signaling.
For achieving the above object, a kind of from the method for DRNC to subscriber equipment transparent transmission signaling, may further comprise the steps:
The MBMS control information that DRNC will issue UE is included in the Iur signaling and sends to SRNC;
SRNC resolves the message of receiving from DRNC, but does not resolve the MBMS control information that wherein comprises, and the MBMS control information is included in the RRC signaling between it and the UE;
UE receives the RRC signaling that SRNC transmits, if wherein comprise the MBMS control information of transmitting from DRNC, UE will decode its mode with the RRC signalling coding.
The present invention has provided a kind of new method of transmitting MBMS message between DRNC and UE.This invention has alleviated the processing burden that SRNC handles the Iur interface signaling, by the mode of transparent transmission information, has avoided the intervention of SRNC, thereby makes and thoroughly separate between the RRC signaling of SRNC and the generation of DRNC place, does not obscure mutually.
Description of drawings
Fig. 1 is a MBMS channel type conversion signaling procedure;
Fig. 2 is the behavior of SRNC node action;
Fig. 3 is a MBMS system configuration schematic diagram;
Fig. 4 is a MBMS multicast service flow process;
Fig. 5 is the behavior of DRNC node action;
Fig. 6 is the behavior of UE node action.
Embodiment
Below, describe the correct example of the present invention in detail with reference to additional figure.Below only describe understanding the necessary part of this explanation, to understand in order giving top priority to what is the most important and to omit to some extent other part.
Fig. 1 has described UE and has carried out cell update and channel type transformation flow figure.We describe core point of the present invention in conjunction with this figure.
101 stages when the subscriber equipment of CELL_FACH or CELL_PCH moves to new sub-district, sent " cell update message " to SRNC, comprised target cell information in the message.If this UE is in the CELL_DCH state, UE sends " measurement report " to SRNC, comprises the sign of Target cell in the message.Whether to one's name SRNC knows the control of this sub-district according to Target Cell Identifier.In this example, this Target cell is under the control of another RNC." MBMS adheres to request information to 102 stage SRNC, comprises service identification in the message, and UE identifies, and cell ID and carrying request are indicated to the DRNC transmission.Carrying request indication shows that SRNC goes for the PTM carrying configuration information of DRNC for this MBMS traffic assignments.103 stage D RNC find this sub-district for this reason the transmission mode that provides of MBMS business be the point-to-multipoint mode, according to the request of SRNC, return Iur message " MBMS adheres to response ", comprise service identification in the message, the MBMS control information.What this MBMS control information was carried is " foundation of MBMS radio bearer " message, and this message is used for setting up the point-to-multipoint channel between UE and DRNC.After SRNC received this message, it did not resolve this information unit of MBMS message.This information unit should be encoded in ASN.1 PER non-alignment mode, and the signalling coding mode is different between this and SRNC and the DRNC.Signalling coding mode on the Iur interface is an ASN.1 PER alignment thereof.If 104 these UE are in the CELL_FACH state, SRNC sends " cell update affirmation " message to UE so, comprises the carrying of UE dedicated signaling in the message, the MBMS control information.If UE is in CELL_DCH, SRNC just sends " radio bearer is reshuffled " message to UE, comprises the radio bearer sign of release in the message, the MBMS control information.After UE received control MBMS control information, with the decoding of ASN.1 PER non-alignment, this RRC message should be " foundation of MBMS radio bearer ", comprises service identification in this message with this information, radio bearer mapping, transmitting channel information and physic channel information.UE is according to the common signal channel of these parameter configuration MBMS.105UE returns " radio bearer is reshuffled and finished " message to SRNC.
