Title :
Pulse shaping for differential offset-QPSK
Author :
Lam, Andrew C C ; Elkhazin, Akrum ; Pasupathy, Subbarayan ; Plataniotis, Kostantinos N.
Author_Institution :
ATI Technol. Inc, Markham, Ont.
Abstract :
Pulse shaping is examined as a means to improve the performance of a differential offset quadrature phase-shift keying system in a bandwidth-constrained environment. Through optimization with respect to a composite Nyquist criterion, the derived pulse shapes have comparable performance to a pi/4-differential quadrature phase-shift keying in an additive white Gaussian noise (AWGN) channel and better performance in a hard-limited AWGN channel
Keywords :
AWGN channels; Nyquist criterion; pulse shaping; quadrature phase shift keying; additive white Gaussian noise channel; bandwidth-constrained environment; composite Nyquist criterion; differential offset-QPSK; hard-limited AWGN channel; pi/4-differential quadrature phase-shift keying; pulse shaping; quadrature phase-shift keying system; AWGN; Additive white noise; Decoding; Filters; Intersymbol interference; Phase shift keying; Pulse measurements; Pulse shaping methods; Shape; Transmitters; Differential offset quadrature phase-shift keying (DOQPSK); pulse shaping;
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOMM.2006.881349
