CN1791245A - Communication system and method for building/deleting communication context - Google Patents

Communication system and method for building/deleting communication context Download PDF

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CN1791245A
CN1791245A CN 200510132318 CN200510132318A CN1791245A CN 1791245 A CN1791245 A CN 1791245A CN 200510132318 CN200510132318 CN 200510132318 CN 200510132318 A CN200510132318 A CN 200510132318A CN 1791245 A CN1791245 A CN 1791245A
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processing module
information
layer signaling
access layer
access
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CN100369503C (en
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王小奇
崔春风
黄宇红
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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Abstract

The invention relates to a communication system, which comprises: a mobile terminal with the first access layer signaling treatment module to the second one, a base station controller with a second layer signaling treatment module, a central control module to connect with the second A interface signaling treatment module through the first A interface signaling treatment module, and a second non-access layer information treatment module connected to said second access layer signaling treatment module, central control module and first A interface signaling treatment module; and a kernel network system. It also provides a method to build/upgrade/cancel communication context. This invention simplifies business build process and time, and releases network load.

Description

The method of communication system and foundation/deleting communication context
Technical field
The present invention relates to the method for a kind of communication system and foundation/deleting communication context, particularly a kind of replace portable terminal and core network system mutual realize to the processing of Non-Access Stratum signaling base station controller, comprise the communication system of this base station controller and the method for in this communication system, setting up communication context.
Background technology
As portable terminal (User Equipment, be called for short UE) when initiating service request, UE needs earlier and base station controller (Base Station Controller, abbreviation BSC) sets up Access Layer (Radio ResourceLayer, be called for short the RR layer) connect, by BSC RR layer signaling handled, and provide this UE interface channel to core net, make and set up Non-Access Stratum between itself and the core network system (Core Network is called for short CN) (Layer 3, be called for short the L3 layer) connect, but in the signaling procedure of handling the L3 layer, BSC only simply transmits the L3 layer signaling of transmitting between UE and the CN, and not to its content of carrying (as terminal identity information, authentication information, parameters such as business information) do any processing.When UE is called out, BSC can receive beep-page message, just call out the indication information of UE afterwards to this quilt of paging channel distributing paging of each sub-district, Business Processing process when UE receives and repeats above-mentioned UE after this paging indicating message and initiate service request Figure 1 shows that the communication system architecture schematic diagram of realizing above-mentioned operation flow in the prior art.
As shown from the above technical solution, because of existing BSC can not carry out any processing to L3 layer signaling, and the processing of each L3 layer signaling is needed mutual between CN and the UE at least, that is to say needs twice this L3 layer signaling of BSC transfer at least, has so just increased the signaling amount that air interface is transmitted.When UE is converted into connection status by idle condition, need mutual a large amount of similarly L3 layer signaling between UE and the CN, and the transfer of each signaling is all needed through on-air radio transmission between UE and the BSC and the wire transmission between BSC and CN, also comprise the forwarding processing procedure that BSC is middle simultaneously, so just take the bandwidth of wire transmission and wireless transmission, increased network burden; In addition, also prolong the time of UE state exchange, wasted this UE user's time, and the chance that may therefore abandon getting in touch other UE users, bring great inconvenience for UE user.
Summary of the invention
First purpose of the present invention is the present situation that can not handle the Non-Access Stratum signaling at existing base station controller, a kind of base station controller is provided, this base station controller can replace portable terminal and the mutual direct processing that realizes the Non-Access Stratum signaling of core network system, has avoided the transfer repeatedly of Non-Access Stratum signaling.
Second purpose of the present invention is need the transfer repeatedly by base station controller could realize present situation to the processing of Non-Access Stratum signaling at existing communication system, a kind of communication system is provided, can be in this communication system by base station controller and the directly mutual processing that realizes the Non-Access Stratum signaling of core network system.
The 3rd purpose of the present invention is to provide the method for a kind of foundation/renewal in base station controller/deleting communication context, makes base station controller realize direct processing to the Non-Access Stratum signaling alternately according to the communication context information of storage inside and core network system.
