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106
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ICC
2007
IEEE
15 years 9 months ago
Large System Performance Evaluation of the DS/CDMA Relay Channel Using Linear Receivers
— This paper considers a relay communication system where cooperative diversity is achieved by spreading the relay transmissions using direct-sequence CDMA (DS/CDMA). We derive e...
David Gregoratti, Xavier Mestre
131
Voted
VTC
2006
IEEE
124views Communications» more  VTC 2006»
15 years 8 months ago
Accurate BER Analysis of QPSK Modulated Asynchronous DS-CDMA Systems Communicating over Rayleigh Channels
Abstract— The accurate average BER calculation of an asynchronous DS-CDMA system using random spreading sequences is studied in Rayleigh fading channels. An accurate closedform e...
Xiang Liu, Lajos Hanzo
138
Voted
PATAT
2000
Springer
124views Education» more  PATAT 2000»
15 years 6 months ago
Tabu Search Techniques for Examination Timetabling
Abstract The Examination Timetabling problem regards the scheduling for the exams of a set of university courses, avoiding the overlapping of exams having students in common, fairl...
Luca Di Gaspero, Andrea Schaerf
GLOBECOM
2009
IEEE
15 years 9 months ago
How Much Training Is Needed for Iterative Multiuser Detection and Decoding?
Abstract—This paper studies large randomly spread directsequence code-division multiple-access system operating over a block fading multipath channel. Channel knowledge is obtain...
Mikko Vehkaperä, Keigo Takeuchi, Ralf R. M&uu...
127
Voted
WINE
2009
Springer
383views Economy» more  WINE 2009»
15 years 9 months ago
News Posting by Strategic Users in a Social Network
We argue that users in social networks are strategic in how they post and propagate information. We propose two models — greedy and courteous — and study information propagatio...
Mangesh Gupte, MohammadTaghi Hajiaghayi, Lu Han, L...