Patent ID: 6169749
Filing Date: 2001-01-02
Classification: H04J,H04L,H04Q

Abstract:
A method of sequencing a plurality of cells in a superframe consisting of a plurality of frames in a temporal sequence, the method comprising the steps of: (a) assigning one of the frames as a marker frame, the marker frame including a plurality of time multiplexed cells and a plurality of asynchronous cells; (b) assigning one of the time multiplexed cells in the marker frame as a marker cell, the marker cell including a plurality of header bytes and a plurality of payload bytes; and (c) coding the plurality of header bytes with header data, wherein the header data include: (i) a frame number for referencing the marker frame; (ii) a cell number for referencing the marker cell; (iii) a frame frequency marker; (iv) a time multiplexed cell indicator for indicating whether the marker cell is a time multiplexed cell; and (v) a packed mode indicator for indicating whether the marker cell is in a packed mode. wherein the plurality of header bytes comprise 40 bits sequenced consecutively from header bit 0 to header bit 39, the step of coding the plurality of header bytes including the step of assigning the cell number to header bits 4-7.