Abstract: The present disclosure provides a fixed-position defect doping method for a micro-nanostructure based on a self-alignment process, including: S1, sequentially forming a sacrificial layer and a photoresist layer on a surface of a crystal substrate; S2, performing a lithography on the photoresist layer to form a mask hole according to a micro-nano pattern; S3, performing an isotropic etching on the sacrificial layer through the mask hole, and amplifying the micro-nano pattern to the sacrificial layer; S4, performing an ion implantation doping on an exposed crystal surface below the mask hole; S5, removing the photoresist layer, and depositing a mask material; S6, removing the sacrificial layer, and transferring a micro-nano amplified pattern in the sacrificial layer to a mask material pattern; and S7, etching an exposed crystal surface, and removing the mask material on the surface and forming a specific defect by annealing.

Abstract: An osteotomy calibration method, calibration device, and an orthopedic surgery system are provided by present application. Firstly using the osteotomy calibration device to obtain the calculated position information of the current osteotomy plane, and then determining a position error between the calculated position information and a predetermined position information of a planned osteotomy plane, and if the position error exceeds a preset value, calculating and transmitting a relocation information to a robotic arm to control and relocate the robotic arm. By comparing and identifying the position error between the current osteotomy plane formed by the first osteotomy and the planned predetermined osteotomy plane, relocating the robotic arm, and performing a secondary correction of the osteotomy plane. In addition, by relocating the robotic arm and secondary correction of the osteotomy plane, additional bone nails which is to fix the navigation tool to the bone can be avoided.

Abstract: A projection curtain is provided in the present invention. The projection curtain at least comprises a reflective layer and one of a colored layer, a diffusion layer, and a Fresnel lens layer. The Fresnel lens layer is a spherical Fresnel lens layer or an aspherical Fresnel lens layer. The Fresnel lens layer comprises a plurality of annular protrusions protruding from a plane, the plurality of annular protrusions are arranged in circular bands. A cross-sectional shape of each annular protrusion along a cross section perpendicular to the plane is a triangular shape or a multi-step shape or a free surface shape. The width of one side of each cross-sectional shape parallel to the plane gradually changes, and gradual change of the cross-sectional shape and the width thereof determines light gathering characteristics of the spherical Fresnel lens layer or the aspherical Fresnel lens layer. A surface of each annular protrusion has scattered microstructures.

Abstract: A train driver assistance method includes: acquiring basic data of a train under a complex and severe condition; determining whether a traction power system is normal according to the basic data; if so, acquiring an energy-efficient optimized speed profile of the train in a normal state according to the basic data of the train in the current state; and if not, acquiring an energy-efficient optimized speed profile of the train in an abnormal state according to the basic data of the train in the current state. In this way, the method can acquire the energy-efficient optimized speed profile of the train in its current state. The comprehensive electric train driver assistance method can enable the train to adapt to the complex and severe environment and realize the energy-efficient operation of the train and self-rescue of the train.

Abstract: A carbon monoxide transducer. The carbon monoxide transducer includes a main housing; a lower support plate arranged in the main housing, the lower support plate divides the main housing into a water chamber containing water below the lower support plate and a reaction chamber above the lower support plate; a multilayer film assembly arranged in the reaction chamber above the lower support plate; and a cover assembly above the multilayer film assembly, the cover assembly includes a top cover, an upper support plate, a filter body between the top cover and the upper support plate, and a sealing ring wrapped on the outer periphery of the top cover and the upper support plate; the top of the main housing is formed with a curling portion that compresses the sealing ring of the cover assembly and the multilayer film assembly towards the lower support plate.

Abstract: A train driver assistance method includes: acquiring basic data of a train under a complex and severe condition; determining whether a traction power system is normal according to the basic data; if so, acquiring an energy-efficient optimized speed profile of the train in a normal state according to the basic data of the train in the current state; and if not, acquiring an energy-efficient optimized speed profile of the train in an abnormal state according to the basic data of the train in the current state. In this way, the method can acquire the energy-efficient optimized speed profile of the train in its current state. The comprehensive electric train driver assistance method can enable the train to adapt to the complex and severe environment and realize the energy-efficient operation of the train and self-rescue of the train.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for transmitting reference signals is provided. In the method, a transmitting apparatus inserts at least one physical resource block for reducing reference signal overheads between adjacent first physical resource blocks, and then transmits first physical resource blocks and the at least one physical resource block for reducing the reference signal overheads.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The application discloses methods and apparatuses for transmitting and receiving a preamble based reference signal. The method for transmitting a preamble based reference signal comprises: generating a main preamble sequence; generating an auxiliary preamble sequence, wherein, on a predefined resource, a synthesized signal of the main preamble sequence and the auxiliary preamble sequence is equal to a predefined preamble based reference signal; and transmitting the main preamble sequence and the auxiliary preamble sequence based on a filter-bank multi-carrier modulation.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A signal transmission method based on a filter bank, includes obtaining by a transmitter pre-equalization information, wherein the pre-equalization configuration information indicates whether pre-equalization is enabled, if the pre-equalization configuration information indicates that the pre-equalization is enabled, generating by the transmitter pre-equalization coefficients according to a pre-equalization manner, and performing pre-equalization operation to transmission signals according to the pre-equalization coefficients, and performing modulation based on the filter bank.

