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ICC
2007
IEEE
117views Communications» more  ICC 2007»
16 years 1 months ago
A Two-Dimensional Linear Pre-Transformed (2DLPT) MIMO-OFDM System
— We propose an open-loop two-dimensional linear pre-transformed (2DLPT) multiple-input multipleoutput (MIMO) orthogonal frequency division multiplexing (OFDM) system. The nT N ...
Sumei Sun, Yan Wu, Tjeng Thiang Tjhung
ICASSP
2008
IEEE
16 years 1 months ago
Kerdock codes for limited feedback MIMO systems
A codebook based limited feedback strategy is a practical way to obtain partial channel state information at the transmitter in a precoded multiple-input multiple-output (MIMO) wi...
Takao Inoue, Robert W. Heath Jr.
GEOINFO
2003
15 years 8 months ago
An Early Warning System for Space-Time Cluster Detection
A new topic of great relevance and concern has been the design of efficient early warning systems to detect as soon as possible the emergence of spatial clusters. In particular, m...
Renato M. Assunção, Andréa Ia...
HCI
2009
15 years 4 months ago
Identifying Proper Scales on Digital Maps for In-Vehicle Navigation Systems
Abstract. Current commercial mobile navigation systems often use a predetermined scale selection schema without considering differences in spatial complexity of locations. To ident...
Anna Wu, Xiaolong Zhang
SIGMOD
2008
ACM
222views Database» more  SIGMOD 2008»
16 years 7 months ago
Tinycasper: a privacy-preserving aggregate location monitoring system in wireless sensor networks
This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can monitor moving objects in wireless sensor networks while preservi...
Chi-Yin Chow, Mohamed F. Mokbel, Tian He