33results about How to "Adjust transmit power" patented technology

The invention provides a diamond NV color center magnetic detection module and a magnetic detection system. The diamond NV color center magnetic force detection module comprises a diamond NV color center ensemble sheet connected with an optical fiber, magnetic flux gathering modules which are respectively arranged on the upper surface and the lower surface of the diamond NV color center ensemble sheet, and microwave antenna modules; a groove is formed in the side surface of the diamond NV color center ensemble sheet, and the optical fiber is arranged in the groove; a mirror surface total reflection coating is sputtered on the surface of the diamond NV color center ensemble sheet, and the mirror surface total reflection coating avoids the groove; the at least two microwave antenna modules are respectively arranged between the diamond NV color center ensemble sheet and the magnetic flux gathering modules, and the microwave antenna modules are used for being connected with a microwave source; and fluorescent light generated by the diamond NV color center ensemble sheet under the excitation of the laser and the microwave source is emitted from the optical fiber through the mirror surface total reflection coating. The magnetic detection system provided by the invention is small in size, convenient to carry and high in detection sensitivity.

The invention discloses a digital slice scanner sample identification device, and relates to the digital slice scanner for solving the problem that a bar code scanner can normally read a bar code label through the light contact, and the samples cannot be read due to the shielding of the bar code since the samples are stored in the digital slice scanner or scanning samples are stacked. The device comprises a digital slice scanner, and scanning samples; a near-field communication NFC read-write module is arranged in the digital slice scanner, and a NFC label is arranged on each scanning sample.By using the NFC technology, the NFC label data in a large amount of scanning samples can be read within short time, a feedback indication can be provided, and the working efficiency is greatly improved. The invention further discloses a digital slice scanner sample identification method.

The invention relates to the method of detecting the reverse connecting channel beaming in the wireless communicating system. The invention mainly includes: firstly, the ahead seasonal quick real time broadcast message bears the weight of the reverse loading instance information; then, the connecting end gains the reverse load instance information from the said broadcast message, the corresponding reverse connecting channel delivering power can be adjusted and determined by the reverse loading instance, furthermore, the parameter needed by the connecting end adjusting arithmetic can be broadcasted through the system message. So the invention can adjust effectively the beaming power of the connecting channel according to the current real time reverse loading instance, for example, when the reverse load is heavier, the beaming power of the connecting channel can be added properly, in this way, the connecting speed and the succeeding rate can be improved, the power disturbing can be reduced. And, the invention adopts the existing key word of the broadcasting message to pass the parameter information needed by the invention, so the agility and the afterward compatibility can be assured.

The present invention discloses a method and system for adaptive space-time closed-loop transmit diversity. In each time slot, the symbols to be transmitted make space-time coding and output two signals; sending to two groups of antennas after amplifying the signals, respectively, and sending the two signals to a mobile terminal, then the mobile terminal estimates the each-path signals from each antenna, and computing the power of the first group antenna and the second group antenna and comparing them so as to obtain FBI bits, and transmitting them to the base station over uplink channel, then the base station will storage the FBI bits In the delay line; retrieving power ratio from the FBI bits. In the delay line; computing the weighting of transmit power of the first group antenna and the second group antenna according to the power ratio, and adjusting the transmit power of the two antennas. The disclose of the present Invention may adjust the transmit power of the two groups of transmit antennas adaptively, and having more diversity gain comparing with open-loop way.

The invention relates to a distributed joint resource allocation method for coordinating 5G ultra-dense network interference, and belongs to the technical field of communication. The method comprises the following steps: dividing cell users based on distance; determining a channel allocation scheme according to the cell user division to reduce the interference received by the user; determining a power adjustment scheme according to the channel allocation scheme, minimizing the power consumption on the premise of ensuring the communication quality, and dividing the cell users according to the size relationship between the distance from the cell users to the target base station and the constrained predefined distance constant; based on the divided user types, reducing inter-cell same-frequency interference of the users in a combined manner, and reducing the energy consumption, so a reasonable distributed channel allocation and power adjustment scheme is realized.

The invention discloses a resonance-type wireless power supply system and a power adjustment method thereof and system. The resonance-type wireless power supply system comprises a charging switch anda resonant ring connected with the charging switch. The method comprises steps: a first PWM signal in a first frequency with an adjustable duty cycle is outputted; a second PWM signal in a second frequency with an adjustable duty cycle is outputted, wherein the first frequency is larger than the second frequency; the second PWM signal is used to carry out pulse width modulation on the first PWM signal to obtain a modulation-driven PWM signal; and the modulation-driven PWM signal is used to drive the charging switch, and the transmitting power of the resonant ring is further adjusted. On one hand, the output power of the resonant ring can be controlled to be adjusted from zero; on the other hand, finer power adjustment effects can be acquired; and besides, the PWM signal acquisition mode and device cost is low.

The invention relates to the method of detecting the reverse connecting channel beaming in the wireless communicating system. The invention mainly includes: firstly, the ahead seasonal quick real time broadcast message bears the weight of the reverse loading instance information; then, the connecting end gains the reverse load instance information from the said broadcast message, the corresponding reverse connecting channel delivering power can be adjusted and determined by the reverse loading instance, furthermore, the parameter needed by the connecting end adjusting arithmetic can be broadcasted through the system message. So the invention can adjust effectively the beaming power of the connecting channel according to the current real time reverse loading instance, for example, when thereverse load is heavier, the beaming power of the connecting channel can be added properly, in this way, the connecting speed and the succeeding rate can be improved, the power disturbing can be reduced. And, the invention adopts the existing key word of the broadcasting message to pass the parameter information needed by the invention, so the agility and the afterward compatibility can be assured.