106 we suppose that channel type is converted to point-to-point among the DRNC by point-to-multipoint.107DRNC sends " request of the MBMS PTM end of transmission " to SRNC, and this message comprises service identification, cell ID, channel type PTP, MBMS control information.What comprise in the MBMS control information should be RRC signaling " release of MBMS radio bearer " message, is used for explaining the point-to-multipoint carrying between UE and the DRNC.Radio Link between 108SRNC foundation and the DRNC is the service of MBMS point-to-point channel.109SRNC sends " radio bearer foundation " message to UE, comprises the point-to-point channel parameter of foundation in the message, new radio bearer mapping relations and MBMS message.This MBMS message is exactly RRC signaling " release of MBMS radio bearer " message.SRNC does not resolve this parameter, and just this parameter is delivered to UE pellucidly after DRNC receives.The coded system of this message is followed ASN.1 PER non-alignment mode.UE decodes according to this coded system, the PTM carrying before the deletion.110UE returns " radio bearer is set up and finished " message to SRNC.111SRNC returns " MBMS PTM end of transmission response message " to DRNC, and this message comprises service identification.
112 we suppose that channel type is by the point-to-point point-to-multipoint that converts among the DRNC.113DRNC sends Iur message " MBMS PTM transmission beginning request " to SRNC, and this message comprises service identification, cell ID, channel type PTM, MBMS control information.What comprise in the MBMS control information should be RRC signaling " foundation of MBMS radio bearer " message, comprises service identification in this message, radio bearer mapping, transmitting channel information and physic channel information.After SRNC receives this message, resolve information unit wherein, but do not resolve, just this parameter is passed to UE pellucidly after DRNC receives for MBMS control messages SRNC.114SRNC just sends " radio bearer is reshuffled " message to UE, comprises the radio bearer sign of release in the message, the MBMS control information.After UE receives the MBMS control information, this information is decoded in ASN.1 PER non-alignment mode, according to predetermined parameter configuration common signal channel in this message.115 UE return " radio bearer is reshuffled and finished " message to SRNC.
The node processing flow process of SRNC
Fig. 2 has described the node processing flow process of SRNC.
In 201 stages, SRNC receives from the message of UE and DRNC transmission.
202 stages judged whether the message of receiving is " measurement report " or " cell update ", if then forward 203 to, otherwise forward 204 to.In 203 stages, SRNC finds that the Target cell signal quality of UE is better, can be added in the Active Set, perhaps UE carries out after the sub-district reselects, send " MBMS adheres to request " to DRNC, request DRNC has joined this UE in the business contexts, thereby provides business for this UE.204 stages judged whether the message receive is " MBMS adheres to response ", if, and this message middle finger makes eye bright the channel type of mark sub-district for point arrives multiple spot, just forwards 205 to, otherwise forwards 207 to.In 205 stages, SRNC analyzes " MBMS adheres to response " this message, if wherein comprise " MBMS control information ", then SRNC does not decode to this partial information.In 206 stages, SRNC sends " radio bearer is reshuffled " or " cell update affirmation " message to UE, wherein comprises " the MBMS control information " that pass over from DRNC.Judge whether to receive that " MBMS PTM end of transmission request information if then turn to 208, otherwise turns to 210 207 stages.In 208 stages, SRNC resolves this message, if wherein comprise " MBMS control information ", then SRNC does not decode to this partial information.In 209 stages, SRNC sends " radio bearer foundation " message to UE, comprises the MBMS control information that passes over from DRNC in the message.210 stages judged whether the message of receiving is " MBMS PTM transmission beginning request ", if then turn to 211, otherwise turns to 213.In 211 stages, SRNC resolves this message, if wherein comprise " MBMS control information ", then SRNC does not decode to this partial information.In 212 stages, SRNC sends " radio bearer is reshuffled " message to UE, comprises the MBMS control information that passes over from DRNC in the message.213 stages judged whether the message of receiving is " radio bearer is reshuffled and finished " or " radio bearer is set up and finished ", if then turn to 214, otherwise turns to 201.In 214 stages, SRNC sends " response of the MBMS PTM end of transmission " or " MBMS PTM transmission beginning response " as the case may be to DRNC.
The node processing flow process of DRNC
Fig. 5 has described the node processing flow process of DRNC.
In 501 stages, DRNC receives the message of receiving from SRNC.
