CN101043707A - Register method for mutual operation of CDMA system and high-speed packet data system - Google Patents
Register method for mutual operation of CDMA system and high-speed packet data system Download PDFInfo
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Abstract
The provided register method for interactive operating between CDMA system and HSDC system comprises: MSC determines the register type of mobile terminal, and visits VLR and HLR to notify the original registered VLR for the register type; the latter cancels the terminal register message or executes relative operation according to the register type. This invention labels the register type for mobile terminal during transmitting the register message, reduces time for building calling, simplifies the calling process, and improves calling reliability.
Description
Technical field
The present invention relates to the communication technology, relate in particular to the register method of code division multiple access system and high-speed grouped data system interoperability.
Background technology
The problem of CDMA2000 1x and HRPD (HRPD (high rate packet data) technology) interoperability is the hot issue of 3GPP2 (third generation partner program 2) standard research.The problem of CDMA2000 1x and HRPD interoperability comprises: two switchings that net is overlapping when covering when interconnecting cover adjacent with two nets.Owing to do not have interconnected interface between CDMA2000 1x and the HRPD, therefore, when residing in CDMA2000 1x, dual-mode terminal can lose fully and the getting in touch of HRPD.Though can utilize the part time slot to receive beep-page message from CDMA20001x when dual-mode terminal resides in HRPD, this is to be cost to sacrifice Performance And Reliability that HRPD receives.
Can solve the problem of two net interconnectings from two angles: from the angle of Access Network with from the angle of core net.Trigger from the angle of Access Network, a possible method is the interface that increases by two net interconnectings, changes the state that Access Network is thoroughly isolated.From the angle of core net, possible method is to increase application server, when dual-mode terminal is registered on any one network all in this server registers.Learn the network at dual-mode terminal place by inquiring about this server, thereby launch professional at corresponding network.
In the 3GPP2 standard of formulating recently, respectively the scheme that solves has been proposed the problems referred to above.At first, the HRPD IOS Rev.A standard that comprises A.S0008-A and C.S0024-A has proposed the problem that the cross-paging technology solves intercommunication.Afterwards, the voice intercommunication scheme that proposed between IMS (IP Multimedia System) territory and circuit commutative field of the HRPD IOS Rev.B standard that comprises A.S0008-B and X.P0042 solves the problem of two net registrations.Certainly, the voice intercommunication scheme between IMS territory and circuit commutative field has not only solved the problem of two net registrations, and has solved the problem of VoIP (voice call of IP carrying) voice to switching of 1x circuit voice and short message intercommunication.
But because the prerequisite of cross-paging and the voice intercommunication scheme between IMS territory and circuit commutative field is a contradiction, so there is compatibility issue in both.Specifically, core network server scheme hypothesis dual-mode terminal resides on some networks, promptly or be to reside on the HRPD, or is to reside on the CDMA2000 1x.NeDS (network domains selected cell) registers the network of judging that dual-mode terminal is resident by the circuit commutative field of SIP (session initiation protocol) registration and CDMA2000 1x.And cross-paging regulation dual-mode terminal resides on the HRPD, must constantly upgrade positional information at CDMA2000 1x simultaneously, i.e. registration.When cross-paging and the coexistence of the voice intercommunication scheme between IMS territory and circuit commutative field, this will cause the indicated dual-mode terminal residing network of NeDS state different with virtual condition.NeDS thinks that dual-mode terminal transferred to CDMA2000 1x, and in fact dual-mode terminal still resides in HRPD.Subsequently, all SIP call out and are routed on the corresponding MSC/VLR (mobile switch/Visited Location Registor) by NeDS.Though MSC/VLR still can calling double-mode terminal by cross-paging, and trigger dual-mode terminal and insert and response is called out at CDMA2000 1x, the process of call setup is a circuitous process.
Summary of the invention
The technical problem to be solved in the present invention is to provide the register method of a kind of code division multiple access system and high-speed grouped data system interoperability, to solve portable terminal after registering, the problem that call handling process is loaded down with trivial details.
The invention provides the register method of a kind of code division multiple access system and high-speed grouped data system interoperability, comprising: A. mobile switch MSC determines the registration type of portable terminal; B. described mobile switch MSC is notified to described registration type the Visited Location Registor VLR of former registration by Visited Location Registor VLR and attaching position register HLR; C. the Visited Location Registor VLR of described former registration deletes the log-on message of described portable terminal or operates accordingly according to described registration type.
The process of performing step A is: base station controller BSC or Access Network AN send location update request message to described mobile switch MSC, described location update request message has the enumerated value of the described registration type of sign, and perhaps described location update request message has one in order to indicate the numerical value territory of described registration type.
The process of performing step A is: base station controller BSC or Access Network AN send different login request message respectively to described mobile switch MSC, and described mobile switch MSC determines described registration type according to described different login request message.
The process of performing step A is: described mobile switch MSC configuration sends the base station controller BSC of login request message and the information of Access Network AN in order to difference, to determine described registration type.
