CN101945452B - auxiliary carrier allocation method - Google Patents

Abstract

The invention discloses the auxiliary carrier allocation method of system of terminal in multi-carrier.Wherein, the invention discloses a kind of in terminal method for the auxiliary carrier wave of terminal distribution during serving BS switches to target BS, the method includes: in terminal during serving BS switches to target BS, serving BS sends message to terminal, wherein, this message carries the information of the auxiliary carrier wave that one or more target BS is terminal distribution.According to the present invention it is possible to improve the utilization rate of resource, simplified system operates, and reallocates auxiliary carrier wave and the problems such as the data-transmission interruptions that brings during simultaneously can avoiding subsequent data transmission.

Description

Auxiliary carrier allocation method

Technical field

The present invention relates to mobile communication technology field, particularly relate to a kind of auxiliary carrier allocation method.

Background technology

802.16m system be on the basis of 802.16e system evolution and come, based on just Friendship frequency division multiple access access (Orthogonal Frequency Division Multiplex Access, Referred to as OFDMA) multicarrier system of technology.802.16m the protocol infrastructure of system is such as Shown in Fig. 1, (Media Access Control is called for short single medium access control entity For MAC) control to include the physical layer (Physical, referred to as PHY) of multiple channel, Such as, in FIG, PHY includes channel 1, channel 2...... channel N.Above-mentioned often Individual channel can have different bandwidth, such as, a width of 5MHz of band of channel 1, channel 2 The a width of 20MHz of band of a width of 10MHz of band, channel N, and, above-mentioned channel is permissible Belong to continuous or discontinuous frequency band.

For IEEE 802.16m agreement, occur in that base station and the terminal supporting different agreement, It is called advanced base station (Advanced BS, referred to as ABS), advanced terminals (Advanced MS, referred to as AMS).Wherein, ABS refers to support new 16m Agreement, again can the base station of compatible original 16e agreement；Advanced terminals (AMS) both refers to New 16m agreement can be supported, the terminal of original 16e agreement can be supported again.

802.16m system can have one or more full configuration carrier wave (Fully configured Carrier), including all synchronizations, broadcast, multicast and unicast control information, relate to multicarrier Information and parameter with other carrier operation；Can have simultaneously one or more be only used for descending Part configuration carrier wave (Partially configured carrier) of transmission, comprises the descending biography of support Defeated all control channels.Above-mentioned full configuration carrier wave can be as the main carrier of AMS (Primary Carrier) or auxiliary carrier wave (Secondary Carrier), above-mentioned part configures Carrier wave only can be as the auxiliary carrier wave of AMS.Each AMS only one of which main carrier, is used for Carrying interactive service, whole physical layer and the control information of media access control layer, mainly For controlling the operation of AMS, such as network insertion.Each AMS can have one or many Individual auxiliary carrier wave, it is also possible to not having auxiliary carrier wave, auxiliary carrier wave is specifically to be ordered by ABS and advise Then for the carrier wave for transmitting business of AMS distribution.It is likely to send on auxiliary carrier wave Support the control signaling of multi-carrier operation.

In 802.16e system, owing to channel fading causes service quality (Quality of Service, referred to as QoS) when declining, MS will terminate and the connection of Current Serving BTS, It is switched to other adjacent base stations, to obtain more preferable QoS.Meanwhile, 802.16 systems are also Providing free time (Idle) pattern, the purpose of Idle pattern is to reduce the energy expenditure of MS And reduce the use to serving BS air resource.When MS switches over or from sky When not busy pattern operation is converted to normal manipulation mode, it is required on target BS perform network Reenter.

In the single-carrier system of 802.16e, common switching flow is: terminal sends switching Request message, serving BS sends switching command message and responds, or serving BS master Dynamic transmission switching command message, after terminal receives the switching command message of base station, sends switching Instruction message.At predetermined instant, terminal starts to perform network on target BS and reenters. The flow process that network reenters is: carries out descending targeting sequencing on target BS and synchronizes and upper and lower Row synchronizing information is also found range, and target BS sends ranging response message to terminal, terminal Instruction according to target BS carries out optional capability negotiation and registration process, thus completes Network on target BS reenters.

In 802.16m multicarrier system, support that the terminal of multi-carrier operation carries out above-mentioned mistake Cheng Shi, needs to carry out a series of relevant multicarrier attribute with serving BS, target BS Consult and mutual.In order to make terminal can use auxiliary carrier wave after target BS accesses, need Handoff procedure is the auxiliary carrier wave of terminal distribution, but current not yet depositing is in the correlation process The method of the auxiliary carrier wave of terminal distribution.

Summary of the invention

In view of this, the invention provides a kind of auxiliary carrier allocation method, existing in order to solve It technology cannot be in multi-carrier systems in terminal switching process the auxiliary carrier wave of terminal distribution Problem.

According to an aspect of the invention, it is provided a kind of auxiliary carrier allocation method, the method For terminal from serving BS to target BS switch during be the auxiliary load of terminal distribution Ripple.

Auxiliary carrier allocation method according to the present invention includes: in terminal from serving BS to target During the switching of base station, serving BS sends message to terminal, wherein, takes in this message Information with the auxiliary carrier wave that one or more target BS are terminal distribution.

Preferably, above-mentioned message includes: switching command message or multicarrier response message.

According to another aspect of the present invention, it is provided that another kind of auxiliary carrier allocation method, should Method is the auxiliary load of terminal distribution for terminal when target BS execution network reenters process Ripple.

Auxiliary carrier allocation method according to the present invention includes: target BS sends message to terminal, Wherein, this message carries the information of the auxiliary carrier wave that mark base station is terminal distribution.

Preferably, above-mentioned message includes but not limited to one below: ranging response message, note Volume response message, multicarrier response message.

