CN101296521B - Method, device and system for guaranteeing communication - Google Patents
Method, device and system for guaranteeing communication Download PDFInfo
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- CN101296521B CN101296521B CN2008101287323A CN200810128732A CN101296521B CN 101296521 B CN101296521 B CN 101296521B CN 2008101287323 A CN2008101287323 A CN 2008101287323A CN 200810128732 A CN200810128732 A CN 200810128732A CN 101296521 B CN101296521 B CN 101296521B
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Abstract
The embodiment of the invention discloses a method, equipment and a system for guaranteeing communication, pertaining to the communication field. The method comprises the following steps: an access request transmitted by user equipment (UE) in an access process is received; whether the UE is an important communication user is confirmed by judging whether a preset reason value presenting important communication is carried by the access request; and if the UE is an important communication user, user resources are distributed to the UE preferentially. The embodiment of the invention provides access network equipment which comprises a receiving module, a judging module and a resource distributing module. The embodiment of the invention also provides core network equipment, user equipment and a communication guaranteeing system. By preferentially distributing the user resources for the access request carrying the reason value presenting the important communication, the embodiment of the invention can guarantee the communication of the important communication users effectively and improve the service quality of the communication. Especially, after a disaster, the communication of commands at varied levels can be guaranteed preferentially, thus being convenient for the conducting of rescue, production and life.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method, apparatus and system of communication support.
Background technology
At present, mobile communication system comprises: GSM (Global System for Mobile communication, global mobile communication) system, CDMA (Code Division Multiple Access, the code division multiple access access) system, UMTS (UniversalMobile Telecommunication System, universal mobile telecommunications system) system, LTE (Long Term Evolution, Long Term Evolution) and WIMAX (Worldwide Interoperability for Microwave Access, worldwide interoperability for microwave insert) system etc.
With the gsm system is example, and wherein the access procedure of UE (User Equipment, user terminal) is:
1) user sends Channel Request (channel request) message to BTS (Base Transceiver Station, base station)/BSC (Base Station Controller, base station controller), inserts with request;
2) after BTS/BSC receives above-mentioned message, be this user's assignment signalling channel;
3) user uses signaling channel and system to set up signaling to be connected, and sends service request to the core network requests business;
4) after core net was received service request from user, indication BSC set up Traffic Channel for the user.
With the UMTS system is example, and wherein user's access procedure is:
1) user is to NodeB (Node Base-station, the base station)/RNC (Radio Network Controller, radio network controller) sends RRC (Radio Resource Control, Radio Resource control) connection request message, be RRCCONNECTION REQUEST message, insert with request;
2) after NodeB/RNC receives RRC connection request message, be this user's assignment signalling channel;
3) user uses signaling channel and system to set up signaling to be connected, and sends service request to the core network requests business;
4) after core net was received service request from user, indication RNC set up Traffic Channel for the user.
Similar among access procedure among the LTE and the gsm system/UMTS, repeat no more.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Because the restriction of mobile communication protocol at present, when UE initiated to insert, network was not also understood user identity, have only when the user set up successfully that signaling connects and and core net carry out alternately, after the acquisition user identity, could obtain user's precedence information.After this, could pass through the queuing and the preemption function of base station controller, guarantee that the high-priority users resource requirement can preferentially obtain.So before the user successfully set up the signaling connection, possibility was owing to Random Access Channel or signaling channel is congested, network may be refused the access of responsible consumer.
Summary of the invention
In order to ensure important communication, the embodiment of the invention provides a kind of method, apparatus and system of communication support.Described technical scheme is as follows:
A kind of method of communication support, described method comprises:
Access network equipment receives the access request that user equipment (UE) sends in access procedure;
Access network equipment determines by judging the cause value that whether carries default expression important communication in the described access request whether described UE is the important communication user; If access network equipment is preferably described UE distributing user resource.
A kind of method of communication support, described method comprises:
Equipment of the core network receives the service request that calling subscriber equipment UE sends;
Equipment of the core network judges whether described calling UE is important communication user;
If then equipment of the core network sends beep-page message to access network equipment, described beep-page message carries the paging cause value that default expression preferentially guarantees the called UE communication resource.
A kind of access network equipment, described access network equipment comprises:
Receiver module is used for receiving the access request that user equipment (UE) sends at access procedure, and wherein, described access procedure is an initial access process;
Judge module is used for determining by judging whether the access request that described receiver module is received carries the cause value of default expression important communication whether described UE is the important communication user;
Resource distribution module when being used for judged result when described judge module and being described UE and being the important communication user, is preferably described UE distributing user resource.
A kind of equipment of the core network, described equipment of the core network comprises:
Receiver module is used to receive the service request that calling subscriber equipment UE sends;
Judge module is used for judging according to the service request that described receiver module receives whether described calling UE is important communication user;
The paging module, when being used for judged result when described judge module and being described calling UE or called UE and being important communication user, send beep-page message to access network equipment, described beep-page message carries the paging cause value that default expression preferentially guarantees the called UE communication resource.
A kind of subscriber equipment, described subscriber equipment comprises:
Judge module is used for by Subscriber Identity Module is carried out authentication, judges whether this user is important communication user;
Request sending module when being used for judged result when described judge module and being this user for important communication user, sends the access request of the cause value that carries the expression important communication, and described access request sends to access network equipment in initial access process.
A kind of system of communication support, described system comprise described access network equipment, described subscriber equipment.
