CN1199393C - Method for realizing multi-casting roam - Google Patents
Method for realizing multi-casting roam Download PDFInfo
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- CN1199393C CN1199393C CN 02116569 CN02116569A CN1199393C CN 1199393 C CN1199393 C CN 1199393C CN 02116569 CN02116569 CN 02116569 CN 02116569 A CN02116569 A CN 02116569A CN 1199393 C CN1199393 C CN 1199393C
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Abstract
The present invention discloses a method for realizing the roaming of multicast services. Each multicast service area is divided into multicast service areas which are identified. A user adopts a multicast service context (MBMS context) comprising different parameters to send out a multicast service request to a network according to the requirement for obtaining services. The parameters comprise IP multicast addresses, access point names (APN) and multicast service area identification. The network determines the multicast service area selected by the user according to the request of the user, and sends out data of the selected multicast service area to the user. No matter whether the user lies in a roaming state or not, the user can freely select the multicast service area through the MBMS context according to the own requirements. The network distinguishes different multicast service sources according to the MBMS context, and thereby, the roaming of the multicast services is verily realized.
Description
Technical field
The present invention relates to the implementation method of multi-casting roam in the mobile communications network.
Background technology
Broadcast/multi broadcast business among the mobile network (MBMS) The Application of Technology makes that the packet on same paths need only be transmitted once by business tine, rather than is transmitted repeatedly by booking reader's number of users, thereby can effectively utilize Internet resources.For realizing the roaming of multicast service, the 3rd generation mobile communication normal structure (3GPP) is divided into a plurality of multicast services district with each multicast service service area, makes multi-case data put multicast in these multicast service districts.Like this, when using existing method to realize multi-casting roam, the user at first uses the multicast service context (MBMS Context) that comprises ip multicast address and APN (APN) to send the multicast service request to network, network based user's request is according to judging that the user in which multicast service district, plays the local service data in the multicast service district at user place then to this user.Because concerning same business, the corresponding ip multicast address and the APN of various places may be identical, and therefore, the MBMS Context that inserts same business in various places also may be identical, and no matter local user or roamer can only receive the local service data.From the above, adopt existing method, no matter the user is at ownership place or roams in the other places, with using identical MBMS Context to apply for multicast service per family, and can only apply for the local service data, and can't freely select the multicast service district, also can't visit the ownership place business datum.Produce the reason of the problems referred to above, be that the user uses identical MBMS Context to come identification service, even the user can apply for successfully that the other places is professional, service center is when issuing data by network, because the other places is professional identical with the MBMS Context of local service, network will think that this is that same business is served same user, thereby only safeguard that a multicast connects, so the user still can't receive the other places and the local data of same business simultaneously.Therefore, the implementation method of existing multi-casting roam also can't apply for receiving the business datum of other places, ownership place owing to can't freely select the multicast service district, can not satisfy the demand of user's roaming fully.
Summary of the invention
The object of the present invention is to provide a kind of implementation method that can freely select the multi-casting roam in multicast service district.
For achieving the above object, the implementation method of multi-casting roam provided by the invention comprises:
(1) each multicast service service area is divided into the multicast service district, the district identifies to multicast service;
(2) user adopts to comprise that the multicast service context (MBMS Context) of different parameters sends the multicast service request to network according to the needs of the service of obtaining, and described parameter comprises ip multicast address, APN (APN) and multicast service district sign;
(3) network based user asks to determine the multicast service district of user's selection, selects corresponding multi-case data source, broadcasts the data in selected multicast service district then to this user.
When the multicast service of the local region of non-roaming user capture, step (2) adopts the MBMS Context that comprises with multicast service corresponding ip multicast address and APN to send the multicast service request to network.
When the multicast service of the local appointed area of non-roaming user capture, step (2) adopts the MBMS Context that comprises with the corresponding ip multicast of multicast service address, APN and local purpose multicast service district sign to send the multicast service request to network.
