Patent ID: 8958464
Filing Date: 2015-02-17
Classification: H04B,H04L

Abstract:
1. A method of powerline communications (PLC), comprising: compiling a data frame for a physical layer (PHY) by a first communications device at a first communications node on a powerline of a PLC network, said data frame including a single tone PHY header portion and a data payload portion in a set of tones including at least one tone having a frequency different from a frequency of said single tone; wherein said PHY header portion includes tone mask identification information identifying said set of tones, said tone mask identification is provided in a tone mask field within said PHY header portion which represents a data tone mask as a bit map; said first communications device transmitting said data frame over said powerline to a second communications device at a second communications node on said powerline, said second communications device receiving said data frame, and said second communications device decoding said data payload portion using said tone mask identification information.