CN104427580A - Network searching method of LTE terminal, and LTE terminal - Google Patents
Network searching method of LTE terminal, and LTE terminal Download PDFInfo
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- CN104427580A CN104427580A CN201310382775.5A CN201310382775A CN104427580A CN 104427580 A CN104427580 A CN 104427580A CN 201310382775 A CN201310382775 A CN 201310382775A CN 104427580 A CN104427580 A CN 104427580A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The invention brings forwards a network searching method of an LTE terminal, and an LTE terminal. The method comprises the following steps: an LTE terminal not registering an LTE network scanning surrounding PANs capable of using the LTE terminal, and applying for adding to one of the PANs; after the LTE terminal is successfully added to one PAN, requesting any one LTE terminal already registering the LTE network in the PAN to forward the frequency information of an adjacent cell of the LTE network, and receiving the frequency information of the adjacent cell of the LTE network, sent by the LTE terminal already registering the LTE network; and according to the frequency information of the adjacent cell, searching for the LTE network. According to the invention, the network searching time is greatly shortened.
Description
Technical field
The invention belongs to field of mobile terminals, particularly relate to a kind of method for searching network and LTE terminal of LTE terminal.
Background technology
At present, 3GPP(3rd Generation Partnership Project, third generation partner program) specification twenties LTE(Long Term Evolution, Long Term Evolution) FDD(Frequency Division Duplexing, Frequency Division Duplexing (FDD)) frequency range and tens LTETDD frequency ranges, LTE terminal chip can support at least 6 LTE frequency ranges at present simultaneously.When the rear initial network selection of LTE terminal start, as international roaming is started shooting for the first time, and when terminal is without any LTE network cell information, LTE terminal will according to its ability scanning E-UTRAN(Evolved Universal Terrestrial Radio Access Network, the universal land radio access web of evolution) whole radio-frequency channels of frequency range, to find an applicable community.In each carrier frequency, LTE terminal only needs to search for the strongest community.Once find applicable community, just select this community.
Due to the whole bandwidth scanning whole LTE frequency ranges that LTE terminal is supported may be needed just to search first applicable community, whole search procedure may be consuming time very long.
The approach shortening whole search procedure reduces the LTE frequency range needing scanning as far as possible, or reduce the bandwidth needing scanning, or both reduced the LTE frequency band needing scanning, reduces again the bandwidth needing scanning.
Summary of the invention
In view of more than, the present invention proposes a kind of method for searching network and LTE terminal of LTE terminal, may very long problem consuming time to solve search procedure.
According to an aspect of the present invention, propose a kind of method for searching network of LTE terminal, comprising: PAN(territory net of available LTE terminal around the LTE terminal scanning of unregistered LTE network) network, and application adds one of them PAN network; After successfully adding a PAN network, the LTE terminal request forward LTE network adjacent cell frequency information of any one registered LTE network in PAN network, and the adjacent cell frequency information receiving the LTE network of the LTE terminal transmission of registered LTE network; According to adjacent cell frequency information search LTE network.
Preferably, by the self-organizing module construction PAN network of two or more LTE terminal, PAN network comprises PAN network coordinator and coordinator node, wherein, the self-organizing module of the terminal of registered LTE network serves as PAN network coordinator, and the self-organizing module of other LTE terminal adds network as coordinator node.
Preferably, PAN network coordinator is set up and is safeguarded PAN network, periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, joining request of process coordinator node, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.
Preferably, the coordinator node periodic broadcasting beacon frame of the LTE terminal of registered LTE network, the coordinator node adding this network for the coordinator node in PAN network and hope provides time synchronized benchmark, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.
Preferably, the self-organizing module of the LTE terminal of registered LTE network can take over the coordinator node of current PAN network, or, use different PAN identifiers to set up another PAN network as PAN network coordinator.
Preferably, the coordinator node of the LTE terminal of unregistered LTE network receives the beacon of place PAN network, and utilize beacon frame to set up synchronous with the coordinator node of PAN network, send LTE network adjacent cell frequency information request message to the PAN network coordinator in PAN network or coordinator node, receive the LTE network adjacent cell frequency information of PAN network coordinator or coordinator node transmission.