When the multicast service in non-roaming user capture other places, step (2) adopts the MBMSContext that comprises with the corresponding ip multicast of multicast service address, APN and nonlocal purpose multicast service district sign to send the multicast service request to network.
When the roamer visited local multicast service, step (2) adopted the MBMS Context that comprises with the corresponding ip multicast of multicast service address, APN to send the multicast service request to network.
When the roamer visited the multicast service of local appointed area, step (2) adopted the MBMS Context that comprises with the corresponding ip multicast of multicast service address, APN and local purpose multicast service district sign to send the multicast service request to network.
When the roamer visited the multicast service of ownership place, step (2) adopted the MBMSContext that comprises with the corresponding ip multicast of multicast service address, APN and ownership place purpose multicast service district sign to send the multicast service request to network.
When the roamer visited the multicast service in other places, step (2) adopted the MBMSContext that comprises with the corresponding ip multicast of multicast service address, APN and nonlocal purpose multicast service district sign to send the multicast service request to network.
Because the present invention identifies the multicast service district, make the user and to obtain the needs of service according to roaming, in the ip multicast address, select in the parameters such as APN (APN) and multicast service district sign, employing comprises that the multicast service context (MBMS Context) of different parameters sends the multicast service request to network, like this, no matter whether the user is in roaming state, can freely select the multicast service district by MBMS Context according to the needs of oneself, network based MBMSContext distinguishes different multicast service sources, thereby really realizes multi-casting roam; Compare with existing method, problem is selected in the multicast service district when having solved roaming.In addition, because no multicast service source information among the MBMSContext, mobile network's GGSN (Gateway GPRS Support Node) can't utilize IGMP (the Internet Group Management Protocal of future with the version 3 of release, be in the draft stage at present) advantage of agreement, there is selection to accept data at multicast source, influences network efficiency.
Description of drawings
Fig. 1 is the embodiment flow chart of the method for the invention.
Embodiment
The present invention is when specific implementation, zones of different is transmitted the requirement of different pieces of information for the multicast service that satisfies the mobile network, each multicast service coverage is divided into one or more subregions, it is the multicast service district, the division in multicast service district is relevant with the requirement of specific multicast service, may be a city, also may be a slice residential block, or sight spot, showplace, a place.Multicast service district and mobile network cell (Cell) onrelevant can be less than mobile network's sub-district.In same multicast service district, the mobile network sends identical multi-case data for this business.It may be different that the service area of each multicast service is divided.For ease of commencing business, Virtual network operator can form multicast service district minimum particle size by certain uniform principles zoning in the reality, and the service provider can divide on the basis in operator and form the multicast service district by merging some zones.
Multicast service can provide and zone special service relatively through after the area dividing.Can freely select the multicast service district according to the needs of oneself for making the user no matter whether be in roaming state, need identify for each multicast service district, so that make the user who is not in this zone also can visit these by the characteristic service of identified areas, for example, suppose that multicast service is weather forecast, service area is divided by the city, go to certain city before, can receive the weather forecast situation of destination.Concrete sign operation is finished by wireless carriers or service provider, according to service needed, can disclose all service area IDs, also can selectively disclose partial service district sign and select for the user.
Multicast service district sign can be taked the formal definition of uniform resource locator (URL).The particular content of this sign can adopt following addressing scheme by Virtual network operator or service provider's addressing and open during specific implementation:
1, take the URL relevant with region name, as: MC:nangsang.shengzheng.gd.cn.
2, the multicast service district that increases to the MBMS service center (MB-SC) that service is provided for this service area identifies identical domain name, can directly parse corresponding MBMS service center by service area ID like this.
