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INFOCOM
2007
IEEE
15 years 3 months ago
Routing and Channel Allocation in Rural Wireless Mesh Networks
— IEEE 802.11 Wi-Fi equipment based wireless mesh networks have recently been proposed as an inexpensive approach to connect far-flung rural areas. Such networks are built using...
Partha Dutta, Sharad Jaiswal, Rajeev Rastogi
SIGMETRICS
2010
ACM
173views Hardware» more  SIGMETRICS 2010»
15 years 2 months ago
Channel fragmentation in dynamic spectrum access systems: a theoretical study
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...
Edward G. Coffman Jr., Philippe Robert, Florian Si...
CORR
2007
Springer
155views Education» more  CORR 2007»
14 years 9 months ago
Low-density graph codes that are optimal for source/channel coding and binning
We describe and analyze the joint source/channel coding properties of a class of sparse graphical codes based on compounding a low-density generator matrix (LDGM) code with a low-...
Martin J. Wainwright, Emin Martinian
ESORICS
2007
Springer
15 years 3 months ago
Cloak: A Ten-Fold Way for Reliable Covert Communications
A number of network covert channels have been proposed recently that may have important ramifications for Internet security and privacy. However, they could become ineffective in...
Xiapu Luo, Edmond W. W. Chan, Rocky K. C. Chang
CORR
2008
Springer
145views Education» more  CORR 2008»
14 years 9 months ago
The Capacity Region of Large Wireless Networks
The capacity region of a wireless network with n nodes is the set of all simultaneously achievable rates between all possible n2 node pairs. In this paper, we consider the questio...
Urs Niesen, Piyush Gupta, Devavrat Shah