788results about How to "Achieve reception" patented technology

The invention provides a multi-standard multi-mode wireless transceiver, comprising an antenna, a radio-frequency receiver, a radio-frequency emitter, a frequency synchronizer, and a baseband processing circuit; the frequency synchronizer is used for generating at least two local oscillation signals required by modulation and demodulation and outputting the local oscillation signals to the radio-frequency receiver and the radio-frequency emitter; the antenna is a multi-frequency antenna which can respond toe a plurality of frequency signals; the radio-frequency receiver comprises a multi-frequency LNA which is connected with the antenna and used for responding to and increasing the radio-frequency signal intensity of a plurality of frequencies; the radio-frequency emitter comprises a multi-frequency PA which is connected with the antenna and used for responding to and amplifying the radio-frequency signal powers of a plurality of frequencies. The multi-standard multi-mode wireless transceiver is the wireless transceiver which can be applied to the worldwide range with a plurality of modes.

The embodiment of the invention discloses a radio frequency system and electronic equipment. The radio frequency system comprises a radio frequency transceiver, a radio frequency processing circuit, aselector switch module, a first antenna, a second antenna, a third antenna and a fourth antenna; the radio frequency processing circuit comprises a first transmitting module, a second transmitting module, a first receiving module, a second receiving module, a first duplexer, a second duplexer, a first selection switch and a first filtering module. A radio frequency system works in a non-independent networking mode; the first antenna is used for transmitting a first low-frequency band and receiving a main set of the first low-frequency band; the second antenna is used for transmitting in a second low-frequency band and receiving in a main set of the second low-frequency band; the third antenna is used for receiving in a diversity manner in the second low-frequency band, the fourth antennais used for receiving in a diversity manner in a first low-frequency band, and the first filter is used for filtering frequency bands except the first low-frequency band. According to the embodiment of the invention, the system can ensure the reliability of an uplink signal.

The invention relates to integrated high-speed remote sensing data receiving and processing equipment. When the equipment is used to receive data, satellite downlink serial data are converted into parallel data through serial-parallel conversion and are sent into a frame synchronous processing module for frame synchronous treatment, frame synchronization characters are searched, fault-tolerant parameters are calculated, frame synchronization signals are generated according to the frame length and the frame synchronization characters, and the frame synchronization signals and data frame are sent to a combined decode module. The combined decode module performs descramble, RS decoding and CRC check processing on the data frame according to the frame synchronization signals, and sends the data to a cache. The data in the cache are subjected to data synthesis and wave filtering processing to be sent into a data distribution module. The data distribution module sends the transmitted data into a load imaging and processing module for format analysis processing, performs classified processing on the data according to load category, and displays the data in real time. When the data are sent, uplink data are sent into the cache through a data distribution module, a combined coding module reads the data from the cache, performs scrambling, RS coding and CRC check processing on the data, sends the data into a parallel-serial conversion module, converts the data into the serial data and transmits the data to a satellite.

The invention provides a data transmission method in a radio link control layer acknowledged mode, which comprises the following steps: establishing a logical channel message queue for a logical channel between a transmitting side and a receiving side; when the transmitting side transmits data through a first logical channel, transmitting the data after packeting and segmenting the data; after the receiving side receives the data packets, analyzing the data packets which pass through the valid detection, storing the data packets in the receiving cache queue or resegmenting queue of a second logical channel according to the analysis result, updating the parameters of a receive window, and submitting the data packets after the data packets satisfy the requirements; desegmenting and depacketing the data packets submitted by a submission queue, submitting the recombined integrated service data unit to an upper layer, constructing a status report, and transmitting the status report to the transmitting side; and after the transmitting side receives and analyzes the status report, processing the status report, and retransmitting the data when detecting loss or transmitting errors in the previously transmitted data packets according to the status report.

The invention discloses a precoding matrix indicator (PMI) information transmission method and an apparatus thereof used for realizing feedback and reception of a PMI. The invention provides a PMI information feedback method which comprises the following steps: user equipment (UE) determines a PMI needing feedback and a feedback mode which needs to be employed by a feedback PMI; in a compressed precoding matrix set, the UE determines a data layer number RI and a precoding matrix, and according to a preset RI and a first PMI combined coding information value, and a corresponding relation list of the RI and a codebook index, the UE determines the RI and the first PMI combined coding information value; the UE employs the feedback mode, and sends the determined RI and the first PMI combined coding information value to a base station.

The embodiment of the invention discloses a channel state information transmitting method and channel state information transmitting equipment. Due to the adoption of the technical scheme provided by the embodiment of the invention, in a long time evolved-advanced (LTE-A) system in a physical uplink control channel 1-1 (PUCCH1-1) feedback mode, for the condition that a codebook is needed to be compressed because a precoding matrix indicator (PMI) feedback at an antenna port 8 is reported on the same subframe and the PUCCH capacity is limited, the definition of the correspondence between a PMI or a PMI pair and a codebook index or a codebook index pair after codebook compression is provided, and channel state information between a base station and terminal equipment can be fed back and received.

This invention discloses a micro controller with bus and intercommunicated nodes for multi-host communication system, which contains data transmission unit, receiving unit, asynchronous series communication interface, bus monitor check unit, priority mark transmission unit, bus priority arbitration unit, priority mark filter unit, data/address identifying unit, wherein the asynchronous series communication interface connected with a multi-host interface whose another end connected with said bus. Said invention not only realizes point-to-point multi-host communication among plurality of equipment but also does not increase the occupation to software and hardware resource of MCU, and reduces cost and raises efficiency.

The invention relates to a method for sending and receiving a clock signal as well as an optical transmitter, an optical receiver and a system thereof. The sending method comprises superposing the following steps: a clock signal to be sent to an optical carrier by optical amplitude modulation to form a pilot tone modulated light carrier; superposing a service signal to be sent to the pilot tone modulated optical carrier by light amplitude modulation to form an optical modulation service signal; and sending the optical modulation service signal through a fiber link. The receiving method comprises the following steps: receiving an optical modulation service signal from a fiber link; outputting a mixed electrical signal including a service signal and a clock signal after photoelectric conversion and optical amplitude modulating are carried out to the received optical service-modulated signal; filtering the mixed electrical signal for separation to obtain the clock signal. The invention realizes receiving or unvarnished transmission of the clock signal without taking up other extra bandwidth or access resources of the optical transmission system, and greatly reduces network construction cost and maintenance cost, and is easy to realize.

The invention discloses a closet system for a patient, which comprises a closet, a collecting unit and a sewage unloading unit, wherein the closet contacts the private part of the patient and collects the excrement of the patient; the collecting unit is provided with a vacuum sewage collecting system and a flushing system, and the two systems are connected with a control unit; meanwhile, the collecting unit is connected with the closet through a compound connecting hose and temporarily stores excrement; and the collecting unit is also connected with the sewage unloading unit and discharges the fully collected excrement. The system solves the problems in the processes of excrement receiving, closet flushing, patient private part flushing, blowing-drying, vitiated air treatment, excrement pouring and the like. The system is used for collecting and discharging the excrement of the patient, extracts the excrement of the patient from the closet by utilizing vacuum, thereby cleanly flushing the closet with water, flushing and blowing-drying the stool and urine of the patient, and carrying out filtering and deodorizing treatment for the vitiated air generated when the patient relieves the bowels so as to keep the hygiene at the private part of the patient and the environmental hygiene in sickrooms and simultaneously lighten the burdens of nursing personnel.

The invention discloses an auxiliary device for starting and receiving of a shield machine. The auxiliary device comprises a steel sleeve, a bottom framework, and a bearing board, wherein the steel sleeve is formed by connecting a plurality of sleeve bodies, the bottom framework is arranged at the bottom of the steel sleeve, the bottom framework comprises a plurality of sections, the bottom framework comprises a bottom board that extends along a direction vertical to an axis of the steel sleeve, the bearing board extends along the direction vertical to the axis of the steel sleeve and has a side edge matched with the outer side wall of the sleeve body, the bearing board is vertical to the bottom board, lifting boxes are arranged at two ends of the bottom board, the lifting boxes comprise an external box that is formed by connecting a top board parallel to the bottom board with a part of the bearing board and an internal box that is arranged in the external box, the internal box is internally provided with a hydraulic device, and a plurality of vertical and horizontal steel boards are arranged in a clearance between the internal box and the external box so as to divide the clearance into a mesh structure. The auxiliary device can be used for starting and receiving of the shield machine, also can realize cross-station, lifting and translation of the shield machine, is low in device loss and long in service life.

The invention discloses a method for processing a conflicting signal of a satellite-borne AIS (automatic identification system). The method comprises the following steps: estimating synchronism and signal channel of a received AIS signal according to known information in a frame structure, detecting the received signal, and acquiring a detection result which is a single channel signal; reconfiguring the single channel signal to obtain a reconfiguration signal by utilizing the detection result; subtracting the reconfiguration signal from the received AIS signal to obtain a surplus signal; re-estimating the synchronism and signal channel of the surplus signal, and re-detecting the single channel signal; and repeating the steps for multiple times until no signal is detected. By adopting the method, a multi-channel transmission signal can be effectively detected from the signal-channel received signals.