Based on above-mentioned multicast service district sign, when the user carries out the selection of multicast service district, described sign need be joined in the multicast service context (MBMS Context).According to the regulation of 3GPP 22.146 agreements, the multicast service that provides the network entity of the PLMN of MBMS business to can be each active state provides one or more multicast context, and a multicast context has comprised MBMS professional necessary information and parameter.APN and other information that the MBMS context comprises the ip multicast address of MBMS multicast service and is used to visit the MBMS business, the user uses MBMS Context application multicast service.To same business, the corresponding multicast address of various places may be all identical with APN, if adopt the structure of the MBMS Context of " ip multicast address+APN ", then such multicast context has only identified certain business, does not reflect region and multicast service district.For the roamer, because visit ground characteristic service uses identical MBMS Context with the ownership place characteristic service, the local multi-case data that can only obtain visiting multicast service district, place, ground during the application multicast service, therefore, according to the present invention, if the user needs freely to select the multicast service district, just described sign need be joined in the multicast service context (MBMSContext).That is to say,, must increase attached information in the multicast context for the multi-case data that makes the user can visit specific multicast service sub-district.New multicast context is existing scheme and combining that the multicast service district identifies, and is defined as follows:
MBMS Context=IP multicast address+APN+[multicast service district sign multicast service source URI]+[all the other information].
URI=multicast service district, multicast service source sign | multicast service source host URL
When the multicast service in user applies specified services district, should use the MBMS Context of subsidiary multicast service district sign to initiate application.Take aforementioned schemes as multicast service district sign, then can directly parse the multicast service center (MB-SC) that service is provided for the specified services district, and to this service center application business.
Can also use the MBMS Context of not subsidiary multicast service district sign in the reality the user, no matter whether the user roams, acquiescence is obtained the local characteristic service that multicast service district, user place provides, this is that the optional parameters of multicast service sign as MBMS Context used, and also can be used as mandatory parameter certainly in the reality and uses.
For network, use the MBMS Context of subsidiary multicast service district sign can orient same business provides service for different multicasts district multicast source, this context all is unique in whole network, when the user roams, network still can separate non-local service source and local service source region, thereby realizes multi-casting roam.
The MBMS Context of subsidiary " multicast service source host URL " is the corresponding multicast service that is used to identify by specifying the multicast service source to send, and is mainly used in and accepts multi-case data on the Internet network in the mobile network.
Use the MBMS Context of subsidiary " multicast service source URI ", if support the IGMP agreement of version 3 between mobile network and multicast source, then mobile network's GGSN can select to accept the multi-case data from some service source that it needs, rather than this multicast group active data, help to reduce network efficiency.
The present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the embodiment flow chart of the method for the invention.According to Fig. 1, when the user sends the multicast service request to network, at first obtain the needs of service in step 1 basis, select to comprise the multicast service context (MBMS Context) of different parameters, described parameter comprises ip multicast address, APN (APN) and multicast service district sign etc.; Adopt selected MBMSContext to send the multicast service request to network in step 2 then, network according to the multicast service district that the user asks to determine user's selection, is broadcast the data in selected multicast service district in step 3 then to this user.
Above-mentioned steps 3 is when specific implementation, if the MBMS business of the local region of non-roaming user capture, it is professional that then the user can use the MBMS Context application of " the corresponding ip multicast address+APN of multicast service ", network positions arrives the service source in multicast district, user place, and provides the corresponding service data to the user; If the MBMS business of the local appointed area of non-roaming user capture, it is professional that then the user can use the MBMS Context application of " the purpose multicast service district sign of the corresponding ip multicast of multicast service address+APN+ this locality ", network positions is specified the service source in local multicast district to the user, and provides the corresponding service data to the user; If the MBMS business in non-roaming user capture other places, it is professional that then the user can use the MBMS Context application of " the purpose multicast service district sign in the corresponding ip multicast of multicast service address+APN+ other places ", network positions is specified the service source in nonlocal multicast district to the user, and provides the corresponding service data to the user; If the roamer visits the MBMS business on this locality (visit ground), it is professional that then the user can use the MBMS Context application of " the corresponding ip multicast address+APN of multicast service ", network positions arrives the service source in multicast district, user place, and provides the corresponding service data to the user; If the roamer visits the MBMS business of local appointed area, it is professional that then the user can use the MBMS Context application of " the purpose multicast service district sign of the corresponding ip multicast of multicast service address+APN+ this locality ", network positions is specified the service source in multicast district to the user, and provides the corresponding service data to the user; If the roamer visits the MBMS business of ownership place, it is professional that then the user can use the MBMS Context application of " the purpose multicast service district sign of the corresponding ip multicast of multicast service address+APN+ ownership place ", network positions arrives the service source in multicast district, user's specified home ground, and provides the corresponding service data to the user; If the roamer visits other places (non-attribution, also non-visit ground) MBMS business, it is professional that then the user can use the MBMS Context application of " the purpose multicast service district sign in the corresponding ip multicast of multicast service address+APN+ other places ", network positions is specified the service source in nonlocal multicast district to the user, and provides the corresponding service data to the user.
