CN101001449A - Calling method of different accessing system - Google Patents
Calling method of different accessing system Download PDFInfo
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- CN101001449A CN101001449A CNA2006100111442A CN200610011144A CN101001449A CN 101001449 A CN101001449 A CN 101001449A CN A2006100111442 A CNA2006100111442 A CN A2006100111442A CN 200610011144 A CN200610011144 A CN 200610011144A CN 101001449 A CN101001449 A CN 101001449A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/12—Inter-network notification
Abstract
This invention discloses a beeping method among different access systems, in which, a user side GW judges if a UE is at 3GPP equal connection state or 3GPP equal idle state by signaling interaction with a control side GW, when the UE is at the connection state, the user side GW sends down data packets via the existing user side connection, when the UE is at the idle state, the user side GW carries out broadfield beeping to UE at the idle state among different access systems to set up user side connection and transmit the down data packets.
Description
Technical field
The present invention relates to mobile communication technology, be specifically related to the paging method between different access systems.
Background technology
Along with Wimax (World Interoperability for Microwave Access, global microwave access intercommunication) sudden emergence, 3-G (Generation Three mobile communication system) will keep its strong competitiveness at moving communicating field, must improve its network performance and reduce networking and operation cost.Therefore, 3GPP (3rdGeneration Partnership Project, third generation partner program) standardization effort group, just be devoted to research at present to PS Core (Packet Switch Core, the packet switch core net) and UTRAN (Universal Mobile Telecommunication System Radio Access Network, the global system for mobile communications wireless access network) evolution, the problem of this research is called System Architecture Evolution (SystemArchitecture Evolution, be called for short SAE), purpose is to make the PS Core (being called for short E-PS Core) of evolution that higher transmission rate can be provided, shorter transmission delay, optimize grouping, and support E-UTRAN (Evolved UTRAN, the UTRAN of evolution), UTRAN, mobile management between the access network of WLAN (Wireless Local AreaNetwork, WLAN (wireless local area network)) and other non-3GPP.
How to realize that the mobile management of UE (User Equipment, subscriber equipment) between E-UTRAN and UTRAN/GERAN (GSM EDGE Radio Access Network, GSM EDGE Radio Access Network) is the emphasis problem of SAE research.A kind of framework and solution that is in the Signalling exchange of the mobile management of UE between E-UTRAN and UTRAN/GERAN under the idle condition that be intended to reduce proposed in 3GPP TS23.882.
Fig. 1 shows and is intended to reduce the framework that is in UE Signalling exchange of mobile management between E-UTRAN and UTRAN under the idle condition.
(the Serving GPRS Support Node of SGSN in this framework, service general grouping service wireless support node) for supporting the SGSN of 3-G (Generation Three mobile communication system), RNC (Radio networkController, radio network controller) is radio network controller in the third generation communication system, SGSN is by GTP-U (GPRS Tunnel Protocol-User Plane, GPRS Tunnel Protocol-user's face) is connected to UP-GW (the User Plane-Gateway of SAE, user plane gateway), 2G/3G SGSN is by GTP-C (GPRS Tunnel Protocol-Control Plane, GPRS Tunnel Protocol-chain of command) is connected to the CP-GW (Control Plane-Gateway, chain of command gateway) of SAE.AP (Access Point, access point) is base station among the E-UTRAN, for UE with E-UTRA ability, SGSN does not send direct MAP (Mobile Application Part, MAP) signaling is given HLR/HSS (HomeLocation Register/Home Subscriber Server, attaching position register/home subscriber server), but send to HSS or AAA Server (Authentication by CP-GW, Authorizationand Accounting Server, checking, mandate and account server).
Fig. 1 equally can be corresponding to the framework when UE is mobile between E-UTRAN and GERAN, and at this moment, the SGSN among Fig. 1 represents 2G SGSN, and RNC is corresponding to BSC (Base Station Controller, base station controller).
