CN101084495A - Method for providing ims-based wireless download services - Google Patents
Method for providing ims-based wireless download services Download PDFInfo
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- CN101084495A CN101084495A CN 200580035840 CN200580035840A CN101084495A CN 101084495 A CN101084495 A CN 101084495A CN 200580035840 CN200580035840 CN 200580035840 CN 200580035840 A CN200580035840 A CN 200580035840A CN 101084495 A CN101084495 A CN 101084495A
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Abstract
Various embodiments are described to provide wireless download services that are more robust than those currently available. Signaling between and among the user equipment (UE) ( 101 ) obtaining download service, one or more IMS (IP multimedia subsystem) servers ( 151 ), and the download server ( 161 ) from which the content is obtained enable an improved level of service. Some improvements that may be realized include guaranteed QoS levels for content downloads, user selection of QoS (in real-time and per content request, possibly), flexible pricing options (e.g., per session, content-based, QoS-based billing), and authentication on a per-content basis.
Description
Related application
The sequence number that the application requires on October 22nd, 2004 to submit to is 60/621,564, name is called the U.S. Provisional Application No. of " METHOD FOR PROVIDING IMS-BASED WIRELESS DOWNLOADSERVICES ", and this application is had by the applicant and incorporates into herein in full by reference.
Technical field
The present invention relates generally to radio communication, the wireless downloading service based on IMS (IP Multimedia System) particularly is provided.
Technical background
Current, each standardization body such as OMA (Open Mobile Alliance), 3GPP (third generation partner plan) and 3GPP2 (third generation partner plans 2) are developing and are being used for carrying out the standard criterion that multimedia sends (these tissues can respectively by network address http://www.openmobilealliance.com, http://www.3gpp.org and http: // 3gpp2.com gets in touch) to wireless device.For example, in 3GPP 23.228, tentatively stipulated IMS (IP Multimedia System).But, some shortcoming is all arranged by present defined IMS and general wireless sending.
For example, current solution still all lacks for the control of downloading QoS (quality of service) the service provider service-user.And current charge (or charging) mode underaction forces the service provider content-based size to charge usually.In addition, do not support the authentication of sending at certain content yet.And authentication is subject to existing wireless network authentication process usually.
Therefore wishing has a kind of method that improved wireless downloading service is provided.
Description of drawings
Fig. 1 is the block scheme of the wireless communication system of a plurality of embodiment according to the present invention.
Fig. 2 is the exemplary high-level message flow diagram of a plurality of embodiment according to the present invention, shows subscriber equipment (UE) and obtains download service based on IMS from Download Server and IMS server.
Fig. 3 is the exemplary high-level message flow diagram of a plurality of embodiment according to the present invention, shows the IMS server message based on IMS download service of support to subscriber equipment (UE).
Below with reference to Fig. 1 to Fig. 3 specific embodiment of the present invention is described.Explanation that is provided and accompanying drawing are in order to promote the understanding of the present invention.For example, the size of some key element may be exaggerated with respect to other key elements among the figure, and being used for the commercial well-known key element that realizes may no longer draw, to avoid hindering the clear expression that obtains embodiment.Drawing and description succinct and clear be in order to make those skilled in the art to use and to implement the present invention better according to their existing knowledge.It will be appreciated by those skilled in the art that under the premise without departing from the spirit and scope of the present invention, can carry out various improvement and modification following specific embodiments of the invention.Therefore, instructions and accompanying drawing should be counted as illustrative and and exemplary, rather than restrictive or limit describes, the various modifications of this class of following specific embodiment also should be included within the scope of the present invention.
Embodiment
The following describes various embodiment, be used to provide the wireless downloading service, than current available service robust (robust) more.By the signaling between each subscriber equipment (UE) that obtains download service, one or more IMS (IP Multimedia System) and the Download Server that therefrom obtains content, service available grade.Attainable improvement comprises the authentication that the user of guaranteed download content QoS grade, QoS selects (can in real time or by each content requests), charge flexibly to select (as press session charging, content-based charging, charge based on QoS etc.) and press content.
