Pulse or digital communications – Transmitters – Antinoise or distortion
Reexamination Certificate
2010-12-31
2011-11-01
Lugo, David (Department: 2611)
Pulse or digital communications
Transmitters
Antinoise or distortion
C375S260000
Reexamination Certificate
active
08050354
ABSTRACT:
Apparatus, and an associated method, for facilitating communication of a data block communicated in an OFDM-based, communication system. Side-information required to be transmitted by many PAPR reduction schemes in OFDM is carried and transmitted by sending orthogonal binary sequences superimposed on the OFDM data sequence carrying the information to be transmitted. In one embodiment, a selected scrambling sequence is multiplied with an input data block to yield a desired Peak-To-Average Power Ratio. An identification sequence one-to-one corresponding to the scrambling sequence is superimposed on the resultant sequence and transmitted together. In the receiving station, the identification sequence is determined through correlation operations. This also determines the scrambling sequence. The effects of both sequences are finally removed from the information-carrying data sequence.
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Lugo David
Research In Motion Limited
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