Abstract
The paper presents simple detection algorithms to mitigate interference due to asynchronism in the uplink of a mobile radio system using spread spectrum multi-carrier multiple access (SS-MC-MA). The effects of a pilot-symbol-aided uplink channel estimation are taken into account in the analysis. The presented system allows some intersymbol interference (ISI) and intersubchannel interference (ICI) in the uplink but in return reduces the loss in bandwidth efficiency due to a shortened guard interval and avoids the complexity of a dedicated uplink synchronization scheme.
This work was funded by the German Aerospace Center (DLR), the Telecommunications Research Laboratories (TRLabs), and the Natural Sciences & Engineering Research Council (NSERC) of Canada.
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References
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Kaiser, S., Krzymien, W.A., Fazel, K. (2000). Performance Tradeoffs in Asynchronous Spread Spectrum Multi-Carrier Multiple Access. In: Fazel, K., Kaiser, S. (eds) Multi-Carrier Spread Spectrum & Related Topics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4463-0_4
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DOI: https://doi.org/10.1007/978-1-4615-4463-0_4
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