Radio communication system and method of operating the system

Details Radio communication system and method of operating the system Radio communication system and method of operating the system

2007-01-16

2007-01-16

Vu, Huy D. (Department: 2616)

Multiplex communications

Communication over free space

Repeater

C370S320000, C370S342000

Reexamination Certificate

active

09825276

ABSTRACT:
A radio communication system comprises a primary station (100) for transmitting information signals on a downlink channel (122) and for receiving signals from one or more secondary stations (110) on an uplink random access packet channel (RACH) (124), the downlink and uplink channels being independent of each other. Power control is applied to the transmitted downlink signals by at least one of the secondary stations transmitting indicia indicating the prevailing radio channel characteristics of the uplink channel, the indicia being used by the primary station to apply power control to the downlink signals.If the uplink signals are CDMA signals the indicia may comprise a timing offset which has a value related to the quantity to be signalled.

REFERENCES:
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patent: 6249515 (2001-06-01), Kim et al.
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patent: 2005/0239491 (2005-10-01), Feder et al.
patent: 19843982 (2000-04-01), None
patent: 0913957 (1999-05-01), None
patent: WO0008706 (2000-02-01), None

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