Method and system for power control with optimum power...

Details Method and system for power control with optimum power... Method and system for power control with optimum power...

2009-03-03

2011-12-27

Luu, An (Department: 2816)

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

C455S571000, C455S343100

Reexamination Certificate

active

08086192

ABSTRACT:
Methods and systems for power control with optimum power efficiency with a multi-port distributed antenna are disclosed and may include selectively enabling one or more power amplifiers (PAs) coupled to the antenna. The selective enabling may be based on a desired output power radiated from the antenna, and the PAs may be coupled to ports on the antenna based on an output impedance of the PAs and a characteristic impedance of the ports. Each of the PAs may be configured for maximum efficiency in different power ranges. The power ranges may be inversely proportional to the output impedance of the PAs. The output power may be monitored utilizing a power detector, such as an envelope detector, coupled to the antenna. The antenna may be integrated on a chip with the one or more PAs or may be located external to the chip. The antenna may include a microstrip antenna.

REFERENCES:
patent: 6314305 (2001-11-01), Solondz et al.

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