CN103582083A - Method for selecting CDMA network when LTE network is shared, terminal and base station - Google Patents
Method for selecting CDMA network when LTE network is shared, terminal and base station Download PDFInfo
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- CN103582083A CN103582083A CN201210274396.XA CN201210274396A CN103582083A CN 103582083 A CN103582083 A CN 103582083A CN 201210274396 A CN201210274396 A CN 201210274396A CN 103582083 A CN103582083 A CN 103582083A
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Abstract
The invention provides a method for selecting a CDMA network when an LTE network is shared, a terminal, a base station and an MME. The method for selecting the CDMA network when the LTE network is shared comprises the steps that the terminal receives one or more LTE network messages broadcast by the LTE base station and one or more CDMA network messages related to the LTE network; the terminal selects one CDMA network message related to the selected LTE network according to the selected LTE network, and informs the LTE base station of the selected CDMA network message; or the terminal obtains the CDMA network message selected by the selected LTE network from the LTE base station. The scheme for selecting the CDMA network is provided under the situation that the LTE network is shared, and a usable or optimized CDMA network is determined when one LTE network is connected with multiple CDMA networks, so that the terminal finally has access to the proper CDMA network, and the service requirements of the terminal are met.
Description
Technical field
The present invention relates to the communications field, system of selection, terminal, base station and the Mobility Management Entity (MME) of code division multiple access (CDMA) network when relating in particular to a kind of Long Term Evolution (LTE) network and sharing.
Background technology
In Long Term Evolution (LTE) system, support different operators to share LTE Internet resources, for example, by a plurality of operators cooperation most LTE network of building together, or build separately LTE network and the LTE network of this operator is rented by other operators by one of them operator; Wherein share LTE network and can comprise LTE wireless access network, for example base station (eNodeB), and part core network element is as MME (Mobility Management Entity, Mobility Management Entity) etc., but independent the construction and operation separately such as charge system, business network.When LTE network is shared by a plurality of operators, each LTE operator may support to access one or more identical or different code division multiple accesss (CDMA) network, comprise 1xRTT (1x Radio Transmission Technology, 1x Radio Transmission Technology, be called for short 1x) network and HRPD (High Rate Packet Data, HRPD (high rate packet data)) network, but based on existing LTE-CDMA interoperability solution, LTE network only provides the information of a 1x network and/or a HRPD network in Overhead Message, so when LTE network is shared by a plurality of operators, there is obvious problem in this solution, for example, when there is a plurality of 1x and/or HRPD network, if only select one as the 1x broadcasting in LTE Overhead Message or the HRPD network information, may cause the terminal that does not belong to this 1x or HRPD network (for example to carry out normal interoperability, cause idle gravity treatment problem, registration problem etc.), even if yet LTE network can provide all 1x that exist at current region or the information of HRPD network, still be faced with and need to solve the problem of therefrom selecting a 1x network or HRPD network causing thus, selected wrong or not preferred 1x or HRPD network, can cause service feature to be affected, even cause the user cannot access network, affecting user experiences.
Summary of the invention
System of selection, terminal, base station and the MME of cdma network when the embodiment of the present invention provides a kind of LTE network to share, to solve when existing a plurality of cdma networks (a plurality of 1x networks or a plurality of HRPD network) to coexist, how therefrom to select the problem of a cdma network.
The system of selection of code division multiple access (CDMA) the network when embodiment of the present invention provides a kind of Long Term Evolution (LTE) network to share, the method comprises:
Terminal receive LTE base station broadcast one or more LTE network informations and with one or more cdma network information of LTE network associate;
Described terminal is a cdma network information with this LTE network associate of having selected according to the LTE network selection of having selected, and notify described LTE base station by the cdma network information of selection; Or, from described LTE base station, obtain the cdma network information that this LTE network of having selected is selected.
Preferably, described terminal obtains the cdma network information that this LTE network of having selected is selected from described LTE base station, comprising:
Described in described terminal request, LTE informs base station the cdma network information that this LTE network of having selected is selected, and receives the described cdma network information that described LTE base station sends; Or
Described terminal receives the described cdma network information that described LTE base station initiatively sends.
Preferably, described terminal is notified described LTE base station by the cdma network information of selection, comprising:
Described terminal is carried at the cdma network information of selection in uplink information pass-along message or circuit domain dropping parameter request message and notifies described LTE base station.
