摘要
随着各种无线通信技术的快速发展及用户数据需求的激增,无线频谱资源的短缺问题日益突出。基于动态频谱共享的频率分配机制成为提高频谱利用率和解决无线频谱瓶颈问题的关键技术。5G网络在中频C波段的上下行覆盖不平衡,上行覆盖能力受限,4G/5G补充上行和动态频谱共享技术结合可动态利用4G现有频率,提高上行数据速率,并有效解决5G上行覆盖受限问题。通过组建4G/5G试验网,分析验证了4G/5G上行动态频谱共享的最新测试成果。
With the rapid development of various wireless communication technologies and the surge of user data requirements,the shortage of wireless spectrum resources has been becoming increasingly prominent.The frequency allocation mechanism based on dynamic spectrum sharing has become a key technology to improve spectrum utilization and solve the bottleneck problem of wireless spectrum.5G network has unbalanced uplink and downlink coverage in the C-band frequency,and the uplink coverage capability is limited.The combination of 4G/5G supplementary uplink and dynamic spectrum sharing technology can dynamically utilize the existing 4G frequency to improve uplink data rate and effectively solve the problem of limited 5G uplink coverage.Through establishing the 4G/5G trial network,the latest testing results on 4G/5G uplink dynamic spectrum sharing have been analyzed and verified.
作者
窦中兆
冯穗力
DOU Zhongzhao;FENG Suili(South China University of Technology,Guangzhou 510640,China)
出处
《移动通信》
2022年第10期82-87,共6页
Mobile Communications
基金
国家自然科学基金项目(61340035)
广东省科技计划项目(2016A010101009)。
关键词
动态频谱分配
补充上行
动态频谱共享
5G
dynamic spectrum allocation
supplementary uplink
dynamic spectrum sharing
5G
