Successive Cancellation List Decoding of BMERA Codes with Application to Higher-Order Modulation
Tobias Prinz, Peihong Yuan
TL;DR
This paper introduces a successive cancellation decoding algorithm for BMERA codes, demonstrating improved error performance over polar codes in higher-order modulation scenarios.
Contribution
It presents a new SC decoding algorithm for BMERA codes and compares its performance with polar codes under various decoding schemes and modulation.
Findings
BMERA codes outperform polar codes by over 0.5 dB under SCL decoding.
BMERA codes show better error exponents than polar codes.
Simulation results validate the improved performance of BMERA codes.
Abstract
BMERA or convolutional polar codes are an extension of polar codes with a provably better error exponent than polar codes. A successive cancellation (SC) decoding algorithm for BMERA codes similar to SC polar decoders is introduced. A pseudocode description of the SC decoder that can be extended to SC list (SCL) decoding is provided. Simulation results with and without outer CRC codes under SC and SCL decoding are presented for QAM modulation over the AWGN channel to compare the performance of polar and BMERA codes. BMERA codes outperform polar codes by more than 0.5 dB under SCL decoding without outer CRC codes.
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Taxonomy
TopicsAdvanced Wireless Communication Techniques · PAPR reduction in OFDM · Error Correcting Code Techniques