A Novel Weight Coefficient PEG Algorithm for Ultra-Reliable Short Length Analog Fountain Codes

作者：Huang, Zixuan; Jiao, Jian^*; Zhang, Ke; Wu, Shaohua; Zhang, Qinyu

来源：IEEE Wireless Communications Letters, 2019, 8(1): 125-128.

DOI：10.1109/LWC.2018.2863289

• URLLC
• short length codes
• analog fountain codes
• progressive edge growth (PEG)
• weight coefficient distribution

The stringent requirements of ultra-reliable and low latency communication (URLLC) services is the most challenging feature of fifth generation systems. The design and optimization of efficient short length codes is essential for URLLC. This letter investigates a novel weight coefficient progressive edge-growth (WCPEG) algorithm to construct ultrareliable analog fountain codes (AFCs) in the short length regime. Our WCPEG AFC can approach the normal approximation benchmark by eliminating the small girth cycles in the encoding Tanner graph. We first analyze the properties of short length AFC, and then present the comprehensive description and theoretical identification of the WCPEG AFC algorithm. Simulation results demonstrate the superior performance of WCPEG AFC in the short length regime.

• 出版日期2019-2
• 单位哈尔滨工业大学