The invention relates to a launching power regulation method saving the wireless node energy consumption, which belongs to the wireless communication technology field. The method comprises the following steps: sending nodes transmit N data packets to receiving nodes; the packet-receiving ratio q can be worked out according to the confirmation frames quantity; when the packet-receiving ratio q is bigger than the preset lower limit qt, if the launching power p is Pmin, the operation is over; if the P is not the minimum value, the P value can be lowered, and the packet-receiving ratio q can be worked out according to the confirmation frames quantity; if the packet-receiving ratio q is lower than the preset lower limit qt, and the current P is not the maximum value, the P can be heightened, and the operation is over; the packet-receiving ratio q is lower than the preset lower limit qt, and the current P is Pmax, and the packet-losing ratio under the temporary storing current launching power is qmax; sending nodes can lower P and transmit the N data packets to the receiving nodes; the packet-receiving ratio q can be worked out according to the confirmation frames quantity; if the packet-receiving ratio q is not lower than the r*qmax, the new packet-receiving ratio q can be worked out according to the confirmation frames quantity; if the packet-receiving ratio q is lower than the r*qmax, the P is stopped heightening. The method can ensure that the wireless node can meet the least energy consumption application requirements, thus effectively prolonging the service life of the wireless node.

The invention discloses a method, a system and equipment for optimizing cell reference symbols. The method comprises the following steps that: a network node receives a measurement event from UE; the network node determines the information of the UE according to the measurement event; and the network node optimizes the cell reference symbols of the UE according to the information of the UE. The coverage condition of the cell reference symbols is acquired by using the measurement event of the UE, and the cell reference symbols are optimized and the transmitting power of the cell reference symbols is adjusted according to the coverage condition so as to fulfill the purpose of automatically optimizing the cell reference symbols; and the cell reference symbols can be accurately optimized without modifying a protocol.

The object of the invention, which relates to a method and an arrangement for reducing the mutual interference of network subscribers in radio networks, is to provide a solution by means of which data collisions are reduced and thus the data throughput rate of a radio cell is increased. According to the invention, this object is achieved in terms of the method in that the cell size of a radio cell is adjusted by reducing the receiver sensitivity of one or more devices belonging to the radio cell if the device receives interference which disrupts its communication from another device belongingto a different radio cell.

The invention discloses a resonant wireless power supply system and its power adjustment method and system. The resonant wireless power supply system includes a charging switch and a resonant ring connected to the charging switch. The method includes a first The first PWM signal of frequency; the second PWM signal of the second frequency with adjustable duty cycle; wherein, the first frequency is greater than the second frequency; the second PWM signal is used to perform pulse width modulation on the first PWM signal to obtain modulation Driving the PWM signal; the charging switch is driven by the modulated driving PWM signal, so as to adjust the transmission power of the resonant ring. On the one hand, the present invention can control the output power of the resonant ring to be adjusted from zero; on the other hand, it can obtain a finer power adjustment effect; in addition, the cost of the method and device for obtaining the PWM signal is very low.

The invention discloses an emission control circuit applied to a multipole subarray acoustic logging instrument. The emission control circuit comprises a control module, a high-voltage DC-DC module, acharging module, and a driving module. The control module is connected with an upper computer and comprises an FPGA chip. The FPGA chip is respectively connected with the high-voltage DC-DC module, the charging module, and the driving module. The emission control circuit can realize the adjustment of the frequency of an excitation signal of a transmitting transducer and of transmitting power of the transmitting transducer at the same time, thereby having adjustability and flexibility to accommodate measurement requirements of different wellbores and various complex underlayers, and is very suitable for actual logging work.

The invention provides a downlink power control method and user equipment. The downlink power control method comprises an inner loop power control step, wherein the inner loop power control step comprises the following steps of obtaining signal to noise ratio information of a receiving signal; obtaining a cyclic redundancy check result of the receiving signal; when the cyclic redundancy check result shows that the cyclic redundancy check passes and the signal to noise ratio information is greater than a preset threshold, generating a first transmitting power control command for controlling a base station to reduce the transmitting power; and transmitting the first transmitting power control command to the base station. According to the downlink power control method and the user equipment, the floor effect of a signal to noise ratio target value of UE (User Equipment) can be effectively inhibited.

The invention discloses a power allocation algorithm based on reinforcement learning to solve cognitive radio, S1, setting the initial value parameters of the deep learning algorithm, S2, setting the scene model of the CR-NOMA system, and setting the initial state and action State collection; S3, when a certain calculation moment t is less than or equal to the maximum limit time value T max When , obtain the state value at time t and calculate the corresponding reward function, and calculate the TD error δ t ; S4. Select the user's next action based on the value function, and use the learning rate and the TD error value function to update the initial value function to Q(s t ,a t )←Q(s t ,a t )+η c δ t ; Then get the corresponding reward according to the selected execution action, and obtain the policy function π(g), and then update it to π(s t ,a t )←π(s t ,a t )‑η a δ t ;π(g); S5. According to step S3, the TD error value is minimized, iteratively updated, and finally the maximum reward function value is obtained, that is, the allocation algorithm ends. It solves the problem in the prior art that power allocation cannot be well performed under the premise of incomplete channel information.