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Probabilistic Cooperation of a Full-Duplex Relay in Random Access Networks
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- Avgouleas, Ioannis (author)
- Linköpings universitet,Kommunikations- och transportsystem,Tekniska fakulteten
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- Pappas, Nikolaos (author)
- Linköpings universitet,Kommunikations- och transportsystem,Tekniska fakulteten
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- Yuan, Di (author)
- Linköpings universitet,Kommunikations- och transportsystem,Tekniska fakulteten
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- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2017
- 2017
- English.
- In: IEEE Access. - : IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. - 2169-3536. ; 5, s. 7394-7404
- Journal article (peer-reviewed)
Abstract
Subject headings
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- In this paper, we analyze the probabilistic cooperation of a full-duplex relay in a multiuser random-access network. The relay is equipped with on/off modes for the receiver and the transmitter independently. These modes are modeled as probabilities by which the receiver and the transmitter are activated. We provide analytical expressions for the performance of the relay queue, such as arrival and service rates, stability conditions, and the average queue size. We optimize the relays operation setup to maximize the network-wide throughput while, simultaneously, we keep the relays queue stable and lower the relays receptions and transmissions. Furthermore, we study the effect of the SINR threshold and the self-interference coefficient on the per-user and network-wide throughput. For low SINR threshold, we show under which circumstances it is beneficial to switch off the relay completely, or switch off the relays receiver only.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Datorsystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Computer Systems (hsv//eng)
Keyword
- Cooperative communication; relays; relay networks; multiaccess communication; multiple access interference; internet of things (IoT); internet; wireless sensor networks (WSNs); body sensor networks (BSNs)
Publication and Content Type
- ref (subject category)
- art (subject category)
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