Coded reduced-bandwidth QAM with decision-feedback equalization

Author

Zhou, K. ; Proakis, J.G.

Author_Institution

Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA

fYear

1988

fDate

12-15 June 1988

Firstpage

380

Abstract

The authors study a coded reduced-bandwidth quadrature-amplitude-modulation (RB-QAM) system which combines some bandwidth-efficient coding techniques with the RB-QAM and provides further improvement in power efficiency without any bandwidth expansion. An interleaver/deinterleaver decision-feedback equalizer is used at the receiver to compensate for the intentionally introduced intersymbol interference. Theoretical analysis and simulation results indicate that a coding gain of several decibels over the uncoded RB-QAM can be achieved.<>

Keywords

amplitude modulation; decision theory; encoding; feedback; intersymbol interference; RB-QAM; bandwidth-efficient coding techniques; coded reduced-bandwidth quadrature-amplitude-modulation; coding gain; decision-feedback equalization; deinterleaver; interleaver; intersymbol interference; Analytical models; Bandwidth; Constellation diagram; Data communication; Decision feedback equalizers; Filters; Gain; Intersymbol interference; Narrowband; Quadrature amplitude modulation;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, 1988. ICC '88. Digital Technology - Spanning the Universe. Conference Record., IEEE International Conference on

Conference_Location

Philadelphia, PA, USA

Type

conf

DOI

10.1109/ICC.1988.13595

Filename

13595