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Re: [Paparazzi-devel] Inter vehicle communications

From: Gautier Hattenberger
Subject: Re: [Paparazzi-devel] Inter vehicle communications
Date: Fri, 15 Apr 2011 10:01:03 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20110223 Thunderbird/3.1.8

Hello Henrique,

There is inter vehicle communication implemented on fixedwing activated with the TRAFFIC_INFO flag (set by default). The position and speed of the vehicles are broadcasted from the ground. It is not direct air to air communication. For rotorcraft, unfortunately nothing has been implemented so far. If you wants to use the traffic info service on quads, be careful that the position are send in UTM coordinates (used on fixedwing) while rotorcraft are using LTP/ECEF coordinates. If you want to implement a direct link, you should be careful with the two classes of message: datalink (ground->air) and telemetry (air->ground), as the class of message is not available in the header of the pprz communication protocol.


On 14/04/2011 19:35, Henrique Silva wrote:
Hello, I'm Henrique Silva and I am student at Instituto Superior Técnico, Portugal. I'm doing my master thesis on cooperative formations using quadcopters and I'm using paparazzi.

I've been looking at wiki and I have not found anything about communication between vehicles. What I wonder to know is if exists some solution implemented, because it would give quite good at my job. If you could help me, I would be grateful. Thank you.

Henrique Silva

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