68results about How to "Improve networking flexibility" patented technology

The present invention relates to a method and system for providing access from a first network (30) to a service of a second network, wherein an authentication signaling is used to transfer a service selection information to the second network (70). Based on the service selection information, a connection can be established to access the desired service. Thereby, cellular packet-switched services can be accessed over networks which do not provide a context activation procedure or corresponding control plane signaling function.

In the wireless telegram communication (28) from data-generating, unidirectionally communicating terminal devices (12) by way of primary radio sections (10) and by way of subsequent bidirectionally operating data collectors (13) of a radio network (11) to a data-documenting master data collector (14), a memory and selection expenditure governed by redundancy as a consequence of multiple connections by way of the primary radio sections (10) is avoided and nonetheless very reliable telegram communication (18) is achieved with simplified data collectors (13) if distribution criteria such as for example reception field strength-dependent quality information (22) is currently detected and stored in data collectors (13) for primary radio sections (10) from terminal devices (12). In dependence on the instantaneous distribution criteria for each terminal device (12) the master data collector (14) implements a quasi-stationary association with one and only one of the data collectors (13) for the subsequent telegram communications (18), until for example periodically or in an event-controlled manner a new association of a terminal device (12) is again implemented with one and only one, possibly a different one of the data collectors (13). The data collectors (13) also operate with each other as relay stations (25) for forwarding the data telegrams (18) to the master data collector (14) and are equipped, to prevent telegram doublets occurring on different routes, with a barrier against the same data telegram (18) being read out a plurality of times.

This invention discloses a signal dispacth method in an optical transmission network including: converting received signals to electric signals to be de-imaged and adapted to a unified particle grade to be processed with asynchronous cross dispatch in an asynchronous cross matrix. This invention also discloses a system including: a photoelectric conversion unit, a de-image unit, an adaptive device, in which, the asynchronous cross matrix receives optical signals to be converted into electric signals by the photoelectric conversion unit to be input into the de-image unit then enters into the adaptive device to be processed and output in a unified particle grade, then enters into the asynchronous cross matrix to be dispatched.

A data acquisition concentrator and a data acquisition method are provided. The data acquisition concentrator comprises a data acquisition module (101) for acquiring data recorded by an instrument, a data processing module (102) for processing and encapsulating the data acquired by the data acquisition module (101), and a reporting module (103) for transmitting the data encapsulated by the data processing module (102) to a system server through a universal network. The data acquisition concentrator and the data acquisition method can be applied to meter reading on various occasions such as electric power, water, gas and the like without laying a special circuit.

A method for magnetic resonance imaging (MRI) scans a field of view and acquires sub-sampled multi-channel k-space data U. An imaging model A is estimated. Sub-sampled multi-channel k-space data U is divided into sub-sampled k-space patches, each of which is processed using a deep convolutional neural network (ConvNet) to produce corresponding fully-sampled k-space patches, which are assembled to form fully-sampled k-space data V, which is transformed to image space using the imaging model adjoint Aadj to produce an image domain MRI image. The processing of each k-space patch ui preferably includes applying the k-space patch ui as input to the ConvNet to infer an image space bandpass-filtered image yi, where the ConvNet comprises repeated de-noising blocks and data-consistency blocks; and estimating the fully-sampled k-space patch vi from the image space bandpass-filtered image yi using the imaging model A and a mask matrix.

An optical transmitter is provided for transmitting a wavelength multiplexed signal comprising an intensity modulation optical signal and a phase modulation optical signal through a transmission line. The optical transmitter includes a bit time difference given signal generator for generating at least two optical signals having a bit time difference therebetween, from the wavelength multiplexed signal. The optical transmitter further includes a wavelength multiplexed signal output unit to which at least two optical signals are input from the bit time difference given signal generator, and which generates and outputs a wavelength multiplexed signal in which the bit time difference was given between the phase modulation optical signal and the phase modulation optical signal.

An EtherCAT master-slave station integrated bridge controller, a control method, a control system and a readable storage medium are provided. Therein, an FPGA-based EtherCAT master-slave station integrated bridge controller is constructed. Because of the hardware parallel computing capability of FPGA, the master station of the EtherCAT master-slave station integrated bridge controller has a hard real-time characteristic so as to ensure real-time sending and receiving of EtherCAT network data and reduce the dependence on CPU performance and operating system real-time performance. The EtherCAT master-slave station integrated bridge controller can serve as a slave device relative to a third-party master station device and meanwhile serve as a master device relative to a third-party slave station device, thus reducing the load of EtherCAT bus network and improving the flexibility of network topology.

