Coding method for mixed recursion lattice space-time code
A space-time coding and grid technology, applied in the field of space-time coding, to achieve the effect of improving coding gain and anti-fading performance, and improving the overall product distance
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[0040] refer to figure 1 , the serial cascaded lattice space-time coding system of the present invention includes: a transmitting unit 10 and a receiving unit 11 . Wherein, the transmitting unit 10 includes an outer code encoder 100 and an inner code encoder 102 ; the receiving unit 11 includes an outer code decoder 112 and an inner code decoder 110 . The inner code encoder 102 uses the hybrid recursive trellis space-time code (HSR-STTC) as the inner code to perform space-time encoding, and correspondingly, the inner code decoder 110 also uses the hybrid recursive trellis space-time code as the inner code to perform space-time encoding. decoding. Furthermore, the outer code encoder 100 is a low density check code (LDPC) encoder, and the outer code decoder 112 is a low density check code (LDPC) decoder. The working process of the system is as follows: at the sending end, through the sending unit, the information sequence t is subjected to outer code encoding and interleaving...
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