The invention provides a relay transfer method and apparatus, a terminal and a base station. The method comprises the following steps: in the case that remote user equipment UE performs path relay switching from a first relay device to a second relay device, the remote UE executes radio link control RLC reestablishment and packet data convergence protocol PDCP operations. By adoption of the relaytransfer method and apparatus provided by the invention, the problem that service interruption is generated easily when a terminal user moves in related art is solved, and continuous sending and receiving of service in a movement process are achieved, thereby achieving an effect of service continuity and improving the user experience.

The disclosed immediate communication system supported E-mail function comprises: connected by internet, some immediate communication clients, an immediate communication server, and one or more mail transmission/receiving server. It also provides the relative application method. This invention needs no extra E-mail client software to process mail in time conveniently.

The invention discloses a planar antenna for a dual-frequency millimeter wave system. The planar antenna for the dual-frequency millimeter wave system comprises a radiation plate printed at the middle of a medium plate and used for emitting or receiving electromagnetic wave energy, a symmetrical E-shaped groove arranged at the middle of the radiation plate and used for providing a current path needed for dual-frequency resonance, feed structures arranged at two sides of the radiation plate and used for providing signal feed for the radiation plate, a grounding plate arranged on the lower surface of the medium plate and used for providing grounding signals, and an antenna port arranged in the lower surface of the medium plate and used for inputting differential signals to the feed structures. The planar antenna for the dual-frequency millimeter wave system is simple in structure and convenient to popularize in millimeter wave antennas, and the directional diagram height is symmetrical at the millimeter wave frequency band.

The invention relates to a method and system for remotely monitoring a smart home based on the fusion communication technology. The system is obtained through cloud computing so that registration application of multiple families can be achieved and remote monitoring of the smart home in each family can be achieved. Specifically, first fusion communication client-sides are installed in smart terminals such as smart phones or tablet personal computers of control personnel respectively, a second fusion communication client-side is arranged in a smart home master station in each family, account numbers of the first client-sides and account numbers of the corresponding second client-sides are stored in the first client-sides, account numbers of the second client-sides and account numbers of the corresponding first client-sides are stored in the second client-sides, therefore, in the achieving process, the control personnel and each family can find the corresponding client-sides according to the account numbers of the client-sides, and meanwhile communication between the first fusion communication client-sides and each function module in the system is achieved based on the mobile internet so that the control personnel can remotely monitor and control the smart home at any time and in any place.

The invention discloses a MODBUS RTU protocol based data transmission method. Analysis is performed on a data structure of an RTU frame to weaken the control on the interval time in a data frame, analytical judgment is performed on the integrity of frame data to achieve data sending and receiving, and accordingly the distance, crystal oscillator accuracy and outside interference is not easy to cause and accordingly the reliability of data transmission can be greatly improved and the requirements for hardware configuration of two data transmission devices can be low due to the fact that the interruption is reduced due to the increase of the reliability of the data transmission.

The invention belongs to the field of radio navigation location technology and especially relates to a Beidou terminal signal receiving and processing device and method. The device includes an antenna unit, a radio frequency unit, a baseband signal processing unit, an information processing unit, a power unit and a display control unit connected successively. The method includes capturing fake satellites and satellites respectively by adopting a storage-based baseband capturing method; receiving fake satellite signals and real satellite signals for fake satellite and satellite information decoding; performing updating operation on extracted navigation parameters; extracting carrier phase, code phase and Doppler observation information and performing calculation on location, speed measurement and time service. According to the invention, by the design of an integrated antenna receiving the satellite signals and the fake satellite signals and a radio frequency front end and with the adoption of an algorithm realizing seamless positioning depending on independent positioning and compatible positioning for solving a problem of near-far effect of the two kinds of signals, constellation geometric structure is improved and user positioning precision is improved.

The invention discloses a sending method of super-long Bluetooth short message, including the following steps: step S402, a sending terminal decides the minimum segment number needed for sending the super-long Bluetooth short message which exceeds a predetermined length according to the predetermined length of the Bluetooth short message. Step S404, the super-long Bluetooth short message is segmented based on the assured segment number and the order of the segmented Bluetooth short message is marked with a subsection sequence number of the short message. The length of the segmented Bluetooth short message is less than or equal to the predetermined length. Step S406, the sending terminal sends the segmented Bluetooth short message to a receiving terminal. Step S408, the receiving terminal splices the received segmented Bluetooth short message according to the subsection number of the short message. Besides, the invention also discloses a receiving device of the super-long Bluetooth short message. The invention can realize the sending and receiving of the super-long Bluetooth short message and the receiving terminal can see the whole short message.