According to a further aspect of the invention, it is provided that another auxiliary carrier allocation method, should Method completes to be the auxiliary carrier wave of terminal distribution after network reenters at target BS for terminal.

Auxiliary carrier allocation method according to the present invention includes: target BS sends message to terminal, Wherein, this message carries the information of the auxiliary carrier wave that target BS is terminal distribution.

Preferably, above-mentioned message includes: multicarrier response message.

By at least one scheme above-mentioned of the present invention, can in terminal from serving BS to mesh Mark base station switching during, by serving BS be terminal send target BS be that terminal is divided The auxiliary carrier wave joined, it is also possible to terminal during the network of target BS reenters or Terminal completes after network reenters process at target BS, target BS be that terminal distribution is auxiliary Carrier wave, solving in prior art cannot be terminal when terminal switches in multi-carrier systems The problem distributing auxiliary carrier wave so that terminal is after accessing target BS, it is possible to use auxiliary carrier wave Transmission business, improve the utilization rate of resource, it is to avoid divides during subsequent data transmission again The problems such as the data-transmission interruptions joining auxiliary carrier wave and bring.

Other features and advantages of the present invention will illustrate in the following description, and, portion Divide ground to become apparent from description, or understand by implementing the present invention.This Bright purpose and other advantages can be by the description write, claims and attached Structure specifically noted in figure realizes and obtains.

Accompanying drawing explanation

Accompanying drawing is used for providing a further understanding of the present invention, and constitutes one of description Point, it is used for together with embodiments of the present invention explaining the present invention, is not intended that the present invention's Limit.In the accompanying drawings:

Fig. 1 is the configuration diagram of multicarrier system in correlation technique；

Fig. 2 is that the terminal according to the embodiment of the present invention is switched to target BS from serving BS Flow chart；

Fig. 3 is the flow chart according to embodiment of the present invention method one；

Fig. 4 is the flow chart according to embodiment of the present invention method two；

Fig. 5 is the flow chart according to embodiment of the present invention method three；

Fig. 6 is the flow chart of embodiment one；

Fig. 7 is the flow chart of embodiment two；

Fig. 8 is the flow chart of embodiment three；

Fig. 9 is the flow chart of embodiment four；

Figure 10 is the flow chart of embodiment five；

Figure 11 is the flow chart of embodiment six.

Detailed description of the invention

Functional overview

In multi-carrier systems, in order to make terminal can adopt in time after accessing target BS By auxiliary carrier-wave transmission business and control signaling, need serving BS or target BS in switching During be the auxiliary carrier wave of this terminal distribution.In embodiments of the present invention, can be at serving BS When terminal sends switching command message, send or many of serving BS recommendation to terminal Individual candidate target base station is the auxiliary of terminal distribution according to the information of the terminal obtained from serving BS The information of carrier wave；Or, or complete during the network of target BS reenters in terminal After, by target BS to the auxiliary carrier wave of terminal distribution.

In case of no particular description, in the embodiment of the present invention, the terminal of indication is support The terminal of multi-carrier operation, base station is the base station supporting multi-carrier operation, it is preferable that at this In inventive embodiments, terminal is advanced terminals (AMS), and base station is advanced base station (ABS).

In the case of not conflicting, the embodiment in the application and the feature in embodiment are permissible It is mutually combined.

Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that this Preferred embodiment described by place is merely to illustrate and explains the present invention, is not used to limit this Invention.If do not conflicted, in the embodiment of the present invention and embodiment, feature can be mutually combined.

Before the explanation embodiment of the present invention, first to the present embodiments relate to overloading wave system The flow process that the terminal of system is switched to target BS from serving BS is described.

Fig. 2 is that the terminal according to the embodiment of the present invention switches to target BS from serving BS Flow chart, as in figure 2 it is shown, terminal according to embodiments of the present invention from serving BS to target Base station switching mainly comprises the steps that

Step 201, before supporting that the terminal of multi-carrier operation performs switching, terminal is from service The neighboring broadcast messages that base station sends obtains the multicarrier configuration of one or more neighbor base station Information；

Step 202, by serving BS by backbone network to one or more candidate target base station There is provided or by one or more candidate target base station by backbone network to serving BS or its The information of his this terminal of network entity requests, end message is passed through backbone network by serving BS Network is sent to one or more candidate target base station, and wherein, end message includes serving BS With terminal carry out multi-carrier capability mutual time the multi-carrier capability information of this terminal that obtains；

Step 203, terminal sends a request message to serving BS at its main carrier, ask into Row switching；

In specific implementation process, this step is optional, terminal actively initiating switching In the case of, need to perform this step, serving BS in the case of actively initiating switching, no Need to perform this step.

Specifically, terminal can be according to the one or more neighbours obtained from neighboring broadcast messages The multi-carrier configuration information of base station, district selects its neighbor base stations wanted to switch to one or more As candidate target base station, and under the one or more candidate target base station selected, select one Individual or multiple its carrier wave wanted to switch to is as candidate target carrier wave；Oneself is selected by terminal The information of one or more candidate target base station and each candidate target base station under candidate The information of target carrier is carried and is sent to serving BS in above-mentioned request message.Specifically, The information of each candidate target carrier wave carried in this request message may include that each is waited The physics frequency point information of target carrier and/or the physical carrier of each candidate target carrier wave is selected to compile Number, i.e. can use physics frequency point information and/or each candidate target of physical carrier number-mark Carrier wave.

