CONTENTION-BASED ACCESS TO TONES IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) WAVEFORM
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United States of America Patent
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app pub date -
Feb 9, 2007
filing date -
Feb 6, 1995
priority date (Note) -
Abandoned
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Abstract
A multiple access method for a remote unit of a multi-point to point communication system is provided. The method includes modulating one or more tones of an orthogonal frequency division multiplexing waveform with the upstream information based on an inverse Fourier transform algorithm, transmitting the one or more tones to a multi-point-to-point host unit, detecting a collision of the one or more tones, and when a collision is detected, re-transmitting the one or more tones.
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