Patent ID: 9474091
Filing Date: 2016-10-18
CPC Classification: H04W

Claim Text:
1. A system for establishing and sustaining a link ALE (automatic link establishment) within a framework of a bidirectional broadband communication, the said system comprising at least: a first master communication post configured to transmit a message for the establishment of a bidirectional communication with a first desired Service Level Agreement (SLA) target service with a first bitrate and a second desired SLA target service, different from the first desired SLA target service, with a second bitrate, the first master communication post comprising a first radio transmitter/receiver and a first controller; and a second called communication post comprising a second radio transmitter/receiver and a second controller, wherein the first master communication post is configured to define a set of sub-bands, to transmit a known test sequence, Stest, on a sub-band Bk to the second called communication post as soon as the second called communication post acknowledges switching to probing mode to determine the best configuration to be adopted for the establishment of the link meeting predetermined conditions of the first desired SLA target service and the second desired SLA target service, the second controller configured to determine quality scores based on a maximum bitrate on Mk frequencies of the sub-band Bk and based on a comparison of received symbols with the known test sequence, to transmit the quality scores to the first master communication post, and to transmit regarding the second desired SLA target service, and the first master communication post configured to determine a capability of the sub-band Bk to respond to the first desired SLA target service and to the second desired SLA target service, to determine a sub-channel based on the quality scores received, and to select the sub-band Bk representing the predetermined conditions of the first desired SLA target service and the second desired SLA target service, and thereafter to trigger the bidirectional communication with the second called communication post.