35results about How to "Transmit power control" patented technology

The invention provides a control method and a device of transmission power, and relates to the communication field. After MSA is led in, a main base station is capable of effectively controlling transmission power of UE on PUCCH of an auxiliary area. The method comprises that the main base station determines transmission power control TPC resources used for the UE. The TPC resources are disposed for the UE by the main base station or by the auxiliary base station. Both the main base station and the auxiliary base station carry the transmission servie of the UCE. The main base station sends the TPC resources and the TPC adjusting the transmission power of the UE on the PUCCH of the axuliary area for the UE so as to allow the UE to identify the TPC according to the TPC resoureces and adjust the transmission power according to the TPC. The auxiliary area is an area for which the auxiliary base station provides services.

The averaging circuit 106 averages the desired wave power measured by the desired wave power measuring circuit 105 within a plurality of time slots to reduce the power error of the desired wave power in each time slot. The SIR measurement circuit 108 calculates the SIR(n) of each time slot based on the average value of the desired wave power of a plurality of time slots and the measured value of the interference wave power of each time slot. The TPC generation circuit 109 calculates the SIR(n) of each time slot. ) and the threshold to generate transmit power control information. This enables highly accurate control of the transmission power for each time slot in asymmetric communication.

The invention provides a power headroom reporting method, a configuration method, a terminal and a base station. The power headroom reporting method can comprise the steps of reporting capability information; and according to a reporting condition corresponding to the capability information, performing power headroom reporting, the capability information comprising information indicating whether the terminal supports full duplex. According to the invention, the corresponding power headroom can be reported according to the capability information.

The present invention relates to estimating the speech quality obtained with a radio channel (37) for speech communication between a mobile station (MS1) and a base station (BS1) in a digital radio telephony system (3) (PLMN), wherewith the speech quality estimation achieved coincides to the greatest possible extent with the user's subjective estimation of the speech quality. A bit error rate associated with the radio channel (37) is measured. A fading frequency associated with the radio channel (37) is also measured. According to the invention, the speech quality is estimated with the aid of the measured bit error content and also with the aid of the measured fading frequency.

Embodiments of the present invention disclose a method for controlling power of an uplink multiple-input multiple-output channel, and a user equipment that are used to support an uplink MIMO application scenario and implement control of transmit power of a UE. The method in the embodiments of the present invention includes: when total transmit power of a user equipment UE is greater than maximum allowed transmit power, performing, by the UE, power reduction for an uplink multiple-input multiple-output MIMO channel on which a main data transmission block and a secondary data transmission block are sent, so that the total transmit power of the UE after the reduction is less than or equal to the maximum allowed transmit power.

The present invention aims at efficiently controlling the transmission power of a plurality of uplink carrier components used in wireless communication by a mobile station apparatus and a base station apparatus. A mobile station device performs wireless communication with a base station device using a plurality of component carriers. The mobile station apparatus receives downlink control information from the base station apparatus. The downlink control information includes: information indicating radio resource allocation of a downlink shared channel configured in any downlink component carrier; A TPC command of a link control channel, which is an uplink control channel of an uplink component carrier for transmitting ACK / NACK for a downlink shared channel.

A kind of power control method in the high speed shared control channel, includes the following steps: A. determines the demodulation performance of the high speed shared control channel HS-SCCH at the base station (s101); B. adjusts the transmission power offset parameter of the high speed shared control channel HS-SCCH at the base station according to said demodulation performance of the high speed shared control channel HS-SCCH (s 102); C. adjusts the transmission power of the high speed shared control channel HS-SCCH according to the adjusted power offset parameter of the high speed shared control channel HS-SCCH (s103). The invention adaptively increases or reduces the transmission power according to the case that the down channel transmission power is on the low side or on the high side. It can be validly guaranty the demodulation performance requirement and the user data transmission rate, and also can make the most of the Node B downlink transmission power.

Disclosed is a radio terminal capable of providing flexible transmission power control of SRS without being restricted by transmission power control of PUSCH in order to realize utilization of SRS for various purposes in a HetNet CoMP environment. The wireless terminal receives a control signal including a transmission power control command (TPC command) applicable to an aperiodic sounding reference signal (A-SRS) through the physical downlink control channel (PDCCH), and uses the TPC command to update the A-SRS transmit the power value, and transmit the A-SRS with the updated transmit power value according to the transmission request contained in the control signal notifying the allocation of the physical downlink data channel (PDSCH) or the allocation of the physical uplink data channel (PUSCH).

The embodiment of the invention provides an antenna module and a related device. The antenna module comprises an antenna and at least one sensing electrode, and the sensing electrode is located in an area which can be electromagnetically shielded by the antenna in at least one direction. The method comprises the following steps: acquiring a total self-capacitance change amount of a sensing electrode through a related device applied to an antenna module, and determining a first self-capacitance change amount of an antenna caused by temperature change according to the total self-capacitance change amount of the sensing electrode and a preset self-capacitance change proportionality coefficient; and determining a difference value between the total self-capacitance change amount of the antenna and the first self-capacitance change amount as a second self-capacitance change amount of the antenna caused by approaching of the object. According to the antenna self-capacitance change detection method, the antenna self-capacitance change caused by object approaching can be accurately determined, so that whether an object approaches or not is accurately judged, and the transmitting power of the antenna is better controlled and adjusted.