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
By the access request of carrying the cause value of representing important communication being taked the measure of priority allocation user resources, can ensure the important communication user's communications effectively, improve the service quality of communication.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of the communication support that provides of the embodiment of the invention 1;
Fig. 2 is the form schematic diagram of the channel request message that provides of the embodiment of the invention 1;
Fig. 3 is the method flow diagram of the called communication support that provides of the embodiment of the invention 1;
Fig. 4 is the method flow diagram of the communication support that provides of the embodiment of the invention 2;
Fig. 5 is the method flow diagram of the called communication support that provides of the embodiment of the invention 2;
Fig. 6 is the schematic diagram of the access network equipment that provides of the embodiment of the invention 3;
Fig. 7 is the schematic diagram of the equipment of the core network that provides of the embodiment of the invention 4;
Fig. 8 is the schematic diagram of the subscriber equipment that provides of the embodiment of the invention 5.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention can ensure the communication of responsible consumer effectively by the access request of carrying the important communication cause value being taked the measure of priority allocation user resources, improves the service quality of communication.
Referring to Fig. 1, present embodiment provides a kind of method of communication support, and the communication system of present embodiment is that gsm system is an example, and this method comprises:
Step 101: user terminal UE carries out authentication to Subscriber Identity Module, judges whether this user is important communication user, if, execution in step 102; If not, execution in step 103;
In the present embodiment, Subscriber Identity Module can be a SIM card.UE need carry out authentication to SIM (Subscriber Identity Module Card, Subscriber Identity Module), distinguishes by the important markup document that reads among the SIM whether whether this user is the important communication user.Authentication to Subscriber Identity Module comprises following dual mode:
The processing mode of first kind of authentication is: carry out authentication by the information in ACCESS CLASS (access style) field in the SIM card;
Wherein, the user profile in the SIM card can be the information in the ACCESS CLASS field in the SIM card.In the present embodiment, can adopt following method to set up:, this field can be set be any one value in 11～15 for important communication user (being high-priority users); For non-important communication user (being the normal priority user), this field can be set be any one value in 0～10.After adopting such method to set up, UE is by the ACCESS CLASS field in the identification SIM card, if find it is important communication user (11～15), then execution in step 102; If the value in the user profile is 0～10, show that this user is non-important communication user, then when initiating voice call (inserting request) according to the scheme of prior art, in inserting request, use original cause value;
Perhaps adopt the processing mode of another authentication: the user is carried out authentication by EMLPP (enhanced Multi LevelPrecedence and Preemption strengthens multipriority and the seizes) file of preserving in the SIM card;
For the SIM card of responsible consumer, the EMLPP file that is provided with wherein is important communication priority (can select a kind of high priority to represent important communication priority, or high priority is considered as important communication priority).UE reads EFeMLPP (the enhanced Multi Level Pre-emption and Priority) field in user's SIM card.If be found to be important communication priority, then execution in step 102; If find it is non-important communication user, handle according to normal call.
When step 102:UE initiates to insert request to access network equipment, carry default important communication cause value in inserting request, the grade that shows this communication is an important communication;
In the present embodiment, described access network equipment can be BSS (Base Station Subsystem, a base station sub-system), and wherein, BSS is made of jointly BSC and corresponding BTS.
In the present embodiment, when UE initially inserts, will be to BSS channel request Channel Request message.The form of this message as shown in Figure 2, this message can have 8 bit, comprises random parameter field and set up reason (Establishment cause) field, wherein, sets up cause field and can take 3～6 bit.Setting up reason in the prior protocols has multiplely, and every kind all with a specific value sign, for example: 101xxxxx, and the expression urgent call, 100xxxxx, expression is replied etc. with the form of paging, no longer describes in detail here.In addition, having three cause values in the prior protocols is reserved value, is 01100x01-01100011, and present embodiment can be chosen one wantonly from these three reserved value, and as the cause value of important communication, for example, present embodiment is an example with 01100011.
When step 103:UE initiates to insert request to access network equipment,, in inserting request, use original cause value according to the scheme of prior art.
Step 104: after access network equipment receives the access request of UE, judge whether this access request carries default important communication cause value, if, execution in step 105; Otherwise, execution in step 106;
In the present embodiment, access network equipment is by reading and resolve the access request of UE, to judge in this access request whether carry the important communication cause value.Concrete, UE will insert request and send to BTS by eating dishes without rice or wine, and BTS should insert request again and send to BSC by Abis interface, and BSC judges in this access request whether carry the important communication cause value.
Step 105: be preferably this UE distributing user resource;
In the present embodiment, be preferably this UE distributing user resource and can be divided into two stages: signaling channel establishment stage and Traffic Channel establishment stage are described below respectively:
At the signaling channel establishment stage, access network equipment judges that the communication that identifies this UE belongs to important communication, then is preferably this UE distributing radio resource at access phase when carrying default important communication cause value in the request of access.Specifically can comprise: when inserting at random, if this UE is the important communication user, then the SDCCH of reservation (Separate Dedicated ControlChannel is being arranged, Separate Dedicated Control Channel) under the situation, be preferably this UE and distribute the SDCCH that reserves, if do not keep SDCCH, then distribute common SDCCH for this UE.It is an important communication user that access network equipment (such as BSC) also can write down this UE.
