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JSAC
2006
100views more  JSAC 2006»
13 years 7 months ago
An improved algorithm for optimal lightpath establishment on a tree topology
Routing and wavelength assignment (RWA) aims to assign the limited number of wavelengths in a wavelength-division multiplexed (WDM) optical network so as to achieve greater capacit...
Guoliang Xue, Weiyi Zhang, Jian Tang, Krishnaiyan ...
TON
2008
69views more  TON 2008»
13 years 7 months ago
Order optimal delay for opportunistic scheduling in multi-user wireless uplinks and downlinks
Abstract-- We consider a one-hop wireless network with independent time varying channels and N users, such as a multiuser uplink or downlink. We first show that general classes of ...
Michael J. Neely
DAM
1998
77views more  DAM 1998»
13 years 7 months ago
Optimal Wavelength-routed Multicasting
Motivated by wavelength division multiplexing in all-optical networks, we consider the problem of finding a set of paths from a fixed source to a multiset of destinations, which c...
Bruno Beauquier, Pavol Hell, Stephane Perennes
TSP
2010
13 years 2 months ago
Near optimal iterative channel estimation for KSP-OFDM
In this correspondence, we propose an iterative "turbo" channel estimation algorithm for known symbol padding (KSP) orthogonal frequency-division multiplexing (OFDM), whe...
Dieter Van Welden, Heidi Steendam
BROADNETS
2007
IEEE
14 years 2 months ago
Dedicated path protection for waveband switching in WDM networks (invited paper)
— This paper considers the problem of dedicated path-protection in a wavelength-division multiplexing (WDM) mesh network with waveband switching (WBS) functionality under shared ...
Mengke Li, Byrav Ramamurthy