CN100352312C - Method for realizing addressing request delivery spanning wireless network controller by IU interface - Google Patents
Method for realizing addressing request delivery spanning wireless network controller by IU interface Download PDFInfo
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- CN100352312C CN100352312C CNB200410073877XA CN200410073877A CN100352312C CN 100352312 C CN100352312 C CN 100352312C CN B200410073877X A CNB200410073877X A CN B200410073877XA CN 200410073877 A CN200410073877 A CN 200410073877A CN 100352312 C CN100352312 C CN 100352312C
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Abstract
The present invention discloses a method for realizing transmission of paging requests across wireless network controllers by using an Iu port. After UE in a PCH state reaches TRNC, SRNC of UE receives paging messages of UE from a core network CS domain or data transmission requirements of UE from a PS domain; when SRNC judges that UE is in the PCH state and is not in the control range of SRNC, the contents of the organized paging request messages are added to a structure of RANAP protocol messages and are sent to the core network through the Iu port; the core network sends the contents of the paging request messages to TRNC of UE; TRNC parses and processes the contents of the paging request messages in the received messages, and organizes a first class of paging messages to originate the paging to UE. The method of the present invention can still receive the paging messages from the core network CS domain or the paging requirements generated by SRNC under the condition without Iur port.
Description
Technical field
The present invention relates to the third generation mobile system, relate in particular to the method that realizes striding RNC (radio network controller) paging in this system.
Background technology
TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, the TD SDMA access) there are being a lot of identical points in system and WCDMA (Wide Code Division MultipleAccess, the broadband S-CDMA inserts) system aspect the agreement of following.But aspect the effect that is risen two kind of 3 generation mobile communication standard with regard to the Iur mouth, the place that we wherein are not quite similar as can be seen.
In WCDMA, in the time of switching the soft handover principle of priority, certain UE is had multi wireless links and its communication simultaneously, wherein also can there be the Radio Link of Iur-crossing port.So we can think that the Iur mouth is indispensable to WCDMA.But this interface situation concerning TD-SCDMA is just different.At TD-SCDMA, only support the mode of direct-cut operation now, the flow process of direct-cut operation is: be the newly-built wireless links of UE earlier, notify UE to use new Radio Link to carry out communication then; After UE forwards the enterprising row communication of new Radio Link to, original Radio Link is deleted.That is to say at any time have only a wireless links and UE carrying out communication.When direct-cut operation is when striding RNC (radio network controller), we can use direct-cut operation to follow the mode of reorientation to solve the continuity problem of communication fully, and after not needing Iur-crossing port to set up Radio Link, allow UE move on the Radio Link of this Iur-crossing port.Because concerning TD-SCDMA, both actual effects are the same (for the users), and in the Radio Link subsequent treatment of Iur-crossing port, will cause some related procedure again, make RNC complicated aspect processing.
From above discussion, we can think that the Radio Link of setting up Iur-crossing port is indispensable to WCDMA, but concerning TD-SCDMA then being can be unwanted, even can think: after removing the Iur mouth, with reducing the processing complexity of RNC, make that the efficient resource on the RNC obtains better utilization.So in order to reduce the difficulty that the TD-SCDMA whole system is realized, improve overall system efficiency simultaneously, can consider not realize striding the Radio Link foundation of Iur fully.If not realizing the Radio Link of striding Iur sets up, the meaning that the Iur mouth exists greatly is just no longer valid, from this angle, RNSAP (Radio Network SubsystemApplication Part, the Radio Network Subsystem Application Part) agreement of removing the Iur mouth in TD-SCDMA is feasible.