For realizing above-mentioned first purpose, the invention provides a kind of base station controller, it comprises the second Access Layer signaling processing module 21, a central control module 22 and an A interface signaling processing module 23, described central control module 22 is connected with described second an Access Layer signaling processing module 21 and a described A interface signaling processing module 23 respectively, in addition, this base station controller also comprises the second Non-Access Stratum message processing module 24, respectively with the described second Access Layer signaling processing module 21, a described central control module 22 and a described A interface signaling processing module 23 communicate to connect, and are used to obtain the Non-Access Stratum signaling and according to this Non-Access Stratum signaling foundation/renewal/deletion communications of Mobile Terminals context.
For realizing above-mentioned second purpose, the present invention also provides a kind of communication system, it comprises portable terminal 1 and the core network system 3 that is provided with in the mobile communications network, in addition, also comprise base station controller 2, the described second Access Layer signaling processing module 21 in this base station controller 2 communicates to connect with the first Access Layer signaling processing module 11 in the described portable terminal 1; A interface signaling processing module 23 in the described base station controller 2 communicates to connect with the 2nd A interface signaling processing module 32 in the described core network system 3
For realizing above-mentioned the 3rd purpose, the present invention also provides a kind of method of setting up communication context, and it carries out following steps:
Step 11, the first Access Layer signaling processing module 11 send request to the second Access Layer signaling processing module 21 and set up Access Layer signaling connection requests information;
Step 12, the described second Access Layer signaling processing module 21 are transmitted to central control module 22 with described request information;
Step 13, described central control module 22 are sent as the information that described Access Layer signaling connects distributing radio resource to the described second Access Layer signaling processing module 21;
Step 14, the described second Access Layer signaling processing module 21 are that described Access Layer signaling connects distributing radio resource;
Step 15, described portable terminal 1 are set up described Access Layer signaling and are connected, and return to the described second Access Layer signaling processing module 21 by the described first Access Layer signaling processing module 11 and to show and set up the affirmation information that described Access Layer signaling connects, carried described mobile terminal capability information and Non-Access Stratum signaling in this confirmation;
Step 16, the described second Access Layer signaling processing module 21 send to the second Non-Access Stratum message processing module 24 with described confirmation;
Step 17, the described second Non-Access Stratum message processing module 24 obtain described Non-Access Stratum signaling and set up the communication context of the described portable terminal 1 of Non-Access Stratum parameter according to this Non-Access Stratum signaling from described confirmation.
In the above-mentioned method of setting up communication context, the Non-Access Stratum signaling comprises identity information, authentication information, security information and the service requesting information of described portable terminal in the step 15, and the request of being specially of this service requesting information is attached to the service requesting information in described core network system or request renewal described portable terminal position district.
For realizing above-mentioned the 3rd purpose, the present invention also provides a kind of method of upgrading communication context, and it carries out following steps:
Step 21, when portable terminal 1 is initiated service request, the first Access Layer signaling processing module 11 sends the Access Layer signaling connection requests information of setting up to the second Access Layer signaling processing module 21;
Step 22, the described second Access Layer signaling processing module 21 are transmitted to central control module 22 with described request information;
Step 23, described central control module 22 are sent as the information that described Access Layer signaling connects distributing radio resource to the described second Access Layer signaling processing module 21;
Step 24, the described second Access Layer signaling processing module 21 are that described Access Layer signaling connects distributing radio resource;
Step 25, described portable terminal 1 are set up described Access Layer signaling and are connected, and return to the described second Access Layer signaling processing module 21 and to show and set up the affirmation information that described Access Layer signaling connects, carried described mobile terminal capability information and Non-Access Stratum signaling in this confirmation;
Step 26, the described second Access Layer signaling processing module 21 send to the second Non-Access Stratum message processing module 24 with described confirmation;
Step 27, the described second Non-Access Stratum message processing module 24 obtain described Non-Access Stratum signaling and according to the described communication context of described portable terminal 1 of storage in the described second Non-Access Stratum message processing module 24 of this Non-Access Stratum signaling update from described confirmation.
