CN1414804A - Method of implementing direct communication between base stations - Google Patents
Method of implementing direct communication between base stations Download PDFInfo
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- CN1414804A CN1414804A CN 01136643 CN01136643A CN1414804A CN 1414804 A CN1414804 A CN 1414804A CN 01136643 CN01136643 CN 01136643 CN 01136643 A CN01136643 A CN 01136643A CN 1414804 A CN1414804 A CN 1414804A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
Abstract
A method to realize the direct communication on data and signalling between the base stations includes the logic interface IuNB used for interconnections between the base stations and its supporting on the transmission of data and signalling between two base stations as well as fulfilling the management and maintenance of transmission network, business management of transmission channel and interface resources between the base stations, setting up the logic link between two base stations through above-mentioned interface and using it for finishing the transmission and management function of data and signalling, releasing the logic link between the base stations at last, and the said method also establishing the protocol stack between the control face of abovesaid IuNB interface and user face.
Description
Technical field
The present invention relates to the transmission technology of cordless communication network, specifically proposed a kind of method that realizes data and signaling direct communication between radio communication system base station that relates to.
Background technology
In universal land radio access web (UTRAN) system, between the entity of different nodes because the data of the function that will finish and processing different, so adopt the interface of different application different agreements.For example, the interface between radio network controller (RNC) and the SGSN/MSC (Serving GPRS Support Node/mobile switching centre) is the Iu interface, and the interface control protocol is RNAP (Radio Access Network Application Part); Interface between RNC and the RNC is RNC interface (Iur) interface among the UTRAN, and the interface control protocol is Radio Network Subsystem Application Part (RNSAP); Interface between RNC and the base station (NodeB) is the inter-base station interface (Iub interface) among the UTRAN, and the interface control protocol is a WCDMA system base-station applying portion (NBAP); The air interface of subscriber equipment (UE) and UTRAN net is the Uu interface; For Uplink/Downlink, the transmission channel of signaling and data flow according to the solid stream that above-mentioned interface flows is: MSC/SGSN---Serving RNC---RNC (optional)---NodeB---UE.
In the 5th version (R5) stage of third generation partnership project (3GPP) standard, introduce Internet Protocol (IP agreement) transmission, each network element all directly hangs on the edge router of IP network, for example: RNC, NodeB respectively directly and edge router link.Data flow identifies the data flow on the interface with " User Datagram Protoco (UDP) (UDP) port numbers+IP address " on the Iub interface.In this structure, transmission becomes peer entity by original hierarchical relationship between RNC and the NodeB, can realize free communication between the NodeB and between NodeB and the RNC.But the transmission controlled function overwhelming majority in the UTRAN system is finished by RNC at present, a RNC need administer a plurality of NodeB, not only because overload causes the delay of signaling process and data processing, and Iub interface also can cause the delay of signaling and data processing, also has the nervous problem of resource of buffer memory, common signal channel etc. simultaneously.Focus on the bottleneck that causes in order to overcome RNC, need part RNC function to be displaced downwardly among the NodeB, to improve the efficient of system, as moving down of MAC-hs entity.But along with RNC partial function entity moves down into NodeB, can make the increase in demand of direct communication between the NodeB, for example the high-speed downstream bag fast cell that inserts (HSDPA) selects (FCS) to replace centralized PDU formation among the RNC with distributed PDU formation, synchronizing information that can frequent transmission PDU formation between NodeB.As seen, along with the RNC function gradually to the transfer of NodeB, impel between RNC and the NodeB control relation also subduing, process control between the UTRAN entity turns to distributed management gradually by centralized management, if the information exchange between the NodeB is still finished by RNC at present, not only transmission path is elongated, and still is subjected to the time-delay restriction of Iub/Iur interface, will cause the decline of system effectiveness.
Summary of the invention
The object of the present invention is to provide a kind of method that realizes carrying out between the base station direct communication of data and signaling, use this method can obviously alleviate the data processing load of RNC, eliminate the influence of Iub/Iur interface delay, and then improve the efficient of wireless communication system.
For achieving the above object, the method for realization direct communication between base stations provided by the invention comprises:
(1) set up the logic interfacing (IuNB) that is used for interconnecting between the base station, this interface supports that the required Radio Resource of communication link between base station (NodeB) is carried out signaling to be consulted, and supports the Frame communication between the base station;
(2) set up two logical links between the base station, finish two signaling and transfer of data between the base station, and management and maintenance, the service management of transmission channel and the management of interface resource of finishing the transmission network between the base station;
(3) after finishing the described function of above-mentioned steps (2), discharge the logical links between the base station.
