METHOD AND SYSTEM OF ENHANCED PERFORMANCE IN COMMUNICATION SYSTEMS
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United States of America Patent
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Issued Date -
May 31, 2012
app pub date -
Feb 17, 2010
filing date -
Feb 18, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of spatial modulation to identify a transmitter within a transmission array, wherein the transmitter has a unique bit sequence and defines a spatial component indicative of relative location is disclosed, comprising the following steps: receiving transmitted bits from the transmission array and identifying the unique bit sequence, the spatial component and a signal components; encoding the unique bit sequence and the spatial component by grouping the transmitters into transmitter groups such that the transmitters in each group have a maximum spatial separation relative to one another to thereby form an encoded signal; decoding the encoded signal to identify the transmitter from which the transmitted bits were transmitted by determining the transmitter location from the or each group. The method preferably comprises trellis coded spatial modulation. Also, a corresponding system is disclosed, the system comprising an encoder for encoding the unique bit sequence and the spatial component identified and received from the transmission array, the encoding including grouping the transmitters into transmitter groups such that the transmitters in each group have a maximum spatial separation relative to one another to thereby form an encoded signal. The system preferably uses trellis coded spatial modulation.
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