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VTC
2006
IEEE
113views Communications» more  VTC 2006»
16 years 4 days ago
On the Calculation of OFDM Error Performance with Phase Noise in AWGN and Fading Channels
Oscillator phase noise (PN) in orthogonal frequency division multiplexing (OFDM) systems can cause severe performance degradation. In contrary to the assumptions made previously, r...
Himal A. Suraweera, Xiaolin Zhou, Jean Armstrong
147
Voted
SIGIR
2006
ACM
16 years 3 days ago
Statistical precision of information retrieval evaluation
We introduce and validate bootstrap techniques to compute confidence intervals that quantify the effect of test-collection variability on average precision (AP) and mean average...
Gordon V. Cormack, Thomas R. Lynam
145
Voted
SIGIR
2006
ACM
16 years 3 days ago
Capturing collection size for distributed non-cooperative retrieval
Modern distributed information retrieval techniques require accurate knowledge of collection size. In non-cooperative environments, where detailed collection statistics are not av...
Milad Shokouhi, Justin Zobel, Falk Scholer, Seyed ...
ACMSE
2005
ACM
15 years 11 months ago
Investigating hidden Markov models capabilities in anomaly detection
Hidden Markov Model (HMM) based applications are common in various areas, but the incorporation of HMM's for anomaly detection is still in its infancy. This paper aims at cla...
Shrijit S. Joshi, Vir V. Phoha
160
Voted
ADHOCNOW
2005
Springer
15 years 11 months ago
Probability Distributions for Channel Utilisation
Sensor nets have many undisputed fields of application. A paradigm of communication is the use of one control channel in the MAC layer. We challenge this paradigm for nodes with v...
Christian Schindelhauer, Kerstin Voß