CN1972255A

CN1972255A - Network system for implementing fixed-mobile integration in regional environment and its UMA gateway

Info

Publication number: CN1972255A
Application number: CN 200510110769
Authority: CN
Inventors: 周宏�; 段军
Original assignee: Alcatel Lucent Shanghai Bell Co Ltd
Current assignee: Nokia Shanghai Bell Co Ltd
Priority date: 2005-11-25
Filing date: 2005-11-25
Publication date: 2007-05-30
Anticipated expiration: 2025-11-25
Also published as: CN100571222C

Abstract

This invention relates to one network system and its UMA gate in area to realize fix mobile melting, wherein, UMA adds one agreement module on agreement adapt layer on base of call communication servo part and one router management module to control layer call process and safety network gate module and user management and identification module.

Description

In regional environment, realize fixing network system and the UMA gateway thereof that merges that move

Technical field

The present invention relates to the broadband wireless technology, especially refer in regional environment, realize fixing UMA (Unlicensed Mobile Access, the mobile access that need not to permit) network system and the UMA gateway thereof that merges that move.

Technical background

Along with user's zone of action is expanded day by day, the business demand in mobile environment becomes gradually more and more widely and is strong, and the user also gets used to adopting portable terminal to satisfy communication requirement more.Bigger variation takes place in mobile subscriber's use habit in recent years, even can easily use landline telephone, they still more are ready to communicate with mobile phone.This trend be by the convenience of mobile phone progressively the influence.The user can consult the individual address of oneself by mobile phone, also can easily know all missed calls.

In Enterprise Internal Environment, it is corresponding general that user's mobile office demand also becomes, and this just needs a kind of enterprise mobility solution, and no matter enterprise staff is in any position, can be related to.Simultaneously management cost and expense (intercommunication no longer needs the calling by public cellular network) be can effectively reduce, and the adaptability to changes and the employee productivity of enterprise improved.And leave enterprise's working environment the employee, enter PE after, can enjoy transparent business experience again.

The terminal use wishes:

1) obtains identical business in any place

2) equipment, number, mailbox, address book, multiple access module (global system for mobile communications GSM/ general packet radio service gprs, WLAN (wireless local area network) WiFi, bluetooth etc.)

3) seamless voice-and-data business, the switching of network can not have any impact to its business

Existing P BX (private branch exchange) solution, the main business function that provides comprises: voice functions, Embedded Application, value-added service is used, and moves and use.It moves the mobile communication that application mainly lays particular emphasis on enterprise network inside, comprises speech and data, but can only realize the intercommunication of partial function between the public mobile network of mobile application of this part and outside, and can't accomplish seamless switching.

Because the PBX of enterprise-level mainly provides based on the professional of enterprises communication requirement and uses, and has been developed to the IP-PBX stage that is exchanged for core with IP at present.But existing P BX solution no matter its structure system is centralized or distributed, all also can't be supported the UMA agreement.

In addition, as 3GPP (3rd Generation Partnership Project, the 3G (Third Generation) Moblie collaborative project) the access technology UMA of standard (Unlicensed Mobile Access) supports mobile voice and the bumpless transfer of data from the public cellular network to the wireless broadband network.The UMA standard places mobile operator with family, office and the seamless method that extends to its cellular network of public WLAN (wireless broadband network).

Therefore, how in such as Enterprise Internal Environment, to pass through to dispose the UMA technology, when the mobile service in the WiMAX overlay area is provided is used, also can be mobile the provide business of user between wireless broadband network and public cellular network, thereby form a kind of fusion of end-to-end fixing and mobile service, in the hope of effectively reducing business administration cost and expense, be one of the applicant's content of endeavouring to study.

Summary of the invention

The present invention is intended to by a kind of fixing network system and UMA gateway thereof that merges that move of realizing in regional environment is provided, in the hope of being reduced in the management cost and the expense of (for example enterprise, hot spot region etc.) in the regional environment, can simplify terminal use's mobile experience simultaneously.

The invention provides a kind of UMA gateway, comprise protocol adaptation layers, key-course and be arranged in the call communication ontology server of the call processing module of key-course based on one, it is characterized in that: in described protocol adaptation layers, set up a UMA protocol module, in described call processing module, set up a routing management submodule, wherein: the UMA protocol module is used to provide the processing capacity of UMA agreement; The routing management submodule is used for according to the numbers of calling and called parties Route Selection of being correlated with respectively, and the UMA bearer path of transparent passthrough PS business is kept foundation, management and the termination of security signaling and user plane between portable terminal and the UMA network controller.