At the Traffic Channel establishment stage, can handle service request from user by the mode of " service priority ".Core net CN can discern user identity according to user contracting data, and user contracting data can be stored in the user-subscribed database of CN, in HLR (Home Location Register, home location register).CN can determine user's priority according to the information in the user-subscribed database.If this user is a high-priority users, then set up in the indication in the Traffic Channel that sends to access network equipment, the precedence field in this indication is made as high priority.Access network equipment is high-priority users distribution T CH (Traffic Channel, Traffic Channel) time, if the TCH resource of reservation is arranged, the TCH that then at first distributes reservation for this user, if there is not the TCH of reservation, then distribute idle TCH,, then seize the TCH of the low priority user in the sub-district if there is not idle TCH.
Concrete, can be that MSC (Mobile Switching Center, mobile switching centre) sets up in the indication in the Traffic Channel that sends to BSC, the precedence field in this indication is made as high priority, indicate this user to be high-priority users.After BSC receives this indication,, confirm that the Traffic Channel that desire is set up is applied to high-priority users, in the process that is this user's distribution T CH, can adopt above-mentioned allocation strategy by the sign of the high priority in the indication.
By above user resources (Radio Resource) priority allocation, important communication user's the timely access and the use of Traffic Channel have been guaranteed to important communication user.
Step 106: handle the communication of UE according to current communication load.
Same, processing to non-important communication user also can be divided into two stages: at the signaling channel establishment stage, when inserting request, can whether allow the foundation that inserts as judgement according to current communication load situation for the common access request of non-important communication.Such as, analyze current communication load earlier, if communication load is heavier, then directly refuse this user's access, if current communication load is lighter, then allow this user to insert.If allow the access of UE, at the Traffic Channel establishment stage, only under the situation of TCH resource free time, just may be non-important communication user's distribution T CH resource, non-important communication user's TCH resource can be seized by the important communication user.
In addition, for the MSC of CN, after receiving article one message,, then guarantee to be preferably its distributing user resource, and in follow-up flow process, keep important communication user's priority always if judge it is the important communication user.
More than from calling subscriber's angle, described important communication user from subscription authentication, insert the process of request, access network equipment priority allocation user resources.To illustrate to called handling process that below present embodiment is called " special called paging 1 " from called subscriber's angle.
When the important communication user dials when called, regardless of this called identity, call out with communication process in, this is called will to obtain high priority automatically.Referring to Fig. 3, be that example describes with the gsm system, the method for called communication support comprises:
Step 301: core net CN judges according to the UE identity information in the user-subscribed database whether calling subscriber's identity is important communication user after receiving the service request of UE transmission, if then execution in step 302, if not, execution in step 306;
In the embodiment of the invention, stored user's identity information in the user-subscribed database.And, can select the identity information of a kind of high priority of the prior art to represent for the important communication user, perhaps adopt a kind of special identification information to represent.Like this, after CN received the service request that UE sends, whether the identity that just can obtain the calling subscriber was important communication user.When clear and definite calling subscriber is the important communication user, execution in step 302.
Concrete, can carry phone number, IMSI (the International MobileSubscriber Identity of UE in the business request information that UE sends, International Mobile Subscriber Identity) or IMEI (International Mobile Station Equipment Identit,) International Mobile Station Equipment Identity) and etc. identify label, CN is by this identification information, from user-subscribed database, know the priority level of this UE institute respective user, judge in view of the above whether this calling subscriber is the important communication user.
Step 302:CN sends beep-page message to access network equipment, carries special paging PAGING cause value in beep-page message, guarantees the communication of called UE with the indication Access Network;
The coding of the paging reason in existing A mouth (BSS in the GSM network and the interface between the MSC) the PAGING message adopts following form:
00 this PAGING message is mobile terminal calling;
01 this PAGING message is short message;
10 these PAGING message are a USSD;
11 free time;
In the present embodiment, owing to need to ensure the communication of high-priority users, can be in the following way: the new cause value that adds in PAGING message, for example: add " Terminating VIP Signalling ", its corresponding codes is 11, guarantees to be exhaled the communication of UE (called UE) with the indication access network equipment.Concrete, this access network equipment can be BSC, BSC can also preserve phone number, TMSI or the IMSI of called UE, indicates it and is high-priority users.
Step 303: after access network equipment is received the beep-page message that carries special PAGING cause value, eating dishes without rice or wine to send beep-page message to called UE, the channel type field Channel Needed of this beep-page message selects the value of distinguishing mutually with ordinary call for use;
In the present embodiment, in order to prevent to influence too much high priority called subscriber's page response owing to the called request of domestic consumer, access network equipment (BSS) is when eating dishes without rice or wine issuing page message, can use the channel type field Channel Needed in the PAGING message to indicate, and select a value of distinguishing mutually with ordinary call for use in this field.
According to 04.18 agreement, mobile phone when having Channel Needed field and this field to select one for use during with value that ordinary call is distinguished mutually in the PAGING message of receiving, illustrates to be high-priority users this moment when called; In the PAGING message of receiving, do not have Channel Needed field, when perhaps having Channel Needed field and this field to select for use, illustrate to be domestic consumer this moment with the corresponding value of ordinary call.
In the embodiment of the invention, for pure signaling channel flow process, such as SMS (Short Message Service, SMS (Short Message Service)) etc., at non-important communication user (domestic consumer), the Paging Indication that network side issues can be set to any channel (any channel); At the important communication user, the Paging Indication that network side issues can be set to SDCCH.
