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DEXA
2009
Springer
176views Database» more  DEXA 2009»
15 years 2 months ago
Analyzing Document Retrievability in Patent Retrieval Settings
Most information retrieval settings, such as web search, are typically precision-oriented, i.e. they focus on retrieving a small number of highly relevant documents. However, in sp...
Shariq Bashir, Andreas Rauber
GLOBECOM
2009
IEEE
15 years 2 months ago
Constellation Precoded Beamforming
Abstract--We present and analyze the performance of constellation precoded beamforming. This multi-input multi-output transmission technique is based on the singular value decompos...
Hong Ju Park, Ender Ayanoglu
HIPC
2009
Springer
15 years 2 months ago
Improved opportunistic scheduling algorithms for WiMAX Mobile Multihop Relay networks
We investigate the problem of scheduling in OFDMbased multihop relay networks with special emphasis on IEEE 802.16j based WiMAX networks. In such networks, scheduling is the probl...
Srinath Narasimha, Krishna M. Sivalingam
HPDC
2009
IEEE
15 years 2 months ago
Evaluating the utility of content delivery networks
Content Delivery Networks (CDNs) balance costs and quality in services related to content delivery. This has urged many Web entrepreneurs to make contracts with CDNs. In the liter...
Konstantinos Stamos, George Pallis, Athena Vakali,...
149
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ICASSP
2009
IEEE
15 years 2 months ago
On perfect channel identifiability of semiblind ML detection of orthogonal space-time block coded OFDM
This paper considers maximum-likelihood (ML) detection of orthogonal space-time block coded OFDM (OSTBC-OFDM) systems without channel state information. Our previous work has show...
Tsung-Hui Chang, Wing-Kin Ma, Chuan-Yuan Huang, Ch...
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