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Future wireless communication calls for exploration of more efficient use of wireless channel capacity to meet the increasing demand on higher data rate and less latency. However, while ergodic capacity and instantaneous capacity are fundamental properties of a wireless channel, they are in many cases not sufficient for use in assessing if data transmission over the channel meets the quality of service...
Device-to-device (D2D) communication, where user equipments (UEs) in proximity communicate directly with each other, is an alternative technology for densification in future wireless communications featuring extremely dense and heterogeneous networks. The intrinsic characteristics of D2D communication include (1) limited energy capacity of battery powered UEs, (2) necessary power consumption to maintain...
Duty cycling has been widely used in Wireless Sensor Networks (WSNs). While its general impact on the network performance is intuitive and clear, this understanding is far from sufficient for WSN planning, design and optimization, among others. In this paper, a quantitative study on the relationship between duty cycle and end-to-end network performance, in terms of delay and throughput, is presented,...
In this paper, we investigate the topology boundary conditions in wireless mesh networks (WMNs) with focus on the maximum network diameter of such networks under different performance requirements. Specifically, we derive an end-to-end maximum node number upper bound, i.e., an upper bound on the network diameter as a function of end-to-end delay requirement, and an end-to-end maximum node number upper...
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