71 results about "Local area network technology" patented technology

A method, apparatus and computer program product are provided to permit device discovery to be conducted utilizing a first radio technology, such as Bluetooth Low Energy (LE) technology, and to then handover to a second radio technology, e.g., a second radio technology having a greater bandwidth than the first radio technology. In the context of a method, device discovery is conducted utilizing a first radio technology. The method also causes communication of handover information in accordance with a predefined attribute protocol of the first radio technology. The method also performs handover to a second radio technology, such as Bluetooth technology or a wireless local area network technology, in accordance with the handover information communicated utilizing the first radio technology.

The invention discloses a communication and control system orienting to intelligent power utilization. The communication and control system orienting to intelligent power utilization comprises a core circuit board, a household intelligent socket module and a domestic appliance intelligent remote control module. The core circuit board with a C8051F020 single chip microcomputer as a control core is used for completing communication, control and user interaction function. The household intelligent socket module receives a control command through a WIFI (wireless fidelity) module I for realizing power on-off control, and a metering module acquires instantaneous power and judges operating condition of power equipment. The domestic appliance intelligent remote control module receives a control command sent by the core circuit board through a WIFI module II, and drives an electronic switch for controlling a household appliance remote control. By the aid of 3G (the 3rd generation) communication technology, teletransmission is achieved, by the aid of Web (world wide web) server technology based on the single chip microcomputer, user information interaction is achieved, by the aid of wireless local area network technology based on an Adhoc architecture, information exchanging of the control system and an intelligent socket and a household appliance remote control device is achieved, and the communication and control system orienting to intelligent power utilization is advanced, practical and easy to expand.

A networking method including receiving, at an edge router of a cloud data center, a virtual private cloud network communication from a private network via a dedicated physical connection line to the edge router. The VPC network communication is forwarded to a gateway hardware group via a first connection using Virtual Extensible Local Area Network technology. The VPC network communication is then forwarded from the gateway hardware group to VPC of a user of the private network via a second connection using VXLAN technology to access a virtual machine.

The invention discloses a method for realizing automatic and smooth switch among various network topology structures and network device thereof; A computer or the network device is connected with a physical-layer chip by a network isolating transformator connecting switch unit; the physical-layer chip processes network signal and sends the signal to a network switching chip connected with the physical-layer chip; the network switching chip is applied to the virtual local-area network technology (VLAN) and is controlled by the control signal of a control unit for carrying out switch among different network topology structures and realizing different network channels formed by a plurality of computers and network devices. The method realizes instant dynamic switch of the different network topology structures and solves the problems that frequent network-cable jumping can easily breakdown the network devices, the abrasion is high, and the service life and working performance of the network devices are affected by the traditional method of group network switch. By applying the physical-layer chip and the switching chip, and combining a control technique of a mono-plate processor, a designing proposal of a digitized circuit which mainly takes an integrated circuit chip as the circuit is formed, a universal network switch is replaced, fund repeatable investment is reduced and the application efficiency is improved.

The invention discloses an NVR and IPC port corresponding method comprising the steps that NVRs are connected with multiple IPCs through exchange equipment in a distributed network with the NVRs acting as nodes; explicit numbering is performed on each network port of the exchange equipment, and each numbered network port and different video channels in the NVRs are correspondingly bound in a one-to-one way; and VLAN isolation and identification are performed on each network port of the exchange equipment so as to form an independent connection channel of each IPC to the NVRs, and thus one-to-one correspondence of physical ports and the video channels can be realized. The exchange equipment is ingeniously utilized to provide the actual physical ports, corresponding matching of the logic interfaces of the NVRs is performed with combination of the virtual local area network technology, and a VLAN tag is marked on a transmitted message so that isolation and identification of data transmission can be effectively realized, orderly processing of the NVR ends for multiple receiving video data can be facilitated, and the problems that video data streams are difficult to distinguish in a complex network distribution environment and management is not convenient can be effectively solved.

The invention relates to the network communication field, and especially relates to a distributed node seismometer network communication method. The method includes the following steps: a server is set as a monitoring center, wherein the monitoring center and sink nodes communicate through a wide area network, and multi-hop network communication is established between sense nodes and the sink nodes; in a network initial state, the monitoring center sets up the server and waits for network access applications of the sink nodes and the sense nodes, the sink nodes send the network access applications to the server by utilizing a TCP/IP through LTE links after being powered on, and connection between clients and the server is completed; and the sink nodes, as a gateway connecting the server with the sense nodes, communicate with the sense nodes by utilizing a private network protocol stack through Wi-Fi links. A layered architecture communication network of the wide area network and a multi-hop network is constructed, and a network routing protocol and a data transmission protocol are designed. A multi-hop data forwarding mode helps to overcome a contradiction between a short communication distance in terms of the wireless local area network technology and a low signal coverage rate under complicated geographic conditions in terms of the wireless wide area network technology.

The invention relates to a hybrid remote measurement seismic prospecting method. Most basic data acquisition link are constructed by use of data conversion devices and acquisition units, and data transmission on the links employs a wired communication mode. Host computers and data exchange devices form independent network measurement units, and high-speed data communication between the host computers and the data conversion devices is realized by use of local area networks in the network measurement units. The host computers and a master control computer form networks by use of a 4G technology, and the master control computer can realize control of the acquisition units and real-time recovery of acquisition data. According to the invention, the hybrid remote measurement seismic prospecting method is formed by making full use of advantages of such communication technologies as the 4G network technology, a local area network technology and a wired communication technology in the acquisition links, such that the working efficiency is improved and the field construction cost is reduced under the condition that the real-time monitoring requirement for seismic prospecting data is satisfied.

