Apparatus and Method for Transmit Power Control Frequency Selection in Wireless Networks
First Claim
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1. A method for use in a wireless endpoint, the method comprising:
- transmitting a signal on a channel;
determining if a signal is on an adjacent channel; and
if a signal is determined to be on an adjacent channel, adjusting a power level of the transmitted signal.
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Abstract
A wireless endpoint is a Wireless Regional Area Network (WRAN) endpoint, such as a base station (BS) or customer premise equipment (CPE). The WRAN endpoint performs channel sensing to determine which channels are available for use and begins transmission on an available channel. Upon detection of a TV broadcast on an adjacent channel, the WRAN endpoint adjusts a power level of its transmitted signal.
19 Citations
12 Claims
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1. A method for use in a wireless endpoint, the method comprising:
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transmitting a signal on a channel; determining if a signal is on an adjacent channel; and if a signal is determined to be on an adjacent channel, adjusting a power level of the transmitted signal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. Apparatus for use in a wireless endpoint, the apparatus comprising:
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a modulator for transmitting an orthogonal frequency division multiplexed (OFDM) based signal in a transmission channel; and a processor for controlling a power level of the modulator as a function of whether or not a signal is determined to be on a channel adjacent to the transmission channel. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification