669results about How to "Improve receiving efficiency" patented technology

The present invention relates to a method of controlling data transmission for a multimedia and broadcasting service in a broadband wireless access system. As an aspect of the present invention, a base station receives feedback information including burst profile information with which a terminal can receive MBS data without errors and the base station configures an appropriate burst profile and transmit the MBS data using the burst profile to the terminal, thereby reception errors in the terminal can be minimized and radio resources can be used efficiently.

A system and method for synchronizing Broadcast / Multicast Service (BCMCS) traffic in a mobile communication system connected to a BCMCS server. A Packet Data Service Node (PDSN) receives a BCMCS content frame from the BCMCS server, and transmits a corresponding Generic Routing Encapsulation (GRE) packet BCMCS content frame, including a sequence number and a timestamp value indicating when the GRE packet BCMCS content frame is transmitted, to Packet Control Functions (PCF) connected downstream of the PDSN. Each of the PCFs determines whether the GRE packet BCMCS content frame received from the PDSN is valid, based on the sequence number included therein. If the GRE packet BCMCS content frame is valid, the PCF transmits the frame to its lower nodes connected downstream of the PCF, while synchronizing the frame transmission, based on the timestamp value included in the frame.

The invention discloses a method and a system which are used for transmitting system information and applicable to an LTE-LAN (Long Term Evolution-Local Area Network) system, and achieve more simple and feasible transmission of the system information and an improvement in the transmission efficiency of the system information. The method comprises the steps as follows: determining transmission configuration parameters of a master information block (MIB) of the system and various types of system information blocks (SIB); and according to a semi-static configuration manner and the transmission configuration parameters of the MIB, sending the MIB, and sending the various types of the SIBs according to the transmission configuration parameters of each type of the SIBs.

The invention provides an HARQ-ACK information feedback method. According to the method, DL Assignment is transmitted in a time-frequency binding window corresponding to uplink subframes of corresponding HARQ-ACK feedback by a base station. The DL Assignment includes DL DAI. A UE receives DL-Assignment transmitted by scheduling downlink HARQ in the time-frequency binding window so that the DL DAI in the DL-Assignment is acquired and the mapping value of each DL DAI is determined; and then the HARQ-ACK bit of each HARQ feedback unit is mapped to the corresponding bit of a feedback bit sequence according to the mapping value of the corresponding DL DAI. The invention also discloses DL-Assignment generation equipment and HARQ-ACK information feedback equipment. With application of the method and the equipment, multiple HARQ-ACK feedback transmitting the carriers of the downlink data from different time points in the same downlink subframe can be supported so that the ineffective HARQ-ACK bit can be effectively eliminated, the HARQ-ACK feedback efficiency can be enhanced and the downlink peak rate of the UE can be ensured.

An RF coil has at least one conductor loop and a parallel circuit provided with a first branch and a second branch is installed. The first branch has a first capacitor and the second branch has a third capacitor and a first parallel resonance circuit configured by a second capacitor and a first inductor. The first capacitor has capacity to allow the RF coil to resonate at the time of transmission / reception of the first resonance frequency signal corresponding to an element with a higher magnetic resonance frequency, and capacity of the second capacitor and a value of the first inductor are determined as an accumulated value thereof based on the first resonance frequency. The third capacitor has capacity to allow the RF coil to resonate at the time of transmission / reception of the second resonance frequency signal corresponding to an element with a lower magnetic resonance frequency.

A heat receiving member of a heat receiving device includes a coolant passage comprising a bag formed of a flexible sheet made up of a thermally stable, flexible plastic material and a metal film having high heat conductivity. In the coolant passage flows a coolant having an anti-corrosion property. A heat generating member including a main body and a terminal portion is supported by an adapter fitted in an opening formed in the flexible sheet. The main body of the heat generating member comes into direct contact with the coolant flowing in the coolant passage. Since the heat from the heat generating member is directly transferred to the coolant, the heat transfer path between the heat generating member and the coolant becomes shorter. Therefore, the heat resistance is reduced, so that the heat receiving efficiency is extremely high.

