CN101242256A

CN101242256A - Carrier wave distributing method

Info

Publication number: CN101242256A
Application number: CNA2007100034741A
Authority: CN
Inventors: 徐子华; 黄溆安; 陈刚; 张万帅
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2007-02-05
Filing date: 2007-02-05
Publication date: 2008-08-13

Abstract

The invention provides a carrier wave distributing method, comprising the steps: a step S302, in a condition that a connection between an access network and an access terminal is required, a single carrier wave connection between the access network and the access terminal is established; and a step S 304, when more carrier wave resources between the access network and the access terminal are required to transmit data, the access network distributes more carrier waves to the access terminal. The invention reduces a unnecessary occupy of the carrier wave resources and the air-interface resources.

Description

Carrier allocation method

Technical field

The present invention relates to the communications field, relate in particular to a kind of carrier allocation method.

Background technology

CDMA multiple carrier 2000 (Code Division Multiple Access, code division multiple access) HRPD (High Rate Packed Data, HRPD (high rate packet data)) system comes from the CDMA2000 system evolved, provides high-speed packet data service with respect to its core concept of CDMA2000 system.Fig. 1 has provided the structured flowchart of CDMA2000 HRPD system, CDMA2000 HRPD network is mainly by (the Access Terminal that accesses terminal, abbreviation AT), access network (Access Network, abbreviation AN), Packet Control Function unit (PCF-Packet Control Function Unit), packet data serving node (Packet DataService Node, abbreviation PDSN), charging, Authentication Authorization server (AccessNetwork_Authentication, Accounting, Authorization Server is called for short AN_AAA) wait the equipment formation.PDSN links to each other with PCF by the A10/A11 interface; PCF connects by the BSC (Base Station Control, base station controller) of A8/A9 interface and AN, and AN then links to each other with access terminal AT by air interface.The A12 interface connects AN and AN AAA, is connected by the A13 interface between the different AN.

At HRPD0 and A version, the unique user terminal all only works in single carrier wave, and system only provides single carrier speed.HRPD B version is in the mode that adopts multicarrier on the basis of HRPD A version, more high-order modulating etc. makes and all improves a lot on the peak rate, power system capacity, the availability of frequency spectrum of whole system.

In HRPD multicarrier system, for the terminal use who supports multicarrier, being connected of AT and AN can be based upon on a plurality of carrier waves.According to HRPD B air interface protocol, under idle condition, AT only works in current working frequency, i.e. frequency under the control channel that AT monitored.

In call establishment, being connected of AT and AN can be based upon on a plurality of carrier waves, and data and signaling can send simultaneously at a plurality of carrier waves between AT and AN, thereby improves the current capacity of user.Adopt call to set up the connection of eating dishes without rice or wine of a plurality of carrier waves at present, cause interface-free resources and carrier resource to be wasted like this.

Fig. 2 has provided the flow chart of carrier allocation method in the prior art, may further comprise the steps:

Step S202, AT send to AN and connect the request of foundation;

Step S204, AN are that AT sets up the multicarrier Traffic Channel Assignment;

Step S206, AN confirms the multicarrier Traffic Channel; And

Step S208 finishes multicarrier and connects.

This shows, all set up a plurality of carrier waves for all connection requests and connect, and that no matter in fact whether to need this causes eating dishes without rice or wine and the waste of carrier resource.Therefore need a kind of method that can set up the carrier wave connection as required, to reduce taking of interface-free resources and carrier resource.

Summary of the invention

In order to address the above problem, the invention provides a kind of carrier allocation method, can effectively reduce taking of unnecessary carrier resource and interface-free resources.

Carrier allocation method provided by the invention may further comprise the steps: step S302, and under the situation that needs to connect between AN and the AT, AN sets up single carrier with AT and is connected; And step S304, between AN and AT, need more multi-carrier resource when transmitting data, AN distributes more multicarrier to give AT.

In said method, carrier wave comprises forward carriers and reverse carrier wave.

In said method, further comprising the steps of among the step S304: step S3042, when AT needed more carrier resource to be used for new business, AT sent carrier request message to AN; And step S3044, AN is the more oppositely carrier wave of AT distribution after receiving carrier request message.

In said method, comprise the carrier wave number of being applied in the carrier request message.

In said method, AT judges more multicarrier under following at least a situation: oppositely RLP (Radio Link Protocol, the radio link protocol) layer data that sends produces overstocked because of single carrier; The RLP layer data that forward direction sends produces overstocked because of single carrier.

In said method, further comprising the steps of among the step S304: step S3046, when AN judged more the multi-carrier resource down-transmitting data, AN was that AT distributes forward carriers.

In said method, the allocation of carriers mode is following at least a mode: progressively increase progressively and distribute and disposable distribution.

Preferably, this carrier allocation method is used for multicarrier system.

