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Stability region of an efficient bidirectional regenerative half-duplex relaying protocol
Technical University of Berlin, Heinrich-Hertz Chair for Mobile Communication, Berlin, Germany.ORCID iD: 0000-0002-0036-9049
2006 (English)In: Proceedings of 2006 IEEE Information Theory Workshop, 2006, 380-384 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this work, a stability optimal rate allocation policy for two M/Q/1-infinity queues in a three node scenario with peak power constraints is characterized in closed form. Between two nodes, bidirectional communication is realized by a half-duplex decode-and-forward relay node. A centralized controller adapts slotwise the optimal discrete-time resource allocation according to the block-fading channel and queue state. In the memoryless Gaussian multiple access mode, the two nodes transmit their information to the relay node. In the memoryless Gaussian broadcast mode, the relay node forwards both information to their destinations. Since each destination node knows its own interference, efficient re-encoding increases the achievable broadcast rates. It results from "standard" Lyapunov drift technique that the stability region facilitated by the proposed rate allocation policy is equal to the ergodic achievable rate region.

Place, publisher, year, edition, pages
2006. 380-384 p.
Keyword [en]
ALLOCATION, NETWORKS, CHANNELS
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-52412ISI: 000243282100082OAI: oai:DiVA.org:kth-52412DiVA: diva2:466414
Conference
IEEE Information Theory Workshop. Chengdu, PEOPLES R CHINA. OCT 22-26, 2006
Note
QC 20111216Available from: 2011-12-15 Created: 2011-12-15 Last updated: 2011-12-16Bibliographically approved

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Oechtering, Tobias J.

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