The process of performing step B comprises: described mobile switch MSC sends registration notification message to described Visited Location Registor VLR, described registration notification message has the enumerated value of the described registration type of sign, and perhaps described registration notification message has one in order to indicate the numerical value territory of described registration type.
The process of performing step B comprises: described mobile switch MSC is according to the difference of described registration type, selection sends first registration notification message or second registration notification message to described Visited Location Registor VLR, and described first registration notification message has different sign ID respectively with described second registration notification message.。
The process of performing step B comprises: described Visited Location Registor VLR sends registration notification message to described attaching position register HLR, described registration notification message has the enumerated value of the described registration type of sign, and perhaps described registration notification message has one in order to indicate the numerical value territory of described registration type.
The process of performing step B comprises: described Visited Location Registor VLR is according to the difference of described registration type, selection sends first registration notification message or second registration notification message to described attaching position register HLR, and described first registration notification message has different sign ID respectively with described second registration notification message.
The process of performing step B comprises: described attaching position register HLR sends registration cancellation message to the Visited Location Registor VLR of described former registration, the enumerated value that described registration cancellation message has the described registration type of sign, perhaps described registration cancellation message has one in order to indicate the numerical value territory of described registration type.
When the Visited Location Registor VLR of described former registration was network domains selected cell NeDS, described network domains selected cell NeDS operated accordingly according to described registration type.If described registration type identifier register is undertaken by code division multiple access system, then trigger cancellation session initiation protocol SIP registration process to home signature user server HSS.If described registration type identifier register is undertaken by high-speed grouped data system, then send new registration message to described attaching position register HLR, make described attaching position register HLR cancel the Visited Location Registor VLR of described former registration, re-register described network domains selected cell NeDS, and do not trigger cancellation session initiation protocol SIP registration process home signature user server HSS.
When the Visited Location Registor VLR of described former registration was non-network domains selected cell NeDS, the Visited Location Registor VLR of described former registration disregarded registration type, deletes the log-on message of described portable terminal.
The present invention also provides the register method of a kind of code division multiple access system and high-speed grouped data system interoperability, comprising: A. mobile switch MSC determines the registration type of portable terminal; B. described mobile switch MSC is notified to attaching position register HLR by Visited Location Registor VLR with described registration type; C. described attaching position register HLR judges whether the Visited Location Registor VLR of former registration is network domains selected cell NeDS, if, enter step D, otherwise, step e entered; D. described attaching position register HLR selects NeDS to send the first registration cancellation message to described network domains, and the described first registration cancellation message comprises described registration type, and described network domains selected cell NeDS operates accordingly according to described registration type; E. described attaching position register HLR sends the second registration cancellation message to the Visited Location Registor VLR of described former registration, the described second registration cancellation message does not comprise described registration type, and the Visited Location Registor VLR of described former registration deletes the log-on message of described portable terminal.
The enumerated value that the described first registration cancellation message has the described registration type of sign, the perhaps described first registration cancellation message has one in order to indicate the numerical value territory of described registration type.
Described attaching position register HLR distinguishes described network domains selected cell NeDS and described non-network domains selected cell NeDS by configuration information.
The invention provides the scheme of the registration type of sign portable terminal in transmitting log-on message, so NeDS can clearly understand the registration type of portable terminal, and then select more suitable call path to set up and call out, shortened the time of call setup, simplify the call treatment link, improved the reliability of call setup.
In the voice intercommunication scheme between IMS territory and circuit commutative field, when if portable terminal is registered to CDMA2000 1x circuit domain, can not trigger NeDS to HSS cancellation SIP registration, so HSS still indicates this portable terminal to be in the state of SIP registration this moment, if this portable terminal has left the IMS territory that HRPD carried, this will cause short message to transmit failure, if and the present invention has mentioned portable terminal is direct registration by CDMA2000 1x, then NeDS can trigger the cancellation SIP registration process to HSS, at this moment, if short messaging gateway needs the short message of transmitting mobile terminal, short messaging gateway inquiry HSS, the result who obtains is that portable terminal is not in SIP login state (identical with the mobile terminal state of reality), so short message can be sent to portable terminal by CDMA2000 1x system, this has just been avoided short message to transmit the generation of failure.
Description of drawings
The system assumption diagram of Fig. 1 for mentioning in the HRPD IOS Rev.A standard.
Fig. 2 is MS/AT initiates registration process when the HRPD network state a schematic diagram.
Fig. 3 is the system architecture diagram that HRPD IOS Rev.B standard proposes.
Fig. 4 is dual-mode terminal is initiated registration process when CDMA2000 1x network state a schematic diagram.
Fig. 5 is the flow chart of first embodiment of the invention.
The flow chart that Fig. 6 further specifies for step S502 among Fig. 5.
Fig. 7 is the flow chart of second embodiment of the invention.
Embodiment
Below we will be in conjunction with the accompanying drawings, optimum implementation of the present invention is described in detail.At first it is to be noted, the implication of the term of using among the present invention, words and claim can not only only limit to its literal and common implication and go to understand, the implication and the notion that also comprise and then conform to technology of the present invention, this is because we are as the inventor, to suitably provide the definition of term, so that the most appropriate description is carried out in our invention.Therefore, the configuration that provides in this explanation and the accompanying drawing is first-selected embodiment of the present invention, rather than will enumerates all technical characteristics of the present invention.We will recognize to also have the various equivalent scheme or the modifications that can replace our scheme.
Core concept of the present invention is: cross-paging scheme that the HRPDIOS Rev.A standard that comprises A.S0008-A and C.S0024-A proposes with comprise A.S0008-B and the HRPD IOS Rev.B standard of X.P0042 proposes under the prerequisite that the voice intercommunication scheme between IMS territory and the circuit commutative field coexists, provide a kind of register method, to avoid the generation of the actual resident inconsistent situation of network state of resident network state of the indicated dual-mode terminal of NeDS and dual-mode terminal.
Owing to relate to cross-paging and the voice intercommunication scheme between IMS territory and circuit commutative field, so the present invention at first describes these two technical schemes.
The system assumption diagram of Fig. 1 for mentioning in the HRPD IOS Rev.A standard.As shown in Figure 1, in described structure chart, comprise: can support CDMA 1X and CDMA HRPD mode mobile terminal MS/AT, base station controller BSC, the mobile switching centre/simulator MSC/MSCe of mobile switching centre, Access Network AN, packet data control functional unit PCF, packet data serving node PDSN, wherein, A8 and A10 are interface in the user plane, and A1, A9 and A11 are the signaling plane interface.
In addition, between AN and MSC, increased the A1/A1p interface, A1/A1p is a bidirectional interface, the circuit commutative field beep-page message of the CDMA2000 1x AN by HRPD can be handed down to MS/AT, also the grouped data paging of the HRPD MSC by CDMA2000 1x can be handed down to BSC, and then be handed down to MS/AT.By this interface, when dual-mode terminal resides in any one network, can receive beep-page message from the another one network.
The AN of HRPD and the air interface of MS/AT have increased the function of CSNA (the Circuit Service notice is used), and this function support is transmitted the air-interface information of CDMA2000 1x pellucidly on the air interface of HRPD.MS/AT can finish the certain operations of CDMA2000 1x virtually by this function and A1/A1p interface, for example registration operation.
Consider that dual-mode terminal has mobile characteristic, suppose that dual-mode terminal resides on the network of HRPD and moves to the lane place of another MSC management from the lane place of a MSC management, AN will ask MS/AT to initiate the registration operation by CSNA.AN initiates position updating request by the A1/A1p interface to MSC subsequently, triggers destination MSC/VLR and initiates registration process to HLR.
Fig. 2 is MS/AT initiates registration process when the HRPD network state a schematic diagram.As shown in Figure 2, MS/AT sends Route Update (routing update) message to AN, AN returns Registration Order (log-in command) message to MS/AT, MS/AT sends Registration Message (log-on message) message to AN again, AN sends Location Updating Request (position updating request) message by the A1/A1p interface of Fig. 1 to Target MSC/VLR (target mobile switch/Visited Location Registor), Target MSC/VLR sends REGNOT (registration notification) message to HLR, HLR sends REGCANC (registration cancellation) message to Source MSC/VLR (former mobile switch/Visited Location Registor), Source MSC/VLR returns REGCANC res (registration cancellation response) message to HLR, HLR returns REGNOT res (registration notification response) message to Target MSC/VLR, Target MSC/VLR returns Location Updating Accept (position is upgraded and accepted) message to AN, at last, AN returns Registration Accept (registration is accepted) message to MS/AT.
Fig. 3 is the Organization Chart of " voice intercommunication between IMS territory and circuit commutative field " scheme of HRPD IOS Rev.B standard proposition.As shown in the figure, described framework comprises Home Network (home network), Visited Network (accesses network), MAP Network (supporting the network of MAP), IP Network (IP network), PSTN several major parts such as (Public Switched TelephoneNetwork, public switched telephone networks).
Wherein, Home Network further comprises: MGCF (Media Gateway ControlFunction, the MGCF unit), MGW (Media Gateway, media gateway), SMS-GW (Short Message Service-Gateway, short messaging gateway), I/SCSCF (Interrogating-CSCF/Serving-CSCF, inquiry call/session controlled function and service call/conversation control function unit), HSS (Home Subscriber Server, home signature user server), NeDS (Network Domain Selection, the network domains selected cell), CCCF (Call Continuity Control Function, call continuity controlled function unit), HLR (Home Location Register, attaching position register).
