Sciweavers

702 search results - page 32 / 141
» Covering Spheres with Spheres
Sort
View
ICC
2008
IEEE
125views Communications» more  ICC 2008»
15 years 6 months ago
Iteratively Detected Sphere Packing Modulated OFDM: An Exit Chart Perspective
- A novel iteratively detected Sphere Packing (SP) modulation aided Orthogonal Frequency Division Multiplexing (OFDM) scheme is proposed, which we refer to as the SPOFDM arrangemen...
Lei Xu, Mohammed El-Hajjar, Osamah Alamri, Sheng C...
WCNC
2008
IEEE
15 years 6 months ago
Three-Stage Serially Concatenated Codes and Iterative Center-Shifting K-Best Sphere Detection for SDM-OFDM: An EXIT Chart Aided
—Iterative K-best sphere detection (SD) and channel decoding is appealing, since it is capable of achieving a nearmaximum-a-posteriori (MAP) performance at a low complexity. Howe...
Li Wang, Lei Xu, Sheng Chen, Lajos Hanzo
IROS
2006
IEEE
107views Robotics» more  IROS 2006»
15 years 5 months ago
Image Mapping and Visual Attention on a Sensory Ego-Sphere
Abstract— The Sensory Ego-Sphere (SES) is a short-term memory for a robot in the form of an egocentric, tessellated, spherical, sensory-motor map of the robot’s locale. This pa...
Katherine Achim Fleming, Richard Alan Peters II, R...
SIGSOFT
2006
ACM
16 years 17 days ago
Local analysis of atomicity sphere for B2B collaboration
Atomicity is a desirable property for business processes to conduct transactions in Business-to-Business (B2B) collaboration. Although it is possible to reason about atomicity of ...
Chunyang Ye, S. C. Cheung, W. K. Chan, Chang Xu
WALCOM
2010
IEEE
232views Algorithms» more  WALCOM 2010»
15 years 6 months ago
Cutting a Convex Polyhedron Out of a Sphere
Syed Ishtiaque Ahmed, Masud Hasan, Md. Ariful Isla...