Title :
Performance analysis of odd bit QAM constellation
Author :
Naeem, Muhammad ; Shah, Syed Ismail ; Jamal, Habibullah
Author_Institution :
Taxila Univ. of Eng. & Technol.
Abstract :
Quadrature amplitude modulation (QAM) is used for transmission at high data rate in band-limited channels. A great deal of attention has been devoted to derive expressions for bit error probability of QAM. In this paper, a generalized expression for bit error rate (BER) for odd bit QAM using symmetry properties of Gray code is derived and its performance is compared with existing closed form expression for arbitrary QAM constellation. New BER expression offers a convenient way to evaluate the performance of odd bit QAM for various cases of practical interest
Keywords :
Gray codes; data communication; error statistics; quadrature amplitude modulation; Gray code; band-limited channels; bit error probability; data rate transmission; odd bit QAM constellation; performance analysis; quadrature amplitude modulation; Bandwidth; Bit error rate; Data engineering; Error probability; Genetic expression; Performance analysis; Quadrature amplitude modulation; Reflective binary codes; Signal to noise ratio; Tin;
Conference_Titel :
Emerging Technologies, 2005. Proceedings of the IEEE Symposium on
Conference_Location :
Islamabad
Print_ISBN :
0-7803-9247-7
DOI :
10.1109/ICET.2005.1558876
