Security Business

JUL 2019

Find news and information for the executive corporate security director, CSO, facility manager and assets protection manager on issues of policy, products, incidents, risk management, threat assessments and preparedness.

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Page 22 of 108

22 Security Business / / July 2019 Tech Trends BY RAY COULOMBE The Promise of 5G Why integrators should be positioning themselves now to offer more cloud-based services in the future I am guessing there is a fair amount of mass confusion around the topic of 5G. Some might think it means 5 Gbps throughput; others might say it is 5 GHz transmission. Then, for those who believe the marketing hype, the services are here and now, prompting them to consider their next smartphone upgrade. So, let’s set the baseline – 5G represents the next major iteration of cellular wireless transmission, promising a huge leap in transmission speeds and opening up many new device and service capabilities. Fully realized 5G, however, involves several technologies and parts of the transmission spectrum, and full implementation is a ways off. Further, there is variation among the spectra used in different countries, some of whom, notably China, are further ahead in their deployments. In any event, expect a significant ramp up to occur in the 2020-2025 time period, when there will be nearly 200 million 5G connected mobile devices in the United States. Tech Details: Examining 5G Low-frequency 5G network technology uses existing cellular and Wi-Fi bands to improve on LTE, achieving speed increases of 25 to 50 percent. Since much of the needed infrastructure is in place, deployments may be faster and see similar nationwide coverage and coverage reliability to current LTE networks. T-Mobile plans to achieve 5G nationwide coverage by 2020, utilizing 600 MHz spectrum holdings it acquired in April 2017. Sprint holds more than 160 MHz of 2.5 GHz spectrum available in the top 100 US markets and is planning its use to provide 5G commercial services this year. Spectrum variations are dictated by the availability of low band (6 GHz) transmission bands and the distance and propagation limitations of higher frequency millimeter wave transmission. Propagation through objects decreases with increasing transmission frequency and thereby produces a trade-off in millimeter wave transmission between ultra-high data throughput speeds and the ability to penetrate walls and other objects. Higher speed millimeter wave networks are optimal for short range, low latency, and very high capacity transmissions for enhanced mobile broadband (eMBB), but with a more limited range and with limited indoor penetration. They are best suited to dense urban and other environments, where their beneficial features are required to properly service the demand; however, because of their limitations, many more base stations are needed, leading to the rise of the concept of “small cell” – a package of small footprint radio equipment and antennas that can be flexibly placed on structures such as poles, traffic lights, streetlights or building exteriors. Auction of the 28 GHz band started in November 2018 and was underway in January 2019. The 24 GHz band’s auction is expected to start after conclusion of the 28 GHz band auction. Furthermore, the FCC Chairman has announced an intention to auction the 37/39/47 GHz bands in fourth quarter of 2019. AT&T has initial deployments at 39 GHZ, followed by 28 GHz; Verizon 28 GHz; and T-Mobile 28 GHz. The FCC has also proposed a number of bands including 26 GHz, 32 GHz, 42 GHz, and 50 GHz for flexible use service, and 70 GHz and 80 GHz for fixed services. Expect low power millimeter-wave components to find their way into a variety of IoT solutions, given that so many of these solutions will be clustered, and thus amenable to short-range and mesh approaches. IP cameras streaming directly into the cloud to enable remote viewing and storage of high-quality, full-motion video is the obvious benefit. This will be given a nice nudge by H.265 compression, providing better resolution-bandwidth performance."

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