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INFOCOM
2008
IEEE
15 years 11 months ago
Self-Organizing Dynamic Fractional Frequency Reuse in OFDMA Systems
—We describe an algorithm for sub-carrier and power allocation that achieves out-of-cell interference avoidance through dynamic fractional frequency reuse (FFR) in downlink of ce...
Alexander L. Stolyar, Harish Viswanathan
INFOCOM
2008
IEEE
15 years 11 months ago
How Bad is Suboptimal Rate Allocation?
Abstract—Not too bad. A rate allocation that is suboptimal with respect to a utility maximization formulation still maintains the maximum flow-level stability when the utility g...
Tian Lan, Xiaojun Lin, Mung Chiang, Ruby B. Lee
IPPS
2008
IEEE
15 years 11 months ago
Self-optimizing distributed trees
We present a novel protocol for restructuring a treebased overlay network in response to the workload of the application running over it. Through low-cost restructuring operations...
Michael K. Reiter, Asad Samar, Chenxi Wang
IROS
2008
IEEE
125views Robotics» more  IROS 2008»
15 years 11 months ago
Neighborhood denoising for learning high-dimensional grasping manifolds
— Human control of high degree-of-freedom robotic systems, e.g. anthropomorphic robot hands, is often difficult due to the overwhelming number of variables that need to be speci...
Aggeliki Tsoli, Odest Chadwicke Jenkins
ISCAS
2008
IEEE
179views Hardware» more  ISCAS 2008»
15 years 11 months ago
Direction of arrival estimation for speech sources using fourth order cross cumulants
— In many applications where speech separation and enhancement is of interest, e.g. conferencing systems, mobile phones and hearing aids, accurate speaker localization is importa...
Mikael Swarding, Benny Sallberg, Nedelko Grbic