A first reception power measuring section 206 measures reception power of individual channel signals transmitted with a narrow directivity, and a second reception power measuring section 207 measures reception power of common channel signals transmitted with a wide directivity. A determining section 210 determines the presence or absence of a directional shift based on an average reception power of the individual channel signals and an average reception power of the common channel signals. A transmission power controlling means 211 performs transmission power control based on the determination result. This makes it possible to correctly determine the cause of a reduction in reception power and to control transmission power accurately.

The disclosure relates to a method and a device for controlling open-loop power and a computer readable storage medium, and belongs to the technical field of communication. The method comprises the following steps: access network equipment determines a first path loss compensation factor of a first terminal and a second path loss compensation factor of a second terminal; and the access network equipment sends transmission power configuration information, wherein the power configuration information comprises the first path loss compensation factor and the second path loss compensation factor. The transmission power configuration information sent to the terminal by the access network equipment includes the first path loss compensation factor and the second path loss compensation factor, andthe terminal can select one of the first path loss compensation factor and the second path loss compensation factor as required to control the transmission power of the terminal, so that the application is flexible.

Provided is a transmission power control method capable of accurately controlling a transmission power even when the transmission power control time is limited. The method includes: a first measurement step for measuring an output power of a power amplifier before mode switching during a symbol section preceding a symbol section for switching the power amplifier mode; a first setting step for setting a target power of the power amplifier after the mode switching according to the measurement result obtained in the first measurement step and a transmission power control signal; a second measurement step for measuring an output power of the power amplifier after the mode switching which is controlled by using the target power set by the first setting step, during the symbol section for switching the power amplifier mode; and a second setting step for setting a target power corrected according to the measurement result obtained by the second measurement step.

The invention discloses an electric cooker, and a wireless power supply system for an electric cooker and a control method thereof. The system comprises a wireless power supply transmitting end, a controller and a wireless power supply receiving end. The wireless power supply transmitting end comprises: a transmitting coil arranged in a housing of an electric cooker, wherein the transmitting coilis arranged around a heating area and / or a display control area of the electric cooker; and a power module configured to supply an alternating current to the transmitting coil to allow the transmitting coil to generate an alternating electromagnetic field. The wireless power supply receiving end comprises: a receiving coil configured to generate an induction current according to the alternating electromagnetic field; a first capacitor connected in parallel with the receiving coil; a detection module configured to detect the voltage of the first capacitor; and a controller configured to outputan alternating current of a preset voltage by controlling the power module to control the wireless power supply transmitting end to start at a corresponding transmitting power and receive the voltageof the first capacitor and regulate the transmitting power for the wireless power supply transmitting end according to the voltage of the first capacitor after the wireless power supply transmitting end is controlled to start.

An improved power control method and device for a mobile terminal are provided to facilitate a random access procedure in a mobile communication system based on a distributed antenna system. The method includes: receiving, by a terminal, system information from a base station, the system information including transmission power information for transmitting a random access preamble; calculating transmission power using the transmission power information; and transmitting the random access preamble using the calculated transmission power .

The invention provided cellular system, base station and mobile station and communication control method. The cellular system comprises a mobile station and several base stations which are in a soft handoff state with the mobile station and set up and down special channels with the mobile station. One of the several base stations serves as a grouping transmission base station and transmits a grouping to the mobile station via a sharing channel. The mobile station comprises a device which controls receiving quality of transmission power control signals transmitted from the grouping transmission base station and contained in a down special channel by controlling interference ratio of target signal received by the down special channel; and a device for generating transmission power control signals of the down special channel.

The invention discloses a transmission channel power adaptive method, an adaptive device, and a sending device. The method includes adjusting the transmission channel power when the sending device is in the first working state, so that the E of the receiving device s / N 0 Satisfy the theoretical demodulation threshold; when the sending device switches to the second working state, according to the adjusted transmission channel power in the first working state, the working parameters of the sending device in the first working state, and the parameters of the sending device in the second working state Working parameters, and the theoretical demodulation threshold E of the receiving device in the first working state s / N 0 and the theoretical demodulation threshold E of the receiving device in the second working state s / N 0 , calculating actual transmit channel power when the sending device is in the second working state, and configuring the actual transmit channel power for the sending device in the second working state. When guaranteeing the link quality, the transmission power should be reduced as much as possible to reduce the interference of adjacent channels and the burden of satellite transponders and power amplifiers.

The present disclosure relates to an open-loop power control method, device and computer-readable storage medium, belonging to the technical field of communications. The method includes: an access network device determining a first path loss compensation factor of a first terminal and a second path loss compensation factor of a second terminal; the access network device sending transmit power configuration information, the power configuration information including the first path loss compensation factor and the second path loss compensation factor. The transmit power configuration information sent by the access network device to the terminal includes the first path loss compensation factor and the second path loss compensation factor. One is to control the transmit power of the terminal, and the application is more flexible.