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PIMRC
2008
IEEE
16 years 1 months ago
A key loss recovery scheme for secure broadcasts in wireless sensor networks
Abstract—Authenticity and secrecy of broadcast message content is important in wireless sensor networks deployed for battlefield control, emergency response, and natural resourc...
Syed Taha Ali, Vijay Sivaraman, Ashay Dhamdhere, D...
VTC
2008
IEEE
186views Communications» more  VTC 2008»
16 years 1 months ago
Downlink Limited Feedback Transmission Schemes for Asymmetric MIMO Channels
Abstract—In multiple-input multiple-output (MIMO) broadcast channels, multiuser diversity is exploited by scheduling data transmission to users with best channel conditions. To ...
Mohsen Eslami, Witold A. Krzymien
VTC
2008
IEEE
270views Communications» more  VTC 2008»
16 years 1 months ago
Interference Avoidance through Dynamic Downlink OFDMA Subchannel Allocation using Intercell Coordination
Abstract- OFDMA subchannel allocation has been wellstudied. However, most of the available literature considers a single cell system without cochannel interference. We present a no...
Mahmudur Rahman, Halim Yanikomeroglu
VTC
2008
IEEE
158views Communications» more  VTC 2008»
16 years 1 months ago
A Novel Load Balanced and Lifetime Maximization Routing Protocol in Wireless Sensor Networks
Abstract— Balancing energy consumption and prolonging network lifetime are open challenges in Wireless Sensor Networks. In this paper, we design a novel load balanced routing pro...
Chengjie Wu, Ruixi Yuan, Hongchao Zhou
ICC
2007
IEEE
120views Communications» more  ICC 2007»
16 years 1 months ago
Joint Power and Constellation Size Adaptation for Mobile Multicast Employing MQAM Over Wireless Fading Channels
Abstract— We propose a power and constellation-size adaptation scheme for the multicast system employing multilevel quadrature amplitude modulation (MQAM) with discrete constella...
Qinghe Du, Xi Zhang
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