CN1545288A - A method for external link identification mapping and processing within base station - Google Patents
A method for external link identification mapping and processing within base station Download PDFInfo
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- CN1545288A CN1545288A CNA2003101123087A CN200310112308A CN1545288A CN 1545288 A CN1545288 A CN 1545288A CN A2003101123087 A CNA2003101123087 A CN A2003101123087A CN 200310112308 A CN200310112308 A CN 200310112308A CN 1545288 A CN1545288 A CN 1545288A
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Abstract
The invention is a base station inner and outer link mapping and processing method, used for wireless access net base station in an ATM transmission based mobile communication system and for ALL2 data linkage between base station controllers. It sets a parameter, as well as Binding ID, processing sub-course index number, transmission channel supporting identification, and other parameters, where their byte number can be different but their values all are equal to the set parameter's. Because it uses only a parameter in all the courses: NBAP high-layer signaling course, ALCAP link setup course, etc, it can omit many index processing courses of mapping relations, accordingly enhancing internal data processing speed and efficiency.
Description
Technical field
The present invention relates to mobile communication, be specifically related to set up between base stations in mobile communication system subsystem and base station controller that transfer of data is connected and a kind of processing method during the inside of base station service data transmission.
Background technology
In mobile communcations system was used, base station system equipment was the key of whole mobile communcations system equipment.Between base station equipment and external equipment and the efficient transfer data of inside of base station and be treated as the key factor that influences base station performance.Can take multiple transmission technology business transferring data between base station controller and the base station, as based on asynchronous transfer mode (ATM, Asynchronous Transmission Mode), based on IP (InternetProtocol) technology or the like, after need connecting, such transfer of data just can carry out, and transfer of data can be sent to corresponding veneer in different ways and handle behind inside of base station.At present, most transmission technologys that adopted based on ATM between base station and base station controller are to the internal transmission and the processing of base station system, then can be according to the design feature of inside of base station, the business datum feature adopts method more flexibly, to improve the inside of base station treatment effeciency.
Under the transmission technology situation that adopts between base station and the base station controller based on ATM, will be before the base station sends business datum at base station controller earlier by access control application protocol (ALCAP, Access Link ControlApplication Part) sets up ATMAAL2 at the two and connect, then transmit traffic data on this connects.At 3GPP (3
RdGeneration Partnership Project) stipulated the handling process of ALCAP link setup in the standard, simple as shown in Figure 1: at first send base station higher layer applications agreement (NBAP by the control port of base station controller by the base station, Node B Application Part) service request, this request back relevant service resources such as transmission channel of distribution are earlier received in the base station, and set up mapping relations between this service resources and specific identifier Binding ID (this sign Binding ID is exactly the parameter type in the interacting message between the base station of 3GPP agreement regulation and base station controller), then this sign Binding ID is returned to the NBAP higher layer protocol entities of base station controller by the NBAP agreement; NBAP protocol entity in the base station controller is passed to ALCAP controlled entity in the base station controller with this sign, ALCAP controlled entity corresponding ALCAP controlled entity in the base station sends the request of ALCAP link setup thus, and in this request, be with this sign (Binding ID) and the distinctive sign of ALCAP, and the several parameters collection (VCI/VPI/CID that is about to atm adaptation layer 2 (AAL2, the ATM AdaptionLayer2) connection of foundation; VPI, Virtual Path Identifier; VCI, Virtual Channel Identifier; CID, Channel Identifier); After the parameter set (VCI/VPI/CID) and Binding ID of the connection in this ALCAP request of connecting received in the base station, Binding ID is passed to the NBAP protocol entity of base station, and set up the AAL2 that be about to set up by this Binding ID as intermediary by the process made by oneself and set up contact between the internal resource that parameter and NBAP distributed when distributing this Binding ID, return the ALCAP success message that connects then and give the ALCAP controlled entity of base station controller; Base station controller set up then with the base station between ATM AAL2 bottom be connected; The base station connect to receive the business datum that is sent by base station controller by this, and connects and the corresponding relation of internal resource is sent to data on the corresponding service processing unit (SPU, Service Process Unit) and handles according to the AAL2 that has set up.
But the sign Binding ID of 3GPP regulation and stipulation is a kind of simple logical concept, just be responsible for the control information in NBAP high-level signaling and the ALCAP signaling is linked together, just discharge after finishing this process, Binding ID and inside of base station are handled not contact; How to finish ATM AAL2 for the base station and connect corresponding relation between parameter and inside of base station resource, concrete process is not described, the specific implementation of this process is decided in its sole discretion by each producer, cause uncertainty so just for the concrete enforcement of standard, in implementation procedure, may cause misunderstanding standard.To this situation, the present invention proposes a kind of Binding ID and inside of base station to be handled the processing method that the relevant link sign interrelates, and reaches the purpose that improves the inside of base station treatment effeciency.
