61 citations · 181 across the 28 of their papers we have counts for
28 papers
Estimating Age of Information Using Finite Order Moments
Licheng Chen, Yunquan Dong
Age of information (AoI) has been proposed as a more suitable metric for characterizing the freshness of information than traditional metrics like delay and throughput. However, th…
Age of Information of CSMA/CA Based Wireless Networks
Liang Li, Yunquan Dong, Chengsheng Pan +1
We consider a wireless network where N nodes compete for a shared channel over the CSMA/CA protocol to deliver observed updates to a common remote monitor. For this network, we rat…
How Far Are Wireless Networks from Being Truly Deterministic?
Yan Li, Yunquan Dong, Pingyi Fan +1
With the rapid development of Internet-of-Things (IoT) technology and machine-type communications, various emerging applications appear in industrial productions and our daily live…
Minimizing Age-upon-Decisions in Bufferless System: Service Scheduling and Decision Interval
Shutong Chen, Tianci Zhang, Zhengchuan Chen +4
In Internet of Things (IoT), the decision timeliness of time-sensitive applications is jointly affected by the statistics of update process and decision process. This work consider…
On-Time Communications Over Fading Channels
Yan Li, Yunquan Dong, Byonghyo Shim
We consider the on-time transmissions of a sequence of packets over a fading channel.Different from traditional in-time communications, we investigate how many packets can be recei…
Age-optimal Service and Decision Scheduling in Internet of Things
Zhiwei Bao, Yunquan Dong, Zhengchuan Chen +2
We consider an Internet of Things (IoT) system in which a sensor observes a phenomena of interest with exponentially distributed intervals and delivers the updates to a monitor wit…
Distributed Sensing with Orthogonal Multiple Access: To code or not to Code?
Yunquan Dong
We consider the estimation distortion of a distributed sensing system with finite number of sensor nodes, in which the nodes observe a common phenomenon and transmit their observat…
Energy Harvesting Powered Sensing in IoT: Timeliness Versus Distortion
Yunquan Dong, Pingyi Fan, Khaled Ben Letaief
We consider an Internet-of-Things (IoT) system in which an energy harvesting powered sensor node monitors the phenomenon of interest and transmits its observations to a remote moni…
Age-upon-Decisions Minimizing Scheduling in Internet of Things: To be Random or to be Deterministic?
Yunquan Dong, Zhengchuan Chen, Shanyun Liu +2
We consider an Internet of Things (IoT) system in which a sensor delivers updates to a monitor with exponential service time and first-come-first-served (FCFS) discipline. We inves…
Broadcast Age of Information in CSMA/CA Based Wireless Networks
Mei Wang, Yunquan Dong
We consider a wireless sensor network in which all the nodes wish to spread their updates over the network using CSMA/CA protocol. We investigate the age of information of the spre…
Weighted-Sum Average Age of Information in Unilaterally Powered Two-Way Data Exchanging Systems
Cheng Hu, Yunquan Dong
This paper considers a two-way data exchanging system with a constant powered access point and an energy-harvesting powered smart device. The access point simultaneously transmits…
Matching Users' Preference Under Target Revenue Constraints in Optimal Data Recommendation Systems
Shanyun Liu, Yunquan Dong, Pingyi Fan +2
This paper focuses on the problem of finding a particular data recommendation strategy based on the user preferences and a system expected revenue. To this end, we formulate this p…
Age of Information Upon Decisions
Yunquan Dong, Zhengchuan Chen, Shanyun Liu +1
We consider an M/M/1 update-and-decide system where Poisson distributed decisions are made based on the received updates. We propose to characterize the freshness of the received u…
A Switch to the Concern of User: Importance Coefficient in Utility Distribution and Message Importance Measure
Shanyun Liu, Rui She, Shuo Wan +2
This paper mainly focuses on the utilization frequency in receiving end of communication systems, which shows the inclination of the user about different symbols. When the average…
Queueing Analysis for Block Fading Rayleigh Channels in the Low SNR Regime
Yunquan Dong, Pingyi Fan
Wireless fading channels suffer from both channel fadings and Additive White Gaussian Noise (AWGN). As a result, it is impossible for fading channels to support a constant rate dat…
Uplink Age of Information of Unilaterally Powered Two-way Data Exchanging Systems
Yunquan Dong, Zhengchuan Chen, Pingyi Fan
We consider a two-way data exchanging system where a master node transfers energy and data packets to a slave node alternatively. The slave node harvests the transferred energy and…
Optimal Power Control for Transmitting Correlated Sources with Energy Harvesting Constraints
Yunquan Dong, Zhi Chen, Jian Wang +1
We investigate the weighted-sum distortion minimization problem in transmitting two correlated Gaussian sources over Gaussian channels using two energy harvesting nodes. To this en…
Capacity Region of Gaussian Multiple-Access Channels with Energy Harvesting and Energy Cooperation
Yunquan Dong, Zhengchuan Chen, Pingyi Fan
We consider the capacity region of a -user multiple access channel (MAC) with energy harvesting transmitters. Each user stores and schedules the randomly arriving energy using a…
Focusing on a Probability Element: Parameter Selection of Message Importance Measure in Big Data
Rui She, Shanyun Liu, Yunquan Dong +1
Message importance measure (MIM) is applicable to characterize the importance of information in the scenario of big data, similar to entropy in information theory. In fact, MIM wit…
Message Importance Measure and Its Application to Minority Subset Detection in Big Data
Pingyi Fan, Yunquan Dong, Jiaxun Lu +1
Message importance measure (MIM) is an important index to describe the message importance in the scenario of big data. Similar to the Shannon Entropy and Renyi Entropy, MIM is requ…
Mobility-Aware Uplink Interference Model for 5G Heterogeneous Networks
Yunquan Dong, Zhi Chen, Pingyi Fan +1
To meet the surging demand for throughput, 5G cellular networks need to be more heterogeneous and much denser, by deploying more and more small cells. In particular, the number of…
The Deterministic Time-Linearity of Service Provided by Fading Channels
Yunquan Dong, Qing Wang, Pingyi Fan +1
In the paper, we study the service process of an independent and identically distributed (\textit{i.i.d.}) Nakagami- fading channel, which is defined as the amount of ser…
High Speed Railway Wireless Communications: Efficiency v.s. Fairness
Yunquan Dong, Pingyi Fan, Khaled Ben Letaief
High speed railways (HSRs) have been deployed widely all over the world in recent years. Different from traditional cellular communication, its high mobility makes it essential to…
A Queueing Characterization of Information Transmission over Block Fading Rayleigh Channels in the Low SNR
Yunquan Dong, Pingyi Fan
Unlike the AWGN (additive white gaussian noise) channel, fading channels suffer from random channel gains besides the additive Gaussian noise. As a result, the instantaneous channe…