Abstract: A method for acquiring channel state information, includes transmitting, by a transmitting end, a first probing signal and a second probing signal in at least one probing zone, receiving, from a receiving end, channel state information acquired based on measurement of the first probing signal and the second probing signal, wherein the channel state information includes one or more of beam width information, adaptively quantized channel direction information, or predicted channel quality information. A terminal includes a signal receiving module adapted to receive a first probing signal and a second probing signal in at least one probing zone, and a feedback module adapted to acquire channel state information based on the first probing signal and the second probing signal, feed back the channel state information to a transmitting end.

Abstract: A method and an apparatus for transmitting a reference signal. A first reference signal is generated according to a data signal, an interference relationship between adjacent carriers, and a predefined second reference signal. The data signal and the first reference signal is modulated and sent on a corresponding carrier utilizing non-orthogonal multi-carrier modulation waveform. A method for receiving a reference signal includes receiving, on a reference signal carrier, a first reference signal modulated utilizing non-orthogonal multi-carrier modulation waveform, processing the received first reference signal using a predefined processing method, performing channel estimation or synchronization according to a result of the processing and a predefined second reference signal.

Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). Various examples of the present disclosure provide a method of allocating sounding reference signal (SRS) resources. A base station of a target cell receives information of first cell edge terminals in an adjacent cell transmitted by the adjacent cell. The base station allocates SRS resources for a terminal in the target cell according to information of second cell edge terminals in the target cell and the information of the first cell edge terminals, and transmits information of the allocated SRS resources to the terminal.

Abstract: The present disclosure provides a method for interference cancellation which includes: calculating a mean value and a variance value of a received signal to obtain statistics information of the received signal; calculating an estimating log-likelihood ratio using the statistics information of the received signal; calculating a decoding log-likelihood ratios of the received signal using the estimating log-likelihood ratio of the received signal, and performing calculations to update the statistics information of the received signal; repeating the above steps for a pre-determined number of times, performing hard decisions on the decoding log-likelihood ratios of the received signal, and outputting data bits obtained from the hard decision. The present disclosure also provides an apparatus, an auxiliary method, a base station and a terminal device for interference cancellation.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The base station determines a cell edge user, receives information of a cell edge user in an adjacent cell; according to the information of cell edge users in the cell and the adjacent cell, establishes a virtual cell including the cell edge users, transmits configuration information of the cell edge user in the cell and configuration information of the cell to base stations each of which a cell edge user in the virtual cell is located at, and receives configuration information of each cell edge user and configuration information of a cell where the each cell edge user is located from a base station where the each cell edge user is located, and configures uplink-downlink resources and a transmission mode for the virtual cell.

Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-generation (4G) communication system such as a long term evolution (LTE). Embodiments of the present disclosure provide a method of a base station in a wireless communication system, including: determining a signal transmission mode to be used by each of antennas based on a channel condition between each of the antennas and a terminal; and transmitting signals to one or more terminals from each of the antennas based on the signal transmission mode.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.

Abstract: A Filter Bank Multicarrier (FBMC) modulation-based signal transmitting method includes mapping, by a transmitter, an original Data Block (DB) with at least one symbol to a first Resource Block (RB), preprocessing the original DB, and mapping the preprocessed original DB to a second RB, modulating, by the transmitter, data of the first RB and the second RB by using a FBMC modulation, and, transmitting, by the transmitter, the data modulated. A transmitter, comprising a mapping module, a modulating module and a transmitting module, wherein the mapping module is to map an original DB with at least one symbol to a first resource block (RB), preprocess the original DB, and map the preprocessed original DB to a second RB, the modulating module is to modulate data of the first RB and the second RB, by using FBMC modulation, and, the transmitting module is to transmit the data modulated.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The application discloses methods and apparatuses for transmitting and receiving a preamble based reference signal. The method for transmitting a preamble based reference signal comprises: generating a main preamble sequence; generating an auxiliary preamble sequence, wherein, on a predefined resource, a synthesized signal of the main preamble sequence and the auxiliary preamble sequence is equal to a predefined preamble based reference signal; and transmitting the main preamble sequence and the auxiliary preamble sequence based on a filter-bank multi-carrier modulation.

Abstract: A method, apparatus and computer program product are provided for enabling efficient allocation of discovery resources for device to device communications. An example method may comprise establishing a cellular network connection to an access point. The method may further comprise establishing a local area network connection to a user equipment. Additionally, the method may comprise either receiving offloaded data for the user equipment from the access point via the cellular network connection and relaying the offloaded data to the user equipment via the local area network connection, or receiving offloaded data for the access point from the user equipment via the local area network connection and relaying the offloaded data to the access point via the cellular network connection. Similar and related example methods, example apparatuses, and example computer program products are also provided.

Abstract: A method for transmitting signal based on a filter bank multi-carrier (FBMC) modulation, a method for receiving signal based on the FBMC modulation, and a corresponding transmitting device and receiving device are disclosed. The method includes preprocessing determined symbols in a data block, modulating the preprocessed data block with the FBMC modulation, truncating the modulated data block to remove a part or all of tailing data therefrom, and transmitting the truncated modulated data block, from which the part or all of tailing data has been removed, and the determined symbols are affected by the truncating of the modulated data block. The data block includes at least one symbol. The method relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE).