How can I get a stronger wireless signal?

I live on the second floor of a house where I rent a room. The landlord has a wireless network but it's too weak to load any web pages. I have wireless built-in my laptop. What should I do to get a stronger signal?How can I get a stronger wireless signal?
Either than the landlord moving it closer to you.. Purchase a signal booster.. A bigger antena . Should be cheap..How can I get a stronger wireless signal?
Have your landlord move the the wireless router to an ideal location. Search for ';How to make a wifi antena?';