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Forums » FEMA Cites BPL Concerns » You've got to be kidding me
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n2jtx

join:2001-01-13
Glen Head, NY
·Optimum Online

 reply to TACSPEED
Re: You've got to be kidding me

said by TACSPEED See Profile:
Learning from the failures of Nor.Web approach, second generation PLC technologies are using techniques like OFDM, which substantially reduce the potential of interference to radio users, thanks to a decrease in transmitted power spectral density. The OFDM modulation spreads the signal over a very wide bandwidth, thus reducing the amount on power injected at a single frequency. Field trials of PLC technologies carried out during the last 2 years in Europe (Spain, Italy, Germany), North America, South America (Chile, Brazil) and Asia (Singapore) have shown that interference with radio users is no longer a problem for PLC.
In other words, rather than pollute just a few frequencies, we spread the noise across the entire spectrum thus raising the noise floor for everyone. Forget it. So far the only BPL system that looks good is the 5GHz system.
Forums » FEMA Cites BPL Concerns


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