CN101232628B - Method and customer equipment for searching network - Google Patents
Method and customer equipment for searching network Download PDFInfo
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- CN101232628B CN101232628B CN 200710000377 CN200710000377A CN101232628B CN 101232628 B CN101232628 B CN 101232628B CN 200710000377 CN200710000377 CN 200710000377 CN 200710000377 A CN200710000377 A CN 200710000377A CN 101232628 B CN101232628 B CN 101232628B
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Abstract
The invention discloses a network search method; the method comprises: User devices acquire basic configuration information from the second network in the first network; the invention can search the second network through gaining basic configuration information of the second network. Corresponding to the method, the invention also provides a user device in the search network, and the device comprises an acquisition unit, a storage unit and a search unit. The acquisition unit acquires basic configuration information from the second network in the first network; the storage unit is used for storing the basic configuration information acquired by the acquisition unit; the search unit searches the second network through acquiring basic configuration information in the second network.
Description
Technical field
The present invention relates to the method and the subscriber equipment that is used for Network Search of two Network Search work, relate in particular to the method and the subscriber equipment that is used for Network Search of the Network Search of up in the multicast service, descending two networks.
Background technology
Since 2004, the 3G take carrying high-speed multimedia business as characteristics has welcome upsurge in construction in the whole world.The development of mobile communication and broadcast technology has stimulated the market demand of mobile multi-media service, otherwise the huge market space also urgees to have given birth to the general layout that many technical systems are let a hundred schools contend.
MBMS (Multimedia Broadcast/Multicast Service, multicast) business is one of important content of 3GPP (the 3rd Generation Partner Project third generation partner program) business development.MBMS refers to that mainly network side simultaneously sends to a plurality of recipients in the network to identical multi-medium data.
MBMS itself does not define special up channel, but can utilize existing ascending control channel to carry out the Service control flow processs such as service subscribing, professional addings, utilize simultaneously the realization of some interaction services that the reverse link traffic channel realization cooperates with downlink broadcast/multicast.
MBMS transmits with respect to alone family, has saved greatly interface-free resources.But because MBMS is generally used for transmission stream media service and downloading business, the data volume of transmission is very large, and professional continue chronic, can take the more communication resource, so present developing direction is to use DC (DedicatedCarrier special carrier net) to be specifically designed to the MBMS transmission business.DC uses separately the frequency band of oneself, does not use the frequency resource of UC (Unicast Carrier clean culture net), also just can the business transmission of UC not impacted.
Because from physical layer, DC uses the dedicated frequency band of oneself, discord UC shared frequency resource.DC is isolated operation, has autonomous completeness.All resources of DC all are used for downlink transfer, do not have ascending resource.The UE (User Equipment, subscriber equipment) that is just receiving service in DC can only be undertaken by the up channel of UC if need uplink.This just requires UC and DC must coordinate co-operation so, could satisfy user's demand.
But at network side, DC and UC independent operating, these two networks may belong to same operator, also may belong to different operators.Because the isolated operation of DC and UC, UC does not comprise the configuration information of DC when sending message, and UE can not obtain the situation of DC when the UC side; DC does not comprise the configuration information of corresponding UC equally when sending message, UE can not obtain the situation of UC when the DC side.For single-receiver UE, when the UE in residing in DC switches to UC, need to carry out slot synchronization, frame synchronization, measure, read broadcast message so, the steps such as RACH (Random Access Channel) access; When the UE in residing in UC switches to DC, also need to search for DC.
When single-receiver UE switched between DC and UC, its flow process was identical with the start flow process, and wherein measuring, read these two steps of broadcast message need to take a long time.And the switching flow in the reality scene often has the regular hour requirement.As the UE that resides in the DC net receives some downlink command, need to return UC and feed back, and network often required to finish feedback within the limited time; If the UE that resides in the UC net is notified, the DC service that the user subscribes to is about to issue, and UE also needs to switch within a certain period of time the DC net, receives the service of DC.If the switching between UC and the DC is consuming time oversize, can affect UE upper strata flow process, reduce user satisfaction.
Summary of the invention
The technical problem that the embodiment of the invention will solve is to improve UE switch speed between DC and UC.
For solving the problems of the technologies described above, the purpose of the embodiment of the invention is achieved through the following technical solutions:
Subscriber equipment obtains the basic configuration information of the second network that presets from first network; Basic configuration information according to the second network that obtains is searched second network.
Corresponding to the method, the embodiment of the invention also provides a kind of subscriber equipment for Network Search, and this equipment comprises: acquiring unit, memory cell, search the unit;
Acquiring unit is for the basic configuration information that obtains second network from first network;
Memory cell is used for the basic configuration information that the storage acquiring unit obtains;
Search the unit, search second network by the basic configuration information of the second network that obtains.
Above technical scheme can find out, because the embodiment of the invention has adopted when the network planning UC and DC basic configuration information all included in the basic configuration information that UE obtains.
After UE has obtained the information of map network by legacy network, so that the process of its search map network shortens greatly; Shortened the search speed to network, the speed of obtaining accordingly specific service has also just improved, thereby effectively improves user satisfaction.
Description of drawings
Fig. 1 is the first embodiment of the invention flow chart;
Fig. 2 is corresponding first and second embodiment network structure of the present invention;
Fig. 3 is the second embodiment of the invention flow chart;
Fig. 4 is the third embodiment of the invention flow chart;
Fig. 5 is corresponding the 3rd embodiment network structure of the present invention;
Fig. 6 is corresponding first embodiment of the invention equipment drawing;
Fig. 7 is second and third embodiment equipment drawing of corresponding the present invention.
Embodiment
In embodiments of the present invention, when the network planning, the message of DC or UC transmission is replenished.On the basis of the information that only sends present networks originally, increase the basic configuration information of map network.For example UE except comprising some information of UC network, has also comprised some basic configuration informations of DC network in the message of UC broadcasting in the UC net.
UC informs UE by suitable method with the configuration information of the one or more DC in the area of coverage in normal course of operation; DC informs UE by suitable method with the configuration information of the one or more UC in the area of coverage in normal course of operation.When UE switched between UC and DC, the preferential configuration information search network that obtains in advance that uses can be accelerated network insertion speed.
Below respectively embodiment of the invention method and apparatus is elaborated.
The embodiment of the invention one is the situation of UC notice DC, and flow process comprises as shown in Figure 1:
Step 101:UC sends the basic configuration information of DC by broadcasting by the zone.
Above mention MBMS itself and do not defined special up channel, only had UC and DC must coordinate co-operation, could satisfy user's demand.UC informs UE by broadcast mode with the basic configuration information of one or more DC in normal course of operation.UE obtains these configuration informations in advance, can shorten the process of search DC.If these information spinners refer to an access a layer information.
Broadcasting is mode commonly used in a kind of communication process, and broadcast message take the residential quarter as the transmission of unit period.All UE in the residential quarter can both receive and resolve.
The basic configuration information of DC described herein comprises:
1, the PLMN ID of DC (public land mobile network ID Public Land Mobile Nerwork sign) or other forms of network identity;
2, the frequency information of DC;
3, access technology and the important technological parameters of DC employing; Important technological parameters comprises that scrambler, the spreading factor of DC, transmitting coding rate, transmission block size, logic channel channel number, the quantity of transmission block, the transmission block of DC cut apart size, modulation system.
4, other relevant access information.
The configuration information that sends in this step can comprise the configuration information of one or more DC.If the overlay area of same UC comprises a plurality of DC, UC can notify all available DC configuration informations in its whole overlay area; Also can in different zones, only notify the configuration information of one or more DC nets available in the current region.As shown in Figure 2, if comprise 5 available DC in the coverage A-E of a 206UC: the corresponding 202DC2 of regional A corresponding 201DC1, regional B and 203DC3, the corresponding 203DC3 of regional C, the corresponding 203DC3 of regional D and 204DC4, the corresponding 205DC5 of regional E, 206UC can adopt two schemes:
1: the configuration information of in the whole area of coverage, notifying 5 DC;
2:a, at the configuration information of regional A notice 201DC1;
B, at the configuration information of regional B notice 202DC2,203DC3;
C, at the configuration information of regional C notice 203DC3;
D, at the configuration information of regional D notice 203DC3,204DC4;
E, at the configuration information of regional E notice 205DC5.
