PHY clock synchronization in a BPL network

Details PHY clock synchronization in a BPL network PHY clock synchronization in a BPL network

2011-01-18

2011-01-18

Wang, Ted M (Department: 2611)

Pulse or digital communications

Synchronizers

C375S295000, C375S316000, C375S356000, C375S364000

Reexamination Certificate

active

07873129

ABSTRACT:
A method and a communication modem for broadband communication over power transmission lines. The modem includes a coarse level synchronization mapping unit which maintains a regularly updated coarse level clock synchronization map of neighboring communication units with which it is likely to exchange communications; and a second level synchronization unit which utilizes session handshakes and session data capacity to increase the synchronization level with a neighboring communication unit to allow a communication session to be held at a higher modulation level than the coarse level synchronization is able to support.

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