Telecom and Networking

Comparison of Wireless Technologies (Bluetooth, WiFi, BLE, Zigbee, Z-Wave, 6LoWPAN, NFC, WiFi…

https://predictabledesigns.com/wireless_technologies_bluetooth_wifi_zigbee_gsm_lte_lora_nb-iot_lte-m/ Deciding what type of wireless technology your new product should use can be an overwhelming task. This article has organized the various wireless technologies into a groups based on functionality, data speed, and operating range. This is a long, very detailed article.

The next version of HTTP won’t be using TCP | Ars Technica

https://arstechnica.com/gadgets/2018/11/the-next-version-of-http-wont-be-using-tcp/ HTTP is switching to a protocol layered on top of UDP. Today’s HTTP (versions 1.0, 1.1, and 2) are all layered on top of TCP (Transmission Control Protocol). TCP isn’t particularly tuned for the kinds of scenarios that HTTP is used for. TCP requires a number of round trips between client and server to

LED lighting can disrupt radio communications | Southgate Amateur Radio News

http://www.southgatearc.org/news/2018/october/led-lighting-can-disrupt-radio-communications.htm#.W9XAslNyg0M Dutch amateur radio society VERON reports the current EMC standard, developed in the last century, no longer suffices. “The faulty LED lights disrupt wireless connections in and around the house. Radiocommunications Agency therefore starts an investigation into 50 LED lamp suppliers.” “A number of lamps do not appear to meet the EMC standard. Especially

Bye bye wired phone lines

Bye bye to traditional wired telephone lines in Finland. Telephone companies are increasingly removing wired phone lines, so phones are thrown out and phone connectors stay lonely unused on the wall. Wired phones are replaced with desk-phone looking cell phone. 4G data is sold as replacement for ADSL (some lucky ones can get fiber). In

AT&T Release Specifications to Help Build 5G Cell Sites

http://about.att.com/story/2018/5g_cell_specifications.html AT&T is releasing to the Open Compute Project detailed specifications for a cell site gateway router, following up on an earlier commitment. This “white box” blueprint is a reference design that any hardware maker can use as a guide to build these routers. AT&T plans to install them at tens of thousands of cell