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المؤلفZhou F.
المؤلفAli A.A.
المؤلفChowdhury K.
تاريخ الإتاحة2024-08-14T06:12:19Z
تاريخ النشر2015
اسم المنشورLecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST
المصدرScopus
الرقم المعياري الدولي للكتاب18678211
معرّف المصادر الموحدhttp://dx.doi.org/10.1007/978-3-319-24540-9_14
معرّف المصادر الموحدhttp://hdl.handle.net/10576/57702
الملخصCognitive radio (CR) networks experience fluctuating spectrum availability that impacts the end to end bandwidth of a connection. In this paper, we conduct an extensive simulation study of three different window-based TCP flavors- NewReno, Westwood+, and Compound, each of which has unique methods to determine the available bandwidth and scale the congestion window appropriately. These protocols also differ in their respective sensitivities to the metrics of round trip time, loss rate, residual buffer space, among others. These metrics exhibit divergent behavior in CR networks, as compared to classical wireless networks, owing to the frequent channel switching and spectrum sensing functions, and this influences the choice of the TCP protocol. Our ns- 3 based simulation study reveals which specific rate control mechanism in these various TCP protocols are best suited for quickly adapting to varying spectrum and bandwidth conditions, and ensuring the maximum possible throughput for the connection.
راعي المشروعThis work was supported in part by the Office of Naval Research under grant number N000141410192.
اللغةen
الناشرSpringer Verlag
الموضوعCognitive radio Network
Dynamic bandwidth
TCP evaluation
العنوانInvestigation of TCP protocols in dynamically varying bandwidth conditions
النوعConference
الصفحات176-186
رقم المجلد156
dc.accessType Full Text


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