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» Approximate Expectation Maximization
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INFOCOM
2008
IEEE
15 years 5 months ago
On Maximizing the Lifetime of Delay-Sensitive Wireless Sensor Networks with Anycast
—Sleep-wake scheduling is an effective mechanism to prolong the lifetime of energy-constrained wireless sensor networks. However, it incurs an additional delay for packet deliver...
Joohwan Kim, Xiaojun Lin, Ness B. Shroff, Prasun S...
ICC
2007
IEEE
139views Communications» more  ICC 2007»
15 years 5 months ago
Throughput Maximization Transmission Control Scheme Using Precoding for MIMO Systems
— Multiple-input multiple-output (MIMO) systems that realize a high-speed data transmission with multiple antennas at both transmitter and receiver are drawing much attention. In...
Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kane...
VTC
2007
IEEE
15 years 5 months ago
Discrete Power Allocation for Lifetime Maximization in Cooperative Networks
Abstract— Discrete power allocation strategies for amplifyand-forward cooperative networks are proposed based on selective relaying methods. The goal of power allocation is to ma...
Wan-Jen Huang, Yao-Win Hong, C. C. Jay Kuo
FS
2006
81views more  FS 2006»
14 years 11 months ago
Utility maximization and risk minimization in life and pension insurance
We study the problem of finding optimal strategies for a life insurance company or pension fund that acts on behalf of an insured so as to maximize the expected utility (in a gene...
Peter Holm Nielsen
PR
2002
112views more  PR 2002»
14 years 11 months ago
Finding approximate palindromes in strings
We introduce a novel de nition of approximate palindromes in strings, and provide an algorithm to nd all maximal approximate palindromes in a string with up to k errors. Our de ni...
Alexandre H. L. Porto, Valmir C. Barbosa