Prior art has the retrieving of multiple mapping relations, and treatment effeciency is not high.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of mapping and processing method of new inside and outside, mobile communication base station chain line, connect at the resource of base station system data transfer inside, Binding ID, ALCAP link setup parameter, AAL2 and to set up a kind of effectively directly contact between parameter, in the hope of realizing business data transmission and processing more efficiently at inside of base station.
Technical scheme of the present invention is:
1.1 the business that base station controller sends upper-layer protocol NBAP to the base station is set up request;
1.2 the NBAP protocol entity in the base station is communicated by letter with the ALCAP controlled entity, with the related resource information notice ALCAP controlled entity that distributes, the ALCAP controlled entity distributes one, and process is corresponding and return to the NBAP protocol entity with a special identifier of himself ins and outs therewith; Described special identifier can be defined as Link ID; This special identifier can be the sequence number of the processing subprocess of ALCAP controlled entity, promptly handles instance number, and this instance number is handled subprocess relevant resource and data corresponding to this ALCAP.
1.3 the NBAP protocol entity in the base station is defined as this special identifier with this processing procedure corresponding transmission channel bearing identification and notifies the corresponding service processing unit;
1.4 the NBAP protocol entity in the base station is composed the ID to Binding with the value of this special identifier, and the business of receiving in 1.1 is set up in the response message of request message this Binding ID is returned to base station controller; Wherein, it can be difference on the byte length that utilizes between this special identifier and two kinds of parameters of Binding ID that the value of the special identifier that the NBAP protocol entity in the base station distributes the ALCAP controlled entity is composed concrete grammar to Binding ID, the parameter that byte length is short directly is filled in the low byte of the long parameter of byte length, unnecessary byte is filled with complete 0, so that two parameter numerically equals.
1.5 the ALCAP agreement controlled entity of the ALCAP agreement controlled entity in the base station controller in the base station sends ALCAP link setup request message, wherein has the base station and returns to the Binding ID of base station controller and be about to the parameters such as CID that this AAL2 of sign of foundation is connected in previous step is rapid;
1.6 ALCAP agreement controlled entity is the value of this Binding ID in the base station, promptly the value of the special identifier that ALCAP distributes in 1.2 and CID and related resource information notice are passed to the ATM processing unit;
1.7 the base station returns to base station controller success link setup message;
1.8 base station controller transmit traffic data in the AAL2 connection of building up is given the ATM processing unit in the base station;
1.9 the ATM processing unit in the base station is mapped to corresponding special identifier value according to the CID that receives, and according to related resource information such as processing units data are passed to the corresponding service processing unit and handle, service processing board carries out business data processing according to this special identifier value corresponding transmission channel carrying.
In the present invention, parameters such as the processing subprocess call number of correspondence, corresponding transmission channel bearing identification in the Binding ID between base station and base station controller in the ALCAP link setup, the inside of base station ALCAP entity, byte can be different, but numerical value equates.
Because of the present invention runs through correspondence that AAL2 between NBAP high-level signaling process, ALCAP link setup process, base station controller and base station is connected to the inside of base station transmission bearer, inside of base station transmission bearer to the corresponding process between concrete data processing unit with a parameter value (Link ID value), these processes are directly carried out fast by a Link ID, thereby improved inside of base station processing speed of data and treatment effeciency.
The present invention can save the retrieval process process of a lot of mapping relations: with Link ID, Binding ID, the unification of transmission channel bearing sign, base station ALCAP controlled entity be can save and the process of transmitting to the NBAP retrieval transmission bearer resource corresponding and information thereof, saving treatment step and time received after the request of ALCAP link setup with Binding ID.
Description of drawings
Set up the signaling process figure that ATM is connected by the ALCAP agreement between Fig. 1 base station controller and base station;
Fig. 2. relation between Binding ID of the present invention and Link ID and inside of base station resource and processing procedure figure.
Embodiment
Show among Fig. 1 be the base station controller stipulated in the 3GPP standard with the base station between set up the signaling process process of the simplification that ATM is connected by the ALCAP agreement, done detailed introduction in the background technology part.Wherein the Binding ID service of issuing base station controller in the base station is set up response request message and base station controller and is issued in the ALCAP link setup request message of base station and transmit, and can discharge this Binding ID after finishing this link setup process.How the alignment processing resource does not have concrete regulation before this Binding ID of base station assigns and base station received Binding ID in ALCAP link setup request message after.