Described method also comprises, creates the protocol stack of described IuNB interface control plane and user's face.
Described chain of command protocol stack comprises 6 levels, ground floor adopts the physical (L1) agreement, the second layer adopts data link layer (L2) agreement, the 3rd layer is adopted Internet Protocol (IP agreement), the 4th layer is adopted SCTP (Stream Control Transmission Protocol), layer 5 adopts signaling user's adapting protocol (SUA agreement), and layer 6 adopts the base station to applying portion between the base station (BBAP) agreement.
Above-mentioned chain of command protocol stack layer 5 comprises two sublayers, and MTP3-User Adaptation Layer is adopted in first sublayer, and (M3UA, MTP3: agreement the 3rd layer of message transfer part), SCCP (SCCP) agreement is adopted in second sublayer.
Described user face protocol stack comprises 5 levels, and ground floor adopts the L1 agreement, and the second layer adopts the L2 agreement, and the 3rd layer is adopted the IP agreement, and the 4th layer is adopted User Datagram Protoco (UDP) (UDP) agreement, and layer 5 adopts the IuNB Frame Protocol.
Because, the present invention has defined an IuNB interface for the direct communication between the base station, its chain of command and the protocol stack of user's face have been defined simultaneously, for the message transmission between the base station provides passage more easily, can make the link of setting up direct communication between the base station, directly finish the exchange of signaling and data, so this method can obviously alleviate the data processing load of RNC, eliminate the influence of Iub/Iur interface delay, and then improve the efficient of wireless communication system.Simultaneously, the chain of command signaling bear of IuNB interface is for improving the control information amount of NodeB, and the evolution that promotes the UTRAN 26S Proteasome Structure and Function will play an important role.
Description of drawings
Fig. 1 is the UTRAN system construction drawing of distribution;
Fig. 2 is the location drawing of interface of the present invention in the UTRAN system;
Fig. 3 is the embodiment flow chart of the method for the invention;
Fig. 4 is the protocol stack of IuNB interface of the present invention;
Fig. 5 is based on the foundation and the dispose procedure of user's face link of IuNB interface of the present invention;
Fig. 6 uses the distributed link management process figure that the present invention realizes in the FCS of HSDPA process.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
In the UTRAN system, for alleviating the burden of RNC data processing, the function of promotion RNC moves down to the base station, and the present invention sets up between UTRAN internal entity base station and base station can realize base-station connected logic interfacing--IuNB, with reference to figure 2.The present invention realizes that according to above-mentioned interface the method embodiment of direct communication between base stations is with reference to figure 3.The 1st step, set up the logic interfacing IuNB that is used for interconnecting between the base station, should follow following principle: at first this interface should be open interface; Secondly this interface should be supported two signaling and transfer of data between the base station; The 3rd this interface should be the point-to-point logic connecting interface between two base stations, and is irrelevant with concrete physical connection.
The logic interfacing IuNB that interconnects between the base station has following feature: support that 1) the required Radio Resource of communication link between NodeB is carried out signaling and consult .2) support the Frame communication between the base station.The data frame format (comprising HS-DSCH) of NodeB support is at present all supported by IuNB interface data frame.
The IuNB interface of setting up according to mentioned above principle and feature has following function: can support two signaling and transfer of data between the base station, can finish the management of transmission network, the service management of transmission channel and the management of described IuNB interface resource;
For finishing above-mentioned functions, need to create the protocol stack of described IuNB interface control plane and user's face.With reference to figure 4.Chain of command protocol stack in the present embodiment comprises 6 levels, and ground floor adopts the L1 agreement, and the second layer adopts the L2 agreement, and the 3rd layer is adopted the IP agreement, and the 4th layer is adopted Stream Control Transmission Protocol, and layer 5 adopts the SUA agreement, and layer 6 adopts the BBAP agreement.
Wherein said chain of command protocol stack layer 5 is except adopting the SUA agreement, can also adopt the structure that comprises two sublayers, M3UA is adopted in first sublayer, and (MTP3-User Adaptation Layer, MTP3: agreement message transfer part 3), SCCP (SCCP) agreement is adopted in second sublayer.
Described user face protocol stack comprises 5 levels, and ground floor adopts the L1 agreement, and the second layer adopts the L2 agreement, and the 3rd layer is adopted the IP agreement, and the 4th layer is adopted udp protocol, and layer 5 adopts the IuNB agreement.
Above-mentioned BBAP is the wireless network layer protocol of IuNB on chain of command.It can be expanded based on existing NBAP agreement, increases some and supports the optional IE (information element) of IuNB transmission to get final product.The wireless transmission layer protocol of chain of command adopts SCTP stream to distinguish, and is consistent with existing NBAP signaling transmission.
