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Capacity analysis of continuous-time time-variant asynchronous uplink wideband CDMA system
KTH, School of Electrical Engineering (EES).
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-0036-9049
KTH, School of Electrical Engineering (EES), Signal Processing.
2014 (English)In: IEEE Vehicular Technology Conference, 2014Conference paper (Refereed)
Abstract [en]

This paper considers the capacity limit of an uplink wideband CDMA system. In order to make the studied results useful for the performance assessment of real cellular networks, various realistic assumptions are included in the problem. An equivalent discrete-time channel model is derived based on sufcient statistic for optimal decoding of transmit messages. The capacity regions are then characterized considering nite constellation and Gaussian input assumptions. For further insight, an analysis on the asymptotic capacity is considered, in which the conditions to simultaneously achieve the individual capacities are derived.

Place, publisher, year, edition, pages
, IEEE Vehicular Technology Conference, ISSN 1550-2252 ; 6965895
Keyword [en]
Continuous time systems, Asymptotic capacities, Capacity analysis, Capacity regions, Cellular network, Discrete-time channels, Optimal decoding, Performance assessment, Wideband CDMA systems, Code division multiple access
National Category
Transport Systems and Logistics
URN: urn:nbn:se:kth:diva-167556DOI: 10.1109/VTCFall.2014.6965895ISI: 000353345400097ScopusID: 2-s2.0-84919459254ISBN: 9781479944491ISBN: 9781479944491OAI: diva2:818056
80th IEEE Vehicular Technology Conference, VTC 2014-Fall, 14 September 2014 through 17 September 2014

QC 20150608

Available from: 2015-06-08 Created: 2015-05-22 Last updated: 2015-06-08Bibliographically approved

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ReferencesLink to record
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