Optimum bit detection of quadrature amplitude modulation in self correlated Gaussian noise channel

Atif Bin Mansoor, Awais Mansoor, Syed Ismail Shah

Research output: Chapter in Book/Conference paperConference paper

Abstract

This paper discusses the optimum bit detection for coherent QAM (Quadrature Amplitude Modulation) in the presence of colored Gaussian noise. We employ Gray-mapping for constellations, and derive the log-likelihood ratio (LLR) for each bit forming the symbol. Using LLR, we derive the average bit error probability for individual bits. We further investigate the equalization methods under colored noise to facilitate optimum detection.

Original languageEnglish
Title of host publication2005 Pakistan Section Multitopic Conference, INMIC
DOIs
Publication statusPublished - 1 Dec 2005
Externally publishedYes
Event2005 Pakistan Section Multitopic Conference, INMIC - Karachi, Pakistan
Duration: 24 Dec 200525 Dec 2005

Conference

Conference2005 Pakistan Section Multitopic Conference, INMIC
Abbreviated titleINMIC 2005
CountryPakistan
CityKarachi
Period24/12/0525/12/05

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