In above-mentioned UMA gateway, in key-course, also set up a security gateway module and one user management/authentication module, wherein: user management/authentication module, be used for the network internal authentication, and record UMA end message; The security gateway module is used to provide the UMA terminal to secure tunnel establishment of connection and termination between the UMA gateway.

The present invention also provides a kind of fixing network system that merges that moves that realizes in regional environment, based on a UMA system that comprises UMA network controller, IP broadband network, access point and portable terminal, it is characterized in that: it comprises a UMA gateway as claimed in claim 1, and this UMA gateway is connected between several access points and the IP broadband network.

In above-mentioned network system, also comprise a sip terminal that is connected in the UMA gateway and an IP-PBX who links to each other with described UMA gateway by Session Initiation Protocol.

In above-mentioned network system, also comprise one by ISDN, the CAS signaling is connected in the PBX of described UMA gateway.

In above-mentioned network system, portable terminal is one to have the terminal of supporting multiple working frequency range and supporting switching capability between the multiple frequency range.

The present invention provides a kind of again and has realized the fixing call processing method that merges that moves based on the UMA gateway, comprising: the number analysis step: dial for UMA intra-gateway user and cry, by the UMA gateway calling and called number is carried out internal analysis; Route Selection step:, make correspondingly routing to mobile core network or directly carry out subsequent voice calls by the UMA gateway and handle for analysis result.

In above-mentioned call processing method, when being the intra-gateway user, further judge user property: if UMA user connects the called subscriber by the UMA gateway for the number analysis result; If sip user and PBX user, then the UMA gateway connects the called subscriber after carrying out the corresponding protocol conversion.

In above-mentioned call processing method, when being the non-gateway internal user, further judge user property: if GSM user connects called by the GSM core network for the number analysis result; If fixed network users is then determined called or called to the fixed network connection by the GSM core network by the fixed network connection.

Adopted above-mentioned technical solution, also promptly introduce the UMA gateway, abundant business based on SIP not only can be provided, and can provide based on the mobile connection of UMA and use, user's portable terminal is not only in moving, and in fixed-sites such as office, also can be used as the basic communication means, help the fusion of fixing and mobile service.UMA gateway of the present invention can be applied to comprise enterprise, family and hot spot region etc. in the multiple regional environment that in enterprise used, the UMA gateway can cooperate the fixing mobile fused business of realizing enterprises to use with a plurality of AP and the PBX of enterprise.

Description of drawings

Fig. 1 is the present invention, promptly realizes the fixing configuration diagram that moves the network system that merges in regional environment;

Fig. 2 is the schematic diagram of UMA user registration course;

Fig. 3 is the schematic diagram of UMA customer call UMA user procedures;

Fig. 4 is the schematic diagram of UMA user calling SIP user process;

Fig. 5 is the schematic diagram of UMA customer call public network GSM user procedures;

Fig. 6 is the schematic diagram of UMA customer call fixed-line subscriber process;

Fig. 7 is the schematic diagram of UMA customer call fixed-line subscriber (the UMA gateway connects fixed network) process;

Fig. 8 is the schematic diagram that UMA user switches to the GSM network development process;

Fig. 9 is the schematic diagram that UMA user switches to GSM network (the UMA gateway connects fixed network) process;

Figure 10 is the schematic diagram of the special clothes function of UMA gateway implementation procedure;

Figure 11 is the schematic diagram of UMA customer call PBX user procedures;

Figure 12 is the high-level schematic functional block diagram of UMA gateway of the present invention;

Figure 13 is a call flows schematic diagram of the present invention.

Embodiment

One, in regional environment, realizes the fixing network system that merges that moves

As shown in Figure 1, the present invention, promptly in regional environment, realize the fixing network system that merges that moves, main network element comprises: UMA gateway 1, portable terminal (MS, Mobile Station) 4, access point (AP, Access Point) 2, and UNC (Unlicensed Mobile Controller, UMA network controller) 3.These network elements and existing GSM/GPRS wireless network are also deposited, and are connected with the GSM core network with Gb Interface by the A interface of standard.Between AP and UNC, then adopt the IP broadband network to connect, thereby can between portable terminal and UNC, set up the transparent carrying of IP.

1.UMA gateway

The UMA gateway mainly provides the mobile service in the WiMAX overlay area to use, and the mobile business that provides between WiMAX overlay area and mobile public network for the user can be provided with UNC.The connection of the fixed-line subscriber in the WiMAX overlay area can provide IP to connect by the UMA gateway and realize, also can realize by the PBX of enterprise.

