145results about How to "Reduce network construction costs" patented technology

The embodiments of the invention disclose a flexible Ethernet business's optical transport network carrying method and an apparatus wherein the method comprises: extracting a flexible Ethernet business from a flexible Ethernet service layer; performing data division to the flexible Ethernet business to obtain at least two data queues with each data queue carrying a queue identification; mapping each data queue to an optical transport network container which comprises an optical channel data unit k container or a flexible optical channel data unit container; and transporting the various optical transport network containers to the optical transport network. With the embodiments of the invention, the utilization efficiency of the band width could be raised and the optical transport network building cost is reduced.

The invention discloses a VHF (very high frequency) frequency-range intracloud lightning detecting and positioning system, which comprises a central treatment station and a plurality of detection and treatment sub-stations arranged in different positions, wherein the detection and treatment sub-stations and the central treatment station are accessed into a public wide area network in a wired or wireless mode; and through the wide area network, on one hand, obtained intracloud lightning detection data is uploaded to the central treatment station by the detection and treatment sub-stations, andon the other hand, the working state of each detection and treatment sub-station is remotely monitored by the central treatment station. The system can be used for precisely estimating the incidence directions of lightning radiation signals of a plurality of simultaneously occurring lightning radiation sources or the same lightning radiation source arriving at the detection sub-stations through different propagation paths, the arriving time difference of the lightning signals between any two detection and treatment sub-stations is calculated at the central treatment station (TDOA estimation),and the spatial position of an intracloud lightning radiation source is determined by DOA and TDOA information.

The disclosed 802.1x access certification method comprises: applying a RADIUS server for certification to store user information, applying user VLAN+MAC+IP as logical port, and building the certification process by client, certification system and server; wherein, applying only the 802.1X of EAPOL till certification success to switch as authorized state; once past the certification, monitoring user flow by said parameters. This invention realizes the bonding certification for multi MACs, multi IP, exchanger physical port, exchanger VLAN, exchanger managed IP, user name and cipher.

A signal processing method, device, and system in a passive optical network are provided. The signal processing method in the passive optical network includes: performing baseband encoding processing on a received service signal; modulating the service signal after baseband encoding processing onto allocated Orthogonal Frequency Division Multiple Access subcarriers through an Orthogonal Frequency Division Multiplexing modulation manner; performing digital/analog conversion on the modulated OFDMA subcarriers to obtain an electric domain Orthogonal Frequency Division Multiple Access signal; modulating the electric domain Orthogonal Frequency Division Multiple Access signal to an uplink optical signal to obtain an optical domain Orthogonal Frequency Division Multiple Access signal; and transmitting the optical domain Orthogonal Frequency Division Multiple Access signal.

A method and a system for providing clock information synchronization over a packet network, including: a logic tree of clock synchronization is created in the IP packet network to form an IP clock synchronization network; clock information is converted into an IP data message by a clock gateway equipment, the IP data message is transmitted over the IP clock synchronization network by means of the created logic tree of clock synchronization, so that the clock information is transmitted to a packet network equipment. With the inventive methods and systems, clock synchronization information can be provided over the IP packet network without construction of a synchronization timing network, and the costs of network construction can be reduced. Furthermore, the embodiments of the present invention fully unify a data network and a circuit network and thereby make network maintenances easier and more convenient.

The embodiment of the invention discloses a method for detecting cells with reversely-connected antenna feeder equipment, which belongs to the field of wireless communication. The method comprises the steps of: acquiring dominant set RTWP values and diversity RTWP values of various cell antennas of a base station in a time period to be detected; calculating the related coefficient of the dominant set RTWP value and the diversity RTWP value of each cell; and determining cells that dominant sets and diversities of antenna feeder equipment are reversely connected according to the related coefficients of the dominant set RTWP values and the diversity RTWP values obtained through the calculation. The method also comprises the steps of: acquiring optimization data and soft handover information of same-frequency neighbor cells of the cells of the base station in the time period to be detected; acquiring optimum cells according to the reporting times of a 1A event and a preset acquisition threshold; acquiring a current cell in the optimum cells; and determining cells which are reversely connected compared with the current cell according to the soft handover times between the current cell and various cells of positive neighbor cell sets thereof and the soft handover times between the current cell and various cells of positive neighbor cell sets of same-frequency co-station cells thereof. The method can automatically realize the detection of the reversely-connected antenna feeder equipment, reduce road test cost, and improve work efficiency.

An optical access network (OAN) system is provided. In the system, a remote radio unit (RRU) receives and sends a wireless signal and implement conversion between the wireless signal and a first frequency signal; an optical network device receives and sends the wireless signal, and implement conversion between the wireless signal and the first frequency signal and conversion between the first frequency signal and a fiber transmission signal; an optical distribution network (ODN) connected to the optical network device transmits the fiber transmission signal; an optical line terminal (OLT) device receives and sends the fiber transmission signal, and implements conversion between the fiber transmission signal and a second frequency signal, conversion between the second frequency signal and a base band signal, and conversion between the base band signal and a signal of another standard protocol.