Figure 2 shows that relation and processing procedure between equivalent process of Binding ID of the present invention and Link ID and inside of base station resource.
For ease of explanation, briefly introduce external AAL2 link setup in the base station earlier and the principle process when handling: need in the wireless base station and cellphone subscriber when setting up wireless connections with service data transmission, business datum all will be transmitted by the interface between base station and the base station controller, in inside of base station corresponding service data processing is to carry out on each transmission channel of distributing for this cellphone subscriber, each transmission channel all need transmit on corresponding bearing link, promptly has corresponding transmission channel bearing sign to remove to discern these transmission channel bearings at inside of base station.When this interface transmits based on ATM, must remove the process that ATM AAL2 connects through on this interface, setting up, this builds the process of tearing open is to be finished by the ALCAP control protocol that is arranged in base station and base station controller.After the AAL2 connection is built up, transmission is for cellphone subscriber's business datum in this AAL2 connection, after this business datum passes to inside of base station, be to handle by the ATM processing module in the base station, this module is transmitted the step processing of going forward side by side with the data map on this AAL2 according to mapping relations on corresponding transmission channel bearing data link.
Define a parameter type Link ID at inside of base station among the present invention, this Link ID be behind the professional link setup request message of the high-level signaling of the NBAP of base station protocol entity As-received station control and ALCAP controlled entity communication process in distribute and return to the NBAP entity by the ALCAP entity, promptly be that the link setup that the ALCAP entity distributes is handled instance number, and the value of this Link ID is defined as with the AAL2 that is about to set up is connected the transmission channel bearing identification that corresponding inside of base station is handled use, represent the chain line of a business datum like this at each LinkID of inside of base station, at WCDMA access system (WCDMA, Wideband Code Division Multiple Access) promptly be the bearing identification of representing a transmission channel in the system, set the Link ID of 2 bytes, can get 15 a powers value of 2 at most, promptly can represent 65535 transmission channel bearing signs, the regulation that the restriction of 255 number is arranged for the dedicated transmission channel of distributing to a user simultaneously in 3GPP standard 25.433, then 65535 transmission bearers can be supported the user about 250, in fact can not distribute to the so many transmission channels of a user simultaneously, often differ from 1～2 order of magnitude, so the transmission channel bearing capacity that the span of this Link ID is supported for the base station should be enough; Also make simultaneously the chain line of an ATMAAL2 between Link ID respective base station and the base station controller, i.e. a link by the VPI/VCI/CID sign.According to the ITU-T standard Q.2630.1, the Binding ID between base station and base station controller is arranged in parameter S UGR (Served User Generated Reference) territory, and SUGR is the regular length of one 4 byte.Because the difference of Binding ID and Link ID word length adopts the address extending method of preceding 2 byte zero fillings to make Binding ID and Link ID equivalence.The service of issuing base station controller in the base station is set up request response and base station controller and is issued in the ALCAP link setup request message of base station and transmit this Binding ID (4 bytes are different parameters with Link ID, but numerical value equates).In the inside of base station processing procedure, only use Link ID sign, this Link ID is defined as being connected with the AAL2 that is about to set up the sign of the transmission channel bearing of data processing simultaneously, when the business datum of CID sign is received in the base station in the AAL2 connection, directly set up the mapping relations between the transmission channel bearing of CID and Link ID representative, data are sent on the transmission bearer of Link ID sign and handle.So just avoided if adopt a Binding ID value at random, after receiving the link setup request that comprises Binding ID at the ALCAP of base station controlled entity, search for corresponding with it service resources such as transmission bearer with this Binding ID to the NBAP upper-layer protocol, obtain setting up mapping relations between the CID that also needs at sign AAL2 behind the service resources of NBAP feedback and this service resources, therefore use Link ID to represent service resources such as transmission bearer, make Link ID equal Binding ID simultaneously, with regard to do not need to carry out repeatedly the parametric relationship mapping and with the retrieval reciprocal process of NBAP upper-layer protocol, thereby improved treatment effeciency and speed.