According to a further aspect of the invention, also propose a kind of LTE terminal, comprising: self-organizing module, be configured at the PAN network of available LTE terminal around scanning, and application adds one of them PAN network, or the PAN network that establishment one is new; Adjacent cell frequency information administration module, be configured at after successfully adding a PAN network, the LTE terminal request forward LTE network adjacent cell frequency information of any one registered LTE network in PAN network, and receive the adjacent cell frequency information of the LTE network of the LTE terminal transmission of registered LTE network, or received the request of the LTE terminal of unregistered LTE network by self-organizing module, and asked LTE network adjacent cell frequency information is sent to requesting party by self-organizing module; Adjacent cell frequency information memory module, is configured at the adjacent cell frequency information storing LTE network; LET network search module, is configured at according to adjacent cell frequency information search LTE network.
Preferably, by the self-organizing module construction PAN network of two or more LTE terminal, PAN network comprises PAN network coordinator and coordinator node, wherein, the self-organizing module of the terminal of registered LTE network serves as PAN network coordinator, and the self-organizing module of other LTE terminal adds network as coordinator node.
Preferably, PAN network coordinator is set up and is safeguarded PAN network, periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, joining request of process coordinator node, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.
Preferably, the coordinator node periodic broadcasting beacon frame of the LTE terminal of registered LTE network, the coordinator node adding this network for the coordinator node in PAN network and hope provides time synchronized benchmark, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.
Preferably, the self-organizing module of the LTE terminal of registered LTE network can take over current PAN network coordinator, or, use different PAN identifiers to set up another PAN network as PAN network coordinator.
Preferably, the coordinator node of the LTE terminal of unregistered LTE network receives the beacon of place PAN network, and utilize beacon frame to set up synchronous with the coordinator node of PAN network, send LTE network adjacent cell frequency information request message to the PAN network coordinator in PAN network or coordinator node, receive the LTE network adjacent cell frequency information of PAN network coordinator or coordinator node transmission.
The present invention utilizes the LTE terminal of registered LTE network by the LTE terminal of the PAN network between LTE terminal to unregistered LTE network, forward the adjacent cell frequency information from LTE network, so that the LTE terminal of unregistered LTE network can scan the whole bandwidth of whole LTE frequency bands that LTE terminal is supported, but direct search LTE network adjacent cell frequency, thus greatly shorten whole search procedure, realize the object of searching net fast.
The present invention can be applied to the first network selection of LTE terminal, greatly shortens the first network selection time.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Figure 1 shows that the structural representation of a kind of LTE terminal in one embodiment of the invention.
Figure 2 shows that the structural representation of PAN network in the present invention.
Figure 3 shows that the LTE terminal of registered LTE network in the present invention as server in PAN network, for the client of the also LTE terminal of unregistered LTE network provides service.
Figure 4 shows that the schematic flow sheet of the method for searching network of a kind of LTE terminal in one embodiment of the invention.
Embodiment
Various exemplary embodiment of the present invention is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise the positioned opposite and numerical value of the parts of setting forth in these embodiments and step does not limit the scope of the invention.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Figure 1 shows that the structural representation of a kind of LTE terminal in one embodiment of the invention.This LTE terminal comprises self-organizing module, adjacent cell frequency information administration module, adjacent cell frequency information memory module, LET network search module, mobile terminal baseband and mobile terminal radio frequency.
Self-organizing module, is configured at the PAN(Personal Area Network of available LTE terminal around scanning, individual territory net) network, and application adds one of them PAN network, or the PAN network that establishment one is new.
Adjacent cell frequency information administration module, be configured at after successfully adding a PAN network, the LTE terminal request forward LTE network adjacent cell frequency information of any one registered LTE network in PAN network, and receive the adjacent cell frequency information of the LTE network of the LTE terminal transmission of registered LTE network, or received the request of the LTE terminal of unregistered LTE network by self-organizing module, and asked LTE network adjacent cell frequency information is sent to requesting party by self-organizing module.
Adjacent cell frequency information memory module, is configured at the adjacent cell frequency information storing LTE network.
LET network search module, is configured at according to adjacent cell frequency information search LTE network.
Figure 2 shows that the structural representation of PAN network in the present invention.
Figure 3 shows that the LTE terminal of registered LTE network in the present invention as server in PAN network, for the client of the also LTE terminal of unregistered LTE network provides service.
