OFDM and its Major Concerns: A Study with Way Out

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Abstract
Orthogonal Frequency Division Multiplexing (OFDM) has been adopted as a major data transmission technique by many wireless communication standards. Despite its several advantageous features, there are some major issues which should be resolved for getting its full advantages. This paper reviews these concerns of OFDM system in detail and present different available solutions of these problems. This paper gives a great insight of major problems like high peak-to-average power ratio (PAPR) problem, synchronization (time and frequency) problems. This paper also highlights the methods of inter-carrier interference (ICI) reduction available in literature.

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