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The need to guarantee hard delay bounds to traffic flows with deterministic traffic profiles, e.g., token buckets, arises in a number of network settings. Of interest are solutions that offer such guarantees while minimizing network…

Networking and Internet Architecture · Computer Science 2024-01-18 Jiayi Song , Jiaming Qiu , Roch Guerin , Henry Sariowan

With the rapid growth of mobile traffic demand, a promising approach to relieve cellular network congestion is to offload users' traffic to small-cell networks. In this paper, we investigate how the mobile users (MUs) can effectively…

Networking and Internet Architecture · Computer Science 2015-10-01 Yuan Wu , Yanfei He , Liping Qian , Jianwei Huang , Xuemin , Shen

Many current and future multimedia and industrial applications, like video streaming, eXtended Reality or remote robot control, are characterized by periodic data transmissions with strict latency and reliability constraints. In an effort…

Networking and Internet Architecture · Computer Science 2021-03-17 Mattia Lecci , Matteo Drago , Andrea Zanella , Michele Zorzi

This paper describes Switch 2.0, an open-source modeling platform for planning transitions to low-emission electric power grids, designed to satisfy 21st century grid planning requirements. Switch is capable of long-, medium- and short-term…

Optimization and Control · Mathematics 2019-06-24 Josiah Johnston , Rodrigo Henríquez , Benjamín Maluenda , Matthias Fripp

Massive machine-type communications protocols have typically been designed under the assumption that coordination between users requires significant communication overhead and is thus impractical. Recent progress in efficient activity…

Information Theory · Computer Science 2022-07-12 Justin Kang , Wei Yu

High Speed computing meets ever increasing real-time computational demands through the leveraging of flexibility and parallelism. The flexibility is achieved when computing platform designed with heterogeneous resources to support…

Operating Systems · Computer Science 2015-01-08 Mahendra Vucha , Arvind Rajawat

Maintaining energy balance and economical operation is significant for multi-energy systems such as the energy hub. However, it is usually challenged by the frequently changing and unpredictable uncertainties at different timescales. Under…

Computational Engineering, Finance, and Science · Computer Science 2022-03-03 Jiaxin Cao , Bo Yang , Shanying Zhu , Chi Yung Chung , Xinping Guan

Many HPC applications can be expressed as mixed-mode computations, in which each node of a computational DAG is itself a parallel computation that can be molded at runtime to allocate different amounts of processing resources. At the same…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-07-10 Agnes Rohlin , Henrik Fahlgren , Miquel Pericas

Many modern schedulers can dynamically adjust their service capacity to match the incoming workload. At the same time, however, unpredictability and instability in service capacity often incur operational and infrastructure costs. In this…

Optimization and Control · Mathematics 2020-05-12 Yorie Nakahira , Andres Ferragut , Adam Wierman

Interconnection networks of parallel systems are used for servicing traf- fic generated by different applications, often belonging to different users. When multiple traffic flows contend for channel bandwidth, the scheduling algorithm…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-06-02 Zhuang Wang , Xiao Lv , Mingyu Yan , Wei Yang , Ge Li

A variety of hybrid analog-digital beamforming architectures have recently been proposed for massive multiple-input multiple-output (MIMO) systems to reduce energy consumption and the cost of implementation. In the analog processing network…

Information Theory · Computer Science 2019-08-28 Nhan Thanh Nguyen , Kyungchun Lee

Modern switches have packet processing capacity of up to multi-tera bits per second, and they are also becoming more and more programmable. We seek to understand whether the programmability can translate packet processing capacity to…

Networking and Internet Architecture · Computer Science 2018-03-06 Li Chen , Ge Chen , Justinas Lingys , Kai Chen

This paper considers the downlink traffic from a base station to two different clients. When assuming infinite backlog, it is known that inter-session network coding (INC) can significantly increase the throughput of each flow. However, the…

Networking and Internet Architecture · Computer Science 2014-10-08 Wei-Cheng Kuo , Chih-Chun Wang

As a promising implementation model of payment channel network (PCN), payment channel hub (PCH) could achieve high throughput by providing stable off-chain transactions through powerful hubs. However, existing PCH schemes assume hubs…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-01 Lingxiao Yang , Xuewen Dong , Sheng Gao , Qiang Qu , Xiaodong Zhang , Wensheng Tian , Yulong Shen

We consider a multicast scenario involving an ad hoc network of co-channel MIMO nodes in which a source node attempts to share a streaming message with all nodes in the network via some pre-defined multi-hop routing tree. The message is…

Information Theory · Computer Science 2012-01-04 Feng Jiang , Jianqi Wang , A. Lee Swindlehurst

We propose a disruptive paradigm to actively place and schedule TWhrs of parallel AI jobs strategically on the grid, at distributed, grid-aware high performance compute data centers (HPC) capable of using their massive power and energy load…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-08 Scott C Evans , Nathan Dahlin , Ibrahima Ndiaye , Sachini Piyoni Ekanayake , Alexander Duncan , Blake Rose , Hao Huang

In this paper, we propose a distributed throughput-optimal ad hoc wireless network scheduling algorithm, which is motivated by the celebrated simplex algorithm for solving linear programming (LP) problems. The scheduler stores a sparse set…

Information Theory · Computer Science 2016-11-17 Qiao Li , Rohit Negi

A power optimal scheduling algorithm that guarantees desired throughput and bounded delay to each user is developed for fading multi-access multi-band systems. The optimization is over the joint space of all rate allocation and coding…

Information Theory · Computer Science 2007-07-13 Prasanna Chaporkar , Kimmo Kansanen , Ralf R. Müller

This paper considers a cost minimization problem for data centers with N servers and randomly arriving service requests. A central router decides which server to use for each new request. Each server has three types of states (active, idle,…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-12-20 Xiaohan Wei , Michael J. Neely

Massive multiple-input multiple-output (MIMO) is expected to be a vital component in future 5G systems. As such, there is a need for new modeling in order to investigate the performance of massive MIMO not only at the physical layer, but…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Emma Fitzgerald , Michał Pióro , Fredrik Tufvesson