System and method for orthogonally multiplexed signal transmission and reception
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United States of America Patent
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Apr 17, 2007
Grant Date -
Dec 18, 2003
app pub date -
Mar 27, 2003
filing date -
Mar 29, 2002
priority date (Note) -
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Abstract
A wireless communication network that implements Circular Simplex Turbo Block Coded Modulation ('CSTBCM') Forward Error Correction ('FEC'), randomization and Wavelet Packet Modulation ('WPM') is provided. The network includes a transmitter that uses an adaptive tree structure. The tree structure is pruned to avoid known signal impediments by first determining the best uniform level and then tuning in the forward direction and in the reverse direction. The network also includes a receiver that implements a maximum likelihood decision directed ('MLDD') synchronization scheme. The synchronization scheme is pulse shape independent and non-data aided.
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