If remove the Iur mouth, does will produce a new problem: how the paging request of Iur-crossing port transmit? because according to existing communications protocol, UE (portable terminal) is at PCH (Paging Channel, paging channel) after state enters another RNC, CN (core net) may initiate the paging to UE, is divided into following two kinds of situations:
First kind of situation is after SRNC receives the beep-page message that comes in the CS territory of core net, SRNC can organize paging request message, when the Iur mouth exists, this beep-page message is added that U-RNTI (Utran Radio Network Temporary Identifier) back sends to the TRNC side by the Iur mouth, form beep-page message paging UE by TRNC, after UE receives beep-page message, judge that UE is in the PCH state and the beep-page message received in comprise U-RNTI, then initiate the cell update flow process of this beep-page message of response.
If SRNC and TRNC are in a band of position, TRNC also can receive the beep-page message that the CS territory of core net sends, after TRNC receives beep-page message, can in paging channel, send first kind beep-page message to whole sub-district, but do not have the URNTI of UE in this first kind beep-page message, after UE receives this beep-page message, do not handle this beep-page message but directly this message is abandoned.Be that real active beep-page message is after receiving the paging request message of SRNC from TRNC, form and be sent to the first kind beep-page message of UE at TRNC.
Second kind is PS territory (message switching territory) when having data to transmit, and: SRNC can be by sending the message of paging request to TRNC, mails to UE after forming beep-page message by TRNC.This time, TRNC can not receive the data of core net to the PS territory that UE sends.SRNC is last can to know that the present state of UE is PCH, can't accept and send data, so SRNC initiate to insert the paging of side to UE, makes UE that state transition take place, thus make UE can enter can transceive data state.
Any situation described above all needs the support of Iur mouth when transmitting paging request message.If there is not the Iur mouth, this flow process can't realize therefore, how handling this situation is a problem in need of immediate treatment.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of transmitting by the paging request of the existing spanning across wireless network controller of Iu cause for gossip, can finish the propagation function of striding the RNC paging request message in the situation of removing the Iur mouth.
In order to solve the problems of the technologies described above, the invention provides a kind of method of transmitting by the paging request of the existing spanning across wireless network controller of Iu cause for gossip, may further comprise the steps:
(a) after portable terminal arrives the sub-district of target radio network controller administration at paging channel PCH state, the service wireless network controller of this portable terminal is received the beep-page message from this portable terminal in core net CS territory, perhaps receives the transfer of data requirement from this portable terminal in PS territory;
(b) described service wireless network controller judges it oneself is that service wireless network controller, this portable terminal of this portable terminal is in paging channel PCH state and sub-district, the present place of this portable terminal not to one's name during control range, the content of paging request message of tissue is joined in the structure of Radio Access Network application protocol message, mail to core net by the Iu mouth;
(c) core net mails to the content of described paging request message the target radio network controller of described portable terminal according to target radio network controller sign in the message;
(d) described target radio network controller carries out dissection process to the content of receiving the paging request message in the message, organizes first kind beep-page message, initiates the paging to this portable terminal in paging channel.
Further, the method for above-mentioned paging request transmission can have following characteristics: the content of described paging request message is in the Radio Resource control container that joins in original Radio Access Network application protocol message and labels.
Further, the method that above-mentioned paging request is transmitted can have following characteristics: the content of described paging request message is to join in the Radio Resource control container of RELOCATION REQUEST message, after core net was received this RELOCATION REQUEST message, the message content of organizing the reorientation incoming message to add was delivered to target radio network controller; Perhaps the content of described paging request message is to join in the Radio Resource control container of reorientation response message, after core net was received this reorientation response message, the message content of organizing the reorientation command messages to add was delivered to target radio network controller.
Further, the method that above-mentioned paging request is transmitted can have following characteristics: the content of the paging request message that described Radio Resource control container comprises is labelled by a parameter value, after described target radio network controller is received the Radio Access Network application protocol message, discern the content of the control of Radio Resource in its structure paging request message that container comprised according to this parameter value in its structure, resolve then.
Further, the method that above-mentioned paging request is transmitted can have following characteristics: the content of described paging request message is to join in the structure of newly-increased Radio Access Network application protocol message, also includes the sign of service wireless network controller and target radio network controller in this newly-increased message structure.
