Patent ID: 9660770
Date: 2017-05-23
CPC Classifications: H04L

Claim:
1. A method for communicating data transmission units (DTUs) between devices, the DTUs containing a bit stream that is divided among a plurality of discrete physical frames, each physical frame is of a definite number of symbols in duration, each symbol is associated with at least one sub carrier in a plurality of sub carriers, the physical frame is partitioned in time into at least an uplink zone and a downlink zone, the method comprising the procedure of: allocating, by at least one of said devices, a logical frame in said bit stream, said logical frame having a logical frame start position that is offset from a reference symbol, said reference symbol is selected from said definite number of symbols; and synchronizing reception of said DTUs at a receiver end, according to said logical frame start position; wherein said logical frame extends in time to coincide with at least part of the duration of said physical frame and at least part of the duration of another physical frame in said plurality of discrete physical frames.