A slow download is usually blamed on routers, software, or the service provider. Those layers matter, but underneath every link sits a limit set by physics: how much information a …
The PHY algorithm passes every simulation in MATLAB. The Bit Error Rate (BER) curve hits the theoretical bound. The Error Vector Magnitude (EVM) budget has margin. The golden model …
A pattern I keep seeing on the bench goes like this. A prototype modem shows a clean spectrum, the signal sits well above the thermal noise floor, and the link budget says there is …