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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…

Information Theory · Computer Science 2019-09-02 Xiaoyu Zhao , Wei Chen , Joohyun Lee , Ness B. Shroff

In this paper we consider energy efficient scheduling in a multiuser setting where each user has a finite sized queue and there is a cost associated with holding packets (jobs) in each queue (modeling the delay constraints). The packets of…

Systems and Control · Computer Science 2017-10-18 Vivek S. Borkar , Gaurav S. Kasbekar , Sarath Pattathil , Priyesh Y. Shetty

Wireless networks used for Internet of Things (IoT) are expected to largely involve cloud-based computing and processing. Softwarised and centralised signal processing and network switching in the cloud enables flexible network control and…

Artificial Intelligence · Computer Science 2020-10-13 Beiran Chen , Yi Zhang , George Iosifidis , Mingming Liu

In this paper we develop scheduling policies that maximize the stability region of a wireless network under the assumption that mutual information accumulation is implemented at the physical layer. When the link quality between nodes is not…

Information Theory · Computer Science 2012-07-17 Jing Yang , Yanpei Liu , Stark C. Draper

Motivated by the increasing importance of providing delay-guaranteed services in general computing and communication systems, and the recent wide adoption of learning and prediction in network control, in this work, we consider a general…

Networking and Internet Architecture · Computer Science 2018-01-08 Kun Chen , Longbo Huang

We investigate an energy-harvesting wireless sensor transmitting latency-sensitive data over a fading channel. The sensor injects captured data packets into its transmission queue and relies on ambient energy harvested from the environment…

Networking and Internet Architecture · Computer Science 2019-05-07 Nikhilesh Sharma , Nicholas Mastronarde , Jacob Chakareski

In this paper, we study how to collect fresh data in time-varying networks with power constrained users. We measure data freshness from the perspective of the central controller by using the metric Age of Information, namely the time…

Information Theory · Computer Science 2019-11-27 Haoyue Tang , Jintao Wang , Linqi Song , Jian Song

In this paper, a two-stage intelligent scheduler is proposed to minimize the packet-level delay jitter while guaranteeing delay bound. Firstly, Lyapunov technology is employed to transform the delay-violation constraint into a sequential…

Information Theory · Computer Science 2024-11-06 Cheng Zhang , Lan Wei , Ji Fan , Zening Liu , Yongming Huang

This paper proposes a learning algorithm to find a scheduling policy that achieves an optimal delay-power trade-off in communication systems. Reinforcement learning (RL) is used to minimize the expected latency for a given energy constraint…

Systems and Control · Electrical Eng. & Systems 2020-06-11 Yu Zhao , Joohyun Lee , Wei Chen

Consider the problem of joint uplink scheduling and power allocation. Being inherent to almost any wireless system, this resource allocation problem has received extensive attention. Yet, most common techniques either adopt classical power…

Networking and Internet Architecture · Computer Science 2015-03-20 Erez Biton , Asaf Cohen , Guy Reina , Omer Gurewitz

In this tutorial paper, a comprehensive survey is given on several major systematic approaches in dealing with delay-aware control problems, namely the equivalent rate constraint approach, the Lyapunov stability drift approach and the…

Performance · Computer Science 2016-11-17 Ying Cui , Vincent K. N. Lau , Rui Wang , Huang Huang , Shunqing Zhang

In this paper, we study the downlink multiuser scheduling problem for systems with simultaneous wireless information and power transfer (SWIPT). We design optimal scheduling algorithms that maximize the long-term average system throughput…

Information Theory · Computer Science 2015-05-26 Maryna Chynonova , Rania Morsi , Derrick Wing Kwan Ng , Robert Schober

This paper targets at the problem of radio resource management for expected long-term delay-power tradeoff in vehicular communications. At each decision epoch, the road side unit observes the global network state, allocates channels and…

Signal Processing · Electrical Eng. & Systems 2019-06-04 Xianfu Chen , Celimuge Wu , Honggang Zhang , Yan Zhang , Mehdi Bennis , Heli Vuojala

We study a bi-level online provisioning and scheduling problem motivated by network resource allocation, where provisioning decisions are made at a slow time scale while queue-/state-dependent scheduling is performed at a fast time scale.…

Machine Learning · Computer Science 2026-02-24 Jialei Liu , C. Emre Koksal , Ming Shi

Cell-free multiple-input multiple-output (CF-MIMO) architecture significantly enhances wireless network performance, offering a promising solution for delay-sensitive applications. This paper investigates the resource allocation problem in…

Information Theory · Computer Science 2026-04-24 Shuangbo Xiong , Cheng Zhang , Wen Wang , Wenwu Yu , Yongming Huang

We consider the problem of long term power allocation in dense wireless networks. The framework considered in this paper is of interest for machine-type communications (MTC). In order to guarantee an optimal operation of the system while…

Information Theory · Computer Science 2018-01-16 Maialen Larranaga , Mohamad Assaad , Koen De Turck

We propose a combined uplink/downlink opportunistic scheduling algorithm for infrastructure WLANs. In the presence of both uplink and downlink flows, an infrastructure WLAN suffers from the uplink/downlink unfairness problem which severely…

Networking and Internet Architecture · Computer Science 2013-10-31 Nischal S , Vinod Sharma

Caching and multicasting at base stations are two promising approaches to support massive content delivery over wireless networks. However, existing scheduling designs do not make full use of the advantages of the two approaches. In this…

Information Theory · Computer Science 2016-02-25 Bo Zhou , Ying Cui , Meixia Tao

In this paper, energy-efficient scheduling for grouped machine-type devices deployed in cellular networks is investigated. We introduce a scheduling-based cooperation incentive scheme which enables machine nodes to organize themselves…

Information Theory · Computer Science 2016-03-18 Amin Azari

Consider the problem of a multi-user multiple access channel. While several multi-user coding techniques exist, in practical scenarios, not all users can be scheduled simultaneously. Thus, a key problem is which users to schedule in a given…

Information Theory · Computer Science 2015-07-14 Ori Shmuel , Asaf Cohen , Omer Gurewitz