本文介绍了4G 移动通信中的OFDM技术、MIMO 技术的基本原理及MIMO- OFDM系统的关键技术。
2013-11-16 10:28:01
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一种异步串行通信接口信号.RS485是一种通信接口，里面的信号类似于一种差分信号，两个电平的差值大概是200mV左右，抗干扰性能比较好。
2024-05-12 12:50:01
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From the transition of analog to digital communication along with seamless mobility and
high computing power of small handheld devices, the wireless communications industry has
seen tremen
2020-05-26 06:01:10
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Duringthe past years, there has been a quickly rising interest in radio access technologies for providing
mobile as well as nomadic and fixed services for voice, video, and data. This proves tha
2020-05-26 06:02:20
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The telecommunications industry is undoubtedly in a period of radical change with
the advent of mobile broadband radio access and the rapid convergence of Internet
and mobile services. Som
2020-05-27 13:16:18
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