Based on Fig. 1 framework, this agreement has also proposed one and has been equal to route district (Equivalent RoutingAreas) notion, has following explanation for this route district:
The sub-district that AP that E-UTRA covers and UTRA/GERA cover is in independently route district or lane place;
According to attachment update or routing update, UE can be accepted by a plurality of Equivalent Routing Areas, typical example is, the route district of an E-UTRA, the route district of a UTRA/GERA, UE can be assigned with different P-TMSI (Packet TemperateMobile Subscription Identity, grouping temporary mobile subscriber identity) simultaneously in different tracing areas;
When UE in LTE-IDLE State (the user's idle condition among the SAE/LTE, not setting up user's face between the network element of core net and the EUTRAN under this state is connected) and inactive (non-activation) UTRA state between when mobile, be equal in the route district collection as long as new sub-district belongs to, Signalling exchange does not take place between UE and the network;
Be in URA-PCH State (UTRAN Registration Area-Paging channel State, UTRAN Acceditation Area paging channel state) if UE moves to E-UTRA following time from UTRA and can not cause the Iu-PS release of (Iu Interface-Packet Switch connects the Iu interface between PS territory and the RNC);
If new sub-district is not in the tabulation of Equivalent Routing Area, then UE carries out normal RAU (Routing Area Update) flow process;
When UE changes wireless access technology under state of activation, need signaling between UE and the network and guarantee that number of users possesses correct route, the state of activation here comprises LTE-ACTIVE State (the user's idle condition among the SAE/LTE, exist between the network element of core net and the EUTRAN under this state and set up user's face and be connected), UTRA-Cell-DCH State (UTRA-Cell-Distributed Channel State, cell dedicated channel status) and GPRS-READY State (the user's connection status in the GSM network, exist between SGSN and the BSC under this state set up user's face be connected);
For UE with E-UTRA ability, GMM context (GPRS Mobility ManagementContext, the GPRS Mobility Management context) and SM context (Session ManagementContext, the session management context) by a context reference number (Context Reference Number, be called for short CRN) between SGSN and CP-GW, keep synchronously, when UE revises SMcontext or GMM context by E-UTRA, upgrade CRN, when UE is linked into UTRA or GERA, UE sends CRN to SGSN, SGSN checks that this CRN and the original CRN that preserves do not match, then want new SM context and GMM context to CP-GW, Security Context (safe related context) leaves between the E-UTRA at UE and will push SGSN to if upgrade;
Periodic RA Update Timer is replaced by Periodic SMU Timer, moves between UE and CP-GW;
If UE leaves LTE-ACTIVE state state, then UE need notify the UP-GW to its transmission/reception data;
When UE was in the LTE-IDLE state, if downlink data packet arrives UP-GW, then UP-GW and CP-GW got in touch, and were equal to initiation paging flow process in route district by CP-GW to all of UE then;
Paging flow process based on Equivalent Routing Areas notion has also been proposed in this agreement.The paging flow process as shown in Figure 2, when the downlink data bag arrives UP-GW and UE and is in LTE-ACTIVE state, existed between UP-GW and the AP and be connected, this moment, UP-GW directly sent packet to AP, after the LTE-ACTIVE State timer among the AP is out-of-date, connection between AP and the UP-GW is released, the PDP context of UP-GW (Packet Data Protocol context, two labels are arranged block data protocol context), whether an indication UE belongs to LTE-ACTIVE, it still is to set up on UTRA/2G at E-UTRA that the GTP-U tunnel is gone up in the another one indication, specifically comprises the steps:
Step 1, UP-GW functional unit receive downlink data packet and label " LTE-ACTIVE or not " (whether LTE-ACTIVE) indication " not " (not being);
