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Decentralized random energy allocation for massive non-orthogonal code-division multiple access

Author
F. Molina; Villares, J.; Rey, F.; Sala, J.
Type of activity
Journal article
Journal
IEEE communications letters
Date of publication
2019-10-07
DOI
10.1109/LCOMM.2019.2945710
Project funding
Grup de processament del senyal i comunicacions
Wrestling with Interference in Communications and Information Processing
Repository
http://hdl.handle.net/2117/171850 Open in new window
URL
https://ieeexplore.ieee.org/abstract/document/8861096 Open in new window
Abstract
This work studies the spectral efficiency achievable when a very large number of terminals are connected simultaneously to a central node (uplink) through independent and identically-distributed flat-fading channels. Assuming that terminals only have statistical channel state information (CSI), the optimum random transmitted-energy allocation is formulated considering a non-orthogonal direct-sequence code-division multiple access (DS-CDMA) where all users transmit using the same modulation and e...
Citation
F. Molina [et al.]. Decentralized random energy allocation for massive non-orthogonal code-division multiple access. "IEEE communications letters", 7 Octubre 2019.
Keywords
DS-CDMA, Non-orthogonal multiple access, Random energy allocation, Successive interference cancellation
Group of research
SPCOM - Signal Processing and Communications Group

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