By 1～3 can more fully understanding the disclosed embodiments with reference to the accompanying drawings.Fig. 1 is the block scheme of the wireless communication system 100 of a plurality of embodiment according to the present invention.Communication system 100 expressions have according to the described architecture of one or more standards in the 3GPP standard (GSM, GPRS, EDGE, UMTS etc.), are suitable for making amendment to realize the present invention.Other embodiment of the present invention can realize in the communication system of the technology that adopts other (or additional) to describe in such as but not limited to 802.11,802.16 and/or 802.20 standards at 3GPP2 standard and IEEE.
Especially, communication system 100 comprises subscriber equipment (UE) 101, radio access network (RAN) 121, packet data network 131, IP (Internet protocol) network 141, IMS server 151 and Download Server 161.Those skilled in the art will appreciate that Fig. 1 not draw the system 100 needed overall network equipment of work and only be and relevant especially system component and the logic entity of description of each embodiment here.For example, known packet data network comprises the equipment such as Serving GPRS Support Node (SGSN) and Gateway GPRS Support Node (GGSN).And known RAN comprises that this depends on the technology that is adopted such as the equipment of transceiver base station (BTS), access point (AP), base station controller (BSC) and radio network controller.
Known users equipment is meant various consumer electronics platforms, such as but not limited to movement station (MS), access terminal (AT), terminal device, game station, personal computer, PDA(Personal Digital Assistant), line-connection type set-top box and satellite set top box etc.IMS and Download Server also are known.In general, Download Server is the content provider, may be managed by the third party who is independent of wireless communication network operators.Download Server is executable content conversion and issuing function also, as protocol conversion and the conversion of carrying coding/decoding.
Because UE and service platform are known and have provided algorithm, logic flow, message/signaling flow, call-flow and/or protocol specification that those skilled in the art can design and develop certain technology, is used to realize carrying out the platform of given logic.In addition, it will be appreciated by those skilled in the art that Download Server of the present invention aspect, IMS server aspect and UE aspect can realize or stride assembly and realize in different actual component, realize and be not necessarily limited to single component.
The associative operation of the embodiment of each UE, IMS server and Download Server will be described with reference to figure 2.Fig. 2 is the exemplary high-level message flow diagram of a plurality of embodiment according to the present invention, shows UE and obtains download service based on IMS from Download Server and IMS server.This exemplary message flow has illustrated that the QoS by secure enables the process of download service, as providing by IMS.Suppose the purpose for Fig. 2, Download Server, IMS server and UE support Session Initiation Protocol.And be browser and the DL/IMS clients entities that resides at UE for Fig. 2 especially.These entities only are exemplary, and only are applicable to some UE embodiment.More generally, UE can be counted as comprising client, and this client and IMS server and Download Server have interface.
As shown in Figure 2, the browsing session (seeing message 202) of browser startup and Download Server.This UE user selects specific content then from the content that the Download Server door is provided.In addition, this user can select way of paying, as deducting fees from " my phone account ".This UE sends request to Download Server then and is used for selected content (seeing message 202) and points out user-selected any way of paying.But can be used as replacement, UE can not browse also not request content, and starts download message by Download Server, for example by pushing (push) data.
Reception triggers Download Server to requests for content and sends request to the IMS server, the information (seeing message 204) of the relevant download that is associated with request and this UE.This information is kept by the HSS/ user of IMS server/be used for UE, and comprises such as authorizing and the cost information of pay imformation.In response, the IMS server sends the information of the relevant download that is associated with this UE to Download Server.
Download Server uses this to produce the Download Descriptor that is used for this UE with downloading relevant information then, and this descriptor adopts the form of the Download Descriptor (DownloadDescriptor) of expansion OMA.For example, QoS expansion item can add current OMA Download Descriptor to, so that the download option flexibly to be provided to UE user.Can add such QoS expansion, so that the time that UE user can select download bandwidth, is used for bearing protocol that content sends, the available content version of different quality and content be when available.The bearing protocol option can comprise push protocol, (on-demand) delivering protocol, Radio Broadcasting Agreements, multicast protocol and/or stream send as required.For example, can provide option to UE user, or select no charged extra the acquiescence download, the additional downloaded of applicable additional cost is arranged or the additional downloaded of utilizing the DVB-H agreement of suitable additional cost is arranged.
Above-mentioned QoS expansion item can adopt the form of conversation description (Session Description).Conversation description is based on SDP (Session Description Protocol), and SDP is intended to be used to describe Multimedia session, is used for session statement, session invitation and other forms of Multimedia session and starts.SDP simply provides the form of conversation description, does not comprise host-host protocol.How to utilize one or more conversation descriptions to expand the OMA Download Descriptor in order illustrating, to provide an example below:
1 <media?xmlns＝″http://www.openmobilealliance.org/xmlns/dd″
2 xmlns:sd＝″http://www.openmobilealliance.org/xmlns/session-description″>
3 <type>image/gif</type>
4 <objectURI>http:/foo.bar.com/pic-dir/picture.gif</objectURI>
5 <size>1234</size>
6 <installNotify-URI>http:/foo.bar.com/status</installNotify-URI>
7 <sd:sessions>
8 <sd:session>
9 <sd:type>application/sdp</sd:type>
10 <sd:description>
11 i＝54Kbps?download?session，default?subscription
12 u＝http://foo.bar.com/pic-dir/picture.gif
13 </sd:description>
14 </sd:session>
15 <sd:session>
16 <sd:type>appiication/sdp</sd:type>
17 <sd:description>
18 i＝128Kbps?download?session，0.5?USD?additional?charge
19 u＝http://192.168.2.55/pic-dir/picture.gif
20 </sd:description>
21 </sd:session>
22 <sd:session>
23 <sd:type>application/sdp</sd:type>
24 <sd:description>
25 i＝1Mbps，DVB-H
26 u＝http://192.168.2.55/pic-dir/picture.gif
27 v＝0
28 o＝user?2890844526?2890842807?IN?IP4?10.20.30.40
29 s＝File?delivery?session?example
30 t＝2873397496?2873404696
31 a＝source-filter:incl?IN?IP4*10.20.30.40
32 a＝flute-tsi:1
33 a＝flute-ch:1
34 m＝application?4001?FLUTE?0
35 c＝IN?IP4?226.10.40.1/15
36 </sd:description>
37 </sd:session>
38 </sd:sessions>
39 </media>
The the 8th to 14 row has provided a download session description among the last figure, and this service provider is downloaded any expense of not collecting to corresponding media object.This service provider can only charge to media object itself, or to arranging the right objects charge of this media object consumption.
The the 15th to 21 row has provided download session and has described, and will guarantee the download bandwidth of 128kbps to this service provider, but download is collected 50 cents to media object.In some cases, for download bandwidth is provided, the service provider will be repositioned onto this media object on the geographical server of going up near this UE (192.168.2.55).Therefore, the whole expense that this media object is downloaded is 50 cents and adds the charge to content itself.
The the 22nd to 38 row has provided a download session and has described, and will use broadcast bearer to be used for this media object to this service provider and send.In case UE selects to use this session to download, then this UE is connected to this broadcast session and divides into groups to construct whole media object by collecting each UDP.In general, use above-mentioned conversation description to make and to use such download mechanism, except downloading (as HTTP etc.) as required, the download of more quick-downloading (as utilizing the 1Mbps of DVB-H) when selecting broadcast bearer in addition, plan (can arrange broadcast start and end time) and improved resource reservation/distribution.
See Fig. 2 again, Download Server sends to this UE to Download Descriptor according to the information relevant with download.Download Descriptor (its example goes through in the above) is used to download for UE/ user points out one or more QoS options.Respond this Download Descriptor, UE sends download request, points out its selection to the QoS option.
In certain embodiments, UE utilizes a QoS expansion startup signaling session of selecting from Download Descriptor.In these embodiments, can pass through UE, IMS server and Download Server and use session initiation protocol (SIP).SIP is based on the agreement of text, is similar to HTTP and SMTP, is used to start interactive communication session.Can get in touch internet engineering task group (IETF) and obtain more complete SIP description.Therefore, the download request of UE transmission can adopt SIP INVITE form (seeing message 206).
The IMS server receives and has pointed out the download request of selected QoS option, and sends the indication of this download request and QoS option to Download Server.Download Server and IMS server are coordinated, thereby utilize selected QoS the download option that download to UE is provided.The IMS server is scheduled to support download by obtaining suitable Internet resources, and selected QoS grade is provided at least.Like this, UE can receive download by selected speed, time, price and mode.