Step 2, if when UP-GW receives downlink data packet, indication UE is originally in the coverage of SGSN for label " last used tunnel " (the last tunnel that uses), then UP-GW sends to UTRA/2G SGSN with downlink data packet; When 2G-SGSN receives downlink data, if UE is in GPRS-READY state, SGSN directly sends to BSS with packet, if UE is in GPRS-STANDBY state, SGSN initiates paging by BSS to UE, and directly duplicates a packet and give UP-GW, and indication UP-GW " paging in wider area " (wide area paging), when 2G paging flow process finished, SGSN returned an indication and gives UP-GW, and whether UE can reach; When 3G-SGSN receives downlink data, if the Iu of this UE connects existence, then SGSN hands to RNC with packet, if UE is in URA_PCH State or CELL_PCH State, then RNC passes through SGSN return data bag immediately, and indication UP-GW " paging in wider area ", in case the paging flow process finishes, SGSN returns an indication and gives UP-GW, and whether UE can reach; If UE is in the Cell_DCH state, packet will directly be fed to UE; If the Iu of this UE connects and do not exist, then SGSN initiates paging by UTRAN to UE, and duplicates a packet immediately and give UP-GW, and indication UP-GW " paging inwider area ", in case 3G paging flow process finishes, SGSN returns an indication and gives UP-GW, and whether UE can reach;
Step 4, CP-GW initiates paging to all not paged AP that arrive and SGSN;
Step 6 in case UE receives beep-page message, can be returned page response, and this response can be theService Request/Cell Update message (or E-UTRA similar command), and in UTRA/2G, SGSN returns page response to CP-GW;
Step 7, AP (or SGSN) and UP-GW connect, (SGSN need connect by CP-GW and UP-GW), after connection is set up, the packet that is buffered in UP-GW will be sent to UE;
Step 8, its control of AP notice CP-GW UE, CP-GW sends to AP with QoS then;
Step 9, CP-GW notifies UP-GW, and the paging flow process is finished.
Above-mentioned paging flow process proposes Equivalent Routing Areas notion, to reduce the Signalling exchange of mobile management under the idle condition, but in above-mentioned steps 2) in, because UP-GW does not know whether UE Gb/Iu mouth in 2G/3G has connection, so just blindness is dealt into SGSN with packet, in case finding the Gb/Iu mouth does not connect, SGSN is when needs process packet, also want the return data bag, and UP-GW could initiate to seek to other AP when receiving the packet that returns once more, has reduced paging efficiency.If under the very high situation of data rate, may cause SGSN at short notice mass data to be carried out buffer memory and forwarding, if this moment, in fact UE was in the LTE-IDLE pattern, this processing is unnecessary.
Summary of the invention
For solving in the prior art owing to send the unnecessary problem of some signaling process in the low and prior art of paging efficiency that the blindness of packet causes to SGSN, the object of the present invention is to provide the paging method between a kind of different access systems, reduce the Signalling exchange of UE mobile management under the IDLE pattern, improve paging efficiency.
To achieve these goals, the invention provides the paging method between a kind of different access systems, wherein, user plane gateway is in 3GPP by subscriber equipment to be equal to connection status still is that 3GPP is equal to idle condition by judging by Signalling exchange with the chain of command gateway, when subscriber equipment is in 3GPP and is equal to connection status, then connect by existing subscriber's face and send downlink data packet by user plane gateway, when subscriber equipment is in 3GPP and is equal to idle condition, then, set up user's face and connect back transmission downlink data packet by then the subscriber equipment that is in idle condition between different access systems being carried out wide area paging by the chain of command gateway.
Paging method between above-mentioned different access systems wherein specifically comprises the steps:
Step S1, carry out Signalling exchange between user plane gateway and the chain of command gateway, judge and to be in 3GPP by subscriber equipment to be equal to connection status still be that 3GPP is equal to idle condition, be equal to idle condition if be in 3GPP, then enter step S2, be equal to connection status if be in 3GPP, the chain of command gateway directly returns page response to user plane gateway, is connected by existing subscriber's face by user plane gateway to send downlink data packet;
Step S2, the chain of command gateway sub-district in paging domain sends paging;
Step S3 after subscriber equipment receives beep-page message, returns page response to the chain of command gateway;
Step S4 after the chain of command gateway receives page response, returns page response to user plane gateway;
Step S5 sets up user's face and connects, and sends downlink data packet.