Preferably, described terminal receives the described cdma network information that described LTE base station sends, and comprising:
Described terminal receives the downlink information pass-along message of carrying described cdma network information that described LTE base station sends.
Preferably, described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
The system of selection of code division multiple access (CDMA) the network when embodiment of the present invention also provides a kind of Long Term Evolution (LTE) network to share, the method comprises:
The one or more LTE network informations of LTE base station broadcast and with one or more cdma network information of LTE network associate;
Described LTE base station obtains from Mobility Management Entity (MME) the cdma network information that this MME selects, and by the request of terminal or initiatively by the described cdma network information notification terminal obtaining; Or the cdma network information that the described terminal that receives described terminal to report is selected, and send described cdma network information to described MME.
Preferably, described LTE base station obtains from MME the cdma network information that this MME selects, and comprising:
Described LTE base station sends and carries indication and carries out the initial terminal message of cdma network selection to described MME, and receives the initial context that carries described cdma network information that described MME sends and set up request message; Or
Described LTE base station sends described cdma network information to described MME, comprising:
Described LTE base station sends the up CDMA2000 tunnel message that carries described cdma network information to described MME.
Preferably, described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
The system of selection of code division multiple access (CDMA) the network when embodiment of the present invention separately provides a kind of Long Term Evolution (LTE) network to share, the method comprises:
Mobility Management Entity (MME) receives the described cdma network information that LTE base station sends, and wherein, described cdma network information is that described LTE base station obtains from terminal; Or
Described MME receives the initial terminal message that cdma network selection is carried out in indication of carrying of described LTE base station transmission, and described MME selects a cdma network information, and sends described cdma network information to described LTE base station.
Preferably, the described cdma network information that described MME sends to described LTE base station is carried at initial context and sets up in request message.
Preferably, the described cdma network information that described MME reception LTE base station sends comprises:
Described MME receives the up CDMA2000 tunnel message that carries described cdma network information that described LTE base station sends.
Preferably, described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
The embodiment of the present invention provides again a kind of terminal, and this terminal comprises:
Receiver module, for receive Long Term Evolution (LTE) base station broadcast one or more LTE network informations and with one or more code division multiple accesss (CDMA) network information of LTE network associate;
Processing module, for a cdma network information with this LTE network associate of having selected according to the LTE network selection of having selected, and notifies described LTE base station by the cdma network information of selection; Or, from described LTE base station, obtain the cdma network information that this LTE network of having selected is selected.
Preferably, described processing module, specifically for:
Ask described LTE base station to inform the cdma network information that this LTE network of having selected is selected, and receive the described cdma network information that described LTE base station sends; Or
Receive the described cdma network information that described LTE base station initiatively sends.
Preferably, described processing module, specifically for: the cdma network information of selection is carried in uplink information pass-along message or circuit domain dropping parameter request message and notifies described LTE base station.
Preferably, described processing module, specifically for: receive the downlink information pass-along message of carrying described cdma network information that described LTE base station sends.
Preferably, described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
The embodiment of the present invention also provides ，Gai base station, a kind of base station to comprise:
Broadcast module, for broadcast one or more Long Term Evolutions (LTE) network information and with one or more code division multiple accesss (CDMA) network information of LTE network associate;
Processing module, the cdma network information of selecting for obtain this MME from Mobility Management Entity (MME), and by the request of terminal or the described cdma network information notification terminal initiatively just obtaining; Or the cdma network information that the described terminal that receives described terminal to report is selected, and send described cdma network information to described MME.
Preferably, described processing module, specifically for:
To described MME, send and carry indication and carry out the initial terminal message of cdma network selection, and receive the initial context that carries described cdma network information that described MME sends and set up request message; Or, to described MME, send the up CDMA2000 tunnel message that carries described cdma network information.
Preferably, described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
The embodiment of the present invention also provides a kind of Mobility Management Entity (MME), and this MME comprises:
Receiver module, carries out for receiving the indication of carrying of Long Term Evolution (LTE) base station transmission the initial terminal message that code division multiple access (CDMA) network is selected; Or receive the up CDMA2000 tunnel message that comprises described cdma network information that described LTE base station sends, wherein, described cdma network information is that described LTE base station obtains from terminal;
Processing module, for receiving after described initial terminal message at described receiver module, selects a cdma network information, and sends described cdma network information to described LTE base station.
Preferably, the described cdma network information that described processing module sends to described LTE base station is carried at initial context and sets up in request message.
