Abstract
We consider a cooperative relaying system with two source terminals, one full duplex relay, and a common destination. Each terminal has a local traffic queue while the relay has two relaying queues to store the relayed source packets. We assume that the source terminals transmit packets in orthogonal frequency bands. In contrast to previous work which assumes a time division multi-access cooperation strategy, we assume that the source terminals and the relay simultaneously transmit their packets to the common destination through a multi-access channel (MAC). A new cooperative MAC scheme for the described network is proposed. We drive an expression for the stable throughput and characterize the stability region of the network. Moreover, the fundamental trade-off between the delay and the stable throughput is studied. Numerical results reveal that the proposed protocol outperforms traditional time division multi-access strategies.
This paper was made possible by NPRP grant # 4-1119-2-427 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely responsibility of the authors.
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© 2015 Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Salman, M., El-Keyi, A., Nafie, M., Hasna, M. (2015). Stability and Delay Analysis for Cooperative Relaying with Multi-access Transmission. In: Weichold, M., Hamdi, M., Shakir, M., Abdallah, M., Karagiannidis, G., Ismail, M. (eds) Cognitive Radio Oriented Wireless Networks. CrownCom 2015. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 156. Springer, Cham. https://doi.org/10.1007/978-3-319-24540-9_10
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DOI: https://doi.org/10.1007/978-3-319-24540-9_10
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