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ICASSP
2010
IEEE
13 years 8 months ago
Energy-aware adaptive OFDM systems
An effective way of reducing the energy consumption without affecting the quality of service is by adapting to the channel conditions. In this paper we describe one such scheme fo...
Yunus Emre, Chaitali Chakrabarti
MP
2010
150views more  MP 2010»
13 years 4 months ago
The algebraic degree of semidefinite programming
Given a generic semidefinite program, specified by matrices with rational entries, each coordinate of its optimal solution is an algebraic number. We study the degree of the minima...
Jiawang Nie, Kristian Ranestad, Bernd Sturmfels
SIAMAM
2010
194views more  SIAMAM 2010»
13 years 4 months ago
An Age-Structured Model for the Transmission Dynamics of Hepatitis B
Hepatitis B virus (HBV) infection is endemic in many parts of the world. One of the characteristics of HBV transmission is the age structure of the host population. In this paper, ...
Lan Zou, Shigui Ruan, Weinian Zhang
MOBIHOC
2005
ACM
14 years 9 months ago
Sextant: a unified node and event localization framework using non-convex constraints
Determining node and event locations is a canonical task for many wireless network applications. Yet dedicated infrastructure for determining position information is expensive, en...
Emin Gün Sirer, Rohan Murty, Saikat Guha
ICPP
1999
IEEE
14 years 2 months ago
An Offline Algorithm for Dimension-Bound Analysis
The vector-clock size necessary to characterize causality in a distributed computation is bounded by the dimension of the partial order induced by that computation. In an arbitrar...
Paul A. S. Ward