Pulse or digital communications – Transmitters – Antinoise or distortion
Reexamination Certificate
2008-02-04
2009-06-23
Vo, Don N (Department: 2611)
Pulse or digital communications
Transmitters
Antinoise or distortion
Reexamination Certificate
active
07551689
ABSTRACT:
A power management system and method for a wireless communication device generates an average desired transmit power signal based on at least one of a received signal strength indicator signal and a power control instruction signal from a base station. A power supply level adjustment signal is generated based on the data parameters of an outgoing data stream and at least one environmental information signal. A combination of the power supply level adjustment signal and the average desired transmit power or a gain control signal and an altered version of the power supply level adjustment signal is used to generate a variable power supply signal that is provided to an output amplifier block for sufficiently generating outgoing wireless device radio signals while reducing power loss in the output amplifier block.
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Chan Wen-Yen M.
Habicher Michael Franz
Jiao Qingzhong
Jin Xin
Khan Nasserullah
Bereskin & Parr LLP
Research In Motion Limited
Vo Don N
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