Preferably, described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
The embodiment of the present invention, can be provided in LTE network and share the scheme that in situation, cdma network is selected, can when a LTE network connects a plurality of cdma network, determine available or preferred cdma network, so that terminal finally can access suitable cdma network, meet the business demand of terminal.
Accompanying drawing explanation
Fig. 1 be LTE network of the present invention while sharing the leading HRPD network of terminal select the signaling process figure of embodiment mono-;
Fig. 2 be LTE network of the present invention while sharing the leading HRPD network of terminal select the signaling process figure of embodiment bis-;
Fig. 3 be LTE network of the present invention while sharing the leading HRPD network of LTE network select the signaling process figure of embodiment mono-;
Fig. 4 be LTE network of the present invention while sharing the leading HRPD network of LTE network select the signaling process figure of embodiment bis-;
Fig. 5 be LTE network of the present invention while sharing the leading 1x network of terminal select the signaling process figure of embodiment;
Fig. 6 is the structural representation of terminal embodiment of the present invention;
Fig. 7 is the structural representation of base station embodiment of the present invention;
Fig. 8 is the structural representation of MME embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
The system of selection of cdma network when the embodiment of the present invention provides a kind of LTE network to share, this embodiment is described from end side, and the method comprises:
Step 11, terminal receive LTE base station broadcast one or more LTE network informations and with one or more cdma network information of LTE network associate;
Described cdma network information comprises one or more in following information: Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters; Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length;
Step 12, terminal be a cdma network information with this LTE network associate of having selected according to the LTE network selection of having selected, and notify described LTE base station by the cdma network information of selection; Or, from described LTE base station, obtain the cdma network information that this LTE network of having selected is selected.
After this step, interoperability processing can be carried out by cdma network information and the cdma network of selecting in terminal and LTE base station.
Correspondingly, the system of selection of cdma network when the embodiment of the present invention also provides a kind of LTE network to share, this embodiment is described from base station side, and the method comprises:
Step 21, the one or more LTE network informations of LTE base station broadcast and with one or more cdma network information of LTE network associate;
Step 22, LTE base station obtain from Mobility Management Entity (MME) the cdma network information that this MME selects, and by the request of terminal or the described cdma network information notification terminal initiatively just obtaining; Or the cdma network information that the described terminal that receives described terminal to report is selected, and send described cdma network information to described MME.
Similarly, the system of selection of cdma network when the embodiment of the present invention provides LTE network to share, this embodiment is described from MME side, and the method comprises:
Step 31, Mobility Management Entity (MME) receive the initial terminal message that cdma network selection is carried out in indication of carrying of LTE base station transmission;
Step 32, MME select a cdma network information, and send described cdma network information to described LTE base station.
In addition, the method also comprises: MME receives the up CDMA2000 tunnel message that comprises cdma network information that LTE base station sends, and wherein, cdma network information is that described LTE base station obtains from terminal.
Above-mentioned two schemes are scheme arranged side by side.
From the mutual angle of terminal, base station and MME, the embodiment of the present invention is described in detail below:
Embodiment mono-
As shown in Figure 1, while sharing for LTE network of the present invention, the leading HRPD network of terminal is selected the signaling process figure of embodiment mono-, in this embodiment, between MME and HRPD network, there is no S101 interface, specifically comprises:
Step 101, starting up of terminal, for example, based on local policy (multimode terminal network selection strategy can provide the priority of the multiple wireless access technology of terminal support, supposes that LTE network priority is higher than HRPD network in all embodiment of the present invention), select LTE as preferred network;
(System Information Block 1, SIB1) carries the LTE Network Recognition of one or more shared LTE resources by system information block 1 for step 102, eNodeB; ENodeB carries the one or more HRPD network informations with LTE network associate by system information block 8 (System Information Block8, SIB8); The HRPD network information can comprise HRPD network identification mark, frequency range, frequency, adjacent area identification, power contorl parameters (open loop power is adjusted parameter, power is adjusted step-length) etc.;
Step 103, terminal are carried out the selection of LTE network and carry out attach operation on the LTE networks of having selected;
LTE network based on having selected of step 104, terminal and/or other strategies are (for example, the HRPD network information list comprising in HRPD roaming list, the HRPD network information list that SIB8 carries) select a HRPD network and trigger and directly by HRPD, eat dishes without rice or wine to carry out HRPD registration;
Terminal selects the process of a HRPD network to be: terminal is obtained all and HRPD network information this LTE network associate according to the LTE network of having selected from SIB8, if there is the HRPD network priority list of HRPD roaming list and/or storage in terminal, further according to the HRPD network priority list of the HRPD roaming list of terminal and/or terminal storage, finally determine a preferred HRPD network; The HRPD network priority list and any supplementary that in terminal, there is no else if HRPD roaming list and storage, terminal may be selected a HRPD network at random from a plurality of HRPD network informations;
Step 105, terminal complete after HRPD registration, are transferred to LTE network and safeguard the registered HRPD network information until this HRPD network is unavailable.
