Orthogonal frequency division multiplexing based DS-SS Barker code for resistance to AWGN and multipath

Abdel-Rahman Al-Qawasmi; Aiman Al-Lawama

doi:10.1117/12.871861

15 September 2010 Orthogonal frequency division multiplexing based DS-SS Barker code for resistance to AWGN and multipath

Abdel-Rahman Al-Qawasmi, Aiman Al-Lawama

Author Affiliations +

Proceedings Volume 7745, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2010; 77451O (2010) https://doi.org/10.1117/12.871861
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2010, 2010, Wilga, Poland

Abstract

In this work we compare an orthogonal frequency division multiplexing (OFDM) single user through multi carrier system with Direct Sequence Spread Spectrum (DS- SS) in the presence of multipath fading and AWGN. A closed-form of mathematical expressions for both receivers is derived to calculate the symbol error probability. The OFDM system simulator is an IEEE 802.15.3a proposal, dated 15 September 2003 (Doc: IEEE P802.15-03/268r1). Conventional matched filter (MF) is proposed in DS-SS system. UWB - Multiband OFDM has an acceptable BER performance, but in a multipath noisy channel the bit error rate is very high. This Paper presents the Barker code as a coding technique to increase the BER performance depending on the auto and cross correlation detections.

Citation Download Citation

Abdel-Rahman Al-Qawasmi and Aiman Al-Lawama "Orthogonal frequency division multiplexing based DS-SS Barker code for resistance to AWGN and multipath", Proc. SPIE 7745, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2010, 77451O (15 September 2010); https://doi.org/10.1117/12.871861

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