For the embodiment that wherein uses SIP, message 208 and 210 has provided the additional sip message between UE, IMS server and the Download Server, is used for coordinating to download and selected QoS option.Fig. 3 provides the more specific example of this sip message.Fig. 3 in fact also shows the IMS inside story.P-CSCF (acting on behalf of the kernel conversation control function), I-CSCF (inquiry kernel conversation control function), HSS (home subscriber servers) and S-CSCF (service kernel conversation control function) are the IMS functional entitys that defines in the 3GPP standard at present.And, except downloading (DL) server, also show digital copyright management (DRM) server.
As shown in Figure 2, to some embodiment, message 208 and 210 has been described the sip message session that relates to UE, IMS server and Download Server, and message 212 has been described the download content session between Download Server and the UE.To some embodiment, Download Server carried out authentication to UE before downloading content again.Send the download session access key to UE, and receive this download session access key of the private key signature of utilizing UE in response, carry out described authentication thus.Use therein among the embodiment of two different actual session, Download Server can send the download session access key to the IMS server and be used to be delivered to UE, for example utilizes SIPOK message.Here, the download session access key can utilize PKI and the SIP body of UE (or IMS client) to encrypt, and this SIP body comprises this download session, can use the private key of Download Server to sign.And if UE uses communication as required, for example HTTP comes downloaded media object, and this HTTP request will comprise the download session access key, and this key can use the private key of UE (or IMS client) to sign.
Except authentication, Download Server is also prepared to download content and is used to send.Have some content delivery of asking and be used for object UE, or select according to the QoS option of UE.Download Server can also for example, be sent to the geographical server of going up near the subscriber content delivery to other server, downloads in order to improve.And, predetermined according to QoS selection and/or service, content be can push, (as passing through HTTP) or broadcasting sent as required.In case finish download, UE can report the download state indication (seeing message 212) that this content is sent to Download Server.Such state indication or delivery notification are that optionally the bearing protocol of Yin Teding has guaranteed to send.And, according to the state that content is sent, Download Server can to the IMS server send be used for this download the message (see message 214) relevant with charge to handle, the record of for example charging.
By with reference to specific embodiment of the present invention, beneficial effect of the present invention, advantage have been described and to the solution of problem.But these beneficial effects, advantage and to the solution and the generation of problem or cause any key element of these beneficial effects, advantage and solution should not be interpreted into key, necessity or essential characteristic or the key element of any or all of claim.As here and employed in claims, " comprise " etc. and to be meant comprising of non-limit, like this, process, method, manufacture or device comprise a series of key elements, be not the key element that includes only in this series, but can also comprise that other are not clearly listed or these processes, method, manufacture and device intrinsic other key elements.
Indefinite article is meant one or unnecessary one (referring to English).Word " a plurality of " is meant two or more.Word " other " is meant to have second or more a plurality of at least.Word " comprises " and/or " having " is meant " comprising " (being open language).Word " coupling " is meant connection, although need not to be direct connection, also needs not to be the connection of machinery.Word " program ", " computer program " and " computer instruction " are meant the instruction sequence that can carry out on computer system.This instruction sequence can include but not limited to subroutine, function, process, object method, object realization, executable application programs, applet, servlet, shared library/dynamic load library, source code, object identification code and/or assembly code.
Claims (19)
1. one kind is used to provide the wireless downloading service method based on IMS (IP Multimedia System), and this method comprises:
Send request by Download Server to the IMS server to the information of the relevant download that is associated with special user equipment (UE);
Respond this request, receive the described relevant information of downloading from this IMS server by this Download Server;
Send Download Descriptor by this Download Server to this UE, this descriptor is based on the described relevant information of downloading and point out at least one service quality that is used to download (QoS) option;
Receive download request from this UE via this IMS server by this Download Server, the QoS option selected at least one indicated from described Download Descriptor QoS option has been pointed out in this request; And
Coordinate download to this UE by this Download Server and this IMS server, this download has the indicated QoS grade of selected QoS option at least.
2. the method for claim 1 further comprises: received requests for content from this particular UE by this Download Server, this request triggers this Download Server and sends request to this IMS server, the information of the relevant download that is associated in order to request and this UE.
3. method as claimed in claim 2, the wherein said modes of payments of requests for content having been pointed out to be ready to use in this content.
