Patent ID: 9237494
Filing Date: 2016-01-12
CPC Classification: H04W

Claim Text:
1. A handover control method for handover of a mobile station from a first cell to a second cell, comprising: initiating the handover in response to satisfaction of a first state in which a period during which a first handover initiation condition continues to be satisfied is longer than a first hold time, wherein the first handover initiation condition is used when a radio quality of the first cell at a position of the mobile station is equal to or lower than a first level; and initiating the handover in response to satisfaction of a second state in which a period during which a second handover initiation condition continues to be satisfied is longer than a second hold time, wherein the second handover initiation condition is used when the radio quality of the first cell at the position of the mobile station is equal to or greater than a second level, wherein the second hold time is longer than the first hold time and the second level is higher than the first level.