By method of the present invention, reduced taking to carrier resource and interface-free resources.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:

Fig. 1 is the structural representation of CDMA2000 HRPD system;

Fig. 2 is a multicarrier distribution method flow chart in the prior art;

Fig. 3 is according to multicarrier distribution method flow chart of the present invention;

Fig. 4 is a multicarrier distribution method flow chart according to an embodiment of the invention; And

Fig. 5 is a multicarrier distribution method flow chart in accordance with another embodiment of the present invention.

Embodiment

Describe the present invention below with reference to the accompanying drawings in detail.

Fig. 3 is according to multicarrier distribution method flow chart of the present invention.This carrier allocation method may further comprise the steps: step S302, and under the situation that needs to connect between AN and the AT, AN sets up single carrier with AT and is connected; And step S304, between AN and AT, need more multi-carrier resource when transmitting data, AN distributes more multicarrier to give AT.

Wherein, above-mentioned carrier wave comprises forward carriers and reverse carrier wave.

Wherein, further comprising the steps of among the step S304: step S3042, when AT needed more carrier resource to be used for new business, AT sent carrier request message to AN; And step S3044, AN is the more oppositely carrier wave of AT distribution after receiving carrier request message.

Wherein, comprise the carrier wave number of being applied in the carrier request message.

Wherein, AT judges more multicarrier under following at least a situation: oppositely the RLP layer data that sends produces overstocked because of single carrier; The RLP layer data that forward direction sends produces overstocked because of single carrier.

Wherein, further comprising the steps of among the step S304: step S3046, when AN judged more the multi-carrier resource down-transmitting data, AN was that AT distributes forward carriers.

Wherein, the allocation of carriers mode is following at least a mode: progressively increase progressively and distribute and disposable distribution.

Preferably, this carrier allocation method is used for multicarrier system.

With reference to Fig. 4, the multicarrier distribution method of one embodiment of the invention is described.This method may further comprise the steps:

Step S402, AT sends routing update message to AN;

Step S404, AN connects at current carrier wave according to the routing update message that AT sends;

Step S406, when the RLP of reverse transmission layer data overstock because of the single carrier generation, AT initiates new professional preceding judgement needed more carrier resource upload data, and then AT sends carrier request message to AN;

Step S408, AN give AT with more oppositely allocation of carriers after receiving carrier request message; And

Step S410, because single carrier produces when overstocking in a large number, AN judges needs more carrier resource down-transmitting data when forward direction RLP layered data processing, then AN initiatively distributes more forward carriers to give AT.

With reference to Fig. 5, the multicarrier distribution method of one embodiment of the invention is described.This method may further comprise the steps:

Step S502, AT send to connect to AN and set up message, and a connection is set up in application;

Step S504 to S508, AN sets up a connection according to the message that AT sends at current carrier wave;

Step S510, under the connection status, AT begins new business, uploads data if AT finds this service needed more resources, and AT reports carrier request message and the subsidiary carrier wave number that goes up application so;

Step S512, AN redistributes corresponding oppositely carrier resource according to carrier request message and gives AT; And

Step S514, AN find that the forward data amount exceeds current carrier capacity, increase new forward carriers resource, and carrier wave increases principle and can adopt method that progressively increases progressively or the method that settles at one go to give AT.

In sum as can be known, the present invention is by providing the multicarrier distribution method, makes it possible to reduce unnecessary the taking to carrier resource and interface-free resources effectively according to the distributing carrier wave resource dynamically of the actual needs in the service operation, reduced waste.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a carrier allocation method is characterized in that, said method comprising the steps of:

Step S302, at access network with under the situation that needs to connect between accessing terminal, described access network is set up single carrier and is connected with described accessing terminal; And

Step S304 needs more multi-carrier resource when transmitting data between described access network and described accessing terminal, and described access network distributes more multicarrier to give described accessing terminal.

2. carrier allocation method according to claim 1 is characterized in that, described carrier wave comprises forward carriers and reverse carrier wave.

3. carrier allocation method according to claim 2 is characterized in that, described step S304 may further comprise the steps:

Step S3042, when the described more carrier resource of needs that accesses terminal was used for new business, described accessing terminal sent carrier request message to described access network; And

Step S3044, described access network are the more oppositely carrier wave of the described distribution that accesses terminal after receiving carrier request message.

4. carrier allocation method according to claim 3 is characterized in that, comprises the carrier wave number of being applied in the described carrier request message.

5. carrier allocation method according to claim 3 is characterized in that, described accessing terminal judged more multicarrier under following at least a situation:

Oppositely the wireless link protocol layer data that send produce overstocked because of single carrier;

The wireless link protocol layer data that forward direction sends produce overstocked because of single carrier.

6. according to each described carrier allocation method in the claim 2 to 5, it is characterized in that described step S304 may further comprise the steps:

Step S3046, when described access network was judged more the multi-carrier resource down-transmitting data, described access network was the described distribution forward carriers that accesses terminal.

7. carrier allocation method according to claim 6 is characterized in that, described allocation of carriers mode is following at least a mode: progressively increase progressively and distribute and disposable distribution.

8. carrier allocation method according to claim 7 is characterized in that described carrier allocation method is used for multicarrier system.