Take any scheme when the network planning, to preset, being located in the step 101 what adopt is first scheme, UE is in regional C, 206UC is just to the configuration information of UE notice 203DC3 so, and configuration information comprises the PLMN ID of 203DC3 or other forms of network identity, the frequency information of 203DC3, access technology and important technological parameters and some other relevant access informations that 203DC3 adopts.
Step 102:UE receives basic configuration information and the storage of DC;
According to mentioned above, 206UC notice UE's is the 203DC3 basic configuration information in the step 101.
Step 103:UE searches 203DC3 and obtains service by the basic configuration information of the 203DC3 of acquisition.
UE obtains the opportunity of DC network configuration information in the above step, can obtain in UC at UE, obtains so in advance the information of DC, can accelerate UE to the seek rate of DC in network switching process; Perhaps UE can obtain after UC roams to the DC scope, although slow with respect to the seek rate that obtains in advance before the roaming like this, with respect to the seek rate of searching flow process of prior art, remain and have great advantage.
What UC adopted in embodiment one step 101 is broadcast mode, and the mode that also can take to direct transfer is with DC configuration information notice UE.The below introduces embodiment two, referring to Fig. 2 and Fig. 3:
Step 301:UC sends the basic configuration information of DC by direct transferring by the zone.
Still take the first scheme described in the above-mentioned steps 101 in this step, suppose that UE is in regional B.206UC is to the configuration information of UE notice 202DC2 and 203DC3 so, and configuration information comprises the PLMN ID of 202DC2 and 203DC3 or other forms of network identity, the frequency information of 203DC3, access technology, important technological parameters and some other relevant access informations that 203DC3 adopts.
Because corresponding two DC among the B of UC zone, and these two DC may not belong to same operator, so further comprise the PLMN priority of DC in the DC configuration information that sends of UC.The PLMN priority configuration information of this DC presets in network planning process, and the order of its priority setting can be set according to the requirement of operator or the needs of actual conditions.Therefore the basic configuration information of the DC that UC sends in this step comprises:
1, the PLMN ID of DC or other forms of network identity;
2, the frequency information of DC;
3, access technology and the important technological parameters of DC employing; Important technological parameters comprises that scrambler, the spreading factor of DC, transmitting coding rate, transmission block size, logic channel channel number, the quantity of transmission block, the transmission block of DC cut apart size, modulation system.
4, the PLMN priority of DC;
5, other relevant access information.
Only in the zone of UC to should a plurality of DC be arranged the time, the PLMN priority parameters of DC just is predisposed in the basic configuration information that network sends.
Suppose that 202DC2 and UC are same operators, 203DC3 is another one operator, and the PLMN priority of 202DC2 will be higher than the PLMN priority of 203DC3 so.
Step 302:UE receives 202DC2 and 203DC3 basic configuration information and storage.
Step 303:UE judges 202DC2 priority and is higher than 203DC3 after obtaining the basic configuration information of DC.
Step 304: at first search 202DC2 and obtain service.
UE obtains the opportunity of DC network configuration information in the above step, can obtain in UC at UE, obtains so in advance the information of DC, can accelerate UE to the seek rate of DC in network switching process; Perhaps UE can obtain after UC roams to the DC scope, although slow with respect to the seek rate that obtains in advance before the roaming like this, with respect to the seek rate of searching flow process of prior art, remain and have great advantage.
In embodiment two, if 206UC and 202DC2 are same operators, 203DC3 and 202DC2 are not same operators, and do not reach an agreement between two operators, also may exist when UE roams among 203DC3 corresponding to C district, 206UC can't notify the basic configuration information of its place of UE 203DC3, and UE can only oneself search for 203DC3, and its flow process is identical with the start flow process.
More than two embodiment all be the basic configuration informations of the passive reception of UE DC, the basic configuration information that obtains DC that UE also can be initiatively.
For example UE initiatively sends DC info request (DC basic configuration information request message).Network responds backward UE feedback DC info response (DC basic configuration information feedback message); Include the DC basic configuration information in the DC inforesponse message.
