598 results about "Multiple antenna" patented technology

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine an association between multiple phase tracking reference signal (PTRS) ports and multiple codewords that are to be used for an uplink communication that uses multiple antenna port groups, and transmit the uplink communication using the multiple codewords based at least in part on the association. Numerous other aspects are provided.

The invention provides a diversity communication method and a diversity communication device, which are used for providing a diversity transmission scheme. The first device maps a plurality of modulation symbols corresponding to one transmission block to a plurality of antenna ports; in each mapping, a plurality of consecutive modulation symbols are mapped onto one antenna port. And then, the first equipment maps the modulation symbols on each antenna port to the frequency domain resources corresponding to the antenna ports, and the frequency domain resources corresponding to different antenna ports are not overlapped. Due to the fact that frequency domain resources corresponding to different antenna ports are not overlapped, that is, one transmission block is transmitted on different channels, the transmission block achieves the purpose of diversity transmission. Moreover, when the modulation symbols are mapped to the antenna port, a plurality of continuous modulation symbols are mapped each time, and the mapping mode can keep the phase difference among the plurality of continuous modulation symbols not damaged, so that the communication system can keep a relatively low peak-to-average power ratio (PAPR).

The invention discloses automatic tray placing equipment and a tray placing method, and relates to the technical field of antenna production, the automatic tray placing equipment is used for placing a plurality of antenna products into a target tray, the target tray is provided with a plurality of groove groups, each groove group comprises at least two adjacent material grooves, and the at least two adjacent material grooves are arranged in the target tray. The distance between two adjacent material grooves in each groove group is set to be one of A or M * A; the automatic tray placing equipment comprises a machine table, a feeding module, a middle variable-pitch module and a tray placing module. The machine table is provided with a material receiving station, a variable-pitch station and a tray placing station. The feeding module is movably arranged on the machine table and is configured to transfer the antenna located at the receiving station to the variable pitch station; the middle variable-pitch module is arranged on the machine table and located on the variable-pitch station. The tray placing module at least comprises N material taking mechanisms which are arranged at intervals in the first direction, and the N material taking mechanisms place the N antennas of which the intervals are adjusted by the intermediate variable pitch module into target trays in batches; the invention aims to improve the tray placing efficiency.

The invention provides a communication device, a communication method, a communication system, electronic equipment and a storage medium, which are applied to the technical field of communication and are used for solving the problem that the coverage range and the antenna gain of an existing intelligent antenna cannot meet the use requirements of different use environments. The communication device comprises a multiplexer and a plurality of antenna structures. The multiplexer comprises a common end and a plurality of selection ends. The common end of the multiplexer is coupled with one radio frequency channel, and the common end is used for being switched and conducted with different selection ends in the plurality of selection ends to form a plurality of paths. The multiple antenna structures comprise phased-array antennas, the multiple selection ends comprise first selection ends, and the phased-array antennas are coupled with the first selection ends. The plurality of antenna structures further comprise an omnidirectional antenna, the plurality of selection ends further comprise a second selection end, the omnidirectional antenna is coupled with the second selection end, and / or the plurality of antenna structures further comprise a directional antenna, the plurality of selection ends further comprise a third selection end, and the directional antenna is coupled with the third selection end.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a control signal configuring a low-density pattern for channel state information (CSI) reference signal (RS) reception for a set of multiple antenna ports. The low-density pattern may indicate a subset of the set of multiple antenna ports for the CSI-RS reception via one or more resource blocks (RBs). The UE may receive a set of multiple CSI-RSs that is based on the low-density pattern. In some cases, the UE, or some other training device, may train an artificial neural network to process the CSI-RSs according to the low-density pattern. The artificial neural network may be an example of a generalized neural network or a neural network specific to one or more low-density patterns. The UE may transmit a CSI report based on processing the CSI-RSs according to the low-density pattern.

The embodiment of the invention discloses a target tracking method and device, electronic equipment and a computer readable medium. The method comprises the following steps: scanning by adopting layered wave beams to position targets, the targets comprising newly added targets and known targets; echo signals of a target are received through the multiple antenna arrays, and motion parameters of the target are determined based on the echo signals received by the antenna arrays; fusing the determined motion parameters, and determining the track of the target based on the fused motion parameters; and determining the position of the target at the next moment based on the track. According to the embodiment, the target tracking efficiency and accuracy are improved, and the power consumption of the base station is reduced.