The UMA gateway adopts the IP interface to be connected with UNC, adopts the IP interface to connect network internal AP, adopts the transparent connection portable terminal of IP.

As shown in figure 12, UMA gateway 1, comprise protocol adaptation layers, key-course and be arranged in the call communication ontology server of the call processing module of key-course based on one, be characterized in: in protocol adaptation layers, set up a UMA protocol module 11, in the key-course call processing module, set up a routing management submodule 12, and a security gateway module 13 of in key-course, also setting up and one user management/authentication module 14.

The UMA protocol module is used to provide the processing capacity of UMA agreement.

The routing management submodule is used for according to the numbers of calling and called parties Route Selection of being correlated with respectively, and the UMA bearer path of transparent passthrough PS business is kept foundation, management and the termination of security signaling and user plane between portable terminal and the UMA network controller.

User management/authentication module is used for the network internal authentication, and record UMA end message.

The security gateway module is used to provide the UMA terminal to secure tunnel establishment of connection and termination between the UMA gateway.

The function of UMA gateway support comprises:

1) local exchange: the voice bearer exchange between intra-gateway UMA user and the sip terminal user comprises from UMA user and initiating to UMA user that UMA user initiates to sip user; And initiate calling to UMA user from sip user.

2) provide the Session Initiation Protocol interface

3) support sip terminal to connect, support to adopt Session Initiation Protocol and IP-PBX interconnection

4) support by ISDN CAS signaling and conventional P BX interconnection

5) support voice compressed encoding: G.711, G.723, G.729

6) security gateway (SGW) is used to stop the secure tunnel connection that the UMA portable terminal is initiated

7) routing management function

Comprise: route to the UMA gateway respectively or mobile core network is handled according to numbers of calling and called parties; The UMA bearer path that transparent passthrough PS (packet switching) is professional is kept foundation, management and the termination of security signaling and user plane between portable terminal and the UNC.

8) controlled function

Comprise: the registration of UMA service access; In UMA gateway scope, the UMA bearer path of CS business is set up, comprise security signaling between portable terminal and the UMA gateway and user plane foundation, management, and end; And, in UMA gateway scope, provide the function suitable to be used for paging and switching with GSM RR

2. portable terminal

Portable terminal comprises bimodulus or multimode terminal (GSM and the common frequency band that need not to permit), and possesses the ability of switching between multiple working frequency range.Portable terminal should be able to be supported Bluetooth PAN agreement or 802.11x agreement, and provides the IP interface to be connected to AP.

3. access point

Access point adopts the common frequency band that need not to permit to provide Radio Link to be used for portable terminal and inserts.Be connected by IP network between AP and the UNC.AP should provide Bluetooth PAN agreement or 802.11[802.11] protocol interface.

4.UMA network controller

UNC adopts the A interface to be connected with SGSN with mobile core network MSC with Gb Interface respectively.The function that UNC provides is equivalent to the BSC (base station controller) among the GERAN (GSM limit Radio Access Network), and can be by the transparent AP that is connected to of IP.UNC adopts the Up interface to connect portable terminal, and provides part Wm function to be used for identifying procedure.UNC can keep terminal to connecting end to end between core network, and the GERAN signal is delivered to A/Gb is interfaced to the GSM core network.

Two, realize the fixing call processing method that merges that moves based on the UMA gateway, comprising:

Number analysis step: dial for UMA intra-gateway user and to cry, numbers of calling and called parties is carried out internal analysis by the UMA gateway;

Route Selection step:, make correspondingly routing to mobile core network or directly carry out subsequent voice calls by the UMA gateway and handle for the number analysis result.That is:

When being the intra-gateway user, further judge user property: if UMA user connects the called subscriber by the UMA gateway for the number analysis result; If sip user and PBX user, then the UMA gateway connects the called subscriber after carrying out the corresponding protocol conversion;

When being the non-gateway internal user, further judge user property: if GSB user connects called by the GSM core network for the number analysis result; If fixed network users is then determined called or called to the fixed network connection by the GSM core network by the fixed network connection.

As shown in figure 13, under the UMA gateway, when the user dialled called number in the net, whether UMA gateway analyzing called number was unusual, for abnormal conditions, directly did to listen busy tone to handle terminal procedure.

For normal condition, is whether analyzing called number user in the net: so to user in the net, analyzing called number is UMA user, sip user, or PBX user successively? and be correspondingly processed: connect called or undertaken connecting the called subscriber after the protocol conversion by the UMA gateway by the UMA gateway; For user in the non-net, whether analyzing called number the GSM number, if then call out and deliver to the GSM core network and connect; If not, then further judge whether to be connected and fixed network, and corresponding call is delivered to fixed network connect and maybe calling is delivered to the GSM core network and connected, the termination routine operation by the UMA gateway.

