I sometime have this problem with the wireless connection for my laptop.
Wireless is definitely working as I have no problem whatsoever with my phone, but sometime for my laptop I will either have problem connecting to it or have problem maintaining the connection.
I have reset the router, but the connection still fluctuate quite a bit. anything else I can do to resolve the problem?
for the record I am a tenant and the broadband is shared between all tenants.
Make sure all thge drivers on your laptop are up to date, in particular the wireless drivers. Apart from that there is little that you will be able to do apart from talking to your landlord.