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ITA
2006
15 years 6 months ago
Complexity classes for membrane systems
Abstract. We compare various computational complexity classes defined within the framework of membrane systems, a distributed parallel computing device which is inspired from the f...
Antonio E. Porreca, Giancarlo Mauri, Claudio Zandr...
PIMRC
2008
IEEE
16 years 12 days ago
Real vs. complex BPSK precoding for MIMO broadcast channels
Abstract—Recently M¨uller et al. (IEEE J. Select. Areas Commun. 2008) used asymptotic methods from statistical physics to analyze non-linear vector precoding for MIMO broadcast ...
Rodrigo de Miguel, Ralf R. Müller
INFOCOM
2007
IEEE
16 years 10 days ago
Low-Complexity Distributed Scheduling Algorithms for Wireless Networks
— We consider the problem of distributed scheduling in wireless networks. We present two different algorithms whose performance is arbitrarily close to that of maximal schedules,...
Abhinav Gupta, Xiaojun Lin, R. Srikant
ICC
2008
IEEE
113views Communications» more  ICC 2008»
16 years 14 days ago
Complexity Reduction of Maximum-Likelihood Multiuser Detection (ML-MUD) Receivers with Carrier Interferometry Codes in MC-CDMA
—We propose to use carrier interferometry (CI) codes to reduce the complexity of the maximumlikelihood multiuser-detection (ML-MUD) receiver in MC-CDMA systems with carrier frequ...
Layla Tadjpour, Shang-Ho Tsai, C. C. Jay Kuo
ICC
2007
IEEE
121views Communications» more  ICC 2007»
16 years 10 days ago
Low Complexity Adaptive Turbo Frequency-Domain Channel Estimation for Single-Carrier Multi-User Detection with Unknown Co-Channe
—Adaptive Turbo frequency-domain channel estimation is investigated for single-carrier (SC) multi-user detection in the presence of unknown co-channel interference (CCI). We prop...
Ye Wu, Xu Zhu, Asoke K. Nandi