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Citations since 2017
7 Research Items
I am currently pursuing an M.S. degree in the School of Computer and Communication Sciences at École Polytechnique Fédérale de Lausanne. I received my B.E. degree at Nanjing University of Science and Technology, advised by Prof. Yijin Zhang.
We consider a wireless uplink network consisting of multiple end devices and an access point (AP). Each device monitors a physical process with stochastic arrival of status updates and sends these updates to the AP over a shared channel. The AP aims to schedule the transmissions of these devices to optimize the network-wide information freshness, q...
This paper considers random access in deadline-constrained broadcasting with frame-synchronized traffic. To enhance the maximum achievable timely delivery ratio (TDR), we define a dynamic control scheme that allows each active node to determine the transmission probability with certainty based on the current delivery urgency and the knowledge of cu...
This paper considers a multiple-access system with multiple-packet reception (MPR) capability $\gamma$, i.e., a packet can be successfully received as long as it overlaps with $\gamma-1$ or fewer other packets at any instant during its lifetime. To efficiently utilize the MPR capability, this paper generalizes $p$-persistent carrier-sense multiple...
This paper considers dynamic optimization of random access in deadline-constrained broadcasting with frame-synchronized traffic. Under the non-retransmission setting, we define a dynamic control scheme that allows each active node to determine the transmission probability based on the local knowledge of current delivery urgency and contention inten...
In this paper, we consider a multiuser uplink status update system, where a monitor aims to timely collect randomly generated status updates from multiple end nodes through a shared wireless channel. We adopt the recently proposed metric, termed age of information (AoI), to quantify the information timeliness and freshness. Due to the random genera...