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VTC
2006
IEEE
166views Communications» more  VTC 2006»
14 years 1 months ago
TA-MAC: Task Aware MAC Protocol for Wireless Sensor Networks
Abstract— In wireless sensor networks (WSNs), reducing energy consumption of resource constrained sensor nodes is one of the most important issues. In this paper, we propose a ta...
Sangheon Pack, Jaeyoung Choi, Taekyoung Kwon, Yang...
ICC
2007
IEEE
170views Communications» more  ICC 2007»
14 years 1 months ago
A Post-Detection SNR-Aided Timing Recovery Loop for MIMO-OFDM Receivers
--- In this paper, a novel third-order Phase Lock Loop (PLL) is proposed for the timing recovery in MIMO-OFDM systems. It differentiates from conventional timing recovery algorithm...
Wenzhen Li, Masayuki Tomisawa
GLOBECOM
2008
IEEE
14 years 2 months ago
Performance Analysis of a Partially Coherent System Using Constellation Rotation and Coordinate Interleaving
Abstract— The performance analysis of a system employing coordinate interleaving and constellation rotation, over Nakagamim fading channels, in the presence of phase noise as wel...
Nauman F. Kiyani, Jos H. Weber
ICC
2007
IEEE
109views Communications» more  ICC 2007»
14 years 1 months ago
Joint Iterative Transmitter and Receiver Phase Noise Correction using Soft Information
— In this paper we discuss the effect of phase noise at both, transmitter and receiver in an OFDM system. We study an iterative equalization system at the receiver. The system is...
Steffen Bittner, Wolfgang Rave, Gerhard Fettweis
GLOBECOM
2007
IEEE
14 years 1 months ago
A Novel OFDMA Ranging Method Exploiting Multiuser Diversity
This paper addresses initial ranging (uplink synchronization and power control) for TDD OFDMA systems. Exploiting the channel knowledge from the downlink channel together with ini...
Jianqiang Zeng, Hlaing Minn