IPhone :: Personal Hotspot Wheel Keeps Spinning

I think I may have found the issue with everyone's battery life... It seems that when your cellular data network is active your personal hotspot will constantly be doing something... Even if like me, you don't have that covered on your plan. I know that it's not actually set up because I can't see it on my other devices, but it's killing my battery SO fast... I found some temporary solutions like, resetting your netword settings, or turnin off your phone popping out the sim card then putting it back in and turning it on... But as soon as you disable the cellular data network or put your phone in airplane mode an then turn it back on... The personal hotpot will just keep spinning..

And I have been looking around for fixes and came across one person that said, "it's like a fridge when you open the door the ligh comes on and when you close it it goes off" meaning that when I look at the network tab it will spin, but when I'm not looking at it, it's actually doing nothing... This isn't the case cause I left it on one day just to check and:

With it off at 40%

Usage: 5 hours 20 mins

Standby: 20

With it on at 40%

Usage: 2 hours

Standby: 7 hours

As you can see, there is a significant impact on battery life

Info:
iPhone 4S, iOS 5.1