Patent ID: 9565713
Date: 2017-02-07
CPC Classifications: H04W,Y02D

Claim:
1. A mobile communication system comprising: a local base station device; and a user equipment device configured to perform radio communication with at least said local base station device, wherein upon predetermined shift conditions being satisfied, said local base station device shifts from a normal operation state to an energy saving operation state, said local base station device performing a transmission operation for transmitting downlink transmission signals to said user equipment device and a reception operation for receiving uplink transmission signals transmitted from said user equipment device in said normal operation state and stopping the transmission operation for at least part of the downlink transmission signals and performing said reception operation in said energy saving operation state, upon the local base station device in said energy saving operation state receiving said uplink transmission signals transmitted from said user equipment device, said local base station device shifts from said energy saving operation state to said normal operation state, and the mobile communication system further comprising a communication device configured to perform radio communication or wire communication with said local base station device, wherein said shift conditions include at least one of conditions that: