No, it is the premise of the OT in simply the vaguest of definitions.
your problem is basically that there are AT-ATs in the movie.
No:
- White planet that’s similar to Hoth
- Rebel base is attacked
- Rebels fight from trenches
- Walkers assault
This is an AT-AT in a mostly original movie:
This is a rehash of the battle of Hoth with a twist: