AT & T is preparing to launch the Internet via power lines
AT & T announced the start of a test of a data transmission project using power lines. Representatives of the company are convinced that the project called AirGig will provide high-speed multi-gigabit Internet with much lower costs and a larger area.
/ Flickr / Bruce Guenter / CC
The power cables will serve as bridges for Internet traffic plying between cell towers organizing 4G / LTE and 5G networks. According to company representatives, the technology will be useful for people living far from megalopolises, for example, on farms or in mountain towns. Moreover, it is much easier to hold such an Internet - no need to dig roads and trenches for laying cables.
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Telecommunication operators have been trying to launch such services for several years, but they have always faced a serious limitation — low data transfer speeds. AT & T solved the problem by adding cheap wireless plastic repeaters to the system, which will achieve speeds of several gigabits.
The principle of operation of the AirGig solution is presented in this patent , issued in October 2015. It describes the process of transmitting information over power lines at a frequency of 30 GHz to 300 GHz.
From US9154966B2
The distributed antenna system includes several base stations (504) placed on poles, which can independently provide a network connection for mobile devices (522, 524), and also broadcast the signal to antennas (512, 514) placed on adjacent poles.
To transmit a signal over power cables, the matching device (506) converts it into millimeter-wave waves and transmits receivers (508), which amplify it and direct it further. Receivers also “extract” the original frequency and spread information using antennas.
Diversity channels can be implemented in the system when several wires are pulled through the pillars. Depending on the environmental conditions, the transmission quality may drop, so connecting devices will be able to select a clearer signal based on the signal-to-noise ratio or other information, such as rain sensors, weather forecasts, etc.
AT & T states that two test networks will be launched this year.
Here are some more materials from our blog:
/ Flickr / Bruce Guenter / CCThe power cables will serve as bridges for Internet traffic plying between cell towers organizing 4G / LTE and 5G networks. According to company representatives, the technology will be useful for people living far from megalopolises, for example, on farms or in mountain towns. Moreover, it is much easier to hold such an Internet - no need to dig roads and trenches for laying cables.
')
Telecommunication operators have been trying to launch such services for several years, but they have always faced a serious limitation — low data transfer speeds. AT & T solved the problem by adding cheap wireless plastic repeaters to the system, which will achieve speeds of several gigabits.
The principle of operation of the AirGig solution is presented in this patent , issued in October 2015. It describes the process of transmitting information over power lines at a frequency of 30 GHz to 300 GHz.
The distributed antenna system includes several base stations (504) placed on poles, which can independently provide a network connection for mobile devices (522, 524), and also broadcast the signal to antennas (512, 514) placed on adjacent poles.
To transmit a signal over power cables, the matching device (506) converts it into millimeter-wave waves and transmits receivers (508), which amplify it and direct it further. Receivers also “extract” the original frequency and spread information using antennas.
Diversity channels can be implemented in the system when several wires are pulled through the pillars. Depending on the environmental conditions, the transmission quality may drop, so connecting devices will be able to select a clearer signal based on the signal-to-noise ratio or other information, such as rain sensors, weather forecasts, etc.
AT & T states that two test networks will be launched this year.
Here are some more materials from our blog:
- How to use QoS to ensure the quality of Internet access
- Subscriber identification in a Wi-Fi network by phone number
- Limiting the amount of data downloaded by the subscriber - QoS or profit?
- Library of the administrator of systems for traffic analysis (DPI)
- Alerting the public in case of emergencies - a solution for telecom operators
- What's new in SCAT 6.0 “Sevastopol”
Source: https://habr.com/ru/post/319632/
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