Abstract: A lens module to exclude stray and internally-reflected light and thereby avoid flares and stains in images includes a lens unit, a circuit board, an image sensor, an optical filter, and a hollow mounting frame. The lens unit includes hollow lens holder and lens therein. The image sensor is connected onto the circuit board. The optical filter is at one side of the mounting frame, opposing side is fixed to the circuit board to enclose the image sensor. A light blocking layer is formed on four sides of a surface of the optical filter facing away from the image sensor. A structurally-significant dustproof adhesive layer fills a first gap between the mounting frame and the optical filter and a second gap between the mounting frame and the shielding layer. The lens holder is connected to the mounting frame.

Abstract: A capacitive sensor is provided that includes an array of sensor electrodes deposed in single layer on a substrate. The array includes a number of columns of sensor electrode sets arranged in a row. Each column of the sensor electrode sets includes a plurality of transmitter electrode elements and at least one receiver electrode. The transmitter electrode elements are deposed in a staggered arrangement in a direction of the column, wherein each transmitter electrode element has a trace led out from a first end thereof along the direction of column. The at least one receiver electrode is deposed along the direction of column and is interdigitated with the transmitter electrode elements for capacitively coupling with the transmitter electrode elements. At least part of the transmitter electrode elements has an extension extending from a second end of the transmitter electrode element along a direction opposite the direction of the trace.

Abstract: An embodiment of the present disclosure provides a preamble configuration method on an unlicensed carrier, the method includes: configuring a Physical Random Access Channel (PRACH) configuration message, the PRACH configuration message including subframe location information, first Clear Channel Assessment (CCA) interval location information, a channel detection mechanism, preamble format information, and preamble sending location information. The subframe location information indicates a location of a subframe where M to-he-transmitted preambles are located, The first CCA interval location information represents a location of a CCA interval before each preamble in the M to-be-transmitted preambles on the subframe or on a previous subframe of the subframe. The channel detection mechanism is used for indicating whether user equipment detects that the unlicensed carrier is in an idle state. The preamble format information indicates that the to-be-transmitted preambles are format 4 preambles.

Abstract: A lens holder able to equalize air pressure at all times with the ambient atmosphere includes a packaging member and a support member. The packaging member has upper and lower surfaces, and the packaging member includes a first through hole and a groove in communication with the first through hole. The support member has first and second surfaces and includes a second through hole and a vent hole in communication with the second through hole. The packaging member is mounted to the second surface of the support member, the first through hole is in communication with the second through hole, and the vent hole of the support member is in communication with the groove of the packaging member. A camera module including the lens holder is also provided.

Abstract: A judgment method of channel occupancy is provided, the method includes: filtering small cells satisfying conditions into a first set according to geographical positions of the small cells and a clear channel detection result; filtering small cells satisfying another conditions into a second set according to interference between small cells, or dividing into a third set; dividing the small cells in the second set into an active set and a restrained set according to priorities and the geographical positions of the small cells; sending transmission control signaling to small cells in the third set, the active set and the restrained set. By utilizing the present disclosure, reasonability of allocation of channel resources can be improved when interior of a small cell system, a Licensed Assisted Access (LAA) system and a Wi-Fi system are coexisted, and system performance can be improved.

Abstract: A packaged light emitting device die 20 includes a package body having a profiled leadframe 10 embedded in a body 12 of reflecting material. The leadframe 10 is exposed on mounting surface 14 only on at least one solder bonding area 16. Solder 22 is present only on the at least one solder bonding area 16 and not elsewhere. The reflecting material provides the reflecting parts of the package so there is no need for a reflective layer to be deposited on leadframe 10. Moreover, the reflecting material can function as a solder resist to self-align the solder 22 to the at least one solder bonding area 16.

Abstract: The present application discloses a liquid cooling system for a cabinet server, which includes a primary side liquid circulation pipe, a distribution control device, and a secondary side liquid circulation pipe, and the primary side liquid circulation pipe is connected to the water filling device. The distribution control device is connected to the primary side liquid circulation pipe, and the secondary side liquid circulation pipe is connected to the distribution control device and at least one cabinet server. The liquid cooling system of the present application cools the cabinet server by liquid cooling, and the energy efficiency ratio of the liquid cooling system is below 1.3, there is almost no noise, no low filling water temperature is needed, natural cooling source is fully utilized, and the cooling tower can be used to meet the heat dissipation requirement.

Abstract: A method for assembling a lens module to be free of dust and other pollutants includes providing a circuit board, an image sensor, an optical filter, and a mounting frame. The image sensor is connected to the circuit board. The optical filter is glued to the top side of the mounting frame, and the bottom side of the mounting frame is connected to the circuit board. The optical filter, the mounting frame, and the circuit board define a closed space receiving the image sensor. A lens is mounted in a lens holder to form a lens unit and the lens holder is attached to the circuit board, to position the lens above the image sensor, thereby obtaining the finished lens module.

Abstract: Provided is a method for preparing a carbon nanotube/polymer composite material, including: coating a nano-silicon oxide film on the surface of a porous polymer by vacuum coating; depositing a metal catalyst nano-film on the nano-silicon oxide film by vacuum sputtering; growing a carbon nanotube array in situ on the surface of the porous polymer by plasma enhanced chemical vapor deposition to obtain a carbon nanotube/polymer porous material; and impregnating the carbon nanotube/polymer porous material with a polymer and curing to obtain the carbon nanotube/polymer composite material. By using a heat-resistant polymer having a high heat-resistant temperature and a PECVD technique, a carbon nanotube array directly grows in situ on the surface of a polymer at a low temperature, which thereby overcomes the defects of the composites previously prepared, in which carbon nanotubes are difficult to be homogeneously dispersed and the interfacial bonding force in the composites is weak.

