A New Coding Scheme for UMP and JSCC in Short-Packet Communications

This letter proposes a new coding scheme for short-packet communications, where the messages are encoded successively at the transmitter by a classified enumerative (CE) coding, a cyclic redundancy check (CRC) coding and a polar coding, and then recovered reliably at the receiver by a triple-check h...

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Bibliographic Details
Published in:IEEE communications letters Vol. 27; no. 12; p. 1
Main Authors: Yao, Xinyuanmeng, Ma, Xiao
Format: Journal Article
Language:English
Published: New York IEEE 01.12.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Classified enumerative coding
Codes
Coding
Decoding
Encoding
Entropy
hypothesis testing decoding
joint source-channel coding (JSCC)
Messages
Polar codes
polar coding
Redundancy
Reliability
Testing
unequal message protection (UMP)
ISSN:1089-7798, 1558-2558
Online Access:Get full text
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Summary:This letter proposes a new coding scheme for short-packet communications, where the messages are encoded successively at the transmitter by a classified enumerative (CE) coding, a cyclic redundancy check (CRC) coding and a polar coding, and then recovered reliably at the receiver by a triple-check hypothesis testing decoding. The proposed scheme can be applied not only in an unequal message protection (UMP) scenario, where different classes of messages have different reliability requirements, but also in a joint source-channel coding (JSCC) system. To evaluate the performance of the JSCC, we present the weighted dependence testing (DT) bound, which is then exploited as a criterion for classifying messages. Simulation results show that: 1) Our UMP coding scheme can provide more error protection for low-entropy messages; 2) Our JSCC scheme can outperform the double polar JSCC scheme and is close to the JSCC DT bound.
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ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2023.3325243