Uplink power control

Details Uplink power control Uplink power control

2005-02-01

2005-02-01

Corsaro, Nick (Department: 2684)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S516000, C455S437000, C370S318000, C370S320000

Reexamination Certificate

active

06850771

ABSTRACT:
Uplink power control is provided to maintain the integrity of the uplink HS-DPCCH when the UE goes into SHO. The target pilot SNR threshold is controlled by considering the pilot signal strength of the serving Node-B and/or the uplink channel condition of the serving Node-B when deciding to increase or decrease the target pilot SNR threshold of Nodes-B.

REFERENCES:
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patent: 20030050084 (2003-03-01), Damnjanovic et al.
patent: 20030210668 (2003-11-01), Malladi et al.
patent: 1067706 (2001-01-01), None
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patent: 1248388 (2002-10-01), None
patent: WO 0111800 (2001-02-01), None
patent: WO 0195521 (2001-12-01), None
patent: WO 02080400 (2002-10-01), None
Blaise et al, “Power control algorithms for soft handoff users in UMTS”, Motorola Labs, CRM Paris. Jun. 27, 2002.*
NEC and Telecom Modus, “A method utilizing DL reference power to avoid power drifting”, Sophia Antipolis, France, Sep. 20, 1999.*
Sony Corporation, “Reduction of DL channel quality feedback rate for HSDPA”, Las Vegas, NV, Feb. 27, 2001.

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