Except UC broadcasting, direct transfer or three kinds of methods of UE request UC response, if there is MCCH (MBMS point-to-multipoint Control Channel among the UC, MBMS point-to-multipoint control channel) channel, can use the MCCH transmission, but need to send indication to UE, tell UE to go to read the DC configuration to the MCCH channel.
Corresponding DC also can be by the access layer configuration information notice UE of some mode with one or more UC in normal course of operation, and UE obtains these configuration informations in advance, can shorten the web search flow process.Referring to Fig. 4 and Fig. 5:
Step 401:DC sends the basic configuration information of UC.
The approach that DC sends the basic configuration information of UC has two kinds at least, and a kind of is that another is by the MCCH transmission by broadcasting.
The basic configuration information of UC described in this step comprises:
1, the PLMN ID of UC or other forms of network identity;
2, the frequency information of UC;
3, access technology and the important technological parameters of UC employing; Important technological parameters comprises scrambler, the spreading factor of UC, transmitting coding rate, transport block set, logic channel channel number, the modulation system of UC.
4, the PLMN priority of UC;
5, other relevant access information.
In the existing network infrastructure, had a plurality of UC, and DC belongs to newly-built network.It is generally acknowledged that DC can belong to certain operator, this operator has had certain UC.UE is certain UC of subordinate, so UE is when UC to DC, UC can allow this UE can only switch to the DC of same operator, and during DC to UC, UE may search a plurality of UC, DC operator can establish the priority of that own all UC highlyer by the PLMN priority parameters of UC, thereby guiding UE searches for first that UC that oneself runs.
Situation with UC to DC is roughly the same, and the configuration information that sends in this step can comprise the configuration information of one or more UC.If the overlay area of same DC comprises a plurality of UC, DC can notify all available UC configuration informations in its whole overlay area; Also can in different zones, only notify the configuration information of one or more UC nets available in the current region.As shown in Figure 5, if comprise 5 available UC in the coverage A-E of a 516DC: the corresponding 513UC3 of corresponding 513UC3, regional D of the corresponding 512UC2 of corresponding 511UC1, regional B of regional A zone C and 514UC4, the corresponding 515UC5 of regional E, DC can adopt two schemes:
1: the configuration information of in the whole area of coverage, notifying 5 UC;
2:a, at the configuration information of regional A notice 511UC1;
B, at the configuration information of regional B notice 512UC2;
C, at the configuration information of regional C notice 513UC3;
D, at the configuration information of regional D notice 513UC3,514UC4;
E, at the configuration information of regional E notice 515UC5.
Suppose that UE is in the D district.516DC is to the configuration information of UE notice 513UC3 and 514UC4 so, and configuration information comprises the PLMN ID of 513UC3 and 514UC4 or other forms of network identity, frequency information, access technology, important technological parameters and some other relevant access informations of employing, PLMN priority.If the PLMN priority of 513UC3 is higher than 514UC4.
Step 402:UE receives 513UC3 and 514UC4 configuration information and storage.
Step 403:UE judges 513UC3 priority and is higher than 514UC4 after obtaining the information of UC.
Step 404: at first search 513UC3 and obtain service.
UE obtains the opportunity of UC network configuration information in the above step, can obtain in DC at UE, obtains so in advance the information of UC, can accelerate UE to the seek rate of UC in network switching process; Perhaps UE can obtain after DC roams to the UC scope, although slow with respect to the seek rate that obtains in advance before the roaming like this, with respect to the seek rate of searching flow process of prior art, remain and have great advantage.
