System and method for achieving continuous connectivity to an access point or gateway in a wireless network following and on-demand routing protocol, and to perform smooth handoff of mobile terminals between fixed terminals in the network
Abstract
A system and method enables an ad-hoc communication network to maintain connectivity between intelligent access points and nodes. The method includes: broadcasting an access point advertisement from a sender node to wireless routers; deciding by the wireless routers whether to use the sender node as a next hop towards the intelligent access point based on routing criterion associated with the wireless routers and contents of the access point advertisement; transmitting a unicast route request from the wireless routers to the intelligent access point; transmitting a unicast route reply from the sender node to the wireless router in response to receiving the unicast route request; storing a route entry associated with the intelligent access point in the wireless router; and periodically broadcasting a hello message from the wireless router to the nodes identifying the route from the wireless router to the intelligent access point using the stored route entry.
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Projected expiry passed 13 January 2024, 2.7 years ago.
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Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| US2002133534A1 | Cites | United States of America | AX | Search report | 1-6 |
| US2002191573A1 | Cites | United States of America | X | Search report | 7-13 |
| VALKO A G: "CELLULAR IP: A NEW APPROACH TO INTERNET HOST MOBILITY", COMPUTER COMMUNICATION REVIEW, ACM, NEW YORK, NY, US, vol. 29, no. 1, January 1999 (1999-01-01), pages 50 - 65, XP000823873, ISSN: 0146-4833 | Non-patent | – | – | Search report | – |
| JIANG M-H ET AL: "An efficient multiple-path routing protocol for ad hoc networks", COMPUTER COMMUNICATIONS, ELSEVIER SCIENCE PUBLISHERS BV, AMSTERDAM, NL, vol. 25, no. 5, 15 March 2002 (2002-03-15), pages 478 - 484, XP004332672, ISSN: 0140-3664 | Non-patent | – | – | Search report | – |
67 members in 8 offices
Priority claims9
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| 439448P | United States of America | – | |
| 439455P | United States of America | – | |
| 43944903 | United States of America | P | |
| 43944803 | United States of America | P | |
| 43945503 | United States of America | P | |
| 476237P | United States of America | – | |
| 47623703 | United States of America | P | |
| 2004000648 | United States of America | W |
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| EP1632044A4 | European Patent Office (EPO) | A4 | |
| JP4505454B2 | Japan | B2 | |
| EP1584160B1 | European Patent Office (EPO) | B1 | |
| AT515856T | Austria | T | |
| ATE515856T1 | Austria | T1 | |
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| AT529962T | Austria | T | |
| ATE529962T1 | Austria | T1 | |
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| Title (correction)SYSTEM AND METHOD FOR ACHIEVING CONTINUOUS CONNECTIVITY TO AN ACCESS POINT OR GATEWAY IN A WIRELESS NETWORK FOLLOWING AND ON-DEMAND ROUTING PROTOCOLRTI1 | RTI1 | EP | |
| First examination report despatched17Q | 17Q | EP | |
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Numbers
- Publication
- 1584160
- Application
- 47017413
Titles3
- German
- SYSTEM UND VERFAHREN ZUR ERZIELUNG KONTINUIERLICHERKONNEKTIVITÄT MIT EINEM ZUGANGSPUNKT ODER GATEWAY IN EINEM DRAHTLOSENNETZWERK; FOLGEND UND BEDARFSGESTÜTZTES ROUTING-PROTOKOLL UND ZURDURCHFÜHRUNG EINES REIBUNGSLOSEN WEITERREICHENS MOBILER ENDGERÄTE ZWISCHENFESTEN ENDGERÄTEN IN DEM NETZWERK
- English
- SYSTEM AND METHOD FOR ACHIEVING CONTINUOUS CONNECTIVITY TO AN ACCESS POINT OR GATEWAY IN A WIRELESS NETWORK FOLLOWING AND ON-DEMAND ROUTING PROTOCOL, AND TO PERFORM SMOOTH HANDOFF OF MOBILE TERMINALS BETWEEN FIXED TERMINALS IN THE NETWORK
- French
- SYSTEME ET PROCEDE ASSURANT LA CONNECTIVITE EN CONTINU D' UN POINT D'ACCES OU UNE PASSERELLE DANS UN RESEAU SANS FIL SUITE A UN PROTOCOLE DE ROUTAGE SUR DEMANDE, ET ASSURANT LE TRANSFERT SANS INTERRUPTION DE TERMINAUX MOBILES ENTRE DES STATIONS FIXES DU RESEAU
Classification
- CPC, 13
- H04W48/08
- H04W24/00
- H04W40/22
- H04W40/24
- H04W40/246
- H04W40/248
- H04W40/28
- H04W40/30
- H04W40/36
- H04W84/18
- H04W88/04
- H04L69/329
- Y02D30/70
- IPC, 4
- H04L12 28
- H04L12 56
- H04L29 08
- H04B7 14
Designated states31
- Contracting states, 27
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Hungary
- Ireland
- Italy
- Liechtenstein
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Portugal
- Romania
- Sweden
and 3 moreShow fewer
- Slovenia
- Slovakia
- Türkiye
- Extension states, 4
- Albania
- Lithuania
- Latvia
- North Macedonia