单向COFDM网口无线透传发射模块

  • COFDM无线发射模块+接收模块组成单向无线传输网口透传链路
  • 发射模块通过网口接收数据将网口接收到的数据以COFDM方式发射出去
  • 接收端收到数据后解调再通过网口输出
Njira imodzi COFDM Efaneti PI opanda zingwe transparent transmitter module network doko
Njira imodzi COFDM network doko opanda zingwe transparent transmitter module

单向COFDM网口无线透传发射模块功能

  • 通过网口接收上位机数据再将网口数据发射出去
  • 数据输入网口支持协议UDP广播/组播物理接口RJ45座子或4PIN 1.25mm间距座子
  • CFG-UART:COFDM调制参数配置串口,4PIN 1.25mm danga zitsulo,可对接矽海达参数配置面板(SconA、SconB或SconC)。Wogwiritsa akhoza kukhazikitsa magawo kudzera pa doko la serial:中心工作频点无线带宽以及其它调制参数(nthawi yachitetezo、Convolution kodi mtengo、星座方式、kufalitsa phindu, etc.)。
  • COFDM kufala mawonekedwe(Tx):MMCX mpando wachikazi。
  • TF khadi mawonekedwe,Kukweza mapulogalamu ndi kukonza。
  • Mphamvu yolowera mawonekedwe(mphamvu):2PIN 2.0mm phula Phoenix terminal。magetsi magetsi:7V ~ 24V。
  • Link LED chizindikiro:发射工作指示灯数据正常发射时闪烁
  • Mphamvu ya LED chizindikiro:Chizindikiro cholowetsa mphamvu,Amayatsidwa nthawi zonse pomwe magetsi ali abwinobwino。
  • 发射模块尺寸:73ndi kukonza(Siziphatikiza kukula kwa zida zolumikizirana ndi zolumikizira zotuluka m'mphepete mwa bolodi)、Makulidwe osakwana 15mm。
  • 支持的COFDM调制参数
  • Configurable Convolutional Encoding Ratio:1/2,2/3,3/4,5/6,7/8
  • 可配置的星座方式:QPSK / QAM16 / QAM64
  • IFFT模式:2K
  • Nthawi yolondera yosinthika:1/4,1/8,1/16,1/32
  • bandwidth yopanda zingwe:1~8MHz MHz可调,1KHz sitepe
  • Mphamvu yotulutsa RF yosinthika:-94Mphamvu yotulutsa RF yosinthika(不同工作频点最大发射功率不一样)
  • 中心工作频点:200MHz~2300MHz之间可任意配置

COFDM无线传输系统传输速率计算

无线传输速率(Mtengo wolumikizira mpweya):

Voterani(Mphamvu yotulutsa RF yosinthika) Mphamvu yotulutsa RF yosinthika (bandiwifi(MHz) * 8.0/7.0) / (1+GI) * 1512/2048*Mphamvu yotulutsa RF yosinthika(Mphamvu yotulutsa RF yosinthika) * Mphamvu yotulutsa RF yosinthika * 188/204.

以8MHz带宽为例不同的保护间隔,Convolution kodi mtengo,星座对应的数据速率及所要求的接收信噪比

Njira imodzi COFDM ethernet PI opanda zingwe transparent transmitter module network port3

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