The method comprises: the media switch center (MSC) in MSC pool comprises MSC servers and media gateways (MGW); the MSC server in MSC pool uses same signaling point to connect to a same access control device through MGW. The method comprises: after receiving a message from the access control device, according to the subscriber parameter carried by the message, MGW determines the destination MSC server of the message sent to a same signaling point, and sends the received message to the destination MSC server.

The embodiment of the invention discloses a sniffer system, an audiomonitor and a monitoring method in an IP network so as to reduce the transform and influence caused to the prior network element. The system of the embodiment of the invention comprises the processes that: an analysis unit Analysis TAP is used for intercepting the data message that the user equipment receives or sends through a network equipment; the monitoring filtration rule is set according to the monitoring command that the legal monitoring gateway LIG sends down and the data message is resolved and filtered according to the filtration rule, and the data message after being filtered is reported to the LIG; the network equipment is wherein a packet access node which accesses the user equipment and the LIG is used for sending down the monitoring command to the Analysis TAP. The related information for setting the monitoring filtration rule is carried in the monitoring command and the data message that the Analysis TAP reports is forwarded to a monitoring center MC so as to implement the monitoring.

This invention relates to a transmitting method for messages including: re-packaging received messages carrying with messages packaged on Ether second and third layers and transmitting them in a false link, and then re-packaging the messages acording to the package kind of the false linkd output. This invention also discloses a transmission device including: a re-transmission packaging module repackaging received messages carrying with messages packaged on second and thirs Ether layers and transmitting them in a false link, a repackaging module used in repackaging messages according to the package kind of the output false link, which does not lose the second layer packaged information in transmission and preserves the second layer head information of important original message oE to increase flexibility of networking when accessing PWE3.

The invention relates to the technical field of optical communication equipment, in particular to a bidirectional transmission optical module capable of remotely adjusting the wavelength. The bidirectional transmission optical module comprises a plurality pairs of bidirectional optical communication units, a pair of wave combiners and separators and an optical fiber; each pair of bidirectional optical communication units are correspondingly partitioned to be a terminal module and a local side module according to the fact of being deployed at an AAU end or a DU end respectively, and the pair ofwave combiners and separators are coupled to the two ends of the optical fiber respectively, wherein the terminal module is connected with the active antenna unit (AAU) and the first wave combiner and separator, and the local side module is connected with the distributive unit (DU) and the second wave combiner and separator; and each bidirectional optical communication unit comprises a receivingmodule, a transmitting module and a wavelength control module, wherein the wavelength control module controls the transmitting module to transmit signal light with the corresponding wavelength according to an instruction received by the receiving module. The bidirectional transmission optical module has the substantial advantages that by means of the wavelength control modules, remote wavelength adjusting is achieved, and the system networking flexibility is improved; and by using single-fiber bidirectional transmission, the terminal modules and the local side modules have no physical difference, and installation and deployment are convenient.

The invention relates to an optical fiber digitalization transmission method applied to straight amplification station, the method comprises: converting a radio frequency signal of a signal source into an IF signal and a broad band digital signal; separating and moving the known carrier wave in the broad band digital signal into the baseband by digital down-conversion; packing the baseband signal and the monitoring signal into CPRI or other standard high speed serial protocol data and transmitting into the other compatible apparatus by optical fiber; de-packing the CPRI or other standard high speed serial protocol data by the compatible apparatus to separate the baseband signal and the monitoring signal; moving each baseband signal into IF, then adding to form a broad band digital intermediate frequency; converting the digital IF signal into a simulation IF signal by a high speed DAC; converting the simulation intermediate frequency into the radio frequency signal, transmitting by the aerial through being amplified by a power amplifier. The apparatus designed by the invention can enable the networking of the optical fiber straight amplifying station to be flexible, thereby greatly improving the engineering debugging simplicity.

This invention provides a signal system based on IP and a transmission method, which utilizes the IP signaling switching point supporting SIGTRAN protocol group to set up the signal system, and saves plenty of relay circuits and reduces relay interface boards so as to reduce cost of network devices. The IP connection among network devices in the signal network does not stickle to the TDM relay resource of traditional signal network, so the connection becomes more flexible.