The embodiment of the invention also provides a kind of subscriber equipment for Network Search, and referring to Fig. 6, this equipment comprises: acquiring unit 601, memory cell 602, search unit 603;
Acquiring unit 601 is for the basic configuration information that obtains second network from first network;
During corresponding to the first embodiment, described first network is that UC, second network are DC;
Acquiring unit 601 is used for obtaining by receiving broadcasting the basic configuration information of DC, and the basic configuration information of this DC comprises access technology and the important technological parameters of the PLMN ID of DC or other forms of network identity, frequency information, employing;
During corresponding to the second embodiment, described first network is that UC, second network are DC; Referring to Fig. 7, this equipment comprises: acquiring unit 701, memory cell 702, judging unit 704, search unit 703;
Acquiring unit 701 is used for receiving the 206UC feedback by direct transferring or sending the request of obtaining to 206UC; Or receive that UC sends its have the information of MCCH channel, obtain the basic configuration information of 202DC2 and 203DC3 by the MCCH channel, the basic configuration information of this 202DC2 and 203DC3 comprises PLMN ID or other forms of network identity, frequency information, the access technology of employing and the PLMN priority of important technological parameters and 202DC2 and 203DC3 of 202DC2 and 203DC3.
Memory cell 702 is used for the basic configuration information of 202DC2 (02) that storage acquiring unit 701 obtains and 203DC3 (03);
Judging unit 703 is used for 202DC2 and the PLMN priority of 203DC3 by obtaining, and the high DC of judgement priority is 202DC2;
Search unit 704, be used for the judged result according to judging unit 703, at first search the high 202DC2 of PLMN priority.
And, comprise corresponding to the basic configuration information of the DC described in the subscriber equipment of first, second embodiment: access technology and the important technological parameters of the Public Land Mobile Nerwork sign of DC, frequency information, employing.
During corresponding to the 3rd embodiment, described first network is that DC, second network are UC; Referring to Fig. 7, this equipment comprises: acquiring unit 701, memory cell 702, judging unit 703, search unit 704;
Acquiring unit 701 is used for the basic configuration information of broadcasting or obtaining UC by MCCH channel mode by receiving; The basic configuration information of this UC comprises the PLMN priority of the access technology of the PLMN ID of UC or other forms of network identity, frequency information, employing and important technological parameters, UC;
Memory cell 702 is used for the basic configuration information that storage acquiring unit 701 obtains;
Judging unit 703 is used for 513UC3 and the PLMN priority of 514UC4 by obtaining, and the high UC of judgement priority is 513UC3;
Search unit 704, be used for the result according to judging unit 703 judgements, at first search the high 513UC3 of PLMN priority.
More than a kind of Network Search network method that the embodiment of the invention is provided and the subscriber equipment that is used for Network Search be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. the method for a Network Search is characterized in that, the method comprises:
Subscriber equipment obtains the basic configuration information of the second network that presets from first network; Basic configuration information according to the second network that obtains is searched second network;
Described second network is: all second networks in the whole first network coverage; Or, the second network corresponding to zone of subscriber equipment place first network;
Described first network is that clean culture net, second network are the special carrier net; Perhaps, described first network is the special carrier net, and second network is the clean culture net.
2. the method for Network Search according to claim 1 is characterized in that, when second network was the special carrier net, the method for obtaining the basic configuration information of second network was:
First network sends the basic configuration information of second network to subscriber equipment by the mode of broadcasting or direct transferring; Or subscriber equipment sends the request of obtaining to first network, and first network feeds back the basic configuration information of the special carrier net that its requirement obtains to subscriber equipment; Or first network sends the information that there is multicast service point-to-multipoint control channel in it to subscriber equipment, and subscriber equipment obtains the basic configuration information of second network by multicast service point-to-multipoint control channel.
3. the method for Network Search according to claim 1, it is characterized in that, when second network was the special carrier net, the basic configuration information of the second network that obtains comprised: the access technology of the network identity of special carrier net, frequency information, employing and important technological parameters.
4. the method for Network Search according to claim 3 is characterized in that, during the corresponding a plurality of special carrier net of clean culture web area, the special carrier net basic configuration information that subscriber equipment obtains further comprises the Public Land Mobile Nerwork priority of special carrier net; After obtaining the Public Land Mobile Nerwork priority of special carrier net, judge the highest Public Land Mobile Nerwork of priority; When searching the special carrier net, at first search the high special carrier net of Public Land Mobile Nerwork priority.
5. the method for Network Search according to claim 1 is characterized in that, when second network was the clean culture net, the method for obtaining the basic configuration information of second network was:
First network sends the basic configuration information of second network to subscriber equipment by broadcasting or multicast service point-to-multipoint control channel mode.
