- COFDMWireless transmitter module + receiver module,Tsim ib txoj kev wireless kis tau tus mob network chaw nres nkoj pob tshab sib txuas
- Lub transmitting module tau txais cov ntaub ntawv los ntawm lub network chaw nres nkoj,Xa cov ntaub ntawv tau txais los ntawm lub network chaw nres nkoj hauv COFDM hom
- Qhov kawg tau txais demodulates tom qab tau txais cov ntaub ntawv,Tom qab ntawd tso tawm los ntawm qhov chaw nres nkoj network
Ib-txoj kev COFDM network chaw nres nkoj wireless pob tshab kis tau tus mob transmitter module muaj nuj nqi:
- Tau txais cov ntaub ntawv host computer los ntawm qhov chaw nres nkoj network,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 qhov sib nrug,可对接矽海达参数配置面板(SconA、SconB或SconC)。Tus neeg siv tuaj yeem teeb tsa qhov ntsuas los ntawm qhov chaw nres nkoj serial:Center ua hauj lwm zaus、无线带宽以及其它调制参数(tiv thaiv ncua、Convolution code tus nqi、星座方式、kis nce, thiab lwm yam.)。
- COFDM kis tau tus mob interface(Tx):MMCX poj niam lub rooj。
- TF daim npav interface,Rau kev txhim kho software thiab kho。
- Lub zog input interface(hwj chim):2PIN 2.0mm suab Phoenix davhlau ya nyob twg。muab hluav taws xob:7V ~ 24V。
- Link LED qhia:发射工作指示灯,数据正常发射时闪烁。
- Lub zog LED taw qhia:Lub zog input indicator,Ib txwm nyob thaum lub hwj chim mov yog qhov qub。
- 发射模块尺寸:73SconB los yog SconC(Tsis suav nrog qhov loj ntawm cov khoom siv sib txuas thiab cov khoom sib txuas uas tawm ntawm ntug ntawm lub rooj tsavxwm)、Thickness tsawg dua 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 hom:2K
- Configurable guard interval:1/4,1/8,1/16,1/32
- wireless bandwidth:1~ 8MHz MHz adjustable,1KHz step
- Configurable RF tso zis zog:-94tsis suav nrog qhov loj ntawm cov khoom siv sib txuas thiab cov khoom sib txuas tawm ntawm lub rooj tsav xwm ntug(sib txawv ua hauj lwm zaus,Qhov siab tshaj plaws kis tau tus mob yog txawv)
- Center ua hauj lwm zaus:200Ib qho kev teeb tsa ntawm MHz ~ 2300MHz
Kev suav cov kis tus nqi hauv COFDM Wireless Transmission System
wireless kis tus nqi(Cua interface tus nqi):
Rate(COFDM wireless kis tau tus mob system kis tus nqi suav) COFDM wireless kis tau tus mob system kis tus nqi suav (bandwidth(MHz) * 8.0/7.0) / (1+GI) * 1512/2048*COFDM wireless kis tau tus mob system kis tus nqi suav(COFDM wireless kis tau tus mob system kis tus nqi suav) * COFDM wireless kis tau tus mob system kis tus nqi suav * 188/204.
Noj 8MHz bandwidth ua piv txwv, txawv lub sijhawm tiv thaiv,Convolution code tus nqi,Cov ntaub ntawv tus nqi sib raug mus rau lub hnub qub thiab qhov yuav tsum tau txais cov teeb liab-rau-suab nrov piv:
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