Visited Network further comprises: P-CSCF (Proxy-Call/Session ControlFunction, agent call/conversation control function), MGCF (Media Gateway ControlFunction, the MGCF unit), MGW (Media Gateway, media gateway), PDSN (packet data serving node), PDIF (Packet Data InterworkingFunction, grouped data interconnecting function unit), HRPD AN (the Access Network unit of HRPD), WLAN AP (WLAN Access Point, the WLAN access point), UE (UserEquipment, subscriber terminal equipment), MSC/VLR (mobile switching center), 1x BS (base station system of 1x comprises base station controller and one group of base station).
In addition, Fig. 3 also discloses agreement or the interface between each entity, comprise: MAPMobile Application Part, MAP), SIP (Session initiationprotocol, Session initiation Protocol), ISUP (ISDN User Part, ISDNYong Hubufen), PCM over TDM (Pulse Code Modulation over Time DivisionMultiplexing, pulse (volume) the sign indicating number modulation of time-division multiplex technology carrying, it is meant voice signal by impulse sampling coding (A rule or mu-law encoding), be carried on then in the time-multiplexed legacy circuit-switched system), Megaco (Media Gateway Control, MGCP), RTP/UDP/IP (Real-time Transport Protocol/UserDatagram Protocol/Internet Protocol, RTP is carried on User Datagram Protoco (UDP) and is carried on Internet protocol, this is to carry the professional most common form of real-time multimedia at present on the internet, promptly adopt RTP carrying real time business frame, be encapsulated in the User Datagram Protoco (UDP) then, by Internet protocol route on network), HRPD (High RatePacket Data, the air interface of HRPD (high rate packet data) technology), (802.11 WLAN standard), A21 (connecting the signaling plane interface of HRDP AN) to 1x BS, A2 (connecting the interface in the user plane of MSC) to BS, A1 (connecting the signaling plane interface of MSC) to BS, 1x (connecting the terminals to the 1x air interface of 1x base station).
One of core concept of voice intercommunication scheme between IMS territory and circuit commutative field is to increase the NeDS server in core net.NeDS is the network element in IMS territory, also is the network element (VLR) of CDMA2000 1x.If dual-mode terminal resides on the network of HPRD and initiates the SIP registration, can trigger NeDS and register to HLR.The log-on message of the MSC/VLR of existing all other CDMA2000 1x circuit commutative fields of HLR cancellation.After this all circuit commutative fields are called out and will be routed on the sip terminal by NeDS, and are converted to the SIP calling by the MGCF that NeDS selects.If dual-mode terminal resides on the network of CDMA2000 1x and by certain MSC/VLR and registers, HLR will notify the log-on message of NeDS cancellation dual-mode terminal.But NeDS does not trigger HSS cancellation SIP registration.By this process, NeDS knows that dual-mode terminal has left the HRPD network and registers on the network of CDMA2000 1x.After this all SIP callings (comprising that PSTN calls out) all are routed on the corresponding MSC/VLR by NeDS, and the MGCF that selects by NeDS is converted to circuit calling.
The essence of this scheme is to utilize registration of IMS territory and CDMA2000 1x to register this two processes, change the dual-mode terminal residing network state informations of NeDS registration by these two registration processes, and by NeDS route SIP call out (comprising that PSTN calls out) on the contrary to the calling of CDMA20001x circuit commutative field or.
Related to the present invention is the process of dual-mode terminal in the registration of CDMA2000 1x circuit commutative field, as shown in Figure 4, UE1 sends Registration Message (registration message) to 1x BS, 1x BS sends Location Updating Request (position updating request) to MSC/VLR, MSC/VLR sends REGNOT (registration notification) to HLR, HLR sends REGCANC (registration cancellation) to NeDS, NeDS returns to HLR regcanc (cancellation response), HLR returns regnot (registration response) to MSC/VLR, MSC/VLR returns to 1x BSLocation Updating Accept (position is upgraded and accepted), at last, 1x BS returns Registration Accepted Order (registration takes orders) to UE1.
After the explanation network configuration, now embodiments of the present invention are introduced.At first, in conjunction with Fig. 5, first embodiment of the invention is described.
In step S501, mobile switch MSC determines the registration type of portable terminal according to the registration message that receives.Because network configuration of the present invention belongs to the situation of CDMA2000 1x and HRPD coexistence, so the registration message that mobile switch MSC receives also is to be sent by BSC or AN.Mobile switch MSC determines that the method for registration type can have four kinds:
First method is the number range that enlarges existing Location Updating Request message Registration Type (registration type) data field, increase an enumerated value with identifier register be undertaken by CDMA2000 1x or undertaken by HRPD.For example, if undertaken by HRPD, AN just fills in described enumerated value in Registration Type territory when sending Location Updating Request message.
Second method is the existing Location Updating Request message of expansion, increases a data field with the identifier register type.If the Location UpdatingRequest message that AN sends, then filling out an expression is the value of registering indirectly.If the Location Updating Request message that BSC sends, then to fill out an expression be the value of directly registration or do not fill out any value.
