102results about How to "Implement power control" patented technology

Disclosed is an uplink power control method, for controlling that the sum of transmit power of all uplink channels in a sub-frame does not exceed maximum transmit power allowed by UE. The method comprises: the UE determining the transmit power of uplink channels on each carrier; for each frequency band, the UE judging whether the sum of the transmit power of the uplink channels on the carriers in the same frequency band exceeds the maximum transmit power of the frequency band; if not, the UE maintaining the calculated transmit power of the uplink channels on each carrier; and if yes, the UE reducing the transmit power of the uplink channels on the carriers in the frequency band based on the maximum transmit power of the frequency band, so as to ensure that the sum of the transmit power of the uplink channels on the carriers in the frequency band does not exceed the maximum transmit power of the frequency band and that the sum of the transmit power of the uplink channels in all the frequency bands does not exceed the maximum transmit power allowed by the UE. Also disclosed is a device for implementing the method.

The invention discloses a power control method and a power control device of a physical uplink control channel (PUCCH). In a time division duplex (TDD) mode-based system, a base station determines a power control parameter of physical uplink power control according to a response information feedback method and performs power control according to the determined power control parameter. Through the method, the power control parameter of the PUCCH is configured by a multiplexing feedback way and a format 3 feedback way in the TDD mode, so that power control is realized.

An arrangement for controlling transfer of information, comprising a radio system and a terminal equipment, which radio system comprises at least two base stations and is configured to set up simultaneous connections between the terminal equipment and at least two base stations, the terminal equipment being configured to measure properties of the connections between the terminal equipment and the base stations, and to select at least one of the base stations as a primary base station, information transfer between the primary base station and the terminal equipment being activated, and the radio system comprising a combining-splitting point, which is configured to carry out combining/splitting functions on information flows transmitted via connections set up over different physical transmission paths. The radio system is configured to restrict transfer of information between at least one secondary base station and the combining-splitting point, the terminal equipment having an inactive connection with the secondary base station.

The embodiment of the invention discloses a method for power control in a multi-hop mobile communication system, which is used in a multi-hop mobile communication system consisting of a mobile station MS, relay station RS and a base station BS and comprises the following steps that: the RS receives an uplink signal sent by the mobile station MS, measures the uplink signal, acquires a power control command according to the result of the measurement and transmits the power control command to the MS; and the MS sets a transmission power according to the power control command. The embodiment of the invention also discloses a system for power control and a relay station capable of performing power control. The technical proposal disclosed in the embodiment of the invention can realize power control in an RS-based multi-hop mobile communication system.

The invention discloses an intelligent vacuum electric kettle. The intelligent vacuum electric kettle comprises a vacuum kettle body, a base, a cover and a handle, wherein the cover and the handle are connected together; a heating detection fixing unit extends from the cover into the vacuum kettle body, and a plurality of heaters are arranged around the outer surface of the heating detection fixing unit and connected with a power controlling device through a master control circuit board; the vacuum kettle body is arranged on the base, and a power coupling device is arranged between the base and the lower portion of the handle and connected with the power controlling device; the heating detection fixing unit is provided with a water level detector, a temperature sensor and a TDS (total dissolved solids) water quality detector, which are connected with the master control circuit board. The intelligent vacuum electric kettle can effectively achieve heat preservation and isolation and reduce noise, determine whether contained water is tap water or purified water and further control boiling time to eliminate chlorine content in the tap water.

The invention discloses a PUCCH power control method and device, and relates to the communication technology. When UE supports PUCCH transmission on different uplink carriers corresponding to different carrier sets, the uplink carrier where PUCCH transmission is located in a current uplink sub-frame is determined, and as for the uplink carrier where each PUCCH transmission is located, power adjusting cumulant corresponding to a PUCCH transmitted on the uplink carrier of the current uplink sub-frame is determined based on a TPC command received from at least one downlink carrier in at least one carrier set for transmitting UCI in the PUCCH of the current uplink sub-frame on the uplink carrier; according to PUCCH power control parameters and the power adjusting cumulant corresponding to the uplink carrier, transmit power of the PUCCH transmitted in the current uplink sub-frame on the uplink carrier is determined, and accordingly PUCCH power control is achieved.

The invention belongs to the field of locomotive control, and provides a diesel engine and a storage battery pack-based dual-power locomotive control method and device. The method comprises the steps of: collecting switching value and handle level position information of a locomotive; judging the operating condition of the locomotive by utilizing the switching value and the handle level position information; and realizing dual-power locomotive control according to the operating condition of the locomotive. The device comprises a collecting unit used for collecting the switching value and the handle level position information of the locomotive, a judging unit used for judging the operating condition of the locomotive by utilizing the switching value, frequency and the handle level positioninformation of the locomotive, and a control unit used for realizing dual-power locomotive control according to the operating condition of the locomotive. According to the method and device provided by the invention, the operating condition of the locomotive is judged through collection of various parameter information of the locomotive to realize the control of the dual-power locomotive under various operating conditions, and the efficiency and the reliability are high.