Below the several main flow process in the said process is described in detail respectively

One) under the UMA gateway, UMA customer call UMA user

Under the UMA gateway, the calling to the UMA terminal use that the UMA terminal use initiates realizes by the UMA gateway.

Participate in Fig. 3, under the UMA gateway, UMA user makes a call, and the UMA terminal will be initiated one and be connected to the UMA gateway;

The UMA gateway is analyzed numbers of calling and called parties, analyzes and finds that called UMA user is registered under the UMA gateway, and the UMA gateway directly connects called UMA user.

Two) under the UMA gateway, the UMA user calling SIP user

Under the UMA gateway, the calling to the sip terminal user that the UMA terminal use initiates realizes by the UMA gateway.

Participate in Fig. 4, under the UMA gateway, UMA user makes a call, and the UMA terminal will be initiated one and be connected to the UMA gateway;

The UMA gateway is analyzed numbers of calling and called parties, analyzes and finds that the called subscriber is the sip user that is registered under the UMA gateway, and the UMA gateway is finished the conversion of UMA agreement to Session Initiation Protocol, and connects called sip user.

Three) under the UMA gateway, UMA customer call public cellular network (hereinafter to be referred as " public network ") GSM user

Under the UMA gateway, the calling to public network GSM user that the UMA terminal use initiates realizes by UNC and GSM core network.

Participate in Fig. 5, under the UMA gateway, UMA user makes a call, and the UMA terminal will be initiated one and be connected to the UMA gateway;

The UMA gateway is analyzed numbers of calling and called parties, analyzes and finds that the called subscriber is the user who does not have registration under the UMA gateway, and the UMA gateway is forwarded to UNC with call information;

UNC and GSM core network to calling subscriber's authentication after, analyzing called number is the GSM network user, directly initiates to connect to called subscriber's calling.

Four) under the UMA gateway, UMA customer call fixed-line subscriber

Under the UMA gateway, the calling to fixed network users that the UMA terminal use initiates can be divided into two kinds of situations: the UMA gateway only connects UNC and GSM core net; The UMA gateway connects GSM core net and fixed network simultaneously.

1) the UMA gateway only connects UNC and GSM core net

Participate in Fig. 6, under the UMA gateway, UMA user makes a call, and the UMA terminal will be initiated one and be connected to the UMA gateway;

The UMA gateway is analyzed numbers of calling and called parties, finds that the called subscriber is the user who does not have registration under the UMA gateway, and the UMA gateway is forwarded to UNC with call information;

UNC and GSM core network to calling subscriber's authentication after, analyzing called number is a fixed network users, the GSM core network initiates to connect to the calling of called fixed network users.

2) the UMA gateway connects GSM core net and fixed network simultaneously

Participate in Fig. 7, under the UMA gateway, UMA user makes a call, and the UMA terminal will be initiated one and be connected to the UMA gateway;

The UMA gateway is analyzed numbers of calling and called parties, finds that the called subscriber is the user who does not have registration under the UMA gateway, and be number section of fixed network that the UMA gateway routes the call to fixed network according to called number;

The calling that fixed network is set up to the called subscriber connects.

Five) under the UMA gateway, UMA user switches to the GSM network

Under the UMA gateway, the UMA terminal use initiate to the call setup of fixed network users, UMA user switches to the GSM network, call flow can be divided into two kinds of situations: the UMA gateway only connects UNC and GSM core net; The UMA gateway connects GSM core net and fixed network simultaneously.

1) the UMA gateway only connects UNC and GSM core net

Referring to Fig. 8, initiate to the call setup of called fixed network users by the GSM core network, UMA user leaves under the UMA gateway, enters GERAN;

The UMA dual-mode terminal is initiated handoff request to UNC, after UNC and GSM core network are mutual, distributes the GERAN resource to give the UMA dual-mode terminal, realizes switching.

2) the UMA gateway connects GSM core net and fixed network simultaneously

Referring to Fig. 9, be set up to called subscriber's call setup by fixed network after, UMA user leaves under the UMA gateway, enters GERAN;

Six) under the UMA gateway, UMA customer call PBX user

Under the UMA gateway, the calling to PBX user that the UMA terminal use initiates is transferred by the UMA gateway.