The invention relates to the field of fresh food supply chain management, and specifically relates to a preposed warehouse fresh food shopping and distribution mode. The preposed warehouse fresh food shopping and distribution mode comprises a warehousing system, a distribution system and a supply chain management system, and the supply chain management system comprises five subsystems of a purchasing system, a warehouse management system, a commodity system, an order management system and a transportation management system. A centralized + distributed management mode is employed, a centralized warehouse and several preposed warehouses are arranged in the urban area, goods are stored in the preposed warehouses, a customer places an order through a mobile phone APP, goods are sent to the customer from the closest preposed warehouse, and therefore one-hour delivery is achieved. Beneficial effects of the preposed warehouse fresh food shopping and distribution mode are that a centralized + distributed warehousing mode is employed, efficient distribution of one-hour deliver in the last one kilometer is achieved; compared with a conventional mode, the intermediate links are less, the distribution efficiency is high, time is short, and the cost is low; by means of distributed storage, supply chain steps can be greatly reduced, the distribution cost of each order can be reduced to 11 yuan, and the distribution time is reduced to one hour.

The present invention provides a decoding method for an enhanced uplink physical channel of a time division synchronous code division multiple access system. The method includes the following steps: when an enhanced uplink transmission time interval arrives, the user equipment determines the data type and resources transmitted in the current transmission time interval Multiplexing mode: the user equipment determines the transmission block length and modulation mode of the enhanced uplink service data according to the resource multiplexing situation and authorized power; the user equipment determines the physical layer control channel for this transmission according to the determined service data and resource multiplexing mode parameters; and the base station determines the total number of resources used by the user equipment according to the multiplexing indication in the physical layer control parameters, and combines the enhanced transmission format combination indication to obtain the modulation mode and transmission block length information of the service data part, and then demodulates and decodes . Therefore, without increasing the channel load, the buffering of channel data is avoided, the synchronous demodulation of the channel is realized, and the receiving efficiency of the channel is improved.

The present invention relates to a method of controlling data transmission for a multimedia and broadcasting service in a broadband wireless access system. As an aspect of the present invention, a base station receives feedback information including burst profile information with which a terminal can receive MBS data without errors and the base station configures an appropriate burst profile and transmit the MBS data using the burst profile to the terminal, thereby reception errors in the terminal can be minimized and radio resources can be used efficiently.

The invention discloses a method, apparatus, user equipment and base station for requesting a system message. The method herein includes the following steps: transmitting a first random access request which carries at least one lead code which marks a to-be-requested system message; within a preset time period, monitoring a response message which corresponds to the first random access request, the response message carrying information for responding to the lead code; when the response message is monitored, based on the lead code marker contained in the response message, in a transmitting window of the to-be-requested system message which corresponds to the lead code marker, monitoring and receiving the to-be-requested system message. According to the technical solution of the invention, the method herein can prevent the failure of the base station to broadcast second type system messages due to the failure of requesting the to-be-requested system message by the UE through the random access request, and can prevent the subsequent long time delay of obtaining the system message by the UE.

An image capturing apparatus has a plurality of solid-state image capturing devices each having light receiving sections laminated in a depth direction of a semiconductor substrate. The devices are sequentially arranged in a direction along a substrate surface. Incident light waves having wavelength bands corresponding to depths of respective light receiving sections are detected there and generate signal charges. Bands are associated with light receiving sections by the wavelength dependence of the optical absorption. Trench sections each reach from a light incident surface or an opposite substrate surface to respective light receiving sections that do not overlap each other in a plane view. Electric charge transfer sections transfer electric charges independently from the light receiving sections via side wall portions of their respective trenches to the light incident surface side or the opposite substrate surface side at the time of driving readout gate electrodes at each trench section.

A receiver for a wireless charging system, capable of receiving power energy using non-contact type magnetic induction, includes a coil capable of receiving the power energy and a part for generating a predetermined output power from the power energy received by the coil, a portable terminal, an NFC coil further provided outside of the coil, and a ferrite sheet further provided at the coil and the NFC coil.

The invention provides a cable-free air bag type robot system which comprises a monitoring computer, a singlechip microprocessor, a wireless communication receiving and sending device, a wireless energy emitting circuit and a cable-free air bag type robot, wherein the singlechip microprocessor is respectively connected with the monitoring computer, the wireless communication receiving and sending device and the wireless energy emitting circuit, and the cable-free air bag type robot is in communication connection with the wireless communication receiving and sending device and is in energy exchange with the wireless energy emitting circuit. The cable-free air bag type robot system has the advantages of small trauma, safety and reliability, high movement efficiency, and wide application range.

