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The indoor PLC (Power Line Communications) and VDSL2 (Very high bit-rate Digital Subscriber Line) technologies share the same frequency band up to 30 MHz. Behind the VDSL2 access network, the power line network is envisaged to be used like an home network in order to transit TV flows from the VDSL2 modem to the set-top-box. In many customer premises, power line cables are nearby telephone cables and...
PLC (Power Line Communications) and VDSL2 (Very high bit-rate Digital Subscriber Line) allow high bit-rate transmissions, through power line and copper pair respectively, but both technologies use the same frequency band. Consequently, these technologies could have to coexist in a home network inside the customer premises. This paper describes a theoretical analysis of the electromagnetic coupling...
The indoor PLC (Power Line Communications) and VDSL2 (Very high bit-rate Digital Subscriber Line) technologies share the same frequency band up to 30 MHz. Behind the VDSL2 access network, the power line network is envisaged to be used like an home network in order to transit TV flows from the VDSL2 modem to the set-top-box. In many customer premises, power line cables are nearby telephone cables and...
Within the ICT OMEGA project, a thorough study of the Electro Magnetic Compatibility (EMC) issues linked to Power Line Communications (PLC) has been conducted. In this paper, we present our investigations carried out in the context of a frequency bandwidth extension of PLC systems up to 100 MHz. The current status of EMC regulations for PLC is first recalled. An experimental study is then presented...
In the [1.8-30] MHz frequency band, EMC standards prohibit power line communications (PLC) to emit on the frequencies which could be used by HAM radio in order to protect them. This implies an transmit power restriction in these radio frequencies and consequently a throughput limitation. With the aim to increase the data rates, the solutions envisaged today consist in limiting the number of notched...
This article deals with some restrictions related to the electromagnetic emission issue in the Power Line Communications (PLC). The Homeplug AV specification [1] prohibits transmission on the frequencies used by HAM radio, in order to protect them. This technique, called "static notching", limits the transmit power and consequently the data rate of PLC systems. To limit the number of notched...
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