This application describes methods and apparatus to allocate uplink (UL) power dynamically across multiple parallel radio frequency links for wireless devices. The wireless device sets an initial maximum transmit power level (MTPL) for each UL radio link of multiple radio links used for UL traffic based on a duty cycle prediction for the respective UL radio link. The wireless device adjusts the initial MTPL for each UL radio link based on a predicted data throughput for the UL radio link relative to a total predicted data throughput for all UL radio links. The adjusted MTPL for each UL radio link can be also reduced when the UL radio link uses UL multiple input multiple output (MIMO) transmission via multiple antenna ports, e.g., by apportioning the adjusted MTPL among the multiple antenna ports of the UL radio link equally.

Methods and apparatuses for using a single downlink control information (DCI) and supporting simultaneous transmission simultaneous Physical Uplink Shared Channels (PUSCHs) using multiple user equipment (UE) antenna panels are described. In some embodiments, a baseband processor is configured to perform operations comprising: receiving an RRC configuration information from a base station, wherein the RRC configuration information comprises an uplink transmission scheme using multiple antenna panels for transmitting multiple PUSCHs simultaneously using the plurality of the UE antenna panels, wherein the uplink transmission scheme using multiple antenna panels comprises transmission of a single transport block (TB) without repetition, transmission of a single TB with repetition, or transmission of a plurality of TBs, based on a user equipment (UE) capability; receiving a single downlink control information (DCI) that specifies an uplink resource allocation for a plurality of Physical Uplink Shared Channels (PUSCHs); and transmitting the plurality of PUSCHs.

In one implementation, a wireless communications terminal includes a multi-element antenna. In addition, the terminal includes preliminary signal combiners to combine received signals output by corresponding pairs of antenna elements. For each preliminary signal combiner, the signal output by a first of the pair of elements provides a model of interference present in the received signal output by the second of the pair of elements. The preliminary signal combiner is configured to combine the signal output by the first element with the signal output by the second element to produce an initial interference-mitigated signal. The terminal also includes phase shifters to apply complex weights to interference-mitigated signals to produce complex-weighted versions of the interference-mitigated signals and effectively steer a main beam of the antenna to facilitate reception of a desired signal and another signal combiner to combine the complex-weighted versions of the interference-mitigated signals to produce an interference-mitigated output signal.

A method, according to the present disclosure, comprises receiving, from a base station, SRS configuration information, repeating an operation of transmitting the SRS to the base station every N consecutive symbols in a first frequency domain, L times, and repeating an operation of transmitting the SRS to the base station every N consecutive symbols in a second frequency domain, L or M times. The transmission of the SRS is related to multiple antenna ports within the UE, and time resource domains related to the multiple antenna ports do not overlap with each other and are allocated within the N consecutive symbols.

The invention discloses a millimeter wave end-fire horizontal polarization broadband wide-angle scanning phased antenna array and equipment. The array comprises a lower-layer metal surface, a middle metal surface, an upper-layer metal surface, metal through holes, metal blind holes and a feed port, a radiator of the antenna array is composed of rectangular annular patches which are arranged at the front ends of an upper-layer metal surface and a lower-layer metal surface and are provided with concave U-shaped structures, and opening gaps which are etched at the central positions of the front ends of the upper-layer metal surface and the lower-layer metal surface of the substrate integrated waveguide; a plurality of antenna units in the antenna array feed independently through a plurality of feed ports and regulate and control an excitation phase; the metal blind hole is connected with the substrate integrated coaxial line; the substrate integrated coaxial line is composed of a substrate integrated waveguide and a transmission line located on a middle metal face. The substrate integrated waveguide is composed of two layers of dielectric substrates, a bonding layer, an upper-layer metal surface, a lower-layer metal surface and metal through holes. According to the invention, the broadband and wide-angle phase control scanning performance of the array beam in the plane where the array is located is realized.

A transmitter system comprises a mapper configured to map data bits and power information to multiple subcarriers, producing mapped information. A first-level modulator converts this mapped information into subcarrier specifications, each defined by a complex number indicating amplitude and phase. The system includes multiple data stream / power channel digital paths, each with a frequency selector that processes a portion of the subcarrier specifications. An orthogonal subcarrier generator translates these specifications from frequency to time domain, generating baseband real and imaginary signals. A second-level modulator processes these signals with intermediate-frequency sine and cosine waves to produce IF I and IF Q signals. A beamformer modifies the phase and / or amplitude of these signals across multiple antenna channels, creating directed signals. Finally, a combiner adds output signals from each data stream / power channel digital path, directing them to corresponding antenna channel modules, facilitating efficient transmission across multiple channels.

