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Supporting ultra-reliable low-latency communications (URLLC) is a major challenge of 5G wireless networks. Stringent delay and reliability requirements need to be satisfied for both scheduled and non-scheduled URLLC traffic to enable a…

Networking and Internet Architecture · Computer Science 2019-01-15 Amin Azari , Mustafa Ozger , Cicek Cavdar

Interference mitigation is a major design challenge in wireless systems,especially in the context of ultra-reliable low-latency communication (URLLC) services. Conventional average-based interference management schemes are not suitable for…

Information Theory · Computer Science 2020-09-22 Nurul Huda Mahmood , Onel Alcaraz Lopez , Hirley Alves , Matti Latva-aho

In this letter, we analyze the achievable rate of ultra-reliable low-latency communications (URLLC) in a randomly modeled wireless network. We use two mathematical tools to properly characterize the considered system: i) stochastic geometry…

Information Theory · Computer Science 2019-10-31 Jeonghun Park

Collisions are a main cause of throughput degradation in Wireless LANs. The current contention mechanism for these networks is based on a random backoff strategy to avoid collisions with other transmitters. Even though it can reduce the…

Networking and Internet Architecture · Computer Science 2014-10-30 Luis Sanabria-Russo , Francesco Gringoli , Jaume Barcelo , Boris Bellalta

Efficient radio spectrum utilization and low energy consumption in mobile devices are essential in developing next generation wireless networks. This paper presents a new medium access control (MAC) mechanism to enhance spectrum efficiency…

Networking and Internet Architecture · Computer Science 2016-11-15 Kamal Rahimi Malekshan , Weihua Zhuang , Yves Lostanlen

To support Ultra-Reliable and Low Latency Communications (URLLC) is an essential character of the 5th Generation (5G) communication system. Unlike the other two use cases defined in 5G, e.g. enhanced Mobile Broadband (eMBB) and massive…

Signal Processing · Electrical Eng. & Systems 2022-06-01 Yuehong Gao , Changhao Sun , Xiaonan Zhang , Xiao Hong

The future connectivity landscape and, notably, the 5G wireless systems will feature Ultra-Reliable Low Latency Communication (URLLC). The coupling of high reliability and low latency requirements in URLLC use cases makes the wireless…

Over the past decade we have witnessed a rapid growth and development in wireless communication systems, to the point that conventional spectrum allocation policies may not be able to fulfill them all. Federal Communications Commission…

Networking and Internet Architecture · Computer Science 2013-02-11 Armin Banaei , Costas N. Georghiades

Ensuring ultra-reliable and low-latency communication (URLLC) for 5G wireless networks and beyond is of capital importance and is currently receiving tremendous attention in academia and industry. At its core, URLLC mandates a departure…

Information Theory · Computer Science 2018-08-24 Mehdi Bennis , Mérouane Debbah , H. Vincent Poor

An important ingredient of the future 5G systems will be Ultra-Reliable Low-Latency Communication (URLLC). A way to offer URLLC without intervention in the baseband/PHY layer design is to use interface diversity and integrate multiple…

Information Theory · Computer Science 2017-11-22 Jimmy J. Nielsen , Rongkuan Liu , Petar Popovski

With increasing density and heterogeneity in unlicensed wireless networks, traditional MAC protocols, such as carrier-sense multiple access with collision avoidance (CSMA/CA) in Wi-Fi networks, are experiencing performance degradation. This…

Networking and Internet Architecture · Computer Science 2024-06-05 Jiantao Xin , Wei Xu , Bin Cao , Taotao Wang , Shengli Zhang

Future 5G cellular networks supporting ultra-reliable, low-latency communications (URLLC) could employ random access communication to reduce the overhead compared to scheduled access techniques used in 4G networks. We consider a wireless…

Information Theory · Computer Science 2018-06-06 Derya Malak , Howard Huang , Jeffrey G. Andrews

By combining the features of CSMA and TDMA, fully decentralised WLAN MAC schemes have recently been proposed that converge to collision-free schedules. In this paper we describe a MAC with optimal long-run throughput that is almost…

Networking and Internet Architecture · Computer Science 2013-09-19 Minyu Fang , David Malone , Ken R. Duffy , Douglas J. Leith

High reliability guarantees for Ultra-Reliable Low-Latency Communications (URLLC) require accurate knowledge of channel statistics, used as an input for rate selection. Exploiting the spatial consistency of channel statistics arises as a…

Information Theory · Computer Science 2022-09-23 Tobias Kallehauge , Anders E. Kalør , Pablo Ramírez-Espinosa , Maxime Guillaud , Petar Popovski

We consider the problem of allocating 5G radio resources over wireless communication links to control a series of independent low-latency wireless control systems common in industrial settings. Each control system sends state information to…

Signal Processing · Electrical Eng. & Systems 2019-10-31 Mark Eisen , Mohammad M. Rashid , Alejandro Ribeiro , Dave Cavalcanti

The fifth generation (5G) of wireless systems holds the promise of supporting a wide range of services with different communication requirements. Ultra-reliable low-latency communications (URLLC) is a generic service that enables…

Signal Processing · Electrical Eng. & Systems 2018-03-14 Hamidreza Shariatmadari , Sassan Iraji , Riku Jantti , Petar Popovski , Zexian Li , Mikko A. Uusitalo

Ultra-reliability and low-latency are pivotal requirements of the new 6th generation of communication systems (xURLLC). Over the past years, to increase throughput, adaptive active antennas were introduced in advanced wireless…

This letter proposes a novel random medium access control (MAC) based on a transmission opportunity prediction, which can be measured in a form of a conditional success probability given transmitter-side interference. A transmission…

Networking and Internet Architecture · Computer Science 2019-12-16 Jinho Choi , Seung-Woo Ko , Koji Yamamoto , Seong-Lyun Kim

LTE random access procedure performs satisfactorily in case of asynchronous, uncorrelated traffic arrivals. However, when the arrivals are correlated and arrive synchronously, the performance of the random access channel (RACH) is…

Information Theory · Computer Science 2014-10-27 Germán Corrales Madueño , Čedomir Stefanović , Petar Popovski

This paper proposes a unified semi-blind detection framework for sourced and unsourced random access (RA), which enables next-generation ultra-reliable low-latency communications (URLLC) with massive devices. Specifically, the active…

Information Theory · Computer Science 2023-03-21 Malong Ke , Zhen Gao , Mingyu Zhou , Dezhi Zheng , Derrick Wing Kwan Ng , H. Vincent Poor
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