US20030193910A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Context aware application level triggering mechanism for pre-authentication, service adaptation, pre-caching and handover in a heterogeneous network environment
Assignee: NTT Docomo Inc
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Filing: 2002-04-11
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Granted: —
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Expires: 2022-04-11
Abstract
Abstract A network selection system that includes a mobile terminal in communication with a first network, a second network in communication with the first network and an application layer triggering mechanism that determines which one of a plurality of triggers is required in a certain set of circumstances to provide a particular application.
Inventors
- 👤 Shahid Shoaib
- 👤 Fujio Watanabe
- 👤 Jingjun Cao
- 👤 Shoji Kurakake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:57
CPC Classifications
H; H04; H04W; H04W36/00; H04W36/24; H04W36/14
Claims Analysis
Total Claims: 46
Claim 1
Independent Claim
63 words
1 . A method of handing over from a first network to a second network, comprising: operating a mobile terminal via a first network; evaluating at least one criteria of either said first network or a second network; initiating a trigger that causes a handover from said first network to said second network so that said mobile terminal operates via said second network.
Claim 2
Dependent Claim
63 words
1 . A method of handing over from a first network to a second network, comprising: operating a mobile terminal via a first network; evaluating at least one criteria of either said first network or a second network; initiating a trigger that causes a handover from said first network to said second network so that said mobile terminal operates via said second network.
Claim 3
Dependent Claim
19 words
2 . The method of claim 1 , wherein said first network and said second network are each wireless.
Claim 4
Dependent Claim
25 words
3 . The method of claim 1 , wherein said at least one criteria comprises a state of an application employed by said mobile carrier.
Claim 5
Dependent Claim
30 words
4 . The method of claim 1 , wherein said at least one criteria comprises a location of said mobile carrier relative to said first network and said second network.
Claim 6
Dependent Claim
31 words
5 . The method of claim 1 , wherein said at least one criteria comprises cost of operation of said mobile carrier within either said first network or said second network.
Claim 7
Dependent Claim
27 words
6 . The method of claim 1 , wherein said at least one criteria comprises quality of service of either said first network or said second network.
Claim 8
Dependent Claim
26 words
7 . The method of claim 1 , wherein said at least one criteria comprises a condition of either said first network or said second network.
Claim 9
Dependent Claim
33 words
8 . The method of claim 1 , wherein said at least one criteria comprises a preference of a user of said mobile carrier of either said first network or said second network.
Claim 10
Dependent Claim
24 words
9 . The method of claim 1 , wherein said at least one criteria comprises a local signal level received by said mobile carrier.
Claim 11
Dependent Claim
25 words
10 . The method of claim 1 , wherein said at least one criteria comprises battery consumption by said mobile carrier when using an application.
Claim 12
Dependent Claim
33 words
11 . The method of claim 1 , wherein said at least one criteria comprises a user indicating a preference for either said first network or said second network via said mobile carrier.
Claim 13
Dependent Claim
20 words
12 . The method of claim 11 , wherein said at least one criteria does not include cost of handover.
Claim 14
Dependent Claim
15 words
13 . The method of claim 1 , wherein said trigger comprises a pre-authentication request.
Claim 15
Dependent Claim
16 words
14 . The method of claim 1 , wherein said trigger comprises a service adaptation request.
Claim 16
Dependent Claim
15 words
15 . The method of claim 1 , wherein said trigger comprises a precaching request.
Claim 17
Dependent Claim
16 words
16 . The method of claim 1 , wherein said trigger comprises a handoff initiation request.
Claim 18
Dependent Claim
19 words
17 . The method of claim 1 , wherein said at least one criteria comprises two or more criteria.
Claim 19
Dependent Claim
36 words
18 . The method of claim 17 , further comprising forming a composite decision based on said evaluating of said two or more criteria, and wherein said initiating said trigger is based on said composite decision.
Claim 20
Dependent Claim
37 words
19 . The method of claim 18 , wherein said two or more criteria comprise cost of handover criteria and handoff ping-pong effects that may occur upon handing off from said first network to said second network.
Claim 21
Dependent Claim
23 words
20 . The method of claim 18 , wherein said composite decision is based in part on current access network signal level information.
Claim 22
Dependent Claim
17 words
21 . The method of claim 18 , wherein said initiating is based on said composite decision.
