14results about How to "Improve reception performance" patented technology

The present application is a divisional application of Chinese application 201980001584.5. The present disclosure discloses a random access message transmission method, belonging to the technical field of wireless communication. The method comprises: configuring a terminal with a specified power difference interval; receiving a first random access message sent by the terminal according to a first transmission power, wherein the first transmission power comprises a first power of the first random access message in a physical random access channel (PRACH) and a second power of the first random access message in a physical uplink shared channel (PUSCH), and a power difference between the first power and the second power is within the specified power difference interval. Avoiding the case that the result deviation is large when the base station compensates the reception power of the PUSCH in the MsgA according to the reception of the PRACH in the MsgA, and improving the reception performance of the base station on the PUSCH in the MsgA.

This disclosure relates to a communication method, communication device, communication system, storage medium, and program product. The method is executed by a terminal and includes: sending first information to a network device, wherein the first information indicates a set of capabilities satisfying the first condition, and the set of capabilities is related to the terminal's PDCCH reception. The solution of this disclosure can enhance the performance of PDCCH reception in a communication system.

An operation method of an apparatus in a wireless communication system and an apparatus using the same are provided. The method includes: receiving operation information from a base station, the operation information indicating which one of a half-duplex (HD) operation and a full-duplex (FD) operation is performed by a terminal with respect to a specific time resource; and performing, by the terminal, any one of an HD operation and an FD operation on the specific time resource based on the operation information.

The utility model relates to the technical field of antennas, and discloses a planar ultra-wideband antenna which comprises a telescopic rod, a threaded head is fixedly arranged at the upper end of the telescopic rod, and a cross groove is formed in the upper end of the threaded head. A first double-plane type ultra-wideband antenna body and a second double-plane type ultra-wideband antenna body are arranged in the cross groove in a crossed mode, and the upper end of the threaded head is sleeved with an inner threaded cover in a threaded mode. According to the planar ultra-wideband antenna, through the structural design, the planar ultra-wideband antenna has the advantages of being convenient to disassemble, adjustable in height, enhanced in performance and the like, is suitable for the fields of various wireless communication devices, radar systems, electronic countermeasure devices and the like, and has wide application prospects.

The application belongs to the technical field of blood glucose detection, and discloses a non-invasive near-infrared blood glucose detection device, which comprises a laser light source module and sequentially connected germanium single photon avalanche diode modules, a signal amplification module, a data processing module and a display module; the germanium single photon avalanche diode module comprises a silicon substrate, a distributed Bragg reflector, an N-type silicon electrode layer, an avalanche multiplication layer, a P-type silicon charge regulation layer, an intrinsic germanium absorption layer and a P-type germanium electrode layer which are sequentially stacked. The application can improve the effective absorption rate of the optical signal in the germanium single photon avalanche diode module, improve the responsivity, sensitivity and accuracy of the device, and effectively improve the signal-to-noise ratio.

The utility model relates to television accessories technical field discloses folding satellite TV high frequency head storage structure, including storage cylinder, high frequency connector, the high frequency connector rotates and connects the bottom outer wall of storage cylinder through bearing, the top inner wall of high frequency connector is fixedly connected with signal line, signal line is fixedly connected in the bottom inner wall of signal extension frame away from one end of high frequency connector, be provided with storage mechanism on the storage cylinder, be provided with auxiliary mechanism on high frequency connector, the storage mechanism includes T type groove, T type groove sets up in the left side inner wall of storage cylinder, the inner wall sliding connection of T type groove has T type frame. In the utility model, through the linkage design of telescopic spring, T type groove and threaded rod, realize the automatic reset and accurate folding storage of signal frame and signal extension frame, cooperate with the affixed limit of soft board, effectively avoid the high frequency head internal component to shake and crash in the carrying process.

The utility model discloses a mobile filter device for waterborne epoxy resin belongs to waterborne epoxy resin production technical field. A mobile filter device for waterborne epoxy resin, including filter main part and mobile seat, the inside installation of filter main part has filter drum, and the one side of filter main part is provided with diaphragm pump, and the both sides of mobile seat are hinged and are connected with photovoltaic board, and the inside of mobile seat is provided with battery. The utility model solves the problem that the existing filter device is limited by environment, is not favorable to moving, and the adaptability is not good, the utility model moves through universal wheel drive filter main part and diaphragm pump, and the power supply of servo motor and diaphragm pump is given through battery, provides power supply and carries out filtering work, adapts to temporary outdoor work, installs timer and adjusts stepping motor, adapts to sunshine position, improves the receiving effect of photovoltaic board, and photovoltaic board stores into battery through converter with the converted electric energy, to improve the use effect.