Step 204, serving BS sends corresponding switching command message at the main carrier of terminal；

Specifically, serving BS is after receiving above-mentioned request message or on one's own initiative to end End sends switching command message, at least carries following information: (1) takes in this switching command message Business select from said one or multiple neighbor base station one that recommends terminal or many of base station One or more candidates under the information of individual candidate target base station and each candidate target base station The information of target carrier, wherein, the information of each candidate target carrier wave may include that each The physics frequency point information of candidate target carrier wave and/or the physical carrier of each candidate target carrier wave Numbering, i.e. can use physics frequency point information and/or physical carrier numbering to identify each candidate Carrier wave,；(2) reentering pattern identification, this mark is whole during being used for indicating network to reenter Whether end keeps being connected with serving BS；(3) during the action on each candidate target carrier wave Between, this persond eixis terminal is initiated the concrete moment that network reenters in this target carrier； (4) each candidate target carrier wave available grade of service instruction.

Step 205, terminal sends switch indicating information to serving BS on main carrier, sends out Play switching；

In specific implementation process, terminal can disappear from above-mentioned request message and/or switching command Under the one or more candidate target base station carried in breath and each candidate target base station one Or multiple candidate target carrier wave selects a base station as the target BS of switching, meanwhile, Select a carrier wave in one or more candidate target carrier waves of this target BS as switching Target carrier, then send above-mentioned switch indicating information.

Specifically, the above-mentioned switch indicating information that terminal sends at least includes: proceed by Action code word, the target BS that will be switched to and the information of target carrier, the terminal of switching For performing the carrier information corresponding to the radio-frequency channel switched, specifically, this carrier information Can be physics frequency point information and/or physical carrier numbering；

Step 206, terminal finds range in target carrier, and target BS sends range finding and rings Answer message to terminal；

Specifically, this ranging response message at least includes: re-access middle basic capability negotiating Interacting message the most omissible instruction information, registration message are the most omissible Instruction information, multi-carrier capability the most omissible instruction message, target BS are Whether the instruction information of basic capability negotiating response message of no transmission active, target BS are sent out Send the instruction information of registration reply message actively；

It addition, this ranging response message can also include: basic capability negotiating message coding, Registration message encodes；

Step 207, terminal receives the above-mentioned ranging response message that target BS sends, according to The instruction carried in this ranging response message, carries out optional capability negotiation and registration process, The network completed on target BS reenters process.

Be switched to the flow process of target BS from serving BS based on above-mentioned terminal, the present invention implements Example provides three kinds of auxiliary carrier allocation methods, for being switched to target in terminal from serving BS It it is the auxiliary carrier wave of terminal distribution during base station.Individually below these three method is described.

Method one: carried out auxiliary carrier wave distribution by serving BS

In the method, serving BS passes through backbone network with said one or multiple target BS Alternately, the auxiliary carrier wave distributed thereon is obtained for terminal.Serving BS is sending to terminal Message is carried the information of the auxiliary carrier wave that target BS is terminal distribution.In specific implementation process In, serving BS can actively send this message (i.e. being initiated switching by serving BS), it is possible to With receive terminal send request message after send this message (i.e. by terminal initiate cut Change).

Fig. 3 is the flow chart according to embodiment of the present invention method one, as it is shown on figure 3, at this In method, serving BS it is that the auxiliary carrier wave of terminal distribution mainly comprises the steps that

Step 301: one or more candidate target base station of terminal are according to above-mentioned steps 202 Described in the information of this terminal that obtains of method be the one or more auxiliary load of this terminal distribution Ripple, and the information of these one or more auxiliary carrier waves is sent to serving BS；

Step 303: serving BS sends message to terminal, carries service base in this message Stand recommend the one or more auxiliary carrier wave that one or more candidate target base station are terminal distribution Information, in specific implementation process, the information of the auxiliary carrier wave carried in this message include but It is not limited to one below or its combination in any: the physics frequency point information of auxiliary carrier wave, auxiliary carrier wave Physical carrier numbering, candidate target base station are the logical carrier numbering of auxiliary carrier wave distribution, To use physics frequency point information or physical carrier numbering that each auxiliary carrier wave is identified, with Time be each auxiliary carrier wave distribution logical carrier numbering.

Terminal selects a base station as switching from these one or more candidate target base station Target BS, selects in one or more candidate target carrier waves of this target BS meanwhile One carrier wave is as the target carrier switched.Before network reenters, terminal is from service Base station obtains the information of the auxiliary carrier wave that this target BS is this terminal distribution, during switching, terminal Network can be completed in target carrier on target BS to reenter, and activate allocated Auxiliary carrier wave.

In specific implementation process, serving BS can arrange an activation in above-mentioned message Time parameter, if this parameter value is zero, represents and activates immediately after network insertion completes The auxiliary carrier wave of distribution, parameter is not zero, then activate auxiliary carrier wave when this activationary time arrives； If serving BS is not provided with activationary time parameter, terminal is it is believed that complete in network insertion After activate the auxiliary carrier wave of distribution immediately.

In specific implementation process, carry the message of the information of the auxiliary carrier wave distributed by terminal Including: the switching command message in the step 204 of above-mentioned flow process or multicarrier response message, Or other multicarrier message relevant to multicarrier.

If in above-mentioned steps 201, the neighboring broadcast messages that serving BS sends only is wrapped Include the configuration information of the full configuration carrier wave of one or more neighbor base station or terminal not from adjacent area Broadcast obtains the multi-carrier configuration information of neighbor base station, then activates on target BS Before auxiliary carrier wave, the method also includes: terminal is carried out when network reenters or complete at target BS After becoming network to reenter, target BS obtains the multi-carrier configuration information of broadcast, or Use the request message of clean culture to the complete multi-carrier configuration information of target base station requests, the most eventually Holding and send request message to target BS clean culture, request target base station sends this target to terminal The complete multi-carrier configuration information of base station, target BS when receiving this request message, The configuration information of all multicarriers of this target BS is returned to this terminal.

