Deep Joint Source-Channel Coding Over Cooperative Relay Networks

Understand

This paper presents a novel deep joint source-channel coding (DeepJSCC) scheme for image transmission over a half-duplex cooperative relay channel.

• Specifically, we apply DeepJSCC to two basic modes of cooperative communications, namely amplify-and-forward (AF) and decode-and-forward (DF).
• In DeepJSCC-AF, the relay simply amplifies and forwards its received signal.
• In DeepJSCC-DF, on the other hand, the relay first reconstructs the transmitted image and then re-encodes it before forwarding.