Digital transmission method for bandwidth and bit rate flexibility
OwnerJosef Dirrinventor
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Abstract
The invention relates to AC coding. The phase angle or the duration of pulses are marked by half-periods or periods and are then provided as stages. The aim of the present invention is to flexibly adjust the bandwidths and bit rates. The number of filler elements that are allocated to the active code elements is increased or reduced. Bit rate flexibility is obtained by increasing or reducing the positions or stages or by configuring the code elements of virtual code words in a serial manner in relation to code words for transmitting information, whereby said code elements are arranged in parallel.
Claims10
A digital transmission method for band width and bit rate flexibility characterised in that provided for the transmission is a virtual code word (FIG. 13, I—1p to 12p) which is transmitted with any code (for example 4 PSK, QAM or the code according to the invention), in that case serially formed by each parallel code element (FIG. 13, 1p to 12p) of the virtual code word is a channel (FIG. 13, 1-12) whose code elements or code words is associated with a respective kind of information to be transmitted (for example speech 8 bit—1p, I+II+III+IV+I+II+III+IV), wherein code words with a different number of bits can also be associated with the channels or the code elements of two or more channels can also be combined to form a code word.
A digital transmission method for band width and bit rate flexibility in which for encoding of the information an alternating current of a frequency and phase position is provided sent in an uninterrupted sequence and in which the stages are represented by a number of different magnitude or a duration of different magnitude and/or by various phase positions of pulses, by the half-periods or periods of a periodic sequence, for example an alternating current, characterised in that a change in band width is effected by the number of filling elements (FIG. 5, 1-10) associated with the active determining code elements (FIG. 5—1,2 (11, 12)-123 (11, 12, 13) being reduced or increased.
A digital transmission method for band width and bit rate flexibility in which for encoding of the information an alternating current of a frequency and phase position is provided sent in an uninterrupted sequence and in which the stages are represented by a number of different magnitude or a duration of different magnitude and/or by various phase positions of pulses, by the half-periods or periods of a periodic sequence, for example an alternating current, characterised in that switching-over to a different code word bit number is effected by a reduction in places and/or stages or by an increase in places and/or stages, by the half-periods or periods in one or more encoding alternating currents of the same or different frequencies, wherein besides the parallel arrangement of the code elements they can also be arranged serially or parallel/serially.
Dependencies are inferred from the claim text.