Method two: carried out auxiliary carrier wave distribution during network reenters by target BS

In the method, by target BS during network reenters for the auxiliary load of terminal distribution Ripple.In embodiments of the present invention, network reenter process can be terminal from serving BS to Network in target BS handoff procedure reenters process (i.e. above-mentioned steps 205-step 207 Process), it is also possible to the network being switched to normal mode of operation from idle pulley for terminal heavily enters Entering process, in the present embodiment, target BS is terminal and finally determines the target base of entrance Stand.

Fig. 4 is the flow chart according to embodiment of the present invention method two, as shown in Figure 4, target Base station mainly comprises the steps that for the auxiliary carrier wave of terminal distribution during network reenters

Step 401: terminal is when serving BS sends switch indicating information, in switching instruction Message is carried instruction target BS during network reenters for the auxiliary carrier wave of terminal distribution Instruction information；

Step 403: terminal during the network of target BS reenters, target BS to This terminal sends message, and wherein, carrying target BS in this message is this terminal distribution The information of auxiliary carrier wave, specifically, the information of the auxiliary carrier wave carried in this message includes with purgation One or its combination in any: the physics frequency point information of auxiliary carrier wave, the physical carrier numbering of auxiliary carrier wave, Candidate target base station is the logical carrier numbering of auxiliary carrier wave distribution, i.e. can use physics frequency Each auxiliary carrier wave is identified by information or physical carrier numbering, is each auxiliary carrier wave simultaneously Distribution logical carrier numbering.

In specific implementation process, terminal performs before network reenters process at target BS, Serving BS is interacted by backbone network with target BS, and serving BS is by the letter of terminal Breath (including the multi-carrier capability information of terminal) is sent to target BS, concrete such as above-mentioned step Described in rapid 202.Target BS is after the information obtaining terminal, according to the information of this terminal, For the auxiliary carrier wave of terminal distribution, and in above-mentioned message, carry the auxiliary carrier wave into this terminal distribution Information.

In specific implementation process, switch to target BS from serving BS if in terminal During perform the method that the embodiment of the present invention provides, then in above-mentioned steps 205, eventually Hold when serving BS sends switch indicating information, finger can be carried in switch indicating information Show target BS instruction information for the auxiliary carrier wave of terminal distribution during network reenters, clothes This instruction information, after receiving this instruction information, is sent to target BS, root by business base station According to this instruction information, target BS is the auxiliary carrier wave of terminal distribution during network reenters, Concurrently serve and state message；Or, target BS can also during network reenters actively It is optional for the auxiliary carrier wave of terminal distribution, i.e. above-mentioned steps 401.Further, if in terminal It is switched to during the network of normal mode of operation reenters implement the present invention from idle pulley real Execute the method two that example provides, then also without performing step 401.

In specific implementation process, above-mentioned message includes but not limited to: ranging response message, Or, registration reply message actively, multicarrier response message or other and multicarrier phase The multicarrier message closed.

Specifically, if target BS carries the auxiliary carrier wave distributed in ranging response message Information, then the information of auxiliary carrier wave can be carried one of in the following manner by target BS In ranging response message:

(1) using the information of auxiliary carrier wave as the parameter item of ranging response message；

(2) using the information of auxiliary carrier wave as the basic capability negotiating message in ranging response message The parameter item of coding；

(3) parameter that the registration message in the information ranging response message of auxiliary carrier wave is encoded ?.

In specific implementation process, during network reenters, target BS is terminal distribution While auxiliary carrier wave, (i.e. target BS is when terminal sends above-mentioned message) can arrange one Activationary time parameter, if this parameter value is zero, represents vertical after network has reentered I.e. activating auxiliary carrier wave, parameter is not zero, then activate auxiliary carrier wave when this activationary time arrives； If target BS is not provided with activationary time parameter, terminal is it is believed that reentered at network The auxiliary carrier wave of distribution is activated immediately after one-tenth.

Specifically, terminal only obtains one or many from the neighboring broadcast messages of serving BS The full configuration information configuring carrier wave of individual neighbor base station, or terminal is not from neighboring broadcast messages The multi-carrier configuration information of middle acquisition neighbor base station, then before activating auxiliary carrier wave on target BS, The method also includes: terminal carries out when network reenters at target BS or reentering On target BS, the multi-carrier configuration information of this target BS broadcast is obtained after one-tenth, or should Terminal use the request message of clean culture to the complete multi-carrier configuration information of target base station requests, Concrete similar to said method one.

Method three: carried out auxiliary carrier wave distribution after network reenters process by target BS

In the method, target BS reenters process in terminal at the network of this target BS Afterwards (i.e. after above-mentioned steps 207), for the auxiliary carrier wave of terminal distribution, now, target BS is Through becoming the serving BS that terminal is new.

Fig. 5 is the flow chart of the auxiliary carrier allocation method according to embodiment of the present invention method three, As it is shown in figure 5, in the method, target BS in terminal at the network weight of this target BS Mainly comprise the steps that for the auxiliary carrier wave of terminal distribution after entrance process

Step 501: terminal reenters after process completes at network, and sending to target BS please Seeking message, auxiliary carrier wave is distributed in request target base station；

Step 503: target BS sends response message to terminal, carries in this response message The information of the one or more auxiliary carrier wave of this terminal distribution promising, specifically, this response message In the information of auxiliary carrier wave carried include one below or its combination in any: the physics of auxiliary carrier wave Frequency point information, the physical carrier numbering of auxiliary carrier wave, candidate target base station are the distribution of auxiliary carrier wave Logical carrier is numbered, and physics frequency point information or physical carrier i.e. can be used to number each Auxiliary carrier wave is identified, and is each auxiliary carrier wave distribution logical carrier numbering simultaneously.