A netted PAN network is built, the PAN network namely between LTE terminal by the self-organizing module (such as Zigbee module) of two or more LTE terminal.The self-organizing module of the LTE terminal of a registered LTE network serves as PAN network coordinator, and the self-organizing module of other LTE terminal adds network as coordinator node.Self-organizing module in each LTE terminal is full-function device (FFD), as PAN network coordinator or coordinator node, also can provide synchronous service for other coordinator node.
Wherein, PAN network comprises PAN network coordinator and coordinator node, the LTE terminal of unregistered LTE network can to the coordinator node request forward LTE network adjacent cell frequency information of the LTE terminal of PAN network coordinator or registered LTE network, and the adjacent cell frequency information of LTE network that the coordinator node receiving the LTE terminal of PAN network coordinator or registered LTE network sends.
PAN network coordinator is responsible for setting up and is safeguarded PAN network, periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, joining request of process coordinator node, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.In self-organizing network, have two kinds of transmission modes, synchronous transfer module (beacon mode) and asynchronous transfer mode (non-beacon mode), the present invention adopts synchronous transfer module.In data synchronous transmission network network, need a synchronizing signal so that the transmission in network and reception are based upon on same reference time benchmark, one of effect of beacon frame is to provide reference time benchmark.Beacon signal is sent by broadcast channel by coordinator node.The effect of beacon comprises: the equipment of synchronous attachment, identifies PAN network, describes the structure of superframe.
The effect of the coordinator node of the LTE terminal of registered LTE network comprises: periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.The self-organizing module of the LTE terminal of registered LTE network can take over current PAN network coordinator, also different PAN identifiers can be used to set up another PAN network as PAN network coordinator.
The effect of the coordinator node of the LTE terminal of unregistered LTE network comprises: the beacon receiving place PAN network, and utilize beacon frame to set up synchronous with PAN network coordinator, send LTE network adjacent cell frequency information request message to the coordinator node of the LTE terminal of the PAN network coordinator in PAN network or registered LTE network, the LTE network adjacent cell frequency information that the coordinator node receiving the LTE terminal of PAN network coordinator or registered LTE network sends.The coordinator node of the LTE terminal of unregistered LTE network is after adding PAN network, periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, but can not provide LTE network adjacent cell frequency information for other coordinator node.
In one embodiment of the invention, the process building PAN network is described.
In performance scope in one's power, the coordinator node of PAN network is not found when the self-organizing module (such as Zigbee module) of the LTE terminal of a registered LTE network scans PAN network channel, or find that the coordinator node but be rejected of PAN network adds, then the self-organizing module of LTE terminal starts the process of establishing of a PAN network.First, the self-organizing module scans PAN network channel of LTE terminal to find an idle channel, for setting up new PAN network.Then, select 16 PAN identifiers that unique in this idle channel, be used for identifying the whole PAN network being about to set up.Then, 16 network addresss that selection one is unique in whole PAN network are as the network address of PAN network coordinator.Finally, the Network finding that beacon signal is used for other coordinator node is sent.
After building PAN network, the self-organizing module of this LTE terminal receives new coordinator node and adds its PAN network set up.When receiving from when newly adding the request of coordinator node, send LTE network adjacent cell frequency information to this node.When the nodes of PAN network reaches maximum-norm (theoretical value is 255), if receive new joining request, respond this request and state that cannot accept it adds.
The self-organizing module of this LTE terminal by periodic broadcasting beacon frame for the coordinator node in PAN network provides time synchronized benchmark.
If another PAN network coordinator scans the channel that this PAN network coordinator uses, this PAN network coordinator will respond and state its existence.Because a channel can not be used with region by two PAN networks, otherwise can cause mutual interference simultaneously.
After the self-organizing module of the LTE terminal of registered LTE network adds the PAN network that this LTE terminal sets up, be other coordinator node in PAN network and the self-organizing module with time synchronous base of wishing to add the LTE terminal of this PAN network by periodic broadcasting beacon frame, receive and added this PAN network but the application of the self-organizing module of the LTE terminal of unregistered LTE network, for it provides LTE network adjacent cell frequency information.