In the method for above-mentioned renewal communication context, the Non-Access Stratum signaling comprises identity information, authentication information, security information and the service requesting information of described portable terminal in the step 25, this service requesting information is specially the request of making a call or carries out the service requesting information that periodical location area upgrades, the service requesting information of the request of wherein making a call mainly comprises class of service and QoS Quality of service, QoS information, the service requesting information of carrying out the periodical location area renewal mainly comprises the location area information at the current place of described portable terminal.
For realizing above-mentioned the 3rd purpose, the present invention also provides a kind of method of deleting communication context, and it carries out following steps:
Step 31, the second Non-Access Stratum message processing module (24) do not receive the information of the portable terminal (1) that the second Access Layer signaling processing module (21) is transmitted at the appointed time or receive portable terminal (1) request remove attach to network the Non-Access Stratum signaling time, delete the communication context of the described portable terminal (1) of storage in this Non-Access Stratum message processing module (24).
By technique scheme of the present invention as can be known, communication system of the present invention is provided with a Non-Access Stratum message processing module in base station controller, set up the communication context of the Non-Access Stratum signaling that comprises portable terminal by this Non-Access Stratum message processing module, therefore replace portable terminal and core network system to realize processing alternately to the Non-Access Stratum signaling, avoided forwarding repeatedly to non-access layer information, simplified the handling process of professional foundation, shortened the time of mobile terminal state conversion, therefore reduce the time of mobile phone users, strengthened user's business experience; In addition, also save the wireless transmission bandwidth between portable terminal and the wireless base station, alleviated network burden, and reduced the message that portable terminal is handled, improved working performance of mobile terminals.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of prior art communication system;
Fig. 2 is the structural representation of base station controller of the present invention;
Fig. 3 is the structural representation of communication system of the present invention;
Fig. 4 sets up the flow chart of communication context for the present invention;
Fig. 5 upgrades the flow chart of communication context for the present invention;
Fig. 6 is the flow chart that utilizes communication system of the present invention that Non-Access Stratum signaling in the SOT state of termination transfer process is handled.
Embodiment
Referring to Fig. 2, Figure 2 shows that a concrete structure schematic diagram of base station controller of the present invention.
As shown in Figure 2, this BSC comprises the 2nd RR layer signaling processing module 21, the one A interface signaling processing module 23, the 2nd L3 layer message processing module 24 and central control module 22, unlike the prior art be, the 2nd L3 layer message processing module of setting up in this BSC 24 can obtain the L3 layer signaling that UE initiates from the RR signaling, and according to the communication context of this L3 layer signaling foundation/renewal/deletion UE, to replace the mutual processing that realizes L3 layer signaling of UE and CN, avoided forwarding repeatedly to non-access layer information, simplified the handling process of professional foundation, shortened the time of mobile terminal state conversion, therefore reduced the time of mobile phone users, strengthened user's business experience, in addition, also saved the wireless transmission bandwidth between portable terminal and the wireless base station, alleviate network burden, and reduced the message that portable terminal is handled, improved working performance of mobile terminals; The 2nd L3 layer message processing module 24 and the 2nd RR layer signaling processing module 21, central control module 22 and an A interface signaling processing module 23 are connected with the physics mode communication mode.When UE is called out, whether the central control module 22 among the BSC exists according to the requirement inspection of CN the communication context of this called UE is whether called UE is present in this BSC subordinate's the sub-district, if exist, central control module 22 just for this called UE distributing radio resource and and this called UE add and connect, then do not carry out any processing if do not exist, and needn't in other non-Target cell, indicate by the channel distributing paging, simplified business processing flow, save the wireless transmission bandwidth, alleviated network burden; In addition, when BSC is a business when setting up RAB, central control module 22 can directly obtain business information in the UE communication context of storage from the 2nd L3 layer message processing module 24.And needn't ask for business information to core network system by an A interface signaling processing module 23, simplified the handling process of professional foundation equally, shorten the time of mobile terminal state conversion, therefore reduced the time of mobile phone users, strengthened user's business experience.
Referring to Fig. 3, Figure 2 shows that a concrete structure schematic diagram of communication system of the present invention.
