However, the performance of these works degrades significantly in doubly selective fading channels. In this work, we propose an effective solution for uplink grant-free NOMA with a new user sequence ...

Unified Modified Language (UML) is a modeling language standard for identifying, recording and designing a software. Reusing UML diagrams can help to accelerate the software development process.

Add a description, image, and links to the sequence-diagram topic page so that developers can more easily learn about it ...