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Multi-pulse frequency shifted (MPFS) multiple access modulation for ultra wideband

United States Patent

January 24, 2012
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
The multi-pulse frequency shifted technique uses mutually orthogonal short duration pulses o transmit and receive information in a UWB multiuser communication system. The multiuser system uses the same pulse shape with different frequencies for the reference and data for each user. Different users have a different pulse shape (mutually orthogonal to each other) and different transmit and reference frequencies. At the receiver, the reference pulse is frequency shifted to match the data pulse and a correlation scheme followed by a hard decision block detects the data.
Nekoogar; Faranak (San Ramon, CA), Dowla; Farid U. (Castro Valley, CA)
Lawrence Livermore National Security, LLC (Livermore, CA)
12/ 210,827
September 15, 2008
The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC.