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ICC
2007
IEEE
15 years 11 months ago
Spatially Coordinate-Interleaved Design for Mutually Cooperative Relay Scheme
– In this paper, we consider a novel spatial diversity scheme for a mutually cooperative relay (MCR) system in which two active users are simultaneously communicating with the sa...
Kyungmi Park, Hyun Seok Ryu, Heesoo Lee, Chung Gu ...
ICC
2007
IEEE
106views Communications» more  ICC 2007»
15 years 11 months ago
Differential Space-Frequency Modulation and 2D-Detection for MIMO-OFDM
Abstract— In this paper differential space–frequency modulation (DSFM) for transmission over multiple–input multiple– output channels using orthogonal frequency division mu...
Volker Pauli, Lutz H.-J. Lampe, Johannes Huber
ICC
2007
IEEE
15 years 11 months ago
Adaptive Channel Reuse in Cellular Systems
Abstract— In cellular systems a large reuse distance reduces cochannel interference while a small reuse distance increases bandwidth allocated to each cell. The optimal reuse dis...
Yifan Liang, Andrea J. Goldsmith
ICDM
2007
IEEE
132views Data Mining» more  ICDM 2007»
15 years 11 months ago
Learning What Makes a Society Tick
We present a machine learning methodology (models, algorithms, and experimental data) to discovering the agent dynamics that drive the evolution of the social groups in a communit...
Hung-Ching Chen, Mark K. Goldberg, Malik Magdon-Is...
ICIP
2007
IEEE
15 years 11 months ago
Lifting-Based Directional DCT-Like Transform for Image Coding
Traditional 2D DCT implemented by separable 1D transform in horizontal and vertical directions does not take image orientation features in a local window into account. To improve ...
Hao Xu, Jizheng Xu, Feng Wu