Step 304: called UE is returned corresponding channel request message according to the beep-page message that access network equipment sends;
During called UE Return Channel request CHANNEL REQUEST message, can make different indications, specifically indicate as shown in table 1 according to the Channel Needed field in its PAGING message of receiving:
Table 1
| MS Capability Paging Indication (NOTE 3) (indication of MS paging capability) | Full rate only (full rate) | Dual rate (NOTE 5) (dual rate) | SDCCH only (only SDCCH mode) |
| Any channel (any channel) | 100xxxxx | 100xxxxx | ?100xxxxx |
| SDCCH (Separate Dedicated Control Channel) | 0001xxxx | 0001xxxx | ?0001xxxx |
| TCH/F (transmission channel/full rate) | 100xxxxx | 0010xxxx | ?0001xxxx |
| TCH/H?or?TCH/F | 100xxxxx | 0011xxxx | ?0001xxxx |
According to the information in the table 1, can carry corresponding information in the channel request message that called UE is returned, such as, the called of domestic consumer can carry 100xxxxx in Channel Request message, and the called of important communication user can carry 0001xxxx in ChannelRequest message.
Step 305: after access network equipment receives channel request message, be this called UE distributing user resource according to the information of carrying in the message.Concrete, this access network equipment can be BSC.
Step 306: handle according to the existing called flow process of paging.
The similar a kind of implementation of technical scheme that is adopted with top " special called paging 1 " is " special called paging 2 ": in called process, CN (such as MSC) judges whether called UE is the important communication user, if, then in beep-page message, carry special information, concrete processing mode and follow-up flow process and above-mentioned " special called paging 1 " are similar, repeat no more herein.
In a word, in called process,,, can adopt the technical scheme of " special called paging 1 " in order to guarantee calling subscriber's communication when CN finds that the calling subscriber is the important communication user; When CN finds that the called subscriber is the important communication user,, also can adopt the technical scheme of " special called paging 2 " in order to guarantee called subscriber's communication.
What deserves to be explained is, present embodiment also can be provided with the switch of realizing that important communication ensures in the network equipment, this switch has only under certain condition just to be opened, such as because natural calamities such as earthquake, tsunami, flood cause under the situation that communication condition worsens, or other default situations take place and just open under the situation that causes communication condition to worsen.
Concrete, can in access network equipment BSC, switch be set, after the unlatching, carry out respective handling by identification important call cause value, and under the normal condition, this switch does not start, handles according to existing communication means; Can also among the MSC in CN switch be set, after the unlatching, user's the identity by the identification requested service handle accordingly at called, and under the normal condition, this switch does not start, and handles according to existing communication means.
In sum, the technical scheme that present embodiment provides on the one hand, is carried the cause specific value by inserting in the request message, and system side can be discerned user identity in access procedure, if be judged as important communication user, then priority allocation resource.For the MSC of CN, after receiving article one message,, then guarantee to be preferably its distributing user resource, and in follow-up flow process, keep important communication user's priority always if judge it is the important communication user.What deserves to be explained is that the network element that this scheme relates to comprises: UE/BTS/BSC/MSC, because UE needs customization, the network element of system side need be discerned the UE of this customization.
On the other hand, core net is in paging, in beep-page message, add special identifier, access network equipment is learnt the communication that needs to guarantee the called subscriber in view of the above, select the value of distinguishing mutually with ordinary call for use at the channel type field Channel Needed that eats dishes without rice or wine in the beep-page message that called UE sends, called UE is carried different parameters according to the information in the beep-page message in inserting request, access network equipment is judged if the important communication user then is its priority allocation resource.What deserves to be explained is that the network element that this scheme relates to comprises BTS/BSC/NSS (Network SubSystem, network subsystem), these network elements need be discerned the important communication user.
And whether UE distinguishes by the important markup document in the reading SIM card is the important communication client, realizes the authentication to SIM card.
By above technical scheme, guarantee important communication user's preferential access and resource allocation, can ensure the communication of responsible consumer effectively, improve the service quality of communication.Especially after disaster takes place, the communication of commander at different levels department will be guaranteed preferentially that what be convenient to rescue, produce and live carries out.For example during Wenchuan earthquake, solve the communication need of disaster area floor manager to the disaster area by the air-drop base station temporarily.At this moment priority support important communication user (VIP client), for example team of accident rescue command, important leader etc. can obtain means of communication, can in time launch rescue work rapidly, and coordinate rear personnel's overall action.Because very limited at these stage communication resources, therefore to the communication need of domestic consumer, for example have no mishap, kith and kin exchange etc., then will not pay the utmost attention to or solve by other modes such as notes.
Referring to Fig. 4, present embodiment provides a kind of method of communication support, and the communication system of present embodiment is UMTS, and this method comprises:
Step 401: user terminal UE carries out authentication to Subscriber Identity Module, judges whether this user is important communication user, if, execution in step 402; If not, execution in step 403;
In the present embodiment, Subscriber Identity Module can be USIM (UMTS Subscriber Identity Module, a UMTS Subscriber Identity Module).
Wherein, the concrete processing method of authentication can adopt any in two kinds of method for authenticating that embodiment 1 provides, no longer describes in detail here.
When step 402:UE initiates to insert request to access network equipment, carry default important communication cause value in inserting request, the grade that shows this communication is an important communication;
In the present embodiment, described access network equipment can be a base station sub-system, and wherein, base station sub-system can be made of jointly NodeB and RNC.