In specific implementation process, target BS can be to disappear in the request receiving terminal transmission During breath, in response to this request message, send above-mentioned response message to terminal, for terminal distribution One or more auxiliary carrier waves.Or, Current Serving BTS (i.e. target BS) actively sends Above-mentioned response message is the auxiliary carrier wave of terminal distribution, i.e. above-mentioned steps 501 is optional.

In specific implementation process, above-mentioned request message can be multi-carrier requests message Or other multicarrier message relevant to multicarrier, above-mentioned response (AAI-MC-REQ) Message can be multicarrier response message (AAI-MC-RSP) or other and multicarrier phase The multicarrier message closed.

In specific implementation process, terminal performs before network reenters process at target BS, Serving BS is interacted by backbone network with target BS, and serving BS is by the letter of terminal Breath (including the multi-carrier capability information of terminal) is sent to target BS, concrete such as above-mentioned step Described in rapid 204.Target BS is after the information obtaining terminal, according to the information of this terminal, For the auxiliary carrier wave of terminal distribution, and in above-mentioned message, carry the auxiliary carrier wave into this terminal distribution Information.

In specific implementation process, target BS is can to arrange while the auxiliary carrier wave of terminal distribution One activationary time parameter, if this parameter value is zero, represents vertical when auxiliary carrier wave distributes I.e. activating auxiliary carrier wave, parameter is not zero, then activate auxiliary carrier wave when this activationary time arrives； If target BS is not provided with activationary time parameter, terminal is it is believed that when auxiliary carrier wave distributes Activate the auxiliary carrier wave of distribution immediately.

Specifically, similar to said method one and method two, if in above-mentioned steps 201, What terminal only obtained one or more neighbor base station from neighboring broadcast messages configures carrier wave entirely Configuration information, or terminal do not obtains the multicarrier of neighbor base station from neighboring broadcast messages Configuration information, then before activating auxiliary carrier wave on target BS, the method also includes: terminal exists The multi-carrier configuration information of target BS broadcast is obtained on target BS, or, terminal sends The multi-carrier configuration information of the AAI-MC-REQ message request target BS of clean culture, target base After station receives this AAI-MC-REQ message, return AAI-MC-RSP message to terminal, And carry complete multi-carrier configuration information in this MC-RSP message.

For being further appreciated by the technique scheme that the embodiment of the present invention provides, below by tool The technical scheme that the embodiment of the present invention is provided by body embodiment illustrates.

Embodiment one

Using said method one in the present embodiment is the auxiliary carrier wave of terminal distribution, and Fig. 6 is this reality Executing the flow chart of example, as shown in Figure 6, in the present embodiment, serving BS is terminal distribution Auxiliary carrier wave mainly comprises the steps that

Step 601, terminal sends handover request message to serving BS；

Step 603, serving BS receives above-mentioned handover request message, sends switching to terminal Command messages, wherein, carries in this switching command message: serving BS is that terminal selects One or more candidate target base station according to obtaining from serving BS or other network entities The information of terminal is the information of the one or more auxiliary carrier wave of this terminal distribution；Auxiliary carrier activation Time parameter, if this parameter value is zero, represents that network activates after having re-accessed immediately Auxiliary carrier wave.Specifically, can arrange intervalometer, the duration of intervalometer is this time parameter, After sending switching command message, start this intervalometer, when this intervalometer arrives, activate Auxiliary carrier wave for this terminal distribution；

Step 605, terminal sends indication message to serving BS, wherein, this switching Instruction information carries the target BS that will be switched to and target carrier, terminal will make Carrier information corresponding to radio-frequency channel information or radio-frequency channel；

Step 607, terminal performs network in target carrier and reenters process, first carries out Range finding, has obtained the information of terminal, therefore, target due to target BS from backbone network Base station can be compiled according to the information structuring basic capability negotiating message coding of terminal, registration message Code is also carried and is sent to terminal in ranging response message；

Step 609, terminal be successfully received target BS send with capability negotiation and note The ranging response message of volume message coding, then network has reentered, permissible on this carrier wave Setting up data cube computation, this carrier wave becomes the main carrier that terminal is new, meanwhile, according to activationary time Parameter activation is set before the auxiliary carrier wave that distributed by serving BS.

Embodiment two

In the present embodiment, using said method two is the auxiliary carrier wave of terminal distribution, and, mesh The instruction that mark base station sends according to terminal, carries as terminal distribution in ranging response message Auxiliary carrier wave.

Fig. 7 is the flow chart of the present embodiment, as it is shown in fig. 7, in the present embodiment, and target Base station is that the auxiliary carrier wave of terminal distribution mainly comprises the steps that

Step 701, terminal sends handover request message to serving BS；

Step 703, serving BS receives above-mentioned handover request message, sends switching to terminal Command messages；

Step 705, terminal sends switch indicating information to serving BS, wherein, this switching Instruction message carries the target BS that will be switched to and target carrier, terminal will make Carrier information corresponding to radio-frequency channel information or radio-frequency channel, and, this switching Instruction message also carries instruction and wishes that target BS is this end during network reenters End distributes the instruction information of auxiliary carrier wave；

Step 707, terminal performs network in target carrier and reenters process, first carries out Range finding, has obtained the information of terminal, therefore, target due to target BS from backbone network Base station can be according to the information structuring basic capability negotiating message coding of this terminal, registration message Encode and carried in ranging response message, be sent to terminal, and, owing to terminal exists In above-mentioned switch indicating information, to wish that target BS distributes during network reenters auxiliary in instruction Carrier wave, therefore, target BS also carries in this ranging response message and distributes to this terminal The information of auxiliary carrier wave.In the present embodiment, target BS arranges auxiliary carrier activation time parameter, This parameter value is zero, represents and activates auxiliary carrier wave after network has reentered immediately；

Step 709, terminal be successfully received target BS send with capability negotiation and note The ranging response message of volume message coding then represents that network has reentered, can on this carrier wave To set up data cube computation, this carrier wave becomes the main carrier that terminal is new, meanwhile, according to when activating Between arranging of parameter activate the auxiliary carrier wave that distributed by target BS.

