Abstract: The present application relates to the field of communications and provides a method and apparatus for determining channel state information (CSI). The method includes a network side device determines a measurement mode for CSI, the measurement mode being that the network side device performs transmission using M code words by means of transmit points corresponding to M demodulation reference signal (DMRS) port groups, and M is greater than or equal to 1, and each of the code words corresponds to one DMRS port group, the network side device determines N CSI-RS resources according to the measurement mode, the N CSI-RS resources being used for a terminal to determine CSI of transmit channels corresponding to the M code words, the transmit channels corresponding to the code words being transmit channels from the transmit points of the code words to the terminal, M being less than or equal to N.

Abstract: Provided is an elliptical multi-mesa laser structure, including a substrate layer, an N-DBR, a functional layer and a P-DBR sequentially arranged from bottom to top. The substrate layer is fixedly connected with an N contact layer. The N-DBR is fixedly connected to a top of the substrate layer, and the N contact layer is arranged around the N-DBR. A space layer is inserted in the N-DBR. The functional layer is fixedly connected to a top of the N-DBR. The P-DBR is fixedly connected to a top of the functional layer, and a top of the P-DBR is fixedly connected with a P contact layer. Another space layer is inserted into the P-DBR.

Abstract: A positioning method and device used for solving the problems of the existing method for determining an integer ambiguity being relatively difficult and relatively time-consuming. During positioning, the method includes a receiving device determining a virtual phase measured value according to at least two received C-PRS signals (600); determining a TOA measured value according to a received PRS signal (601); determining a virtual integer ambiguity according to the TOA measured value and the virtual phase measured value (602); and finally, determining the location of the receiving device according to the virtual integer ambiguity (603). An integer ambiguity search space is reduced, and the integer ambiguity is determined faster, thus improving the efficiency of determining the location of the receiving device.

Abstract: A mobile office realization method includes receiving a mobile office access request from a mobile office device, determining a target network of the mobile office access request, sending the mobile office access request to the target network, receiving, from the target network, response data of the mobile office access request obtained by the target network, and sending the response data to the mobile office device.

Abstract: The present disclosure provides a method and device for intelligent control of heating furnace combustion based on a big data cloud platform, which relates to the technical field of artificial intelligence control. The method includes: construction of big data cloud platform based on production and operation parameters of the heating furnace; identification of key factors in the production process of the heating furnace by using big data mining technology; independent deployment of traditional heating furnace combustion control systems based on the mechanism model; and integration of cloud platform big data expert knowledge base and the heating furnace combustion intelligent control system.

Abstract: A method and a device for positioning are provided. The method for positioning includes: measuring, by a first vehicle, a positioning reference signal PRS and a carrier phase reference signal C-PRS sent by a plurality of positioning reference devices, to obtain a plurality of PRS measurement results and a plurality of C-PRS measurement results, the plurality of positioning reference devices including a network side device and other vehicles; performing, by the first vehicle, a positioning operation according to the plurality of PRS measurement results and the plurality of C-PRS measurement results.

Abstract: Provided is an elliptical multi-mesa laser structure, including a substrate layer, an N-DBR, a functional layer and a P-DBR sequentially arranged from bottom to top. The substrate layer is fixedly connected with an N contact layer. The N-DBR is fixedly connected to a top of the substrate layer, and the N contact layer is arranged around the N-DBR. A space layer is inserted in the N-DBR. The functional layer is fixedly connected to a top of the N-DBR. The P-DBR is fixedly connected to a top of the functional layer, and a top of the P-DBR is fixedly connected with a P contact layer. Another space layer is inserted into the P-DBR.

Abstract: A virtual Intranet acceleration method includes, upon receiving a TCP request from a server at an initiating end to be sent to a server at a receiving end, customer premise equipment CPE at the initiating end transmitting information of the TCP request to CPE at the receiving end, the CPE at the receiving end configuring a connection link between the server at the initiating end and the server at the receiving end according to the information of the TCP request, and transmitting at least one of the TCP request or TCP response data through the connection link.

Abstract: A network edge computing method includes receiving, by an edge data node, a service request at least processed by network edge computation scheduling; and routing, according to a service port involved in the service request, the service request to a container of the edge data node, to be processed by the container.

