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INFOCOM
2007
IEEE
15 years 10 months ago
Low-Power Distributed Event Detection in Wireless Sensor Networks
Abstract—In this paper we address the problem of energyefficient event detection in wireless sensor networks (WSNs). Duty cycling is a fundamental approach to conserving energy i...
Yanmin Zhu, Yunhao Liu, Lionel M. Ni, Z. Zhang
145
Voted
ISCAS
2007
IEEE
178views Hardware» more  ISCAS 2007»
15 years 10 months ago
On the Joint Compensation of IQ Imbalances and Phase Noise in MIMO-OFDM Systems
Abstract— OFDM systems are susceptible to receiver impairments such as IQ imbalance and phase noise. These impairments can severely degrade the achievable effective signalto-nois...
Qiyue Zou, Alireza Tarighat, Ali H. Sayed
SASO
2007
IEEE
15 years 10 months ago
Self-organizing Replica Placement - A Case Study on Emergence
The concept of self-organization is rapidly gaining importance in the area of distributed computing systems. However, we still lack the necessary means for engineering such system...
Klaus Herrmann
VTC
2007
IEEE
116views Communications» more  VTC 2007»
15 years 10 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...
ACAL
2007
Springer
15 years 10 months ago
An Integrated QAP-Based Approach to Visualize Patterns of Gene Expression Similarity
Abstract. This paper illustrates how the Quadratic Assignment Problem (QAP) is used as a mathematical model that helps to produce a visualization of microarray data, based on the r...
Mario Inostroza-Ponta, Alexandre Mendes, Regina Be...