The invention relates to a wireless tunnel wakening notification method, comprising an application server and a handset client which are under a HTTP protocol. The handset client sends a connection request to the application server; the connection to a long channel of the handset client is established; when the application server has new data updating, the application server wakens the long connecting channel and sends a data updating notification to the handset client through the long connecting channel; after the handset client acquires the data updating notification, the handset client begins to automatically acquire updated data through a logic processing channel. In the invention, the long connecting channel is kept between the application server and the handset client, so the method has good receiving real-time performance, quick speed and high receiving efficiency; the handset client also does not need to initiatively request to inquire whether the application server has data updating for many times, which can decrease mobile data network flow and save the electric quantity consumed by the client, save the mobile data network flow, relieve the pressure of the application server, and save server resources.

There is provided a sensor tag device capable of detecting event data by a sensor tag all the time even when no radio wave is received, saving power supply for a microprocessor, and enlarging the radio communication distance. The sensor tag device includes generation means 6 and 7 using one or more environmental changes, power supply voltage rise control means 8, and power supply synthesis means 9, and power is supplied to a microprocessor 12 and event data is stored in the microprocessor 12 when an event, i.e., an environmental change has occurred. A power receiving circuit having a transmission / reception antenna, a built-in power receiving circuit, and the microprocessor and capable of bi-directional communication by radio waves is combined with a stab resonance RF boost circuit and a ladder boost rectification circuit.

An ultrasonic sensor includes a substrate on which an opening portion is formed; a vibration plate that is provided on the substrate so as to block the opening portion; and a piezoelectric element including a first electrode, a piezoelectric layer, and a second electrode that are stacked on an opposite side of the opening portion of the vibration plate, in which when a direction in which the first electrode, the piezoelectric layer, and the second electrode are stacked is set to be a Z direction, and a portion that is completely overlapped by the first electrode, the piezoelectric layer, and the second electrode in the Z direction is set to be an active portion, the plural active portions are provided so as to face the one opening portion, and a suppressing portion (column portion) that suppresses vibrations of the vibration plate is provided between the adjacent active portions.

The invention relates to an optical fiber bundle fluorescent sensor. The system adopts a light-emitting diode as an excitation light source, a single optical fiber is taken as an excitation optical fiber to transmit an exciting light, multiple optical fibers are surrounded at the periphery of the end face at the exit of a transmitting optical fiber to form an optical fiber bundle to receive a fluorescent light, and the fluorescent light is transmitted to a merge end and then is transmitted to a photoelectric converter by virtue of a light filter to be detected, wherein the single optical fibers in the optical fiber bundle are uniformly arranged at the periphery of the excitation optical fiber in a certain included angle. The sensor is simple in structure, is convenient to use and has low cost, and the fluorescent light can be efficiently received and the signal to noise ratio and the detection sensitivity can be improved by optimizing the included angle between the transmitting optical fiber and a receiving optical fiber. The sensor can be applicable to direct detection on gas and liquid non-solid state fluorescent substances and detection on non-fluorescent substances by combining with a fluorescent sensing membrane.

A multi-frequency antenna for receiving a first frequency and second frequency signals comprises a grounding element, a first conductive member, a first radiation member, and a second radiation member. The first conductive member connects to the grounding element. The first radiation member and the second radiation member connect to the first conductive member separately. The multi-frequency antenna further comprises a parasitic structure. The parasitic structure structurally encircles the second radiation member and the encirclement is a partial encirclement. Moreover, the parasitic structure connects to the grounding element.

The invention relates to a long term evolution (LTE) downlink control information channel resource allocation method and a base station. The method includes that the base station issues resource scheduling information to a physical layer through a media access control (MAC) layer, a search space which resources to be allocated belong to is judged according to the scheduling information, and resource allocation of a current downlink information channel is performed according to the quality level of the current downlink information channel when the resources to be allocated belong to a user equipment (UE) special search space. The LTE downlink control information channel resource allocation method and the base station can dynamically and reasonably allocate physical downlink control channel (PDCCH) resources according to the quality of downlink information channels, and can further obtain the quality level of the downlink information channels through channel quality indication (CQI) fed back by the UE or block error ratio (BLER) of a hybrid auto repeat request (HARQ) or measurement results of uplink information channels. Therefore, reasonable use ratio of downlink resources is improved, resources occupied by control information channels are reduced, more information channel resources can be reserved to be used for business transmission, or more users can be scheduled on the basis of resources occupied by the control information channels, and accordingly performance of the integral system is improved and capacity of the system is increased.

