Hyper phase shift keying modulation

Details Hyper phase shift keying modulation Hyper phase shift keying modulation

2009-01-08

2011-11-22

Ahn, Sam K (Department: 2611)

Pulse or digital communications

Transmitters

Angle modulation

Reexamination Certificate

active

08064541

ABSTRACT:
A communications system and method for transmitting digital information includes arranging a modulator to have an input bit stream of binary data and arranging a signal generator to generate four orthonormal hyper phase shift keying (HPSK) basis functions that are periodic functions with a duration T. A bit to symbol mapper is arranged to combine the bit stream and the HPSK basis functions to form a succession of 4-bit HPSK symbols for 16-HPSK, 5-bit HPSK symbols for 32-HPSK or 6-bit HPSK symbols for 64-HPSK, and a transmitter is arranged to transmit signals indicative of the HPSK symbols. A receiver is arranged to receive the signals from the transmitter and the HPSK symbols are demodulated with the HPSK basis functions to reproduce the bit stream of binary data.

REFERENCES:
Caldwell, J.; Tummala, M.; , “Hyper Phase Shift Keying (HPSK) Modulation,” Signals, Systems and Computers, 2007, ACSSC 2007. Conference Record of the Forty-First Asilomar Conference on, pp. 1000-1004, Nov. 4-7, 2007. [retrieved on Aug. 10, 2010 ]. Retrieved from the Internet: <URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4487371&isnumber=4487143>.
Caldwell, J.; Robertson, C.; , “Long Block Length Reed Solomon Coded M-ary Hyper Phase-shift Keying,” Signals, Systems and Computers, 2008 42nd Asilomar Conference on, pp. 413-417, Oct. 26-29, 2008. [retrieved on Aug. 8, 2010]. Retrieved from the Internet: <URL: http:ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5074437&isnumber=5074342>.
Caldwell, J.; Robertson, C.; , “Reed Solomon Coded M-ary Hyper Phase-Shift Keying,” Military Communications Conference, 2008. MILCOM 2008. IEEE, pp. 1-6, Nov. 16-19, 2008. [retrieved on Aug. 9, 2010]. Retrieved from the Internet: <URL: http://ieeexplore.ieee.org/stamp/stampjsp?tp=&arnumber=4753300&isnumber=4753027>.

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