CN101860939A - Method, device and system for implementing UE redirection - Google Patents
Method, device and system for implementing UE redirection Download PDFInfo
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- CN101860939A CN101860939A CN200910081443A CN200910081443A CN101860939A CN 101860939 A CN101860939 A CN 101860939A CN 200910081443 A CN200910081443 A CN 200910081443A CN 200910081443 A CN200910081443 A CN 200910081443A CN 101860939 A CN101860939 A CN 101860939A
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Abstract
The invention relates to a method, a device and a system for implementing UE redirection. The method comprises that: an RNC sends wireless resource control connection reject message to UE, wherein the reject message at least contains redirection information and system information of a target cell; and B, the UE extracts the redirection information and the system information of the target cell from the reject message, and initiates a call in the target cell. The method, the device and the system of the invention can avoid a process of reading the system information before the UE initiates the call in the target cell so that the UE can initiate the call in the target cell as quickly as possible and the call delay that the UE reinitiates the call in the target cell can be further greatly shortened.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to the methods, devices and systems that a kind of UE of realization is redirected.
Background technology
At present, along with the maturation day by day of 3G mobile communication system, in mobile radio communication operation process, the situation that has multiple business probably and deposit; And general operation scheme is: some business (for example speech business) still adopts the 2G network carrying, as adopt GSM (Global System for MobileCommunications, global system for mobile communications) network carrying, and other business (for example data service) adopt the 3G network carrying, as adopt TD-SCDMA (Time Division-SynchronousCode Division MultiDle Access, TD-SCDMA (Time Division-Synchronous Code Division Multiple Access)) network or WCDMA (Wideband-Code Division MultiDle Access, the Wideband Code Division Multiple Access (WCDMA)) network carrying.
Wherein, specific implementation at heterogeneous networks carrying different business in the prior art is: RNC (Radio Network Controller, radio network controller) receiving UE (User Equipment, subscriber equipment) after RRC Connection Request (wireless resource control connection request) message of Fa Qiing, determine the different network carryings at reason for claim, if the current business that shows reason for claim be fit to adopt the 2G network carrying, then RNC impels UE to be redirected to 2G network objectives sub-district by the Redirection information (redirection information) in RRC Connection Reject (the Radio Resource control connection refusal) message to make a call.
In addition, after 3G network is congested, also adopt RNC to send the mode of RRC ConnectionReject in the prior art, the UE that newly makes a call is denied to 2G network objectives sub-district makes a call.
And receive the RRC Connection Reject message of RNC as UE after, can carry out the search of 2G network cell according to the redirection information that carries in the message; But, when the refuse information that UE sends according to RNC at every turn is redirected to Target cell all needs read the system information broadcast of Target cell earlier, could make a call again at Target cell then, this delays with regard to having caused bigger calling.
Summary of the invention
What in view of this, the present invention solved is to need first read system information to broadcast the problem of the call delay that is caused when UE is redirected to 2G network objectives sub-district in the prior art.
For addressing the above problem, technical scheme provided by the invention is as follows:
A kind of method that realizes that UE is redirected comprises:
A, RNC send Radio Resource control connection refuse information to UE, comprise the system information of redirection information and Target cell in the described refuse information at least;
B, UE extract the system information of described redirection information and Target cell from described refuse information, make a call at described Target cell.
Preferably, the system information of described Target cell is a gsm system information.
Preferably, the system information of described Target cell is the GPRS packet system information.
Preferably, the system information of described Target cell is contained in the described redirection information.
Preferably, the system information of described Target cell is contained in the described redirection information in the target cell information.
Preferably, also comprise before the described steps A: RNC judges whether the call business of current initiation request is fit to adopt the 3G network carrying after receiving the wireless resource control connection request message that UE initiates, if not, and execution in step A then.
Preferably, also comprise before the described steps A: RNC judges whether current 3G network is congested after receiving the wireless resource control connection request message that UE initiates, if, execution in step A then.
A kind of Wi-Fi controller comprises: adding device and transmitting element; Wherein, described transmitting element is used for sending Radio Resource control connection refuse information to UE;
The refuse information that described adding device is used for sending at described transmitting element increases the system information of redirection information with the Target cell that is redirected to of UE.