Above described ownership place (Home Network) be meant to be solely responsible for and provide and control user signing contract information, and provide the network of service for it, promptly refer to user's contract signing place network;
Above described visit ground (Visited Network) be meant: the current network of just visiting of user, refer in particular to user's roaming among the present invention after, the network that the user is just using.
The present invention is further described below in conjunction with concrete application example.
(economize name: (city's name: sz) provide weather forecast and shopping guide two kinds of multicast services, the multicast IP address of two kinds of multicast services is respectively IP1, IP2 in city gd) for certain province to suppose the service provider.The professional administrative division (supposing that this city is divided into 4 districts, is respectively east, west, north, south) by this city of weather forecast provides professional, and the service provider has distributed sign for these 4 service areas.The shopping guide business provides professional for this incity commercial center area, and service provider's decision only discloses the multicast service district sign of the commercial busiest section hqb in a place wherein.
Mobile subscriber ms1, the ms2 in sz city all contracted weather forecast and two kinds of multicast services of shopping guide.Mobile subscriber ms1 does not leave the sz city, and it is professional to use IP1+APN to apply for, receives the weather forecast information in his administrative area, place, uses the IP2+APN application professional, receives near the shopping guide information of his commercial center.Ms1 user uses IP1+APN+ weather forecast multicast service east district sign, thereby understands the weather condition in east area, this city.And, can specially browse the up-to-date shopping trend of sz city hqb commercial center by IP2+APN+ shopping guide multicast service hqb district sign.
Ms2 has roamed into the gz city, he uses IP1+APN application professional (IP1 and APN are identical when the sz city with him), receive the weather forecast information in certain district in his gz city, place, use IP2+APN application professional (IP2 and APN are identical when the sz city with him), certain that receives his gz city, place is closed on the shopping guide information of commercial center, use " multicast service district, east district, IP1+APN+sz city sign " application professional, receive the weather forecast in east district, sz city.
Claims (9)
1, a kind of implementation method of multi-casting roam comprises:
(1) each multicast service service area is divided into the multicast service district, the district identifies to multicast service;
(2) user adopts to comprise that the multicast service context (MBMS Context) of different parameters sends the multicast service request to network according to the needs of the service of obtaining, and described parameter comprises ip multicast address, APN (APN) and multicast service district sign;
(3) network based user asks to determine the multicast service district of user's selection, selects corresponding multi-case data source, broadcasts the data in selected multicast service district then to this user.
2, the implementation method of multi-casting roam according to claim 1, it is characterized in that: when the multicast service of the local region of non-roaming user capture, step (2) adopts the MBMS Context that comprises with multicast service corresponding ip multicast address and APN to send the multicast service request to network.
3, the implementation method of multi-casting roam according to claim 2, it is characterized in that: when the multicast service of the local appointed area of non-roaming user capture, step (2) adopts the MBMSContext that comprises with the corresponding ip multicast of multicast service address, APN and local purpose multicast service district sign to send the multicast service request to network.
