Method and device for transmitting hierarchical data

Details Method and device for transmitting hierarchical data Method and device for transmitting hierarchical data

2006-06-06

2006-06-06

Pham, Brenda (Department: 2664)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Particular set of orthogonal functions

C370S210000

Reexamination Certificate

active

07058005

ABSTRACT:
In a data transmission method, said data are organized in blocks of K frames, each of said frames being composed of N binary words, each of these binary words being associated with an “elementary symbol”. Each of the M=K·N elementary symbols per block modulates a different sub-carrier amongst a series of sub-carriers forming an OFDM modulation, the allocation of each elementary symbol to a given sub-carrier being effected so that, when the OFDM signal is demodulated after it is received, a chosen subset is extracted from amongst said K frames. Application to the transmission of data representing compressed images in accordance with the JPEG2000 standard.

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