Embodiment bis-
As shown in Figure 2, while sharing for LTE network of the present invention, the leading HRPD network of terminal is selected the signaling process figure of embodiment bis-, in this embodiment, between MME and HRPD network, has S101 interface, specifically comprises:
Step 201, starting up of terminal, select LTE as preferred network based on local policy;
Step 202, eNodeB carry the LTE Network Recognition of one or more shared LTE resources by SIB1; ENodeB carries the one or more HRPD network informations with LTE network associate by SIB8; The HRPD network information can comprise HRPD network identification mark, frequency range, frequency, adjacent area identification, power contorl parameters (open loop power is adjusted parameter, power is adjusted step-length) etc.;
Step 203, terminal are carried out the selection of LTE network and carry out attach operation on the LTE networks of having selected;
LTE network based on having selected of step 204, terminal and/or other strategies are (for example, the HRPD network information list comprising in HRPD roaming list, the HRPD network information list that SIB8 carries) select a HRPD network and carry out HRPD registration by LTE tunnel;
Terminal selects the process of a HRPD network to be: terminal is obtained all and HRPD network information this LTE network associate according to the LTE network of having selected from SIB8, if there is the HRPD network priority list of HRPD roaming list and/or storage in terminal, further according to the HRPD network priority list of the HRPD roaming list of terminal and/or terminal storage, finally determine a preferred HRPD network; The HRPD network priority list and any supplementary that in terminal, there is no else if HRPD roaming list and storage, terminal may be selected a HRPD network at random from a plurality of HRPD network informations;
Step 205, terminal send uplink information pass-along message to eNodeB, (for example carry HRPD registration related news, HRPD general purpose terminal identification request message, HRPD session negotiation message etc.) and the HRPD Network Recognition (can be HRPD subnet number) selected of terminal;
Step 206, the eNodeB HRPD Network Recognition based on terminal to report is selected HRPD reference cell;
Step 207, eNodeB send up CDMA2000 tunnel message to MME, carry HRPD registration related news, the identification of HRPD reference cell, and/or the HRPD Network Recognition selected of terminal;
Step 208, MME identify HRPD Access Network by HRPD reference cell, and send S101 to HRPD Access Network and directly transmit request message, carry HRPD registration related news;
Step 209, terminal complete HRPD log-on operation by LTE tunnel.
Embodiment tri-
As shown in Figure 3, while sharing for LTE network of the present invention, the leading HRPD network of LTE network is selected the signaling process figure of embodiment mono-, in this embodiment, between MME and HRPD network, has S101 interface, specifically comprises:
Step 301, starting up of terminal, select LTE as preferred network based on local policy;
Step 302, eNodeB carry the LTE Network Recognition of one or more shared LTE resources by SIB1; ENodeB carries the one or more HRPD network informations with LTE network associate by SIB8; The HRPD network information can comprise HRPD network identification mark, frequency range, frequency, adjacent area identification, power contorl parameters (open loop power is adjusted parameter, power is adjusted step-length) etc.;
Step 303, terminal are carried out the selection of LTE network and trigger LTE attach operation on the LTE networks of having selected;
Step 304, LTE connect foundation;
Step 305, eNodeB send initial terminal message to MME, comprise to adhere to or the selection of HRPD network is carried out in location area updating request indication;
Step 306, MME for example, select a HRPD network based on comprehensive strategic (LTE Network Recognition and/or home network operator strategy and/or roaming network carrier policy etc. that, terminal is selected);
MME selects the process of a HRPD network to be: all HRPD network informations with this LTE network associate of LTE Network Capture that MME has selected according to terminal, if have the HRPD network of terminal attaching Virtual network operator support and/or the HRPD network priority list that terminal roaming Virtual network operator is supported in MME, the finally definite preferred HRPD network of the HRPD network priority list that the HRPD network of further supporting according to terminal attaching Virtual network operator and/or terminal roaming Virtual network operator are supported; In MME, there is no else if the HRPD network of terminal attaching Virtual network operator support and HRPD network priority list and any supplementary that terminal roaming Virtual network operator is supported, MME may select a HRPD network at random from a plurality of HRPD network informations;
Step 307, MME store the HRPD network of having selected and set up message by initial context this information is sent to eNodeB;
