Sciweavers

VTC
2006
IEEE
125views Communications» more  VTC 2006»
14 years 5 months ago
A Carrier Interferometry based Channel Estimation Technique for One-Cell Reuse MIMO-OFDM/TDMA Cellular Systems
Abstract— This paper propose a channel estimation technique for multiple-input multiple-output (MIMO) - orthogonal frequency division multiplexing (OFDM) / time division multiple...
Kazunari Yokomakura, Seiichi Sampei, Hiroshi Harad...
GLOBECOM
2006
IEEE
14 years 5 months ago
Noise Model Analysis of Optimized Mixed-Radix Structures for Pulsed OFDM
Pulsed OFDM (P-OFDM) is a proposed enhancement to Multi-Band Orthogonal Frequency Division Multiplexing which reduces the power and complexity of Ultra Wideband transceivers witho...
Kai-Chuan Chang, Gerald E. Sobelman
GLOBECOM
2006
IEEE
14 years 5 months ago
Optimal Resource Allocation via Geometric Programming for OFDM Broadcast and Multiple Access Channels
Abstract— For multi-user orthogonal frequency division multiplexing (OFDM) systems, efficient optimal rate and power allocation algorithms are presented via geometric programmin...
Kibeom Seong, David D. Yu, Youngjae Kim, John M. C...
VTC
2007
IEEE
14 years 5 months ago
Groundplane Dependent Performance of Printed Antenna for MB-OFDM-UWB
— A printed ultra wideband (UWB) antenna suitable for multiband orthogonal frequency division multiplexing (MBOFDM) UWB is presented in this paper. The proposed antenna
Sergio Curto, Matthias John 0002, M. J. Ammann
VTC
2007
IEEE
184views Communications» more  VTC 2007»
14 years 5 months ago
Adaptive Spread Spectrum Multicarrier Multiple-Access for UWB Systems
—Ultra-wideband (UWB) has emerged as an exciting technology for short range, high data rate wireless personal area networks (WPAN) applications. The multiband orthogonal frequenc...
Antoine Stephan, Jean-Yves Baudais, Jean-Fran&cced...
VTC
2007
IEEE
192views Communications» more  VTC 2007»
14 years 5 months ago
Exact BER Analysis of OFDM Systems Communicating over Frequency-Selective Fading Channels Subjected to Carrier Frequency Offset
— Orthogonal Frequency Division Multiplexing (OFDM) has been employed in numerous wireless standards. However, the performance of OFDM systems is degraded by both the Carrier Fre...
Xiang Liu, Lajos Hanzo
VTC
2007
IEEE
116views Communications» more  VTC 2007»
14 years 5 months ago
On the Use of Implicit Pilots for Channel Estimation with OFDM Modulations
Abstract - A coherent detection of OFDM signals (Orthogonal Frequency Division Multiplexing) allows good performances in severely time-dispersive channels. However, coherent receiv...
Rui Dinis, Nuno Souto, João Carlos Silva, A...
ICC
2007
IEEE
105views Communications» more  ICC 2007»
14 years 5 months ago
Phase Noise Suppression for OFDM Systems Over Fast Time-Varying Channels
— This paper derives a phase-noise suppression scheme for orthogonal frequency division multiplexing (OFDM) systems. This scheme is a maximum likelihood approach that exploits th...
O. Can Ozdural, Huaping Liu
ICC
2007
IEEE
112views Communications» more  ICC 2007»
14 years 5 months ago
Error Probability of OFDM Systems Impaired by Carrier Frequency Offset in Frequency Selective Rayleigh Fading Channels
— Orthogonal Frequency Division Multiplexing (OFDM) is sensitive to Carrier Frequency Offset (CFO), which destroys the orthogonality and causes Inter-Carrier Interference (ICI). ...
Peng Zhou, Ming Jiang, Chunming Zhao, Wei Xu
ICC
2007
IEEE
147views Communications» more  ICC 2007»
14 years 5 months ago
MIMO OFDM Frequency Offset Estimator with Low Computational Complexity
— This paper addresses a low complexity frequency offset estimator for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems over freque...
Yanxiang Jiang, Xiaohu You, Xiqi Gao, Hlaing Minn