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204
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GLOBECOM
2006
IEEE
16 years 1 months ago
Two-phase Collision Avoidance to Improve Scalability in Wireless LANs
— IEEE 802.11 DCF exhibits poor scalability due to the large contention overhead. Therefore, the more the number of stations, the less the aggregate throughput. We propose a two-...
Seongil Han, Yongsub Nam, Yongho Seok, Taekyoung K...
156
Voted
VTC
2006
IEEE
175views Communications» more  VTC 2006»
16 years 1 months ago
Performance of an Adaptive Multiuser OFDM Uplink with Carrier Frequency Offsets
Using an OFDM based uplink for the future cellular network has been a controversial issue due to difficulties in time and frequency synchronization and high Peak-to-Average Power...
Wei Wang, Tony Ottosson, Tommy Svensson
240
Voted
IPPS
2005
IEEE
16 years 19 days ago
Dynamic Task Scheduling using Genetic Algorithms for Heterogeneous Distributed Computing
An algorithm has been developed to dynamically schedule heterogeneous tasks on heterogeneous processors in a distributed system. The scheduler operates in an environment with dyna...
Andrew J. Page, Thomas J. Naughton
177
Voted
EUROPAR
2004
Springer
16 years 13 days ago
Task-Queue Based Hybrid Parallelism: A Case Study
Abstract. In this paper we report on our experiences with hybrid parallelism in PARDISO, a high-performance sparse linear solver. We start with the OpenMP-parallel numerical factor...
Karl Fürlinger, Olaf Schenk, Michael Hagemann
IFIP
2004
Springer
16 years 12 days ago
A Matrix q-Analogue of the Parikh Map
We introduce an extension of the Parikh mapping called the Parikh ¢ -matrix mapping, which takes its values in matrices with polynomial entries. The morphism constructed represent...
Ömer Egecioglu, Oscar H. Ibarra