Step 308, LTE adheres to or location area updating completes and set up LTE signaling and Deta bearer;
Step 309, eNodeB sends initial context to MME and sets up response message;
Step 310, alternatively, terminal sends uplink information pass-along message to eNodeB, carries HRPD parameter request;
Step 311, eNodeB send downlink information pass-along message to terminal, carry the HRPD network information of having selected, comprise HRPD network identification mark (can identify different HRPD networks by HRPD subnet number), frequency range, frequency, adjacent area identification, power contorl parameters (open loop power is adjusted parameter, power is adjusted step-length) etc.;
Step 312, terminal are used the HRPD network of having selected obtaining from eNodeB and are triggered and carry out HRPD registration by LTE tunnel;
Step 313, terminal send uplink information pass-along message to eNodeB, carry HRPD registration related news (for example, HRPD general purpose terminal identification request message, HRPD session negotiation message etc.)
The HRPD Network Recognition that step 314, eNodeB select based on MME is selected HRPD reference cell;
Step 315, eNodeB send up CDMA2000 tunnel message to MME, carry HRPD registration related news and the identification of HRPD reference cell;
Step 316, MME identify HRPD Access Network by HRPD reference cell, and send S101 to HRPD Access Network and directly transmit request message, carry HRPD registration related news;
Step 317, terminal complete HRPD log-on operation by LTE tunnel.
Embodiment tetra-
As shown in Figure 4, while sharing for LTE network of the present invention, the leading HRPD network of LTE network is selected the signaling process figure of embodiment bis-, in this embodiment, between MME and HRPD network, there is no S101 interface, specifically comprises:
Step 401, starting up of terminal, select LTE as preferred network based on local policy;
Step 402, eNodeB carry the LTE Network Recognition of one or more shared LTE resources by SIB1; ENodeB carries the one or more HRPD network informations with LTE network associate by SIB8; The HRPD network information can comprise HRPD network identification mark, frequency range, frequency, adjacent area identification, power contorl parameters (open loop power is adjusted parameter, power is adjusted step-length) etc.;
Step 403, terminal are carried out the selection of LTE network and trigger LTE attach operation on the LTE networks of having selected;
Step 404, LTE connect foundation;
Step 405, eNodeB send initial terminal message to MME, comprise to adhere to or the selection of HRPD network is carried out in location area updating request indication;
Step 406, MME for example, select a HRPD network based on comprehensive strategic (LTE Network Recognition and/or home network operator strategy and/or roaming network carrier policy etc. that, terminal is selected);
MME selects the process of a HRPD network to be: all HRPD network informations with this LTE network associate of LTE Network Capture that MME has selected according to terminal, if have the HRPD network of terminal attaching Virtual network operator support and/or the HRPD network priority list that terminal roaming Virtual network operator is supported in MME, the finally definite preferred HRPD network of the HRPD network priority list that the HRPD network of further supporting according to terminal attaching Virtual network operator and/or terminal roaming Virtual network operator are supported; In MME, there is no else if the HRPD network of terminal attaching Virtual network operator support and HRPD network priority list and any supplementary that terminal roaming Virtual network operator is supported, MME may select a HRPD network at random from a plurality of HRPD network informations;
Step 407, MME store the HRPD network of having selected and set up message by initial context this information is sent to eNodeB;
Step 408, LTE adhere to or location area updating completes and set up LTE signaling and Deta bearer;
Step 409, eNodeB send initial context to MME and set up response message;
Step 410, alternatively, terminal sends uplink information pass-along message to eNodeB, carries HRPD parameter request;
Step 411, eNodeB send downlink information pass-along message to terminal, carry the HRPD network information of having selected, comprise HRPD network identification mark (can identify different HRPD networks by HRPD subnet number), frequency range, frequency, adjacent area identification, power contorl parameters (open loop power is adjusted parameter, power is adjusted step-length) etc.;
Step 412, terminal are used the HRPD network of having selected obtaining from eNodeB and are triggered and eat dishes without rice or wine to carry out HRPD registration by HRPD;
Step 413, terminal are directly registered by the HRPD HRPD that eated dishes without rice or wine;
Step 414, terminal complete after HRPD registration, are transferred to LTE network and safeguard the registered HRPD network information until this HRPD network is unavailable.
