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VTC
2006
IEEE
16 years 10 days ago
Using Unclaimed Sub-Carriers in Opportunistic OFDMA Systems
Abstract— In this paper, we consider the unclaimed subcarriers that no user feeds back in an opportunistic OFDMA system with a per sub-carrier power constraint. Unclaimed subcarr...
Patrick Svedman, Leonard J. Cimini Jr., Björn...
VTC
2006
IEEE
112views Communications» more  VTC 2006»
16 years 10 days ago
Interference Suppression Through Adaptive Subset Antenna Transmission in Interference Limited MIMO Wireless Environments
Abstract— We consider spatially multiplexed MIMO transmission in the presence of co-channel interference with subset transmit antenna selection. Several algorithms for antenna se...
Shreeram Sigdel, Witold A. Krzymien
CLEANDB
2006
ACM
185views Database» more  CLEANDB 2006»
16 years 9 days ago
In-network Outlier Cleaning for Data Collection in Sensor Networks
Outliers are very common in the environmental data monitored by a sensor network consisting of many inexpensive, low fidelity, and frequently failed sensors. The limited battery ...
Yongzhen Zhuang, Lei Chen 0002
DAC
2006
ACM
16 years 9 days ago
Clock buffer and wire sizing using sequential programming
This paper investigates methods for clock skew minimization using buffer and wire sizing. First, a technique that significantly improves solution quality and stability of sequent...
Matthew R. Guthaus, Dennis Sylvester, Richard B. B...
INTERSENSE
2006
ACM
16 years 9 days ago
Adaptive sink mobility in event-driven multi-hop wireless sensor networks
— Optimizing energy consumption in wireless sensor networks is of paramount importance. There is a recent trend to deal with this problem by introducing mobile elements (sensors ...
Zoltán Vincze, Dorottya Vass, Rolland Vida,...