Preferably, the system information of the Target cell of described adding device increase is gsm system information or GPRS packet system information.
Preferably, described Wi-Fi controller also comprises: receiving element and judging unit; Wherein,
Described receiving element is used to receive the wireless resource control connection request message that UE initiates;
Described judging unit is used for after described receiving element receives described request message, judges whether the call business of current initiation request is fit to adopt the 3G network carrying, if not, then notifies described transmitting element and adding device; Perhaps,
After described receiving element receives described request message, judge whether current 3G network is congested, if then notify described transmitting element and adding device.
A kind of terminal equipment comprises: receiver module, extraction module and calling module; Wherein,
Described receiver module is used to receive the Radio Resource control connection refuse information that comprises redirection information and target cell system information that network side sends over;
Described extraction module is used for extracting described redirection information and target cell system information from the described refuse information that described receiver module receives, and passes to described calling module;
Described calling module makes a call at Target cell according to the information of described extraction module transmission.
A kind of system that realizes that UE is redirected comprises RNC and UE:
Described RNC comprises the transmitting element that sends Radio Resource control connection refuse information to UE, and increases the redirection information of UE and the adding device of the target cell system information that is redirected in the refuse information that described transmitting element sends;
Described UE comprises the receiver module that receives the described refuse information that RNC sends, extract described redirection information and target cell system information from described refuse information and pass to the extraction module of calling module and the calling module that makes a call at Target cell according to the information of described extraction unit transmission.
As can be seen, adopt methods, devices and systems of the present invention, by the redirection information and the target cell system information of in the RRC Connection Reject message that UE sends, carrying UE at RNC, make UE can utilize the system information of from the Reject message that receives, extracting to make a call, thereby avoided before Target cell makes a call, reading the process of its system information, make UE to make a call at Target cell as soon as possible, and then can shorten UE greatly and delay in the calling that Target cell makes a call again.
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 first method schematic flow sheet of the embodiment of the invention 1;
Fig. 2 is the second method schematic flow sheet of the embodiment of the invention 1;
Fig. 3 is third party's method schematic flow sheet of the embodiment of the invention 1;
Fig. 4 is the schematic flow sheet of the embodiment of the invention 2;
Fig. 5 is the schematic flow sheet of the embodiment of the invention 3;
Fig. 6 is the system configuration schematic diagram of the embodiment of the invention 6.
Embodiment
Basic thought of the present invention is by carry redirected target cell system information broadcasting in the RRC ConnectionReiect message that UE sends at RNC, make UE from receive described Reject message, to extract described system information broadcast, and avoided before Target cell makes a call, reading the process of its system information broadcast, delay in the calling that Target cell makes a call again thereby can shorten UE greatly.
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 method that the embodiment of the invention 1 provides a kind of UE of realization to be redirected, as shown in Figure 1, this method comprises:
In step 101, RNC sends RRC Connection Reject message to UE, comprises the system information of redirection information and Target cell in the described Reject message at least;
Concrete, determine that as described RNC the UE of current initiation RRC Connection Request can't can send RRC Connection Reject message to UE when current 3G network makes a call, be redirected to the 2G Target cell with notice UE and make a call; With GSM is example, in present agreement, be defined in to have comprised Redirection information in this refuse information, shown in following table 1-3:
Table 1
Table 2
Table 3
Wherein, clearly in described refuse information, be redirected the relevant GSM target cell information that only comprised with described UE;
And present embodiment 1 proposes to increase the system information broadcast SI of described GSM Target cell in described refuse information; Wherein, described system information broadcast SI is contained among the described Redirection information; Concrete, the optimal way that increases system information in the present embodiment is that described gsm system information broadcast SI is increased among the GSM target cell info (GSM target cell information) among the described Redirection information, and other modes can certainly be arranged;
In addition, described in the specific implementation UE is redirected to possibly and initiates GPRS (GeneralPacket Radio Service, general packet radio service) calling, and this moment, UE also needed to read earlier the packet system information of described GPRS before making a call; At this, present embodiment proposes to send PSI (the Packet Systeminfo that increases GPRS in the RRC Connection Reject message at RNC to UE, packet system information), thereby can avoid UE before making a call, to read the process of its packet system information, and then can shorten to call out and delay; The increase mode of concrete packet system information and the increase mode of above-mentioned SI are similar, be that described PSI can be contained among the described Redirection information, also can be contained in the target cell information among the described Redirection information, other multiple addition manners equally also can be arranged, do not repeat them here;
Based on above-mentioned different system information, present embodiment has also proposed to add described SI and PSI simultaneously in described refuse information, and between the two, select according to the Target cell that is redirected, promptly inform the SI of the described GSM Target cell of described UE and the PSI of described GPRS sub-district simultaneously, be beneficial to the system information that described UE can select to determine described Target cell according to described redirection information and target cell information by refuse information; The two mode of adding simultaneously is as shown in table 6, and other modes can certainly be arranged, and does not repeat them here:
Table 6
It should be noted that, optimal way when the mode of described in the present embodiment several increase target system information is only specifically implemented, those skilled in the art should readily understand, the target system information that increases newly in described Reject message can have multiple mode, for example in Reject message, increase independently system information rather than be contained in described Redirection information medium, promptly so long as be beneficial to follow-up UE can extract described system information from described refuse information increase mode and all can realize, do not repeat them here.