Embodiment five
As shown in Figure 5, while sharing for LTE network of the present invention, the leading 1x network of terminal is selected the signaling process figure of embodiment, in this embodiment, between MME and 1x network, has S102 interface, specifically comprises:
Step 501, starting up of terminal, select LTE as preferred network based on local policy;
Step 502, eNodeB carry the LTE Network Recognition of one or more shared LTE resources by SIB1; ENodeB carries the one or more 1x network informations with LTE network associate by SIB8; The 1x network information can comprise 1x Network Recognition (for example, system number and/or network number), frequency range, frequency, adjacent area identification etc.;
Step 503, terminal are carried out the selection of LTE network and carry out attach operation on the LTE networks of having selected;
Step 504, terminal LTE network and/or other strategies (the 1x network information that the 1x network information for example, comprising in 1x roaming list and/or SIB8 carry) based on having selected selected a 1x network and triggers and carry out 1x registration by LTE tunnel;
Terminal selects the process of a 1x network to be: terminal is obtained all and 1x network information this LTE network associate according to the LTE network of having selected from SIB8, if there is the 1x network priority list of 1x roaming list or storage in terminal, further according to the 1x network priority list of the 1x roaming list of terminal and/or terminal storage, finally determine a preferred 1x network; Otherwise the 1x network priority list and any supplementary that in terminal, there is no 1x roaming list and storage, terminal may be selected a 1x network at random from a plurality of 1x network informations;
Step 505, before terminal is initiated 1x log-on operation, first give eNodeB transtation mission circuit domain dropping (CSFB) parameter request message, the 1x Network Recognition that carried terminal has been selected etc. also ask eNodeB that the relevant parameter of 1x network is therewith provided;
Step 506, eNodeB send CSFB parameter response message to terminal, carry the associated 1x parameter of 1x Network Recognition of selecting with terminal;
Step 507, terminal send uplink information pass-along message to eNodeB, carry 1x registration related news;
Step 508, the eNodeB 1x Network Recognition based on terminal to report is selected 1x reference cell;
Step 509, eNodeB send up CDMA2000 tunnel message to MME, carry 1x Network Recognition and the identification of 1x reference cell that 1x registration related news, terminal have been selected;
Step 510, MME are by 1x reference cell identification 1xIWS (Interworking solution: interoperability solution), and send A21 space interface signaling message to 1xIWS, carry 1x registration related news;
Step 511, terminal complete 1x log-on operation by LTE tunnel.
The system of selection of cdma network when above-mentioned LTE network is shared can be determined available or preferred cdma network when a LTE network connects a plurality of cdma network, so that terminal finally can access suitable cdma network, meets the business demand of terminal.
As shown in Figure 6, be the structural representation of terminal embodiment of the present invention, this terminal comprises receiver module 61 and processing module 62, wherein:
Receiver module, for receive Long Term Evolution (LTE) base station broadcast one or more LTE network informations and with one or more code division multiple accesss (CDMA) network information of LTE network associate;
Processing module, for a cdma network information with this LTE network associate of having selected according to the LTE network selection of having selected, and notifies described LTE base station by the cdma network information of selection; Or, from described LTE base station, obtain the cdma network information that this LTE network of having selected is selected.
Wherein, described processing module, specifically for: ask described LTE base station to inform the cdma network information that this LTE network of having selected is selected, and receive the described cdma network information that described LTE base station sends; Or, receive the described cdma network information that described LTE base station initiatively sends.Particularly, described terminal receives the downlink information pass-along message of carrying described cdma network information that described LTE base station sends.
In addition, described processing module can be carried at the cdma network information of selection in uplink information pass-along message or circuit domain dropping parameter request message and notify described LTE base station.
Further, described cdma network information comprises one or more in following information: Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters; Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
Above-mentioned terminal, when a LTE network connects a plurality of cdma network, selects by oneself or from base station, obtains available or preferred cdma network, finally can access suitable cdma network, meets business demand.
