CN101188856B - System and method for realizing mobile service via broadband wireless access - Google Patents
System and method for realizing mobile service via broadband wireless access Download PDFInfo
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- CN101188856B CN101188856B CN2006101493834A CN200610149383A CN101188856B CN 101188856 B CN101188856 B CN 101188856B CN 2006101493834 A CN2006101493834 A CN 2006101493834A CN 200610149383 A CN200610149383 A CN 200610149383A CN 101188856 B CN101188856 B CN 101188856B
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Abstract
The invention provides a system which can realize mobile service through Broad Band wireless access, and the system comprises a mobile user terminal, a mobile core network and a mobile access network. The mobile user terminal has the capability of carrying out network access by a mobile wireless access technology and the capability of carrying out the network access by a wireless Broad Band technology; the mobile access network is arranged between the mobile user terminal and the mobile core network. The invention is characterized in that a Broad Band access network is also arranged between the mobile user terminal and the mobile core network, the Broad Band access network is coupled to the mobile core network through the session initial protocol network gateway SIP GW. The invention overcomes the limitation on the high speed rate service provided by the network with the prior art.
Description
Technical field
The present invention relates to telecommunications basic network field, relate in particular to the correlation technique of broadband access network.
Background technology
Existing 2G mobile network technology can solve the demand of user for voice and low-rate data business well, but along with the development of business and the user demand for the high-rate wireless business, existing 2G network can't satisfy.
3G technology provides solution for satisfying user's high speed data transmission service demand side, and a lot of areas have obtained application in the world, and still, following Several Factors has determined 3G technology to provide high-rate service to also have its limitation.
1) speed of wireless access: 3G technology can provide the speed of 384Kbps in theory, 3.5G HSDPA the access rate of 2M can be provided, but in fact, its access rate can be subjected to the influence of wireless access situation to a great extent, can be greater than 200Kbps in the application of reality.
2) capacity of wireless access: for a base station or carrier frequency, its access capacity is determined, distributed under the prerequisite of 384Kbps access capability for each user, can provide 7 users to use business simultaneously in theory, but in the use of reality, owing to be subjected to wireless environment and other frequency interferences, the concurrent user is less than 5.Use the HSDPA technology can not effectively solve the concurrent user, promptly the problem of user's access capacity can only partly solve user's professional use experience.The HSDPA technology makes the user use the bearer path of a plurality of 384Kbps simultaneously in the timeslice that is assigned with.
In the fixed network broadband inserting service, have benefited from the development of technology in recent years, the ADSL access technology practical application of its representative is from 512Kbps to 2Mbps, 8Mbps, 12Mbps, and with respect to the mobile wireless access technology, the lifting that line access velocity arranged is far away faster than the lifting of wireless access rate.
In the cable broadband access service,,, obtained very big popularizing simultaneously as the WLAN technology for the application of wireless access way.The 802.11b of WLAN supports the speed of 11Mbps, and 802.11g supports the speed of 54Mbps, utilizes the high speed access capability of WLAN, and the user enjoys the enjoyment that wireless high-speed inserts by mobile phone in certain distance range.Other wireless access ways also are applicable to the present invention as bluetooth, Wimax etc.
Fig. 3 shows the structure chart of mobile subscriber terminal in the prior art (1) by mobile wireless access technology connecting system.Node B (5) is the base station among the figure, the user inserts Node B (5) by the 2G/3G wireless technology, through wireless network control point RNC (4) visit mobile core network (2), this mobile core network (2) comprises MSC/VLR (10), SGSN (11), HLR/AUC (12) and GGSN (13).This network is because the influence of the capacity aspect of the speed of wireless access and wireless access has limitation aspect the high-rate service providing.
Summary of the invention
An object of the present invention is to provide a kind of network that can overcome prior art at circumscribed, the system and method that broadband wireless access realizes mobile service that passes through that two-forty can be provided that provide aspect the high-rate service.
The invention provides a kind of system by broadband wireless access realization mobile service, comprising: mobile subscriber terminal has by the mobile wireless access technology and carries out the ability of network insertion and the ability of carrying out network insertion by wireless broad band technology; Mobile core network; Mobile access network between mobile subscriber terminal and mobile core network; It is characterized in that: also have broadband access network between mobile subscriber terminal and mobile core network, broadband access network is coupled to mobile core network by conversation inceptive protocol gateway SIP GW.
In a preferred embodiment, the present invention also comprises the access point AP that is coupled to broadband access network, is used for mobile subscriber terminal is linked into broadband access network.
