Patent ID: 7773660

Claim:
Method for selecting frequency channels in a cordless communication system by a data transmission method that uses a frequency hopping method, comprising: determining an existence of interference on a frequency channel, comprising: (a) incrementing a counter each time an erroneous transmission on the frequency channel is identified; (b) decrementing the counter each time an error-free transmission on the frequency channel is identified; repeating the acts of (a) and (b) until the counter exceeds a maximum count; and eliminating the frequency channel from a frequency hopping sequence when the counter exceeds the maximum count; reinserting the frequency channel into the frequency hopping sequence, comprising: (c) decrementing the counter each time an error free transmission on the frequency channel is identified; (d) setting the counter to the maximum count each time an erroneous transmission on the frequency channel is identified; repeating acts (c) and (d) until the counter reaches a minimum count; and reinserting the frequency channel into the frequency hopping sequence when the counter has reached the minimum count.