The invention provides a micro-strip rectification antenna based on a WIFI frequency band. The micro-strip rectification antenna based on the WIFI frequency band comprises a micro-strip receiving antenna and a micro-strip rectification circuit, wherein the micro-strip receiving antenna is a coaxial feed rectangular micro-strip antenna, and the micro-strip receiving antenna and the micro-strip rectification circuit both adopt printing circuits and manufactured on two Teflon double-sided copper-coated substrates respectively and connected through an SMA head. The micro-strip rectification antenna based on the WIFI frequency band is produced in batches through the printing circuit technology, is low in cost, is easy to realize, is based on the 2.45GHZ and 5.8GHz WIFI frequency bands, is wide in application range, is easy to popularize and has the advantages of being high in gain and large in receiving efficiency.

The invention relates to the production techniques of iron ore concentrate of refractory ore, in particular to a preparation method for producing strong-magnetism magnetite through refractory weak-magnetism oxidized iron ore. The method comprises the following steps that firstly, the crushed iron ore is ground into fine ore; then the fine ore is subjected to low-temperature roasting, and during the low-temperature roasting, the fine ore is made to be in a roasting system to be preheated and roasted; the roasted ore enters a cooling system to be cooled; and then the cooled roasted ore is subjected to size mixing and sent to a magnetic separation system to be separated, and high-grade iron ore concentrate is obtained through separation. According to the method, the process is simple, the temperature and air flow are distributed uniformly, control is easy, the automation degree is high, the number of operation components of equipment is small, refractory siderite and limonite can be treated, the magnetizing roast efficiency of the refractory iron ore is high, heat is substantially recycled during roasting, the roasted ore is stable in quality and high in magnetic separation efficiency, and the technical indexes that the grade of the iron ore concentrate is larger than 60%, and the iron recycling rate is larger than 85% can be achieved.

Jig plate feeding and discharging equipment comprises a feeding pushing system and a material receiving pushing system. The feeding pushing system comprises a feeding limiting mechanism, a feeding lifting mechanism, a feeding bearing mechanism and a feeding conveying mechanism. The feeding limiting mechanism is provided with a feeding stacking area and a feeding conveying area. The feeding liftingmechanism is arranged on a feeding station. The feeding bearing mechanism is arranged on the outer side of the feeding stacking area. The feeding conveying mechanism is arranged on the feeding conveying area. The material receiving pushing system comprises a material receiving limiting mechanism, a material receiving lifting mechanism, a material receiving bearing mechanism and a material receiving conveying mechanism. The material receiving limiting mechanism is provided with a material receiving stacking area and a material receiving conveying area. The material receiving lifting mechanismis arranged on a material receiving station. The material receiving bearing mechanism is arranged on the outer side of the material receiving stacking area. The material receiving conveying mechanismis arranged in the material receiving conveying area. The jig plate feeding and discharging equipment is simple and reasonable in structure, small in occupied space, capable of achieving jig plate feeding or discharging at any time without shutdown, the automation degree is high, the work efficiency is high, the jig plate feeding and discharging equipment can adapt to different types of jig plates, and universality is high.

The invention provides a scintillation crystal array detector which can be used to increase receiving efficiency of visible light and is used for a PET-MR imaging system. The scintillation crystal array detector comprises a scintillation crystal array and an avalanche photodiode array. The avalanche photodiode array comprises a plurality of avalanche photodiode subarrays. Each avalanche photodiode subarray comprises a plurality of avalanche photodiodes. The scintillation crystal array comprises a plurality of scintillation crystals. Each scintillation crystal possesses a coupling surface which is coupled with one of the plurality of avalanche photodiode subarrays and a plurality of adjacent surfaces which are adjacent to the coupling surface. At least one adjacent surface of the plurality of adjacent surfaces in the scintillation crystals and the coupling surface form an acute angle. Reflex numbers of the visible light in the scintillation crystals can be reduced. The receiving efficiency of the visible light is increased so that image quality of the PET-MR imaging system during image reconstruction is further guaranteed.

The invention provides an automatic material collecting device for a sewing machine. The automatic material collecting device comprises a conveying platform, wherein material absorbing mechanisms are symmetrically arranged on two sides of the conveying platform; each material absorbing mechanism comprises a connecting rod and an L-shaped frame; each L-shaped frame is perpendicularly connected to the corresponding connecting rod; one end of each first air cylinder is movably hinged to the inner side of the vertical beam of the corresponding L-shaped frame; the piston rod end of each first air cylinder is hinged onto a corresponding moving arm; one end of each moving arm is movably hinged to the end part of the vertical beam of the corresponding L-shaped frame; two groups of material fetching mechanisms are perpendicularly hinged onto each moving arm; each material fetching mechanism comprises a flat rod and a plurality of vacuum suction nozzles; a flattening mechanism comprises a flattening plate and a horizontal air cylinder. The automatic material collecting device has the benefits that the material absorbing mechanisms are utilized for collecting and storing sewed materials at a certain speed in a certain direction, so that a certain quantity of materials can be packed, and the material collecting efficiency is improved; the flattening device is arranged on a material receiving platform, so that all layers of the packed materials are prevented from being folded, and the operation is more convenient.