In a preferred embodiment, SIP GW supports the Session Initiation Protocol of broadband access network side and Iucs, the Iups agreement of mobile core network side, and the conversion of support and Session Initiation Protocol, G.711/G.719, speech business AMR coding in the support communication network and broadband access network side wait the conversion between the VOIP speech coding form, support realtime transmission protocol RTP, support tunnel IP Sec agreement, support the carrying of multimedia service stream.
In a preferred embodiment, SIP GW comprises: the Session Initiation Protocol stack of supporting the Session Initiation Protocol of broadband access network side, support the Iucs of mobile core network side, Iups protocol of I ucs, the Iups protocol stack, support Iucs, the Session Initiation Protocol modular converter of the conversion of Iups agreement and Session Initiation Protocol, G.711/G.719, the speech coding modular converter that speech business AMR coding in the support communication network and broadband access network side wait the conversion between the VOIP speech coding form, support the multimedia service processing module of the carrying of multimedia service stream, the speech business module, Media Gateway Module and comprise data configuration, Capacity Management, log statistic, the management function module of access authentication function.
In a preferred embodiment, in the Session Initiation Protocol stack, the message in the Session Initiation Protocol is expanded, made it to comprise the content of the specific algorithm title of authentication random number, five-tuple or tlv triple authentication parameter, SIM card authenticating result, encryption.
Described message in the Session Initiation Protocol is expanded is the Authorization Field Definition of Register message of expansion Session Initiation Protocol, makes it to comprise the content of the specific algorithm title of authentication random number, five-tuple or tlv triple authentication parameter, SIM card authenticating result, encryption.
The present invention also provides a kind of system by broadband wireless access realization mobile service, and comprising: mobile subscriber terminal has the ability of carrying out network insertion by wireless broad band technology; Mobile core network; It is characterized in that: between mobile subscriber terminal and mobile core network broadband access network is arranged, broadband access network is coupled to mobile core network by conversation inceptive protocol gateway SIP GW.
The present invention also provides a kind of method that realizes mobile service by broadband wireless access, comprise: have the mobile subscriber terminal access band access network that carries out the ability of network insertion by wireless broad band technology, through conversation inceptive protocol gateway SIP GW access mobile core network, finish the registration of mobile subscriber terminal under the broadband wireless network environment simultaneously; After succeeding in registration, set up link between mobile subscriber terminal and the mobile core network, use telecommunication service.
By the system and method for realizing mobile service by broadband wireless access of the present invention, when mobile subscriber terminal is nearer apart from the AP of broadband access network, can make full use of this broadband access network resource, insert this broadband access network, by the mobile service of broadband wireless access realization two-forty, shown in the left side of Fig. 1.When mobile subscriber terminal is nearer apart from the AP of broadband access network, can as to pass through the mode that mobile wireless inserts the same, access to mobile network uses professional, shown in the right of Fig. 1.Like this, when mobile subscriber terminal is nearer apart from broadband access network, can make full use of this broadband access network resource, enjoy the enjoyment that wireless high-speed inserts.And the user who normally utilizes mobile access way to insert has been diverted to owing to some people in the mode of using broadband access network, and the load of normal mobile access way reduces, thereby also can obtain than higher access rate.
Under the network architecture of the present invention, main advantage is:
1) prior mobile network (the right of Fig. 1, the present invention is only with increasing the left side) is not changed substantially, and dispose easily and implement.
2) user can use identical business (both inserting, and can insert again) under the different access waies under the mobile wireless access way under the broadband network access way, and under broadband wireless network covers, better for the impression of high speed business.The user uses professional experience identical or better.
3) user's authentication and accounting has been realized unified number, the unified charging at existing mobile core network, and especially to operator's value-added service management system, operator's early investment has been guaranteed in the recycling of backstage service management support system.
Description of drawings
Fig. 1 is the embodiment of the invention 1 realizes the system of mobile service by broadband wireless access a block diagram.
Fig. 2 is the module frame chart among the SIM GW.
Fig. 3 shows the structure chart of mobile subscriber terminal in the prior art (1) by mobile wireless access technology connecting system.
Fig. 4 is the embodiment of the invention 2 realizes the system of mobile service by broadband wireless access a block diagram.
Fig. 5 is the flow chart of the registration process of user of the present invention under the broadband wireless network environment.
Fig. 6 is user of the present invention uses professional process under the broadband wireless overlay environment a flow chart.