Embodiment three

In the present embodiment, using said method two is the auxiliary carrier wave of terminal distribution, and, mesh The instruction that mark base station sends according to terminal, carries as terminal distribution in registration reply message Auxiliary carrier wave.

Fig. 8 is the flow chart of the present embodiment, as shown in Figure 8, in the present embodiment, and target Base station is that the auxiliary carrier wave of terminal distribution mainly comprises the steps that

Step 801, terminal sends handover request message to serving BS；

Step 803, serving BS sends switching command message to terminal；

Step 805, terminal sends switch indicating information to serving BS, wherein, this switching Instruction message carries the target BS that will be switched to and target carrier, terminal will make Carrier information corresponding to radio-frequency channel information or radio-frequency channel, and, this switching Instruction message also carries instruction and wishes that target BS is its point during network reenters Join the instruction information of auxiliary carrier wave；

Step 807, terminal performs network in target carrier and reenters process, first carries out Range finding, has obtained the information of terminal due to target BS from backbone network, and target BS can To construct basic capability negotiating response message actively accordingly, the registration reply message of active is sent out Give terminal, and, wish target base owing to terminal indicates in above-mentioned switch indicating information Standing in and distribute auxiliary carrier wave during network reenters, therefore, target BS disappears in registration response Breath carries the information of the auxiliary carrier wave distributing to terminal.In the present embodiment, target BS is arranged The activationary time parameter that is not zero, represents and specifies the moment to activate auxiliary carrier wave, specifically in parameter Similar to embodiment two；

Step 809, terminal has successfully received the registration reply message of target BS transmission and then represents Network has reentered, and can set up data cube computation on this carrier wave, and this carrier wave becomes terminal New main carrier, is divided by target BS according to the activation that arranges of activationary time parameter meanwhile The auxiliary carrier wave joined.

Embodiment four

In the present embodiment, using said method two is the auxiliary carrier wave of terminal distribution, and, mesh The auxiliary carrier wave into terminal distribution is actively carried in ranging response message in mark base station.

Fig. 9 is the flow chart of the present embodiment, as it is shown in figure 9, in the present embodiment, and target Base station is that the auxiliary carrier wave of terminal distribution mainly comprises the steps that

Step 901, terminal sends handover request message to serving BS；

Step 903, serving BS sends switching command message to terminal；

Step 905, terminal transmission indication message is to serving BS, and wherein carrying will The target BS being switched to and target carrier, radio-frequency channel information that terminal will use or The carrier information that person radio-frequency channel is corresponding；

Step 907, terminal performs network in target carrier and reenters process, first carries out Range finding, has obtained the information of terminal due to target BS from backbone network, and target BS can To construct basic capability negotiating message coding, registration message coding accordingly and to be carried in survey Being sent to terminal in response message, target BS can be actively that terminal carries out auxiliary carrier wave and divides Join, ranging response message carries the information of the auxiliary carrier wave distributed.In the present embodiment, Target BS arranges carrier activation time parameter, and now this parameter value is for being not zero, and represents At the appointed time activate auxiliary carrier wave.

Step 909, terminal have successfully received target BS send with registration message coding Ranging response message then represents that network has reentered, and can set up data even on this carrier wave Connecing, this carrier wave becomes the main carrier that terminal is new, meanwhile, according to the setting of activationary time parameter Activate the auxiliary carrier wave distributed by target BS.

Embodiment five

In the present embodiment, using said method two is the auxiliary carrier wave of terminal distribution, and, mesh The auxiliary carrier wave into terminal distribution is actively carried in registration reply message in mark base station.

Figure 10 is the flow chart of the present embodiment, as shown in Figure 10, in the present embodiment, and mesh Mark base station is that the auxiliary carrier wave of terminal distribution mainly comprises the steps that

Step 101, terminal sends handover request message to serving BS；

Step 103, serving BS sends switching command message to terminal；

Step 105, terminal transmission indication message is to serving BS, and wherein carrying will The target BS being switched to and target carrier, radio-frequency channel information that terminal will use or The carrier information that person radio-frequency channel is corresponding；

Step 107, terminal performs network in target carrier and reenters process, first carries out Range finding, has obtained the information of terminal due to target BS from backbone network, and target BS can To construct basic capability negotiating response message actively accordingly, the registration reply message of active is sent out Giving terminal, meanwhile, target BS can be the auxiliary carrier wave of terminal distribution on one's own initiative, in registration Response message carries auxiliary carrier list.In the present embodiment, during the activation that target BS is arranged Between parameter value be zero, represent after network has reentered, activate auxiliary carrier wave immediately.

Step 109, terminal has successfully received the registration reply message of target BS transmission and then represents Network has reentered, and can set up data cube computation on this carrier wave, and this carrier wave becomes terminal New main carrier, is divided by target BS according to the activation that arranges of activationary time parameter meanwhile The auxiliary carrier wave joined.

Embodiment six

In the present embodiment, using said method three is the auxiliary carrier wave of terminal distribution, and, by Terminal request target BS is the auxiliary carrier wave of terminal distribution.