The processing procedure of a specific embodiment is:
A. the business of the NBAP upper-layer protocol As-received station control in the base station is set up request message, and it is indirect to require to set up an ATM AAL2, and the business datum of transmitting certain user from base station controller is handled to the base station;
B. the NBAP protocol entity in the base station is handled the unit (SPU) number and the required transmission channel of these business datums by Resource Management Algorithm decision, communicate by letter with the ALCAP controlled entity then, with the processing unit that distributes number and required related resource information such as transmission channel notice ALCAP controlled entity, the ALCAP controlled entity is given allocation process instance number and assignment Link ID and is returned to the NBAP protocol entity then, the instance number of getting ALCAP is the call number of one 2 byte length, then directly give Link ID with this instance number assignment, as instance number=N, Link ID=N then;
C. the NBAP protocol entity in the base station is defined as corresponding transmission channel bearing identification with it with this Link ID value, and notifies the corresponding service processing unit that distributes, i.e. transmission channel bearing sign=Link ID=N with Link ID value in b.;
D. the NBAP protocol entity in the base station is composed the ID to Binding with the value of Link ID, make Link ID and Binding ID equivalence, because Binding ID is 4 byte lengths, specific practice is 2 bytes of Link ID directly to be inserted back 2 bytes of Binding ID, preceding 2 bytes with complete 0 filling Binding ID, after handling like this, though Binding ID is two different parameters with Link ID, but numerical value equates, be Binding ID=Link ID=N, the value that the NBAP entity is set up in the request response Binding ID in business returns to base station controller;
E. the ALCAP link setup request message sent out of the ALCAP agreement controlled entity in the ALCAP agreement controlled entity As-received station control in the base station wherein has the parameters such as CID that the base station returns to base station controller in the d. step Binding ID (promptly being worth N) is connected with the AAL2 that sign is about to set up;
F. the ALCAP agreement is controlled the real Binding ID (promptly being worth N) that receives in the message in the base station, its value promptly is the instance number (promptly being worth N) of having distributed in the b. step, directly correspond to the related resource and the data of this strength N correspondence, and information such as this value N, CID and corresponding relevant treatment unit and other resource are notified to the ATM processing unit;
G. the base station returns to base station controller success link setup message;
H. base station controller transmits the business datum of CID sign to the ATM processing unit in the base station in the AAL2 connection of building up;
I. the ATM processing unit in the base station is mapped to corresponding Link ID (promptly being worth N) according to the CID that receives, and data are passed to the corresponding service disposable plates according to related resource information such as processing units, service processing board carries out business data processing according to the transmission channel bearing of this Link ID (promptly being worth N) sign.
As seen according to the present invention, setting up the advantages of simplicity and high efficiency mapping relations between the processes such as the mapping of data link sign, data transmission and processing inside and outside business datum link setup, the base station inside and outside the base station by a Link ID value.The present invention is directed to the transmission means of data passes establishment of connection and inside of base station business datum between base station controller and the base station, is that example describes with WCDMA access system (WCDMA) base station, equally also is applicable to other base stations in mobile communication system.
Claims (4)
1, the mapping and the processing method of inside and outside, a kind of base station chain line are used for wireless access network and are connected based on setting up the AAL2 data between the base station of the mobile communication system of ATM transmission system and base station controller, comprising:
1.1 the business that base station controller sends upper-layer protocol NBAP to the base station is set up request;
1.2 the NBAP protocol entity in the base station is communicated by letter with the ALCAP controlled entity, with the related resource information notice ALCAP controlled entity that distributes, the ALCAP controlled entity distributes one, and process is corresponding and return to the NBAP protocol entity with a special identifier of himself ins and outs therewith;
1.3 the NBAP protocol entity in the base station is defined as this special identifier with this processing procedure corresponding transmission channel bearing identification and notifies the corresponding service processing unit;
1.4 the NBAP protocol entity in the base station is composed the ID to Binding with the value of this special identifier, and the business of receiving in 1.1 is set up in the response message of request message this Binding ID is returned to base station controller;
1.5 the ALCAP agreement controlled entity of the ALCAP agreement controlled entity in the base station controller in the base station sends ALCAP link setup request message, wherein has the base station and returns to the Binding ID of base station controller and be about to the parameters such as CID that this AAL2 of sign of foundation is connected in previous step is rapid;
1.6 ALCAP agreement controlled entity is the value of this Binding ID in the base station, promptly the value of the special identifier that ALCAP distributes in 1.2 and CID and related resource information notice are passed to the ATM processing unit;
1.7 the base station returns to base station controller success link setup message;
1.8 base station controller transmit traffic data in the AAL2 connection of building up is given the ATM processing unit in the base station;
1.9 the ATM processing unit in the base station is mapped to corresponding special identifier value according to the CID that receives, and according to related resource information such as processing units data are passed to the corresponding service processing unit and handle, service processing board carries out business data processing according to this special identifier value corresponding transmission channel carrying.
