91 results about "Carrier system" patented technology

Systems, methods, and apparatuses for PDCCH skipping without channel assignments and on multiple component carriers are provided. An apparatus is configured to receive a configuration for DRX and to receive DCI within a DRX active time. The DCI indicates for the UE to skip PDCCH monitoring for a duration of time within the DRX active time and without a resource assignment for downlink or uplink. The UE is configured to skip monitoring for a PDCCH during the duration of time. Another apparatus is configured to receive a configuration indicating to apply PDCCH skipping to a component carriers(s) and to receive DCI in a component carrier indicating for the UE to skip PDCCH monitoring for a duration of time. The other apparatus is configured to skip monitoring for a PDCCH during the duration of time in the one or more component carriers based on the configuration.

The utility model discloses an air track structure and an air carrier system, and the air track structure comprises a first track body and a second track body which are parallel, have the same height and are arranged at intervals, a protective cover with a U-shaped cross section is arranged between the first track body and the second track body, is connected to the two sides of the first track body and the second track body, and covers the upper parts of the first track body and the second track body; and the protective cover, the first track body and the second track body enclose to form a running channel in which a walking mechanism of the aerial carrier moves. The protective cover is used for protecting the space above the first track body and the second track body in a wrapping manner, so that accumulated dust on the first track body and the second track body cannot be blown off by air blown out by the fan filter unit, and adverse effects caused by the fact that the dust is scattered to a process area are effectively avoided; and the cleanliness of the clean room can be improved.

The present invention provides a method for low-complex estimation of Direction of Arrival (DoA) and Time of Arrival (ToA) in multi-antenna-based communication comprising detecting overlapped paths between a Mobile Station (MS) and a Base Station (BS) operating under said multi-antenna-based communication with scatters present therein involving channel paths represented as Channel Impulse Response (CIR) defined with channel signatures including delay and angle steering vectors, decoupling the channel paths in delay and angle-domain and separately estimate the DoA and ToA of each path with a low computational complexity which is based on one-dimensional low-index based rotation methodology and finally pairing the DoA and the ToA.

The present invention belongs to the field of gene therapy in the medical category, and particularly relates to use in restoring, by using overexpression of a normal gene, hearing of a patient with hereditary hearing loss caused by gene mutation or deficiency. The present invention relates to a dual-carrier system for expressing an OTOF protein. The dual-carrier system comprises two nucleotide sequences: a first nucleotide sequence comprising two ITR sequences and a gene expression cassette inserted between the ITR sequences; and a second nucleotide sequence comprising two ITR sequences and a gene expression cassette inserted between the ITR sequences. Meanwhile, provided is an adeno-associated virus packaged in the above carrier. The above carrier and virus can restore binaural hearing by means of uniaural administration in the field of large-gene dual-carrier delivery in deafness gene therapy.

Systems and methods are described, and one system includes a three-dimensional (3D) geometric tracker connected to a multiband (MB) inverse synthetic aperture array radar (ISAR), and a classification / alarm logic. The MB ISAR includes spatially distributed radar transmitters (TXs) and receivers (RXs), a TX / RX allocation logic, and a tomographic (TM) image logic. The TX / RX allocation logic is configured to receive 3D tracking data from the 3D geometric tracker, indicating subject 3D position and 3D orientation and, in response, dynamically allocate TXs and RXs to maintain MB illumination of and maintain MB reception of multiple scatter angles from subjects. The TM image processor is configured to construct TM images from the scatter angles, using 3D tracking data, for input to the classification and alarm logic. Optionally, the TX / RX resource allocation logic is configured to receive situation feedback data, for feedback adjusting of allocation of TXs and RXs.

An apparatus and method for closed loop controlled cooling in a wafer processing system is provided. In one aspect, a substrate carrier system includes a substrate carrier head including a carrier body and a resilient membrane attached to the carrier body. The resilient membrane has a first surface configured to contact a surface of a substrate and a second surface opposite the first surface. The carrier head also includes a membrane cavity formed along the second surface of the resilient membrane, an input manifold configured to supply a fluid to the membrane cavity, and an output manifold configured to remove the fluid from the membrane cavity. The input manifold and the output manifold are configured to provide the fluid such that the fluid has a substantially laminar flow across the membrane cavity.