An embodiment of the invention provides a method and a device for adjusting timing advance in coordinated multi-point transmission. The method includes receiving an uplink reference signal from user equipment (UE) at one or more receiving points; selecting one of the one or more receiving points as a reference point for adjusting the timing advance by the UE based on the quality of the uplink reference signal; and indicating the selected reference point to the UE. By means of the method and the device, appropriate receiving points can be provided for the UE as reference points, therefore the UE can effectively adjust the timing advance according to the signal receiving time at the reference points to overcome inter-symbol interference at the receiving points, the receiving efficiency of the receiving points is improved, and the whole performance of a coordinated multi-point transmission system is improved accordingly.

The invention discloses a matching circuit, which comprises an isolating module, a filtering module and a matching module. The filtering module is connected between the isolating module and the matching module; the isolating module is used for isolating signals outside an assigned frequency and sending signals at the assigned frequency; the filtering module is used for filtering away the signals outside the assigned frequency; and the matching module is used for matching the signals at the assigned frequency. Correspondingly, the invention also discloses a matching circuit network and a signal transmit-receive device. The matching circuit, the matching circuit network and the signal transmit-receive device disclosed by the invention not only reduces complexity of the signal transmit-receive device, decreases cost and saves hardware resources, but also solves a problem that multiple paths of signals cannot be received at the same time in the case of using antenna switches and the like in the prior art and improves signal receiving efficiency.

A transceiver includes a transmitting / receiving electrode that comes into contact with or is capacitively coupled to a human body, serving as a transmission medium, a receiving mechanism connected to the transmitting / receiving electrode, and a transmitting mechanism connected to the transmitting / receiving electrode. Upon signal transmission, the receiving mechanism is open-circuited as viewed from the transmitting / receiving electrode to allow the impedance on the transmitting mechanism side as viewed from the transmitting / receiving electrode to match that of the human body. Upon signal reception, the transmitting mechanism is open-circuited as viewed from the transmitting / receiving electrode to allow the impedance on the receiving mechanism side as viewed from the transmitting / receiving electrode to match that of the human body.

The invention discloses a four-beam laser three-dimensional imaging optical system based on a coaxial three-mirror-anastigmat afocal telescope. The four-beam laser three-dimensional imaging optical system is characterized in that: four paths of laser are scattered through a target surface, enter a novel coaxial three-mirror-anastigmat afocal telescope receiving system via four off-axis viewing fields respectively, are reflected through viewing field reflection mirrors, and adopt color separation filters for separating wave bands; and a laser receiving channel can achieve signal acquisition of laser echoes, and an area array imaging channel can achieve shooting of a laser footprint two-dimensional space target, thereby achieving multi-beam laser three-dimensional imaging. The four-beam laser three-dimensional imaging optical system solves the difficulty that multi-beam laser reflection loops share one receiving telescope in the existing laser active detection technology, the large viewing field coaxial three-mirror-anastigmat afocal telescope is adopted, the laser receiving channel and the area array imaging channel are combined by utilizing the off-axis viewing fields, and at least four beams of laser beam echoes can be measured on the layout.

The invention discloses a display panel, a display screen, and a display device. An optical sensor device can be arranged in the lower side of a display structure of the panel to implement a fingerprint detection function. The display structure comprises: a plurality of first light emitting groups, wherein each light emitting group comprises a plurality of first type sub-pixels, each first type sub-pixel comprises a first transparent area and a first light emitting area, the first light emitting areas of the adjacent first type sub-pixels are not adjacent to each other, and furthermore, in theadjacent light emitting groups, the first light emitting areas of the adjacent first type sub-pixels are not adjacent to each other; and / or, a plurality of second light emitting groups, wherein eachlight emitting group comprises a second transparent area and a second light emitting area, the second light emitting area comprises a plurality of closely adjacent second type sub-pixels, the second type sub-pixels do not comprise transparent areas, and the maximum size of the pattern of the second light emitting area is less than the allowable maximum blank space when the fingerprint detection function is implemented. The panel can disperse the shadow gathering brought by the opaque light emitting areas, which improves the accuracy of fingerprint recognition to a certain extent.