As shown in Figure 3, this communication system comprises UE1, base station controller 2 and CN3, wherein, UE1 comprises interconnective RR layer signaling processing module 11 and a L3 layer message processing module 12, wherein the 2nd RR layer signaling processing module 21 among RR layer signaling processing module 11 and the BSC2 communicates to connect, A interface signaling processing module 23 among the BSC2 communicates to connect with the 2nd A interface signaling processing module 32 among the CN3, the 2nd A interface signaling processing module 32 is connected with the 3rd L3 layer message processing module 31, and the 2nd L3 layer message processing module 24 undertaken by an A interface signaling processing module 23 and the 2nd A interface signaling processing module 32 and the 3rd L3 layer message processing module 31 alternately.
When UE1 was attached to network or roam into new lane place, the 2nd L3 layer message processing module 24 among the BSC2 just set up communication context for this UE1.Referring to Fig. 4, Figure 4 shows that the present invention utilizes the 2nd L3 layer message processing module 24 to set up an idiographic flow of communication context, it carries out following steps:
The two RR layer signaling processing module 21 of the one RR layer signaling processing module 11 of step 41, UE1 inside in BSC2 sends request and sets up Access Layer signaling connection requests information;
After Access Layer signaling connection requests information is set up in the request of receiving of step 42, the 2nd RR layer signaling processing module 21, this solicited message is transmitted to central control module 22, and central control module 22 sends the signaling of dividing the Radio Resource that is used in the signaling connection for UE1 to the 2nd RR layer signaling processing module 21;
Step 43, the 2nd RR layer signaling processing module 21 are the Access Layer signaling connection distributing radio resource of UE1 and the information that has connected distributing radio resource to a RR layer signaling processing module 11 for the Access Layer signaling;
Step 44, UE1 set up the Access Layer signaling and connect, and return one to the 2nd RR layer signaling processing module 21 and show and set up the affirmation information that the Access Layer signaling connects, carried the ability information of UE1 and the Non-Access Stratum signaling that the information such as identity information, authentication information, security information and service requesting information of UE1 are handled in this confirmation, service requesting information wherein can be that the UE1 request is attached to the service requesting information of CN3 or the service requesting information that its position district is upgraded in request;
Step 45, the 2nd RR layer signaling processing module 21 are transmitted to the 2nd L3 layer message processing module 24 with above-mentioned confirmation;
Step 46,24 pairs of confirmations of the 2nd L3 layer message processing module are analyzed, therefrom obtain the Non-Access Stratum signaling, know that by the Non-Access Stratum signaling UE1 request is attached to core net 3 or its position district is upgraded in request, also this communication context is kept in the 2nd L3 layer message processing module 24 for UE1 sets up communication context.
After setting up among the BSC and having preserved the communication context that comprises UE information and the business information that this UE asked, BSC just can be by the relevant information of storing in this communication context, direct and CN realizes the processing to L3 layer signaling alternately, and need not L3 layer signaling carried out transfer, compare with the technical scheme that the transfer of UE in the prior art by BSC and CN are mutual, simplified the professional flow process of setting up, saved the time of UE state exchange, and reduced the signaling amount that air interface is transmitted, thereby saved the bandwidth of wireless transmission, alleviated network burden.
After setting up the communications of Mobile Terminals context, the 2nd L3 layer message processing module 24 can also send the information of having set up the communication context of UE1 in this L3 layer message processing module 24 to central control module 22, communication context information by central control module 22 preservation UE, like this, central control module 22 need not can directly know just that by the 2nd L3 layer message processing module 24 communication context of UE sets up the network attachment situation that situation is each UE, so that later business operation has been simplified operation flow more.
