System for the transmission of digital data in packets
First Claim
1. A system for the transmission of digital data in packets, comprising:
- transmission means able to form packets comprising a preamble formed more particularly from a timing recovery bit sequence followed by a combination of bits called a single word;
reception means more particularly comprising a decoder able to detect the presence of a single word in the signals received;
wherein;
(A) the transmission means is able to form single words taken in a group of words each having 2n bits and constituted by a word M of n bits between which are inserted the n bits of the complement word M, the bits of M being displaced relative to those of M by a number n of ranks, the choice of p defining the single word of the group;
(B) in the reception means there is only one single word detector and it functions with n bits, said detector being able to detect the displaced appearances of p ranks of words M and M on each bit sequence of even rank and uneven rank.
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Abstract
A system for the transmission of digital data in packets comprising transmission and reception means, wherein:
the transmission means are able to form single words taken in a group of words each having 2n bits and constituted by a word M of n bits between which are inserted the n bits of the complement word M, the bits of M being displaced relative to those of M by a number p of ranks, the choice of p defining a single word of the group;
in the reception means there is only one single word detector and it functions with n bits, said detector being able to detect the displaced appearances of p ranks of words M and M on each bit sequence of even rank and uneven rank.
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Citations
6 Claims
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1. A system for the transmission of digital data in packets, comprising:
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transmission means able to form packets comprising a preamble formed more particularly from a timing recovery bit sequence followed by a combination of bits called a single word; reception means more particularly comprising a decoder able to detect the presence of a single word in the signals received; wherein; (A) the transmission means is able to form single words taken in a group of words each having 2n bits and constituted by a word M of n bits between which are inserted the n bits of the complement word M, the bits of M being displaced relative to those of M by a number n of ranks, the choice of p defining the single word of the group; (B) in the reception means there is only one single word detector and it functions with n bits, said detector being able to detect the displaced appearances of p ranks of words M and M on each bit sequence of even rank and uneven rank. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification