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VTC
2006
IEEE
16 years 17 days ago
IQ Space Frequency Time Codes for MIMO-OFDM Systems
Abstract: In this paper, we study concatenated coding for MIMOOFDM systems. The proposed concatenated system achieves full spatial and frequency diversity at much lower complexity ...
Samir Al-Ghadhban, R. Michael Buehrer, Brian D. Wo...
VTC
2006
IEEE
154views Communications» more  VTC 2006»
16 years 17 days ago
OS-multicast: On-demand Situation-aware Multicasting in Disruption Tolerant Networks
—Disruption Tolerant Networks (DTNs) are emerging solutions to networks that experience frequent network partitions and large end-to-end delays. In this paper, we study how to pr...
Qing Ye, Liang Cheng, Mooi Choo Chuah, Brian D. Da...
WOWMOM
2006
ACM
149views Multimedia» more  WOWMOM 2006»
16 years 15 days ago
On-Demand Reliable Medium Access in Sensor Networks
A wireless sensor network typically consists of a dense deployment of sensor nodes to achieve higher resolution and better network coverage. A dense network also increases the fau...
Ratnabali Biswas, Vivek Jain, Chittabrata Ghosh, D...
HICSS
2005
IEEE
149views Biometrics» more  HICSS 2005»
16 years 5 days ago
A Systems Model for Knowledge Management: A Rhetorical Heuristic Process
An Integrative Mental Model of Knowledge Management can provide a way of visualizing the interrelated elements that comprise a knowledge management system. This original model, bu...
Charles E. Beck, Gary R. Schornack
ICALT
2005
IEEE
16 years 5 days ago
Building Software Agents to Assist Teaching in Distance Learning Environments
This paper reports on the implementation and realization of software agents as teaching assistants in the distance learning environment. The software agent we built is able to ext...
Sheung-On Choy, Sin Chun Ng, Yiu-Chung Tsang