Optimized adjacent channel search and timeslot assignment...

Details Optimized adjacent channel search and timeslot assignment... Optimized adjacent channel search and timeslot assignment...

2005-10-25

2005-10-25

Ton, Dang (Department: 2666)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S352000, C370S437000, C370S442000, C455S509000, C455S517000

Reexamination Certificate

active

06958991

ABSTRACT:
A method and a system for transmission of data packets between base stations and mobile stations in a mobile radio system includes transmitting each of the data packets in time frames having a fixed number of timeslots, and a mobile station transmitting data packets in a plurality of successive timeslots. In the method and system, while the mobile station is connected to a present base station, a transmitting unit of the present base station transmitting control data packets or no data packets to the mobile station during predetermined time frames while the mobile station is connected to the given base station, and respectively making available to a receiving unit of the mobile station a time interval longer than a predetermined time frame for receiving synchronization data packets and/or measuring signal levels of adjacent base stations.

REFERENCES:
patent: 5177740 (1993-01-01), Toy et al.
patent: 5479410 (1995-12-01), Paavonen
patent: 5966378 (1999-10-01), Hamalainen
patent: 5987019 (1999-11-01), Raith et al.
patent: 5995515 (1999-11-01), Suzuki
patent: 6028853 (2000-02-01), Haartsen
Published International Application No. WO 96/01534 (Kohlschmidt), dated Jan. 18, 1996.
Published International Application No. WO 97/15156 (Raith et al.), dated Apr. 24, 1997.

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