Patent ID: 6980561
Filing Date: 2005-12-27
Classification: H04W

Abstract:
1. A method for performing initial ranging in conjunction with a contention-based Medium Access Control (MAC) protocol in a shared-medium communication network, the method comprising the steps of: taking a first system performance measurement to obtain a first probability of success outcomes using a first backoff window size; taking a second system performance measurement to obtain a second, probability of success outcomes using a second backoff window size different than the first backoff window size; and determining a third backoff window size based on the first and second system performance measurements, wherein the step of taking the first system performance measurement comprises: wherein the step of determining the third backoff window size comprises: the step of setting the third backoff window size greater than the second backoff window size comprises setting the third backoff window size equal to twice the second backoff window size: and the step of setting the third backoff window size less than the second backoff window size comprises setting the third backoff window size equal to half the second backoff window size.