Carry out periodical location area when upgrading when the UE1 request of making a call or request, the 2nd L3 layer message processing module 24 in the base station controller 2 just upgrades the communication context of this UE1.Referring to Fig. 5, Figure 5 shows that the present invention utilizes the 2nd L3 layer message processing module 24 to upgrade an idiographic flow of communication context, it carries out following steps:
The two RR layer signaling processing module 21 of the one RR layer signaling processing module 11 of step 51, UE1 inside in base station controller 2 sends request and sets up Access Layer signaling connection requests information;
After Access Layer signaling connection requests information is set up in the request of receiving of step 52, the 2nd RR layer signaling processing module 21, this solicited message is transmitted to central control module 22, and central control module 22 sends for the Access Layer signaling connection distributing radio resource of UE1 and to the 2nd RR layer signaling processing module 21 and is the information of UE1 distributing radio resource;
Step 53, the 2nd RR layer signaling processing module 21 have connected the information of distributing radio resource for the Access Layer signaling to a RR layer signaling processing module 11;
Step 54, UE1 sets up the Access Layer signaling and connects, and return one to the 2nd RR layer signaling processing module 21 and show and set up the affirmation information that the Access Layer signaling connects, carried the ability information of UE1 in this confirmation and to the identity information of UE1, authentication information, the Non-Access Stratum signaling that information such as security information and service requesting information is handled, service requesting information wherein can be the service requesting information of the UE1 request of making a call or carry out the service requesting information that periodical location area upgrades, the service requesting information of the request of making a call mainly comprises class of service and QoS (Quality of service, QoS) information, the service requesting information of carrying out the periodical location area renewal mainly comprises the location area information at the current place of UE1;
Step 55, the 2nd RR layer signaling processing module 21 are transmitted to the 2nd L3 layer message processing module 24 with above-mentioned confirmation;
Step 56,24 pairs of confirmations of the 2nd L3 layer message processing module are analyzed, therefrom obtain the Non-Access Stratum signaling, know that by the Non-Access Stratum signaling UE1 request makes a call or asks to carry out periodical location area and upgrade, and just upgrades the UE1 ground communication context of preserving in the 2nd L3 layer message processing module 24.
The communication context of the UE that preserves among the L3 layer signaling update BSC that carries in the service requesting information of BSC according to the UE initiation, preserve the up-to-date information of UE, guaranteed the accuracy of UE information, BSC just can be by the relevant information of storing in this communication context like this, and direct and CN realizes the processing to L3 layer signaling alternately.
In the technical scheme of the communication context of above-mentioned renewal portable terminal 1, the 2nd L3 layer message processing module 24 can also send the information of upgrading the communication context of UE1 in this L3 layer message processing module 24 to central control module 22 after step 57, preserve the lastest imformation of the communication context of UE by central control module 22, like this, the communication context that central control module 22 need not just can directly to know UE by the 2nd L3 layer message processing module 24 more new situation is whether business information or each UE of each UE request still is present in the subordinate sub-district of BSC2, be more convenient for processing, thereby simplified operation flow more the business of UE.
When UE1 does not initiate any service requesting information in official hour, base station controller 2 is thought UE1 out of reach or attach to network not, just delete the communication context of UE1, the present invention utilizes an idiographic flow of the 2nd L3 layer message processing module 24 deleting communication contexts as follows:
Step 61, the 2nd L3 layer message processing module 24 are not received the relevant information of the UE1 that the 2nd RR layer signaling processing module 21 transmitted at the appointed time, or the 2nd L3 layer message processing module 24 find UE1 to core network system request attachment removal network by the analysis of Non-Access Stratum signaling that the 2nd RR layer signaling processing module 21 transmitted, the 2nd L3 layer message processing module 24 just deleted the information of the communication context of the UE1 of storage in this L3 layer message processing module 24.
When portable terminal is removed attach to network, just the communication context that no longer keeps this UE in the L3 layer message processing module 24, like this, when when this UE initiates service request, inquiry is when finding the communication context of this UE of existence in the L3 layer message processing module 24, just no longer need to call out the indication information of UE, saved the wireless transmission bandwidth between portable terminal and the wireless base station, alleviated network burden to this quilt of paging channel distributing paging of each sub-district.
In the contextual technical scheme of above-mentioned deletion communication of mobile terminal, the 2nd L3 layer message processing module 24 also sends the information of the communication context of having deleted UE1 after the step 61 to central control module 22.Like this, after central control module 22 is received the paging information of this UE1 of paging, do not need can directly know just by the 2nd L3 layer message processing module 24 whether UE1 still is present in the subordinate sub-district of BSC2, saved exchanging between central control module 22 and the 2nd L3 layer message processing module 24, simplify operation flow, shortened the business hours.
In the gsm system of 2G, core network system is specially a main switching centre (MSC MainSwitching Center, MSC), referring to Fig. 6, Figure 6 shows that when portable terminal is called out, an idiographic flow that utilizes communication system of the present invention that Non-Access Stratum signaling in the mobile terminal state transfer process is handled, it carries out following steps:
Step 61, when MSC3 receives the call request information of request call UE1, the 2nd A interface signaling processing module 32 among the MSC3 has been carried the identity information of UE1 and the business information of this paging service by the paging indication information of an A interface signaling processing module 23 to central control module 22 transmission paging UE1 in this paging indication information;
Step 62, central control module 22 send the Query Information whether inquiry exists the communication context of the UE1 that is consistent with identity information in the paging indication information according to paging indication information to the 2nd L3 layer message processing module 24;
Whether step 63,24 inquiries of the 2nd L3 layer message processing module exist the communication context of UE1, if there is execution in step 64; Otherwise, redirect execution in step 75;
Because stored the context of UE among the BSC, whether BSC is only by existing the communication context of UE among the inquiry BSC, just can know and be exhaled UE whether in own subordinate's sub-district, and do not need to the equal distributing paging Indication message of each sub-district of non-target ground paging channel, simpler on the flow process, thereby saved the bandwidth that paging channel resource has been saved wireless transmission, alleviated network burden.
Step 64, the 2nd L3 layer message processing module 24 send the information of the communication context that has UE1 to central control module 22;
Step 65, central control module 22 send one to an A interface signaling processing module 23 and notify it to set up A interface signaling transmission bearing information; Simultaneously, central control module 22 is used in Radio Resource that signaling connects and sends the information of dividing the Radio Resource that is used in the signaling connection for UE1 to the 2nd RR layer signaling processing module 21 for UE1 divides;
Step 66, an A interface signaling processing module 23 are set up A interface signaling transmission bearer; Simultaneously, the 2nd RR layer signaling processing module 21 sends the information that connects distributing radio resource for the Access Layer signaling to a RR layer signaling processing module 11;
Step 67, UE1 set up the Access Layer signaling and connect, and return one to the 2nd RR layer signaling processing module 21 and show and set up the affirmation information that the Access Layer signaling connects, the Non-Access Stratum signaling of having carried the UE1 ability information in this confirmation and having comprised identity information, authentication information, the security information of UE1 and having set up the information such as service requesting information of call business and ask these information are handled, wherein service requesting information mainly comprises class of service and QoS (Quality of service, QoS) information;
Step 68, the 2nd RR layer signaling processing module 21 send to the 2nd L3 layer message processing module 24 with above-mentioned confirmation;
Step 69, the 2nd L3 layer message processing module 24 obtain the Non-Access Stratum signaling from above-mentioned confirmation, and according to the communication context of UE1 of storage in this Non-Access Stratum signaling update the 2nd L3 layer message processing module 24, then to an A interface signaling processing module 23 send set up and the 2nd A interface signaling processing module 32 between the message of A interface signaling transmission bearer;
Step 70, an A interface signaling processing module 23 are set up A interface signaling transmission bearer and are sent the message of having set up A interface signaling transmission bearer to the 2nd L3 layer message processing module 24;
The processing that step 71, the 2nd L3 layer message processing module 24 are finished the Non-Access Stratum signaling alternately by an A interface signaling processing module 23 and the 2nd A interface signaling processing module 32 and the 3rd L3 layer message processing module 31 successively, concrete processing procedure is:
Step 711, the 2nd L3 layer message processing module 24 send solicited message and the authentication request information of setting up call business to the 3rd L3 layer message processing module 31, have carried the identity information of UE1 in this authentication request information;
Step 712, the 3rd L3 layer message processing module 31 are verified the whether legal of this UE1 according to the identity information of UE1, if legal, the 3rd L3 layer message processing module 31 sends authentication to the 2nd L3 layer message processing module 24 and finish information; Otherwise, execution in step 74;
Step 713, the 2nd L3 layer message processing module 24 send the encryption mode solicited message that request is encrypted this call business to the 3rd L3 layer message processing module 31;
Step 714,31 pairs of encryption mode solicited messages of the 3rd L3 layer message processing module are handled, and determine this signal post's key, and result is returned the 2nd L3 layer message processing module 24;
