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ARQ PROTOCOLS SUPPORTING QOS IN EMBEDDED SYSTEMS
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE).
2008 (engelsk)Independent thesis Advanced level (degree of Master (One Year))Oppgave
Abstract [en]

Many efforts have been carried out to provide transmission reliability in the history of communication systems. As the demand for real-time applications increased, providing a reliable communication in a timely manner for such applications is strongly desired. Considering timing constraints makes the issue of achieving reliability more difficult. This thesis concentrates on providing reliability for real-time communication in embedded networks by achieving a timing analysis and using the ARQ concept. What is carried out in this thesis is providing retransmission in a real-time manner for embedded networks according to application request. The thesis work focuses on one packet retransmission over a point to point link, but the concept is rich and can be extended to cover application request in real-time embedded networks. Two methods have been fulfilled, and a simulation has been done on the timing analysis focusing on the performance in accepting real-time traffic in the form of separate channels for each application request. The protocol combines ARQ and a scheduling algorithm as a base to support retransmission for hard real-time applications in embedded networks.

sted, utgiver, år, opplag, sider
Högskolan i Halmstad/Sektionen för Informationsvetenskap, Data- och Elektroteknik (IDE) , 2008.
Emneord [en]
QoS, ARQ, Embedded Systems, Real-Time Communication, Reliable Transmission, scheduling
Identifikatorer
URN: urn:nbn:se:hh:diva-2446Lokal ID: 2082/2848OAI: oai:DiVA.org:hh-2446DiVA, id: diva2:239664
Uppsök
Technology
Tilgjengelig fra: 2009-04-08 Laget: 2009-04-08 Sist oppdatert: 2009-04-08

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