From 470ab87b2040914b18333d0ace503140a3dcd0df Mon Sep 17 00:00:00 2001 From: Mathieu LEFEBVRE Date: Mon, 22 Jun 2026 17:51:22 +0200 Subject: [PATCH] schema: add MCM and POIM descriptions to the schema-level README Signed-off-by: Mathieu LEFEBVRE --- schema/README.md | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/schema/README.md b/schema/README.md index 76a312fe7..207c51b12 100644 --- a/schema/README.md +++ b/schema/README.md @@ -28,6 +28,21 @@ Contains detailed mapping information, typically updated less frequently, such a changes occur on the road. It provides vehicles with accurate data on topography, traffic lanes, speed limits, and other essential features for navigation and safety. +### [MCM : Manoeuvre Coordination Message](mcm) + +Exchanged between vehicles and ITS stations to negotiate and coordinate planned manoeuvres, such as lane changes or +merging. It conveys the originating station's role (coordinating or target vehicle), its current position, speed, and +heading, along with a sequence of sub-manoeuvres describing the intended trajectory. MCMs support several coordination +concepts (agreement-seeking, prescriptive) and message types (intent, request, response, reservation, execution status, +etc.) to manage the full lifecycle of a cooperative manoeuvre. + +### [POIM-PA : Point Of Interest Message - Parking Availability](poim) + +Emitted by roadside or central stations to broadcast parking availability information for a specific facility. It +includes the place's identity and location, an aggregated occupancy status (available, full, etc.), and optionally +detailed supply and capability data per parking type. POIM-PAs allow connected vehicles and services to be informed about +real-time parking conditions, helping drivers identify available spots before arrival. + ### [SPATEM : Signal Phase And Timing Extended Message](spatem) Periodically emitted by traffic lights or their controllers. It indicates the current phases of the traffic lights