Pulse or digital communications – Systems using alternating or pulsating current
Reexamination Certificate
2006-07-04
2006-07-04
Fan, Chieh M. (Department: 2634)
Pulse or digital communications
Systems using alternating or pulsating current
C178S066100, C327S001000, C327S100000, C375S260000, C375S267000, C375S299000, C455S132000, C455S504000
Reexamination Certificate
active
07072409
ABSTRACT:
A radio communication system is comprised of: a transmitting system in which N transmission signals, frequency-converted to the same transmission frequency, are generated by N transmitters, N being an integer equal to or greater than 2, and the transmission signals are each applied to each one of N elements of an antenna for transmission; and a receiving system in which each transmitted signal is received by N-element antenna and the cross correlation coefficient between the transmitted signals received by the N-elements is minimized to thereby reconstruct each transmitted signal. The plural transmitted signals of the same frequency are received and the cross correlation coefficients of the received transmitted signals are minimized to thereby permit multiplexing of the transmission signal.
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Hirota Tetsuo
Nojima Toshio
Suzuki Yasunori
Fan Chieh M.
File Erin M.
NTT DoCoMo Inc.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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