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WIMOB
2008
IEEE
16 years 23 days ago
Precoder Designs for MIMO Broadcast Channels with Imperfect CSI
—In this paper, we propose two robust precoder designs for multiple-input multiple-output (MIMO) broadcast channels with imperfect channel state information (CSI). First, we cons...
P. Ubaidulla, Ananthanarayanan Chockalingam
CISS
2007
IEEE
16 years 22 days ago
Data Dissemination in Wireless Broadcast Channels: Network Coding or Cooperation
—Network coding and cooperative diversity have each extensively been explored in the literature as a means to substantially improve the performance of wireless networks. Yet, lit...
Ivana Stojanovic, Masoud Sharif, David Starobinski
VTC
2007
IEEE
100views Communications» more  VTC 2007»
16 years 20 days ago
Data-Centric Routing in Sensor Networks: Single-hop Broadcast or Multi-hop Unicast?
— Data dissemination strategies and communication protocols that minimize the use of energy can significantly prolong the lifetime of a sensor network. Data-centric disseminatio...
Xuan Zhong, R. Khosla, Gunjan Khanna, Saurabh Bagc...
OPODIS
2004
15 years 7 months ago
Secure Location Verification Using Radio Broadcast
Secure location verification is a recently stated problem that has a number of practical applications. The problem requires a wireless sensor network to confirm that a potentially...
Adnan Vora, Mikhail Nesterenko
CORR
2007
Springer
70views Education» more  CORR 2007»
15 years 6 months ago
Secure Broadcasting
Abstract—We study a problem of broadcasting confidential messages to multiple receivers under an information-theoretic secrecy constraint. Two scenarios are considered: 1) all r...
Ashish Khisti, Aslan Tchamkerten, Gregory W. Worne...