Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2001-02-06
2010-02-16
Cho, Hong (Department: 2419)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S401000, C455S436000
Reexamination Certificate
active
07664073
ABSTRACT:
The present invention is a method for performing a mobile user terminal route update in a telecommunication network operated based on the Internet Protocol, the network comprising at least two network transceiver device gateways each communicating with at least one mobile user terminal, at least one routing element providing a route for a communication connection between a mobile first user terminal and a second user terminal, the second user terminal communicating via a border gateway and the at least one routing element with mobile first user terminal, and wherein each user terminal is identified by an Internet Protocol address, the method comprising the steps of detecting an occurrence of a handoff condition for the mobile first user terminal for a handoff from a first one to a second one of the at least two network transceiver device gateways, initiating a handoff procedure at the mobile first user terminal, the first and the second network transceiver device gateways and the border gateway, and the transmitting the respective Internet Protocol addresses that identify those terminals which are communicating with each other by the corresponding gateway to be associated to the respective terminal after handoff, before completion of the handoff procedure.
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Korja Pekka
Sipola Jussi
Tarvainen Tomi
Vesterinen Seppo
Cho Hong
Foley & Lardner LLP
Nokia Corporation
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