毫米波无线通信发展趋势及技术挑战

未来无线通信系统面临传统频谱资源短缺与无线业务需求爆炸性增长的瓶颈问题,拥有丰富可用频谱资源的毫米波通信成为下一代无线宽带蜂窝通信的有效选择.然而,传输路径损耗大、氧气及水分子吸收严重等特性给毫米波通信带来了极大挑战,需寻求不同于低频段无线通信的技术途径.在分析毫米波传输特性后,对毫米波通信技术研究进展、射频前端进行了比较全面的分析,并比较深刻地剖析了毫米波通信的技术挑战,同时提出相应的研究方向.

Development trend and technological challenges of millimeter-wave wireless communication

Facing the bottleneck problem of the scarcity of the traditional spectrum resource and the demand of wireless business that increases explosively,millimeter-wave (mmWave) communication with rich available spectrum resources become a promising way for the next generation broadband wireless cellular communication.However,the features of the large propagation path loss and severe oxygen and water molecules absorb of mmWave bring great challenge to the mmWave communication technology research.After analyzing the propagation properties of mmWave communication,a comprehensive analysis and summary of the research progress and radio front end were given out.Challenges of mmWave communication were profoundly analyzed and the corresponding research direction was put forward.