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» Using Channels for Multimedia Communication
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GLOBECOM
2009
IEEE
14 years 3 months ago
Gaussian MIMO Multi-Receiver Wiretap Channel
Abstract— We consider the Gaussian multiple-input multipleoutput (MIMO) multi-receiver wiretap channel, and derive the secrecy capacity region of this channel for the most genera...
Ersen Ekrem, Sennur Ulukus
GLOBECOM
2006
IEEE
14 years 3 months ago
A Novel Prior Knowledge Based ML Channel Estimator for Coherent IR-UWB Systems
Abstract— Channel estimation and synchronization are crucial problems in coherent Ultra wideband (UWB) systems. We develop a new channel estimation scheme that can further improv...
Lei Zhou, Shidong Zhou, Yan Yao
VTC
2008
IEEE
14 years 3 months ago
DS-CDMA MMSE Turbo Equalization Using 2-Step Maximum Likelihood Channel Estimation
—Frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion and frequencydomain inter-chip interference (ICI) cancellation can be incorporated in...
Yohei Kojima, Kazuaki Takeda, Fumiyuki Adachi
MOBIHOC
2012
ACM
11 years 11 months ago
Channel width assignment using relative backlog: extending back-pressure to physical layer
With recent advances in Software-defined Radios (SDRs), it has indeed became feasible to dynamically adapt the channel widths at smaller time scales. Even though the advantages o...
Parth H. Pathak, Sankalp Nimbhorkar, Rudra Dutta
INFOCOM
2009
IEEE
14 years 3 months ago
STUMP: Exploiting Position Diversity in the Staggered TDMA Underwater MAC Protocol
—In this paper, we propose the Staggered TDMA Underwater MAC Protocol (STUMP), a scheduled, collision free TDMA-based MAC protocol that leverages node position diversity and the ...
Kurtis B. Kredo II, Petar Djukic, Prasant Mohapatr...