Creating a Wireless hotspot from your Laptop

There are many programs avaialable for download, in case you want to make a hotspot on a windows 7 pc or laptop which makes the task easier.

like:
Connectify


Or if you want to attempt it yourself or if you find any difficulties you can check the following guides:

Turn Your Windows 7 PC Into a Wireless Hotspot

How to share internet connection from PC using wireless network (wifi) for Windows XP and Windows Vista and 7


Converting your computer into a HotSpot

While doing the internet connection sharing the most important point to note is the internet sharing has to be done on the network that is actually connected to the internet and not the one through which you want to share, which is a mistake commonly made.

Wifi Fixer - A Tool to retain and recover the Wifi connection

Wifi Fixer is a nice and small android app that helps in remaining connected to Wifi, in areas where the signal may be weak or getting interrupted often. It detects a disconnection or a hung connection and attempts to recoer the connection or resets the connection. If the connection is very weak, and there is a stronger wifi available to be connected, it connects to the best one available.