- 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
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:Tau feso'ota'iga,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 avanoa avanoa,可对接矽海达参数配置面板(SconA、SconB或SconC)。E mafai e le tagata faʻaoga ona faʻapipiʻi faʻamaufaʻailoga e ala i le laina telefoni:中心工作频点、无线带宽以及其它调制参数(vavao leoleo、Fuainumera code convolution、星座方式、auina atu tupe maua, ma isi.)。
- COFDM fa'asalalauga fa'asalalauga(Tx):MMCX nofoa fafine。
- TF card fa'aoga,Mo le faʻaleleia ma le tausiga o polokalama。
- Fa'aoga fa'aoga eletise(mana):2PIN 2.0mm pitch Phoenix terminal。sapalai voltage:7V ~ 24V。
- So'oga fa'ailoga LED:发射工作指示灯,数据正常发射时闪烁。
- Fa'ailoga LED malosi:Fa'ailoga e tu'u ai le mana,E ola pea pe a masani le eletise。
- 发射模块尺寸:73SconB po'o SconC(E le aofia ai le tele o masini fa'aoga ma feso'ota'iga o lo'o fa'aoso mai le pito o le laupapa)、Mafiafia e itiiti ifo i le 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
- Fa'atonu le vavao leoleo:1/4,1/8,1/16,1/32
- uaealesi bandwidth:1~8MHz MHz可调,1Laasaga KHz
- Fa'atonu le mana fa'aola RF:-94e le aofia ai le tele o masini fa'aoga ma feso'ota'iga o lo'o fa'aoso mai le pito laupapa(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(Fua fa'atatau ile ea):
totogi(COFDM fa'asologa o feso'otaiga vavave fa'atusatusa fua faatatau) COFDM fa'asologa o feso'otaiga vavave fa'atusatusa fua faatatau (BandWidth(MHz) * 8.0/7.0) / (1+GI) * 1512/2048*COFDM fa'asologa o feso'otaiga vavave fa'atusatusa fua faatatau(COFDM fa'asologa o feso'otaiga vavave fa'atusatusa fua faatatau) * COFDM fa'asologa o feso'otaiga vavave fa'atusatusa fua faatatau * 188/204.
以8MHz带宽为例不同的保护间隔,Fuainumera code convolution,星座对应的数据速率及所要求的接收信噪比:
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