The embodiment of the invention discloses a power control method, which comprises that: a base station computes an effective code rate currently supported by user equipment according to CQI reported by a user equipment side; and the base station adjusts the transmission power of an HS-PDSCH according to the continuous changing condition of the effective code rate and a preset effective code rate threshold. The embodiment of the invention also discloses a power control device. The method and the device can reduce the transmission power of the HS-PDSCH as possible to reduce interference caused on adjacent cells by the HS-PDSCH under the condition that the quality of service of the HS-PDSCH is guaranteed, thus the power control on the HS-PDSCH in an FDD mode is realized; and simultaneously, the method and the device also can improve the overall performance of a system.

The invention belongs to the technical field of mechanical engineering, and particularly relates to a full hydraulic transmission-based crawler bulldozer. The full hydraulic transmission-based crawler bulldozer consists of a bulldozer blade, a hydraulic oil cylinder, a push rod, a body, a cab, a frame, a track roller, a carrier roller, a drive sprocket, a crawler track, an engine, a variable hydraulic pump, a hydraulic motor, a crawler drive axle, a hydraulic hose and couplings, wherein the upper part of the bulldozer blade is hinged with the hydraulic oil cylinder; the wall of the hydraulic oil cylinder is fixed to the body and the cab; the lower part of the bulldozer blade is hinged with the push rod; the push rod is hinged with the frame; the frame is positioned on the crawler track through the track roller; the front part of the frame is provided with a guide roller, and the upper part of the frame is provided with the carrier roller; the engine is connected with the variable hydraulic pump through a first coupling; the variable hydraulic pump is connected with the hydraulic motor through the hydraulic hose; the hydraulic motor is connected with the crawler drive axle through a second coupling; the crawler drive axle drives the drive sprocket; and the drive sprocket is engaged with the crawler track. The engine can be flexibly arranged because the hydraulic hose for conveying hydraulic fluid has the characteristic of flexibility. The full hydraulic transmission-based crawler bulldozer realizes stepless transmission of the bulldozer in a true sense; the power of the hydraulic motor cannot be interrupted during a variable-displacement gear change; and the operation is simple.

The inventive embodiment discloses an initial power control method, which includes that: calculate the path loss between a mobile platform and a base station; according to the path loss and the transmission power intensity of the distributed carrier frequency where the calling is, predict the intensity of the downlink signal received by the mobile platform; according to the intensity of the downlink signal received by the mobile platform, determine the power intensity of power transmission, and inform the base station of transmitting power according to the power intensity. Besides, the inventive embodiment also discloses an initial power control system and device. The technical proposal disclosed in the invention realizes the power control of the initial segment by indirectly obtaining the relatively accurate information of the downlink signal intensity received by the mobile platform, and reduces the interference to the system and saves the power consumption of the base station.

The embodiment of the invention provides an uplink power control method based on movable sub frame under time division duplex (TDD) model. The method comprises the following steps: generating transmitting power of each uplink sub frame respectively according to the transmitting power of a pervious uplink sub frame of each uplink sub frame in a plurality of uplink sub frames, or the transmitting power of the pervious fixed uplink sub frame, wherein the uplink sub frames comprises at least one fixed uplink sub frame and at least one uplink sub frame configured by movable uplink sub frames. In the embodiment, the transmitting power of each uplink sub frame is generated in the presence of the sub frame including at least one fixed uplink sub frame and at least one uplink sub frame configured by the movable uplink sub frame, so that the power control under the condition including movable uplink sub frames is realized.

The invention discloses a charging method of an electric bicycle charging station capable of reserving charging. The electric bicycle charging station includes a cloud server, a user mobile phone, a charging card, charging piles dispersed at every place of a city and electric bicycles to be charged. The charging method includes steps of step 1, reserving a charging pile; step 2, connecting the charging pile; step 3, identifying charging power of the charging pile; step 4, carrying out prepayment by the user; step 5, monitoring the charging of the charging pile in real time; step 6, calculating the charging cost; step 7, returning rest amount; step 8, informing user of completing charging. The charging method can realize the charging reservation, and provide convenience for user payment through card reading, Wechat, Alipay and other payment methods; meanwhile, the method can accurately calculate the power consumption of the user, reasonably charge, and correct the settlement unit from 'Yuan' to 'cent'; thus the reasonability of the electric charge calculation is greatly improved.