The third method is that AN does not use Location Updating Request message, but registers by sending new message.For example, it can be referred to as LocationUpdating Request2 message.Like this, by different registration messages, MSC just can judge that the indirect registration from AN still is from the direct registration of BSC.The advantage of this method is not need to change existing BSC, can not impact BSC.
The 4th kind of method is to distinguish the information of AN and BSC in the MSC configuration.By distinguishing configuration, address rule clocklike for example, MSC knows that the register requirement from AN still is from the register requirement of BSC.MSC can be classified as the former indirect registration type automatically, and the latter is classified as the type of direct registration.The advantage of this method is the A1/A1p interface that does not influence AN and MSC, does not also influence existing AN and BSC.
Enter step S502, described mobile switch MSC is notified to described registration type the Visited Location Registor VLR of former registration by Visited Location Registor VLR and attaching position register HLR.This process can be divided into three steps and realize.As shown in Figure 6, in step S5021, MSC transmits registration type information to VLR, if closing, MSC and VLR establish, and be internal interface between MSC and the VLR then.Being arranged if MSC and VLR divide, then is MAP (mobile application protocol) interface between MSC and the VLR.No matter be internal interface or MAP interface, on specific implementation, have several different methods and reach this purpose.For using the MAP interface, a kind of method that realizes is the SystemAccessType data field of expansion REGNOT message, increases an enumerated value with the identifier register type, for example, MSC fills in this enumerated value at the SystemAccessType data field when sending REGNOT message.In other cases, the MSC value of filling in this data field according to original CDMA2000 1x circuit domain core net standard.The method of another realization is an expansion REGNOT message, increase a data field, in order to identify this registration is indirect registration by HRPD or the direct registration by CDMA2000 1x, and for example, MSC fills in the numerical value of registration type when sending REGNOT message.The third method is to increase a kind of new registration notification message, for example, it can be referred to as REGNOT2 message.Like this, by different registration notification message, just can distinguish directly registration or registration indirectly.Enter step S5022, VLR transmits registration type information to HLR, on specific implementation, has several different methods and reaches this purpose.A kind of method that realizes is the SystemAccessType data field of expansion REGNOT message, increases an enumerated value with the identifier register type, and for example, VLR fills in this enumerated value at the SystemAccessType data field when sending REGNOT message.In other cases, the VLR value of filling in this data field according to original CDMA2000 1x circuit domain core net standard.The method of another possibility is an expansion REGNOT message, increases this registration of data domain identifier and be indirect registration by HRPD or the direct registration by CDMA2000 1x, for example, VLR when sending REGNOT message, fill in registration type numerical value.The third method is to increase a kind of new registration notification message, for example, it can be referred to as REGNOT2 message.Like this, by different registration notification message, just can distinguish directly registration or registration indirectly.Enter step S5023, HLR is according to the indicated registration type of the REGNOT message that receives or understand the type of registration according to different registration messages, Visited Location Registor VLR to former registration transmits registration type then, on specific implementation, has several different methods and reaches this purpose.A kind of method that realizes is the CancellationType data field of expansion REGCANC message, increases an enumerated value with the identifier register type, and for example, HLR fills in this enumerated value at the RegistrationType data field when sending REGCANC message.In other cases, the HLR value of filling in this data field according to original CDMA2000 1x circuit domain core net standard.The method of another realization is an expansion REGCANC message, increases this registration of data domain identifier and be indirect registration by HRPD or the direct registration by CDMA2000 1x, and for example, HLR fills in the numerical value of registration type when sending REGCANC message.
Please again referring to the step S503 of Fig. 5, the Visited Location Registor VLR of described former registration deletes the log-on message of described portable terminal or operates accordingly according to described registration type.When the Visited Location Registor VLR of described former registration was NeDS, NeDS taked different treatment measures according to the type of registration when receiving the registration cancellation message that HLR sends.Need explanation the time, the role who can be used as VLR during NeDS receives REGCANC (cancel register) message from HLR, the registration type information that NeDS carries according to registration cancellation message is taked different measures:
If registration is the direct registration by CDMA2000 1x, then handle, and triggering is to the cancellation SIP registration process of HSS according to the mode of stipulating among the X.P0042-001-0_v1.0VCI Stage-2 v0.4.Because in this case, dual-mode terminal has been transferred to CDMA2000 1x from HRPD;
If registration is indirect registration by HRPD, then after finishing current de-registration procedure, initiate a new registration process at once, make HLR cancel the VLR of former registration, re-register on the NeDS, and do not trigger cancellation SIP registration process HSS.Because in this case, dual-mode terminal remains and resides in HRPD rather than CDMA2000 1x.
When the Visited Location Registor VLR of described former registration is non-NeDS, when receiving REGCANC message, can ignore this data field with this growth data territory, it is not carried out any processing.
Fig. 5 realizes a kind of possible implementation of the present invention, now in conjunction with Fig. 7, second embodiment of the invention is described.
