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608results about How to "Save consumption" patented technology

Distributed antenna system, base station device, and antenna selection control method

An optimum communication mode and an optimum antenna are selected according to traffic and a radio propagation status of a terminal. With the use of traffic information between a base station and the terminal, an SISO communication or an SIMO communication is conducted if the traffic is small. It is determined whether the MIMO communication should be conducted, or not, if the traffic is large. An antenna that can exert the effect as the MIMO communication is selected by using the radio propagation channel state information between the distributed antennas of the base station and the antenna of the terminal. Also, because the selection of the antenna is changed by conducting the MIMO communication, an antenna optimum for the terminal that conducts the SISO communication or the SIMO communication is re-selected taking the interference influence on the terminal that conducts the SISO communication or the SIMO communication into account.
Owner:HITACHI LTD

Speculative execution control with programmable indicator and deactivation of multiaccess recovery mechanism

Mechanisms and techniques operate in a computerized device to enable or disable speculative execution of instructions such as load instructions on one or more processors in the computerized device. The mechanisms and techniques can execute a set of instructions on a processor in the computerized device and can detect a value of a speculation indicator. If the value of the speculation indicator indicates that speculative execution of load instructions is allowed in the computerized device, the mechanisms and techniques allow speculative execution of load instructions in the processor, whereas if the value of the speculation indicator indicates that speculative execution of load instructions is not allowed in the computerized device, the mechanisms and techniques do not allow speculative execution of load instructions in the processor. An instruction in code can turn on and off the speculation indicator, which can be one or more bits in a control register or in page table entries associated with pages of memory. Under certain conditions, speculative execution correction mechanisms can be enabled, disabled or removed from a processor.
Owner:ORACLE INT CORP

Geofence with kalman filter

A least squares geofence method that minimizes trigger misfires caused by data variability and location blunders and minimizes delayed / missed entry triggers generated under urban or indoor conditions. The least squares geofence method uses a weighted least squares (LS) model to compute a location estimate for a target device. A LS location estimate is used to determine if a target device is located inside or outside a predefined geofence. The present invention additionally comprises a Kalman filter geofence method that further improves the accuracy of entry / exit geofence triggers. A Kalman filter geofence method uses a Kalman filter to filter location data retrieved for a target device. Filtered location data is used to determine if a target device is located inside or outside a predefined geofence. A Kalman filter geofence method estimates velocity and heading information for a target device to generate accurate entry / exit geofence triggers for devices in fast moving mode.
Owner:TELECOMM SYST INC
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