As shown in Figure 7, be the structural representation of base station embodiment of the present invention, this base station comprises broadcast module 71 and processing module 72, wherein:
Broadcast module, for broadcast one or more Long Term Evolutions (LTE) network information and with one or more code division multiple accesss (CDMA) network information of LTE network associate;
Processing module, the cdma network information of selecting for obtain this MME from Mobility Management Entity (MME), and by the request of terminal or the described cdma network information notification terminal initiatively just obtaining; Or the cdma network information that the described terminal that receives described terminal to report is selected, and send described cdma network information to described MME.
Wherein, described processing module, specifically for: to described MME, send and carry indication and carry out the initial terminal message of cdma network selection, and receive the initial context that carries described cdma network information that described MME sends and set up request message; Or, to described MME, send the up CDMA2000 tunnel message that carries described cdma network information.
Preferably, described cdma network information comprises one or more in following information: Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters; Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
Above-mentioned base station, when a LTE network connects a plurality of cdma network, by obtaining available or preferred cdma network from terminal or MME, completes with the interoperability of terminal room and processes.
As shown in Figure 8, be the structural representation of MME embodiment of the present invention, this MME comprises receiver module 81 and processing module 82, wherein:
Receiver module, carries out for receiving the indication of carrying of Long Term Evolution (LTE) base station transmission the initial terminal message that code division multiple access (CDMA) network is selected; Or receive the up CDMA2000 tunnel message that comprises described cdma network information that described LTE base station sends, wherein, described cdma network information is that described LTE base station obtains from terminal;
Processing module, for receiving after described initial terminal message at described receiver module, selects a cdma network information, and sends described cdma network information to described LTE base station.
The described cdma network information that above-mentioned processing module sends to described LTE base station can be carried at initial context and set up in request message.
In addition, described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
Above-mentioned MME, by when a LTE network connects a plurality of cdma network, available or the preferred cdma network that oneself is selected is informed terminal by base station, or know by base station the available or preferred cdma network that terminal is selected, the interoperability that completes base station and terminal room is processed, thereby meets the miscellaneous service demand of terminal.
One of ordinary skill in the art will appreciate that all or part of step in said method can come instruction related hardware to complete by program, said procedure can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment, the present invention is had been described in detail.Those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement technical scheme of the present invention, and do not depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of claim scope of the present invention.
Claims (23)
1. when Long Term Evolution (LTE) network is shared, a system of selection for code division multiple access (CDMA) network, is characterized in that, the method comprises:
Terminal receive LTE base station broadcast one or more LTE network informations and with one or more cdma network information of LTE network associate;
Described terminal is a cdma network information with this LTE network associate of having selected according to the LTE network selection of having selected, and notify described LTE base station by the cdma network information of selection; Or, from described LTE base station, obtain the cdma network information that this LTE network of having selected is selected.
2. method according to claim 1, is characterized in that:
Described terminal obtains the cdma network information that this LTE network of having selected is selected from described LTE base station, comprising:
Described in described terminal request, LTE informs base station the cdma network information that this LTE network of having selected is selected, and receives the described cdma network information that described LTE base station sends; Or
Described terminal receives the described cdma network information that described LTE base station initiatively sends.
3. method according to claim 1, is characterized in that:
Described terminal is notified described LTE base station by the cdma network information of selection, comprising:
Described terminal is carried at the cdma network information of selection in uplink information pass-along message or circuit domain dropping parameter request message and notifies described LTE base station.
4. method according to claim 2, is characterized in that:
Described terminal receives the described cdma network information that described LTE base station sends, and comprising:
Described terminal receives the downlink information pass-along message of carrying described cdma network information that described LTE base station sends.
5. according to the method described in the arbitrary claim of claim 1-4, it is characterized in that:
Described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
6. when Long Term Evolution (LTE) network is shared, a system of selection for code division multiple access (CDMA) network, is characterized in that, the method comprises:
The one or more LTE network informations of LTE base station broadcast and with one or more cdma network information of LTE network associate;
Described LTE base station obtains from Mobility Management Entity (MME) the cdma network information that this MME selects, and by the request of terminal or initiatively by the described cdma network information notification terminal obtaining; Or the cdma network information that the described terminal that receives described terminal to report is selected, and send described cdma network information to described MME.