The invention discloses an automatic fault prediction method and system for operation and maintenance of a base station, and relates to the technical field of operation and maintenance of the base station, and the method comprises the steps: collecting a plurality of signal features at a plurality of monitoring positions of a communication base station, carrying out the change analysis of the signal features of a base station antenna, and obtaining a plurality of signal change parameters; performing base station antenna offset analysis according to the plurality of signal change parameters to obtain a plurality of antenna offset parameters, and performing offset credibility analysis to obtain a plurality of offset credibility; acquiring environment parameters in an environment where the communication base station is located, and performing base station antenna influence offset analysis in combination with the plurality of antenna offset parameters to obtain a plurality of antenna influence offset parameters; and according to the plurality of offset credibility and in combination with the plurality of antenna influence offset parameters, calculating to obtain an antenna fault scale, and taking the antenna fault scale as a base station operation and maintenance fault prediction result. According to the invention, the technical problem of poor fault prediction accuracy in operation and maintenance of the base station in the prior art is solved.

In accordance with disclosed embodiments, there is an antenna package using a ball attach array to connect an antenna and base substrates of the package. One example is an RF module package including an RF antenna package having a stack material in between a top and a bottom antenna layer to form multiple antenna plane surfaces, a base package having alternating patterned conductive and dielectric layers to form routing through the base package, and a bond between a bottom surface of the antenna package and to a top surface of the base package.

The invention provides a multi-input multi-output permutation index differential chaos shift keying communication system and method, and relates to the technical field of chaos secret communication. Generating two paths of chaotic signals in the modulator, wherein one path is used as a reference signal; delaying the other path, performing mapping permutation by using the index bit, multiplying the modulation bit subjected to space-time coding by a reference signal copy generated by permutation, generating an information signal, combining the information signal with the reference signal, and sending the information signal to a demodulator; and the demodulator is used for respectively delaying and replacing the received transmission signal, carrying out correlation operation on the delayed receiving signal and the replaced receiving signal to obtain an output signal, and carrying out comparative judgment and space-time decoding to recover the index bit and the modulation bit. According to the method disclosed by the invention, the security and the information transmission rate of a communication system are improved through different index bit mapping selection permutation rule methods; and channel fading and noise are suppressed by using multiple antennas, so that the bit error rate performance of a communication system is effectively improved.

According to various embodiments, an electronic device may include multiple antennas, at least one antenna tuning circuit connected to at least one antenna among the multiple antennas, and at least one communication processor, wherein the at least one communication processor receives, through a first antenna among the multiple antennas, a signal transmitted from a base station based on multiple-input and multiple-output (MIMO), receives, through a second antenna among the multiple antennas, a signal transmitted from the base station based on the MIMO, and when a strength of a first signal received through the first antenna or a strength of a second signal received through the second antenna is equal to or greater than a first threshold value, determines whether an imbalance condition of the first signal and the second signal is satisfied, and adjusts, when the imbalance condition is satisfied, a setting value of the at least one antenna tuning circuit so as to reduce a difference between the strength of the first signal and the strength of the second signal. Various other embodiments are possible.

The present invention provides a dielectric-free packaged phased array antenna with wide-angle scanning, which belongs to the technical field of packaged antennas. The packaged phased array antenna is composed of antenna modules of different sizes, which meet the requirements of expanding the working bandwidth of the phased array antenna in the millimeter wave band, increasing the scanning range and improving the process reliability. The antenna module is composed of multiple antenna units, and the antenna unit adopts a double-slit to expand the bandwidth; the "air + dielectric" back cavity reduces the unit size to increase the scanning range, and the discretized isolation metal columns improve the reliability and stability of the process. The dielectric-free wide-angle scanning packaged phased array antenna proposed by the present invention achieves high radiation efficiency in the millimeter wave band, and at the same time has the advantages of broadband, large angle and high reliability.

The invention provides a grounding coplanar waveguide to coaxial interconnection structure radiation field analytical model construction method, and belongs to the technical field of system packaging, and the method comprises the steps: according to the structure of the upper half plane of a grounding coplanar waveguide and the characteristics that the current of the upper half plane and the current of the lower half plane are equal in amplitude and reverse in direction; obtaining an electric field model, a magnetic field model and a directional diagram model of the grounding coplanar waveguide far region radiation field; regarding the similar axes as a plurality of antenna arrays, and obtaining an electric field model, a magnetic field model and a directional diagram of a similar axis far-region radiation field; and superposing the electric field model, the magnetic field model and the directional diagram of the variable grounding coplanar waveguide and the quasi-coaxial far region radiation field to obtain a grounding coplanar waveguide-to-quasi-coaxial radiation analysis model. The invention aims to solve the problem that a radiation model of a grounding coplanar waveguide-to-similar coaxial interconnection structure does not exist when the electromagnetic radiation characteristic between interconnection lines of a high-density packaging body is researched at present.