Systems, methods, apparatuses, and computer program products for a fallback for unequal carrier bandwidth in fragmented carriers. A method may include receiving, from a network element via a network connection, a transmission schedule over a bandwidth of a first component carrier and a bandwidth of a second component carrier. The method may also include performing measurements on the second component carrier and on the first component carrier comprising a second bandwidth part of the first component carrier and a first bandwidth part of the first component carrier. The method may further include receiving, from the network element based on the measurements, a scheduling restriction on the second bandwidth part of the first component carrier. Additionally, the method may include restricting transmission to the network element based on the scheduling restriction.

An extendable controller having a first handle portion, a second handle portion, an elongate bridge having a first half portion in sliding engagement with a first bridge portion of the first handle portion and a second half portion in sliding engagement with a second bridge portion of the second handle portion, and an extendable arrangement for uniformly synchronously extending and retracting the first handle portion and the second handle portion in opposite directions relative to the elongate bridge along an extension axis. The extendable arrangement includes a dual reciprocating counter-moving carrier system having a first reciprocating carrier, a second reciprocating carrier, a counter-moving mechanism for moving the first reciprocating carrier and the second reciprocating carrier in opposite directions relative to the extension axis, a first elongate member coupling the first handle portion to the first reciprocating carrier, and a second elongate member coupling the second handle portion to the second reciprocating carrier.

According to the flexible reference electrode paste and the manufacturing method thereof, the mode that the silver chloride load is generated in situ through the flaky silver powder is adopted, impedance is low, the potential stability is high, and the anti-interference capacity is high; a carrier system adopts synthetic long-chain bismaleimide modified organic silicon and a furan end-capped nitrile rubber elastomer to form a curing interpenetrating network, microstructure defects caused by stretching are repaired based on Diels-Alder reaction covalent bonds in the heat-preservation and pressure-maintaining thermal forming process, and after curing, high tensile toughness and bending stability and high weather resistance are achieved. The method is suitable for large-scale silk-screen printing technology.

The application discloses an asynchronous distributed large-scale MIMO general filter multicarrier active user detection method, which is suitable for communication field use. A signal model of a frequency domain receiving signal of an asynchronous large-scale MIMO general filter multicarrier system is given first, and even components of the frequency domain receiving signal not influenced by inter-subband interference and inter-carrier interference are obtained; the asynchronous active user detection problem is expressed as a maximum likelihood estimation problem, then in order to solve the discontinuous and non-convex l0 norm constraint caused by asynchronous transmission, an equivalent penalty reconstruction form is introduced; further, a detection algorithm is provided, which can meet the highly non-convex constraint in a gentle way with the increase of iteration times, converges to a stable point of the original asynchronous active detection problem, and achieves good detection performance.

This invention discloses a method for precise airdrop and rapid in-flight alignment based on inertial navigation / satellite integrated navigation. The method includes: after the navigation device is powered on, establishing a carrier and navigation inertial coordinate system through inertial solidification; periodically acquiring angular rate and specific force data from the inertial measurement unit and position and velocity data from the satellite receiver; sequentially calculating carrier system tracking, specific force integration, navigation system tracking, and acceleration integration; and recursively solving the problem using a Rodrigues parameter multi-vector attitude determination algorithm to calculate the real-time attitude matrix, repeating this process until alignment is complete. This invention simplifies the initial alignment problem without initial values ​​for arbitrary attitudes into an unconstrained linear optimal estimation problem for Rodrigues parameters, utilizing specific force and acceleration integration as measurement information, and fully utilizing all effective data during the alignment process. It requires no initial attitude information and can rapidly complete alignment under complex dynamic base conditions such as airdrop swaying and rotation, outputting attitude results in real time, significantly improving alignment accuracy and speed.