7. method according to claim 6, is characterized in that:
Described LTE base station obtains from MME the cdma network information that this MME selects, and comprising:
Described LTE base station sends and carries indication and carries out the initial terminal message of cdma network selection to described MME, and receives the initial context that carries described cdma network information that described MME sends and set up request message; Or
Described LTE base station sends described cdma network information to described MME, comprising:
Described LTE base station sends the up CDMA2000 tunnel message that carries described cdma network information to described MME.
8. according to the method described in claim 6 or 7, it is characterized in that:
Described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
9. when Long Term Evolution (LTE) network is shared, a system of selection for code division multiple access (CDMA) network, is characterized in that, the method comprises:
Mobility Management Entity (MME) receives the described cdma network information that LTE base station sends, and wherein, described cdma network information is that described LTE base station obtains from terminal; Or
Described MME receives the initial terminal message that cdma network selection is carried out in indication of carrying of described LTE base station transmission, and described MME selects a cdma network information, and sends described cdma network information to described LTE base station.
10. method according to claim 9, is characterized in that:
The described cdma network information that described MME sends to described LTE base station is carried at initial context and sets up in request message.
11. methods according to claim 9, is characterized in that:
The described cdma network information that described MME receives the transmission of LTE base station comprises:
Described MME receives the up CDMA2000 tunnel message that carries described cdma network information that described LTE base station sends.
12. according to the method described in the arbitrary claim of claim 9-11, it is characterized in that:
Described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
13. 1 kinds of terminals, is characterized in that, this terminal comprises:
Receiver module, for receive Long Term Evolution (LTE) base station broadcast one or more LTE network informations and with one or more code division multiple accesss (CDMA) network information of LTE network associate;
Processing module, for a cdma network information with this LTE network associate of having selected according to the LTE network selection of having selected, and notifies described LTE base station by the cdma network information of selection; Or, from described LTE base station, obtain the cdma network information that this LTE network of having selected is selected.
14. terminals according to claim 13, is characterized in that:
Described processing module, specifically for:
Ask described LTE base station to inform the cdma network information that this LTE network of having selected is selected, and receive the described cdma network information that described LTE base station sends; Or
Receive the described cdma network information that described LTE base station initiatively sends.
15. terminals according to claim 13, is characterized in that:
Described processing module, specifically for: the cdma network information of selection is carried in uplink information pass-along message or circuit domain dropping parameter request message and notifies described LTE base station.
16. terminals according to claim 15, is characterized in that:
Described processing module, specifically for: the downlink information pass-along message of carrying described cdma network information that described LTE base station sends received.
17. according to the terminal described in the arbitrary claim of claim 13-16, it is characterized in that:
Described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
18. 1 kinds of base stations, is characterized in that, this base station comprises:
Broadcast module, for broadcast one or more Long Term Evolutions (LTE) network information and with one or more code division multiple accesss (CDMA) network information of LTE network associate;
Processing module, the cdma network information of selecting for obtain this MME from Mobility Management Entity (MME), and by the request of terminal or the described cdma network information notification terminal initiatively just obtaining; Or the cdma network information that the described terminal that receives described terminal to report is selected, and send described cdma network information to described MME.
19. base stations according to claim 18, is characterized in that:
Described processing module, specifically for:
To described MME, send and carry indication and carry out the initial terminal message of cdma network selection, and receive the initial context that carries described cdma network information that described MME sends and set up request message; Or, to described MME, send the up CDMA2000 tunnel message that carries described cdma network information.
20. according to the base station described in claim 18 or 19, it is characterized in that:
Described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
21. 1 kinds of Mobility Management Entity (MME), is characterized in that, this MME comprises:
Receiver module, carries out for receiving the indication of carrying of Long Term Evolution (LTE) base station transmission the initial terminal message that code division multiple access (CDMA) network is selected; Or receive the up CDMA2000 tunnel message that comprises described cdma network information that described LTE base station sends, wherein, described cdma network information is that described LTE base station obtains from terminal;
Processing module, for receiving after described initial terminal message at described receiver module, selects a cdma network information, and sends described cdma network information to described LTE base station.
22. MME according to claim 21, is characterized in that:
The described cdma network information that described processing module sends to described LTE base station is carried at initial context and sets up in request message.
23. according to the MME described in claim 21 or 22, it is characterized in that:
Described cdma network information comprises one or more in following information:
Network Recognition, frequency range, frequency, adjacent area identification and power contorl parameters;
Wherein, described power contorl parameters comprises that open loop power is adjusted parameter and power is adjusted step-length.
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