4. the method for claim 1, the information of the relevant download that wherein said and this UE are associated comprise from the information in the group that is made of predefined type and authentication and pay imformation.
5. the method for claim 1, wherein said at least one QoS option comprise coming free download bandwidth, be used for bearing protocol that content sends, the available content version of different quality and the QoS option of the group that time constituted that this content can be used when.
6. the method for claim 1 wherein saidly is used for that the bearing protocol that content sends comprises by push protocol, delivering protocol, Radio Broadcasting Agreements, multicast protocol and stream send the agreement of the group that constitutes as required.
7. the method for claim 1, wherein said download request comprises session initiation protocol (SIP) invitation message.
8. the method for claim 1, wherein said and this IMS server are coordinated to download and are comprised and using and this download is coordinated in session initiation protocol (SIP) session of this IMS server and this UE and the download content session between this Download Server and this UE.
9. the method for claim 1, wherein said coordinate to download to be included in before this UE downloads content with this IMS server this UE is carried out authentication.
10. method as claimed in claim 9, wherein this UE is carried out authentication and comprise:
Send the download session access key to this IMS server and be used to be delivered to this UE; And
Receive described download session access key by the private key signature of this UE.
11. the method for claim 1, the wherein said download with this IMS server coordination comprises: pointed out broadcast option when described download request, then this UE has been connected to broadcast session.
12. the method for claim 1 further comprises: receive the download state indication from this UE by this Download Server.
13. the method for claim 1 further comprises: the information that sends the relevant charge that is used for this download by this Download Server to this IMS server.
14. one kind is used to provide the wireless downloading service method based on IMS (IP Multimedia System), this method comprises:
Receive request by the IMS server from Download Server to the information of the relevant download that is associated with special user equipment (UE);
Respond this request, send this relevant information of downloading to this Download Server by this IMS server;
Receive download request by this IMS server from this UE, the QoS option selected at least one indicated in Download Descriptor QoS option has been pointed out in this request;
Send indication by this IMS server to this Download Server from this download request of this UE; And
Help the download of this Download Server execution to this UE by this IMS server, this download has the indicated QoS grade of selected QoS option at least.
Comprise according to first session initiation protocol (SIP) session between this IMS server and this Download Server and guide the 2nd SIP session with this UE 15. method as claimed in claim 14, this Download Server of wherein said help are carried out to download.
16. method as claimed in claim 14 further comprises the information that is received the relevant charge that is used for this download by this IMS server from this Download Server.
17. one kind is used to provide the wireless downloading service method based on IMS (IP Multimedia System), this method comprises:
Receive Download Descriptor by subscriber equipment (UE) from Download Server, this Download Descriptor has pointed out to be used at least one service quality (QoS) option of this download;
Send download request to Download Server via the IMS server by this UE, this download request has been pointed out the QoS option selected at least one indicated in this Download Descriptor QoS option;
Receive download by this UE, this download has the indicated QoS grade of selected QoS option at least.
18. method as claimed in claim 17 further comprises: send requests for content to this Download Server by this UE.
19. method as claimed in claim 17, wherein said UE comprises by the equipment in the following group that forms: movement station, access terminal, terminal device, game station, personal computer, personal digital assistant, cable set top box and satellite set top box.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62156404P | 2004-10-22 | 2004-10-22 | |
| US60/621,564 | 2004-10-22 | ||
| US11/254,212 | 2005-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101084495A true CN101084495A (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200580035840 Pending CN101084495A (en) | 2004-10-22 | 2005-10-21 | Method for providing ims-based wireless download services |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104973A (en) * | 2019-06-18 | 2020-12-18 | 大众汽车股份公司 | Method for providing infotainment content |
| WO2023125661A1 (en) * | 2021-12-31 | 2023-07-06 | 华为技术有限公司 | Communication method and apparatus based on telecommunication network |
-
2005
- 2005-10-21 CN CN 200580035840 patent/CN101084495A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104973A (en) * | 2019-06-18 | 2020-12-18 | 大众汽车股份公司 | Method for providing infotainment content |
| WO2023125661A1 (en) * | 2021-12-31 | 2023-07-06 | 华为技术有限公司 | Communication method and apparatus based on telecommunication network |
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