2, the mapping and the processing method of inside and outside, the described base station of claim 1 chain line, it is characterized in that, NBAP protocol entity in the base station in the described step 1.4 is composed the ID to Binding with the value of the special identifier that the ALCAP controlled entity distributes, make this special identifier and Binding ID equivalence, concrete grammar is the difference on the byte length that utilizes between this special identifier and two kinds of parameters of Binding ID, the parameter that byte length is short directly is filled in the low byte of the long parameter of byte length, unnecessary byte is filled with complete 0, so that two parameter numerically equals.
3, the mapping and the processing method of inside and outside, the described base station of claim 1 chain line, it is characterized in that, the ALCAP controlled entity of describing in the described step 1.2 distributes one, and process is corresponding and with a special identifier of himself ins and outs therewith, this special identifier is the sequence number of the processing subprocess of ALCAP controlled entity, promptly handle instance number, this instance number is to handling subprocess relevant resource and data by ALCAP.
4, the mapping and the processing method of inside and outside, the described base station of the arbitrary claim of claim 1 to 3 chain line, it is characterized in that, between base station and base station controller by parameters such as processing subprocess call number corresponding in the Binding ID in the ALCAP link setup, the inside of base station ALCAP entity, corresponding transmission channel bearing identifications, can be different on byte, but numerical value equates.
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| CN 200310112308 CN1545288B (en) | 2003-11-22 | 2003-11-22 | A method for external link identification mapping and processing within base station |
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| CN 200310112308 CN1545288B (en) | 2003-11-22 | 2003-11-22 | A method for external link identification mapping and processing within base station |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007036128A1 (en) * | 2005-09-29 | 2007-04-05 | Huawei Technologies Co., Ltd. | A bts-bsc interface and a method for detecting the interface |
| CN100401810C (en) * | 2005-11-12 | 2008-07-09 | 华为技术有限公司 | Mobile communication base station and system |
| CN100431363C (en) * | 2005-06-06 | 2008-11-05 | 中兴通讯股份有限公司 | Base station transceiver and controller Abis interface netting method and its link method and system |
| WO2008148347A1 (en) * | 2007-06-04 | 2008-12-11 | Huawei Technologies Co., Ltd. | Resource management method, bearing device and bearing control device |
| CN100461790C (en) * | 2005-11-03 | 2009-02-11 | 华为技术有限公司 | SFID distributing method in microwave switch-in global intercommunication network |
| CN1842213B (en) * | 2005-03-30 | 2010-07-21 | 日本电气株式会社 | Transport resource control system and method, and radio network controller used in the same |
| CN101202974B (en) * | 2006-12-15 | 2011-09-28 | 华为技术有限公司 | System, base station and method for multi-standard base station intercommunication |
| CN102333385A (en) * | 2010-07-12 | 2012-01-25 | 中兴通讯股份有限公司 | Method, system and equipment for establishing bearer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI964047A (en) * | 1996-10-09 | 1998-04-10 | Nokia Telecommunications Oy | Communication method and base station system |
| FI105438B (en) * | 1998-09-21 | 2000-08-15 | Nokia Networks Oy | Connecting to a Wireless Telecommunication Network |
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2003
- 2003-11-22 CN CN 200310112308 patent/CN1545288B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1842213B (en) * | 2005-03-30 | 2010-07-21 | 日本电气株式会社 | Transport resource control system and method, and radio network controller used in the same |
| CN100431363C (en) * | 2005-06-06 | 2008-11-05 | 中兴通讯股份有限公司 | Base station transceiver and controller Abis interface netting method and its link method and system |
| WO2007036128A1 (en) * | 2005-09-29 | 2007-04-05 | Huawei Technologies Co., Ltd. | A bts-bsc interface and a method for detecting the interface |
| CN100461790C (en) * | 2005-11-03 | 2009-02-11 | 华为技术有限公司 | SFID distributing method in microwave switch-in global intercommunication network |
| CN101156417B (en) * | 2005-11-03 | 2011-08-10 | 华为技术有限公司 | Method and system for allocating SFID in microwave access global intercommunication network |
| CN100401810C (en) * | 2005-11-12 | 2008-07-09 | 华为技术有限公司 | Mobile communication base station and system |
| CN101202974B (en) * | 2006-12-15 | 2011-09-28 | 华为技术有限公司 | System, base station and method for multi-standard base station intercommunication |
| WO2008148347A1 (en) * | 2007-06-04 | 2008-12-11 | Huawei Technologies Co., Ltd. | Resource management method, bearing device and bearing control device |
| CN102333385A (en) * | 2010-07-12 | 2012-01-25 | 中兴通讯股份有限公司 | Method, system and equipment for establishing bearer |
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|---|---|
| CN1545288B (en) | 2011-06-22 |
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