The 2nd step, utilize the above-mentioned the 1st the interface that provides is provided, set up two logical links between the base station, utilize described logic link control to finish two signaling and transfer of data between the base station, the management function of the management of transmission network, the service management of transmission channel and described IuNB interface resource.
In the 3rd step, after finishing above-mentioned described function of the 2nd step, discharge the logical links between the base station.
The process of above-mentioned the 2nd, 3 steps foundation and release IuNB link is with reference to figure 5.
Wherein, setting up two logical links between the base station can realize by following steps: with reference to figure 5.
When base station 1 needed the IuNB link of foundation and base station 2, at first the request (InterNodeB Connection Request) of setting up logical links was sent in base station 1 to base station 2; The response (InterNodeB Connection Setup) of setting up link is sent according to above-mentioned request in base station 2 to base station 1 then; Described response back distribute links resource is received in last base station 1, and sends the message (InterNodeB Connection Setup Complete) that link establishment finishes to base station 2, and then finishes the foundation of IuNB link between two base stations.
The logical links that discharges between two base stations can be realized by following steps:
When the link between two base stations need discharge, at first base station 1 sent the message (InterNodeB Connection Release) that requires to discharge link to base station 2; 2 base stations discharge the resource relevant with this link according to described message then, and send the message (InterNodeB Connection Release Complete) that link release finishes to base station 1; Last base station 1 discharges the IuNB link circuit resource of self after receiving that described link discharges the message that finishes, logical links discharges between the base station thereby finish.
Below by adopting IuNB interface provided by the invention, the present invention will be further described to carry out the embodiment of distributed link management process of HSDPA FCS (fast cell of high-speed downstream bag in inserting selected).With reference to figure 6.
In the described HSDPA FCS process of Fig. 6 based on IuNB, when new sub-district adds Active Set, RNC (radio network controller) sends base station under new sub-district the Radio Link that comprises in the Active Set IP address of base station under all sub-districts and sub-district ID (sign) number and sets up request (RadioLink setup request), chain of command all sub-districts in Active Set by the IuNB interface, new sub-district comprise the IP address of base station under the new sub-district and sub-district ID number signaling broadcasting (InterNodeBConnection request), and the chain of command of base station by the IuNB interface sets up the 1. link circuit resource of base station assigns necessity under the new sub-district of (InterNodeB Connection setup) indication of link-attached signaling under the main plot.The base station is with the link circuit resource of distributing under the new sub-district, it is FPDP, the signaling of finishing with the chain of command link establishment of IuNB 2. (InterNodeB Connection setupcomplete) sends to base station under the main plot, at this moment, the IuNB data link between the master and slave base station is set up and is finished.
Finish to the foundation of RNC report Radio Link after having set up the IuNB link base station under the new sub-district.RNC notifies UE (subscriber equipment) to upgrade the current Active Set that the UE side is preserved then.
The base station is after setting up the IuNB link under the main plot, " the Active Set routing table is synchronous " message of having upgraded sent by the IuNB data link of having set up pass to all base stations under the sub-district, finish the renewal of Active Set routing table then by base stations control under the sub-district from the sub-district.This process and follow-up main plot are to send the content that cell synchronization information all belongs to the figure 3. " IuNB interface data transmission " from the sub-district.
When Active Set is withdrawed from a sub-district, discharge this sub-district resource relevant with current Active Set.It so judge according to Active Set whether oneself is last sub-district in current Active Set among the affiliated NodeB, if then also will notify NodeB to discharge the relevant resource of IuNB data link.
RNC at first notifies UE to upgrade Active Set, and notice withdraws from the link that Iub (base-station interface among the UTRAN) and IuNB interface are removed in the sub-district.
At first RNC notice UE upgrades Active Set, when UE renewal Active Set finishes, RNC sends the request that discharges Radio Link to withdrawing from the sub-district, withdraws from signaling that the sub-district discharges with the chain of command link of IuNB and 4. discharges and oneself relevant link circuit resource all sub-districts in (InterNodeB Connection release) notice Active Set.All sub-districts are returned link and are discharged the affirmation information that finishes 5. after (InterNodeB Connection release complete) to withdrawing from the sub-district by the IuNB chain of command, withdraw from the sub-district and discharge resource relevant in this sub-district, notify the RNC link to remove then and finish with this Active Set.
