Method for assisting roaming of a mobile terminal between community wireless local area networks

A first access point, configured to assist roaming of a mobile terminal from a first community wireless local area network to a second community wireless local area network, the first and second wireless local area networks belonging to the same community and being managed by respectively the first access point and a second access point, the first and second access points offering access to a wide area network via which a server governing said community is accessible, wherein the first access point comprises electronic circuitry configured for:

• making measurements of quality of communication with said mobile terminal and/or of operational load on said first access point;
• when the measurements indicate that the quality of communication with said mobile terminal is below a first threshold S2 and/or respectively that the operational load on said first access point is above a second threshold S2′, triggering a selection procedure assisted by the server;
• when the measurements indicate that the quality of communication with said mobile terminal is below a third threshold S3 that is below the first threshold S2 and/or respectively that the operational load on said first access point is above a fourth threshold S3′ that is above the second threshold S2′, triggering an autonomous selection procedure;
• at the end of the selection procedure assisted by the server or of the autonomous selection procedure, transmitting to the mobile terminal a weighted list Ld of access points that are candidates for the roaming of said mobile terminal;
• wherein, in the assisted selection procedure, the electronic circuitry is configured for constructing the weighted list Ld by performing a weighting taking into account instantaneous measurements of operational load on said candidate access points provided by the server following the triggering of the assisted selection procedure, and wherein, in the autonomous selection procedure, the electronic circuitry is configured for constructing the weighted list Ld by performing a weighting taking into account long-term statistics of operational load on said candidate access points supplied previously by the server.