The self-organizing module of the LTE terminal of unregistered LTE network sends to the self-organizing module of the LTE terminal of the highest registered LTE network of received signal level in PAN network the request obtaining LTE network adjacent cell frequency information, once request is confirmed, between two LTE terminal, just establish C/S(client/server based on PAN network) connect.If due to the mobility of LTE terminal, or cause request to can not get confirming due to the change of wireless transmission environments, or although request obtains confirmation, but the bust this of LTE network adjacent cell frequency information, the self-organizing module of the LTE terminal of unregistered LTE network sends turning to the self-organizing module of the LTE terminal of other registered LTE network that current Received Signal level is the highest in PAN network the request obtaining LTE network adjacent cell frequency information.
The self-organizing module of the LTE terminal of unregistered LTE network is at acquisition LTE network adjacent cell frequency information and after successful registration LTE network, its LTE terminal can as server for the client of the LTE terminal of other unregistered LTE network provides service.
In one embodiment of the invention, the process adding one of them PAN network is described.
By the available LTE terminal PAN network in scan channel search performance in one's power scope.Start association process and add this PAN network (association process, with reference to IEEE802.15.4 protocol specification, when each coordinator node adds PAN network, all needs to start association process).When losing synchronous with PAN network, starting isolated regrouping process and rejoining this PAN network (isolated regrouping process is with reference to IEEE802.15.4 protocol specification).When the last layer of an equipment sends data to media access control sublayer request, but when constantly receiving communication disruption message, the last layer of equipment will think that it has been isolated.The regrouping process of isolated equipment or startup allocated channel, or perform association process.
The step of association process is as follows: 1) last layer of equipment sends association request to media access control sublayer, require to comprise PHY and the MAC PIB property value that configuration association needs: phyCurrentChannel, phyCurrentPage, macPANId, macCoordExtendedAddress or macCoordShortAddress; 2) media access control sublayer of equipment sends association request command to coordinator node; 3) whether the coordinator node receiving request indicates the order of its media access control sublayer transmission associated response to the equipment of request association, indicate association successful, if success, can comprise the short address that coordinator node is the equipment distribution of request in associated response order; 4) short address received is kept in macShortAddress by equipment.
The present invention utilizes the LTE terminal of registered LTE network by the PAN(Personal Area Network between LTE terminal, individual territory net) network is to the LTE terminal of unregistered LTE network, forward the adjacent cell frequency information from LTE network, so that the LTE terminal of unregistered LTE network can scan the whole bandwidth of whole LTE frequency bands that LTE terminal is supported, but direct search LTE network adjacent cell frequency, thus greatly shorten whole search procedure, realize the object of searching net fast.
The present invention can be applied to the first network selection of LTE terminal, greatly shortens the first network selection time.
Figure 4 shows that the schematic flow sheet of the method for searching network of a kind of LTE terminal in one embodiment of the invention.The method comprises the following steps:
Step 41, the PAN network of available LTE terminal around the LTE terminal scanning of unregistered LTE network, and application adds one of them PAN network.
Step 42, after successfully adding a PAN network, the LTE terminal request forward LTE network adjacent cell frequency information of any one registered LTE network in PAN network, and the adjacent cell frequency information receiving the LTE network of the LTE terminal transmission of registered LTE network.
Step 43, according to adjacent cell frequency information search LTE network.
Wherein, PAN network comprises PAN network coordinator and coordinator node, the LTE terminal of unregistered LTE network to PAN network coordinator or coordinator node request forward LTE network adjacent cell frequency information, and can receive the adjacent cell frequency information of the LTE network of PAN network coordinator or coordinator node transmission.
PAN network coordinator is responsible for setting up and is safeguarded PAN network, periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, joining request of process coordinator node, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.In self-organizing network, have two kinds of transmission modes, synchronous transfer module (beacon mode) and asynchronous transfer mode (non-beacon mode), the present invention adopts synchronous transfer module.In data synchronous transmission network network, need a synchronizing signal so that the transmission in network and reception are based upon on same reference time benchmark, one of effect of beacon frame is to provide reference time benchmark.Beacon signal is sent by broadcast channel by coordinator node.The effect of beacon comprises: the equipment of synchronous attachment, identifies PAN network, describes the structure of superframe.
