下一代无线通信关键技术及其在遥测中的应用

围绕下一代无线通信中正交频分复用(OFDM)、带频域均衡的单载波(SC/FDE)与多输入多输出(MIMO)技术,首先综述了这些技术的工作原理、发展历程以及关键问题,重点对OFDM的研究热点进行了分析。接下来探讨了这几项技术在遥测领域的应用。最后得出结论,认为:OFDM在航空遥测有着广泛的应用前景;MIMO在很多遥测领域的应用都有很大潜力;单载波频域均衡(SC-FDE)技术可以适应发射功率受限,多径干扰严重的环境,在航空遥测与导弹遥测中是一种新的鲁棒的遥测体制。

Key techniques of next generation wireless communication and their applications in telemetry

Orthogonal Frequency Division Multiplexing(OFDM),Single Carrier with Frequency Domain Equalization(SC/FDE) and Multiple-Input Multiple-Output(MIMO) are the key techniques of next generation wireless communication.In this paper,the principles,research history and key issues of the above techniques are summarized,and OFDM research hotspots are analyzed in detail.Their applications in telemetry are discussed.Finally,it is concluded that OFDM should be widely used for aeronautical telemetry,and MIMO shows an enormous application potential for many telemetry systems,and Single Carrier Frequency Domain Equalization(SC-FDE) will be a new robust scheme for aeronautical and missile telemetry because it is very suitable to the environments of power-limited and severe multipath interference.