This invention provides a BTM enhanced antenna unit, including a first filtering circuit, a power supply and triggering circuit, a logic control unit, and a signal acquisition and decision circuit. The first filtering circuit is disposed between the power transmission loop of the antenna and the BTM, and is used to reduce harmonic radiation of the power transmission loop. One end of the power supply and triggering circuit is connected to the power receiving loop, and the other end is connected to the logic control unit, used to regulate the electrical signal on the BTM cable and output a trigger signal to the logic control unit. The signal acquisition and decision circuit is used to acquire the A4 interface signal, make a decision on the A4 interface signal, and output the decision result to the logic control unit. The logic control unit is used to control the acquisition and transmission of the A4 interface signal according to the trigger signal and the decision result. The BTM antenna unit of this invention has an energy judgment function, which improves the reliability of the BTM antenna, reduces the harmonic radiation of the BTM signal, and improves the compatibility between the antenna unit and the BTM.

The embodiment of the disclosure provides a communication method, device, storage medium and program product, relates to the technical field of communication, and can improve the receiving performance of a synchronization signal in a dense cell scenario or a distributed scenario. The method is applied to a first communication node, and includes the following steps: determining N synchronization signals, the N synchronization signals belong to a same first synchronization signal set, the first synchronization signal set includes Q synchronization signals, N is a positive integer greater than or equal to 1, and Q is a positive integer greater than or equal to N; and sending a first signal to a second communication node, wherein the first signal includes related information about the N synchronization signals.

This invention relates to the field of water-saving and fertilizer-retaining technology for fruit trees, and discloses a water-saving, fertilizer-retaining, and frost-resistant cultivation device for fruit trees. The device includes a pipe buried 80-120cm apart at a depth of 50cm in the planting row spacing of the fruit trees. The outer surface of the pipe has several absorption holes for draining water and fertilizer from the pipe. The top of the pipe is covered with a layer of sand and gravel and kraft paper to cover the absorption holes. This water-saving, fertilizer-retaining, and frost-resistant cultivation device and its method of use, by burying the nutrient trough precisely where most of the fruit tree's root system is located, only requires a small amount of water and fertilizer or nutrient solution to be injected. This avoids the large amount of fertilizer that accumulates in the soil and is not well absorbed and utilized by the roots, resulting in fertilizer waste and soil pollution, which is a consequence of trenching and spraying fertilization. It also saves water wasted on surface irrigation, achieving a good water-saving and fertilizer-retaining effect, and effectively prevents the serious impact of early spring frost on fruit tree flowering.

This application relates to an optical receiver and an optical signal transmission device. The optical receiver includes: a circuit board, at least one optical module receiver, and a multi-channel optical input component. The optical module receiver includes a metal structural component, an optical receiving component, and a photoelectric conversion component. The metal structural component is fixed to one side of the circuit board and forms a closed space with a portion of the circuit board. The photoelectric conversion component is disposed within the closed space on the circuit board. The optical receiving component is disposed on the surface of the metal structural component facing away from the circuit board. Both the metal structural component and the circuit board are grounded. The optical input component is connected to the optical module receiver via an optical fiber. Because the embodiments of this application can form a "Faraday cage," the receiving performance of the optical module receiver can be improved. Therefore, the optical module receiver can receive long-distance, multi-channel optical signals with high speed and anti-interference capabilities. When receiving long-distance transmitted optical signals, the signal quality of the received optical signal can be significantly improved.

The invention discloses a noise estimation method and device for an orthogonal frequency division multiplexing communication system, and the method comprises the following steps: S1, calculating respective initial noise estimation matrixes on subcarriers based on a received training sequence; s2, on the basis of the initial noise estimation matrix, a measurement parameter vector used for representing noise characteristics of each subcarrier is obtained through calculation, and the dimension of the measurement parameter vector is equal to the number of the subcarriers; s3, dynamically and adaptively dividing all the subcarriers into one or more continuous frequency segments according to the measurement parameter vector, and determining the dividing boundary by the change characteristic of the measurement parameter vector in the frequency domain; and S4, for each frequency segment obtained by division, based on the initial noise estimation matrix corresponding to the subcarriers contained in the segment, calculating a noise covariance matrix of the segment, so that colored noise can be more effectively converted into white noise, the detection error of the signal is remarkably reduced, and the receiving performance and demodulation reliability of the whole communication system are improved.

The present application provides a method performed by a user equipment (UE), comprising: receiving an indication signal used for indicating a channel state information reference signal (CSI-RS) resource or resource set; and determining, according to the received indication signal, a CSI-RS resource or resource set with which a reference signal used by the indication signal satisfies a quasi co-location (QCL) relationship.

This invention belongs to the field of integrated wireless and quantum communication technology, specifically an iterative detection method for quantum power domain non-orthogonal multiple access systems. The invention involves constructing a quantum power domain non-orthogonal multiple access system, including a transmitter, a free-space channel, and a receiver. The transmitter sequentially performs channel coding, random interleaving, and quantum coherent state modulation. The receiver includes a Bondurant quantum receiver and a multi-user iterative detector based on the Turbo principle. This invention particularly establishes a photon statistical model at the receiver that considers dead-time effects, incorporating the non-ideal characteristics of the detector into the multi-user detection process. Combined with serial interference cancellation and soft information interaction between the detector and decoder, it achieves iterative detection and decoding of multi-user superimposed signals. This method improves the separation capability, detection accuracy, and decoding reliability of multi-user signals in quantum power domain non-orthogonal multiple access systems.