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Xiaoyu Zhao
Tsinghua University
Scheduling (computing)Telecommunications linkCommunication channelPhysical layerFading
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Publications 2
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#1Xiaoyu Zhao (THU: Tsinghua University)
#2Chen Wei (THU: Tsinghua University)H-Index: 26
Last. Ness B. Shroff (OSU: Ohio State University)H-Index: 63
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In this paper, delay-optimal and energy-efficient communication is studied for a single link under Markov random arrivals. We present the optimal tradeoff between delay and power over Additive White Gaussian Noise (AWGN) channels and extend the optimal tradeoff for block fading channels. Under time-correlated traffic arrivals, we develop a cross-layer solution that jointly considers the arrival rate, the queue length, and the channel state in order to minimize the average delay subject to a powe...
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#1Xiaoyu Zhao (THU: Tsinghua University)
#2Chen Wei (THU: Tsinghua University)H-Index: 26
Non-orthogonal multiple access (NOMA) has attracted great attention in the fifth-generation (5G) system to meet the rapidly increasing demand on quality of service (QoS). Among various QoS requirements, the urgent latency requirement has been expected to be provided for the delay-sensitive applications. In this paper, the delay-optimal uplink transmission in NOMA is studied over a block fading channel based on a cross-layer design, by which average latency is minimized with reliability provided ...
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