Claims (7)
1, a kind of method that realizes direct communication between base stations comprises:
(1) set up the logic interfacing (IuNB) that is used for interconnecting between the base station, this interface supports that the required Radio Resource of communication link between base station (NodeB) is carried out signaling to be consulted, and supports the Frame communication between the base station;
(2) set up two logical links between the base station, finish two signaling and transfer of data between the base station, and management and maintenance, the service management of transmission channel and the management of interface resource of finishing the transmission network between the base station;
(3) after finishing the described function of above-mentioned steps (2), discharge the logical links between the base station.
2, the method for realization direct communication between base stations according to claim 1 is characterized in that: described method also comprises, creates the protocol stack of described IuNB interface control plane and user's face.
3, the method for realization direct communication between base stations according to claim 1, it is characterized in that: described chain of command protocol stack comprises 6 levels, ground floor adopts the physical (L1) agreement, the second layer adopts data link layer (L2) agreement, the 3rd layer is adopted Internet Protocol (IP agreement), the 4th layer is adopted SCTP (Stream Control Transmission Protocol), and layer 5 adopts signaling user's adapting protocol (SUA agreement), and layer 6 adopts the base station to applying portion between the base station (BBAP) agreement.
4, the method for realization direct communication between base stations according to claim 3, it is characterized in that: described chain of command protocol stack layer 5 comprises two sublayers, MTP3-User Adaptation Layer (M3UA is adopted in first sublayer, MTP3: agreement the 3rd layer of message transfer part), SCCP (SCCP) agreement is adopted in second sublayer.
5, the method for realization direct communication between base stations according to claim 1, it is characterized in that: described user face protocol stack comprises 5 levels, ground floor adopts the L1 agreement, the second layer adopts the L2 agreement, the 3rd layer is adopted the IP agreement, the 4th layer is adopted User Datagram Protoco (UDP) (UDP) agreement, and layer 5 adopts the IuNB Frame Protocol.
6, the method for realization direct communication between base stations according to claim 1 is characterized in that describedly setting up two logical links between the base station and further may further comprise the steps:
(61) request of setting up logical links is sent in base station 1 to base station 2;
(62) response of setting up link is sent according to above-mentioned request in base station 2 to base station 1;
Described response back distribute links resource is received in (63) 1 base stations, after successful distribute links resource, sends the message that link establishment finishes to base station 2, and then finishes the foundation of logical links between two base stations; If link circuit resource distributes failure, send the link establishment failure to base station 2, comprise corresponding failure cause in the message.
7, the method for realization direct communication between base stations according to claim 1 is characterized in that the logical links between two base stations of described release further may further comprise the steps:
(71) base station 1 sends the message that requires to discharge link to base station 2;
(72) base station 2 discharges the resource relevant with this link according to described message, and sends the message that link release finishes to base station 1;
(73) after base station 1 receives that described link discharges the message that finishes, discharge the link circuit resource resource of self, logical links discharges between the base station thereby finish.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011366435A CN1173588C (en) | 2001-10-24 | 2001-10-24 | Method of implementing direct communication between base stations |
| PCT/CN2002/000156 WO2003037011A1 (en) | 2001-10-24 | 2002-03-13 | A method for realize communication directly between base stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011366435A CN1173588C (en) | 2001-10-24 | 2001-10-24 | Method of implementing direct communication between base stations |
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| Publication Number | Publication Date |
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| CN1414804A true CN1414804A (en) | 2003-04-30 |
| CN1173588C CN1173588C (en) | 2004-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB011366435A Expired - Lifetime CN1173588C (en) | 2001-10-24 | 2001-10-24 | Method of implementing direct communication between base stations |
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| CN (1) | CN1173588C (en) |
