Abstract: Disclosed is a laser source capable of producing mid-IR laser radiation comprises growing a first core structure on a substrate, etching away the first core structure in one or more locations, and growing a second core structure on the substrate. At least one of the core structures comprises a quantum cascade gain medium emitting at a frequency within the range from 3-14 ?m. Also disclosed is a laser source capable of producing mid-IR laser radiation comprising a quantum-cascade core positioned on a substrate for emitting within the range from 3-14 ?m and a second core on the substrate positioned in-plane relative to the first core. The second core is one of a) a passive waveguide core b) a second quantum-cascade core and c) a semiconductor active core region.

Abstract: Provided herein are ultra-thin flexible photovoltaic modules. The flexible modules meet UL and IEC safety requirements without needing one or more encapsulant layers. The no-encapsulant design reduces material usage and associated cost and eliminates thermal and mechanical stress imparted by the encapsulant. In some embodiments, a flexible module includes photovoltaic cells enclosed between sealing sheets, wires partially embedded in wire carriers and disposed such that the wires interconnect the photovoltaic cells. The wire carriers include multiple polymeric layers. Adhesive from module components such as sealing sheets and wire carriers bonds the components together.

Abstract: Provided are an optimized processing method and apparatus for service migration of a terminal. According to the optimized processing method, when the terminal conducts service transmission with a network or when the terminal performs service migration between a source network element and a target network element, service performance information of the terminal is acquired. By means of the technical solution, the technical problem in the related art that the service performance or service experience, etc. of a terminal is not taken into account during service transmission between a terminal and a network or during service migration of a terminal is solved, so the service performance and service experience can be obtained when the terminal conducts service transmission or service migration, thereby providing a powerful support for optimizing the service migration or service transmission of the terminal and improving the experience of a user.

Abstract: Provided are a method for realizing device-to-device communication relay selection, a network control node and a user equipment. The method includes: a network control node receiving relay-related information sent by user equipment and determining a relay node; and the network control node sending device-to-device communication relay configuration information to the determined relay node. In the technical solution, by sending relay-related information in a network to perform selection or configuration of a relay node, a corresponding solution is provided for a scenario for which relay selection is not provided, and thereby the selection of the relay node is realized.

Abstract: An ocular optical system includes a first lens element and a second lens element from an eye-side to a display-side in order along an optical axis. The first lens element and the second lens element each include an eye-side surface and a display-side surface. The eye-side surface of the first lens element has a convex portion in a vicinity of the optical axis. The second lens element has negative refracting power. The ocular optical system satisfies 1.5?|f2/f1| and 250 millimeters/EFL?10, wherein f2 is the focal length of the second lens element, f1 is the focal length of the first lens element, and EFL is the effective focal length of the ocular optical system.

Abstract: A method, device and a computer storage medium for wireless connection are provided. The method includes that: a main Transmission Point (TP) sends a connection indication to User Equipment (UE), the connection indication being used to indicate the UE to establish a connection with at least one sub TP on the premise of keeping a current connection with the main TP.

Abstract: A filtering assembly that receives an inlet air includes a modulation panel subassembly, an air filter subassembly downstream of the modulation panel subassembly, wherein the air filter subassembly is configured to discharge the inlet air from the filtering assembly, and an arm subassembly configured to move the modulation panel subassembly and to move the air filter subassembly. The air filter subassembly moves into and out of a flow of the inlet air.

Abstract: The present disclosure provides systems, methods, and computer-readable media for managing graphics processing unit (GPU) allocation for a virtual machine (VM). A first GPU driver, associated with a first GPU, is offloaded from an operating system (OS) of the VM. Then, the first GPU is deallocated from the VM. A second GPU is allocated to the VM, and a second GPU driver, associated with the second GPU, is loaded in the OS of the VM. To restore a GPU context from the first GPU within the second GPU, a GPU command log from the first GPU is replayed to the second GPU.

Abstract: Provided are a method for realizing device-to-device communication relay selection, a network control node and user equipment. The method includes: a network control node receiving relay-related information sent by user equipment and determining a relay node; and the network control node sending device-to-device communication relay configuration information to the determined relay node. In the technical solution, by sending relay-related information in a network to perform selection or configuration of a relay node, a corresponding solution is provided for a scenario for which relay selection is not provided, and thereby the selection of the relay node is realized.

Abstract: Disclosed are a method and apparatus for sending information, a method and apparatus for receiving information, a base station and a terminal. The method for sending information includes: configuring semi-persistent scheduling information for indicating N transmission opportunities in a semi-persistent scheduling period, where the N transmission opportunities include M transmission opportunities for transmitting data by a sending end, where N is an integer greater than 1, M is an integer, and 0<M?N; and sending the configured semi-persistent scheduling information to a terminal. Through the present disclosure, the problem, in the related art, that the semi-persistent scheduling cannot meet the requirement of low latency is solved, and scheduling flexibility is improved.