The embodiment of the invention discloses a control method and a control device for a vertical-axis wind generating set, which are used for realizing power control to the vertical-axis wind generating set, and have strong practicability and universality. The control method provided by the embodiment of the invention comprises the following steps: acquiring the wind speed of ambient environment of the vertical-axis wind generating set and a wind wheel rotating speed of the vertical-axis wind generating set; judging whether the wind speed is greater than the rated wind speed or not, and if the wind speed is less than the rated wind speed, calculating the first tip speed ratio via the wind speed, the wind wheel rotating speed and the wind wheel rotating radius; performing modification according to the comparison between the optimal tip speed ratio and the first tip speed ratio, so as to obtain the second tip speed ratio; calculating the rotor power coefficient via the second tip speed ratio; calculating the mechanical power generated by the vertical-axis wind generating set according to the rotor power coefficient, the rotor swept area, the wind speed and the air density of the ambient environment of the vertical-axis wind generating set; and issuing the mechanical power to a converter, and controlling the electromagnetic torque of a synchronous generator through the converter, so as to adjust the rotating speed of the synchronous generator.

The invention provides a power control method, a receiving method, a power distribution method and related equipment. The power control method performs transmitting power control on an uplink transmission running on a first target BWP (bandwidth part) by using a target uplink power control parameter corresponding to the first target bandwidth part BWP. Through the power control method provided bythe invention, the power control of the BWP is realized, and the power control of one or more BWPs is standardized.

The embodiment of the invention provides a mobile terminal, a communication method thereof and a RF calibration circuit. The communication method comprises the steps of detecting an antenna environment where the mobile terminal is; finding communication parameters corresponding to the antenna environment from a parameter table, wherein the parameter table is obtained by calibrating the mobile terminal by adding adjustable matching networks to the RF circuit of the mobile terminal, wherein the adjustable matching circuits are used for simulating load impedance in different antenna environments;and communicating by utilizing the found communication parameters. According to the mobile terminal, the communication method thereof and the RF calibration circuit, different communication parameters are called in different antenna environments for communication, and the power control is enabled to more accurate.

The invention provides a power amplifier and a power control method. The power amplifier comprises a cascaded pre-stage circuit and a cascaded driving stage of the power amplifier; a biasing circuit for providing a biasing voltage to a controllable amplification stage; and a controllable amplification stage connected with the biasing circuit and the output end of the cascaded riving stage, whereinthe controllable amplification stage comprises a power amplification module, the power of an output signal is controlled by adjusting the number of power amplification modules, and binary on-off keying modulation is realized by adjusting switching-on and switching-off operations acting on the biasing voltage of the power amplification modules. According to the power amplifier and the power control method, three output power control schemes are realized, the speed of a signal switch in an OOK modulation mode is controlled flexibly, power loss caused by temperature rise is compensated by the optimized biasing circuit, circuits of the invention are realized by adopting a CMOS technology and can be integrated in an SoC system conveniently.

The invention relates to communication technology and discloses a PUSCH (physical uplink shared channel) power control method and a PUSCH power control device. PUSCH power of a current cell user is adjusted by determining own conditions of interference to adjacent cells according to interference level information sent by the adjacent cells, and accordingly power control according to interference between the adjacent cells is realized.

The invention discloses a method for actively dispatching photovoltaic inverters. The method includes sampling alternating-current voltages, alternating-current power and input voltages of direct-current sides of systems in real time; performing PI (proportion and integration) control on real-time output active power of the inverters and active power dispatching slope values and utilizing results as output reference voltages of cell panels; comparing the output reference voltages to actual output voltage values of the cell panels; acquiring PWM (pulse width modulation) waves by means of computation and controlling switch devices of preceding-stage booster circuits by the aid of the PWM waves; enabling actual direct-current input voltages to stably run under the conditions of the reference voltages. The method has the advantages that output voltages of the cell panels are offset from the maximum power point voltages of the cell panels under the control of power loops, output power of the photovoltaic inverters change from the current power to reach the dispatching values, and accordingly power control effects can be realized.

The invention discloses a charging pile reservation method. An electric bicycle power supply station includes a cloud server, a user phone, a charging card, charging piles distributed at each location of a city, and an electric bicycle to be charged. The charging pile reservation method includes the steps: special reservation charging positions are arranged on charging piles; the reservation users have priority of use and the non reservation users can use the charging piles only when no reservation users exist; when a reservation user needs to charge, the reservation user can query the reservation charging positions on the nearby charging piles in advance by means of the user phone to query whether the inquired charging piles have idle reservation charging positions in the target period; and if the inquired charging piles have idle reservation charging positions, the charging positions can be reserved. The charging pile reservation method can realize charging reservation, and is convenient for charging payment for the user.