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المؤلفEl Shafie, Ahmed
المؤلفKhattab, Tamer
تاريخ الإتاحة2022-11-01T09:01:31Z
تاريخ النشر2014
اسم المنشورIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
المصدرScopus
المصدر2-s2.0-84944327877
معرّف المصادر الموحدhttp://dx.doi.org/10.1109/PIMRC.2014.7136325
معرّف المصادر الموحدhttp://hdl.handle.net/10576/35677
الملخصIn this paper, we investigate the maximum throughput of a saturated rechargeable secondary user (SU) sharing the spectrum with a primary user (PU). The SU harvests energy packets (tokens) from the environment with a certain harvesting rate. All transmitters are assumed to have data buffers. In addition to its own traffic buffer, the SU has a buffer for storing the admitted primary packets for relaying; and a buffer for storing the energy tokens harvested from the environment. We propose a new cooperative cognitive relaying protocol that allows the SU to relay a fraction of the undelivered primary packets. We consider an interference channel model (or a multi-packet reception (MPR) channel model), where concurrent transmissions can survive with certain probability characterized by the complement of channel outages. The proposed protocol exploits the primary queue burstiness and receivers' MPR capability. In addition, it efficiently expends the secondary energy tokens. Our numerical results show the benefits of cooperation, receivers' MPR capability, and secondary energy queue arrival rate on the system performance from a network layer standpoint. 2014 IEEE.
اللغةen
الناشرInstitute of Electrical and Electronics Engineers Inc.
الموضوعCognitive radio
cooperation
protocol
queue stability
relaying
throughput
العنوانMaximum throughput of a cooperative energy harvesting cognitive radio user
النوعConference Paper
الصفحات1067-1072
رقم المجلد2014-June
dc.accessType Abstract Only


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