Patent ID: 8055293
Filing Date: 2011-11-08
Classification: H04B,H04W

Abstract:
1. A method for adjusting a power-control step size, the method comprising: maintaining an initial active set of coverage areas for a mobile station, each coverage area having a signal strength as received at the mobile station, wherein a first coverage area in the initial active set has a signal strength that is stronger than that of each of the other coverage areas in the initial active set; determining that the first coverage area has dropped from the initial active set, resulting in a modified active set, and responsively: calculating a signal-strength factor based on (a) a last non-zero signal-strength measurement of the first coverage area and (b) a second value, wherein the second value is based on at least one of (i) a signal-strength measurement of at least one coverage area in the initial active set and (ii) a signal-strength measurement of at least one coverage area in the modified active set; selecting one or more forward-link power-control step sizes, wherein selection of the one or more forward-link power-control step sizes is based on at least the calculated factor; and using the one or more selected step sizes to increase a forward-link transmission power of at least one coverage area in the modified active set.