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ICC
2007
IEEE
14 years 2 months ago
Performance Analysis of OFDM Based UWB Systems Enhanced with Frequency-Domain Spreading
— In this paper, a performance analysis of orthogonal frequency-division multiplexing (OFDM) based ultra-wideband (UWB) systems with frequency-domain spreading is presented. A co...
Esa Kunnari, Jari H. Iinatti
ICC
2007
IEEE
137views Communications» more  ICC 2007»
14 years 2 months ago
A Framework for Optimizing the Uplink Performance of Distributed Antenna Systems under a Constrained Backhaul
Abstract— It has recently been shown that multi-cell cooperations in cellular networks, enabling distributed antenna systems and joint transmission or joint detection across cell...
Patrick Marsch, Gerhard Fettweis
ICDE
2007
IEEE
161views Database» more  ICDE 2007»
14 years 2 months ago
How to scalably and accurately skip past streams
Data stream methods look at each new item of the stream, perform a small number of operations while keeping a small amount of memory, and still perform muchneeded analyses. Howeve...
Supratik Bhattacharyya, André Madeira, S. M...
IPPS
2000
IEEE
14 years 2 days ago
Bandwidth-Efficient Collective Communication for Clustered Wide Area Systems
Metacomputing infrastructures couple multiple clusters (or MPPs) via wide-area networks. A major problem in programming parallel applications for such platforms is their hierarchi...
Thilo Kielmann, Henri E. Bal, Sergei Gorlatch
ACL
2001
13 years 10 months ago
Quantitative and Qualitative Evaluation of Darpa Communicator Spoken Dialogue Systems
This paper describes the application of the PARADISE evaluation framework to the corpus of 662 human-computer dialogues collected in the June 2000 Darpa Communicator data collecti...
Marilyn A. Walker, Rebecca J. Passonneau, Julie E....