Paging method between above-mentioned different access systems, concrete following steps are judged and are in 3GPP by subscriber equipment to be equal to connection status still be that 3GPP is equal to idle condition among the wherein said step S1:
Paging method between above-mentioned different access systems, wherein said step S2 specifically comprises:
Paging method between above-mentioned different access systems, wherein said step S1 specifically comprises:
Step 501, downlink data packet arrives user plane gateway, and user plane gateway judges whether UE is in the LTE-ACTIVE state, if not then entering step 502;
Step 502, user plane gateway sends paging request or query requests to the chain of command gateway, and described paging request or query requests comprise the information that whether needs wide area paging;
Step 503, if set up between service general grouping service wireless support node and the wireless access network user's face connect set up that user's face connects and step 502 in the paging request or query requests in indication do not need wide area paging, then the chain of command gateway directly returns page response to user plane gateway, is connected by existing subscriber's face by user plane gateway to send downlink data packet; Disconnected user's face between connection of user's face and user plane gateway and the E-UTRAN and be connected if disconnected between service general grouping service wireless support node and the wireless access network, or indication needs wide area paging in paging request in the step 502 or the query requests, then enters step S2.
Paging method between above-mentioned different access systems, when wherein the page response information indication subscriber equipment of receiving when user plane gateway among the described step S4 is in the UTRAN coverage, user plane gateway is issued radio network controller with packet by 3G service general grouping service wireless support node among the described step S5, if subscriber equipment is in the URA connection status, then radio network controller is immediately by 3G service general grouping service wireless support node return data bag, and the indication user plane gateway is at bigger area paging, if subscriber equipment is in the Cell connection status, packet will directly be fed to subscriber equipment.
Paging method between different access systems of the present invention is in 3GPP to be equal to connection status still is that 3GPP is equal to idle condition by prejudging subscriber equipment with chain of command gateway Signalling exchange by user plane gateway, thereby take more effectively paging mode, make UE can be linked into a plurality of connecting systems simultaneously, and as long as UE is in the route district that is equal to, just do not send routing update, make the Signalling exchange of UE mobile management under the IDLE pattern significantly reduce, and the UE that is in idle condition between different access systems carried out wide area paging immediately, improved the efficient of paging.The present invention does not need SGSN that downlink data packet is dealt with, and reduces the change to former protocols having, and backwards compatibility is better.
Description of drawings
Fig. 1 shows the system schematic of supporting mobile management between the multi-access systems;
Fig. 2 shows prior art based on the paging method between the multi-access systems that is equal to the route district;
Fig. 3 shows the update method flow chart that is equal to mobility management states among the present invention;
Fig. 4 shows the paging flow chart based on the proactive notification mode among the present invention;
Fig. 5 shows the paging flow chart of the query pattern among the present invention.
Embodiment
The present invention has designed the paging method between a kind of different access systems, is used to solve the UE paging method when mobile between UTRAN/GERAN and E-UTRAN that is in idle pulley.
In the paging method between different access systems of the present invention, judge by user plane gateway itself whether UE is in the LTE-ACTIVE state, simultaneously when UE is in non-LTE-ACTIVE state, make user plane gateway can well distinguish the UE current PMM-CONNECTED of belonging to State/GPRS-READY State or PMM-IDLEState/GPRS-STANDBY State and LTE-ACTIVE State by the Signalling exchange between user plane gateway and the chain of command gateway, 3GPP is equal to connection status (3GPP Equivalent CONNECTED State) or 3GPP is equal to idle condition (3GPP Equivalent IDLE State) thereby judgement UE is in, thereby when downlink data packet arrives UP-GW, take a kind of more efficiently paging method according to the UE state.