In step S701, mobile switch MSC determines the registration type of portable terminal according to the registration message that receives.Because network configuration of the present invention belongs to the situation of CDMA2000 1x and HRPD coexistence, so the registration message that mobile switch MSC receives also is to be sent by BSC or AN.Mobile switch MSC determines that the method for registration type can have four kinds:
First method is the number range that enlarges existing Location Updating Request message Registration Type (registration type) data field, increase an enumerated value with identifier register be undertaken by CDMA2000 1x or undertaken by HRPD.For example, if undertaken by HRPD, AN just fills in described enumerated value in Registration Type territory when sending Location Updating Request message.
Second method is the existing Location Updating Request message of expansion, increases a data field with the identifier register type.If the Location UpdatingRequest message that AN sends, then filling out an expression is the value of registering indirectly.If the Location Updating Request message that BSC sends, then to fill out an expression be the value of directly registration or do not fill out any value.
The third method is that AN does not use Location Updating Request message, but registers by sending new message.For example, it can be referred to as LocationUpdating Request2 message.By different registration messages, MSC just can judge that the indirect registration from AN still is from the direct registration of BSC.The advantage of this method is not need to change existing BSC, can not impact BSC.
The 4th kind of method is to distinguish the information of AN and BSC in the MSC configuration.By distinguishing configuration, address rule clocklike for example, MSC knows that the register requirement from AN still is from the register requirement of BSC.MSC can be classified as the former indirect registration type automatically, and the latter is classified as the type of direct registration.The advantage of this method is the A1/A1p interface that does not influence AN and MSC, does not also influence existing AN and BSC.
Enter step S702, described mobile switch MSC is notified to attaching position register HLR by Visited Location Registor VLR with described registration type.This process can be divided into two steps:
Step 1: if MSC and VLR close establishing, is internal interface between MSC and the VLR then.Being arranged if MSC and VLR divide, then is MAP (mobile application protocol) interface between MSC and the VLR.No matter be internal interface or MAP interface, on specific implementation, have several different methods and reach this purpose.For using the MAP interface, a kind of method that realizes is the SystemAccessType data field of expansion REGNOT message, increases an enumerated value with the identifier register type, for example, MSC fills in this enumerated value at the SystemAccessType data field when sending REGNOT message.In other cases, the MSC value of filling in this data field according to original CDMA2000 1x circuit domain core net standard.The method of another realization is an expansion REGNOT message, increase a data field, in order to identify this registration is indirect registration by HRPD or the direct registration by CDMA2000 1x, and for example, MSC fills in the numerical value of registration type when sending REGNOT message.The third method is to increase a kind of new registration notification message, for example, it can be referred to as REGNOT2 message.Like this, just can distinguish directly registration or registration indirectly by different registration notification message.
Step 2:VLR transmits registration type information to HLR, on specific implementation, has several different methods and reaches this purpose.A kind of method that realizes is the SystemAccessType data field of expansion REGNOT message, increases an enumerated value with the identifier register type, and for example, VLR fills in this enumerated value at the SystemAccessType data field when sending REGNOT message.In other cases, the VLR value of filling in this data field according to original CDMA2000 1x circuit domain core net standard.The method of another possibility is an expansion REGNOT message, increases this registration of data domain identifier and be indirect registration by HRPD or the direct registration by CDMA2000 1x, for example, VLR when sending REGNOT message, fill in registration type numerical value.The third method is to increase a kind of new registration notification message, for example, it can be referred to as REGNOT2 message.Like this, just can distinguish directly registration or registration indirectly by different registration notification message.
In step S703, described attaching position register HLR judges whether the Visited Location Registor VLR of former registration is network domains selected cell NeDS, if, enter step S704, otherwise, step S705 entered.Wherein, described attaching position register HLR can pass through configuration information, and described network domains selected cell NeDS and described non-network domains selected cell NeDS are distinguished.
In step S704, described attaching position register HLR selects NeDS to send the first registration cancellation message to described network domains, the described first registration cancellation message comprises described registration type, and described network domains selected cell NeDS operates accordingly according to described registration type.On specific implementation, have several different methods and reach this purpose.A kind of method that realizes is the CancellationType data field of the former REGCANC message of expansion, increases an enumerated value with the identifier register type, and for example, HLR fills in this enumerated value at the RegistrationType data field when sending REGCANC message.In other cases, the HLR value of filling in this data field according to original CDMA2000 1x circuit domain core net standard.The method of another realization is the former REGCANC message of expansion, increases this registration of data domain identifier and be indirect registration by HRPD or the direct registration by CDMA2000 1x, and for example, HLR fills in the numerical value of registration type when sending REGCANC message.NeDS according to registration type, can take different measures after receiving registration cancellation message:
If registration is the direct registration by CDMA2000 1x, then handle, and triggering is to the cancellation SIP registration process of HSS according to the mode of stipulating among the X.P0042-001-0_v1.0VCI Stage-2 v0.4.Because in this case, dual-mode terminal has been transferred to CDMA2000 1x from HRPD;
If registration is the indirect registration by HRPD, then after finishing current de-registration procedure, initiate a new registration process at once, make the HLR cancellation MSC/VLR of registration just now, re-register on the NeDS, and do not trigger cancellation SIP registration process HSS.Because in this case, dual-mode terminal remains and resides in HRPD rather than CDMA2000 1x.
