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GLOBECOM
2008
IEEE
14 years 3 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
GLOBECOM
2006
IEEE
14 years 3 months ago
On the Performance of Cooperative Wireless Fixed Relays in Asymmetric Channels
Abstract— In many scenarios the commonly assumed symmetry in multiple relay channels is unrealistic. Therefore, this paper, through analytical and simulation efforts, investigate...
Abdulkareem Adinoyi, Halim Yanikomeroglu
MOBIQUITOUS
2005
IEEE
14 years 2 months ago
An Assessment of the Audio Codec Performance in Voice over WLAN (VoWLAN) Systems
In this paper we present results of experimental investigation into the performance of three audio codecs (ITU-T G.711, G.723.1, and G.729A) under varying load conditions on a Voi...
Miroslaw Narbutt, Mark Davis
ISPA
2004
Springer
14 years 2 months ago
HPL Performance Prevision to Intending System Improvement
HPL is a parallel Linpack benchmark package widely adopted in massive cluster system performance test. On HPL data layout among processors, a law to determine block size NB theoret...
Wenli Zhang, Mingyu Chen, Jianping Fan
IPPS
2002
IEEE
14 years 1 months ago
Comparing the Memory System Performance of DSS Workloads on the HP V-Class and SGI Origin 2000
In this paper, we present an in-depth analysis of the memory system performance of the DSS commercial workloads on two state-of-the-art multiprocessors: the SGI Origin 2000 and th...
Rong Yu, Laxmi N. Bhuyan, Ravi R. Iyer