Participate in Figure 11, under the UMA gateway, UMA user makes a call, and the UMA terminal will be initiated one and be connected to the UMA gateway;

The UMA gateway is analyzed numbers of calling and called parties, analyzes and finds that the called subscriber is the PBX user under the UMA gateway, and the UMA gateway is finished the protocol conversion between the UMA to PBX, and relayed call is to PBX, and PBX connects the called subscriber.

Seven) under the UMA gateway, UMA user's registration

Under the UMA gateway, the UMA terminal use adopts the UMA agreement to register to UMA gateway and public network UNC and GSM core network respectively.

Participate in Fig. 2, the UMA terminal adds wlan network;

The UMA terminal is obtained the IP address;

The UMA terminal is set up TCP with public network UNC and is connected, and initiates registration, comprises terminal UMAN information in the registration message, and the IMSI of terminal and AP indicate;

UNC and core net aaa server, HLR cooperate and adopt EAP-SIM (SIM user) or EAP-AKA (USIM user) that terminal is authenticated, authentication by after return acknowledge message;

The UMA terminal is initiated register requirement to the UMA gateway in implementation step 2, the UMA gateway authenticates it, returns acknowledge message after authenticating, and notes the UMA end message.

Eight) spy of UMA gateway obeys function

Participate in Figure 10, call out directly set up by the UMA gateway after, when user A carries out inside or external call with user B, can by dial suffix (as ^*XX) make a call to third-party extension set.User A can hear dialing tone (or voice suggestion), calls by the mode that is similar to other ordinary call then.During place calls, user B can not hung up.

In sum, the present invention has following characteristics: the user possesses the dual-mode terminal of UMA access capability by use, can be connected on the wireless broadband network by wireless mode easily; The voice communication of wireless broadband network inside realizes by UMA gateway of the present invention; The GPRS data service can realize by public mobile network; The user can the transparent switching of carrying out voice, data service between wireless broadband network and public cellular wireless network (RAN); The UMA gateway can also interconnect by external perimysium reference interface and agreement and PBX, realizes the complementation of business function.

Though the present invention with reference to current instantiation be described, but those skilled in the art should be realized that, above example only is to be used for illustrating the present invention, also can make the variation and the modification of various equivalences under the situation that does not break away from spirit of the present invention.Therefore, if in connotation scope of the present invention to the variation of above-mentioned example, modification all will drop in the scope of claims of the present invention.

Claims

1. UMA gateway, comprise protocol adaptation layers, key-course and be arranged in the call communication ontology server of the call processing module of key-course based on one, it is characterized in that: in described protocol adaptation layers, set up a UMA protocol module, in described call processing module, set up a routing management submodule, wherein:

The UMA protocol module is used to provide the processing capacity of UMA agreement;

2. UMA gateway according to claim 1 is characterized in that: in described key-course, also set up a security gateway module and one user management/authentication module, wherein:

User management/authentication module is used for the network internal authentication, and record UMA end message;

3. in regional environment, realize the fixing network system that merges that moves for one kind, based on a UMA system that comprises UMA network controller, IP broadband network, access point and portable terminal, it is characterized in that: it comprises a UMA gateway as claimed in claim 1, and this UMA gateway is connected between several access points and the IP broadband network.

4. network system according to claim 3 is characterized in that: it also comprises a sip terminal that is connected in described UMA gateway and an IP-PBX who links to each other with described UMA gateway by Session Initiation Protocol.

5. according to according to claim 3 or 4 described network systems, it is characterized in that: it also comprises one by ISDN, and the CAS signaling is connected in the PBX of described UMA gateway.

6. network system according to claim 3 is characterized in that: described portable terminal is one to have the terminal of supporting multiple working frequency range and supporting switching capability between the multiple frequency range.

7. realize the fixing call processing method that merges that moves based on the UMA gateway for one kind, comprising:

Number analysis step: dial for UMA intra-gateway user and to cry, the calling and called number is carried out internal analysis by the UMA gateway;

Route Selection step:, make correspondingly routing to mobile core network or directly carry out subsequent voice calls by the UMA gateway and handle for analysis result.

8. call processing method according to claim 7 is characterized in that: when being the intra-gateway user for the number analysis result, further judge user property: if UMA user connects the called subscriber by the UMA gateway; If sip user and PBX user, then the UMA gateway connects the called subscriber after carrying out the corresponding protocol conversion.

9. call processing method according to claim 7 is characterized in that: when being the non-gateway internal user for the number analysis result, further judge user property: if GSM user connects called by the GSM core network; If fixed network users is then determined called or called to the fixed network connection by the GSM core network by the fixed network connection.