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Carrier aggregation has allowed operators to tap into noncontiguous blocks of licensed spectrum, as well as unlicensed frequencies like the 5 GHz band, to create bigger data bites and significantly improve LTE coverage. 5G networks, which were designed from the ground up to support all manner of spectrum aggregation and sharing, are today tightly linked to LTE networks and a technology called dual connectivity is allowing operators to supercharge non-standalone 5G. Non-standalone 5G networks rely on an LTE core and radio access network with the addition of a 5G carrier whereas standalone ...
Release time: 2019 - 08 - 14
Views:3
Sales of optical transceivers declined “just” 3% in 2018, according to LightCounting. The market research firm said the small decline was a positive result, considering the volatility the market experienced last year, with demand from telecom and datacom sources “out of phase.” Telecom demand was down while datacom module demand, particularly Ethernet optics, was up in the first half of the year, LightCounting points out. The two markets switched direction in the second half, however (see chart above). Meanwhile, sales of wavelength-selective switch (WSS) modules, EDFAs, pump lasers, and ...
Release time: 2019 - 03 - 28
Views:24
January 10, 2019Author Stephen Hardy  Editorial Director and Associate PublisherHuawei has unveiled the CloudEngine 16800, a high-capacity data center switch that the company asserts will leverage artificial intelligence to improve performance. The latest member of the CloudEngine family, the CloudEngine 16800 will have three characteristics that define what Huawei calls “the Artificial Intelligence (AI) era”: an embedded artificial intelligence chip, support of 48-port 400 Gigabit Ethernet (400GbE) line cards, and the ability to help enable autonomous networks. "...
Release time: 2019 - 01 - 10
Views:19
Auctions of 5G-suitable spectrum have generated about $9 billion (and counting) for governments in the last three months of the year alone. Governments are hoping to see billions of dollars more spent on spectrum in 2019, and again in 2020 and 2021, as they free up spectrum for the provision of 5G services.Meanwhile vendors are waiting on a different bounty -- the many billions of dollars operators worldwide will need to spend to realize their 5G ambitions.Vendors have suffered a lean period while operators have waited on 5G specifications, equipment readiness and availability of spectrum for ...
Release time: 2018 - 12 - 25
Views:28
THE 400G ETHERNET RAMP ABOUT RADIX AS MUCH AS BANDWIDTHThe appetite for network bandwidth is insatiable, as is that of compute and storage, but our enthusiasm to acquire larger and larger chunks of all of these things is curtailed significantly by cost. If the cost per bit per second comes down fast, and the timing is right, then shifting to a higher bandwidth is relatively easy. This has been happening with 100 Gb/sec Ethernet for more than a year now, and the prospects are pretty high that it will start happening for 400 Gb/sec Ethernet in 2019 and really kick in during 2020.But this is not ...
Release time: 2018 - 10 - 26
Views:28
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