The invention relates to the technical field of communication, and particularly discloses a power line carrier communication method supporting safe partition access of a power distribution microgrid, which comprises the following steps of: converting service data to a parallel sub-channel of a multi-carrier system through a serial / parallel converter; carrying out frequency hopping on the parallel subcarrier frequency; accessing the two levels of security partitions into a frequency hopping strategy to realize concurrent communication of the two levels of security devices; the parallel sub-channel signals are superposed to form a frequency hopping multi-carrier signal; a receiving end receives signals and sends the signals to Na demodulation branches for dehopping to obtain dehopping signals of each branch, then demodulates the dehopping signals to obtain demodulated signals, converts multiple paths of demodulated signals through a parallel / serial converter to obtain a serial data set, and finally obtains sending data. The method has the advantages that the high-reliability and high-frequency-efficiency communication target of the high-safety area can be achieved, the services of the low-safety area are conversely achieved, the services of the two safety areas exist in a co-fusion mode at the same time, and the method is more suitable for simultaneous access of multi-element heterogeneous services in the power distribution micro-grid.

The invention discloses a signal recovery method assisted by spatial modulation and space-time codes, which comprises the following steps of: 1, performing spatial modulation on information bit stream groups according to the number of time slots and the number of carriers to obtain spatial modulation symbols; 2, mapping the spatial modulation symbols into a space-time coding structure; 3, performing orthogonal time-frequency-space multi-carrier modulation on the spatial modulation symbols with the same transmission period, and transmitting the data symbols on a plurality of transmitting antennas respectively; and step 4, carrying out signal detection recovery on the transmission data symbols obtained in the step 3 based on the special sparsity of the signal structure. The method is used for recovering various source end signals which cannot be directly measured, high transmission rate and high diversity gain are realized, and the problems of poor signal detection performance and relatively high calculation complexity in the signal recovery process of a multi-antenna multi-carrier system are solved.

Provided are a method for channel detection, a terminal device and a network device, the method comprising: a terminal device determining a PDCCH detection capability corresponding to a first carrier in a plurality of carriers according to one or more of the following parameters: a first parameter for indicating the size of the bandwidth of the first carrier; the second parameter is used for indicating a distribution coefficient of the PDCCH detection capability corresponding to the first carrier; and the third parameter is used for indicating the total capability of PDCCH detection corresponding to a target carrier in the plurality of carriers, and the target carrier and the first carrier have the same carrier attribute. In a multi-carrier system, according to the embodiments of the present application, the PDCCH detection capability corresponding to the carrier is determined according to factors such as the bandwidth of the carrier of the terminal device, so that the distribution of the PDCCH detection capability on each carrier is more reasonable.

The application relates to the technical field of computer data processing, and provides a self-adaptive demodulation shift method and device applied to a power carrier system and a storage medium.The application realizes cross-level closed-loop optimization from high-level semantic understanding to bottom-level signal parameter decision by cooperatively modeling a device behavior semantic field of a power internet of things and a physical layer demodulation shift parameter space; through cross-frame dynamic difference coding and orthogonal time sequence injection of a video, the application realizes integrated coupling of self-correction of demodulation shift parameters of the power carrier signal and business logic verification, effectively solves the demodulation parameter mismatch problem caused by channel environment change and power business context switching, and can feed back and correct the demodulation parameters when detecting power business logic abnormalities, thereby ensuring the reliability and self-adaptive maintenance of a power carrier communication link and business continuity.

A transmission of information from a secondary to a primary node occurs in a plurality of transmission instances which are logical time durations. A secondary node receives an allocation of periodic transmission instances for a scheduling request indicator (SRI) and an allocation if periodic transmission instances for a sounding reference signal (SRS). In a particular transmission instance allocated for the transmission of both SRS and SRI, the secondary node transmits the SRS without transmitting the SRI if a scheduling request is not pending; otherwise, the secondary node transmits at least the SRI.

The application relates to a Lie group strapdown inertial navigation error model based on a carrier system quaternion attitude error, which comprises that the quaternion attitude error can be divided into a navigation system quaternion attitude error and a carrier system quaternion attitude error, the application first deduces an attitude error model based on the carrier system quaternion, then on the basis, a Lie group strapdown inertial navigation error model based on the carrier system quaternion attitude error is proposed and deduced, the model has obvious advantages in the aspects of combined navigation positioning precision, error convergence speed and filter robustness, and the advantages are more prominent especially under the condition of large misalignment angle. Through experiment comparison of the advantages and disadvantages of four models, the application improves the deficiency of the existing literature on the combined navigation model under the condition of large misalignment angle, and the model can complete high-precision nonlinear combined navigation in a short time under the condition of large misalignment, and meets the requirement of high-precision combined navigation.

To provide a carrier system capable of supporting smooth traveling of a carrier.SOLUTION: The transport vehicle system 10 includes the setting unit 14 that sets, for each pixel constituting the image data of the map representing the real environment, the highest value of the evaluation value indicating the likelihood of the self-position estimation of the transport vehicle assumed in the pixel as the first evaluation value, the calculation unit 15 that calculates the evaluation value at the current position of the transport vehicle placed in the real environment as the second evaluation value, and the determination unit 16 that determines whether or not the map is correct based on the difference between the first evaluation value and the second evaluation value.SELECTED DRAWING: Figure 2

An object processing system is disclosed that includes an object induction station at which objects are provided for processing, said object induction station including an in-feed conveyor system and at least one perception unit for providing perception data regarding an object, a plurality of destination locations that are arranged in a vertically and horizontally extending array of destination locations, and a carrier system for receiving at least two objects from the in-feed conveyor system of the object induction station and for moving the at least two objects together toward two different destination locations of the plurality of destination locations, the carrier system being adapted for movement in horizontal and vertical directions and including a set of at least two independently actuatable transfer systems such that the at least two objects may be deposited into each of the two different destination locations.

The invention belongs to the technical field of modulation carrier systems, and relates to a storage and calculation integrated energized radio frequency signal demodulation method and system, and the method comprises the following steps: inputting a to-be-tested analog radio frequency signal, and obtaining a sampling voltage vector; determining a signal center frequency according to the sampling voltage vector; constructing a down-conversion matrix according to the signal center frequency; and multiplying the down-conversion matrix by a low-pass filtering matrix to obtain an I / Q demodulation matrix, and mapping the I / Q demodulation matrix to a memristor cross array in a conductance form so as to demodulate the analog radio frequency signal to be detected. According to the invention, frequency mixing and low-pass signal demodulation are realized in a cross array through the simulation memory calculation capability of devices such as memristors.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. At least one embodiment of the present disclosure proposes a method and device for a base station and a terminal to effectively perform an initial access in a multi-carrier system.

Provided herein is a jetting hose carrier system comprising: an elongated inner conduit sized to slidably receive a jetting hose and to serve as a jetting hose carrier, forming a microannulus between the jetting hose and the surrounding inner conduit, the microannulus sized to prevent bending of the jetting hose; an elongated outer conduit surrounding the inner conduit, forming an annular region between the inner conduit and the surrounding outer conduit, the outer conduit sized to extend into a production casing string within a wellbore while accommodating a stimulation treatment between the outer conduit and the surrounding production casing; a wiring chamber housing electrical wires, data cables, or both, in the annular region between the inner conduit and the outer conduit and extending along the length of the outer conduit; a fluid chamber formed within the annular region; and a fluid pressure regulating valve located proximate a distal end of the inner conduit, the pressure regulating valve configured to move fluid between the fluid chamber and the microannulus to effect movement of the jetting hose within the inner conduit.

The invention discloses a deep learning assisted waveform index modulation single carrier communication method, and belongs to the technical field of wireless communication. According to the method, the frequency spectrum efficiency and the system performance are improved by fully utilizing the waveform freedom degree of the single-carrier system. Cooperative transmission of index information and symbol information is realized by jointly optimizing a constellation mapping set, a shaping filter bank and a Bi-LSTM detection network of a receiving end. Specifically, a sending end divides information bits into symbol bits and index bits, the index bits dynamically select a constellation mapping set and a shaping filter, and the symbol bits generate a time domain waveform through the selected constellation and filter. And after a receiving end adopts frequency domain equalization and matched filtering, joint detection of indexes and symbols is completed through a Bi-LSTM network. According to the method, bit mutual information can be achieved through end-to-end training optimization, the signal power and the spectrum template are constrained at the same time, a high-performance and low-complexity index modulation implementation method is provided for a single-carrier system, and the method is suitable for a future high-spectrum-efficiency communication scene.