Further, the method that above-mentioned paging request is transmitted can have following characteristics: comprise a content identification parameter in the structure of the newly-increased Radio Access Network application protocol message that described paging request message content is added, after described target radio network controller is received this newly-increased message, discern the content of the paging request message that comprises in its structure according to this parameter in its structure, resolve then.
Further, the method transmitted of above-mentioned paging request can have following characteristics: the content of described paging request message is that the structure organization by former radio resource control message joins in the structure of Radio Access Network application protocol message.
Adopt the inventive method, guaranteed that UE is after entering TRNC under the PCH state, under the condition that does not have the Iur mouth, still can accept in real time from the beep-page message in core net CS territory or the paging requirement of SRNC generation, save SRNC and gone up precious resources, do not connect because do not need to rebulid RRC, improved communication and set up speed.Adopt method of the present invention, will save settings a large amount of in the planning process of arranging net, debugging, the workload of planning.
Description of drawings
Fig. 1 is after revising RRC Container data structure, strides the flow chart of RNC paging request.
After Fig. 2 is newly-increased RANAP message and data structure, stride the flow chart of RNC paging request.
Embodiment
The condition that the paging request flow process of RNC will satisfy is striden in triggering: when UE after the PCH state arrives the sub-district that TRNC administered, SRNC receives the beep-page message from this UE in core net CS territory, perhaps SRNC receives the transfer of data requirement from this UE in PS territory.
Paging request message of the present invention need be transmitted by the Iu mouth, will describe the present invention's realization in detail with two embodiment below and stride the method that the paging request of RNC is transmitted.
First embodiment
Existing message in the RANAP is still continued to use in communication between present embodiment RNC and core net.In order to realize the transmission paging request message by Iu, and don't change existing RANAP, present embodiment all is placed on the content of paging request message to transmitting in the sightless code stream of core net.RRC Container (the Radio Resource control container) block code that comes to this stream in the existing RANAP, in RELOCATION REQUEST message, reorientation response message and the reorientation incoming message (Relocation Request) of RANAP the structure of a unit being arranged all is RRC Container, and this unit is handled by RRC agreement (radio resource control).
Present embodiment is that the RRC Container structure in the RELOCATION REQUEST message is expanded, and the content of paging request message is added wherein, mails to core net by the Iu mouth.Defined some structures among original RRC Container, distinguished by the value of the parametric t in this message structure between each RRC Container structure, supposed that present span is 1～N, then present embodiment need increase to give a definition:
During t=N+1, the content that comprises paging request message in the RRC Container structure, include SRNC-ID (service wireless network controller sign), S-RNTI (Utran Radio Network Temporary Identifier), IMSI (international mobile subscriber identity), CHOICE Paging Area (paging domain option), CNOriginated Page to Connected Mode UE (core net is to the paging of the UE initiation of connection mode).The content of paging request message adopts the structure of former RRC message to organize, but the present invention does not limit concrete organizational form.
Present embodiment realize striding RNC paging flow process as shown in Figure 1, may further comprise the steps:
S01, when UE after the PCH state arrives the sub-district that TRNC administered, SRNC receives from the beep-page message of this UE in core net CS territory or receives data transfer request from the PS territory that belongs to this UE of core net;
S02, SRNC judge oneself whether SRNC of UE, and the state of UE is that PCH and UE be not in the sub-district of oneself control, if, send RELOCATION REQUEST message to CN, comprise the content of paging request message in the RRCContainer structure of this message, parametric t=N+1;
S03, after core net is received the RELOCATION REQUEST message of SRNC transmission, identify according to the purpose RNC in the reorientation message structure, organize the reorientation incoming message to send to TRNC, RRC Container structure in the reorientation incoming message is identical with RELOCATION REQUEST message, like this, the content of paging request message just has been transparent to TRNC;
S04, after the TRNC side is received this reorientation incoming message, RRC Container structure in this message is analyzed, what learn that it comprises according to parametric t=N+1 is the content of paging request message, after its dissection process, tissue is to the first kind beep-page message of UE, and the location area cell at the UE place sends.
