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Abstract
A fundamental characterization of a half-duplex wireless system with packet losses under traffic with hard deadlines is instrumental to understanding and developing efficient, coding aware policies for real-time applications. We set forth the concept of reliability capacity with a limited number of transmissions and provide closed-form upper and lower bounds for this capacity. We show that the reliability capacity converges to the capacity of a classical erasure channel as the deadline constraint is relaxed. In our framework, the effect of feedback is analyzed both in terms of the reliability capacity and in terms of its advantages towards the mean number of packets that can be transmitted reliably. Optimal schemes for leveraging feedback are presented and the results show that a judicious use of even a single feedback packet can have a significant impact on the mean performance.
Original language | English |
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Title of host publication | European Wireless 2015; 21th European Wireless Conference; Proceedings of |
Number of pages | 6 |
Publisher | VDE Verlag GMBH |
Publication date | 2015 |
Pages | 215-220 |
ISBN (Print) | 978-3-8007-3976-9 |
Publication status | Published - 2015 |
Event | European Wireless 2015 - Budapest, Hungary Duration: 20 May 2015 → 22 May 2015 Conference number: 21 http://ew2015.european-wireless.org/ |
Conference
Conference | European Wireless 2015 |
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Number | 21 |
Country/Territory | Hungary |
City | Budapest |
Period | 20/05/2015 → 22/05/2015 |
Internet address |
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