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المؤلفElsaadany M.
المؤلفKhattab T.
المؤلفHasna , Mazen
المؤلفAbdallah M.
المؤلفKhairy M.
تاريخ الإتاحة2022-04-26T11:06:59Z
تاريخ النشر2010
اسم المنشورICT 2010: 2010 17th International Conference on Telecommunications
المصدرScopus
المعرّفhttp://dx.doi.org/10.1109/ICTEL.2010.5478826
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-77954558383&doi=10.1109%2fICTEL.2010.5478826&partnerID=40&md5=436801fa5a5bc593f2f79aa6db412c4b
معرّف المصادر الموحدhttp://hdl.handle.net/10576/30559
الملخصWe study the problem of cognitive relaying with limited-energy constraint in opportunistic spectrum access cognitive networks. Under this network setting, the cognitive user increases the spectrum availability for its own packets by relaying the unsuccessfully transmitted packets of the licensed user. We develop scheduling strategy at the cognitive user that maintains a strict spectrum access priority for licensed user packets and improves the average transmission delay for the cognitive and primary users. We study the effect of the relative location of the cognitive node with respect to the licensed user and its primary destination on the average transmission delay of both cognitive and primary users as well as the lifetime of the cognitive user. Our results show that there exists a tradeoff between average packet delay of the cognitive and primary users and lifetime of the cognitive user with respect to the cognitive user location. In particular, we demonstrate that there exists an optimal cognitive relay location that minimizes the average transmission delay of the primary packets.
اللغةen
الناشرIEEE
الموضوعAverage packet delays
Cognitive network
Energy constraint
Licensed users
Network settings
Opportunistic spectrum access
Priority-based scheduling
Relative location
Relay location
Scheduling strategies
Spectrum access
Spectrum availability
Transmission delays
User location
Communication channels (information theory)
Scheduling
Spectroscopy
Plasma diagnostics
العنوانPriority-based scheduling for limited energy cognitive relaying
النوعConference Paper
الصفحات848-852


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