The advantage of first embodiment is: all used original message structure and handling process at Uu mouth and Iu mouth, modification is limited in the RRC structure, reduced the modification to the existing protocol framework as best one can.Adopted the mode of revising the RRC Container structure in the re-positioning request, the content of the paging request message that will use in the creationary adding paging request process.Proposed on the basis that does not change RANAP, to finish scheme to the UE paging.
This embodiment can have other conversion on the basis of such scheme, for example, can change into the RRC Container structure of reorientation response message is expanded, the content that adds paging request message, after core net is received this reorientation response message, organize the reorientation command messages that the message content that adds is delivered to the purpose radio network controller.But also can adopt other to comprise the RANAP message of transparent transmission information.
Second embodiment:
In order to pass former content by the Iu oral instructions by the defeated paging request message of Iur oral instructions, present embodiment has adopted a newly-increased RANAP message (being designated hereinafter simply as newly-increased message), and defined the message structure of this newly-increased message, the sign that in newly-increased message structure, contains purpose RNC and source RNC, in order to help expansion to this newly-increased message, present embodiment has also defined a parametric t, distinguishes the different messages content that may add with the t value, present being defined as follows:
During t=1, comprise the content of paging request message in the newly-increased message structure, comprise the paging solicited message that SRNC sends, as SRNC-ID, S-RNTI, IMSI, paging domain option, the paging that core net is initiated the UE of connection mode etc.The content of paging request message also adopts the structure of former RRC message to organize and joins in the RELOCATION REQUEST message.
Present embodiment realize striding RNC paging flow process as shown in Figure 2, may further comprise the steps:
S10, when UE after the PCH state arrives the sub-district that TRNC administered, SRNC receives from the beep-page message of this UE in core net CS territory or receives data transfer request from the PS territory that belongs to this UE of core net;
S11, SRNC judges oneself whether SRNC of UE, the state of UE is that PCH and UE be not in the sub-district of oneself control, if, send newly-increased message to core net, purpose RNC in its message structure is designated the TRNC sign of this UE, and the parametric t in the structure=1 comprises the content of paging request message;
S12 after core net is received the newly-increased message of SRNC transmission, directly sends to TRNC with this message according to purpose RNC sign, and the content of paging request message just has been passed to TRNC like this;
S13, the TRNC side is analyzed its message structure after receiving newly-increased message, what learn that it comprises according to parametric t=1 is the content of paging request message, after its dissection process, tissue is to the first kind beep-page message of UE, and the location area cell at the UE place sends.
The advantage of second embodiment is: adding for RANAP on the basis of new information, use new interface to finish paging request flow process, and this has just enlarged the range of definition to Iu mouth agreement on original basis, do not influence original flow process and structure, can compatible function, flow process and parameter in the past.Because what adopt is the mode of function expansion, so can on function and exploitation version, accomplish to seamlessly transit.
Second embodiment also can have other conversion on the basis of such scheme, for example, the rrc layer message content that is comprised in the newly-increased message structure of embodiment is visible to core net, but also can in newly-increased message, a RRC Container unit be set, the message of coming the transparent transmission rrc layer with this structure.Core net can directly be transmitted by such scheme newly-increased message, also can handle, but must guarantee that wherein the content of rrc layer message is passed to purpose RNC.
Claims (7)
1, a kind of method of transmitting by the paging request of the existing spanning across wireless network controller of Iu cause for gossip may further comprise the steps:
(a) after portable terminal arrives the sub-district of target radio network controller administration at paging channel PCH state, the service wireless network controller of this portable terminal is received the beep-page message from this portable terminal in core net CS territory, perhaps receives the transfer of data requirement from this portable terminal in PS territory;
(b) described service wireless network controller judges it oneself is that service wireless network controller, this portable terminal of this portable terminal is in paging channel PCH state and sub-district, the present place of this portable terminal not to one's name during control range, the content of paging request message of tissue is joined in the structure of Radio Access Network application protocol message, mail to core net by the Iu mouth;
(c) core net mails to the content of described paging request message the target radio network controller of described portable terminal according to target radio network controller sign in the message;
(d) described target radio network controller carries out dissection process to the content of receiving the paging request message in the message, organizes first kind beep-page message, initiates the paging to this portable terminal in paging channel.
