FIELD: radio engineering, communication.
SUBSTANCE: in an adaptive coder of a 3D dimension hypercode, comprising a unit of parity check of a k-digit combination, the first output of which is connected to an input of a counter-distributor, and (k+1) outputs of this counter-distributor are connected to identical inputs of a register of vertical checks, additionally the following components are introduced: a buffer of incoming information, a counter-distributor for (k+1)2 cycles, a summator of 3D checks, a storage of 3D checks, a unit of request dedication and a control unit. In case of good conditions of transfer the redundancy related to 3D checks is not transferred and is stored in the coder's memory. When a request arrives from a receiver for introduction of additional redundancy, 3D checks are delivered to the receiver for decoding of a previously accepted code vector under conditions of higher correcting capacity of a code.
EFFECT: improved validity and speed of information transfer.
1 dwg
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Authors
Dates
2013-04-27—Published
2011-11-18—Filed