An overview: Peak-to-average power ratio reduction techniques for OFDM signals

T Jiang, Y Wu - IEEE Transactions on broadcasting, 2008 - ieeexplore.ieee.org
One of the challenging issues for Orthogonal Frequency Division Multiplexing (OFDM)
system is its high Peak-to-Average Power Ratio (PAPR). In this paper, we review and …

Coherent detection in optical fiber systems

E Ip, APT Lau, DJF Barros, JM Kahn - Optics express, 2008 - opg.optica.org
The drive for higher performance in optical fiber systems has renewed interest in coherent
detection. We review detection methods, including noncoherent, differentially coherent, and …

Multicarrier communication over underwater acoustic channels with nonuniform Doppler shifts

B Li, S Zhou, M Stojanovic, L Freitag… - IEEE Journal of …, 2008 - ieeexplore.ieee.org
Underwater acoustic (UWA) channels are wideband in nature due to the small ratio of the
carrier frequency to the signal bandwidth, which introduces frequency-dependent Doppler …

Performance analysis of OFDM systems with adaptive sub carrier bandwidth

SS Das, E De Carvalho… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
Orthogonal frequency division multiplexing based wireless systems are spectrally efficient,
but they are vulnerable to inter-carrier interference (ICI). In a wide area scenario, users will …

On the use of hexagonal constellation for peak-to-average power ratio reduction of an ODFM signal

SH Han, JM Cioffi, JH Lee - IEEE Transactions on Wireless …, 2008 - ieeexplore.ieee.org
One of the main drawbacks of orthogonal frequency division multiplexing (OFDM) is the high
peak-to-average power ratio (PAPR) of the OFDM signal. In this paper, we propose the use …

An effective clipped companding scheme for PAPR reduction of OFDM signals

J Kim, Y Shin - 2008 IEEE International Conference on …, 2008 - ieeexplore.ieee.org
We propose a clipped companding scheme to effectively reduce PAPR (peak-to-average
power ratio) of OFDM (orthogonal frequency division multiplexing) signals. The proposed …

A pipelined implementation of OFDM transmission on reconfigurable platforms

A Sghaier, S Areibi, B Dony - 2008 Canadian Conference on …, 2008 - ieeexplore.ieee.org
The principles of orthogonal frequency division multiplexing (OFDM) modulation have been
around since 1960s. However, recently, the attention toward OFDM has grown dramatically …

Optimization of adaptively modulated optical OFDM modems for multimode fiber-based local area networks

XQ Jin, JM Tang, PS Spencer… - Journal of Optical …, 2008 - opg.optica.org
Focus Issue on Orthogonal-Frequency-Division Multiplexed Communications Systems and
Networks The impact of a wide range of different parameters of various components …

Wavelet-based semiblind channel estimation for ultrawideband OFDM systems

SMS Sadough, MM Ichir, P Duhamel… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
Ultrawideband (UWB) communications involve very sparse channels, because the
bandwidth increase results in a better time resolution. This property is used in this paper to …

Time difference of arrival estimation using super resolution algorithms to minimize distance measurement error for indoor positioning systems

TJS Khanzada, AR Ali, AS Omar - 2008 IEEE International …, 2008 - ieeexplore.ieee.org
This paper presents the utilization of super resolution algorithms for the indoor positioning
applications in order to estimate Time difference of Arrival (TDOA) and distances using …