Abstract: An egress access request processing method includes Customer Premise Equipment (CPE) in an enterprise Intranet of an enterprise receiving an egress access request of the enterprise, forwarding the egress access request to an acceleration network or sending the egress access request to the acceleration network in response to the egress access request complying with a preset rule, receiving, from the acceleration network, response data obtained by performing back-to-origin processing on the egress access request, and sending the response data to a sender of the egress access request.

Abstract: A scheduling scheme configuration method includes performing state verification on a plurality of operation dimensions involved in generating a scheduling scheme, and, in response to one or more of the operation dimensions being abnormal, removing the one or more abnormal operation dimensions to generate a new scheduling scheme.

Abstract: A network edge computing method includes receiving, by an edge data node, a service request; and routing, by the edge data node and according to a virtual IP address and port information in the service request, the service request to one or more containers corresponding to a service, to be processed by the one or more containers.

Abstract: A network edge computing method includes receiving, by an edge data node, a service request at least processed by network edge computation scheduling; and routing, according to a service port involved in the service request, the service request to a container of the edge data node, to be processed by the container.

Abstract: A certificate renewal method includes a satellite certification authority (CA) receiving, from a central CA, permission configuration information including permission information for indicating that only renewal processes are executed, receiving a renewal request transmitted by a device, judging whether a renewal condition is satisfied, generating a new device certificate via a signing procedure implemented using a private key corresponding to a level 3 certificate of the satellite CA in response to determining that the renewal condition is satisfied, and transmitting the new device certificate to the device.

Abstract: A data reporting method includes generating a data uploading token by a main network node, determining, from a plurality of data-uploading network nodes waiting for data uploading, a plurality of qualified network nodes having a data uploading qualification, allowing the qualified network nodes to compete for the data uploading token, and coordinating a data uploading operation with a winning network node of the qualified network nodes that obtained the data uploading token.

Abstract: An access request processing method includes Customer Premise Equipment (CPE) in an enterprise branch network receiving an access request in the enterprise branch network, determining whether the access request is for accessing an extranet and requires accelerated processing, forwarding the access request to an acceleration network in response to determining that the access request is for accessing the extranet and requires accelerated processing, receiving response data of the access request from the acceleration network, and sending the response data to a sender of the access request.

Abstract: The present disclosure relates to a virtual Intranet acceleration method and system, a configuration method, a storage medium and a computer apparatus, pertaining to the field of SD-WAN and addressing the problem in which existing processing methods for preventing packet loss consume a large amount of resources and do not achieve a satisfactory results. The method comprises: upon receiving a TCP request sent from a server at an initiating end to a server at a receiving end, customer premise equipment (CPE) at the initiating end transmitting information of the TCP request to CPE at the receiving end; the CPE at the receiving end configuring a connection link between the server at the initiating end and the server at the receiving end according to the information of the TCP request; and transmitting the TCP request and/or TCP response data via the connection link.

Abstract: A method for network traffic scheduling includes determining a distribution of monitoring servers of an application server in one or more service network areas of the application server and in one or more network areas out of the one or more service network areas, in response to determining that the distribution satisfies a preset distribution condition, modifying a mapping relationship between the application server and the monitoring servers to obtain an updated mapping relationship according to the distribution, performing monitoring according to the updated mapping relationship, and modifying a service network area coverage scheme of the application server according to a result of the monitoring.

Abstract: A smart hybrid acceleration method includes receiving a handshake request from a client terminal, and determining whether the handshake request contains a self-defined resource extension field. If not, a target domain name with which the client terminal is to connect is acquired from the handshake request, and whether to use a hardware acceleration or a software acceleration is determined according to a level of the target domain name. If so, a resource level of a resource accessed by the client terminal is determined according to content in the self-defined resource extension field, and whether to use the hardware acceleration or the software acceleration is determined according to the resource level.

Abstract: A method for content delivery network (CDN) inter-node encryption by a CDN node includes receiving a symmetric key set and a key index from a key center, determining a key from the symmetric key set according to the key index, and performing encryption and decryption processing using the key when performing Hyper Text Transfer Protocol (HTTP) data transmission with another CDN node.