Embodiment
Embodiment 1
Fig. 1 is the embodiment of the invention 1 realizes the system of mobile service by broadband wireless access a block diagram.The right-hand component of Fig. 1 is identical with Fig. 3 of prior art with the top part.Highlight different parts now:
UE (1): user's handheld terminal possesses first by mobile wireless access technology (as 2G, 3G etc.) access to mobile network and uses business; Second possesses ability, i.e. dual-mode terminal by WiMAX access technology (as BlueTooth, WLAN, WIMAX) accessing to wide band network.Present this dual-mode terminal has had the launch of moulding, and it can obtain from the market.UE is according to the distance of the access point AP (7) of the broadband access network (8) of From Left, promptly can between the wireless mobile access module on the broadband wireless access pattern on Fig. 1 left side and the right, switch according to the size of receiving the signal strength signal intensity that AP takes place, such as when reaching a threshold intensity, just carrying out the broadband wireless access pattern on the left side, otherwise just enter the wireless mobile access module on the right.This is the existing function of dual-mode terminal of prior art, is not inventive point of the present invention, therefore seldom gives unnecessary details.
AP (7): access point Access Point, be coupled to broadband access network (8), be used for mobile subscriber terminal is linked into broadband access network, it is the IAD of UE and broadband network, requirement according to access technology, possess functions such as PPPOE dialing, NAT conversion, IP route, distribution private net address, this AP also has shaped article at present on market.
The mobile access network (3) on the right comprises wireless network control point RNC (4) and Node B (5) among Fig. 1 between mobile subscriber terminal and mobile core network, is the content identical with prior art Fig. 3.
Broadband access network (8), between mobile subscriber terminal and mobile core network, as the IP access network, existing network in the prior art.
SIP GW (9): the gateway device between broadband network and the mobile core network, broadband access network is coupled to mobile core network (2) by SIP GW.This part is not an existing device, and it can be programmed according to its function described below and its module map by those skilled in the art and realize.From mobile core network, its main effect is the function of RNC.SIPGW possess registration that SIP service is arranged, Session Initiation Protocol termination and and the Iucs/Iups agreement between conversion, functions such as the carrying of Business Stream will be described these functions in detail below.
Among the Iucs/Iups:3G mobile network, the agreement between RNC and MSC, the SGSN directly adopts standard agreement in the present invention;
Node B: mobile network's wireless transmission node
RNC:radio network control, the Radio Access Network control point
MSC:Mobile Swiched Center, mobile switching centre, mobile core network equipment;
VLR:visit location Register, the user visiting location register
SGSN:Serving GPRS Supporting Node, the GPRS serving GPRS support node, therefore it supports Packet Service, if the user MSC/VLR that just made a call is just much of that.If send out data, just SGSN must be arranged.
Describe new network element device SIP GW below in detail, it has these functions:
1) Session Initiation Protocol of support broadband access network side;
2) Iucs, the Iups agreement of support mobile core network side, and the conversion of support and Session Initiation Protocol;
3) G.711/G.719 the professional AMR coding of support voice (coded format of voice communication in the communication network) waits VOIP speech coding (coded format of Session Initiation Protocol voice communication) conversion with the broadband access network side;
4) support Real-time Transport Protocol (RTP of end-to-end transmission service);
5) support tunnel IP Sec agreement (security protocol of IP network);
6) support the carrying that multimedia service flows
The functional module of SIP GW equipment as shown in Figure 2.Wherein SIP GW (9) comprising: the Session Initiation Protocol stack (901) of supporting the Session Initiation Protocol of broadband access network side, support the Iucs of mobile core network side, Iups protocol of I ucs, Iups protocol stack (905), support Iucs, the Session Initiation Protocol modular converter (902) of the conversion of Iups agreement and Session Initiation Protocol, G.711/G.719, the speech coding modular converter (904) that speech business AMR coding in the support communication network and broadband access network side wait the conversion between the VOIP speech coding form, support the multimedia service processing module (903) of the carrying of multimedia service stream, speech business module (907), Media Gateway Module (906) and comprise data configuration (9081), Capacity Management (9082), log statistic (9083), the management function module (908) of access authentication function (9084).
SIP GW (9) can be realized according to the module map programming of above-mentioned functions and Fig. 2 by those skilled in the art.
In the mobile wireless access technology, to carry out 5 tuples or 3 tuple authentications between mobile subscriber terminal and the mobile core network.Therefore, in order to realize that mobile wireless inserts and the unification of broadband wireless access, under the situation of BRAN, also to realize 5 tuples or the 3 tuple authentications of mobile network user.
Access authentication of user is divided into 3 steps:
The authentication .UE of step a:AP and the access authentication procedure between the AP insert according to SSID etc.
Step b: the user inserts the authentication of SIP GW. and user terminal is by the authentication of Session Initiation Protocol to SIPGW.
Step c: the authentication of user's access to mobile network. user terminal passes through the authentication of the protocol conversion of SIP GW to the mobile network.
