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INFOCOM
2010
IEEE
13 years 1 months ago
Low-complexity Scheduling Algorithms for Multi-channel Downlink Wireless Networks
—This paper considers the problem of designing scheduling algorithms for multi-channel (e.g., OFDM) wireless downlink networks with n users/OFDM sub-channels. For this system, wh...
Shreeshankar Bodas, Sanjay Shakkottai, Lei Ying, R...
CORR
2010
Springer
62views Education» more  CORR 2010»
13 years 2 months ago
Guessing Revisited: A Large Deviations Approach
The problem of guessing a random string is revisited and some prior results on guessing exponents are re-derived using the theory of large deviations. It is shown that if the seque...
Manjesh Kumar Hanawal, Rajesh Sundaresan
ISBI
2004
IEEE
14 years 3 months ago
A Fast Fully 4D Incremental Gradient Reconstruction Algorithm for List Mode PET Data
We present a fully four-dimensional, globally convergent, incremental gradient algorithm to estimate the continuous-time tracer density from list mode positron emission tomography...
Quanzheng Li, Evren Asma, Richard M. Leahy