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Seamless redundancy can be profitably exploited to improve predictability of wireless networks in general and, in particular, IEEE 802.11. According to this approach, packets are transmitted by senders on two (or more) channels at the same…

网络与互联网体系结构 · 计算机科学 2022-11-01 Gianluca Cena , Stefano Scanzio , Adriano Valenzano

Reliability and determinism of Wi-Fi can be tangibly improved by means of seamless redundancy, to the point of making this technology suitable for industrial environments. As pointed out in recent papers, the most benefits can be achieved…

网络与互联网体系结构 · 计算机科学 2022-11-18 Gianluca Cena , Stefano Scanzio , Adriano Valenzano

The adoption of wireless communications and, in particular, Wi-Fi, at the lowest level of the factory automation hierarchy has not increased as fast as expected so far, mainly because of serious issues concerning determinism. Actually,…

网络与互联网体系结构 · 计算机科学 2022-11-08 Gianluca Cena , Stefano Scanzio , Adriano Valenzano

Wireless communication is increasingly used in industrial environments, since it supports mobility of interconnected devices. Among the transmission technologies operating in unlicensed bands available to this purpose, Wi-Fi is certainly…

网络与互联网体系结构 · 计算机科学 2025-12-04 Gianluca Cena , Pietro Chiavassa , Stefano Scanzio

By removing wire harness, Wi-Fi is becoming increasingly pervasive in every aspect of our lives, in both the consumer and industrial worlds. Besides flexibility, the recent high efficiency and extremely high throughput versions managed to…

网络与互联网体系结构 · 计算机科学 2023-06-21 Gianluca Cena , Stefano Scanzio , Dave Cavalcanti , Valerio Frascolla

Spectrum scarcity is a prevalent problem in wireless networks due to the strict allotment of the spectrum (frequency bands) to licensed users by network regulatory bodies. Such an operation implies that the unlicensed users (secondary…

网络与互联网体系结构 · 计算机科学 2023-10-03 Nyashadzashe Tamuka , Khulumani Sibanda

The radio frequency (RF) spectrum becomes overly crowded in some indoor environments due to the high density of users and bandwidth demands. To accommodate the tremendous wireless data demands, efficient spectrum-sharing approaches are…

信息论 · 计算机科学 2015-11-02 Xin Tan , Zhi Sun , Josep M. Jornet , Dimitris Pados

Increasing capacity demands in emerging wireless technologies are expected to be met by network densification and spectrum bands open to multiple technologies. These will, in turn, increase the level of interference and also result in more…

网络与互联网体系结构 · 计算机科学 2018-11-27 Andra M. Voicu , Ljiljana Simić , Marina Petrova

Wireless devices need spectrum to communicate. With the increase in the number of devices competing for the same spectrum, it has become nearly impossible to support the throughput requirements of all the devices through current spectrum…

网络与互联网体系结构 · 计算机科学 2021-11-23 Aniq Ur Rahman , Mustafa A. Kishk , Mohamed-Slim Alouini

With significant increases in mobile device traffic slated for the foreseeable future, numerous technologies must be embraced to satisfy such demand. Notably, one of the more intriguing approaches has been blending on-device caching and…

网络与互联网体系结构 · 计算机科学 2016-05-16 Xueheng Hu , Aaron Striegel

The interference imposes a significant negative impact on the performance of wireless networks. With the continuous deployment of larger and more sophisticated wireless networks, reducing interference in such networks is quickly being…

网络与互联网体系结构 · 计算机科学 2011-03-31 Maaly Awad Hassan , Andrew Chickadel

Interference evaluation is crucial when deciding whether and how wireless technologies should operate. In this paper we demonstrate the benefit of risk-informed interference assessment to aid spectrum regulators in making decisions, and to…

网络与互联网体系结构 · 计算机科学 2017-06-09 Andra M. Voicu , Ljiljana Simić , J. Pierre de Vries , Marina Petrova , Petri Mähönen

In wireless communication, heterogeneous technologies such as WiFi, ZigBee and BlueTooth operate in the same ISM band.With the exponential growth in the number of wireless devices, the ISM band becomes more and more crowded. These…

网络与互联网体系结构 · 计算机科学 2017-07-03 Shuai Wang , Zhimeng Yin , Song Min Kim , Tian He

Wireless communication applications has acquired a vastly increasing range over the past decade. This rapidly increasing demand implies limitations on utilizing wireless resources. One of the most important resources in wireless…

信号处理 · 电气工程与系统科学 2019-04-01 Mohammadreza Mousaei

A significant portion of the radio frequency spectrum remains underutilized due to exclusive and static allocation of spectrum. Provisioning secondary access to the underutilized spectrum could be beneficial to the incumbents if they could…

计算机与社会 · 计算机科学 2014-07-29 Nilesh Khambekar , Chad M. Spooner , Vipin Chaudhary

The existence of considerable amount of redundancy in the Internet traffic at the packet level has stimulated the deployment of packet-level redundancy elimination techniques within the network by enabling network nodes to memorize data…

网络与互联网体系结构 · 计算机科学 2014-11-25 Ahmad Beirami , Mohsen Sardari , Faramarz Fekri

The next generation wireless systems will face stringent new requirements, including ultra-low latency, high data rates and enhanced reliability. Large Intelligent Surfaces, is one proposed solution that has the potential to solve these…

信号处理 · 电气工程与系统科学 2025-10-16 Lina Tinnerberg , Dumitra Iancu , Ove Edfors , Liang Liu , Juan Vidal Alegría

A statistical characterization of the fundamental performance bounds of an intelligent reflective surface (IRS) intended for aiding wireless communications is presented. To this end, the outage probability, average symbol error probability,…

信号处理 · 电气工程与系统科学 2020-02-14 Dhanushka Kudathanthirige , Dulaj Gunasinghe , Gayan Amarasuriya

Existing communication systems exhibit inherent limitations in translating theory to practice when handling the complexity of optimization for emerging wireless applications with high degrees of freedom. Deep learning has a strong potential…

网络与互联网体系结构 · 计算机科学 2020-05-14 Tugba Erpek , Timothy J. O'Shea , Yalin E. Sagduyu , Yi Shi , T. Charles Clancy

In September 2020, the Broadband Forum published a new industry standard for measuring network quality. The standard centers on the notion of quality attenuation. Quality attenuation is a measure of the distribution of latency and packet…

网络与互联网体系结构 · 计算机科学 2021-02-01 Bjørn Ivar Teigen , Neil Davies , Kai Olav Ellefsen , Tor Skeie , Jim Torresen
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