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Performance Enhancements for Asynchronous Random Access Protocols over Satellite

Kissling, Christian (2011) Performance Enhancements for Asynchronous Random Access Protocols over Satellite. In: Proceedings of the ICC 2011. International Conference on Communication, ICC, 5.-9. Juni 2011, Kyoto.

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Abstract

In this paper, a novel enhancement of the well known ALOHA random access mechanism is presented which largely extends the achievable throughput compared to traditional ALOHA and provides significantly lower packet loss rates. The novel mechanism, called Contention Resolution - ALOHA (CRA), is based on transmitting multiple replicas of a packet in an unslotted ALOHA system and applying interference cancellation techniques. In this paper the methodology for this new random access technique is presented, also w.r.t. existing Interference Cancellation (IC) techniques. Moreover numerical results for performance comparison with state of the art random access mechanisms, such as Contention Resolution Diversity Slotted ALOHA (CRDSA) are provided. Finally the benefit of taking strong forward error correcting codes for the performance of CRA is shown.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Performance Enhancements for Asynchronous Random Access Protocols over Satellite
Authors:
AuthorsInstitution or Email of Authors
Kissling, Christianchristian.kissling@dlr.de
Date:7 June 2011
Journal or Publication Title:Proceedings of the ICC 2011
Refereed publication:Yes
In ISI Web of Science:No
Status:Published
Keywords:ALOHA, Random Access, Succesive Interference Cancellation, CRDSA, IRSA, Coding, throughput, packet loss rate
Event Title:International Conference on Communication, ICC
Event Location:Kyoto
Event Type:international Conference
Event Dates:5.-9. Juni 2011
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W KN - Kommunikation/Navigation
DLR - Research area:Space
DLR - Program:W KN - Kommunikation/Navigation
DLR - Research theme (Project):W - Vorhaben Multimedia Satellitennetze (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Digital Networks
Deposited By: Christian Kißling
Deposited On:27 Jun 2011 11:37
Last Modified:27 Jun 2011 11:37

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