There are dozens of wireless or radio standards with different combinations of spectrum, modulation, and service. Some have survived and others have faded away. Some new standards have been added like 5G and 802.11ax or Wi-Fi 6, but what standards or services have disappeared? Here’s my list of “forgotten” wireless technologies.
By now, you’ve certainly heard of the forthcoming fifth generation (5G) wireless technology. There’s a tremendous amount of hype about 5G as the various cellular operators try to pre-sell you on the new benefits and services. Commercial 5G services won’t go online until later this year, but we should see plenty of 5G action in 2020. For that reason, you’ll need to know more about 5G to understand what impact it will make on you and the world in general. Here’s a status report to bring you up to speed.