Claim 23
Dependent Claim
22 words
22 . The method of claim 3 , wherein said vertical handover between interaccess technology is initiated if said application is running.
Claim 24
Dependent Claim
21 words
23 . The method of claim 1 , wherein said initiating said trigger is based on access network location map information.
Claim 25
Dependent Claim
29 words
24 . The method of claim 1 , wherein said trigger comprises a request and if a target access network signal level is satisfied, then said request is initiated.
Claim 26
Dependent Claim
23 words
25 . The method of claim 1 , further comprising providing a user's authentication information to said second network before said initiating occurs.
Claim 27
Dependent Claim
17 words
26 . The method of claim 23 , further comprising correcting said access network location map information.
Claim 28
Dependent Claim
14 words
27 . The method of claim 26 , further comprising correcting network context information.
Claim 29
Dependent Claim
20 words
28 . The method of claim 1 , further comprising caching current application content and data before said initiating occurs.
Claim 30
Dependent Claim
52 words
29 . A network selection system comprising: a mobile terminal in communication with a first network; a second network in communication with said first network; an application layer triggering mechanism that determines which one of a plurality of triggers is required in a certain set of circumstances to trigger a particular application.
Claim 31
Dependent Claim
52 words
29 . A network selection system comprising: a mobile terminal in communication with a first network; a second network in communication with said first network; an application layer triggering mechanism that determines which one of a plurality of triggers is required in a certain set of circumstances to trigger a particular application.
Claim 32
Dependent Claim
52 words
30 . The network selection system of claim 29 , further comprising: an internet network that is in communication with said first network and said second network; a service operator in communication with said internet network, said service operator comprises: a pre-authentication arrangement controller; a cache server; and a pre-authentication arrangement controller.
Claim 33
Dependent Claim
38 words
31 . The network selection system of claim 30 , wherein said pre-authentication arrangement controller arranges for authentication with said first and second networks and content service providers before said mobile terminal establishes connection with said second network.
Claim 34
Dependent Claim
37 words
32 . The network selection system of claim 30 , wherein said cache server caches current application content/data before handoff to said second network occurs in order to have seamless communications and maintain the quality of service.
Claim 35
Dependent Claim
25 words
33 . The network selection system of claim 30 , wherein said external database server stores access network location map information and network context information.
Claim 36
Dependent Claim
36 words
34 . The network selection system of claim 29 , wherein said mobile device comprises a trigger module component that checks triggering criteria and comprises an application detection component that detects an application that is running.
Claim 37
Dependent Claim
37 words
35 . The network selection system of claim 34 , wherein said application detection component comprises: an operating system process table; an application port number; an IP type of service field; and an explicit notification by application.
Claim 38
Dependent Claim
43 words
36 . The network selection system of claim 34 , wherein said trigger module component further comprises: a context external information database; a context local/internal information database; and a current access network signal level that measures a current active access network signal level.
Claim 39
Dependent Claim
39 words
37 . The network selection system of claim 36 , wherein said context external information database consists of information selected from the group consisting of user context, network cost, application cost, access network location map or access network QoS.
Claim 40
Dependent Claim
39 words
38 . The network selection system of claim 36 , wherein said context local/internal information database consists of information selected from the group consisting of application battery consumption check, user context 422 , application cost or application QoS requirement.
Claim 41
Dependent Claim
32 words
39 . The network selection system of claim 29 , wherein said plurality of triggers comprises a pre-authentication trigger signal that triggers pre-authentication initiation of said mobile terminal with said second network.
Claim 42
Dependent Claim
42 words
40 . The network selection system of claim 29 , wherein said plurality of triggers comprises a service adaptability trigger signal that signals an application that it can perform any necessary adaptation in anticipation of an impending handover to said second network.
Claim 43
Dependent Claim
43 words
41 . The network selection system of claim 29 , wherein said plurality of triggers comprises a pre-caching trigger signal that sends a trigger signal to a cache management system in order to pre-cache content at a cache server nearest said second network.
Claim 44
Dependent Claim
29 words
42 . The network selection system of claim 29 , wherein said plurality of triggers comprises a handover trigger signal that initiates a handover process with said second network.
Claim 45
Dependent Claim
18 words
43 . The network selection system of claim 29 , wherein said mobile terminal comprises a cell phone.
Claim 46
Dependent Claim
19 words
44 . The network selection system of claim 29 , wherein said mobile terminal comprises a lap top computer.
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