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Detection and Combining Techniques for Asynchronous Random Access with Time Diversity

Clazzer, Federico and Lazaro Blasco, Francisco and Liva, Gianluigi and Marchese, Mario (2017) Detection and Combining Techniques for Asynchronous Random Access with Time Diversity. 11th International ITG Conference on Systems, Communications and Coding, 6-9 Feb 2017, Hamburg, Germany.

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Abstract

Asynchronous random access (RA) protocols are particularly attractive for their simplicity and avoidance of tight synchronization requirements. Recent enhancements have shown that the use of successive interference cancellation (SIC) can largely boost the performance of these schemes. A further step forward in the performance can be attained when diversity combining techniques are applied. In order to enable combining, the detection and association of the packets to their transmitters has to be done prior to decoding. We present a solution to this problem, that articulates into two phases. Non-coherent soft-correlation as well as interference-aware soft-correlation are used for packet detection. We evaluate the detection capabilities of both solutions via numerical simulations. We also evaluate numerically the spectral efficiency achieved by the proposed approach, highlighting its benefits.

Item URL in elib:https://elib.dlr.de/110971/
Document Type:Conference or Workshop Item (Poster)
Title:Detection and Combining Techniques for Asynchronous Random Access with Time Diversity
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Clazzer, Federicofederico.clazzer (at) dlr.deUNSPECIFIED
Lazaro Blasco, Franciscofrancisco.lazaroblasco (at) dlr.deUNSPECIFIED
Liva, Gianluigigianluigi.liva (at) dlr.deUNSPECIFIED
Marchese, Mariomario.marchese (at) unige.itUNSPECIFIED
Date:6 February 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:random access, detection, combining, successive interference cancellation
Event Title:11th International ITG Conference on Systems, Communications and Coding
Event Location:Hamburg, Germany
Event Type:international Conference
Event Dates:6-9 Feb 2017
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Multimedia Satellitennetze
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Satellite Networks
Deposited By: Clazzer, Federico
Deposited On:14 Feb 2017 15:20
Last Modified:14 Feb 2017 15:20

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