When the UE of present embodiment initially inserts, will send RRC CONNECTION REQUEST message to access network equipment.The cause value of existing RRC CONNECTION REQUEST message is as shown in table 2:
Table 2
| Information Element/Gro up name (message field name) | Need | Multi | Type and parameter | The meaning of one's words is described |
| Set up cause value | MP | ? | Enumerated (Originating Conversational Call, (conversation class is called out (caller)) Originating Streaming Call, (the stream class is called out (caller)) Originating Interactive Call, (interactive class is called out (caller)) Originating Background Call, (background classes is called out (caller)) Originating Subscribed traffic Call, (interactive class is called out (caller)) Terminating Conversational Call, (conversation class is called out (called)) Terminating Streaming Call, (the stream class is called out (called)) Terminating Interactive Call, (interactive class is called out (called)) Terminating Background Call, (background classes is called out (called)) Emergency Call, (urgent call) Inter-RAT cell re-selection, (the sub-district gravity treatment of different connecting system) Inter-RAT cell change order, (the sub-district gravity treatment of different connecting system) Registration (registration), Detach (separation), Originating High Priority Signalling, (high priority signaling (caller)) Originating Low Priority Signalling, (low priority signaling (caller)) Call re-establishment, (rebuild and call out) Terminating High Priority Signalling, (high priority signaling (called)) Terminating Low Priority Signalling, (low priority signaling (called)) Terminating-cause unknown (unknown cause (called)), MBMS reception, MBMS ptp RB request (MBMS point-to-point wireless carrying request)) | Eleven spare values are needed. (11 cause values are free value) |
Wherein, remain 11 free values, present embodiment can utilize wherein any one free value, such as, add the new important communication cause value that reason " caller is high priority session (Originating High Priority Conversational Call) " conduct is preset of setting up at the free value of selecting;
When step 403:UE initiates to insert request to access network equipment,, in inserting request, use original cause value according to the scheme of prior art.
Step 404: after access network equipment receives the access request of UE, judge whether this access request carries default important communication cause value, if, execution in step 405; Otherwise, execution in step 406;
In the present embodiment, access network equipment is by reading and resolve the access request of UE, to judge in this access request whether carry the important communication cause value.Concrete, UE will insert request and send to Node B by eating dishes without rice or wine, and Node B will insert request again and send to RNC by Iub (interface between Node B and the RNC) interface, and RNC judges in this access request whether carry the important communication cause value.
Step 405: be preferably this UE distributing user resource;
In the present embodiment, be preferably this UE distributing user resource and can be divided into two stages: signaling channel establishment stage and Traffic Channel establishment stage, the method for concrete distributing user resource is similar to Example 1, is briefly described as follows:
When carrying default important communication cause value in inserting request, access network equipment will identify this user and be important communication user; Then can guarantee user resources as much as possible at access phase.For example: when inserting at random,, then be preferably these users and distribute reserved resource,, then distribute common resource if there is not reservation of resource if this user is a high-priority users.It is an important communication user that access network equipment (such as RNC) also can write down this user.
At the Traffic Channel establishment stage, can handle service request from user by the mode of " service priority ".Core net CN can determine user's priority according to the information in the user-subscribed database.If this user is a high-priority users, then set up in the indication in the Traffic Channel that sends to access network equipment, the precedence field in this indication is made as high priority.Access network equipment is high-priority users distribution T CH (Traffic Channel, Traffic Channel) time, if the TCH resource of reservation is arranged, the TCH that then at first distributes reservation for this user, if there is not the TCH of reservation, then distribute idle TCH,, then seize the TCH of the low priority user in the sub-district if there is not idle TCH.
Step 406: according to the communication of current communication load process user.
Same, processing to non-important communication user also can be divided into two stages: at the signaling channel establishment stage, when inserting request for common access request, can analyze current communication load earlier, if communication load is heavier, then directly refuse this user's access,, then allow this user to insert if current communication load is lighter; If allow the access of UE, at the Traffic Channel establishment stage, only under the situation of TCH resource free time, just may be non-important communication user's distribution T CH resource, non-important communication user's TCH resource can be seized by the important communication user.
In addition, for the MSC of CN, after receiving article one message,, then guarantee preferential the access, and in follow-up flow process, keep important communication user's priority always if judge it is the important communication user.
More than from calling subscriber's angle, described important communication user from subscription authentication, insert the process of request, access network equipment priority allocation Radio Resource.Below will illustrate called handling process from called subscriber's angle.
When the important communication user dials when called, regardless of this called identity, call out with communication process in, this is called will to obtain high priority automatically.Referring to Fig. 5, be example with the WCDMA system, the method for called communication support comprises:
Step 501: after equipment of the core network is received the service request of UE transmission, judge that according to the UE information in the user-subscribed database calling subscriber's identity is important communication user, if then execution in step 502, if not, execution in step 507;
In the embodiment of the invention, stored user's identity information in the user-subscribed database.And, can select the identity information of a kind of high priority of the prior art to represent for the important communication user, perhaps adopt a kind of special identification information to represent.Like this, after equipment of the core network was received the service request that UE sends, whether the identity that just can obtain the calling subscriber was important communication user.When clear and definite calling subscriber is the important communication user, execution in step 502.