| WO (1) | WO2003037011A1 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006005227A1 (en) * | 2004-07-13 | 2006-01-19 | Utstarcom Telecom Co., Ltd. | Radio access network system in mobile communicating system |
| CN100441013C (en) * | 2004-04-30 | 2008-12-03 | 大唐移动通信设备有限公司 | Apparatus and method for testing operating and maintaining functions of Iub interface of base station in communication system |
| CN100452898C (en) * | 2004-03-04 | 2009-01-14 | Ut斯达康通讯有限公司 | Method and system for load share in wireless base station |
| CN100466517C (en) * | 2006-01-03 | 2009-03-04 | 华为技术有限公司 | Conversion method of the long-evolving network and its user device states |
| CN1964521B (en) * | 2005-11-11 | 2010-05-12 | 上海贝尔阿尔卡特股份有限公司 | A wireless self-return method and device in wireless communication network |
| WO2010145105A1 (en) * | 2009-06-30 | 2010-12-23 | 中兴通讯股份有限公司 | Method and system for relocation |
| CN101370219B (en) * | 2007-08-13 | 2011-05-11 | 大唐移动通信设备有限公司 | Method for tracing customer equipment |
| CN102457434A (en) * | 2010-11-01 | 2012-05-16 | 中兴通讯股份有限公司 | Base station interaction method and device |
| CN102685841A (en) * | 2012-05-29 | 2012-09-19 | 中国联合网络通信集团有限公司 | Routing processing method and base station based on base station through architecture |
| CN102695238A (en) * | 2012-05-29 | 2012-09-26 | 中国联合网络通信集团有限公司 | Method, equipment and system for data straight-through processing |
| WO2012174873A1 (en) * | 2011-06-22 | 2012-12-27 | 中兴通讯股份有限公司 | Method, device and system for optimizing random access channel configuration parameters |
| US8467358B2 (en) | 2007-11-05 | 2013-06-18 | Huawei Technologies Co., Ltd. | Mobile agent, radio access network, and network adaptation method |
| US10575343B2 (en) | 2014-09-16 | 2020-02-25 | Huawei Technologies Co., Ltd. | Communication method and apparatus |
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| EP0888022A3 (en) * | 1997-06-24 | 2001-01-17 | Lucent Technologies Inc. | Wireless telecommunications system for improving performance and compatibility |
| GB9905372D0 (en) * | 1999-03-10 | 1999-05-05 | Univ Strathclyde | Mobile communications network |
| EP1039767A1 (en) * | 1999-03-24 | 2000-09-27 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Processing of mobile originated calls in packet switched protocol based communication networks |
-
2001
- 2001-10-24 CN CNB011366435A patent/CN1173588C/en not_active Expired - Lifetime
-
2002
- 2002-03-13 WO PCT/CN2002/000156 patent/WO2003037011A1/en not_active Application Discontinuation
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100452898C (en) * | 2004-03-04 | 2009-01-14 | Ut斯达康通讯有限公司 | Method and system for load share in wireless base station |
| CN100441013C (en) * | 2004-04-30 | 2008-12-03 | 大唐移动通信设备有限公司 | Apparatus and method for testing operating and maintaining functions of Iub interface of base station in communication system |
| CN100515102C (en) * | 2004-07-13 | 2009-07-15 | Ut斯达康通讯有限公司 | Wireless switch-in network system in mobile communication system |
| WO2006005227A1 (en) * | 2004-07-13 | 2006-01-19 | Utstarcom Telecom Co., Ltd. | Radio access network system in mobile communicating system |
| US8134979B2 (en) | 2005-11-11 | 2012-03-13 | Alcatel Lucent | Self-backhaul method and apparatus in wireless communication networks |
| CN1964521B (en) * | 2005-11-11 | 2010-05-12 | 上海贝尔阿尔卡特股份有限公司 | A wireless self-return method and device in wireless communication network |
| CN100466517C (en) * | 2006-01-03 | 2009-03-04 | 华为技术有限公司 | Conversion method of the long-evolving network and its user device states |
| CN101370219B (en) * | 2007-08-13 | 2011-05-11 | 大唐移动通信设备有限公司 | Method for tracing customer equipment |
| US8467358B2 (en) | 2007-11-05 | 2013-06-18 | Huawei Technologies Co., Ltd. | Mobile agent, radio access network, and network adaptation method |
| WO2010145105A1 (en) * | 2009-06-30 | 2010-12-23 | 中兴通讯股份有限公司 | Method and system for relocation |
| US8761771B2 (en) | 2009-06-30 | 2014-06-24 | Zte Corporation | Method and system for relocation |
| CN102457434A (en) * | 2010-11-01 | 2012-05-16 | 中兴通讯股份有限公司 | Base station interaction method and device |
| CN102457434B (en) * | 2010-11-01 | 2014-12-31 | 中兴通讯股份有限公司 | Base station interaction method and device |
| WO2012174873A1 (en) * | 2011-06-22 | 2012-12-27 | 中兴通讯股份有限公司 | Method, device and system for optimizing random access channel configuration parameters |
| CN102685841A (en) * | 2012-05-29 | 2012-09-19 | 中国联合网络通信集团有限公司 | Routing processing method and base station based on base station through architecture |
| CN102695238A (en) * | 2012-05-29 | 2012-09-26 | 中国联合网络通信集团有限公司 | Method, equipment and system for data straight-through processing |
| US10575343B2 (en) | 2014-09-16 | 2020-02-25 | Huawei Technologies Co., Ltd. | Communication method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1173588C (en) | 2004-10-27 |
| WO2003037011A1 (en) | 2003-05-01 |
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Granted publication date: 20041027 |