Figure 11 is the flow chart of the present embodiment, as shown in figure 11, in the present embodiment, and mesh Mark base station is that the auxiliary carrier wave of terminal distribution mainly comprises the steps that

Step 1101, terminal sends handover request message to serving BS；

Step 1103, serving BS sends switching command message to terminal；

Step 1105, terminal transmission indication message is to serving BS, and wherein carrying will The target BS being switched to and target carrier, radio-frequency channel information that terminal will use or The carrier information that person radio-frequency channel is corresponding；

Step 1107, terminal performs network in target carrier and reenters process, first carries out Range finding, has obtained the information of terminal due to target BS from backbone network, and target BS can To construct basic capability negotiating response message actively accordingly, the registration reply message of active is sent out Give terminal；

Step 1109, terminal has successfully received the registration reply message of target BS transmission and then represents Network has reentered, and can set up data cube computation on this carrier wave, and this carrier wave becomes terminal New main carrier；

Step 1111: terminal sends multi-carrier requests message (AAI-MC-REQ) request and works as Front serving BS distributes auxiliary carrier wave；

Step 1113: Current Serving BTS receives the request of terminal, in response to this request, adopts It is the one or more auxiliary carrier wave of terminal distribution by multicarrier response (AAI-MC-RSP) message； In the present embodiment, target BS arranges activationary time parameter, and parameter value is zero, represents Auxiliary carrier wave is activated immediately while distribution；

Step 1115: the auxiliary carrier wave of distribution is activated, the auxiliary load between terminal and target BS Ripple is set up and is connected.

In sum, by means of technical scheme, by the present invention auxiliary carrier wave Distribution method so that terminal is during target BS switching or network reenter Obtain the one or more auxiliary carrier wave of base station distribution, simplify system operation, avoid simultaneously The problems such as the data-transmission interruptions reallocating auxiliary carrier wave during subsequent data transmission and bring.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, For a person skilled in the art, the present invention can have various modifications and variations.All Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, Should be included within the scope of the present invention.

Claims (30)

1. an auxiliary carrier allocation method, for switching to target BS from serving BS in terminal During be the auxiliary carrier wave of described terminal distribution, it is characterised in that described method includes:

Described serving BS sends message to described terminal, wherein, takes in described message Information with the auxiliary carrier wave that one or more target BS are described terminal distribution.

Method the most according to claim 1, it is characterised in that the one or more mesh Mark base station be described serving BS be described terminal select one or more candidate's mesh Mark base station.

Method the most according to claim 2, it is characterised in that also carry in described message There are information and the one or more target of the one or more target BS The information of the one or more target carrier under base station.

Method the most according to claim 3, it is characterised in that the one or more mesh Mark carrier wave be described serving BS be described terminal select candidate target carrier wave.

Method the most according to claim 3, it is characterised in that described serving BS to After described terminal sends described message, described method also includes:

Described terminal receives described message, obtains one or many from described message Individual target BS is the information of the auxiliary carrier wave of described terminal distribution.

Method the most according to claim 2, it is characterised in that also carry in described message The activation of the auxiliary carrier wave having the one or more target BS to be described terminal distribution Time.

Method the most according to claim 2, it is characterised in that the information of described auxiliary carrier wave Including one below or its combination in any: the physics frequency point information of auxiliary carrier wave, auxiliary carrier wave Physical carrier numbering, candidate target base station be auxiliary carrier wave distribution logical carrier compile Number.

8. according to the method according to any one of claim 2 to 7, it is characterised in that in institute Before stating the serving BS described message of transmission, described method also includes:

Described serving BS receives the request message that described terminal sends, wherein, described Request message carries described terminal and selects one or more candidate target base station Under these one or more candidate target base station that information and described terminal select one Or the information of multiple candidate target carrier wave, wherein, these one or more candidate targets carry The information of ripple includes: the physics frequency point information of each candidate target carrier wave and/or each The physical carrier numbering of target carrier.

Method the most according to claim 8, it is characterised in that receive in described terminal After the described message that described serving BS sends, described method also includes:

Described terminal to described serving BS send instruction message with initiates switch, its In, described instruction message carries described terminal and determines the letter of the target BS being switched to Breath and described terminal determine the information of the target carrier being switched to, and this target BS is institute State serving BS be described terminal select one or more candidate target BS and/or A candidate base station in one or more candidate target base station that described terminal selects, This target carrier is that under this target BS, described serving BS is that described terminal selects One or more times that one or more candidate target carrier waves and/or described terminal select Select a candidate target carrier wave in target carrier.

Method the most according to claim 9, it is characterised in that send out at described serving BS Before sending described message, described method also includes:

Described terminal receives the neighboring broadcast messages from described serving BS, obtains institute State the multicarrier configuration of the one or more neighbor base stations carried in neighboring broadcast messages Information.

11. methods according to claim 10, it is characterised in that if described adjacent area is wide Broadcast the full configuration carrier wave only carrying the one or more neighbor base station in message Configuration information, or terminal do not receives the multi-carrier configuration information of neighbor base station, then Before activating the auxiliary carrier wave that described target BS is described terminal distribution, described method Also include:

Described terminal carries out obtaining described mesh when network reenters at described target BS The multi-carrier configuration information of mark base station broadcast；Or

Described terminal sends request to described target BS after network has reentered Message, asks all multi-carrier configuration informations of described target BS.

12. according to the method according to any one of claim 2 to 7, it is characterised in that in institute Stating serving BS to send before described message to described terminal, described method also includes:

Described serving BS and the one or more candidate target base station are by backbone Network interacts, and the information of described terminal is sent to the one or more candidate Target BS, wherein, the information of described terminal includes: the overloading wave energy of described terminal Force information；

The one or more candidate target base station according to obtain described terminal information, For the auxiliary carrier wave of described terminal distribution, and the information of described auxiliary carrier wave is sent out by backbone network Give described serving BS.

13. methods according to claim 1, described message includes: switching command message or Multicarrier response message.

14. 1 kinds of auxiliary carrier allocation methods, perform network for terminal at target BS and reentered The auxiliary carrier wave of terminal distribution described in Cheng Shiwei, it is characterised in that described method includes:

Described target BS sends message to described terminal, wherein, takes in described message Information with the auxiliary carrier wave that described target BS is described terminal distribution.

