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CODES
2006
IEEE
14 years 1 months ago
A run-time, feedback-based energy estimation model For embedded devices
We present an adaptive, feedback-based, energy estimation model for battery-powered embedded devices such as sensor network gateways and hand-held computers. Our technique maps ha...
Selim Gurun, Chandra Krintz
GLOBECOM
2006
IEEE
14 years 1 months ago
Two Novel Iterative Joint Frequency-Offset and Channel Estimation Methods for OFDMA Uplink
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
Xiaoyu Fu, Hlaing Minn, Cyrus D. Cantrell
SSDBM
2006
IEEE
139views Database» more  SSDBM 2006»
14 years 1 months ago
Sampling Trajectory Streams with Spatiotemporal Criteria
Monitoring movement of high-dimensional points is essential for environmental databases, geospatial applications, and biodiversity informatics as it reveals crucial information ab...
Michalis Potamias, Kostas Patroumpas, Timos K. Sel...
VTC
2006
IEEE
142views Communications» more  VTC 2006»
14 years 1 months ago
Adaptive Bit-Interleaved Coded OFDM over Time-Varying Channels
When adapting the transmitter to the channel state information (CSI), improved transmission is possible compared to the open loop system where no CSI is provided at the transmitte...
Jin Soo Choi, Chang-Kyung Sung, Sung Hyun Moon, In...
VTC
2006
IEEE
14 years 1 months ago
The Effect of Computation and Feedback Delay on the Capacity of Multiuser MIMO Systems in a Small Outdoor Cell
— This paper examines how the capacity of three multiuser multiple-input multiple-output (MIMO) algorithms is affected by a delay in computing and feeding back the transmit (and ...
Matthew Webb, Mythri Hunukumbure, Mark A. Beach, A...