Abstract: An ocular optical system includes a first lens element and a second lens element from an eye-side to a display-side in order along an optical axis. The first lens element and the second lens element each include an eye-side surface and a display-side surface. The eye-side surface of the first lens element has a convex portion in a vicinity of the optical axis. The second lens element has negative refracting power. The ocular optical system satisfies 1.5?|f2/f1| and 250 millimeters/EFL?10, wherein f2 is the focal length of the second lens element, f1 is the focal length of the first lens element, and EFL is the effective focal length of the ocular optical system.

Abstract: A method and apparatus are described for adaptive interference discovery of a licensed shared access (LSA) system. The method includes: an LSA controller selects a measurement node according to interference protection information of an LSA licensed system; the LSA controller sends a measurement configuration message to the measurement node; and the LSA controller receives a measurement response message returned by the measurement node and determines whether to perform LSA spectrum resource reconfiguration according to the measurement response message.

Abstract: Provided are methods and devices for determining or acquiring radio resources. The method for determining radio resources includes that: predefined information is acquired, wherein the predefined information includes indication information of a dedicated node, and/or, measured values of Component Carriers (CCs) on a multisystem shared spectrum, wherein the indication information includes: information of the maximum number of CCs, which are available to a system, on the multisystem shared spectrum, and the measured values are acquired according to preset signals on the CCs; and the maximum number of CCs, which are available to a system, on the multisystem shared spectrum is determined according to the predefined information. By the technical solution, the problem of interference between systems may be solved, and spectrum utilization efficiency is improved.

Abstract: A system information transmission method and device. The system information transmission method comprises: generating, by a first communication node, first system information indicative of indication information corresponding to second system information, wherein the second system information is used to assist a second communication node to access a system; transmitting to the second communication node the first system information; receiving, by the second communication node, the first system information transmitted from the first communication node; receiving, according to the indication information in the first system information, the second system information; and accessing, according to the second system information, the system.

Abstract: Disclosed are methods for receiving device discovery information and sending device discovery information, and UE. The method for receiving the device discovery information includes that: first UE receives device discovery information sent by second UE, wherein the device discovery information contains at least one piece of the following information: UE identification information and attribute information of the UE; and the first UE performs D2D discovery and/or D2D communication under the condition that the device discovery information is consistent with a preset condition. By the disclosure, the technical problem of difficulty in meeting a requirement on D2D communication diversity caused by containing of only an ID in the device discovery information in the related technology is effectively solved, and the technical effect of improving D2D communication effectiveness and flexibility is achieved.

Abstract: The present document discloses a method and a system for controlling access of a Closed Subscriber Group (CSG) in a dual-connection architecture. The method includes: a base station acquiring CSG identity state information of a user equipment (UE); and the base station determining a CSG access policy of the UE according to the acquired CSG identity state information of the UE.

Abstract: A method for cross-system network information interaction, and a network element of a terminal system network, and the method includes: receiving, by a terminal, a request message for acquiring history information of the terminal, transmitted by a network element of a specified system network, after the terminal successfully establishes a connection with the system network or the terminal transmits a connection establishment success message or reestablishment success message to the system network; transmitting, by the terminal, history record information of the terminal staying in all the system networks, other system networks except the system network, or a specified system network, to a network element of the system network. In the embodiments of the present document, based on a definition of history record information of the terminal in the WLAN system, a cross-system interaction of the history record information of the terminal in 3GPP-WLAN system may be realized.

Abstract: There is provided a modeling method and device for a machine learning model. A machine learning sub-model corresponding to each intermediate target variable is trained to obtain a probability value of the machine learning sub-model. The probability values of the machine learning sub-models are summed to obtain a target probability value. A target machine learning model for determining a target behavior is established according to the target probability value and feature variables for describing transaction behaviors.

Abstract: The present disclosure provides multi-sampling model training methods and devices. One exemplary training method includes: performing multi-sampling on samples to obtain a training set and a validation set in each sampling; using the training set and the validation set obtained in each sampling as a group, and performing model training and obtaining a trained model using the training set in each group; evaluating the trained model using the training set and the validation set in each group separately; eliminating or retaining the trained model based on the evaluation results and a predetermined elimination criterion; obtaining prediction results of the samples using retained models; and obtaining a final model by performing combined model training on the retained models using the prediction results. The final model obtained using embodiments of the present disclosure can be more robust and stable, and can provide more accurate prediction results, thus greatly improving efficiency of modeling.

Abstract: Provided are a cellular communication and device-to-device (D2D) communication coexistence method, system and device, and a storage medium. The method comprises: receiving resource control information (401); and monitoring and receiving D2D information in a resource pool having no network coverage according to the resource control information (402).