High Impact Factor : 4.396 icon | Submit Manuscript Online icon |

A Review comparison of different QAM in OFDM system

Author(s):

REKHA SHARMA , Galaxy global group of institution; Ankita Mittal, Galaxy global group of institution

Keywords:

OFDM, QAM, BER, OADM, Fast Fourier Transform

Abstract

To research is done on OFDM using different modulation. In this review paper we study the different level of QAM in OFDM system. In the paper (QAM4), QAM16, QAM64, QAM256 level of QAM I studied. The constellation diagram of different QAM is shown in this paper. From this constellation diagram we can estimate that lower level of QAM having low BER and higher level of QAM having higher level of BER.

Other Details

Paper ID: IJSRDV2I5395
Published in: Volume : 2, Issue : 5
Publication Date: 01/08/2014
Page(s): 744-746

Article Preview

Download Article