The invention provides an antenna structure, an Internet of Things system and a coverage enhancement method thereof, and relates to the technical field of passive Internet of Things, the Internet of Things system comprises a control platform, a plurality of signal transceiving devices and a plurality of antenna assemblies, the control platform is electrically connected with the plurality of signal transceiving devices, and the plurality of antenna assemblies are electrically connected with the control platform. The signal receiving and transmitting equipment is electrically connected with at least one antenna assembly in the plurality of antenna assemblies, and different signal receiving and transmitting equipment in the plurality of signal receiving and transmitting equipment is connected with different antenna assemblies; the antenna assembly comprises an antenna body, a driving assembly and a control system, the power output end of the driving assembly is connected with the antenna body, and the antenna body and the driving assembly are electrically connected with the control system. And the control system is used for receiving a control signal sent by the signal transceiver and controlling the driving assembly to drive the antenna body to move. According to the invention, the deployment cost of the passive Internet of Things system can be reduced.

An apparatus including multiple antennas and means for converting measurements of time of arrival of a positioning reference signal at the multiple antennas to a compensation value and using the compensation value to produce a compensated time of arrival measurement for the positioning reference signal. The apparatus also includes means for providing compensated time of arrival measurements for a plurality of positioning reference signals from different reference points to enable positioning of the apparatus.

The invention discloses a bow net offline electromagnetic interference multichannel data acquisition and analysis method and device, and belongs to the technical field of electromagnetic interference test and analysis. A transient electromagnetic signal of pantograph-catenary discharge is acquired through cooperation of multiple antennas, multiple probes and multiple channels, and strict alignment of multi-source data under the same discharge event is realized through unified triggering and time base line unification; in the off-line stage, denoising, feature extraction and multi-event statistical modeling are carried out on data generated by triggering, so that multi-path and multi-mode electromagnetic characteristics of pantograph-catenary discharge and statistical laws of the multi-path and multi-mode electromagnetic characteristics of pantograph-catenary discharge are obtained; the device comprises a data acquisition unit, a synchronous trigger unit, an analysis processing unit and an interactive display unit, and can improve data processing efficiency and analysis depth while ensuring high sampling rate and broadband coverage; the device solves the problems of insufficient space coverage, poor synchronism and limited analysis capability in the existing pantograph-catenary discharge test, and is suitable for pantograph-catenary discharge mechanism research, electromagnetic interference evaluation and related engineering application.

Apparatuses and methods include: receiving, by a first electronic device, a signal from a second electronic device on a channel, the received signal modified by a noise, the channel associated with a channel matrix for multiple antennas; buffering antenna data from the multiple antennas; obtaining a noisy channel based on the buffered antenna data and a least squares estimate of the channel matrix; preprocessing the noisy channel jointly across the multiple antennas; inputting the preprocessed noisy channel to a channel estimation model trained to denoise the preprocessed noisy channel; and estimating the channel matrix based on denoising of the preprocessed noisy channel.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information corresponding to transmit power control associated with simultaneous transmissions by a plurality of antenna panels of the UE, wherein the configuration information is indicative of a plurality of configured maximum output power values corresponding to respective antenna panels of the plurality of antenna panels, wherein the plurality of configured maximum output power values is based on at least one of a set of per-panel transmit power constraints or a set of across-panel transmit power constraints. The UE may transmit a plurality of simultaneous uplink signals based on the configuration information. Numerous other aspects are described.

The invention provides a numerical simulation method for large tumor treatment of single-needle multi-point microwave ablation, and belongs to the technical field of large liver tumor data simulation. The method comprises the following steps: establishing a finite element simulation model, and solving the finite element simulation model according to the interaction among an electromagnetic field, heat conduction and biological tissues to obtain a simulation result; constructing a single-needle multi-point microwave ablation numerical model; carrying out ablation simulation by utilizing the single-needle multi-point microwave ablation numerical model, outputting multi-point ablation result data, quantifying the size and form of a solidification area, and carrying out space overlapping analysis on a contour surface to obtain the characteristics of the solidification area; ablation simulation is carried out by setting parameter combinations of pull-back distances and ablation time of a plurality of antennas, and an optimal parameter combination is obtained by combining feature analysis of a solidification area, so that numerical simulation of large tumor treatment is completed; according to the invention, the problems of low ablation temperature, long simulation time and difficulty in accurate positioning of the antenna in the existing single-needle multi-point microwave ablation simulation method are solved.