The invention relates to the technical field of optical communications and provides an adaptive OLT optical module and a control method thereof, wherein the optical module includes an analog switch and a self-reset circuit, the control port of an electrical connector is connected with a microprocessor for transmitting a peripheral control signal to the microprocessor, a control 1 signal port and acontrol 2 signal port of the electrical connector are connected with a strobe interface of the analog switch, a strobe control interface of the analog switch receives the signal from the microprocessor and selectively transmits the control 1 signal or the control 2 signal to the microprocessor; the self-reset circuit generates a self-reset signal according to a received burst electrical signal, processes the received burst electrical signal and transmits the signal to a receiver, and the receiver transmits the uplink signal to the electrical connector. The invention adopts an OLT optical module to implement hybrid insertion on a GPON network line card single disk or an EPON network line card single disk, thereby improving networking flexibility and reducing operation and maintenance costs.

The invention discloses an IP access method. The IP access method includes the steps that an initial IP address used by a user device in the Portal authentication process is reserved through an access device after the user device passes Portal authentication, and is forbidden from being distributed to other user devices, then a new IP address is distributed to the user device when an IP address application request of the user device is received, and the corresponding relation between the new IP address and the initial IP address is saved. The access device and an authentication server can not need to perceive IP address changes of a user at any time, and the networking flexibility of NAS devices is greatly improved. The invention further discloses the access device.

A network system has: a node performing transmission / reception of a frame based on FCoE; a network; a controller performing management of the node and the network; and a gateway provided with respect to the node. The frame is classified into a control frame and a data frame. The gateway determines whether a frame received from the node is the control frame or the data frame, forwards the control frame to the controller, and forwards the data frame to the network. The controller performs the management based on the control frame received from the gateway. The network transfers the data frame received from the gateway to a destination node without through the controller. The node has a retransmission control and reordering unit configured to perform retransmission control and reordering processing with respect to the data frame.

The invention discloses a method for realizing independent recording of an internet protocol (IP) terminal in a conference mode, relating to the field of data communication. According to the method for realizing independent recording of the IP terminal in the conference mode, the IP terminal independently triggers a recording process, establishes a media channel with recording equipment by use of a standard IP signal protocol, and directly sends media data of a recording target to the recording equipment. Through adoption of the method, intermediate steps are omitted, performance requirements and dependency on other equipment are lowered, the scheme cost is reduced, and the control flow is simplified; furthermore, due to use of the standard IP signal protocol, the networking flexibility is improved.

The invention discloses a wireless transmission access method and system based on LAA, and the method comprises the steps: a BBU obtains a signal system corresponding to an LBT starting instruction, and issues a starting instruction message of the corresponding LBT; the bridging unit distributes the starting indication message to the RRU; the RRU performs frequency spectrum scanning according to a signal system in the starting indication message to obtain idle and busy state information of an unauthorized frequency spectrum of the signal system, and reports the idle and busy state information to the BBU through the bridging unit; the BBU determines a preemptive unlicensed spectrum of the signal system according to the idle / busy state information, and issues an occupation message; the bridging unit distributes the occupation message to the RRU; the RRU judges the signal source of the signal system in the occupied message; and if the manufacturer is a different manufacturer, a signal transmission channel is switched to a radio frequency processing channel in the different manufacturer, and transmission is performed by preempting an unlicensed spectrum. According to the invention, the access of information sources of different manufacturers on the unauthorized spectrum is realized, the service transmission of the different manufacturers is improved, the instantaneous transmission flow is enhanced, and the application range and the equipment compatibility of the LBT technology are expanded.

The invention discloses a method and a system for realizing base station cascade and a cascade processing logic subsystem. Two sides of a superior base station are connected with a base station controller and subordinate substations by different media; the superior base station and the base station controller are connected by an E1 / T1 circuit; the superior base station and subordinate base stations are connected by Ethernet; and the cascade processing logic subsystem is used for realizing functions of flow control and congestion scheduling. The base station cascade mode of the invention realizes the dynamic sharing of bandwidth, reduces cost, improves networking flexibility and improves capacity of the cascaded base stations.

