Forward link transmit power control based on observed...

Details Forward link transmit power control based on observed... Forward link transmit power control based on observed...

2008-03-18

2008-03-18

Nguyen, Tu (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

With control signal

C455S522000, C370S332000

Reexamination Certificate

active

10768560

ABSTRACT:
A method and apparatus to provide a deterministic power control mechanism for the transmission of mobile station power control commands based on transmitting non-power control commands for which mobile stations exhibit deterministic, observable responses at related transmit powers, e.g., at the same power. For example, a wireless network base station may adjust the target used for sending power control commands to a given mobile station by observing whether that mobile station correctly responds to rate control or retransmit control commands sent at the same transmit power. The mobile station's response (or non-response) to such non-power control commands is readily observable and can be taken as an indication of whether the power target is sufficient for current radio conditions. Although not so limited, this approach may be particularly beneficial where non-power control commands are sent along with the power commands on a sub-channel of a common power control channel.

REFERENCES:
patent: 2001/0012785 (2001-08-01), Esteves et al.
patent: 2002/0111183 (2002-08-01), Lundby
patent: 2003/0054773 (2003-03-01), Vanghi
patent: 2004/0023699 (2004-02-01), Zhou et al.
patent: WO 02/23764 (2002-03-01), None

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