Step 502: equipment of the core network sends beep-page message to access network equipment (as RNC), carries special P AGING cause value, guarantees the communication of called UE with the indication access network equipment;
Existing PAGING cause value is as shown in table 3 in the WCDMA system:
Table 3
| IE/Group Name (IE/ group name) | Presence (Presence Bit) | Range (scope) | IE type and reference (IE type and parameter) | Semantics description (meaning of one's words description) |
| Paging Cause (paging reason) | M | ? | ENUMERATED (Terminat ing Conversational Call, (conversation class is called out (called)) Terminating Streaming Call, (the stream class is called out (called)) Terminating Interactive Call, (interactive class is called out (called)) Terminating Background Call, (background classes is called out (called)) Terminating Low Priority Signalling, ..., (low priority signaling (called)) Terminating High Priority Signalling) (high priority signaling (called)) | ? |
Under the WCDMA system, when high-priority users is called out when called, in order to ensure the communication of high-priority users, when the core net of present embodiment sends beep-page message to RNC, in beep-page message, add new cause value, for example, add cause value: " Terminating VIP Signalling " need be ensured in order to this communication of indication access network equipment.Concrete, this access network equipment can be RNC, RNC can also preserve phone number, TMSI or the IMSI of called UE, indicates it and is high-priority users.
Step 503: after access network equipment is received the beep-page message that adds new cause value, preserve the identification information of called UE, and it is set is high-priority users, issuing page message then;
The identification information of called UE can be phone number, TMSI or the IMSI of called UE.
Step 504: after called UE is received beep-page message, return page-response message, i.e. RRCCONNECTION REQUEST message to access network equipment.
Step 505: after access network equipment is received the page-response message that called UE returns, RNC resolves RRCCONNECTION REQUEST message, take out UE identification field wherein, judge according to the information that preserve this locality whether this page response is the response of important communication user paging, if, execution in step 506; Otherwise, execution in step 507;
Wherein, user identification field may be TMSI, also may be IMSI, judges according to the user ID user information corresponding that preserve this locality whether this page response is the response of important communication user paging;
Step 506: the preferential guarantee is this called UE distributing user resource;
Concrete, can be that access network equipment (such as RNC) is this called UE priority allocation resource.
Step 507: handle according to the existing called flow process of paging.
In addition, in the UMTS system,,, also can adopt the technical scheme of " special called paging " in order to guarantee called subscriber's communication when CN finds that the called subscriber is the important communication user.
What deserves to be explained is, present embodiment also can be provided with the switch of realizing that important communication ensures in the network equipment, this switch has only under certain condition just to be opened, such as because natural calamities such as earthquake, tsunami, flood cause under the situation that communication condition worsens, or other default situations take place and just open under the situation that causes communication condition to worsen.
Particularly, the switch of realizing that important communication ensures can be set in access network equipment RNC, after the unlatching, carry out respective handling by identification important call cause value, and under the normal condition, this switch not start, handles according to existing communication means; Can also among the MSC in CN switch be set, after the unlatching, user's the identity by the identification requested service handle accordingly at called, and under the normal condition, this switch does not start, and handles according to existing communication means.
The technical scheme that present embodiment provides can ensure the communication of responsible consumer effectively, improves the service quality of communication, and especially after disaster takes place, the communication of commander at different levels department will be guaranteed preferentially that what be convenient to rescue, produce and live carries out.Concrete technique effect is similar to Example 1, owing to compare sufficient description in embodiment 1, repeats no more herein.
The communication guarantee method that provides among the foregoing description 1 and the embodiment 2 also can be applied to the LTE system.The LTE system is made up of core net (EPC, Envolved Packet Core), base station (eNodeb); Wherein, eNodeB is responsible for the wireless access mesh portions, is called E-UTRAN (Evolved Universal Terrestrial Radio Access Network, evolved universal terrestrial radio access network); EPC comprises signaling process part MME and data processing section SAEGa-teway.When being applied in the LTE system, principle and UMTS system class be seemingly: UE is equally by RRC CONNECTION REQUEST signaling access network, if this UE passes through authentication, when finding that the user is important communication user, base station eNodeb then in RRC CONNECTION REQUEST signaling, carries default important communication cause value, so that can determine whether preferentially to guarantee the user resources distribution of this UE according to this signaling.And the scheme of " special called paging " is also similar substantially, and difference is that network element is different, and interface is different.
Equally, the communication guarantee method that provides in the foregoing description also is applicable to systems such as cdma system, WIMAX, and the method among the principle of its method and embodiment 1 and the embodiment 2 is similar, no longer describes in detail here.
Referring to Fig. 6, present embodiment provides a kind of access network equipment, and this access network equipment comprises:
Signaling channel resource allocation submodule is used at the signaling channel establishment stage, if the signaling channel resource of reservation is arranged, then is preferably this UE and distributes the signaling channel resource of reserving; And/or,
The traffic channel resource distribution sub module, be used at the Traffic Channel establishment stage,, then be preferably this UE and distribute the traffic channel resource of reserving if the traffic channel resource of reservation is arranged, if there is not idle traffic channel resource, then seize the traffic channel resource of low priority UE.
Further, this access network equipment can also comprise:
The beep-page message receiver module is used to receive the beep-page message that equipment of the core network sends, and this beep-page message carries the paging cause value that default expression preferentially guarantees the called UE communication resource;
The paging module, the paging cause value that is used for carrying according to the beep-page message that the beep-page message receiver module is received confirms that needs preferentially guarantee the communication resource of called UE, issue the beep-page message that carries the channel type field, this channel type field is selected the value of distinguishing mutually with ordinary call for use.
This access network equipment can also comprise:
Sign is provided with module, is used to receive the beep-page message that equipment of the core network sends, and this beep-page message carries the paging cause value that default expression preferentially guarantees the called UE communication resource; Confirm that according to this default paging cause value needs preferentially guarantee the communication resource of called UE, preserve the sign of called UE in this locality, and the high-priority users that is designated of called UE is set;
Called resource distribution module, be used for issuing page message and receive the page response that called UE is returned, page response is resolved, obtain the sign of called UE, and judge relatively with the called UE sign that preserve this locality whether this called UE is high-priority users, if then preferentially ensure this called subscriber's the communication resource.