LTE-ACTIVE State wherein, the user's connection status among the SAE/LTE exists between the network element of core net and the EUTRAN under this state and sets up user's face and be connected; PMM-CONNECTED State (Packet Mobility Management-Connected State) is the user's connection status in the UMTS network, exists between SGSN and the RNC under this state to set up user's face and be connected; GPRS-READY State is the user's connection status in the GSM network, exists between SGSN and the BSC under this state to set up user's face and be connected; LTE-IDLE State is the user's idle condition among the SAE/LTE, does not set up the user between the network element of core net and the EUTRAN under this state and is connected; PMM-IDLE State (Packet MobilityManagement-Connected State) is the user's idle condition in the UMTS network, does not set up user's face between SGSN and the RNC under this state and is connected; GPRS-STANDBY State is the user's idle condition in the GSM network, does not set up user's face between SGSN and the BSC under this state and is connected.
Paging method between different access systems of the present invention specifically comprises the steps:
Step S1, carry out Signalling exchange between user plane gateway and the chain of command gateway, judge that UE is in 3GPP and is equal to connection status (3GPP Equivalent CONNECTED State) and still is in 3GPP and is equal to idle condition (3GPP Equivalent IDLE State), if be in 3GPP Equivalent IDLE State, then enter step S2, if be in 3GPP Equivalent CONNECTED State, the chain of command gateway directly finishes after user plane gateway is returned page response;
Step S2, the chain of command gateway sub-district in paging domain sends paging, and wherein this sub-district is included in all sub-districts that are in the not paged mistake in GERAN/UTRAN and the E-UTRAN coverage under this paging domain;
Step S3 after UE receives beep-page message, returns page response to the chain of command gateway; This page response, this response can be the request of identical function under service request/cell update message (Service Request/Cell Updatemessage) or the E-UTRAN, if UE is in the UTRAN/GERAN coverage, UE returns page response (Paging Response) by SGSN to CP-GW;
Step S4 after the chain of command gateway receives page response, returns page response to user plane gateway.
Wherein, among the step S1, the mode of carrying out Signalling exchange between user plane gateway and the chain of command gateway comprises proactive notification mode and inquiry mode, and wherein when adopting proactive notification mode Signalling exchange mode, described step S1 specifically comprises:
Step S11, UE enters a state GPRS-READY State, PMM-CONNECTEDState or the LTE-ACTIVE State from other states, be to have set up between SGSN and the GERAN/UTRAN to have set up user's face between the connection of user's face or UP-GW and the E-UTRAN and be connected, then CP-GW sends to UP-GW and is equal to mobility management states updating message (Equivalent MM state update), and indication UE is in 3GPP Equivalent CONNECTED State; If UE becomes to be in one or more GPRS-STANDBY State, PMM-IDLE State or three states of LTE-IDLE State from other state-transition, and UE is not in any one state among GPRS-READY State, PMM-CONNECTED State or the LTE-ACTIVE State, be to have disconnected user's face between SGSN and the wireless access network to connect, and having disconnected user's face between UP-GW and the E-UTRAN is connected, then CP-GW sends Equivalent MM state update message to UP-GW, and indication UE is in 3GPP EquivalentIDLE State;
Step S12, user plane gateway is preserved the UE state information in the Equivalent MM state update message, and upgrades response to chain of command gateway return state;
Step S13, when user plane gateway receives downlink data packet, and UE is when being in 3GPP EquivalentIDLE State, and user plane gateway sends the paging request to the chain of command gateway, enters step S2 then;
Wherein when adopting the Signalling exchange of inquiry mode, described step S1 specifically comprises:
Step S11 ', user plane gateway sends paging request or query requests to the chain of command gateway;
Step S12 ', the mobility management states of chain of command gateway inquiry UE, if UE is in PMM-CONNECTED State or GPRS-READY State, then the chain of command gateway directly returns to user plane gateway and seeks response, if UE is in PMM-IDLE State/GPRS-STANDBY State and LTE-IDLE State, then execution in step S2.
System framework of the present invention as shown in Figure 1, on the basis that is equal to the route district, increased the Signalling exchange of UP-GW and CP-GW, make that by this Signalling exchange UP-GW can be good at distinguishing the current PMM-CONNECTED of the belonging to State/GPRS of UE READY State or PMM-IDLEState/GPRS STANDBY State/LTE-IDLE is State, simultaneously because UP-GW itself just can judge whether UE is in the LTE-ACTIVE state, therefore can well distinguish the current PMM-CONNECTED of the belonging to State/GPRS of UE READY State/LTE-ACTIVEstate by Signalling exchange UP-GW or PMM-IDLE State/GPRS STANDBY State/LTE-IDLE is State, thereby when downlink data packet arrives UP-GW, take effective paging mode according to the state of UE.