15. methods according to claim 14, it is characterised in that described message include with One of lower: ranging response message, registration reply message, multicarrier response message.

16. methods according to claim 15, it is characterised in that if described message is Ranging response message, the information of the most described auxiliary carrier wave can be taken one of in the following ways Band is in described ranging response message:

The parameter item of described ranging response message；

The parameter item of the basic capability negotiating message coding in described ranging response message；

The parameter item of the registration coding in described ranging response message.

17. methods according to claim 14, it is characterised in that at described target BS After described terminal sends described message, described method also includes:

Described terminal receives described message, and activating described target BS is that described terminal is divided The auxiliary carrier wave joined；Or

Described terminal receives described message, when obtaining the activation carried in described message Between, when described activationary time arrives, activating described target BS is that described terminal is divided The auxiliary carrier wave joined.

18. methods according to claim 17, it is characterised in that

Described terminal performs before network reenters process at target BS, described method Also include:

Described terminal receives the neighboring broadcast messages from serving BS, obtains described neighbour The multi-carrier configuration information of the one or more neighbor base stations carried in district's broadcast；

If described neighboring broadcast messages only carries the one or more adjacent area The full configuration information configuring carrier wave of base station, or terminal do not receives neighbor base station Multi-carrier configuration information, then activate described target BS be the auxiliary of described terminal distribution Before carrier wave, described method also includes:

Described terminal described target BS carry out network reenter time, obtain described mesh The multi-carrier configuration information of mark base station broadcast；Or

Described terminal sends request to described target BS after network has reentered Message, asks all multi-carrier configuration informations of described target BS.

19. according to the method according to any one of claim 15 to 18, it is characterised in that institute State the information of the described auxiliary carrier wave carried in message and include one below or its any group Close: the physics frequency point information of auxiliary carrier wave, the physical carrier numbering of auxiliary carrier wave, target base Station is the logical carrier numbering of auxiliary carrier wave distribution.

20. according to the method described in claim 15 to 18 any one, it is characterised in that institute State network to reenter process and include: described terminal switches to target BS from serving BS During network reenter process, or described terminal is just switched to from idle pulley Often the network of operator scheme reenters process.

21. methods according to claim 20, it is characterised in that heavily enter at described network Entering process is described terminal net during serving BS switches to target BS In the case of network reenters process, send described to described terminal at described target BS Before message, described method also includes:

Described terminal sends switch indicating information to serving BS, wherein, and described switching Instruction message carries the described target BS of instruction during network reenters Instruction information for the auxiliary carrier wave of described terminal distribution；

Described target BS is described end according to instruction information during network enters End distributes auxiliary carrier wave.

22. according to the method according to any one of claim 15 to 18, it is characterised in that institute Stating terminal and perform before network reenters process at target BS, described method is also wrapped Include:

Serving BS is interacted by backbone network with described target BS, by described The information of terminal is sent to described target BS, and wherein, the information of described terminal includes: The multi-carrier capability information of described terminal；

Described target BS is according to the information of the described terminal of acquisition, for described terminal distribution Auxiliary carrier wave.

23. 1 kinds of auxiliary carrier allocation methods, complete after network reenters for terminal at target BS For the auxiliary carrier wave of described terminal distribution, it is characterised in that described method includes:

Described target BS sends message to described terminal, wherein, takes in described message Information with the auxiliary carrier wave that described target BS is described terminal distribution.

24. methods according to claim 23, it is characterised in that described message includes: Multicarrier response message.

25. methods according to claim 23, it is characterised in that carry in described message The information of described auxiliary carrier wave include one below or its combination in any: the thing of auxiliary carrier wave Reason frequency point information, the physical carrier numbering of auxiliary carrier wave, target BS are the distribution of auxiliary carrier wave Logical carrier numbering.

26. methods according to claim 23, it is characterised in that described target BS to After described terminal sends described message, described method also includes:

Described terminal receives described message, and activating described target BS is that described terminal is divided The described auxiliary carrier wave joined；Or

Described terminal receives described message, when obtaining the activation carried in described message Between, when described activationary time arrives, activating described target BS is that described terminal is divided The described auxiliary carrier wave joined.

27. methods according to claim 26, it is characterised in that

Described terminal completes before network reenters at described target BS, described method Also include:

Described terminal receives the neighboring broadcast messages from serving BS, obtains described neighbour The multi-carrier configuration information of the one or more neighbor base stations carried in district's broadcast；

If described neighboring broadcast messages only carries the one or more adjacent area The full configuration information configuring carrier wave of base station, or terminal do not receives neighbor base station Multi-carrier configuration information, then activate described target BS be the auxiliary of described terminal distribution Before carrier wave, described method also includes:

Described terminal described target BS carry out network reenter time, obtain described mesh The multi-carrier configuration information of mark base station broadcast；Or

Described terminal sends request message to described target BS after having reentered, Ask the configuration information of all multicarriers of described target BS.

28. according to the method according to any one of claim 23 to 27, it is characterised in that Before described target BS sends described message to described terminal, described method is also wrapped Include:

Described terminal sends request message to described target BS, asks described target base Stand as the auxiliary carrier wave of described terminal distribution.

29. methods according to claim 28, it is characterised in that described request message bag Include: multi-carrier requests message.

30. according to the method described in claim 23 to 27 any one, it is characterised in that institute Stating terminal and complete before network reenters at described target BS, described method is also wrapped Include:

Serving BS is interacted by backbone network with described target BS, by described The information of terminal is sent to described target BS, and wherein, the information of described terminal includes: The multi-carrier capability information of described terminal；

Described target BS is according to the information of the described terminal of acquisition, for described terminal distribution Auxiliary carrier wave.