摘要:
A first wireless communication device includes a wireless communication unit to transmit to a control point of a wireless network an information request frame identifying a second wireless communication device in the wireless network; wherein the wireless communication unit is to receive from the control point a response including wakeup information indicating a wakeup schedule of the second wireless communication device; and wherein, based on the wakeup information, the wireless communication unit is to transmit a wireless transmission to the second wireless communication device during a wakeup period indicated in the wakeup schedule. The wireless communication unit transmits a wireless transmission directly to the latter device during the wakeup period based on the wakeup information. The device facilitates power consumption by switching a station from an active mode of operation to a power save mode of operation, thus prolonging service life of a battery.
摘要:
PROBLEM TO BE SOLVED: To provide a base station that supports a transmit standby mode and an active mode.SOLUTION: Transmit standby mode is a low power/low interference level of operation as compared to active mode. In the transmit standby mode, some of the synchronization signaling such as pilot tone signaling is reduced in power level and/or rate with respect to the active mode. In the transmit standby mode, the base station may have some sleep state registered wireless terminals being serviced. Mode transitions from active to transmit standby may be in response to: a detected period of inactivity, scheduling information, base station mode change signals, and/or detected wireless terminal state transition. Mode transitions from transmit standby to active may be in response to: scheduling information, access signals, wake-up signals from the wireless terminal, hand-off signals, etc.
摘要:
Power consumption is reduced. A wireless communication system (1) includes a wireless base station (10), a mobile station (30) configured to communicate with the wireless base station (10), and a relay station (20) configured to relay the communication between the wireless base station (10) and the mobile station (30). When the number of the mobile stations (30) communicating with the wireless base station (10) is judged to have become smaller than or equal to a given number, a power controller (2b) in the relay station (20) executes at least one of power control to cut off the power for relaying the communication, power control to perform intermittent operation, and power control to perform power-saving operation.
摘要:
The mobile communication method according to the present invention includes a step A of transmitting, by a mobile station UE communicating in a cell #A of a first frequency f1, a "proximity indication" to a radio base station eNB#A managing the cell #A, when the mobile station UE detects an entry in to or an exit from a predetermined area #1 corresponding to a CSG cell #1 of a second frequency f2 for which the mobile station UE has the access permission, a step B of transmitting, by the radio base station eNB#A, a transmission power control message to a radio base station HeNB#1 managing the CSG cell #1, in accordance with the "proximity indication", and a step C of controlling, by the radio base station HeNB#1, the transmission power of the signal in the CSG cell #1, based on the transmission power control message.
摘要:
PROBLEM TO BE SOLVED: To provide an improved method for initiating services to mobile terminals and to reduce power consumption of mobile terminals.SOLUTION: An entity located in a core network manages a mobile terminal capable of communicating with the core network through a first access network and a second access network, where radio access technology of the first access network is different from that of the second access network. The entity comprises: transmitting means that transmits through the second access network a paging request to be routed through the first access network when the mobile terminal is attached to the second access network; receiving means that receives from the mobile terminal through the second access network, a message requesting a service to be delivered through the first access network; and command transmitting means that transmits a command for handover to the first access network through the second access network.
摘要:
Provided is a communication system wherein first, second and third communication apparatuses perform time division multiplex communications in respective predetermined frame periods. A first communication apparatus comprises a control unit that causes a first control signal, which is to be repetitively transmitted to a second communication apparatus in a first frame period with reference to a predetermined frame position, and a second control signal, which is to be repetitively transmitted to a third communication apparatus in a second frame period with reference to the predetermined frame position, to be transmitted. The number of frames in the first frame period is a multiple of the number of frames in the second frame period. The control unit transmits, to the second communication apparatus, the first control signal in the first frame period at the N-th frame position from the predetermined frame position, and transmits, to the second communication apparatus, the second control signal in the second frame period at the M-th frame position from the predetermined frame position.