The effect of the coordinator node of the LTE terminal of registered LTE network comprises: periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.The coordinator node of the LTE terminal of registered LTE network can take over current PAN network coordinator, also different PAN identifiers can be used to set up another PAN network as PAN network coordinator.
The effect of the coordinator node of the LTE terminal of unregistered LTE network comprises: the beacon receiving place PAN network, and utilize beacon frame to set up synchronous with PAN network coordinator, send LTE network adjacent cell frequency information request message to the PAN network coordinator in PAN network or coordinator node, receive the LTE network adjacent cell frequency information of PAN network coordinator or coordinator node transmission.The coordinator node of the LTE terminal of unregistered LTE network is after adding PAN network, periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, but can not provide LTE network adjacent cell frequency information for other coordinator node.
In one embodiment of the invention, the process building PAN network is described.
In performance scope in one's power, the coordinator node of PAN network is not found when the self-organizing module (such as Zigbee module) of the LTE terminal of a registered LTE network scans PAN network channel, or find that the coordinator node but be rejected of PAN network adds, then the self-organizing module of LTE terminal starts the process of establishing of a PAN network.First, the self-organizing module scans PAN network channel of LTE terminal to find an idle channel, for setting up new PAN network.Then, select 16 PAN identifiers that unique in this idle channel, be used for identifying the whole PAN network being about to set up.Then, 16 network addresss that selection one is unique in whole PAN network are as the network address of PAN network coordinator.Finally, the Network finding that beacon signal is used for other coordinator node is sent.
After building PAN network, the self-organizing module of this LTE terminal receives new coordinator node and adds its PAN network set up.When receiving from when newly adding the request of coordinator node, send LTE network adjacent cell frequency information to this node.When the nodes of PAN network reaches maximum-norm (theoretical value is 255), if receive new joining request, respond this request and state that cannot accept it adds.
The self-organizing module of this LTE terminal by periodic broadcasting beacon frame for the coordinator node in PAN network provides time synchronized benchmark.
If another PAN network coordinator scans the channel that this PAN network coordinator uses, this PAN network coordinator will respond and state its existence.Because a channel by two PAN Web vector graphic, otherwise can not can cause mutual interference.
In one embodiment of the invention, the process adding one of them PAN network is described.
By the available LTE terminal PAN network in scan channel search performance in one's power scope.Start association process and add this PAN network (association process is IEEE802.15.4 protocol specification, when each terminal equipment adds PAN network, all needs to start association process).When losing synchronous with PAN network, starting isolated regrouping process and rejoining this PAN network (isolated regrouping process is IEEE802.15.4 protocol specification).When the last layer of an equipment sends data to media access control sublayer request, but when constantly receiving communication disruption message, the last layer of equipment will think that it has been isolated.The regrouping process of isolated equipment or startup allocated channel, or perform association process.
The step of association process is as follows:
1) last layer of equipment sends association request to media access control sublayer, require to comprise PHY and the MAC PIB property value that configuration association needs: phyCurrentChannel, phyCurrentPage, macPANId, macCoordExtendedAddress or macCoordShortAddress;
2) media access control sublayer of equipment sends association request command to coordinator node;
3) whether the coordinator node receiving request indicates the order of its media access control sublayer transmission associated response to the equipment of request association, indicate association successful, if success, can comprise the short address that coordinator node is the equipment distribution of request in associated response order;
4) short address received is kept in macShortAddress by equipment.
The present invention utilizes the LTE terminal of registered LTE network by the LTE terminal of the PAN network between LTE terminal to unregistered LTE network, forward the adjacent cell frequency information from LTE network, so that the LTE terminal of unregistered LTE network can scan the whole bandwidth of whole LTE frequency bands that LTE terminal is supported, but direct search LTE network adjacent cell frequency, thus greatly shorten whole search procedure, realize the object of searching net fast.
The present invention can be applied to the first network selection of LTE terminal, greatly shortens the first network selection time.
So far, the present invention is described in detail.In order to avoid covering design of the present invention, details more known in the field are not described.Those skilled in the art, according to description above, can understand how to implement technical scheme disclosed herein completely.
Method of the present invention and device may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method of the present invention and device.Said sequence for the step of described method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.