The invention discloses a system for remotely monitoring and controlling an internet of things on the basis of a GPRS (General Packet Radio Service) network, relating to a monitoring system. A center server with coexistence of two modes such as B/S and C/S is adopted for carrying out data conversion with monitoring terminal equipment and a monitoring center client side by a TCP/IP (Transmission Control Protocol/Internet Protocol) mode so as to realize distributed remote monitoring and controlling. In the system, the operation does not need to create a local area network by self, so that the network creating cost is saved and the reliability is high; and the equipment is general and simple, the cost is low, the one-time investment is less, the use cost is low, the installation and maintenance are convenient, and the operation is safe, no limitation can be caused by the terrain, the landform and the environment, and even no pollution can be caused. The system can be widely applicable to streetlamps, railways, gas, running water, power, environment, petroleum and machines and the like. The system has the advantages of high network access speed, advanced technology, safety, reliability, economy, reasonability, energy conservation, simpleness and convenience in maintenance and strong practicability, and conforms to the trend for development of the conservation-minded society.

The invention provides a resolving method for network television live broadcast packet loss, wherein, a live broadcast server buffers a segment of recently broadcasted streaming media data in the form of packet during the multicast process at first; when a client is accessed into a certain live broadcast channel, multicast groups are added and a reliable transmission control protocol link is established; if the client detects of multicast packet loss, the live broadcast server is requested to retransmit lost packets through the transmission control protocol link, and packet-loss data is restored. By adoption of the method of the invention, the problem of live broadcast packet loss in a broadband access network can be solved by small overhead and user experience quality is improved, and simultaneously broadband access requirements of live broadcast services to broadband access networks can be lowered and network construction cost is lowered.

The invention discloses a three-layer virtual private network (VPN) access method. In the method, access networks access the three-layer virtual private network (VPN) through internet protocol (IP) pseudowires. The method comprises: the mapping relationship between the IP pseudowires and virtual routing and forwarding (VRF) tables is established on the provider edge (PE) equipment connected with the three-layer VPN and the access networks; when receiving IP messages from the IP pseudowires, the PE equipment searching the mapping relationship for VRF tables corresponding to the IP pseudowires and forwards IP messages in the three-layer VPN according to the VRF tables searched out and the target IP addresses of the IP messages; and when receiving the IP messages from the three-layer VPN, the PE forwards the IP messages to the IP pseudowires corresponding to the target IP addresses of the IP messages according to the target IP addresses of the IP messages. The invention also discloses a three-layer VPN access system. The three-layer VPN access method and the three-layer VPN access can improve the expandability of the access networks and lower the complexity of the PE equipment.

The invention relates to a grain condition forecasting and early warning method and system based on the SVM. The method includes the steps of setting multiple parameters which affect security levels of the grain condition, forming a standardized historical data sample, setting up a forecasting model based on an SVM regression model, collecting data of all the parameters, obtaining a forecasting result of the security level of the grain condition through the forecasting model, judging whether the change trend of the forecasting result of the security level of the grain condition is normal or not, if yes, sending the forecasting result of the security level of the grain condition to an upper computer, and if not, sending out an alarm signal. According to the method and the system, comprehensive analysis can be conducted on the collected grain condition according to the set forecasting model, and therefore the change trend of the security level of the grain condition can be forecasted; when the grain condition is abnormal, an alarm is given so that administrative staff can be prompted to do preparation work for improving the grain condition in advance, the timely foundation is provided for the control strategy of a grain condition monitoring and control system, and reliability of the monitoring and control system is improved.

A straight amplifying station supporting time - division duplex mode in orthogonal FDM system consists of down - link amplifying unit for receiving down link signal from base station and amplifying it to send it to terminal, up - link amplifying unit for receiving up link signal from terminal and amplifying it to send it to base station, radio frequency switch circuit for switching over up - link and down link amplification, unit for changing over time of up link and down link signal to let signal amplification at amplifying station synchronize strictly to time of receiving and emitting signal at base station.

The invention relates to a computer automatic constructing method of optical network topology. The invention aims at the problems that the network planning pattern for constructing network topology by means of manpower cannot effectively satisfy the needs, and the service network is hard to match with an optical transmission network. The technical feature is as follows: initializing the engineering; performing route algorithm selection, network type selection and setting regeneration section length, regeneration section hop count and target utilization rate constraint condition, and then beginning topology construction; judging whether the service has completely and successfully arranged to route, if so, executing step four, otherwise, returning to step two, resetting the constraint condition according to a suggestive reason, re-performing the topology construction until the service route is completely and successfully arranged; judging whether the topology needs the further improvement according to the constructed network topology, if so, continuing adjusting the network topology, and then executing step five, if the topology has been improved, directly executing the step five; and then deriving a planning result.

The invention discloses a base station system which includes a main control unit used for managing the base station system; a middle radiofrequency unit used for processing middle radiofrequency signals; a base band unit used for processing base band signals; a transmission unit which is connected with a network controller through a transmission interface; a model management unit used for allocating different working models of the base station system according to the networking forms of the base station system in a communication network; a first carrier frequency interface which is used for being communicated with a connected upper grade device during cascaded networks and a second carrier frequency interface which is used for being communicated with a connected lower grade device during the cascaded networks. The base station system which is provided by the embodiment of the invention can take part in the communication networking through working in different working models so as to support the flexible model of the communication networking. The base station system is convenient for operators to dilate, can reuse original equipment, avoids eliminating old base stations to reestablish new base stations and protects the investments of the operators.

The present invention relates to the technical field of communications. Disclosed are an SDN controller, a data centre system and a router connection method, so as to solve the technical problem in the prior art that a data centre network cannot complete the recovery of communication faults. The SND controller comprises: a receiver used for receiving a routing calculation request sent by an end-point device manager, the routing calculation request carrying information about end-point devices of both communication parties on which routing calculation needs to be conducted; and a processor used for conducting routing calculation on the end-point devices of both communication parties on which routing calculation needs to be conducted, and controlling a forwarding device to conduct router connection on the end-point devices of both communication parties according to the calculated routing information.

The invention provides an interior base station system which is a distributed base station system and mainly comprises a base band module and a radio frequency module. The base band module and the radio frequency module which are arranged independently are remote connected. The base band module is used for transceiving and processing base band signals and is connected with a base station controller; the radio frequency module is used for receiving and processing radio frequency signals. Obviously, by utilizing the existing cable network construction, the invention can facilitate interior full dimensional cover of the wireless networks; furthermore, the invention can realize the full dimensional cover of wireless communication networks without changing any parts of buildings. Therefore, the realization of the invention can effectively solve capacity and deep cover of the interior cover and greatly reduce network-building cost of the interior cover.

The embodiment of the invention discloses a method for detecting an antenna feeder assembly reversely connected cell, belonging to the field of wireless communication. The method comprises the following steps: in a time period to be detected, acquiring common frequency neighbor cell data and soft handover information of each cell of a base station, wherein the same frequency neighbor cell data comprises event 1A reporting frequency, event 1A reporting time, active set cell identification ID and detected set cell ID, and the soft handover information comprises time of a soft handover event, active set cell ID and target cell ID; according to the event 1A reporting frequency and a preset acquisition threshold, acquiring the current cell in optimal cells; and according to the frequency of soft handover between the current cell and all the cells of a self forward neighbor cell set and the frequency of soft handover between the current cell and all the cells of a forward neighbor cell set of a self same frequency co-base station cell, determining a cell reversely connected with the current cell, thus automatically realizing detection of antenna feeder assembly reverse connection, reducing drive test cost and improving working efficiency.

An indoor base station system that is a distribution base-station system mainly includes: the base-band module and the radio-frequency module, the self-setting base-band module and radio-frequency module are long connection, the base-band module use for dispatcher processing of the base-band signal and connect with the base-band controller, the radio-frequency module use for dispatcher processing of the radio-frequency signal. The invention may realize the omnidirectional covering indoor, do not change any part of the building. Therefore, the realization of the invention, has effectively solved the capacity and in-depth covering question of the indoor covering, also greatly reduces the net cost of indoor covering.

The invention provides a method for implementing NAT penetration of multimedia service, presetting a public network address IP1 and two private network addresses IP2 and IP3 for agent device, where IP2 and IP3 are configured at the network interface of the agent device, private network terminal configuration system controls device address to be IP2, the agent device communicates with private network terminal through IP2, IP3 is used to communicate with system control device and external terminal (public network terminal) through NAT device; IP1 is configured on the NAT device and makes static NAT conversion with IP3; in data configuration mode, informing the agent device of IP1 of its data packet after NAT conversion. And the invention converts IP address of multimedia service signaling layer and IP address in IP packet head by the agent device and NAT device, respectively, able to implement rapid and high- efficiency NAT penetration of multimedia service and making networking cost lower.

The invention discloses a base band resource sharing method of a high-capacity base band pool. The base band resource sharing method of the high-capacity base band pool comprises: when a battery backup unit (BBU) can not acquire needed base band resources from the BBU, the BBU requests unoccupied base band resources from other network elements, and the other network elements search for the unoccupied base band resources from the other network elements and other BBUs connected with the other network elements. The invention further provides a base band resource sharing system of the high-capacity base band pool. Through the base band resource sharing method and the system of the high-capacity base band pool, dynamic sharing of the base band resources between the BBUs in the high-capacity base band pool can be achieved, and therefore base band resource reuse capacity of the whole high-capacity base band pool is not limited by a single BBU.