Title :
Noncoherent equalization of GMSK using complex receiver structures
Author :
Benvenuto, Nevio ; Bisaglia, P. ; Jones, A.E.
Author_Institution :
Dipartimento di Elettronica e Inf., Padova Univ., Italy
Abstract :
In this letter, the performance of the HIPERLAN system in an indoor multipath fading channel is considered. Due to the high carrier frequency and high data rate, a simple noncoherent demodulator followed by a nonlinear equalizer, which includes a RAM and a Viterbi decoder, is proposed to cope with intersymbol interference. The novelty of the proposed equalizer is that a complex noncoherent signal is used. Although the complexity of the receiver is doubled, performance is greatly improved with respect to real receivers.
Keywords :
Viterbi decoding; demodulation; equalisers; fading channels; indoor radio; intersymbol interference; minimum shift keying; multipath channels; radio receivers; wireless LAN; GMSK; HIPERLAN; RAM; Viterbi decoder; complex noncoherent signal; complex receiver structures; high carrier frequency; high data rate; indoor multipath fading channel; intersymbol interference; noncoherent demodulator; noncoherent equalization; nonlinear equalizer; Band pass filters; Decoding; Delay; Demodulation; Equalizers; Fading; Frequency; Intersymbol interference; Read-write memory; Viterbi algorithm;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/4234.730375
