MIMO Power Line Communications

2

Narrowband Characterisation in an Office Environment

Klaus Dostert, Martin Sigle and Wenqing Liu

CONTENTS

2.1    Modelling NB-PLC Channels

2.2    Measurement of Channel Parameters

2.3    Noise Scenario

2.3.1    Overview

2.3.2    Narrowband Interferers

2.3.2.1    Estimation of the Noise Powers

2.3.2.2    Reconstruction of Noise Waveforms

2.3.2.3    Modelling Noise Envelope

2.3.3    Swept-Frequency Noise

2.3.3.1    Typical Waveform and STFT

2.3.3.2    Origin of SFN

2.3.4    Impulsive Noise

2.3.5    Coloured Background Noise

2.4    Channel Attenuation

2.5    Signal-to-Noise Ratio

2.6    Access Impedance

2.7    Conclusion

References

Reliable communication plays a key role in Smart Grid applications like value-added services, distribution automation, ...