Currently Being ModeratedApr 20, 2013 8:13 PM (in response to kellyanne17)
There is no fix as there is no issue.
You've yet to describe a problem.
The iPhone does not simply drop a Wi-Fi connection. It does (and always has) turned off Wi-Fi when in sleep mode to conserve power.
What leads you to believe that you are not simply using more data than you have in the past?