Step 715, the 2nd L3 layer message processing module 24 sends the solicited message that call business is set up in request to the 3rd L3 layer message processing module 31, comprises number information and the business attribute information of UE1 in this solicited message, QoS information such as transfer mode information, voice encryption device type and version information, business information such as command transmitting protocol type, the available channel coding type information, the fixed network users rate information, largest traffic channel is counted information, the air interface data rate information, professional symmetric informations etc. and other are as protocol parameter information such as message type information and transmission ID;
Step 716, the 3rd L3 layer message processing module 31 distribute qos parameter according to the identity information of business information and UE1 for this call business, and send the information of having set up call business to the 2nd L3 layer message processing module 24;
Step 72, the 2nd L3 layer message processing module 24 are transmitted the information of the business of finishing the request of foundation to central control module 22;
Step 73, central control module 22 obtain business information by the 2nd L3 layer signaling processing module 23, and according to this business information by the 2nd RR layer signaling processing module 21 for UE1 sets up RAB, and send the information of having set up RAB to a RR layer signaling processing module 11;
Step 74, UE1 are converted to the calling connection status by idle condition;
Step 75, end.
If behind the communication context of foundation/renewal UE1, the 2nd L3 layer message processing module 24 sent the information of the communication context of foundation/renewal UE1 to central control module 22, then in the above-mentioned technical scheme that Non-Access Stratum signaling in the mobile terminal state transfer process is handled, being operating as of step 62~64: whether central control module 22 inquiries exist the communication context of UE1, if there is execution in step 65; Otherwise, redirect execution in step 75.Central control module 22 need not by with the mutual communication context information that just can directly obtain UE1 of the 2nd L3 layer message processing module 24, simplified operation flow more, shortened professional settling time.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.

Claims (10)

1, a kind of base station controller, comprise the second Access Layer signaling processing module (21), a central control module (22) and an A interface signaling processing module (23), described central control module (22) is connected with described second an Access Layer signaling processing module (21) and a described A interface signaling processing module (23) respectively, it is characterized in that described base station controller also comprises the second Non-Access Stratum message processing module (24), this second Non-Access Stratum message processing module (24) respectively with the described second Access Layer signaling processing module (21), a described central control module (22) and a described A interface signaling processing module (23) communicate to connect, and are used to obtain the Non-Access Stratum signaling and according to this Non-Access Stratum signaling foundation/renewal/deletion communications of Mobile Terminals context.
2, a kind of communication system, comprise the portable terminal (1) and the core network system (3) that are provided with in the mobile communications network, it is characterized in that also comprising base station controller (2), the first Access Layer signaling processing module (11) in described second Access Layer signaling processing module (21) in this base station controller (2) and the described portable terminal (1) communicates to connect; The 2nd A interface signaling processing module (32) in an A interface signaling processing module (23) in the described base station controller (2) and the described core network system (3) communicates to connect.
3, a kind of method of setting up communication context is characterized in that carrying out following steps:
Step 11, the first Access Layer signaling processing module (11) send request to the second Access Layer signaling processing module (21) and set up Access Layer signaling connection requests information;
Step 12, the described second Access Layer signaling processing module (21) are transmitted to central control module (22) with described request information;
Step 13, described central control module (22) are sent as the information that described Access Layer signaling connects distributing radio resource to the described second Access Layer signaling processing module (21);
Step 14, the described second Access Layer signaling processing module (21) are that described Access Layer signaling connects distributing radio resource;
Step 15, described portable terminal (1) are set up described Access Layer signaling and are connected, and return to the described second Access Layer signaling processing module (21) by the described first Access Layer signaling processing module (11) and to show and set up the affirmation information that described Access Layer signaling connects, carried described mobile terminal capability information and Non-Access Stratum signaling in this confirmation;
Step 16, the described second Access Layer signaling processing module (21) send to the second Non-Access Stratum message processing module (24) with described confirmation;
Step 17, the described second Non-Access Stratum message processing module (24) obtain described Non-Access Stratum signaling and set up the communication context of the described portable terminal of Non-Access Stratum parameter (1) according to this Non-Access Stratum signaling from described confirmation.
