Binary-Input Ternary-Output Turbo Codes for Ternary PSK Transmission

Binary-Input Ternary-Output Turbo Codes for Ternary PSK Transmission
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用于三值 PSK 传输的二值输入三值输出 Turbo 码

DOI:
10.1109/lcomm.2022.3185652
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发表时间:
2022
期刊:
IEEE Communications Letters
影响因子:
--
通讯作者:
Ochiai Hideki
Ochiai Hideki
中科院分区:
--
文献类型:
--
作者:
Hama Yuto;Ochiai Hideki

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三相相移键控(TPSK)是第五代(5G)移动通信中长距离通信所采用的频谱效率高于相移BPSK的潜在传输方案之一,同时与QPSK相比保留了较低的峰均功率比(PAPR)信号特性。然而,它在实际系统中的应用具有挑战性,因为传统的编码和调制方案不是为三进制信令设计的。在这项工作中,我们首先引入了 TPSK 的相移方法,以便在具有 DFT 预编码的 OFDM 框架中有效降低 PAPR。然后,我们提出了一种与 TPSK 信令匹配的二进制输入三态输出 (BITO) Turbo 码的设计。通过计算机模拟,我们展示了其优越的误码率性能,并阐明了其相对于传统PSK系统的优势。
Ternary phase shift keying (TPSK) is one of the potential transmission schemes with spectral efficiency higher than-shift BPSK adopted by the fifth generation (5G) mobile communications for long-distance communications, while retaining lower peak-to-average power ratio (PAPR) signal property compared to QPSK. However, its application to practical systems is challenging as the conventional coding and modulation schemes are not designed for ternary signaling. In this work, we first introduce a phase shifting approach for TPSK in order to effectively reduce the PAPR in the framework of OFDM with DFT-precoding. We then propose a design of binary-input ternary-output (BITO) turbo codes that match with TPSK signaling. Through computer simulations, we demonstrate its superior error rate performance, and elucidate its advantages over the conventional PSK systems.
二进制输入非二进制输出卷积码和递归卷积格码的串行串联
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