Patent ID: 9226165
Filing Date: 2015-12-29
Classification: H04L,H04W

Abstract:
1. A method for assessing quality of a set of transmission channels in a wireless network, the method comprising: a) transmitting, by a first station, a first unicast message to a second station in a first of said transmission channels; b) if no acknowledgement of the first unicast message is received from the second station, transmitting, by the first station, a further unicast message at a higher power level in said first transmission channel; c) if an acknowledgment of the first or any further unicast message is received from the second station, determining, by the first station, the power level or the number of unicast messages that were needed to trigger the acknowledgment for said first transmission channel; d) carrying out a) to c) for each further transmission channel of the set of transmission channels; e) identifying, by the first station, the transmission channel that scores a best quality according to c); f) transmitting, by the first station, at least one message to said second station to use the transmission channel as identified in e) for the wireless network; and g) including, by the first station, alias station identifier information in the first unicast message that is different from standard station identifier information included in the at least one message sent in f).