The step 1 of verification process is a standard, the authentication of step 2 is the authentication that SIP inserts, in the authentication of step 3, in order to realize 5 tuples or 3 tuple authentications, the present invention has expanded agreement on the Session Initiation Protocol basis, to reach 3G network for legal access network 5 tuples of terminal or 3 tuple authentications.The user has promptly realized under the broadband wireless network environment by after authenticating, and uses same mobile number to use professional ability.Following content is an example with 5 tuple authentications.
The expansion agreement based on 3GPP TS24228, the Authorization Field Definition of the Register message of Session Initiation Protocol, form is as follows:
Authorization：Digest
username＝″user1_private@home1.net″，
realm＝″test.sip.chinatelecom.com″，
Nonce=
" 448d3c105c580d1e69f3192881232c4ab46ed789 ",Authentication random number
Autn=
" xxxxxxxxxxxxxxxx ",Five-tuple or tlv triple authentication parameter
uri＝″sip:test.sip.chinatelecom.com″，
Response=
" 0ef9764da28487342d3b02d19936a9dc ",The SIM card authenticating result
The specific algorithm title that algorithm=AKAv1-MD5 encrypts
Above-mentioned italicized item is the parameter-definition of expansion.
Certainly, the mode of expansion is more than top a kind of.As long as in the Session Initiation Protocol stack, message is wherein expanded just passablely, not necessarily leave no choice but utilize the Authorization field of Register message.
Fig. 4 is the embodiment of the invention 2 realizes the system of mobile service by broadband wireless access a block diagram.Be equivalent to have only the left side of Fig. 1 and do not have the right this moment, and its reason is the same with Fig. 1 basically, so do not give unnecessary details, mobile subscriber terminal this moment (1) is a single-mode terminal, promptly has only the ability of carrying out network insertion by wireless broad band technology.
Method of the present invention comprises: have mobile subscriber terminal (1) the access band access network (8) that carries out the ability of network insertion by wireless broad band technology, through conversation inceptive protocol gateway SIP GW (9) access mobile core network (2), finish the registration of mobile subscriber terminal under the broadband wireless network environment simultaneously; After succeeding in registration, set up link between mobile subscriber terminal and the mobile core network, use telecommunication service.
For the registration of mobile subscriber terminal under the broadband wireless network environment, Fig. 5 is the flow chart of the registration process of user of the present invention under the broadband wireless network environment, is example with WIFI:
As mentioned above, use, Session Initiation Protocol subscriber identity information, authentication etc. are expanded at FMC.
S1. mobile subscriber terminal UE broadcasts DHCP Discovery message;
S2. the access point AP that is connected to broadband access network receives the DHCPDiscovery request of UE, broadcasting DHCP OFFER message;
S3.UE selects a Dynamic Host Configuration Protocol server (14) that is coupled to broadband access network from DHCP OFFER message, send DHCP Req message to this Dynamic Host Configuration Protocol server, the effect of this Dynamic Host Configuration Protocol server provides the IP address and the dns server address of user terminal oneself;
The S4.DHCP server returns DHCP ACK message, UE receives DHCPACK message, obtains IP address and dns server (15) address of oneself, and dns server also is coupled to broadband access network, effect is that the SIP-GW domain name is resolved, thereby parses corresponding IP address;
S5.UE reads the conversation inceptive protocol gateway SIP-GW domain name (this SIP-GW domain name is pre-existing in the usim card by operator) of configuration when producing usim card from usim card, send the dns resolution request to the dns server that is coupled to broadband access network;
The S6.DNS server receives request, returns the IP address of SIP-GW correspondence, and dns server may return a plurality of IP address, and UE is at random from wherein selecting one;
S7.UE uses the IP address of selecting, and sends SIP Reg to SIP-GW;
S8.SIP-GW receives SIP Reg request, sends the MSC/VLR (10) of Location Update Req in the mobile core network (2), has comprised IMSI and LAI information in the request;
S9.MSC/VLR sends Auth Info to HLR (12) (VLR also can want authentication information to other VLR according to LAI information);
S10.HLR returns Auth Info;
S11.MSC/VLR sends Auth Req to SIP-GW, has wherein carried AUTH and RAND;
S12.SIP-GW sends 401Unauthority to MS, has carried AUTH and RAND in the message;
S13.UE receives 401Unauthority, data through computing and SIM card storage compare, to network authentication (this calculating and authentication process are to well known to a person skilled in the art content), resend a SIP Reg to SIP-GW, carried information such as RES and AUTH in the message;
S14.SIP-GW receives SIP Reg, takes out RES wherein, sends AuthRSp to MSC/VLR;
S15.MSC/VLR relatively RES equates (to be that terminal is to network authentication with the XRES of this locality in step S13, be that network is to terminal authentication in this step), send Location Update Confirm to SIP-GW, S1-15 is enough for call business, if but data service is arranged, also will carry out following authentication, S1-15 is towards circuit switching (CS), and following authentication is towards packet switching PS;
S16.SIP-GW receives Location Update Confirm, sends the SGSN (11) of AttachReq in the mobile core network (2);
S17.SGSN sends AUTH Req to SIP-GW, has wherein carried AUTH and RAND;
S18.SIP-GW sends 401Unauthority to MS, has carried AUTH and RAND in the message;
S19.UE receives 401Unauthority, to network authentication (this be under the PS situation to network authentication, different with the front), resend a SIP Reg to SIP-GW, carried information such as RES and AUTH in the message;
S20.SIP-GW receives SIP Reg, takes out RES wherein, sends AuthRsp to SGSN;
S21.SGSN relatively RES equate with local XRES (this be under the PS situation to subscription authentication, different with the front), transmission Attach Accept is to SIP-GW;
S22. so far, SIP-GW finishes all processes of circuit switching and packet switching, returns 200 OK and gives UE, finishes the registration process of UE.
The DHCP and the DNS parts that occur in the top process are existing parts.The signaling and the message that occur in the top process all are more existing signalings and message.Said process can be realized by programming, also can realize by alternate manner.
Fig. 6 is user of the present invention uses professional process under the broadband wireless overlay environment a flow chart (being example with the voice exhalation).
The process of setting up link between back mobile subscriber terminal and the mobile core network that succeeds in registration comprises:
S ' 1. mobile subscriber terminal sends Invite signaling (terminal and gateway Signalling exchange are followed the RFC3261 Session Initiation Protocol) to SIP GW;
S ' 2.SIP GW transmission initialization value passes to the MSC in the mobile core network;
S ' 3.MSC returns authentication request Auth Req and gives SIP GW;
S ' 4.SIP GW receives authentication request, sends 407 message to mobile subscriber terminal, requires terminal to carry out authentication, comprises authentication character string: RAND and AUTN in described 407 message.
S ' 5. mobile subscriber terminal transmission ACK confirms 407 message;
S ' 6. mobile subscriber terminal resends Invite message, has carried Authentication Response RES in the message;
S ' 7.SIP GW receives Invite, sends authentication responses to MSC;
S ' 8.MSC judges according to the Authentication Response that returns whether the user is validated user, if the user is legal, the call accepted request sends Authentication Response to SIP GW;
S ' 9.SIP GW receives Authentication Response, sends the 100trying signaling to mobile subscriber terminal;
S ' 10.SIP GW sends message to MSC, comprises initial message in the message;
S ' 11.MSC returns call flow message to SIP GW;
S ' 12.MSC begins to set up the initialization flow process;
After S ' 13. initialization flow processs were set up and finished, MSC sent prompting message to SIPGW;
S ' 14.SIP GW returns 180 Ringing signalings to mobile subscriber terminal, and mobile subscriber terminal is received the sound that shakes;
S ' 15. called incoming call answerings, MSC send connection message to SIP GW;
S ' 16.SIP GW sends 200OK to mobile subscriber terminal;
S ' 17. mobile subscriber terminals receive 200 OK, send acknowledge message to SIPGW;
S ' 18.SIP GW sends and connects acknowledge message to MSC;
Voice link between S ' 19. mobile subscriber terminals and the MSC is set up, and begins conversation.
The signaling and the message that occur in the top process all are more existing signalings and message.Said process can be realized by programming, also can realize by alternate manner.
