A Synthesizable IP Core for DVB-S2 LDPC Code Decoding
Proceedings of the conference on Design, Automation and Test in Europe - Volume 3
Low complexity LDPC code decoders for next generation standards
Proceedings of the conference on Design, automation and test in Europe
Iterative decoding for MIMO channels via modified sphere decoding
IEEE Transactions on Wireless Communications
Design of capacity-approaching irregular low-density parity-check codes
IEEE Transactions on Information Theory
The renaissance of Gallager's low-density parity-check codes
IEEE Communications Magazine
A simple transmit diversity technique for wireless communications
IEEE Journal on Selected Areas in Communications
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Multiple antenna systems are promising approaches to increase the data rate of wireless communication systems. There, modulated symbols are multiplexed on multiple transmission antennas. Typically an outer error correcting code is used additionally to ensure a desired quality of service for a given data rate. An appropriate communications performance can be achieved by iterative decoding, where probabilistic information are exchanged between outer decoder and the MIMO demodulator. However, in this case the MIMO demodulator has to calculate probabilistic soft-output values for each bit which can be very complex. In this paper we present a new class of linear block codes named Low-Density MIMO Codes which reduces the complexity of the MIMO soft-demodulator and the outer channel decoder inherently by code design without decreasing the data rate of the overall system. These LDMC codes can have a better communications performance then state of the art solutions with a order of magnitude smaller decoding complexity.