Achieving Ultra-Low Latency in 5G Millimeter Wave Cellular Networks

Ford, Russell; Zhang, Menglei; Mezzavilla, Marco; Dutta, Sourjya; Rangan, Sundeep; Zorzi, Michele

doi:10.1109/mcom.2017.1600407cm

Cited by 159 publications

(104 citation statements)

References 21 publications

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“…In fact, SDN fits all network pieces together, in the wired and wireless domains, to deliver innovative network solutions for improved ETE performance for 5G applications. In Ford et al (2017), for example, the authors proposed an SDN-based programmable cross-layer optimization framework to ensure the fulfillment of the ETE latency requirement for safety applications in 5G-based ITS, where autonomous vehicles communicate over millimeter-wave (mmWave) channels. Because the mmWave suffers from a limited communication range, high sensitivity to physical obstacles and severe degradation due to climate variations, a smart coordination, and management scheme for mmWave stations has been proposed.…”

Section: Sdn For 5g Network and Beyondmentioning

confidence: 99%

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The wireless control plane: An overview and directions for future research

Mazied

ElNainay

Abdel-Rahman

et al. 2019

Journal of Network and Computer Applications

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Software-defined networking (SDN), which has been successfully deployed in the management of complex data centers, has recently been incorporated into a myriad of 5G networks to intelligently manage a wide range of heterogeneous wireless devices, software systems, and wireless access technologies. Thus, the SDN control plane needs to communicate wirelessly with the wireless data plane either directly or indirectly. The uncertainties in the wireless SDN control plane (WCP) make its design challenging. Both WCP schemes (direct WCP, D-WCP, and indirect WCP, I-WCP) have been incorporated into recent 5G networks; however, a discussion of their design principles and their design limitations is missing. This paper introduces an overview of the WCP design (I-WCP and D-WCP) and discusses its intricacies by reviewing its deployment in recent 5G networks. Furthermore, to facilitate synthesizing a robust WCP, this paper proposes a generic WCP framework using deep reinforcement learning (DRL) principles and presents a roadmap for future research.

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Section: Sdn For 5g Network and Beyondmentioning

confidence: 99%

“…Each category introduces an amount of CP delay that contributes to the ETE delay for 5G apps Ford et al (2017). In I-WCP, the CP's delay includes the SDN controller's queuing delay, the MWDP's queuing delay, a two-hop propagation delay, and a retransmission delay over the wireless channels.…”

Section: The Wireless Cpmentioning

confidence: 99%

The wireless control plane: An overview and directions for future research

Mazied

ElNainay

Abdel-Rahman

et al. 2019

Journal of Network and Computer Applications

View full text Add to dashboard Cite

show abstract

“…5G networks should enable "zero latency" [103] represented by the millisecond level of E2E latency [16,26,27,213] through significant enhancements and new technology in architecture aspects [6,28,214], such as device-to-device (D2D) communication [5]. The IoT applications associated with uMTC monitoring and managing/controlling activities require low latency, as they tend to be real time.…”

Section: Latencymentioning

confidence: 99%

“…5G must bring a reliability of 99,999% [27,30,31,212], or higher for specific use cases [212], (e.g., tele-protection in a smart grid network [207] or driverless cars [106]). Reliability is the main characteristic of uMTC monitoring and managing/controlling activities.…”

Section: Reliabilitymentioning

confidence: 99%

IoT’s Tiny Steps towards 5G: Telco’s Perspective

Cero¹,

Husić

Baraković

2017

Symmetry

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Abstract:The numerous and diverse applications of the Internet of Things (IoT) have the potential to change all areas of daily life of individuals, businesses, and society as a whole. The vision of a pervasive IoT spans a wide range of application domains and addresses the enabling technologies needed to meet the performance requirements of various IoT applications. In order to accomplish this vision, this paper aims to provide an analysis of literature in order to propose a new classification of IoT applications, specify and prioritize performance requirements of such IoT application classes, and give an insight into state-of-the-art technologies used to meet these requirements, all from telco's perspective. A deep and comprehensive understanding of the scope and classification of IoT applications is an essential precondition for determining their performance requirements with the overall goal of defining the enabling technologies towards fifth generation (5G) networks, while avoiding over-specification and high costs. Given the fact that this paper presents an overview of current research for the given topic, it also targets the research community and other stakeholders interested in this contemporary and attractive field for the purpose of recognizing research gaps and recommending new research directions.

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“…Delayoptimal scheduling in multihop networks with random connectivity is an open problem and has eluded researchers even for very simple models. Low-latency communications have recently attracted much attention in upcoming 5G (5th-generation) communication networks [4]. There exist many 5G applications which require extremely low latency, for example, autonomous vehicles, remote surgery, and automated factories.…”

Section: Introductionmentioning

confidence: 99%

Delay‐Optimal Scheduling for Two‐Hop Relay Networks with Randomly Varying Connectivity: Join the Shortest Queue‐Longest Connected Queue Policy

Baek¹,

Park

2017

Mathematical Problems in Engineering

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We consider a scheduling problem for a two-hop queueing network where the queues have randomly varying connectivity. Customers arrive at the source queue and are later routed to multiple relay queues. A relay queue can be served only if it is in connected state, and the state changes randomly over time. The source queue and relay queues are served in a time-sharing manner; that is, only one customer can be served at any instant. We propose Join the Shortest Queue-Longest Connected Queue (JSQ-LCQ) policy as follows: (1) if there exist nonempty relay queues in connected state, serve the longest queue among them; (2) if there are no relay queues to serve, route a customer from the source queue to the shortest relay queue. For symmetric systems in which the connectivity has symmetric statistics across the relay queues, we show that JSQ-LCQ is strongly optimal, that is, minimizes the delay in the stochastic ordering sense. We use stochastic coupling and show that the systems under coupling exist in two distinct phases, due to dynamic interactions among source and relay queues. By careful construction of coupling in both phases, we establish the stochastic dominance in delay between JSQ-LCQ and any arbitrary policy.

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Achieving Ultra-Low Latency in 5G Millimeter Wave Cellular Networks

Cited by 159 publications

References 21 publications

The wireless control plane: An overview and directions for future research

The wireless control plane: An overview and directions for future research

IoT’s Tiny Steps towards 5G: Telco’s Perspective

Delay‐Optimal Scheduling for Two‐Hop Relay Networks with Randomly Varying Connectivity: Join the Shortest Queue‐Longest Connected Queue Policy

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