Research Paper | Electronics & Communication Engineering | India | Volume 3 Issue 8, August 2014
PAPR Reduction in MIMO OFDM System Using ZCT Technique
Roshni Gulwani, Ekant Sharma
An Arrangement of using OFDM system with space time block coded - multiple input multiple output (STBC-MIMO) System provides excellent performance against Multi-path effects and frequency selective fading. However, one of the major drawback of MIMO-OFDM have high peak-to-average power ratio (PAPR) in order to the signals transmittted on different antennas. In this paper, we propose Zadoff-Chu matrix Transform (ZCT) technique to reduce the peak-to-average power ratio (PAPR) with precoding and postcoding Alamouti STBC MIMO-OFDM system. To reduce the high PAPR, BPSK modulation techniques is used for different values of N (64, 128, 256).Our proposed work shows that ZCT POSTCODED based STBC MIMO-OFDM SYSTEM has the lowest PAPR performance compared to ZCT PRECODED based STBC MIMO-OFDM SYSTEM. MATLAB simulation shows that the performance of the proposed algorithm significantly improves the PAPR reduction.
Keywords: MIMO, OFDM, PAPR, STBC, ZCT
Edition: Volume 3 Issue 8, August 2014
Pages: 717 - 720
How to Cite this Article?
Roshni Gulwani, Ekant Sharma, "PAPR Reduction in MIMO OFDM System Using ZCT Technique", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=2015440, Volume 3 Issue 8, August 2014, 717 - 720
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