In step 102, UE extracts the system information of described redirection information and Target cell from described Reject message, make a call at described Target cell;
Concrete, after described UE receives the described RRC Connecticn Reject message of described RNC transmission, from described Reject message, extract the system information of described redirection information and Target cell, utilize the described redirection information that extracts to make a call then at Target cell, from described refuse information, extracted the system information of described Target cell this moment because of described UE,, the Target cell that this moment, UE can directly indicate at described redirection information need not to read again the system information of described Target cell so making a call, owing to avoided the process of read system information, thereby described UE can effectively shorten to call out when making a call and delays; It should be noted that, the prior art of information extraction from message at present is comparative maturity, thereby UE described in the present embodiment extracts redirection information and Target cell from refuse information system information also can adopt multiple mode of the prior art, do not repeat them here.
In addition, it should be noted that present embodiment 1 can also comprise step how to determine that described UE is redirected at step 101RNC before UE sends RRCConnection Reiect message:
As shown in Figure 2, comprised that before step 101 step 101A:RNC is after receiving the RRC Connection Request message that UE initiates, judge reason for call according to Request message, if this reason for call shows current business and is fit to adopt the 2G network carrying, for example reason for call is Original/Terminated Conversational Call (a calling/called session service), can judge that then the business that UE initiates is speech business, this moment, described RNC got final product execution in step 101 to initiating refuse information; Otherwise indication UE makes a call in current 3G network sub-district; Perhaps,
As shown in Figure 3, comprised before step 101 step 101B:RNC after receiving the RRC Connection Request message that UE initiates, judges whether current 3G network is congested, if (for example peak traffic constantly), then execution in step 101; Otherwise indication UE makes a call in current 3G network sub-district.
Be redirected with the UE under the different situations respectively below that to be example be described in detail the method for the foregoing description; The embodiment of the invention 2 as shown in Figure 4:
S401:UE initiates RRC Connection Request to RNC;
After S402:RNC receives the RRC Connection Request message that UE initiates, judge the reason for call of the request of initiation, if this reason for call is Original/Terminated ConversationalCall, execution in step S403 then; Otherwise, execution in step S406;
S403:RNC sends the RRC Connection Reject message that comprises redirection information and SI to UE;
S404:UE therefrom extracts described redirection information and SI after receiving described Reject message;
S405:UE makes a call at described Target cell according to the described redirection information and the SI that extract;
S406:RNC indicates described UE to make a call in current 3G network sub-district.
The embodiment of the invention 3 as shown in Figure 5:
S501:UE initiates RRC Connection Request to RNC;
After S502:RNC receives the RRC Connection Request message of UE initiation, if this current 3G network is in the peak traffic moment, then execution in step S503; Otherwise, execution in step S505;
S503:RNC sends the RRC Connection Reject message that comprises redirection information and PSI to UE;
S504:UE therefrom extracts described redirection information and PSI after receiving described Reject message;
S506:UE makes a call according to the described redirection information and the PSI that extract;
S507:RNC indicates described UE to make a call in current 3G network sub-district.
As can be seen, adopt the method for the embodiment of the invention, by in the RRCConnection Reject message that UE sends, carrying redirected target cell system information at RNC, make UE can utilize that extraction system information makes a call from the described Reject message that receives, thereby avoided before Target cell makes a call, reading the process of its system information, make UE to make a call at objective network as soon as possible, and then can shorten UE greatly and delay in the calling that Target cell makes a call again.
Based on above-mentioned thought, the embodiment of the invention 4 has proposed a kind of Wi-Fi controller again, comprising: adding device and transmitting element; Wherein, described transmitting element is used for sending Radio Resource control connection refuse information to UE; The refuse information that described adding device is used for sending at described transmitting element increases the system information of redirection information with the Target cell that is redirected to of UE.
Preferably, the target cell system information of described adding device increase is gsm system information or GPRS packet system information.
In addition, described Wi-Fi controller also comprises: receiving element and judging unit; Wherein,
Described receiving element is used to receive the wireless resource control connection request message that UE initiates;
Described judging unit is used for after described receiving element receives described request message, judges whether the call business of current initiation request is fit to adopt the 3G network carrying, if not, then notifies described transmitting element and adding device; Perhaps, after described receiving element receives described request message, judge whether current 3G network is congested, if then notify described transmitting element and adding device.
The embodiment of the invention 5 relates to a kind of terminal equipment, comprising: receiver module, extraction module and calling module; Wherein, described receiver module is used to receive the Radio Resource control connection refuse information that comprises redirection information and target cell system information that network side sends over;
Described extraction module is used for extracting described redirection information and target cell system information from the described refuse information that described receiver module receives, and passes to described calling module;
Described calling module makes a call at Target cell according to the information of described extraction module transmission.
Certainly, embodiment 6 as shown in Figure 6, the terminal equipment 602 in the foregoing description 4 among Wi-Fi controller 601 and the embodiment 5 can constitute the system that realizes that UE is redirected in the specific implementation; Wherein, user terminal during described concrete implement also comprises the various unit described in the foregoing description 5 when comprising each parts that domestic consumer's terminal is comprised; and the Wi-Fi controller during described concrete implement also comprises the various unit described in the foregoing description 4 when comprising each parts that common Wi-Fi controller is comprised; the system that also promptly comprises Wi-Fi controller in the various embodiments described above and terminal equipment also should be included within the scope that the present invention protects; but be not limited thereto, do not repeat them here.
It will be understood by those skilled in the art that and to use many different technologies and in the technology any one to come expression information, message and signal.For example, the message of mentioning in the above-mentioned explanation, information can be expressed as voltage, electric current, electromagnetic wave, magnetic field or magnetic particle, light field or above combination in any.
The professional can also further should be able to recognize, the unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in the above description.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each specific should being used for, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
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 (12)
1. a method that realizes that UE is redirected is characterized in that, comprising:
A, RNC send Radio Resource control connection refuse information to UE, comprise the system information of redirection information and Target cell in the described refuse information at least;
B, UE extract the system information of described redirection information and Target cell from described refuse information, make a call at described Target cell.
2. method according to claim 1 is characterized in that:
The system information of described Target cell is a gsm system information.
3. method according to claim 2 is characterized in that:
The system information of described Target cell is the GPRS packet system information.
4. according to any described method of claim 1 to 3, it is characterized in that:
The system information of described Target cell is contained in the described redirection information.
5. according to any described method of claim 1 to 3, it is characterized in that:
The system information of described Target cell is contained in the described redirection information in the target cell information.
6. according to any described method of claim 1 to 3, it is characterized in that, also comprise before the described steps A:
RNC judges whether the call business of current initiation request is fit to adopt the 3G network carrying after receiving the wireless resource control connection request message that UE initiates, if not, and execution in step A then.
7. according to any described method of claim 1 to 3, it is characterized in that, also comprise before the described steps A:
RNC judges whether current 3G network is congested after receiving the wireless resource control connection request message that UE initiates, if, execution in step A then.