Although be described in detail specific embodiments more of the present invention by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (12)
1. a method for searching network for LTE terminal, is characterized in that:
PAN(territory net of available LTE terminal around the LTE terminal scanning of unregistered LTE network) network, and application adds one of them PAN network;
After successfully adding a PAN network, the LTE terminal request forward LTE network adjacent cell frequency information of any one registered LTE network in PAN network, and the adjacent cell frequency information receiving the LTE network of the LTE terminal transmission of registered LTE network;
According to adjacent cell frequency information search LTE network.
2. the method for searching network of LTE terminal according to claim 1, is characterized in that:
By the self-organizing module construction PAN network of two or more LTE terminal, PAN network comprises PAN network coordinator and coordinator node, wherein, the self-organizing module of the terminal of registered LTE network serves as PAN network coordinator, and the self-organizing module of other LTE terminal adds network as coordinator node.
3. the method for searching network of LTE terminal according to claim 2, is characterized in that:
PAN network coordinator is set up and is safeguarded PAN network, periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, joining request of process coordinator node, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.
4. the method for searching network of LTE terminal according to claim 2, is characterized in that:
The coordinator node periodic broadcasting beacon frame of the LTE terminal of registered LTE network, the coordinator node adding this network for the coordinator node in PAN network and hope provides time synchronized benchmark, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.
5. the method for searching network of LTE terminal according to claim 4, is characterized in that:
The self-organizing module of the LTE terminal of registered LTE network can take over the coordinator node of current PAN network, or, use different PAN identifiers to set up another PAN network as PAN network coordinator.
6. the method for searching network of LTE terminal according to claim 2, is characterized in that:
The coordinator node of the LTE terminal of unregistered LTE network receives the beacon of place PAN network, and utilize beacon frame to set up synchronous with the coordinator node of PAN network, send LTE network adjacent cell frequency information request message to the PAN network coordinator in PAN network or coordinator node, receive the LTE network adjacent cell frequency information of PAN network coordinator or coordinator node transmission.
7. a LTE terminal, is characterized in that:
Self-organizing module, is configured at the PAN network of available LTE terminal around scanning, and application adds one of them PAN network, or the PAN network that establishment one is new;
Adjacent cell frequency information administration module, be configured at after successfully adding a PAN network, the LTE terminal request forward LTE network adjacent cell frequency information of any one registered LTE network in PAN network, and receive the adjacent cell frequency information of the LTE network of the LTE terminal transmission of registered LTE network, or received the request of the LTE terminal of unregistered LTE network by self-organizing module, and asked LTE network adjacent cell frequency information is sent to requesting party by self-organizing module;
Adjacent cell frequency information memory module, is configured at the adjacent cell frequency information storing LTE network;
LET network search module, is configured at according to adjacent cell frequency information search LTE network.
8. LTE terminal according to claim 7, is characterized in that:
By the self-organizing module construction PAN network of two or more LTE terminal, PAN network comprises PAN network coordinator and coordinator node, wherein, the self-organizing module of the terminal of registered LTE network serves as PAN network coordinator, and the self-organizing module of other LTE terminal adds network as coordinator node.
9. LTE terminal according to claim 8, is characterized in that:
PAN network coordinator is set up and is safeguarded PAN network, periodic broadcasting beacon frame is for the coordinator node in PAN network and wish that the coordinator node adding this network provides time synchronized benchmark, joining request of process coordinator node, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.
10. LTE terminal according to claim 8, is characterized in that:
The coordinator node periodic broadcasting beacon frame of the LTE terminal of registered LTE network, the coordinator node adding this network for the coordinator node in PAN network and hope provides time synchronized benchmark, receive the request from the coordinator node newly adding PAN network, and send LTE network adjacent cell frequency information to the coordinator node sending request.
11. LTE terminal according to claim 10, is characterized in that:
The self-organizing module of the LTE terminal of registered LTE network can take over current PAN network coordinator, or, use different PAN identifiers to set up another PAN network as PAN network coordinator.
12. LTE terminal according to claim 8, is characterized in that:
The coordinator node of the LTE terminal of unregistered LTE network receives the beacon of place PAN network, and utilize beacon frame to set up synchronous with the coordinator node of PAN network, send LTE network adjacent cell frequency information request message to the PAN network coordinator in PAN network or coordinator node, receive the LTE network adjacent cell frequency information of PAN network coordinator or coordinator node transmission.
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