面向6G的多级编码调制技术  

Multi-Level Coded Modulation for 6G

作　　者：魏岳军 陈春锜 夏斌[2] WEI Yuejun;CHEN Chunqi;XIA Bin(Shanghai Polytechnic University,Shanghai 201209,China;Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]上海第二工业大学,上海201209 [2]上海交通大学,上海200240

出　　处：《移动通信》2025年第2期19-25,共7页Mobile Communications

基　　金：重庆市自然科学基金“重庆市自然科学基金创新发展联合基金(中国星网)”(CSTB2024NSCQLMX008)。

摘　　要：6G移动通信对高数据速率的需求推动了更高效的编码调制技术的发展。多级编码调制通过将数据分层并使用不同的编码和调制策略,能够有效降低编解码复杂度、提升频谱效率并增强系统的适应性和灵活性。简要介绍了5G通信系统中比特交织编码调制流程和优缺点。详细介绍了多级编码调制的基本原理、分层设计、发送和接收机制,以及基于多级编码调制的自适应重传方案。仿真表明,相比传统的比特交织编码调制,多级编码调制在高阶调制、高码率场景下能显著降低信道编解码的负荷,从而降低编解码的功耗。最后,结合研究现状,探讨了多级编码调制在未来6G通信系统中的潜力和面临的挑战。The demand for high data rates in 6G has driven the development of more efficient coding and modulation technologies.Multi-level coded modulation can effectively reduce the complexity of coding and decoding,improve spectrum efficiency,and enhance the adaptability and flexibility of the system by layering data and using different coding and modulation strategies.This paper briefly introduces the bit-interleaved coded modulation process and its advantages and disadvantages in the existing 5G system.The basic principles,layered design,transmission and reception mechanisms of multi-level coded modulation,as well as the adaptive retransmission scheme based on multi-level coded modulation are introduced in detail.Simulations show that compared with traditional bit-interleaved coded modulation,multi-level coded modulation can significantly reduce the channel coding and decoding load in high-order modulation and high-code rate scenarios,thereby reducing the power consumption of coding and decoding.Finally,based on the current research status,the potential and challenges of multi-level coded modulation in future 6G communication systems are discussed.

关 键 词：6G 比特交织编码调制 多级编码调制 混合自动重传请求 

分 类 号：TN929.5[电子电信—通信与信息系统]