The embodiment of the invention provides an obstacle-crossing carrier system for a sweeper and a control method of the obstacle-crossing carrier system, and belongs to the technical field of intelligent mobile cleaning equipment. The system comprises a carrier chassis used for being in contact with the ground; the driving unit is arranged on the carrier chassis and used for providing driving capacity based on the moving requirement of the carrier chassis; the lifting mechanism is connected with the carrier chassis and used for executing lifting adjustment on the structure where the carrier chassis and the containing cavity are located based on the obstacle crossing requirement; the containing cavity is formed in the carrier chassis and used for containing the sweeper and forming a limiting space used for positioning the sweeper; and the locking mechanism is arranged in the accommodating cavity and is used for locking and fixing the sweeper after the sweeper enters the accommodating cavity. According to the scheme, a stable obstacle crossing carrier capable of autonomously crossing a threshold and a height difference in a real family terrain is built for a common sweeper, so that the cleaning process is not interrupted due to the terrain any more.

The invention discloses a tunable step frequency microwave carrier system based on a double-pump Brillouin cavity. The system comprises a Brillouin laser cavity, a frequency shift injection locking loop and an optical circulation frequency shift ring. According to the system, two laser beams with tunable wavelengths serve as pump light, a Brillouin laser cavity is formed to generate first-order Brillouin laser, the frequency of the pump laser is locked and the line width of the pump laser is compressed by using a frequency shift injection locking technology, and dual-wavelength Brillouin laser with the compressed line width is generated; the dual-wavelength Brillouin laser interval is changed by tuning the laser frequency through a driver or replacing the DFB wavelength; in the optical circulation frequency shift ring, programming control is carried out on the acoustic optical modulator through a signal generator, and finally a microwave source with programmable sweep frequency bandwidth is generated through a photoelectric detector. The device can generate high-quality microwave signals with adjustable frequency and controllable stepping, and is suitable for the fields of radar, communication, measurement and the like.

The present application provides a thermal test carrier system and a control method thereof, which comprises a control device, a communication gateway and a plurality of thermal test carrier devices. The communication gateway sequentially transmits a control command of the control device to the plurality of thermal test carrier devices through serial communication, so that each thermal test carrier device controls the output power of at least one heating element to simulate the operating state of a heat source. Each thermal test carrier device is provided with a first temperature sensing element and a second temperature sensing element for measuring a first temperature and a second temperature, respectively, and the measurement results are transmitted back to the communication gateway through serial communication for analyzing the heat dissipation state. The present application can effectively reduce the complexity of wiring and improve the accuracy and efficiency of thermal simulation testing.

This invention provides an adaptor for use with one or more robotic manipulators. In one embodiment, said adaptor comprises: a) a bowl (101) for attachment to a carrier system; b) an overtube (102) connected to said bowl (101), comprising at least one channel for insertion of said one or more robotic manipulators; c) a plurality of controls (118), each control (118) is adapted to control diameter of one of said at least one channel; wherein said at least one channel comprises two or more inlets (107) converging into a same channel; and each of said two or more inlets (107) is positioned on opposite sides on said bowl (101) or overtube (102).

This invention belongs to the field of power line communication technology and discloses a fast-acting distributed FA information interaction method suitable for medium-voltage carrier systems. This invention optimizes the allocation of learned frequency bands and subcarriers, minimizing both the degradation of normal communication performance and communication interference under fault conditions, ensuring normal communication during faults. In normal communication mode, a communication waiting time is added in advance. By calculating and setting the optimal waiting time, the impact of excessively long downstream node transit times on the distributed FA after a fault occurs is minimized. This ensures that the upstream carrier unit quickly interacts with the downstream unit when a fault occurs. Targeted interaction logic is proposed based on whether the downstream node at the fault point is currently communicating, and a method for calculating the communication waiting time is provided. Finally, information interaction is completed within the specified time of the distributed FA, triggering the upstream circuit breaker.