In step S705, described attaching position register HLR sends the second registration cancellation message to the Visited Location Registor VLR of described former registration, and the described second registration cancellation message does not comprise described registration type, for example, can use former REGCANC message.The Visited Location Registor VLR of described former registration deletes the log-on message of described portable terminal.
By above-mentioned first embodiment and second embodiment as can be seen, begin up to the signaling procedure of NeDS from MSC, MSC, VLR, HLR and NeDS can both accurately know the residing network state of portable terminal.Referring again to Fig. 3, suppose from NeDS to I/S-CSCF, PDSN, AN, UE are the normal SIP call signaling path of HRPD carrying, it from PDSN to UE the bearer channel of having set up, be sip message is directly sent to UE from I/S-CSCF sip agent, here with this path called after first path.And from NeDS to I/S-CSCF, MGCF, MSC/VLR, AN be that SIP calls out and is routed to CDMA2000 1x circuit commutative field and sets up the calling signaling path by cross-paging by NeDS to UE, in this path, the SIP signaling is converted to the ISUP signaling by MGCF, pass through MSC again, BSC, the processing of AN etc., pass through CSNA function paging UE on HRPD pellucidly at last, here with this path called after second path.If portable terminal is in the HRPD network state, and this moment, NeDS thought that portable terminal is in CDMA2000 1x network, then can set up and call out by second path rather than first path, this will make portable terminal switch to connecting system on the frequency of CDMA2000 1x by the HRPD state, this calling procedure has obviously prolonged the time of call setup, and because call treatment link and call handling process become complicated more, when portable terminal switches frequency, need search cell again, and execution inserts the basic operation of CDMA2000 1x system, more reduce the reliability of call setup, improved the percent of call lost.But,, thereby make calling procedure select a more suitable path to finish exactly because the first embodiment of the present invention and second embodiment provide the registration type that makes the clear and definite portable terminal of NeDS.
In addition, because when portable terminal switches to the calling of CDMA2000 1x receiving circuit switching domain from HRPD, must interrupt HRPD and go up ongoing other data access service, for example Ftp (file transfer protocol (FTP)) or Web Browsing (browsing of webpage), this is very unfriendly for the user, and is unnecessary.
In addition, if it is direct registration by CDMA2000 1x that the first embodiment of the present invention and second embodiment have mentioned portable terminal, then NeDS can trigger the cancellation SIP registration process to HSS, in the voice intercommunication scheme between IMS territory and circuit commutative field, when if portable terminal is registered to CDMA2000 1x circuit domain, can trigger NeDS and delete original CDMA2000 1x log-on message, but can not trigger NeDS to HSS cancellation SIP registration, so HSS still indicates this portable terminal to be in the state of SIP registration this moment, if this portable terminal has left the IMS territory that HRPD carried, this will cause short message to transmit failure.Owing to the invention provides the direct registration of portable terminal by CDMA2000 1x, NeDS will trigger the scheme to the cancellation SIP registration process of HSS, at this moment, if short messaging gateway needs the short message of transmitting mobile terminal, short messaging gateway inquiry HSS, the result who obtains is that portable terminal is not in SIP login state (identical with the mobile terminal state of reality), thus short message can be sent to portable terminal by CDMA2000 1x system, so can avoid above-mentioned generation of defects fully.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (16)
1. the register method of code division multiple access system and high-speed grouped data system interoperability is characterized in that comprising:
A. mobile switch MSC determines the registration type of portable terminal;
B. described mobile switch MSC is notified to described registration type the Visited Location Registor VLR of former registration by Visited Location Registor VLR and attaching position register HLR;
C. the Visited Location Registor VLR of described former registration deletes the log-on message of described portable terminal or operates accordingly according to described registration type.
2. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, the process that it is characterized in that performing step A is: base station controller BSC or Access Network AN send location update request message to described mobile switch MSC, described location update request message has the enumerated value of the described registration type of sign, and perhaps described location update request message has one in order to indicate the numerical value territory of described registration type.
3. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, the process that it is characterized in that performing step A is: base station controller BSC or Access Network AN send different login request message respectively to described mobile switch MSC, described mobile switch MSC determines described registration type according to described different login request message.
4. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, the process that it is characterized in that performing step A is: described mobile switch MSC configuration sends the base station controller BSC of login request message and the information of Access Network AN in order to difference, to determine described registration type.
5. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, the process that it is characterized in that performing step B comprises: described mobile switch MSC sends registration notification message to described Visited Location Registor VLR, described registration notification message has the enumerated value of the described registration type of sign, and perhaps described registration notification message has one in order to indicate the numerical value territory of described registration type.
6. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, the process that it is characterized in that performing step B comprises: described mobile switch MSC is according to the difference of described registration type, selection sends first registration notification message or second registration notification message to described Visited Location Registor VLR, and described first registration notification message has different sign ID respectively with described second registration notification message.
7. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, the process that it is characterized in that performing step B comprises: described Visited Location Registor VLR sends registration notification message to described attaching position register HLR, described registration notification message has the enumerated value of the described registration type of sign, and perhaps described registration notification message has one in order to indicate the numerical value territory of described registration type.
8. the register method of code division multiple access system as claimed in claim 6 and high-speed grouped data system interoperability, the process that it is characterized in that performing step B comprises: described Visited Location Registor VLR is according to the difference of described registration type, selection sends first registration notification message or second registration notification message to described attaching position register HLR, and described first registration notification message has different sign ID respectively with described second registration notification message.
9. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, the process that it is characterized in that performing step B comprises: described attaching position register HLR sends registration cancellation message to the Visited Location Registor VLR of described former registration, the enumerated value that described registration cancellation message has the described registration type of sign, perhaps described registration cancellation message has one in order to indicate the numerical value territory of described registration type.
10. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, it is characterized in that: when the Visited Location Registor VLR of described former registration was network domains selected cell NeDS, described network domains selected cell NeDS operated accordingly according to described registration type.
11. the register method of code division multiple access system as claimed in claim 10 and high-speed grouped data system interoperability, it is characterized in that:, then trigger cancellation session initiation protocol SIP registration process home signature user server HSS if described registration type identifier register is undertaken by code division multiple access system.
12. the register method of code division multiple access system as claimed in claim 10 and high-speed grouped data system interoperability, it is characterized in that: if described registration type identifier register is undertaken by high-speed grouped data system, then send new registration message to described attaching position register HLR, make described attaching position register HLR cancel the Visited Location Registor VLR of described former registration, re-register described network domains selected cell NeDS, and do not trigger cancellation session initiation protocol SIP registration process home signature user server HSS.
13. the register method of code division multiple access system as claimed in claim 1 and high-speed grouped data system interoperability, it is characterized in that: when the Visited Location Registor VLR of described former registration is non-network domains selected cell NeDS, the Visited Location Registor VLR of described former registration disregards registration type, deletes the log-on message of described portable terminal.
14. the register method of code division multiple access system and high-speed grouped data system interoperability is characterized in that comprising:
A. mobile switch MSC determines the registration type of portable terminal;
B. described mobile switch MSC is notified to attaching position register HLR by Visited Location Registor VLR with described registration type;
C. described attaching position register HLR judges whether the Visited Location Registor VLR of former registration is network domains selected cell NeDS, if, enter step D, otherwise, step e entered;
D. described attaching position register HLR selects NeDS to send the first registration cancellation message to described network domains, and the described first registration cancellation message comprises described registration type, and described network domains selected cell NeDS operates accordingly according to described registration type;
E. described attaching position register HLR sends the second registration cancellation message to the Visited Location Registor VLR of described former registration, the described second registration cancellation message does not comprise described registration type, and the Visited Location Registor VLR of described former registration deletes the log-on message of described portable terminal.
15. the register method of code division multiple access system as claimed in claim 14 and high-speed grouped data system interoperability, it is characterized in that: the enumerated value that the described first registration cancellation message has the described registration type of sign, the perhaps described first registration cancellation message has one in order to indicate the numerical value territory of described registration type.
16. the register method of code division multiple access system as claimed in claim 14 and high-speed grouped data system interoperability, it is characterized in that: described attaching position register HLR distinguishes described network domains selected cell NeDS and described non-network domains selected cell NeDS by configuration information.
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|---|---|---|---|
| CNA2006100653554A CN101043707A (en) | 2006-03-23 | 2006-03-23 | Register method for mutual operation of CDMA system and high-speed packet data system |
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| CNA2006100653554A CN101043707A (en) | 2006-03-23 | 2006-03-23 | Register method for mutual operation of CDMA system and high-speed packet data system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152738A1 (en) * | 2008-06-17 | 2009-12-23 | 华为技术有限公司 | Method and device for detaching user equipment |
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- 2006-03-23 CN CNA2006100653554A patent/CN101043707A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152738A1 (en) * | 2008-06-17 | 2009-12-23 | 华为技术有限公司 | Method and device for detaching user equipment |
| US8619712B2 (en) | 2008-06-17 | 2013-12-31 | Huawei Technologies Co., Ltd. | Method and device for detaching user equipment |
| US8861496B2 (en) | 2008-06-17 | 2014-10-14 | Huawei Technologies Co., Ltd. | Method and device for detaching user equipment |
| US9380552B2 (en) | 2008-06-17 | 2016-06-28 | Huawei Technologies Co., Ltd. | Method and device for detaching user equipment |
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