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Interference study and challenges in MIMO multiband OFDM for cognitive UWB system

Ahmad, Norulhusna and A. Rashid, Rozeha and Fisal, Norsheila and Syed Yusof, Sh. Kamilah (2008) Interference study and challenges in MIMO multiband OFDM for cognitive UWB system. In: 6th Student Conference on Research and Development (SCOReD 2008), 2008, UTM, Skudai Johor.

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Abstract

Cognitive-ultra wideband (CUWB) offer remarkable enhancements from both system in terms of spectrum utilization and high data rates transmission. As the SNR per dimension in UWB systems is typically very low, MB-OFDM UWB in MIMO technology with channel cognition at both ends of the link can achieve extremely large improvements in the information rate. In this paper, our objectives are to present research challenges on UWB and cognitive radio (CR) based on MB-OFDM system. Specifically, we discuss the challenges in physical layer and MIMO-MB-OFDM. Later, we proposed multidimensional turbo product coding (MDTPC) that could be applied in MIMO-MB- OFDM for CUWB. The MDTPC of MB-OFDM UWB is believed to be able to provide an adaptive system that has the ability of channel awareness in cognitive radio environment with efficient spectrum utilization, lower BER and increases the system throughput.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:MB-OFDM, cognitive radio, UWB, MIMO, turbo product coding
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:16869
Deposited By: Liza Porijo
Deposited On:31 Oct 2011 07:27
Last Modified:31 Oct 2011 07:27

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