8. a Wi-Fi controller is characterized in that, comprising: adding device and transmitting element; Wherein, described transmitting element is used for sending Radio Resource control connection refuse information to UE;
The refuse information that described adding device is used for sending at described transmitting element increases the system information of redirection information with the Target cell that is redirected to of UE.
9. Wi-Fi controller according to claim 8 is characterized in that:
The system information of the Target cell that described adding device increases is gsm system information or GPRS packet system information.
10. according to Claim 8 or 9 described Wi-Fi controllers, it is characterized in that, also comprise: receiving element and judging unit; Wherein,
Described receiving element is used to receive the wireless resource control connection request message that UE initiates;
Described judging unit is used for after described receiving element receives described request message, judges whether the call business of current initiation request is fit to adopt the 3G network carrying, if not, then notifies described transmitting element and adding device; Perhaps,
After described receiving element receives described request message, judge whether current 3G network is congested, if then notify described transmitting element and adding device.
11. a terminal equipment is characterized in that, comprising: receiver module, extraction module and calling module; Wherein,
Described receiver module is used to receive the Radio Resource control connection refuse information that comprises redirection information and target cell system information that network side sends over;
Described extraction module is used for extracting described redirection information and target cell system information from the described refuse information that described receiver module receives, and passes to described calling module;
Described calling module makes a call at Target cell according to the information of described extraction module transmission.
12. a system that realizes that UE is redirected comprises RNC and UE, it is characterized in that:
Described RNC comprises the transmitting element that sends Radio Resource control connection refuse information to UE, and increases the redirection information of UE and the adding device of the target cell system information that is redirected in the refuse information that described transmitting element sends;
Described UE comprises the receiver module that receives the described refuse information that RNC sends, extract described redirection information and target cell system information from described refuse information and pass to the extraction module of calling module and the calling module that makes a call at Target cell according to the information of described extraction unit transmission.
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| CN200910081443A CN101860939A (en) | 2009-04-07 | 2009-04-07 | Method, device and system for implementing UE redirection |
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| CN200910081443A CN101860939A (en) | 2009-04-07 | 2009-04-07 | Method, device and system for implementing UE redirection |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892081A (en) * | 2011-07-22 | 2013-01-23 | 华为技术有限公司 | Service redirection method, UE (user equipment), access network node and system |
| CN102892179A (en) * | 2011-07-22 | 2013-01-23 | 中兴通讯股份有限公司 | Load control method and device for radio access network |
| CN105636135A (en) * | 2011-07-05 | 2016-06-01 | 联发科技股份有限公司 | System and method for indicating local ip access support via nas signaling |
| WO2017201720A1 (en) * | 2016-05-26 | 2017-11-30 | 华为技术有限公司 | Transmission method for system message, and related device and communication system |
| CN110213838A (en) * | 2019-04-15 | 2019-09-06 | 深圳市万普拉斯科技有限公司 | Method for connecting network, device, computer equipment and storage medium |
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2009
- 2009-04-07 CN CN200910081443A patent/CN101860939A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105636135A (en) * | 2011-07-05 | 2016-06-01 | 联发科技股份有限公司 | System and method for indicating local ip access support via nas signaling |
| CN102892081A (en) * | 2011-07-22 | 2013-01-23 | 华为技术有限公司 | Service redirection method, UE (user equipment), access network node and system |
| CN102892179A (en) * | 2011-07-22 | 2013-01-23 | 中兴通讯股份有限公司 | Load control method and device for radio access network |
| CN102892081B (en) * | 2011-07-22 | 2015-07-08 | 华为技术有限公司 | Service redirection method, UE (user equipment), access network node and system |
| WO2017201720A1 (en) * | 2016-05-26 | 2017-11-30 | 华为技术有限公司 | Transmission method for system message, and related device and communication system |
| US11184928B2 (en) | 2016-05-26 | 2021-11-23 | Huawei Technologies Co., Ltd. | System message transmission method, related device, and communications system |
| CN110213838A (en) * | 2019-04-15 | 2019-09-06 | 深圳市万普拉斯科技有限公司 | Method for connecting network, device, computer equipment and storage medium |
| CN110213838B (en) * | 2019-04-15 | 2021-06-29 | 深圳市万普拉斯科技有限公司 | Network connection method, device, computer equipment and storage medium |
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