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A modulation method of using both an (in-phase) carrier wave and a ‘quadrature’ carrier wave that is 90° out of phase with the main, or in-phase, carrier.
- Corona Noise Considerations for Smart Grid Wireless Communication and Control Network Planning
As the wireless receiver sensitivity levels surpass thermal noise levels, reliable operation of smart grid Distributed Generating System (DGS) wireless communication and control devices demands consideration of the power line produced noise spectrum. The power line noise spectrum varies based on voltage and current of transmission lines and load characteristics. The electrical-noise environment is anticipated to be more severe in a DGS than in a Conventional Electrical Power System (CEPS) due to the frequent changes in power distribution routing.