Title :
Performance evaluation of different Space Time Block Codes in MIMO systems over Rayleigh channel
Author :
Soumya, K. ; Nair, Nisha S. ; Sudha, T.
Author_Institution :
Dept. of Electron. & Commun., NSS Coll. of Eng., Palakkad, India
Abstract :
The main limitations of wireless transmission are fading and associated reduction in bit error rate. To mitigate these effects several techniques are employed. One method is to employ multiple input multiple output (MIMO) systems. This paper presents performance analysis and a comparative study of different Space Time Block Codes over Rayleigh fading channel of a MIMO system. MIMO systems employing different modulation schemes with different code rates and maximum likelihood detection techniques at the receiver end are explored. Zero mean complex Gaussian random variables are taken as noise samples. Performance of Space Time Block codes with modulation techniques QPSK, 8PSK and 16PSK are investigated in terms of bit error rate under different SNR scenarios.
Keywords :
Gaussian distribution; MIMO communication; Rayleigh channels; error statistics; quadrature phase shift keying; space-time block codes; 16PSK modulation technique; 8PSK modulation technique; MIMO Systems; QPSK modulation technique; Rayleigh fading channel; SNR scenarios; bit error rate reduction; code rates; maximum likelihood detection techniques; multiple input multiple output systems; noise samples; performance analysis; performance evaluation; space time block codes; wireless transmission limitations; zero mean complex Gaussian random variables; Bit error rate; Encoding; MIMO; Modulation; Receiving antennas; Transmitting antennas; Code Rate; MIMO; ML Detection; Space Time Block Codes; Spectrum Efficiency;
Conference_Titel :
Control Communication and Computing (ICCC), 2013 International Conference on
Conference_Location :
Thiruvananthapuram
Print_ISBN :
978-1-4799-0573-7
DOI :
10.1109/ICCC.2013.6731700