The invention relates to a control display and network system substituting an integrated circuit card. A plurality of service browsers, a cashier dispenser, a network charger, an optimal computer and a database server and the like of certain network unit form a service station by adopting local area network technology. The optimal computer of each service station is connected with a router in the internet by a distinguishing computer to form a safe and reliable special service wide area network. The control display is provided with a microprocessor and a memory and is equipped with input keys and miniature liquid crystal display and the like. The invention needs to be online for information processing and does not need to be online for authorization, and can substitute the existing various IC cards. The invention can substitute the control display of a bank for realizing 'paperless transaction' and 'cashier flow reduction'. The network charger is equipped with the microprocessor for identifying and controlling software, the memory, a read-write device and a display and the like. The network charger adopts bar code technology, and the invention can be applied to the fields of retail trade, manufacturer, financial insurance, book management and warehouse automation management and the like.

The invention provides an inverter system communication networking method. An inverter system comprises one or a plurality of photovoltaic assemblies, one or a plurality of inverters correspondingly connected with the photovoltaic assemblies, a communicator, a server and grid ports. Each inverter is connected with a bus cable to be connected with an alternating current power grid through a grid port. One end of the communicator is connected with the one or the plurality of inverters through a wireless personal local area network technology, and the other end of the communicator is connected with the server through the Internet. The communication networking method mainly includes that the communicator informs one or the plurality of inverters to modify personal area network identifiers of the inverters to be a personal area network identifier of the communicator, and the communicator reads short addresses of the inverters. The method can be used in the system with the single photovoltaic inverter or the plurality of photovoltaic inverters, achieves networking operation conveniently, reduces the system networking time and removes mutual interference between the devices and between the systems.

The invention provides a ground system of satellite communication. The system comprises a terminal subsystem, a gateway station subsystem, and a network management subsystem; the terminal subsystem performs network configuration by adopting a virtual local area network technology and comprises multiple communication terminals; the gateway station subsystem performs network configuration by using QinQ network technology so as to conveniently receive and send data packets from communication terminals, and the data packets of the communication terminals are transmitted through the satellite; thenetwork management subsystem is configured to execute a network management operation on the satellite communication ground system. Through the satellite communication ground system provided by the invention, the satellite user networks can be greatly increased and the mutual interference is avoided through the VLAN and the QinQ technology along the increasing the amount of the satellite user.

The invention provides multiple network switching authentication methods, wherein one network switching authentication method is executed by user equipment, and applicable to switching from a cellularnetwork wireless access technology to a wireless local area network technology. The network switching authentication method comprises the steps of starting an authentication process of the wireless local area network technology; during an authentication process period of the wireless local area network technology, monitoring signal quality of the wireless local area network technology; accordingto the monitored signal quality of the wireless local area network technology, judging whether to interrupt the authentication process of the wireless local area network technology; and when the signal quality of the wireless local area network technology indicates that the switching is not suitable for being continuously performed, interrupting the authentication process of the wireless local area network technology. The network switching authentication method has the advantage that during a network switching process in interaction work between the cellular radio access technology and the wireless local area network technology, when the signal quality of the wireless local area network is not good, the authentication process of the wireless local area network can be interrupted in time, and the waste of time and resources can be reduced.

The invention discloses a channel self-adapting method, apparatus and system of a wireless switch, relates to the wireless local area network technology field. The invention is to solve the problem of the prior art that a plurality of APs work in a same frequency and interference is easy to generate. The channel self-adapting method of the wireless switch comprises: computing power values of coupling signals received via various channels; comparing the power values and selecting a channel corresponding to a minimum power as a work channel. The channel self-adapting method, apparatus and system of the wireless switch in the invention, improve the efficiency of wireless network signal transmission by automatically selecting the channel having the minimum power of the coupling signal.

The invention discloses a mining lamp charging cabinet communication system based on a computer local area network technology. The communication system comprises a mining lamp room data server, a master switch and 1#-n# mining lamp charging cabinets, an independent secondary switch and a computer host are arranged on each of the 1#-n# mining lamp charging cabinets separately, the computer local area network technology is adopted for connection in a data connection mode of the mining lamp charging cabinet communication system, the mining lamp room data server is in data connection with the master switch, the master switch is in data connection with the secondary switches on the 1#-n# mining lamp charging cabinets, the secondary switches on the 1#-n# mining lamp charging cabinets are in data connection with one another, and accordingly a data connection loop is formed. The computer local area network technology of wireless or wired connection is adopted in the communication system, and the communication system is different from existing mining lamp charging cabinet communication mode schemes, mature in technology, rapid in network communication and beneficial to maintenance.

The invention discloses a smart mine lamp charging rack communication system adopting a computer local area network structure. The system comprises a smart mine lamp charging rack, a mine lamp room data server, a primary switch, a sub-switch and a host computer; a computer local area network technology is adopted for connecting various parts; the mine lamp room data server is connected with the primary switch through a connection medium; the primary switch is connected from the sub-switch of a 1# charging cabinet to the sub-switch of an N# charging cabinet through connection media, so as to form a connection loop.