The signaling interaction method of UP-GW and CP-GW can reduce two kinds, and a kind of is the proactive notification mode, and promptly initiatively to the mobility management states of UP-GW report UE, another is an inquiry mode to CP-GW, and promptly UP-GW is to the mobility management states of CP-GW inquiry UE.
Be described in more detail with regard to dual mode respectively below.
(1) proactive notification mode
MM CONTEXT (Mobility Management among CP-GW and the SGSN, mobile management) keeps synchronously, in UP-GW, defined the label of an expression UE mobility management states: " Equivalent MM State " (being equal to mobility management states), when UE is in LTE-IDLE State, PMM-IDLE State or GPRS-STANDBY State, and UE is not in GPRS-READYState, during any one state among PMM-CONNECTED State or the LTE-ACTIVE State, then Equivalent MM State indication UE is in " 3GPP Equivalent IDLE State ", when UE is in LTE-ACTIVE State, when PMM-CONNECTED State or GPRS-READY State, then Equivalent MM State indication UE is in " 3GPP Equivalent CONNECTED State ".
The proactive notification mode flow process of the mobility management states of UE as shown in Figure 3, concrete steps are as follows:
When step 302 UE enters state GPRS READY State, PMM-CONNECTEDState or the LTE-ACTIVE State from other states, be to have set up between SGSN and the wireless access network to have set up user's face between the connection of user's face or UP-GW and the E-UTRAN and be connected, then CP-GW sends Equivalent MM state update message to UP-GW, and indication UE is in 3 GPP EquivalentCONNECTED State; If UE becomes to be in one or more GPRS STANDBY State, PMM-IDLE State or three states of LTE-IDLE State from other state-transition, and UE is not in any one state among GPRS-READY State, PMM-CONNECTED State or the LTE-ACTIVE State, be to have disconnected between SGSN and the wireless access network having disconnected user's face between the connection of user's face and UP-GW and the E-UTRAN and being connected, CP-GW sends Equivalent MM stateupdate message to UP-GW, and indication UE is in 3GPP Equivalent IDLE State;
When the downlink data bag arrived UP-GW, UP-GW judged that according to Equivalent MM state UE is in 3GPP Equivalent CONNECTED State, then directly connected by existing user's face to send data;
For the paging flow process of the UE that is in 3GPP Equivalent IDLE State as shown in Figure 4, concrete steps are as follows:
(2) inquiry mode
Under the inquiry mode, CP-GW can't notify the mobility management states of UP-GW UE in advance, but when packet arrives UP-GW, UP-GW judges whether UE is in the LTE-ACTIVE state, when UE is in the LTE-ACTIVE state at present, then connect and send the data to UE by existing user's face, otherwise UP-GW sends a query messages (also can be a beep-page message) and gives CP-GW, CP-GW is to Query Information of UP-GW feedback, thereby distinguishes the current PMM-CONNECTED of the belonging to State/GPRS of UE READY State/LTE-ACTIVE State or PMM-IDLE State/GPRS STANDBY State/LTE-IDLE is State.Comprise the information that whether needs wide area paging in this query messages and the paging request.
