Title :
Performance analysis of a MIMO-OFDM wireless link with STBC in the presence of fading and timing jitter
Author :
Islam, A.K.M.N. ; Majumder, S.P.
Author_Institution :
Dept of EECE, Mil. Inst. of Sci. & Technol. (MIST), Dhaka, Bangladesh
Abstract :
The performance of a wireless communication system is analyzed considering multi-carrier OFDM with Multiple- Input-Multiple-Output (MIMO) wireless channel and Space-Time Block Coding (STBC). Bit Error Rate (BER) expression for MIMO-OFDM system without and with STBC is presented considering fading and timing jitter with QPSK, DPSK and DQPSK modulation schemes. The performance results are evaluated without and with rate ¿ convolution coding with hard decision decoding. The results are presented in terms of BER, power penalty due to fading and coding gain due to error correction coding. It is noticed that there is significant power penalty due to fading and can be reduced by increasing the number of receiving antennas. Among the different modulation schemes QPSK is found to provide the best performance.
Keywords :
MIMO communication; OFDM modulation; block codes; convolutional codes; decoding; differential phase shift keying; error correction codes; error statistics; fading channels; quadrature phase shift keying; space-time codes; timing jitter; DPSK modulation; DQPSK modulation; QPSK modulation; STBC; bit error rate; convolution coding; error correction coding; fading; hard decision decoding; multicarrier OFDM; multiple input multiple output; power penalty; space-time block coding; timing jitter; wireless channel; wireless communication system; Bit error rate; Block codes; Differential quadrature phase shift keying; Fading; MIMO; OFDM; Performance analysis; Quadrature phase shift keying; Timing jitter; Wireless communication; Diversity; MIMO; OFDM; Rayleigh and Rician fading; STBC; Timing jitter;
Conference_Titel :
Computers and Information Technology, 2009. ICCIT '09. 12th International Conference on
Conference_Location :
Dhaka
Print_ISBN :
978-1-4244-6281-0
DOI :
10.1109/ICCIT.2009.5407156
