Patent ID: 8937905
Filing Date: 2015-01-20
Classification: H04W,Y02D

Abstract:
1. A base station apparatus that wirelessly communicates with a wireless terminal, comprising: a determination portion that determines a wireless terminal of a normal mode which is connected to and always communicable with the base station apparatus exists in the service area, a wireless terminal of a sleep mode which is connected to and intermittently communicable with the base station apparatus exists in the service area, and a wireless terminal of an idle mode which is not connected to the base station apparatus exists in the service area; and a setting portion that sets a first mode in which a first period in which the base station apparatus is communicable with the wireless terminal and a second period in which the base station apparatus is incommunicable with the wireless terminal are provided alternately when the determination portion determines that the wireless terminal of the normal mode does not exist in the service area, sets a second mode in which the base station apparatus is always communicable with the wireless terminal when the determination portion determines that the wireless terminal of the normal mode exists in the service area, sets the second period to a first length and does not change a length of the first period when the determination portion determines that at least one of the wireless terminals of the sleep mode and the wireless terminal of the idle mode exists in the service area and when the setting portion sets the first mode, and sets the second period to a second length longer than the first length and does not change the length of the first period when the determination portion determines that neither the wireless terminal of the sleep mode nor the wireless terminal of the idle mode exists in the service area and when the setting portion sets the first mode.