Abstract: A communication resource allocation method, an allocation device, a base station and a terminal are provided. The communication resource allocation method includes: determining a service type of a current service when a service bearer is established; determining granularity information of time-frequency resource and a frequency domain resource range corresponding to the service type according to the service type of the current service; and transmitting the granularity information of the time-frequency resource and the frequency domain resource range corresponding to the service type to a terminal that requests to establish the service bearer.

Abstract: An embodiment of the disclosure provides a resource partition aggregating method and a device, the method includes acquiring a resource utilization ratio of each resource partition in a first signal unit. When there is a resource utilization ratio of each resource partition of at least two adjacent resource partitions in the first signal unit is less than a first preset threshold, whether a zone index used after aggregating the at least two adjacent resource partitions causes a communication interference with zone indexes used by resource partitions in an adjacent second signal unit is determined. If no communication interference is caused, determining area distribution parameters of the aggregated at least two adjacent resource partitions. A broadcast message carrying the area distribution parameters to a vehicle terminal is sent. By using the embodiment of the present disclosure, a resource utilization ratio can be improved.

Abstract: An RRM measuring method of an LTE system in an unlicensed frequency band, a system, a terminal and a base station are provided. The method includes: receiving a downlink signal sent by each base station in at least one base station to determine a busy/idle status of an uplink channel and/or a downlink channel of each base station; calculating a value of RSRQ of each base station, when the uplink channel and/or the downlink channel of each base station is in a busy state or in an idle state; reporting the values of RSRQ to a service base station. The present disclosure measures the values of RSRQ according to the channel statuses of the base station, thus the serving base station determines the service performance of a neighboring base station to select a more appropriate auxiliary cell base station or a target base station when switching.

Abstract: A channel detection method and system of an LTE system in an unlicensed frequency range, a device having base station functions, and a terminal are provided. The method includes: dividing an unlicensed frequency range into several frequency bands; setting a determination threshold value corresponding to each frequency band for detecting busy/idle states of channels in each frequency band; setting channel monitoring subframes for detecting the downlink channel state and/or the uplink channel state in each frequency band in the frame structure of the LTE system; detecting the busy/idle states of the downlink channel and/or the uplink channel in each frequency band according to the determination threshold value. The present invention increases a spectrum utilization rate of the unlicensed frequency range, and prevents an LTE system working in the unlicensed frequency range from causing large interference to other systems while ensuring the LTE system works in the unlicensed frequency range normally.

Abstract: An embodiment of the disclosure provides a resource partition aggregating method and a device, the method includes acquiring a resource utilization ratio of each resource partition in a first signal unit. When there is a resource utilization ratio of each resource partition of at least two adjacent resource partitions in the first signal unit is less than a first preset threshold, whether a zone index used after aggregating the at least two adjacent resource partitions causes a communication interference with zone indexes used by resource partitions in an adjacent second signal unit is determined. If no communication interference is caused, determining area distribution parameters of the aggregated at least two adjacent resource partitions. A broadcast message carrying the area distribution parameters to a vehicle terminal is sent. By using the embodiment of the present disclosure, a resource utilization ratio can be improved.

Abstract: An electrical connector includes an insulative housing defining a mating chamber opening forwardly along a front-to-back direction, a number of contacts retained to the insulative housing, and a shielding plate having a pair of latch arms located at two opposite lateral sides of the mating chamber. Each of the contacts includes a contact portion extending into the mating chamber. The shielding plate includes a pair of retention arms each including an interference protrusion engaged with the insulative housing by interference fit. The interference protrusions are disposed in a face-to-face way to engage with a rear wall of the insulative housing so that the interference protrusions are retained tightly to insulative housing and less likely to damage the insulative housing.

Abstract: The present disclosure provides a communication method and a communication device. The method includes: configuring at least one serving cell for each terminal, each of the at least one serving cell working on an unlicensed carrier; selecting at least one of the at least one serving cell as a primary cell or a primary secondary cell of the terminal, the selected serving cell forming a primary cell group or a primary secondary cell group of the terminal; and controlling the primary cell group or the primary secondary cell group to send a MIB to the terminal. The technical solution improves a transmission probability of the MIB of the primary cell group or the primary secondary cell group on an unlicensed frequency band, ensuring that a user receives the MIB in time to perform a time synchronization, the communication is normal, and delay and efficiency requirements of communication are met.

Abstract: A communication method and a communication device are provided, the communication method includes: configuring at least one serving cell for each terminal, each of the at least one serving cell working on an unlicensed carrier; selecting at least one serving cell to be a primary cell (PCell) or a primary secondary cell (PSCell) of each terminal from the at least one serving cell, to establish a PCell group or a PSCell group of each terminal; and scheduling an uplink transmission of each terminal and/or a downlink transmission of a base station through the PCell group or the PSCell group. By utilizing the communication method, a sending probability of signaling or data on a PCell group or a PSCell group in an unlicensed frequency band can be improved, and the PCell group or the PSCell group can timely and effectively send and receive necessary signaling or data.