Energy-Efficient Proactive Scheduling Policies for Finite-Buffer Regular Service Guarantees
المؤلف | Abdellatif, Basem |
المؤلف | Galal Khafagy, Mohammad |
المؤلف | Chen, Nan |
المؤلف | ElFouly, Tarek |
المؤلف | Khattab, Tamer |
تاريخ الإتاحة | 2022-10-31T19:21:55Z |
تاريخ النشر | 2022 |
اسم المنشور | IEEE Wireless Communications and Networking Conference, WCNC |
المصدر | Scopus |
الملخص | In this work, we study the energy saving merits of proactive scheduling for downlink multimedia streaming towards a finite-buffer receiver under Rayleigh fading. Three different threshold-based proactive scheduling policies are proposed, each with a different threshold structure on the queue/channel state space. The first two policies consider a single channel gain threshold per queue state, either with a fixed or variable cache amount, whereas the last policy imposes a set of thresholds on the channel gain, fixed on all queue states. We consider a time-causal system in which only the current and previous environment states are known. Required transmit power/signal-to-noise ratio (SNR) for the proposed policies is analytically derived, and numerically benchmarked against a non-proactive (reactive) transmission upper bound, as well as to a non-causal genie-aided lower bound with fully-observable future channel values. Numerical results show that proactive scheduling could save more than 50% of the transmission energy on average. 2022 IEEE. |
راعي المشروع | This work has been made possible by partial support from the Center for Energy Systems Research at Tennessee Technological University. |
اللغة | en |
الناشر | Institute of Electrical and Electronics Engineers Inc. |
الموضوع | multimedia streaming power allocation proactive scheduling QoS threshold-based |
النوع | Conference Paper |
الصفحات | 72-77 |
رقم المجلد | 2022-April |
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