5G非授权频段接入关键技术及国际标准化

Key Technologies of 5G Unlicensed Spectrum Access and International Standardization

非授权频谱作为5G授权频谱的补充可以满足运营商及垂直行业的多种应用,3GPP在R16阶段对5G NR在非授权频段的接入进行了研究和标准化。结合非授权频段的监管规则,对5GNR在非授权频段的关键技术及国际标准化内容进行了详细的分析。具体包括5G在非授权频段的帧结构设计增强、物理信道设计增强、物理过程设计增强。基于这些技术分析,本文对非授权频谱使用5G技术进行了总结和展望。

As a supplement of 5 G licensed spectrum,unlicensed spectrum can meet the needs of various applications of operators and vertical industries.In R16 phase,3 GPP has investigated and standardized the unlicensed spectrum access of 5 G NR.In a cominbation with the regulatory rules of unlicensed spectrum,this paper gives a detail discussion on the key technologies and the contents of international standardization in unlicensed spectrum of 5 G NR,including frame structrue enhancement,physical layer enhancement and physical process enhancement.Based on these analyses,this paper provides a summary and prospect of 5 G technologies with unlicensed spectrum.