Patent ID: 9451509
Filing Date: 2016-09-20
CPC Classification: H04W

Claim Text:
1. An apparatus for providing handover information within a femtocell network, comprising: an expected stay time calculation unit configured to, for a terminal located within a serving coverage range of a serving base station, calculate expected stay time, that is, a time for which the terminal will stay within a femtocell coverage range of each of a plurality of femtocell base stations, based at least partly on the femtocell coverage range of each of the plurality of femtocell base stations, a distance between the terminal and each of the plurality of femtocell base stations, an angle between a direction of movement of the terminal and a segment that connects the terminal with each of the plurality of femtocell base stations, and a speed of movement of the terminal; a handover target selection unit configured to select a handover target from among the femtocell base stations based on the calculated expected stay time; and a handover information provision unit configured to provide the terminal with handover information including the selected handover target; wherein the expected stay time calculation unit comprises a femtocell information calculation unit configured to calculate a location of the femtocell base station based on three or more macro cell base stations near the femtocell base station using a least square method.