The present invention can solve the paging method of while attached to the downlink data packet triggering of the UE of UTRAN/GERAN and UTRAN, and the paging flow process is the example explanation with paging request of UP-GW transmission to CP-GW as shown in Figure 5, and concrete steps are as follows:
Step 501, downlink data (Downlink Data) bag arrives UP-GW;
Step 502 (not shown), UP-GW judges whether UE is in the LTE-ACTIVE state, if connect the transmission downlink data packet by existing user's face, otherwise enters step 503;
Step 503, UP-GW sends paging request (Paging Request) to CP-GW, and this paging request comprises the information that whether needs wide area paging;
Step 504, the mobility management states of CP-GW inquiry UE, if UE is in PMM-CONNECTED State or GPRS-READY State, and paging request indication does not need wide area paging, then the chain of command gateway directly returns page response to user plane gateway, connect the transmission downlink data packet by user plane gateway by existing subscriber's face, (UE can be in PMM-IDLE/GPRS-STANDBY and LTE-IDLE simultaneously if UE is in PMM-IDLE State/GPRS-STANDBYState and LTE-IDLE State, but can not be in PMM-IDLE and GPRS-STANDBY simultaneously) or paging request indication need wide area paging, then execution in step 505;
Step 505, CP-GW sends paging by SGSN and the E-UTRAN that is equal under the route district to UE simultaneously;
Step 506, after UE receives beep-page message, return page response to CP-GW, this response can be the request of identical function under service request/cell update message (Service Request/Cell Update message) or the E-UTRAN), if UE is in the UTRAN/GERAN coverage, UE returns page response (Paging Response) by SGSN to CP-GW;
Step 507, CP-GW returns page response to UP-GW, and whether this response message indication UE is in the UTRAN/GERAN coverage at present;
Step 508 is set up user's face and is connected between UE and the UP-GW;
Step 509, UP-GW sends to the opposite end in the tunnel of indication in the response message with packet, and this step further comprises:
Step 509a, when the page response information indication UE that receives as UP-GW is in the UTRAN coverage at present, UP-GW issues 3G/SGSN with packet, 3G/SGSN issues RNC with packet, if UE is in URA CONNECTED state, then RNC is immediately by SGSN return data bag, and indication UP-GW " paging in wider area ", the paging flow process finishes, SGSN returns an indication and gives UP-GW, whether UE can reach, if UE is in Cell CONNECTED State, packet will directly be fed to UE;
Step 509b, the page response information indication UE that receives as UP-GW is in the GERAN coverage at present, and UP-GW issues 2G/SGSN with packet, and 2G/SGSN issues BSC with packet, sends to UE by GERAN;
Step 509c, when the page response information of receiving as UP-GW indication UE was in the E-UTRAN coverage at present, UP-GW directly was sent to E-UTRAN with packet.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (11)
1, paging method between a kind of different access systems, it is characterized in that, user plane gateway is in 3GPP by subscriber equipment to be equal to connection status still is that 3GPP is equal to idle condition by judging by Signalling exchange with the chain of command gateway, when subscriber equipment is in 3GPP and is equal to connection status, then connect by existing subscriber's face and send downlink data packet by user plane gateway, when subscriber equipment is in 3GPP and is equal to idle condition, then the subscriber equipment that is in idle condition between different access systems is carried out wide area paging, set up user's face and connect back transmission downlink data packet by the chain of command gateway.
2, the paging method between different access systems according to claim 1 is characterized in that, specifically comprises the steps:
Step S1, carry out Signalling exchange between user plane gateway and the chain of command gateway, judge and to be in 3GPP by subscriber equipment to be equal to connection status still be that 3GPP is equal to idle condition, be equal to idle condition if be in 3GPP, then enter step S2, be equal to connection status if be in 3GPP, the chain of command gateway directly returns page response to user plane gateway, is connected by existing subscriber's face by user plane gateway to send downlink data packet;
Step S2, the chain of command gateway sub-district in paging domain sends paging;
Step S3 after subscriber equipment receives beep-page message, returns page response to the chain of command gateway;
Step S4 after the chain of command gateway receives page response, returns page response to user plane gateway;
Step S5 sets up user's face and connects, and sends downlink data packet.
3, the paging method between different access systems according to claim 2 is characterized in that, the sub-district in the described paging domain is included in all sub-districts that are in the not paged mistake in GERAN/UTRAN and the E-UTRAN coverage under this paging domain.
4, the paging method between different access systems according to claim 2 is characterized in that, the page response among the described step S3 is the message of identical function under service request or cell update message or the E-UTRAN.