2, the method for claim 1 is characterized in that, the content of described paging request message is in the Radio Resource control container that joins in original Radio Access Network application protocol message and labels.
3, method as claimed in claim 2, it is characterized in that, the content of described paging request message is to join in the Radio Resource control container of RELOCATION REQUEST message, after core net was received this RELOCATION REQUEST message, the message content of organizing the reorientation incoming message to add was delivered to target radio network controller; Perhaps the content of described paging request message is to join in the Radio Resource control container of reorientation response message, after core net was received this reorientation response message, the message content of organizing the reorientation command messages to add was delivered to target radio network controller.
4, method as claimed in claim 3, it is characterized in that, the content of the paging request message that described Radio Resource control container comprises is labelled by a parameter value, after described target radio network controller is received the Radio Access Network application protocol message, discern the content of the control of Radio Resource in its structure paging request message that container comprised according to this parameter value in its structure, resolve then.
5, the method for claim 1, it is characterized in that, the content of described paging request message is to join in the structure of newly-increased Radio Access Network application protocol message, also includes the sign of service wireless network controller and target radio network controller in this newly-increased message structure.
6, method as claimed in claim 5, it is characterized in that, comprise a content identification parameter in the structure of the newly-increased Radio Access Network application protocol message that described paging request message content is added, after described target radio network controller is received this newly-increased message, discern the content of the paging request message that comprises in its structure according to this parameter in its structure, resolve then.
7, the method for claim 1 is characterized in that, the content of described paging request message is that the structure organization by former radio resource control message joins in the structure of Radio Access Network application protocol message.
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| CN100562173C (en) * | 2006-08-24 | 2009-11-18 | 中兴通讯股份有限公司 | The descending control signal channel adjusting device of wireless network controller with high-speed ascending access and method |
| US20090086719A1 (en) * | 2007-10-02 | 2009-04-02 | Nokia Corporation | Dynamic initiation of I1-ps signaling in IMS centralized services |
| CN101466122B (en) * | 2007-12-18 | 2010-04-21 | 华为技术有限公司 | Method, system and device for switching to developmental packet system network |
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| CN1305328A (en) * | 1999-12-10 | 2001-07-25 | 朗迅科技公司 | Mobile radio communication system possessing synchronous switch |
| US20030073437A1 (en) * | 2001-10-16 | 2003-04-17 | Yuen Steven Tsan-Ying | Method for handling a call establishment request during location management in3G wireless networks |
| CN1430355A (en) * | 2001-12-29 | 2003-07-16 | 华为技术有限公司 | Method for processing user interface in circuit domain interface between network and radio access network |
| EP1342386A1 (en) * | 2000-12-11 | 2003-09-10 | Telefonaktiebolaget LM Ericsson (publ) | Control node handover in radio access network |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305328A (en) * | 1999-12-10 | 2001-07-25 | 朗迅科技公司 | Mobile radio communication system possessing synchronous switch |
| EP1342386A1 (en) * | 2000-12-11 | 2003-09-10 | Telefonaktiebolaget LM Ericsson (publ) | Control node handover in radio access network |
| US20030073437A1 (en) * | 2001-10-16 | 2003-04-17 | Yuen Steven Tsan-Ying | Method for handling a call establishment request during location management in3G wireless networks |
| CN1430355A (en) * | 2001-12-29 | 2003-07-16 | 华为技术有限公司 | Method for processing user interface in circuit domain interface between network and radio access network |
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