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Owing to their capacity-achieving performance and low encoding and decoding complexity, polar codes have received significant attention recently. Successive cancellation decoding (SCD) and belief propagation decoding (BPD) are two popular approaches for decoding polar codes. SCD, despite having less computational complexity when compared with BPD, suffers from long latency due to the serial nature...
Polar codes are an exciting new class of error correcting codes that achieve the symmetric capacity of memoryless channels. Many decoding algorithms were developed and implemented, addressing various application requirements: from error-correction performance rivaling that of LDPC codes to very high throughput or low-complexity decoders. In this work, we review the state of the art in polar decoders...
Bit-interleaved coded modulation with iterative decoding has been widely adopted in modern wireless communication systems because of its spectral efficiency and low detection complexity. Because of the iterative decoding structure, the overall decoding latency depends on the latency of both the demapper and the channel decoder. In this work, a parallel demapper architecture is proposed for a low latency...
Multi-level superposition coded modulation (SCM) is a scalable technique for wireless video broadcast/ multicast, in which iterative turbo structures provide receivers with multi-resolution demodulations subject to a high complexity. Forward error correction using low-density parity-check (LDPC) code is helpful for better received video quality but further increasing the receiver complexity. In this...
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