Wireless

Wireless / Featured Blogs

5G for Fixed Connectivity in Cuba

ETECSA reports that over 110,100 Cuban households have DSL connectivity using their Nauta Hogar service. There are also shared facilites – 986 WiFi hotspots (127 in Havana) and 347 Navigation Rooms (44 in Havana) with 1,309 computers (304 in Havana). These services are dead-ends on the road to hoped-for "computerization." The Cuban population is around 11 million so, after three years, roughly one person in 100 lives in a Nauta home and the services are limited geographically... more

Do Cable Companies Have a Wireless Advantage?

The big wireless companies have been wrangling for years with the issues associated with placing small cells on poles. Even with new FCC rules in their favor, they are still getting a lot of resistance from communities. Maybe the future of urban/suburban wireless lies with the big cable companies. Cable companies have a few major cost advantages over the wireless companies, including the ability to bypass the pole issue. The first advantage is the ability to deploy mid-span cellular small cells. more

Trump’s Strange WRC-19 Letter

The 2019 World Radiocommunication Conference (WRC-19) is underway. It is the latest in a continuum of treaty-making gatherings that began in 1903 and is devoted to the now 116-year-old art of globally carving up the radio spectrum among designated uses that is instantiated in the Radio Regulations treaty agreement. Not unexpectedly, the event includes designation of 5G spectrum that flows from the requirements long set in 3GPP and GSMA. more

What to Expect From SpaceX Starlink Broadband Service Next Year and Beyond

Last May, SpaceX founder Elon Musk tweeted "6 more launches of 60 sats needed for minor coverage, 12 for moderate" and SpaceX President and CEO Gwynne Shotwell recently said they planned to be offering service in parts of the US in mid-2020, which would require six to eight 60-satellite launches. The first of those launches will be in the middle of this month on a thrice-flown Falcon 9 booster. (They will also need customer terminals and Elon Musk has used a prototype to post a tweet from his home). more

Be Wary of 5G Hardware

We've now entered the period of 5G competition where the wireless carriers are trying to outdo each other in announcing 5G rollouts. If you believe the announcements, you'd think 5G is soon going to be everywhere. Device manufacturers are joining the fray and are advertising devices that can be used with the early carrier 5G products. Buyers beware -- because most of what the cellular companies and the manufacturers are hyping as 5G is not yet 5G. more

The Myth of 5G and Driverless Cars

A colleague sent me an article that had been published earlier this year in MachineDesign magazine that predicts that driverless cars can't be realized until we have a ubiquitous 5G network. When looking for the original article on the web I noticed numerous similar articles like this one in Forbes that have the same opinion. These articles and other similar articles predict that high-bandwidth, low-latency 5G networks are only a few years away. more

Happy Birthday Wi-Fi

This year is the twentieth anniversary of the formation of the Wi-Fi Alliance and the launch of commercial Wi-Fi. Wi-Fi has become so ubiquitous in our lives that it's hard to believe that it's only been twenty years since all broadband connections came with wires. In 1999 most people were still using dial-up, and that's the year when early adapters started buying DSL. I remember having incredibly long phone cords so that I could use my laptop at different places around the house. more

Ren to Donald Trump: Take Our 5G, Please

Ren Zhengfei tells the Economist and the NY Times he is prepared to give the US essentially everything the President has asked, including the crown jewels: the complete design and source code of Huawei's 5G system. Ren would "license the entire Huawei 5G platform to any American company that wants to manufacture it and install it and operate it, completely independent of Huawei." more

Unlicensed Millimeter Wave Spectrum

I haven't seen it talked about a lot, but the FCC has set aside millimeter wave spectrum that can be used by anybody to provide broadband. That means that entities will be able to use the spectrum in rural America in areas that the big cellphone companies are likely to ignore. The FCC set aside the V band (60 GHz) as unlicensed spectrum. This band provides 14 GHz of contiguous spectrum available for anybody to use. This is an interesting spectrum because it has a few drawbacks. more

Inter-Satellite Laser Link Update

Inter-satellite laser links (ISLLs) and electronically steerable flat panel antennas are critical technologies for constellations of low-Earth orbit (LEO) Internet-service satellites. Low-cost antennas are critical for the mass consumer market, and ISLLs are required for an effective Internet backbone in space. In an earlier post, we saw that progress is being made on antennas; this one looks at ISLLs. more