connect two hosts over wifi without router?

[Hans <hans.ullrich@loop.de>]

Hi folks,

just before I am trying forever:

Is it possible, to connect two hosts directly over wlan without using a 
router?

The background: I want to stream video from my drone using RTMP to my 
notebook. 

This is already possible, when i am using a router. But in the fields, I got no 
router available (I have a portable router, yes, but I want to mimize and ease 
as possible). 

The goal of my project I am working of, shall be a bootable live-usb or live-
cd, which is preconfigured with the network address, a listening nginx for 
RTMP, automatically started X with automatically started VLC.

The user just has to start his drone software (or whatever) on a tablet or 
mobile, input an IP in the streaming software and is ready.

Everything shall be done without any router (because of avoiding as much 
latencies as possible).

At the moment I am stuck with the directly connection.

If someone has running this already, I would be happy for any configurations, 
or also with the help of some priciples. 

With an ethernet cable, this is easy (using a crossover ethernet cable), but 
how do this with wireless? Is this technically possible at all???

Thanks for any help.

Best regards

Hans