Is it the west bay garden opposite to al reem tower and across the road from city centre mall? The little half circle thing?
Ask taxi driver but he may not know if he's new in here - i had that situation 3 days ago.
I think Ramada doesn't exist any more cause it's been taken over some other company.
I think that signal might be called something else now my friend.
I'm not sure how to help you.
But if you see a big torch building, that means you went too far. Best of luck!