4, the implementation method of multi-casting roam according to claim 3, it is characterized in that: when the multicast service in non-roaming user capture other places, step (2) adopts the MBMSContext that comprises with the corresponding ip multicast of multicast service address, APN and nonlocal purpose multicast service district sign to send the multicast service request to network.
5, the implementation method of multi-casting roam according to claim 4, it is characterized in that: when the roamer visited local multicast service, step (2) adopted the MBMS Context that comprises with the corresponding ip multicast of multicast service address, APN to send the multicast service request to network.
6, the implementation method of multi-casting roam according to claim 5, it is characterized in that: when the roamer visited the multicast service of the local appointed area of O, step (2) adopted the MBMS Context that comprises with the corresponding ip multicast of multicast service address, APN and local purpose multicast service district sign to send the multicast service request to network.
7, the implementation method of multi-casting roam according to claim 6, it is characterized in that: when the roamer visited the multicast service of ownership place, step (2) adopted the MBMSContext that comprises with the corresponding ip multicast of multicast service address, APN and ownership place purpose multicast service district sign to send the multicast service request to network.
8, the implementation method of multi-casting roam according to claim 7, it is characterized in that: when the roamer visited the multicast service in other places, step (2) adopted the OMBMSContext that comprises with the corresponding ip multicast of multicast service address, APN and nonlocal purpose multicast service district sign to send the multicast service request to network.
9, according to the implementation method of claim 1,2,3,4,5,6,7 or 8 described multi-casting roams, it is characterized in that: the described formal definition that adopts uniform resource locator (URL) that the multicast service district is identified of step (1).
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| CN 02116569 CN1199393C (en) | 2002-04-09 | 2002-04-09 | Method for realizing multi-casting roam |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332527C (en) * | 2003-10-28 | 2007-08-15 | 华为技术有限公司 | Method for transmitting and receiving multimedia broadcasting and multi-playing service declaration information |
| KR101042803B1 (en) * | 2003-11-06 | 2011-06-20 | 삼성전자주식회사 | Paging method for a mbms service in a mobile communication system |
| US7398091B2 (en) * | 2004-02-02 | 2008-07-08 | Motorola, Inc. | Method and apparatus for providing a multimedia broadcast/multicast service in a visited network |
| CN1694381B (en) * | 2004-05-07 | 2011-08-24 | 日本电气株式会社 | Mobile communication system and MBMS service relevant information transfer method for use therewith |
| JP4568557B2 (en) | 2004-08-10 | 2010-10-27 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication system and mobile station |
| EP1897384B1 (en) * | 2005-06-21 | 2010-09-22 | Telefonaktiebolaget LM Ericsson (publ) | Provision of multimedia broadcast/multicast service (mbms) for roaming subscribers |
| CN101018168B (en) * | 2006-02-06 | 2010-08-18 | 华为技术有限公司 | Bearing method of IP multimedia system business and its system |
| KR101377947B1 (en) * | 2006-02-28 | 2014-04-02 | 엘지전자 주식회사 | Method of roaming in broadcast service and system and terminal thereof |
| CN100450097C (en) * | 2006-03-10 | 2009-01-07 | 华为技术有限公司 | Method for roaming user data route in evolution network |
| CN1829389B (en) * | 2006-04-14 | 2010-11-10 | 中国移动通信集团公司 | Method and system for holding terminal nomadism in mobile broadcast television service |
| CN101119235B (en) * | 2007-09-20 | 2011-02-16 | 深圳市金蝶中间件有限公司 | Method and system for positioning client terminal in application service system |
| CN101754332B (en) * | 2008-12-18 | 2012-06-06 | 中国移动通信集团公司 | Data business routing method, system and network equipment |
| CN113068134B (en) * | 2020-01-02 | 2022-06-10 | 维沃移动通信有限公司 | Method, device and communication equipment for multicast service session operation |
| CN113068133A (en) * | 2020-01-02 | 2021-07-02 | 维沃移动通信有限公司 | Multicast user operation notification method and device and communication equipment |
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