Claims (8)
1. realize comprising the system of mobile service by broadband wireless access for one kind:
Mobile subscriber terminal UE (1) has by the mobile wireless access technology and carries out the ability of network insertion and the ability of carrying out network insertion by wireless broad band technology;
Mobile core network (2);
Mobile access network between mobile subscriber terminal and mobile core network (3);
It is characterized in that: also have broadband access network (8) between mobile subscriber terminal and mobile core network, broadband access network (8) is coupled to mobile core network (2) by conversation inceptive protocol gateway SIP GW (9);
Be coupled to the access point AP (7) of broadband access network (8), be used for mobile subscriber terminal is linked into broadband access network (8);
Mobile subscriber terminal (1) also is used to finish the registration of mobile subscriber terminal under the broadband wireless network environment, after succeeding in registration, sets up link between mobile subscriber terminal and the mobile core network, uses telecommunication service; Wherein saidly finish the registration of mobile subscriber terminal under the broadband wireless network environment and comprise:
S1. UE broadcasts DHCP Discovery message;
S2. the access point AP (7) that is connected to broadband access network receives the DHCPDiscovery message of UE, broadcasting DHCP OFFER message;
S3.UE selects a Dynamic Host Configuration Protocol server that is coupled to broadband access network from DHCP OFFER message, send DHCP Req message to this Dynamic Host Configuration Protocol server;
The S4.DHCP server returns DHCP ACK message, and UE receives DHCPACK message, obtains IP address and the dns server address of oneself;
S5.UE reads the SIP GW domain name of configuration from usim card, send the dns resolution request to the dns server that is coupled to broadband access network;
The S6.DNS server receives request, returns the IP address of SIP GW correspondence, and dns server may return a plurality of IP address, and UE is at random from wherein selecting one;
S7.UE uses the IP address of selecting, and sends SIP Reg to SIP GW;
S8.SIP GW receives SIP Reg request, sends Location Update Req
Arrive the MSC/VLR (10) in the mobile core network (2), comprised IMSI and LAI information in the request;
S9.MSC/VLR sends Auth Info to HLR (12);
S10.HLR returns Auth Info;
S11.MSC/VLR sends Auth Req to SIP GW, has wherein carried AUTH and RAND;
S12.SIP GW sends 401Unauthority to UE, has carried AUTH and RAND in the message;
S13.UE receives 401Unauthority, to network authentication, resends a SIP Reg to SIP GW, has carried RES and AUTH information in the message;
S14.SIP GW receives SIP Reg, takes out RES wherein, sends Auth Rsp to MSC/VLR;
Relatively RES and local XRES are when equating for S15.MSC/VLR, and transmission Location Update Confirm is to SIP GW;
S16.SIP GW receives Location Update Confirm, sends the SGSN (11) of AttachReq in the mobile core network (2);
S17.SGSN sends AUTH Req to SIP GW, has wherein carried AUTH and RAND;
S18.SIP GW sends 401Unauthority to UE, has carried AUTH and RAND in the message;
S19.UE receives 401Unauthority, to network authentication, resends a SIP Reg to SIP GW, has carried RES and AUTH information in the message;
S20.SIP GW receives SIP Reg, takes out RES wherein, sends Auth Rsp to SGSN;
Relatively RES and local XRES are when equating for S21.SGSN, and AttachAccept is to SIP GW in transmission;
S22. so far, SIP GW finishes all processes of circuit switching and packet switching, returns 200OK and gives UE, finishes the registration process of UE.
2. according to the system of claim 1, wherein SIP GW (9) supports the Session Initiation Protocol of broadband access network side and Iucs, the Iups agreement of mobile core network side, and the conversion of support and Session Initiation Protocol, speech business AMR coding in the support communication network and the conversion between the broadband access network side VOIP speech coding form G.711/G.719, support realtime transmission protocol RTP, support tunnel IP Sec agreement, support the carrying of multimedia service stream.
3. according to the system of claim 2, wherein SIP GW (9) comprising: the Session Initiation Protocol stack (901) of supporting the Session Initiation Protocol of broadband access network side, support the Iucs of mobile core network side, Iups protocol of I ucs, Iups protocol stack (905), support Iucs, the Session Initiation Protocol modular converter (902) of the conversion of Iups agreement and Session Initiation Protocol, the speech business AMR coding in the support communication network and the speech coding modular converter (904) of the conversion between the broadband access network side VOIP speech coding form G.711/G.719, support the multimedia service processing module (903) of the carrying of multimedia service stream, speech business module (907), Media Gateway Module (906) and comprise data configuration, Capacity Management, log statistic, the management function module (908) of access authentication function.
4. according to the system of claim 3, wherein in the Session Initiation Protocol stack, the message in the Session Initiation Protocol is expanded, made it to comprise the content of the specific algorithm title of authentication random number, five-tuple or tlv triple authentication parameter, SIM card authenticating result, encryption.
5. according to the system of claim 4, described message in the Session Initiation Protocol is expanded is the Authorization Field Definition of Register message of expansion Session Initiation Protocol, makes it to comprise the content of the specific algorithm title of authentication random number, five-tuple or tlv triple authentication parameter, SIM card authenticating result, encryption.
