- 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
![moamoheli o amohela demodulation ebe o e hlahisa ka boema-kepe ba marang-rang One-way COFDM ethernet PI wireless transparent transmission transmitter module network port](https://i0.wp.com/ivcan.com/wp-content/uploads/2022/02/One-way-COFDM-ethernet-PI-wireless-transparent-transmission-transmitter-module-network-port.webp?resize=756%2C756&ssl=1)
![ho theha tsela e le 'ngoe ea tsela e le' ngoe ea marang-rang a marang-rang a marang-rang a phetiso ea marang-rang Mojule oa phetisetso o amohela data ka koung ea marang-rang mme o fetisetsa data e amohetsoeng ke koung ea marang-rang ka mokhoa oa COFDM Kamora ho amohela data. One-way COFDM network port wireless transparent transmission transmitter module](https://i0.wp.com/ivcan.com/wp-content/uploads/2022/02/One-way-COFDM-network-port-wireless-transparent-transmission-transmitter-module.webp?resize=825%2C825&ssl=1)
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 sokete ea sebaka,可对接矽海达参数配置面板(SconA、SconB或SconC)。Mosebelisi a ka beha liparamente ka koung ea serial:中心工作频点、无线带宽以及其它调制参数(sebaka sa ho lebela、Sekhahla sa khoutu ea convolution、星座方式、fetisa phaello, joalo-joalo.)。
- COFDM phetiso segokanyimmediamentsi sa sebolokigolo(Tx):MMCX setulo sa basali。
- Khokahano ea karete ea TF,Bakeng sa ntlafatso le tlhokomelo ea software。
- Sehokelo sa ho kenya matla(matla):2PIN 2.0mm e phahamisa terminal ea Phoenix。phepelo ea motlakase:7V ~ 24V。
- Khokahanyo LED pontshi:发射工作指示灯,数据正常发射时闪烁。
- Letšoao la matla a LED:Letšoao la ho kenya matla,E lula e bulehile ha phepelo ea motlakase e tloaelehile。
- 发射模块尺寸:73le tlhokomelo(Ha e kenyeletse boholo ba lisebelisoa tsa li-interface le lihokelo tse hlahelletseng ho tloha pheletsong ea boto)、Botenya bo ka tlase ho 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
- Nako ea ho lebela e lokisehang:1/4,1/8,1/16,1/32
- bandwidth e se nang mohala:1~8MHz MHz可调,1KHz mohato
- Matla a hlahisoang a RF a hlophisitsoeng:-94Matla a hlahisoang a RF a hlophisitsoeng(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(Sekhahla sa sebopeho sa moea):
Rate(COFDM waelese phetisetso tsamaiso ea phetiso palo palo) COFDM waelese phetisetso tsamaiso ea phetiso palo palo (kgonothebolo(MHz) * 8.0/7.0) / (1+GI) * 1512/2048*COFDM waelese phetisetso tsamaiso ea phetiso palo palo(COFDM waelese phetisetso tsamaiso ea phetiso palo palo) * COFDM waelese phetisetso tsamaiso ea phetiso palo palo * 188/204.
以8MHz带宽为例不同的保护间隔,Sekhahla sa khoutu ea convolution,星座对应的数据速率及所要求的接收信噪比:
![Mokhoa o le mong COFDM ethernet PI wireless transparent transmitter module network port3 One-way COFDM ethernet PI wireless transparent transmission transmitter module network port3](https://i0.wp.com/ivcan.com/wp-content/uploads/2022/02/One-way-COFDM-ethernet-PI-wireless-transparent-transmission-transmitter-module-network-port3.webp?resize=580%2C434&ssl=1)
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