Connecting many arduino yun to a Gateway

Hi, Is it possible to connect multiple arduino yun to a Gateway (the gateway will be conected to the PC)??

I am in-need to connect about 13 arduino yun to the same PC and collect/send some data from/to them.

If it is not possible, what your advice??Who i can make a wifi network contains up to 13 node??

Thanks, Best regards, Abed