The invention discloses a networking control method and device for data communication, and the method comprises the steps: an application end searches broadcast information of a plurality of communication devices to be networked, distributes corresponding network addresses for the communication devices, and builds a mapping relation between the network addresses and the device information to obtain a mapping result; the application end selects a main communication device from all the communication devices to establish wireless connection and sends network configuration information including a mapping result to the main communication device so as to trigger the main communication device to obtain a corresponding network address from the network configuration information and store and broadcast the network configuration information; and the remaining communication devices in the non-networking state are used for analyzing the corresponding network addresses after receiving the network configuration information and storing the network addresses. It can be seen that networking of the multiple communication devices can be achieved in the mode that the main communication device selected by the application end from the multiple communication devices to be networked broadcasts the network configuration information, the networking process is simplified, the networking time is shortened, and the networking efficiency is improved.

The invention relates to a multi-target area multi-microgrid structure and capacity optimization planning method. The method includes steps of obtaining the capacity and type of a load, the position, capacity, and type of a distributed power supply, a multi-microgrid network structure, and initialized data of energy storage position, and capacity, and type; setting the requirement values of networking flexibility, distributed energy consumption, and multi-energy comprehensive utilization target; obtaining a series of antibody populations that meet the value requirements of networking flexibility, distributed energy consumption and multi-energy utilization target; operating the antibody populations by means of an immune genetic algorithm; and outputting an economic and optimal area multi-microgrid structure and capacity planning method meeting the networking flexibility, distributed energy consumption, and multi-energy comprehensive utilization target. On the premise of guaranteeing the economy, the networking flexibility, distributed energy consumption capability, and multi-energy comprehensive utilization efficiency can be improved.

The invention discloses a digital microwave device including a central processing unit (CPU) in charge of generating network-management data of a network element which the CPU is in, searching a route in a data package forwarding process and sending and receiving the network management data through an interface between the CPU and a switching chip; the switching chip which is in charge of data package forwarding and provided with a three-layer routing and two-layer forwarding function; a modem in charge of data package encoding and decoding, sending the data packages to an intermediate-frequency section for transmission and parsing the data received by the intermediate-frequency section; and a route synchronization module in charge of synchronizing route information and ARP protocol information to the switching chip. The invention also discloses a network-management data forwarding method applied to the above-mentioned digital microwave device. Through adoption of the technical scheme of the invention, the single three-layer interface is arranged and a single IP address is used and the three-layer routing function is realized so that IP addresses are saved and networking flexibility of the microwave network management is improved.

The present invention discloses a method and a system for implementing a video on demand service and a home streaming media server. When the home streaming media server is incapable of providing a media service for the client device, the home streaming media server obtains, from the dispatching server, information of a streaming media server capable of providing service, and the streaming media server provides media service for the client device, thereby achieving redirection during video on demand service and remedying the defects of traditional video on demand systems in terms of redirection function.

The invention discloses an electric energy router cluster system applied to an alternating-current and direct-current hybrid power system. The electric energy router cluster system takes multiple electric energy router modules and a cluster controller as a core to realize networking connection with external equipment. Each electric energy router module is provided with at least three electric energy ports and has electric energy conversion and electric energy router functions. The external equipment comprises an alternating-current lightning-proof combiner box, a direct-current lightning-proofcombiner box, a plurality of alternating-current / direct-current contactors, an alternating-current power distribution cabinet, a direct-current power distribution cabinet, an alternating-current switch cabinet and a direct-current switch cabinet. The cluster system controller is in information interaction with a metering device, a protecting device and a control device of the electric energy router cluster system. The system can be taken as a virtual 'electric energy router', basic functions including electric energy conversion, transmission route controllable optimization, transmission capacity controllable distribution and the like of the electric energy router are achieved, equipment cost can be effectively reduced, equipment energy efficiency, networking flexibility and energy systemreliability are effectively improved, and simplicity and easiness in implementation are realized.

A link aggregation method, device, MAC frame sending and receiving method and system. The link aggregation method includes: the systems at both ends of the link transmit the information of the VLAN to which the port in the local system belongs to the peer system through message interaction; information and the information of the VLAN to which the port of the local system belongs determines the VLAN to which the link belongs, and performs link aggregation according to the VLAN to which the link belongs. The MAC frame transceiving method includes: the sending end obtains the VLAN information of the MAC frame and the VLAN information of the links in the link aggregation group; the sending end selects the link for sending the MAC frame from the links with the same VLAN as the MAC frame, and sends The MAC frame is sent to the receiving end through the selected link; the receiving end sends the received MAC frame to the MAC client. The embodiment of the present invention improves the flexibility of networking and the ease of use of network design, maintenance and management; and the MAC frame with the VLAN ID can be quickly, accurately and conveniently distributed to the corresponding VLAN link.