5, the paging method between different access systems according to claim 2, it is characterized in that, among the described step S3, when subscriber equipment is in the UTRAN/GERAN coverage, return page response to the chain of command gateway by service general grouping service wireless support node.
According to the paging method between claim 2,3,4 or 5 described different access systems, it is characterized in that 6, concrete following steps are judged and are in 3GPP by subscriber equipment to be equal to connection status still be that 3GPP is equal to idle condition among the described step S1:
Step 301, the chain of command gateway is checked the mobility of user equipment controlled state;
Step 302, set up user's face between connection of user's face or user plane gateway and the E-UTRAN and be connected if set up between service general grouping service wireless support node and the wireless access network, then the chain of command gateway sends to user plane gateway and is equal to the mobility management states updating message, and the indication subscriber equipment is in 3GPP and is equal to connection status; Disconnected user's face between connection of user's face and user plane gateway and the E-UTRAN and be connected if disconnected between service general grouping service wireless support node and the wireless access network, then the chain of command gateway sends to user plane gateway and is equal to the mobility management states updating message, and the indication subscriber equipment is in 3GPP and is equal to idle condition;
Step 303, user plane gateway are preserved and are equal to the mobility management states updating message, and return response message to the chain of command gateway.
7, the paging method between different access systems according to claim 6 is characterized in that, described step S2 specifically comprises:
Step 401, user plane gateway sends paging request message to the chain of command gateway;
Step 402, chain of command gateway detect the mobility management states of subscriber equipment at each connecting system, and send paging by the connecting system that subscriber equipment adheres to subscriber equipment.
8, according to the paging method between claim 2,3,4 or 5 described different access systems, it is characterized in that described step S1 specifically comprises:
Step 501, downlink data packet arrives user plane gateway, and user plane gateway judges whether UE is in the LTE-ACTIVE state, if not then entering step 502;
Step 502, user plane gateway sends paging request or query requests to the chain of command gateway, and described paging request or query requests comprise the information that whether needs wide area paging;
Step 503, if set up between service general grouping service wireless support node and the wireless access network user's face connect set up that user's face connects and step 502 in the paging request or query requests in indication do not need wide area paging, then the chain of command gateway directly returns page response to user plane gateway, is connected by existing subscriber's face by user plane gateway to send downlink data packet; Disconnected user's face between connection of user's face and user plane gateway and the E-UTRAN and be connected if disconnected between service general grouping service wireless support node and the wireless access network, or indication needs wide area paging in paging request in the step 502 or the query requests, then enters step S2.
9, paging method between different access systems according to claim 8, it is characterized in that, when the page response information indication subscriber equipment of receiving when user plane gateway among the described step S4 is in the UTRAN coverage, user plane gateway is issued radio network controller with packet by 3G service general grouping service wireless support node among the described step S5, if subscriber equipment is in the URA connection status, then radio network controller is immediately by 3G service general grouping service wireless support node return data bag, and the indication user plane gateway is at bigger area paging, if subscriber equipment is in the Cell connection status, packet will directly be fed to subscriber equipment.
10, the paging method between different access systems according to claim 9, it is characterized in that, the page response information indication subscriber equipment that user plane gateway is received in described step S4 is in the GERAN coverage, and user plane gateway sends to subscriber equipment with packet by 2G service general grouping service wireless support node, base station controller and GERAN.
11, the paging method between different access systems according to claim 10, it is characterized in that, when the page response information indication subscriber equipment of receiving when user plane gateway among the described step S4 was in the E-UTRAN coverage, user plane gateway directly was sent to E-UTRAN with packet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN200610011144A CN101001449B (en) | 2006-01-10 | 2006-01-10 | Calling method of different accessing system |
| PCT/CN2007/000098 WO2007079689A1 (en) | 2006-01-10 | 2007-01-10 | A method for paging in different access systems |
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| CN200610011144A CN101001449B (en) | 2006-01-10 | 2006-01-10 | Calling method of different accessing system |
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| Publication number | Publication date |
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| WO2007079689A1 (en) | 2007-07-19 |
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