Method for operating a mobile radio network

Details Method for operating a mobile radio network Method for operating a mobile radio network

2000-10-25

2008-11-18

Harper, Kevin C (Department: 2616)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S350000, C370S503000, C455S436000

Reexamination Certificate

active

07453838

ABSTRACT:
A method of operating a mobile wireless network is provided, in which, when there is a relocation, the connection may be continued essentially directly from the latest state before the relocation. User data is transmitted between a mobile station and a first base station, the user data being combined into data units, for example, packet data units, before being transmitted. For transmission of data units, transmission-specific information describing an instantaneous state of the transmission is stored in the mobile station, as well as in a first network unit at a higher level than the first base station. With the relocation of the mobile station from the first base station to a second base station having a second higher-level network unit, the transmission-specific information stored in the first higher-level network unit is transmitted to the second higher-level network unit to continue the transmission after the relocation essentially directly from its latest state.

REFERENCES:
patent: 6246878 (2001-06-01), Wallentin
patent: 6590905 (2003-07-01), Suumaki et al.
patent: 2001/0019957 (2001-09-01), Kusaki et al.
patent: 199 44 334 (2000-12-01), None
patent: 99 225578 (1999-05-01), None
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3rdGeneration Partnership Project; Technical Specification Group Radio Access Network; Packet Data Convergence Protocol (PDCP) Specification (Release 1999).
IETF, RFC 1144, Feb. 1990.
IETF, RFC 2507, Feb. 1999.

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