Further, access network equipment can also comprise:
Switch module is used for when system's generation traffic congestion, opens important communication and ensures switch, starts judge module 602 by judging the cause value that whether carries default expression important communication in the request of access, determining whether this UE is important communication user's function.
When communication system was gsm system, access network equipment can be made of BTS and BSC; When communication system was UMTS, access network equipment can specifically be made of NodeB and RNC.
The access network equipment that present embodiment provides also can be applied to the LTE system, perhaps WCDMA, cdma system and WIMAX system.
After the access network equipment that present embodiment provides was received the request of access, whether the user of identification terminal correspondence was important communication user, if be preferably its distributing user resource; Can ensure the communication of responsible consumer effectively, improve the service quality of communication, especially after disaster takes place, the communication of commander at different levels department will be guaranteed preferentially that what be convenient to rescue, produce and live carries out.
Referring to Fig. 7, present embodiment provides a kind of equipment of the core network, and this equipment of the core network comprises:
Further, judge module 702 comprises:
User profile inquiry submodule is used for the described calling UE of the service request correspondence that receives at user-subscribed database inquiry receiver module 701 or the user profile of called UE;
Judge submodule, be used for judging according to the Query Result of user profile inquiry submodule whether calling UE or called UE are important communication user.
Further, a switch module can also be set in equipment of the core network, be used for when system's generation traffic congestion, open important communication and ensure switch, start judge module 702 by judging whether calling UE or called UE are important communication user, and then the entrained paging cause value of definite paging.
Wherein, equipment of the core network is a moving exchanging center MSC in gsm system or UMTS system, and equipment of the core network corresponding in other communication system is the entity with service control function, repeats no more here.
After the equipment of the core network that present embodiment provides confirms that calling UE or called UE are important communication user, in beep-page message, carry the preferential paging cause value that guarantees the called UE communication resource of expression, so that can ensureing the user resources of called UE, distributes by access network equipment, and then ensured the important communication user's communications, improve the service quality of communication, especially after disaster takes place, the communication of commander at different levels department will be guaranteed preferentially that what be convenient to rescue, produce and live carries out.
Referring to Fig. 8, present embodiment provides a kind of subscriber equipment, and this subscriber equipment comprises:
Request sending module 802 when being used for judged result when judge module 801 and being this user for important communication user, sends the access request of the cause value that carries the expression important communication.
Wherein, subscriber equipment can carry out authentication to Subscriber Identity Module in several ways, and the method for authenticating that concrete method for authenticating and embodiment 1 provide is similar, no longer describes in detail here.
Further, if the user is important communication user, then the ACCESS CLASS field in its Subscriber Identity Module is set to represent important communication user's priority-level; Or,
Enhancing multipriority in its Subscriber Identity Module and seize the priority-level that the EMLPP file is set to identify the important communication user.
The subscriber equipment that present embodiment provides is when sending the access request, judge whether the user is important communication user, when being important communication user, insert in the request and carry default important communication cause value,, and then ensure the communication of responsible consumer effectively so that network equipment can be preferably this user equipment allocation user resources, improve the service quality of communication, especially after disaster takes place, the communication of commander at different levels department will be guaranteed preferentially that what be convenient to rescue, produce and live carries out.
Present embodiment provides a kind of system of communication support, and this system comprises access network equipment among the embodiment 3 and the subscriber equipment among the embodiment 5:
Further, this system can also comprise the equipment of the core network among the embodiment 4.
The system that present embodiment provides also can be applied to gsm system, LTE system, perhaps WCDMA, cdma system and WIMAX system.
After access network equipment in the system of the communication support that present embodiment provides was received the request of access, whether the user of identification terminal correspondence was important communication user, when being important communication user, is preferably its distributing user resource; Can ensure the communication of responsible consumer effectively, improve the service quality of communication, especially after disaster takes place, the communication of commander at different levels department will be guaranteed preferentially that what be convenient to rescue, produce and live carries out.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. the method for a communication support is characterized in that, described method comprises:
Access network equipment receives the access request that user equipment (UE) sends in initial access process;
Described access network equipment determines by judging the cause value that whether carries default expression important communication in the described access request whether described UE is the important communication user;
If described access network equipment is preferably described UE distributing user resource.
2. the method for communication support as claimed in claim 1 is characterized in that, is important communication user if UE, judges this user by Subscriber Identity Module is carried out authentication, carries the cause value of expression important communication in the access request that then described UE sends.
3. the method for communication support as claimed in claim 2 is characterized in that, the ACCESS CLASS field in described important communication user's the Subscriber Identity Module is set to represent important communication user's priority-level; Or,
Enhancing multipriority in described important communication user's the Subscriber Identity Module and seize the priority-level that the EMLPP file is set to identify the important communication user.
4. as the method for each described communication support of claim 1 to 3, it is characterized in that, describedly be preferably described UE distributing user resource and comprise:
At the signaling channel establishment stage,, then be preferably described UE and distribute the signaling channel resource of reserving if the signaling channel resource of reservation is arranged; And/or,
At the Traffic Channel establishment stage, if the traffic channel resource of reservation is arranged, then be preferably described UE and distribute the traffic channel resource of reserving, if there is not idle traffic channel resource, then seize the traffic channel resource of low priority UE.
