基于极化码级联的OTFS通信系统优化设计
首发时间:2024-04-09
摘要:正交时频空(Orthogonal Time Frequency Space,OTFS)调制技术是新兴的多载波技术,能够满足未来通信所需高可靠和高移动速率的需求,而极化码是目前唯一可以严格证明达到香农极限的信道编码方法。因此,探讨基于极化码级联的OTFS通信系统设计具有重要意义。本文提出了一种极化码级联增强OTFS通信系统并搭建了物理层链路来进行性能测试,仿真结果表明本文提出系统方案相对于传统通信系统在未来太赫兹通信场景中表现出明显的增益。
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Optimization Design of OTFS Communication System Based on Polar Code Cascade
Abstract:Orthogonal Time Frequency Space (OTFS) modulation technology is an emerging multi-carrier technology, which can meet the needs of high reliability and high movement rate for future communication, and polarization code is the only channel coding method that can strictly prove to reach the Shannon limit. Therefore, it is of great significance to discuss the design of OTFS communication system based on polarization code cascade. In this paper, a polarimetric code cascade enhanced OTFS communication system is proposed and a physical layer link is built to test the performance. The simulation results show that the proposed system scheme has obvious gain compared with traditional communication systems in future terahertz communication scenarios.
Keywords: signal and information processing polar code OTFS channel estimation and equalization
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