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APNOMS
2006
Springer
15 years 8 months ago
Performance Analysis of an Adaptive Soft Handoff Algorithm for Mobile Cellular Systems
In this paper, an adaptive soft handoff algorithm, which dynamically calculates the threshold values for soft handoff based on the received signal strength, is proposed for mobile ...
Huamin Zhu, Kyung Sup Kwak
INTERSPEECH
2010
14 years 11 months ago
Comparison of approaches for instrumentally predicting the quality of text-to-speech systems
In this paper, we compare and combine different approaches for instrumentally predicting the perceived quality of Text-to-Speech systems. First, a log-likelihood is determined by ...
Sebastian Möller, Florian Hinterleitner, Tiag...
ICASSP
2011
IEEE
14 years 8 months ago
Pilot optimization for time-delay and channel estimation in OFDM systems
Orthogonal frequency division multiplexing (OFDM) communication systems require accurate estimation of timing offset and channel impulse response in order to achieve desirable per...
Michael D. Larsen, Gonzalo Seco-Granados, A. Lee S...
GLOBECOM
2008
IEEE
15 years 11 months ago
Numerical Performance Evaluation of OFDM Systems Affected by Transmitter Nonlinearities, Phase Noise and Channel Estimation Erro
Abstract—In this contribution we present a numerical approach to evaluate the bit error rate and mutual information of OFDM links affected by transmitter nonlinearities, phase no...
Steffen Bittner, Marco Krondorf, Gerhard Fettweis
MATES
2005
Springer
15 years 10 months ago
Semantic Methods for P2P Query Routing
Knowledge sharing in a virtual organization requires a knowledge life cycle including knowledge provisioning, terminology alignment, determination of resource location, query routi...
Alexander Löser, Steffen Staab, Christoph Tem...