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ICC
2007
IEEE
147views Communications» more  ICC 2007»
16 years 7 days ago
A New Hybrid Space-Time Block Codes and Spatial Multiplexing Scheme with Precoding
— We present a new hybrid scheme which combines space-time block codes (STBC) and spatial multiplexing (SM) to achieve both diversity and spatial multiplexing gain. We design a n...
Jong-Kyu Kim, Heunchul Lee, Inkyu Lee
VTC
2006
IEEE
157views Communications» more  VTC 2006»
15 years 12 months ago
Adaptive Space-Time Sectorization for Interference Reduction in Smart Antenna Enhanced Cellular WiMAX Networks
— Adaptive antennas are currently being integrated into wireless systems. As one of the first standards the wireless metropolitan area network IEEE 802.16 provides means to suppo...
Christian Hoymann, Benedikt Wolz
SAC
2006
ACM
15 years 12 months ago
Making tuple spaces physical with RFID tags
In this paper, we describe the design and implementation of a tuple-based distributed memory realized with the use of RFID technology. The key idea – rooted in a more general sc...
Marco Mamei, Renzo Quaglieri, Franco Zambonelli
GRAPHITE
2004
ACM
15 years 11 months ago
Dual space drawing methods for cones
Ruled surface design and its applications are widely used in CAGD (Computer Aid Geometric Design) and industrial areas. In this paper, the cone is a particular ruled surface, whic...
Rena Ding, Yan Zhang
COSIT
2003
Springer
115views GIS» more  COSIT 2003»
15 years 11 months ago
Structuring a Wayfinder's Dynamic Space-Time Environment
To travel successfully in a dynamic space-time setting, wayfinders must project the impact of a changing environment onto future travel choices. When making decisions, however, peo...
Michael D. Hendricks, Max J. Egenhofer, Kathleen H...