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ICC
2007
IEEE
186views Communications» more  ICC 2007»
15 years 1 months ago
On Channel Coding Selection in Time-Slotted ALOHA Packetized Multiple-Access Systems Over Rayleigh Fading Channels
— In this paper, we consider the time-slotted ALOHA packetized multiple-access system where the transmission channels obey i.i.d (independent identically distributed) Rayleigh fa...
Chen Wei, Pingyi Fan, Khaled Ben Letaief
TMC
2012
13 years 2 months ago
Message Drop and Scheduling in DTNs: Theory and Practice
Abstract—In order to achieve data delivery in Delay Tolerant Networks (DTN), researchers have proposed the use of store-carryand-forward protocols: a node there may store a messa...
Amir Krifa, Chadi Barakat, Thrasyvoulos Spyropoulo...
ICASSP
2009
IEEE
15 years 6 months ago
A frequency hopping spread spectrum transmission scheme for uncoordinated cognitive radios
One of the major challenges to cognitive radios is the synchronization of distributed radios onto the same spectrum white spaces which vary in time and space. In this paper, we pr...
Xiaohua Li, Juite Hwu
ISAAC
2003
Springer
125views Algorithms» more  ISAAC 2003»
15 years 5 months ago
A Heuristic for the Stacker Crane Problem on Trees Which Is Almost Surely Exact
Abstract Given an edge-weighted transportation network G and a list of transportation requests L, the Stacker Crane Problem is to find a minimum-cost tour for a server along the e...
Amin Coja-Oghlan, Sven Oliver Krumke, Till Nierhof...
LWA
2007
15 years 1 months ago
Parameter Learning for a Readability Checking Tool
This paper describes the application of machine learning methods to determine parameters for DeLite, a readability checking tool. DeLite pinpoints text segments that are difficul...
Tim vor der Brück, Johannes Leveling