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» On the Tightness of the Buhrman-Cleve-Wigderson Simulation
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TCOM
2010
114views more  TCOM 2010»
13 years 2 months ago
Achieving near-capacity performance on multiple-antenna channels with a simple concatenation scheme
This paper proposes a capacity-approaching, yet simple scheme for multi-input multiple-output (MIMO) channels. The proposed scheme is based on a concatenation of a mixture of short...
Nghi H. Tran, Tho Le-Ngoc, Tad Matsumoto, Ha H. Ng...
TWC
2010
13 years 2 months ago
Cooperative Decode-and-Forward ARQ Relaying: Performance Analysis and Power Optimization
Abstract--In this paper we develop a new analytical methodology for the evaluation of the outage probability of cooperative decode-and-forward (DF) automatic-repeat-request (ARQ) r...
Sangkook Lee, Weifeng Su, Stella N. Batalama, John...
CORR
2011
Springer
199views Education» more  CORR 2011»
12 years 11 months ago
STiCMAC: A MAC Protocol for Robust Space-Time Coding in Cooperative Wireless LANs
Relay-assisted cooperative wireless communication has been shown to have significant performance gains over the legacy direct transmission scheme. Compared with single relay base...
Pei Liu, Chun Nie, Thanasis Korakis, Elza Erkip, S...
HPCA
2011
IEEE
12 years 11 months ago
Mercury: A fast and energy-efficient multi-level cell based Phase Change Memory system
― Phase Change Memory (PCM) is one of the most promising technologies among emerging non-volatile memories. PCM stores data in crystalline and amorphous phases of the GST materia...
Madhura Joshi, Wangyuan Zhang, Tao Li
ISCA
2012
IEEE
302views Hardware» more  ISCA 2012»
11 years 10 months ago
Scale-out processors
The emergence of global-scale online services has galvanized scale-out software, characterized by splitting vast datasets and massive computation across many independent servers. ...
Pejman Lotfi-Kamran, Boris Grot, Michael Ferdman, ...