5. as the method for each described communication support of claim 1 to 3, it is characterized in that described method also comprises:
When system's generation traffic congestion, open important communication and ensure switch, start by judging the cause value that whether carries default expression important communication in the request of access, determining whether described UE is important communication user's function.
6. the method for a communication support is characterized in that, described method comprises:
Equipment of the core network receives the service request that calling subscriber equipment UE sends;
Described equipment of the core network judges whether described calling UE is important communication user;
If then described equipment of the core network sends beep-page message to access network equipment, described beep-page message carries the paging cause value that default expression preferentially guarantees the called UE communication resource.
7. the method for communication support as claimed in claim 6 is characterized in that, described method also comprises:
After described access network equipment is received described beep-page message, confirm that according to described default paging cause value needs preferentially guarantee the communication resource of called UE, issue the beep-page message that carries the channel type field, described channel type field is selected the value of distinguishing mutually with ordinary call for use.
8. the method for communication support as claimed in claim 6 is characterized in that, described method also comprises:
After described access network equipment is received described beep-page message, confirm that according to described default paging cause value needs preferentially guarantee the communication resource of called UE, preserve the sign of described called UE, and the high-priority users that is designated of described called UE is set in this locality;
Described access network equipment issuing page message also receives the page response that described called UE is returned, described page response is resolved, obtain the sign of described called UE, and judge relatively with the called UE sign that preserve this locality whether this called UE is high-priority users, if then preferentially guarantee this called subscriber's the communication resource.
9. an access network equipment is characterized in that, described access network equipment comprises:
Receiver module is used for receiving the access request that user equipment (UE) sends at access procedure, and wherein, described access procedure is an initial access process;
Judge module is used for determining by judging whether the access request that described receiver module is received carries the cause value of default expression important communication whether described UE is the important communication user;
Resource distribution module when being used for judged result when described judge module and being described UE and being the important communication user, is preferably described UE distributing user resource.
10. access network equipment as claimed in claim 9 is characterized in that, described resource distribution module comprises:
Signaling channel resource allocation submodule is used at the signaling channel establishment stage, if the signaling channel resource of reservation is arranged, then is preferably described UE and distributes the signaling channel resource of reserving; And/or,
The traffic channel resource distribution sub module, be used at the Traffic Channel establishment stage,, then be preferably described UE and distribute the traffic channel resource of reserving if the traffic channel resource of reservation is arranged, if there is not idle traffic channel resource, then seize the traffic channel resource of low priority UE.
11. access network equipment as claimed in claim 9 is characterized in that, described access network equipment also comprises:
The beep-page message receiver module is used to receive the beep-page message that equipment of the core network sends, and described beep-page message carries the paging cause value that default expression preferentially guarantees the called UE communication resource;
The paging module, the paging cause value that is used for carrying according to the beep-page message that described beep-page message receiver module is received confirms that needs preferentially guarantee the communication resource of called UE, issue the beep-page message that carries the channel type field, described channel type field is selected the value of distinguishing mutually with ordinary call for use.
12. access network equipment as claimed in claim 9 is characterized in that, described access network equipment also comprises:
Sign is provided with module, is used to receive the beep-page message that equipment of the core network sends, and described beep-page message carries the paging cause value that default expression preferentially guarantees the called UE communication resource; Confirm that according to described default paging cause value needs preferentially guarantee the communication resource of called UE, preserve the sign of described called UE, and the high-priority users that is designated of described called UE is set in this locality;
Called resource distribution module, be used for issuing page message and receive the page response that described called UE is returned, described page response is resolved, obtain the sign of described called UE, and judge relatively with the called UE sign that preserve this locality whether this called UE is high-priority users, if then preferentially ensure this called subscriber's the communication resource.
13., it is characterized in that described access network equipment also comprises as each described access network equipment of claim 9 to 12:
Switch module is used for when system's generation traffic congestion, opens important communication and ensures switch, starts described judge module by judging the cause value that whether carries default expression important communication in the request of access, determining whether described UE is important communication user's function.
14. an equipment of the core network is characterized in that, described equipment of the core network comprises:
Receiver module is used to receive the service request that calling subscriber equipment UE sends;
Judge module is used for judging according to the service request that described receiver module receives whether described calling UE is important communication user;
The paging module, when being used for judged result when described judge module and being described calling UE or called UE and being important communication user, send beep-page message to access network equipment, described beep-page message carries the paging cause value that default expression preferentially guarantees the called UE communication resource.
15. equipment of the core network as claimed in claim 14 is characterized in that, described judge module comprises:
User profile inquiry submodule is used for the described calling UE of the service request correspondence that receives at the described receiver module of user-subscribed database inquiry or the user profile of called UE;
Judge submodule, be used for judging according to the Query Result of described user profile inquiry submodule whether described calling UE or called UE are important communication user.
16. a subscriber equipment is characterized in that, described subscriber equipment comprises:
Judge module is used for by Subscriber Identity Module is carried out authentication, judges whether this user is important communication user;
Request sending module when being used for judged result when described judge module and being this user for important communication user, sends the access request of the cause value that carries the expression important communication, and described access request sends to access network equipment in initial access process.
17. subscriber equipment as claimed in claim 16 is characterized in that, if the user is important communication user, then the ACCESS CLASS field in its Subscriber Identity Module is set to represent important communication user's priority-level; Or,
Enhancing multipriority in its Subscriber Identity Module and seize the priority-level that the EMLPP file is set to identify the important communication user.
18. the system of a communication support is characterized in that, described system comprises as each described access network equipment of claim 9-13, as claim 16 or 17 described subscriber equipmenies.
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