Decoding Algorithm Based on LDPC for UAV MISO Ultraviolet Communication System

Unmanned aerial vehicle (UAV) ultraviolet (UV) communication has garnered significant attention due to its broad range of applications. Currently, there are few decoding algorithms specifically tailored for UAV UV multiple-input-single-output (MISO) communication scenarios. We propose an enhanced ma...

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Vydáno v:IEEE communications letters Ročník 28; číslo 5; s. 974 - 978
Hlavní autoři: Xue, Xingle, Ji, Junyang, Su, Ping, Ma, Jianshe, Xia, Bizhong, Li, Xingguang
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.05.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Autonomous aerial vehicles
Communications systems
Decoding
decoding algorithm
Interference
Iterative decoding
LDPC
Likelihood ratio
MISO communication
Receivers
Signal to noise ratio
Transmitters
UAV
Ultraviolet communication
Unmanned aerial vehicles
ISSN:1089-7798, 1558-2558
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Shrnutí:Unmanned aerial vehicle (UAV) ultraviolet (UV) communication has garnered significant attention due to its broad range of applications. Currently, there are few decoding algorithms specifically tailored for UAV UV multiple-input-single-output (MISO) communication scenarios. We propose an enhanced maximum a posteriori (MAP) and log-likelihood ratio belief propagation (LLRBP) algorithm for MISO UV communication systems. This algorithm strategically ranks interference signals based on the signal-to-interference plus noise ratio (SINR), effectively eliminates errors in transmitter information recovery, and is named the SINR-MAP-LLRBP Algorithm. Building upon this algorithm, we establish the optimal quantitative relationship for the signal-to-noise ratio (SNR) in the MISO UVC system. Additionally, we introduce an enhanced decoding algorithm for MISO UV communication systems, leveraging the residual-based loop iteration methodology, named as the Res-SINR-MAP-LLRBP Algorithm. This algorithm provides an additional decoding gain compared to the SINR-MAP-LLRBP Algorithm.
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ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2024.3371217