6. realize comprising the system of mobile service by broadband wireless access for one kind:
Mobile subscriber terminal UE (1) has the ability of carrying out network insertion by wireless broad band technology;
Mobile core network (2);
It is characterized in that: broadband access network (8) is arranged between mobile subscriber terminal and mobile core network, and broadband access network (8) is coupled to mobile core network (2) by conversation inceptive protocol gateway SIP GW (9);
Be coupled to the access point AP (7) of broadband access network (8), be used for mobile subscriber terminal is linked into broadband access network (8);
Mobile subscriber terminal (1) also is used to finish the registration of mobile subscriber terminal under the broadband wireless network environment, after succeeding in registration, sets up link between mobile subscriber terminal and the mobile core network, uses telecommunication service; Wherein saidly finish the registration of mobile subscriber terminal under the broadband wireless network environment and comprise:
S1.UE broadcasting DHCP Discovery message;
S2. the access point AP (7) that is connected to broadband access network receives the DHCPDiscovery message of UE, broadcasting DHCP OFFER message;
S3.UE selects a Dynamic Host Configuration Protocol server that is coupled to broadband access network from DHCP OFFER message, send DHCP Req message to this Dynamic Host Configuration Protocol server;
The S4.DHCP server returns DHCP ACK message, and UE receives DHCPACK message, obtains IP address and the dns server address of oneself;
S5.UE reads the SIP GW domain name of configuration from usim card, send the dns resolution request to the dns server that is coupled to broadband access network;
The S6.DNS server receives request, returns the IP address of SIP GW correspondence, and dns server may return a plurality of IP address, and UE is at random from wherein selecting one;
S7.UE uses the IP address of selecting, and sends SIP Reg to SIP GW;
S8.SIP GW receives SIP Reg request, sends the MSC/VLR (10) of Location Update Req in the mobile core network (2), has comprised IMSI and LAI information in the request;
S9.MSC/VLR sends Auth Info to HLR (12);
S10.HLR returns Auth Info;
S11.MSC/VLR sends Auth Req to SIP GW, has wherein carried AUTH and RAND;
S12.SIP GW sends 401Unauthority to UE, has carried AUTH and RAND in the message;
S13.UE receives 401Unauthority, to network authentication, resends a SIP Reg to SIP GW, has carried RES and AUTH information in the message;
S14.SIP GW receives SIP Reg, takes out RES wherein, sends Auth Rsp to MSC/VLR;
Relatively RES and local XRES are when equating for S15.MSC/VLR, and transmission Location Update Confirm is to SIP GW;
S16.SIP GW receives Location Update Confirm, sends the SGSN (11) of AttachReq in the mobile core network (2);
S17.SGSN sends AUTH Req to SIP GW, has wherein carried AUTH and RAND;
S18.SIP GW sends 401Unauthority to UE, has carried AUTH and RAND in the message;
S19.UE receives 401Unauthority, to network authentication, resends a SIP Reg to SIP GW, has carried RES and AUTH information in the message;
S20.SIP GW receives SIP Reg, takes out RES wherein, sends Auth Rsp to SGSN;
Relatively RES and local XRES are when equating for S21.SGSN, and AttachAccept is to SIP GW in transmission;
S22. so far, SIP GW finishes all processes of circuit switching and packet switching, returns 200OK and gives UE, finishes the registration process of UE.
7. realize comprising the method for mobile service by broadband wireless access for one kind:
Has mobile subscriber terminal UE (1) the access band access network (8) that carries out the ability of network insertion by wireless broad band technology, through conversation inceptive protocol gateway SIP GW (9) access mobile core network (2), finish the registration of mobile subscriber terminal under the broadband wireless network environment simultaneously;
After succeeding in registration, set up link between mobile subscriber terminal and the mobile core network, use telecommunication service;
The wherein said process of finishing the registration of mobile subscriber terminal under the broadband wireless network environment comprises:
S1.UE broadcasting DHCP Discovery message;
S2. the access point AP that is connected to broadband access network receives the DHCPDiscovery message of UE, broadcasting DHCP OFFER message;
S3.UE selects a Dynamic Host Configuration Protocol server that is coupled to broadband access network from DHCP OFFER message, send DHCP Req message to this Dynamic Host Configuration Protocol server;
The S4.DHCP server returns DHCP ACK message, and UE receives DHCPACK message, obtains IP address and the dns server address of oneself;
S5.UE reads the SIP GW domain name of configuration from usim card, send the dns resolution request to the dns server that is coupled to broadband access network;
The S6.DNS server receives request, returns the IP address of SIP GW correspondence, and dns server may return a plurality of IP address, and UE is at random from wherein selecting one;
S7.UE uses the IP address of selecting, and sends SIP Reg to SIP GW;
S8.SIP GW receives SIP Reg request, sends the MSC/VLR (10) of Location Update Req in the mobile core network (2), has comprised IMSI and LAI information in the request;
S9.MSC/VLR sends Auth Info to HLR (12);
S10.HLR returns Auth Info;
S11.MSC/VLR sends Auth Req to SIP GW, has wherein carried AUTH and RAND;
S12.SIP GW sends 401Unauthority to UE, has carried AUTH and RAND in the message;
S13.UE receives 401Unauthority, to network authentication, resends a SIP Reg to SIP GW, has carried RES and AUTH information in the message;
S14.SIP GW receives SIP Reg, takes out RES wherein, sends Auth Rsp to MSC/VLR;
Relatively RES and local XRES are when equating for S15.MSC/VLR, and transmission Location Update Confirm is to SIP GW;
S16.SIP GW receives Location Update Confirm, sends the SGSN (11) of AttachReq in the mobile core network (2);
S17.SGSN sends AUTH Req to SIP GW, has wherein carried AUTH and RAND;
S18.SIP GW sends 401Unauthority to UE, has carried AUTH and RAND in the message;
S19.UE receives 401Unauthority, to network authentication, resends a SIP Reg to SIP GW, has carried RES and AUTH information in the message;
S20.SIP GW receives SIP Reg, takes out RES wherein, sends Auth Rsp to SGSN;
Relatively RES and local XRES are when equating for S21.SGSN, and AttachAccept is to SIP GW in transmission;
S22. so far, SIP GW finishes all processes of circuit switching and packet switching, returns 200OK and gives UE, finishes the registration process of UE.