6. the method for Network Search according to claim 1, it is characterized in that, when second network was the clean culture net, the basic configuration information of the second network that obtains comprised: the Public Land Mobile Nerwork priority of the access technology of clean culture net network identity, frequency information, employing and important technological parameters, clean culture net;
After subscriber equipment obtains the basic configuration information of clean culture net, judge the highest Public Land Mobile Nerwork of priority, at first search the highest clean culture net of Public Land Mobile Nerwork priority.
7. subscriber equipment that is used for Network Search is characterized in that this equipment comprises: acquiring unit, memory cell, search the unit;
Acquiring unit is for the basic configuration information that obtains second network from first network; Described second network is: all second networks in the whole first network coverage; Or, the second network corresponding to zone of subscriber equipment place first network; Described first network is that clean culture net, second network are the special carrier net; Perhaps, described first network is the special carrier net, and second network is the clean culture net;
Memory cell is used for the basic configuration information that the storage acquiring unit obtains;
Search the unit, search second network by the basic configuration information of the second network that obtains.
8. the subscriber equipment for Network Search according to claim 7 is characterized in that, described first network is the clean culture net, when second network is the special carrier net,
Acquiring unit, be used for broadcasting by receiving, direct transfer, send the request of obtaining and receive the first network feedback to first network, or receive that first network sends its have the information of multicast service point-to-multipoint control channel, obtain the basic configuration information of second network by multicast service point-to-multipoint control channel.
9. the subscriber equipment for Network Search according to claim 8, it is characterized in that, described second network is the special carrier net, and the basic configuration information of described second network comprises: access technology and the technical parameter of the Public Land Mobile Nerwork sign of special carrier net, frequency information, employing.
10. according to claim 8 or 9 described subscriber equipmenies for Network Search, it is characterized in that during the corresponding a plurality of special carrier net of clean culture web area, this equipment further comprises judging unit;
Acquiring unit, the special carrier net basic configuration information that obtains comprises the Public Land Mobile Nerwork priority of special carrier net;
Judging unit is used for the Public Land Mobile Nerwork priority by the special carrier net that obtains, and judges the high special carrier net of priority;
Search the unit according to the judged result of judging unit, at first search the high special carrier net of Public Land Mobile Nerwork priority.
11. the subscriber equipment for Network Search according to claim 7 is characterized in that, described first network is the special carrier net, when second network is the clean culture net, and this equipment further comprises judging unit;
Acquiring unit is used for the basic configuration information of broadcasting or obtaining second network by multicast service point-to-multipoint control channel mode by receiving;
Judging unit is used for the Public Land Mobile Nerwork priority by the clean culture net that obtains, and judges the high clean culture net of priority;
Search the unit, be used for the judged result according to judging unit, at first search the high clean culture net of Public Land Mobile Nerwork priority.
12. the subscriber equipment for Network Search according to claim 11, it is characterized in that the basic configuration information of described second network comprises: the Public Land Mobile Nerwork priority of the access technology of the Public Land Mobile Nerwork sign of clean culture net, frequency information, employing and technical parameter, clean culture net.
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| CN 200710000377 CN101232628B (en) | 2007-01-22 | 2007-01-22 | Method and customer equipment for searching network |
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| CN1635818A (en) * | 2003-12-29 | 2005-07-06 | 华为技术有限公司 | Method for cell switching in mobile communication system |
| CN1761341A (en) * | 2004-10-13 | 2006-04-19 | 乐金电子(中国)研究开发中心有限公司 | Communication network changing method of mobile communication terminal |
| CN1852551A (en) * | 2005-05-20 | 2006-10-25 | 华为技术有限公司 | Method for realizing multi-cast business data based on mobile network |
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| CN1635818A (en) * | 2003-12-29 | 2005-07-06 | 华为技术有限公司 | Method for cell switching in mobile communication system |
| CN1761341A (en) * | 2004-10-13 | 2006-04-19 | 乐金电子(中国)研究开发中心有限公司 | Communication network changing method of mobile communication terminal |
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