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CISS
2008
IEEE
14 years 2 months ago
On the delay and throughput of digital and analog network coding for wireless broadcast
— We address the problem of exchanging broadcast packets among multiple wireless terminals through a single relay node. The objective is to evaluate the delay and throughput gain...
Yalin Evren Sagduyu, Dongning Guo, Randall Berry
SIGCOMM
2010
ACM
13 years 8 months ago
PixNet: LCD-camera pairs as communication links
Given the abundance of cameras and LCDs in today's environment, there exists an untapped opportunity for using these devices for communication. Specifically, cameras can tune...
Samuel David Perli, Nabeel Ahmed, Dina Katabi
CORR
2010
Springer
104views Education» more  CORR 2010»
13 years 8 months ago
Support Recovery of Sparse Signals
We study the tradeoffs between the number of measurements, the signal sparsity level, and the measurement noise level for exact support recovery of sparse signals via random noisy ...
Yuzhe Jin, Young-Han Kim, Bhaskar D. Rao
JSAC
2008
90views more  JSAC 2008»
13 years 7 months ago
Limited feedback schemes for downlink OFDMA based on sub-channel groups
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
Jieying Chen, Randall A. Berry, Michael L. Honig
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...