8. according to the method for claim 7, the process of setting up link between back mobile subscriber terminal and the mobile core network that wherein succeeds in registration comprises:
S ' 1. mobile subscriber terminal sends the Invite signaling to SIP GW;
S ' 2.SIP GW transmission initialization value passes to the MSC in the mobile core network;
S ' 3.MSC returns authentication request Auth Req and gives SIP GW;
S ' 4.SIP GW receives authentication request, sends 407 message to mobile subscriber terminal, requires terminal to carry out authentication, comprises authentication character string: RAND and AUTN in described 407 message;
S ' 5. mobile subscriber terminal transmission ACK confirms 407 message;
S ' 6. mobile subscriber terminal resends Invite message, has carried Authentication Response RES in the message;
S ' 7.SIP GW receives Invite, sends authentication responses to MSC;
S ' 8.MSC judges according to the authentication responses of returning whether the user is validated user, if the user is legal, the call accepted request sends Authentication Response to SIP GW;
S ' 9.SIP GW receives Authentication Response, sends the 100trying signaling to mobile subscriber terminal;
S ' 10.SIP GW sends message to MSC, comprises initial message in the message;
S ' 11.MSC returns call flow message to SIP GW;
S ' 12.MSC begins to set up the initialization flow process;
After S ' 13. initialization flow processs were set up and finished, MSC sent prompting message to SIPGW;
S ' 14.SIP GW returns the 180Ringing signaling to mobile subscriber terminal, and mobile subscriber terminal is received the sound that shakes;
S ' 15. called incoming call answerings, MSC send connection message to SIP GW;
S ' 16.SIP GW sends 200OK to mobile subscriber terminal;
S ' 17. mobile subscriber terminals receive 200OK, send acknowledge message to SIPGW;
S ' 18.SIP GW sends and connects acknowledge message to MSC;
Voice link between S ' 19. mobile subscriber terminals and the MSC is set up, and begins conversation.
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| CN101404798A (en) * | 2008-09-12 | 2009-04-08 | 上海顶竹通讯技术有限公司 | Method for mobile core network access through fixed network |
| US20110268035A1 (en) * | 2009-01-09 | 2011-11-03 | Kazunori Ozawa | Gateway apparatus, gateway method, and program |
| US20110044248A1 (en) * | 2009-08-18 | 2011-02-24 | Qualcomm Incorporated | Reliable inter-radio access technology core network tunnel |
| CN101729599B (en) * | 2009-11-20 | 2013-03-13 | 中国电信股份有限公司 | Method and system for user to access internet through mobile terminal by using broadband network |
| CN102907170A (en) * | 2010-06-01 | 2013-01-30 | 诺基亚西门子通信公司 | Method of connecting mobile station to communications network |
| CN102595510B (en) * | 2011-01-06 | 2015-05-20 | 鼎桥通信技术有限公司 | Message processing method and device |
| EP2590449A4 (en) * | 2011-06-21 | 2013-06-19 | Huawei Tech Co Ltd | Method, apparatus and system for establishing communication |
| CN103312449B (en) * | 2012-03-16 | 2016-06-15 | 鼎桥通信技术有限公司 | Downlink data package transmission method and RNC under AP networking scene |
| CN103369708B (en) * | 2012-03-29 | 2018-08-31 | 南京中兴软件有限责任公司 | A kind of method and device using mobile network |
| CN108934022B (en) * | 2017-05-25 | 2020-11-06 | 华为技术有限公司 | Registration method and device |
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