4, the method for setting up communication context according to claim 3, it is characterized in that in the described step 15, the described first Access Layer signaling processing module (11) returns the Non-Access Stratum signaling of having carried the identity information, authentication information, security information and the service requesting information that comprise described portable terminal (1) in the described confirmation to the described second Access Layer signaling processing module (21), and wherein service requesting information is attached to the service requesting information in described core network system or request renewal described portable terminal position district for request.
5, the method for setting up communication context according to claim 3 is characterized in that after the described step 17 described second Non-Access Stratum message processing module (24) also sends the information of the communication context of having set up described portable terminal (1) to described central control module (22).
6, a kind of method of upgrading communication context is characterized in that carrying out following steps:
Step 21, when portable terminal (1) is initiated service request, the first Access Layer signaling processing module (11) sends the Access Layer signaling connection requests information of setting up to the second Access Layer signaling processing module (21);
Step 22, the described second Access Layer signaling processing module (21) are transmitted to central control module (22) with described request information;
Step 23, described central control module (22) are sent as the information that described Access Layer signaling connects distributing radio resource to the described second Access Layer signaling processing module (21);
Step 24, the described second Access Layer signaling processing module (21) are that described Access Layer signaling connects distributing radio resource;
Step 25, described portable terminal (1) are set up described Access Layer signaling and are connected, and return to the described second Access Layer signaling processing module (21) and to show and set up the affirmation information that described Access Layer signaling connects, carried described mobile terminal capability information and Non-Access Stratum signaling in this confirmation;
Step 26, the described second Access Layer signaling processing module (21) send to the second Non-Access Stratum message processing module (24) with described confirmation;
Step 27, the described second Non-Access Stratum message processing module (24) obtain described Non-Access Stratum signaling and according to the described communication context of the described portable terminal (1) of storage in the described second Non-Access Stratum message processing module (24) of this Non-Access Stratum signaling update from described confirmation.
7, the method for setting up communication context according to claim 6 is characterized in that described step 25 is specially:
Described portable terminal (1) is set up described Access Layer signaling and is connected, and return one to the described second Access Layer signaling processing module (21) and show and set up the affirmation information that described Access Layer signaling connects, carry described mobile terminal capability information in this confirmation and comprised the Non-Access Stratum signaling of identity information, authentication information, security information and the service requesting information of described portable terminal; Described service requesting information is the request of making a call or carries out the service requesting information that periodical location area upgrades, the service requesting information of the request of wherein making a call comprises class of service and QoS information, and the service requesting information of carrying out the periodical location area renewal comprises the location area information at the current place of described portable terminal.
8, the method for setting up communication context according to claim 6 is characterized in that after the described step 27 described second Non-Access Stratum message processing module (24) also sends the information of the communication context that has upgraded described portable terminal (1) to described central control module (22).
9, a kind of method of deleting communication context is characterized in that carrying out following steps:
Step 31, the second Non-Access Stratum message processing module (24) do not receive the information of the portable terminal (1) that the second Access Layer signaling processing module (21) is transmitted at the appointed time or receive portable terminal (1) request remove attach to network the Non-Access Stratum signaling time, delete the communication context of the described portable terminal (1) of storage in this Non-Access Stratum message processing module (24).
10, the method for deleting communication context according to claim 9 is characterized in that the information that the described second Non-Access Stratum message processing module (24) has also been deleted the communication context of described portable terminal (1) to central control module (22) transmission after described step 31.
CNB2005101323186A 2005-12-21 2005-12-21 Communication system and method for building/deleting communication context Expired - Fee Related CN100369503C (en)

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