Transmission Power Control for Over-the-Air Federated Averaging at Network Edge
Transmission Power Control for Over-the-Air Federated Averaging at Network Edge
<italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">Over-the-air computation</i> (AirComp) has emerged as a new analog power-domain <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">non-orthogonal multiple access</i> (NOMA) technique for low-latency model/gradient-updates <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">aggregation in federated edge learning</i> (FEEL). By integrating communication and computation into a joint design, AirComp can significantly enhance the communication efficiency, but at the cost …