In 502 stages, DRNC judges whether the message of receiving is " MBMS adheres to request ".If then turn to 503, otherwise turn to 504.In 503 stages, whether DRNC requires carrying to determine to comprise the configuration information of point-to-multipoint channel in response message " MBMS adheres to response " according to SRNC, and this configuration information is sent to SRNC in the mode of MBMS control information.In 504 stages, DRNC judges whether to forward channel type to PTP from PTM, if then forward 505 to, otherwise turns to 506.In 505 stages, " MBMSPTM end of transmission request information wherein may comprise the MBMS control information to DRNC, and this message indication UE goes to discharge in the past at this professional PTM channel bearing to the SRNC transmission.In 506 stages, DRNC judges whether to forward channel type to PTM from PTP, if then turn to 507, otherwise turns to 501.In 507 stages, " MBMS PTM transmission beginning request information wherein may comprise the MBMS control information to DRNC, and this message indication UE removes to set up new MBMS PTM channel bearing to the SRNC transmission.DRNC do not described receive the concrete operations of " the MBMS PTM end of transmission/begin response " in this figure, because this does not have definite relation with the present invention.
The node processing flow process of UE
Fig. 6 has described the node processing flow process of UE.
601 stage UE receive message from SRNC.
602 stage UE judge whether the message of receiving is " radio bearer is reshuffled " or " cell update affirmation ", if then turn to 603, otherwise turns to 604.603 stages, UE resolves the message of receiving, if wherein comprise the MBMS control information, then UE decodes to this information unit according to resolving the RRC means of signaling, the message that wherein comprises is if " configuration of MBMS radio bearer ", UE is according to the transmission channel of this MBMS business of radio bearer parameter configuration reception of wherein configuration, physical channel or the like.604 stages judge the message receive whether be " radio bearer foundation " if then turn to 605, otherwise turn to 601.605 stages, UE resolves the message of receiving, if wherein comprise the MBMS control information, then UE decodes to this information unit according to resolving the RRC means of signaling, the message that wherein comprises is if " release of MBMS radio bearer ", and UE is according to the MBMS radio bearer before wherein indication discharges.
Claims (4)
1, a kind of from the method for DRNC to subscriber equipment transparent transmission signaling, comprise step:
The MBMS control information that DRNC will issue UE is included in the Iur signaling and sends to SRNC;
SRNC resolves the message of receiving from DRNC, but does not resolve the MBMS control information that wherein comprises, and the MBMS control information is included in the RRC signaling between it and the UE;
UE receives the RRC signaling that SRNC transmits, if wherein comprise the MBMS control information of transmitting from DRNC, UE will decode its mode with the RRC signalling coding.
2. method according to claim 1 is characterized in that: DRNC carries DRNC in the message that SRNC sends will be to the MBMS control information of UE transmission.
3. method according to claim 1 is characterized in that: SRNC can comprise the MBMS control information of being mail to this UE by DRNC in the RRC signaling that UE sends.
4. method according to claim 1 is characterized in that: the mode of described RRC signalling coding is an ANS.1PER non-alignment coded system.
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| CN 03154978 CN1585302A (en) | 2003-08-19 | 2003-08-19 | Method for transparent transmitting signal to user apparatus from DRNC |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124426A1 (en) * | 2009-04-30 | 2010-11-04 | 上海贝尔股份有限公司 | Message transmitting method and device thereof |
| WO2011035488A1 (en) * | 2009-09-27 | 2011-03-31 | 华为技术有限公司 | Method and apparatus for signaling transmission |
| CN101668246B (en) * | 2008-09-05 | 2012-09-05 | 中兴通讯股份有限公司 | Notification method for service area adjustment and wireless network controller |
-
2003
- 2003-08-19 CN CN 03154978 patent/CN1585302A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101668246B (en) * | 2008-09-05 | 2012-09-05 | 中兴通讯股份有限公司 | Notification method for service area adjustment and wireless network controller |
| WO2010124426A1 (en) * | 2009-04-30 | 2010-11-04 | 上海贝尔股份有限公司 | Message transmitting method and device thereof |
| CN102334369A (en) * | 2009-04-30 | 2012-01-25 | 上海贝尔股份有限公司 | Message transmitting method and device thereof |
| CN102334369B (en) * | 2009-04-30 | 2013-12-25 | 上海贝尔股份有限公司 | Message transmitting method and device thereof |
| WO2011035488A1 (en) * | 2009-09-27 | 2011-03-31 | 华为技术有限公司 | Method and apparatus for signaling transmission |
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