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Optimal power control law for equal-rate DS-CDMA networks governed by a successive soft interference cancellation scheme
dc.contributor.author | Molina Oliveras, Francesc |
dc.contributor.author | Sala Álvarez, José |
dc.contributor.author | Villares Piera, Nemesio Javier |
dc.contributor.author | Rey Micolau, Francesc |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2018-11-13T10:19:50Z |
dc.date.issued | 2018 |
dc.identifier.citation | F. Molina, Sala, J., Villares, J., Rey, F. Optimal power control law for equal-rate DS-CDMA networks governed by a successive soft interference cancellation scheme. A: IEEE International Conference on Acoustics, Speech, and Signal Processing. "2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP): proceedings". Institute of Electrical and Electronics Engineers (IEEE), 2018, p. 3694-3698. |
dc.identifier.isbn | 978-1-5386-4658-8 |
dc.identifier.uri | http://hdl.handle.net/2117/124085 |
dc.description | ©2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
dc.description.abstract | This paper studies the throughput maximization of a dense multiple access network of low-rate subscribers that share the same practical Forward Error Correction (FEC) code and modulation scheme, and transmit to a central node that implements a Successive Soft Interference Cancellation (soft SIC) strategy in order to mitigate Multiple Access Interference (MAI). In the user-asymptotic case, we make use of Variational Calculus (VC) tools to derive, in terms of the Packet Error Rate (PER) of the shared encoder and the Residual Energy (RE) from imperfect cancellation, the optimum energy profile that maximizes the network spectral efficiency, when a sum power constraint at the SIC input is enforced. Comparative performance analyses using a representative encoder are carried out. Simulation results show the benefit of the adopted soft SIC scheme in front of other SIC strategies, obtaining relevant throughput gains under high traffic loads. |
dc.format.extent | 5 p. |
dc.language.iso | eng |
dc.publisher | Institute of Electrical and Electronics Engineers (IEEE) |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació |
dc.subject.lcsh | Network analysis (Planning) |
dc.subject.lcsh | Energy – Consumption |
dc.subject.other | Packet Error Rate |
dc.subject.other | Residual Energy |
dc.subject.other | Successive Soft Interference Cancellation |
dc.subject.other | Variational Calculus |
dc.title | Optimal power control law for equal-rate DS-CDMA networks governed by a successive soft interference cancellation scheme |
dc.type | Conference report |
dc.subject.lemac | Anàlisi de xarxes (Planificació) |
dc.subject.lemac | Energia -- Consum |
dc.contributor.group | Universitat Politècnica de Catalunya. SPCOM - Grup de Recerca de Processament del Senyal i Comunicacions |
dc.identifier.doi | 10.1109/ICASSP.2018.8462289 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://ieeexplore.ieee.org/document/8462289 |
dc.rights.access | Open Access |
local.identifier.drac | 23420228 |
dc.description.version | Postprint (author's final draft) |
dc.relation.projectid | info:eu-repo/grantAgreement/MINECO//TEC2013-47020-C2-2-R/ES/COMUNICACIONES Y PROCESADO DE SEÑAL EN ESCENARIOS ADVERSOS - 1/ |
dc.date.lift | 10000-01-01 |
local.citation.author | Molina, F.; Sala, J.; Villares, J.; Rey, F. |
local.citation.contributor | IEEE International Conference on Acoustics, Speech, and Signal Processing |
local.citation.publicationName | 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP): proceedings |
local.citation.startingPage | 3694 |
local.citation.endingPage | 3698 |