Apparatuses, methods, and systems are disclosed for calculating an EVM of a transmitter. One apparatus includes a processor and a receiver that receives a signal via a propagation channel from an antenna port at a transmitter, the antenna port comprising multiple antennas and with an antenna connector for each antenna. The processor measures the received signal using an unbiased linear MMSE equalizer and calculates an EVM of the antenna port, where the EVM is calculated as 100 times the square root of the mean square error of the symbol estimate at the output of the unbiased linear MMSE equalizer.

A user equipment (UE) includes a set of multiple antenna panels and a processor. The processor is configured to identify a time domain overlap between, at least, a first physical uplink control channel (PUCCH) to be transmitted from a first antenna panel of the set of multiple antenna panels and a second PUCCH to be transmitted from a second antenna panel of the set of multiple antenna panels. The first PUCCH is intended to carry a first uplink control information (UCI), and the second PUCCH is intended to carry a second UCI. The processor is further configured to determine whether to transmit one or both of the first UCI or the second UCI, in at least one of the first PUCCH or the second PUCCH. The determination is made at least partly based on a PUCCH collision handling rule for multiple antenna panels.

The invention discloses a multi-rotor unmanned aerial vehicle carrying satellite communication equipment and an aircraft thereof, the unmanned aerial vehicle adopts a six-rotor layout and has flight stability and redundancy control capability, and when a certain rotor fails, flight is maintained through the remaining rotors; a lightweight satellite communication module is integrated, and a plurality of antennas are arranged below the unmanned aerial vehicle body; peripheral obstacle avoidance sensing devices are mounted at the tail ends of connecting rods of the six groups of rotors, and vertical obstacle avoidance sensing devices are mounted above and below the head of the fuselage respectively. A flight control program adopts an intelligent filtering algorithm, small target interference data is automatically filtered out, and false triggering is prevented. Compared with a conventional multi-rotor unmanned aerial vehicle, the unmanned aerial vehicle has the characteristic of carrying satellite communication equipment, and unmanned aerial vehicle control communication can be carried out nationwide through the satellite communication equipment; meanwhile, the unmanned aerial vehicle has the characteristic of long endurance, and can fly for 2 hours and above 60km; the problems of limited remote communication, short endurance, short voyage and the like in the prior art can be solved.

A foldable phased array antenna panel system for massive Multiple-input Multiple-output (mMIMO) radio functionality in a wireless network includes: three foldable phased array antenna panels each including a first sub-panel and a second sub-panel conductively coupled to each other via a folding structure defining a folding axis, and each of the first and second sub-panels includes multiple antenna elements. Each foldable phased array antenna panel is configured to be selectively operated in one of two modes: i) a flat panel mode, in which the first and second sub-panels are in a single flat plane; and ii) a folded panel mode, in which the first and second sub-panels are in two different planes meeting at an obtuse folding angle at a vertex defined by the folding axis. If one panel experiences outage, the remaining antenna panels extend their coverage sectors to cover the sector of the antenna panel experiencing outage.

The invention provides a measurement method and device and a computer readable storage medium, and the method comprises the steps: carrying out the parallel measurement of a measurement object corresponding to a first measurement target MO through a plurality of antenna panels under the condition of meeting the triggering condition of multi-antenna panel measurement. According to the embodiment of the invention, the triggering condition of the multi-antenna panel measurement and / or the quit condition of the multi-antenna panel measurement can be defined, so that the terminal equipment can start / activate the multiple panels to perform parallel measurement in a scene / condition with a rapid measurement requirement, and can start / activate the multiple panels to perform parallel measurement in other scenes / conditions without the rapid measurement requirement. Therefore, the single-sided board can be started / activated for measurement, and the power consumption of the terminal equipment is saved.

A null steering adjuster in a stationary wireless network identifies the presence or absence of a current set of phase differences in a dataset. The dataset includes legitimate sets of phase differences detected between radio frequency signals received by multiple antennas from respective legitimate sources. The current set of phase differences is detected between radio frequency signals currently received by the antennas. When the current set of phase differences is absent from the dataset, a null is created in the antenna pattern of the antennas in the direction of the currently-received radio frequency signals. When the current set of phase differences is present in the dataset, the antenna pattern is maintained.