111results about How to "Meet Bandwidth Needs" patented technology

The embodiment of the invention relates to the technical field of mobile communications and provides a method for controlling a user terminal to access a wireless network. The method comprises the following steps: portable WIFI (Wireless Fidelity) hotspot equipment receives a network access request message from the user terminal, wherein the network access request message comprises the identifier information of the user terminal; and the portable WIFI hotspot equipment selects corresponding QoS (Quality of Service) parameters and a corresponding access point name (APN) according to the identifier information of the user terminal, so that the user terminal can access the network. According to the embodiment of the invention, the corresponding APN and the corresponding QoS parameters are selected according to the identifier information of the user terminal, so that the portable WIFI hotspot equipment controls to carry out different allocations of wireless link resources on the different user terminals, meanwhile, the requirements of the different user terminals on bandwidth are also met, and the bandwidth resources are maximally utilized.

The invention discloses a method and system for positioning and playing a three-dimensional panoramic video. The method comprises the following steps of: collecting panoramic video information and GPS (Global Positioning System) data information; binding the collected panoramic video information and GPS data information; converting the collected panoramic video information into a three-dimensional panoramic video with an flv (flash video) format which is suitable for panoramic playing; converting the GPS data information corresponding to the panoramic video information into a location map with a web mode or a kml file; playing the three-dimensional panoramic video with the flv format in a webpage, and synchronously positioning the three-dimensional panoramic video. By utilizing the method and system, panoramic videos with different definitions can be generated, web-based playing is realized by applying a flash 3D technology, pitching and sweeping operations can be carried out conveniently, and remote viewing and close looking effects can be simulated by controlling FOV (Field of View).

The invention relates to a TCP congestion control method for a bandwidth reservation network. The method comprises the steps of detecting the current usable bandwidth in a network link, the minimum round-trip delay for TCP connection, and the average data packet size for TCP connection; calculating the starting threshold T of a TCP sliding window according to the usable bandwidth, the minimum round-trip delay and the average data packet size; setting the initial size of the TCP sliding window as the starting threshold T and directly entering the congestion avoiding stage; reducing the size of the current congestion window to be T and reentering the congestion avoiding stage once packet loss or timeout occurs during data packet transmission.

The invention provides an LTE-A relay system and a collaboration switching method of the LTE-A relay system based on an auxiliary carrier. Services are provided for a user by a base station and the user at the same time through a direct-connection low frequency link of the base station-the user and a high-frequency link among the base station-a relay station-the user. The switching method comprises the steps that when the high-frequency link is required to be switched, a source side base station firstly detects the low-frequency direct-connection chink directly connected with the user, and therefore when the high-frequency link is switched, the services can be continuously provided for the user. According to the method, the requirement of the user for a large broadband is met, meanwhile, the outage probability of switching is reduced, and the quality of the user services is improved.

The invention provides a time division long term evolution (TD-LTE) broadband digital cluster business application appliance, a system and a method based on an enhanced multimedia broadcast multicast service (eMBMS). The method comprises that a packet data network gateway (PDN-GW) can be used for receiving the cluster business responding and founding cluster loading requests sent by a cluster scheduling management center and the cluster business responding and founding cluster loading requests can be transponded to a gateway, wherein the gateway is used for supporting a cluster business playing specialty. The cluster business responding and founding cluster loading requests are transponded a mobile management entity (MME) by the gateway. After the MME is configured with transmission bearing information, a wireless access bearer establishment can be launched to a base station with the transmission bearing information. After the base station is used for completing the wireless access bearer establishment, cluster business convention can be returned to the cluster scheduling management center to found a response by the MME. The TD-LTE broadband digital cluster business application appliance, the system and the method can be used for regarding a cluster communication as a business to integrate into a public honeycomb mobile system.

The invention provides an antenna switching assembly, a switching method, a switching system, an antenna and a mobile terminal. The antenna switching assembly comprises a three-phase change-over switch, a fixed terminal and a selection terminal, wherein a first terminal and a second terminal in the fixed terminal are grounded; a third terminal in the fixed terminal is connected to a radio frequency processing module; the selection terminal is connected with a first feed point, a second feed point and a third feed point of an antenna body; and any terminal of the first terminal, the second terminal and the third terminal is connected with any feed point of the first feed point, the second feed point and the third feed point through the three-phase change-over switch. Through the technical scheme, a plurality of combination and connection modes of the fixed terminal and the selection terminal are achieved, so that multiple groups of resonant states are obtained; and the requirement of the bandwidth which cannot be covered by single resonance is met.

The invention provides an implementation method and system of a broadband digital cluster service, a cluster dispatching management center, a BM-SC, an MBMS-GW, an MME, an MCE, a base station, user equipment and a network side device. The implementation method of the broadband digital cluster service comprises the steps that (1) the cluster dispatching management center receives a cluster call establishment request; (2) the cluster dispatching management center sends a created cluster bearing request carrying calling information and a transmission bearing address to a network side according to the cluster call establishment request. Compared with a solution of a private network cluster communication system which is built on the basis of the second generation mobile communication technology, according to the technical scheme, the requirement for the broadband of the cluster service can be effectively met, and transmission efficiency is improved. In addition, the utilization rate of frequency resources can be improved, and application of a cluster communication service is expanded from a traditional private network to a mobile public network.

The invention discloses a router based user accessed bandwidth adjusting method, device and system. The router based user accessed bandwidth adjusting method comprises obtaining user operated application businesses which perform data transmit-receive through a router; judging whether the user operated application business comprise a preset high bandwidth application business or not and popping up a prompt to a user if yes; sending a bandwidth acceleration request to a network control system which is provided by a preset bandwidth operator interface; responding according to the bandwidth acceleration request returned back by the network control system and adjusting the bandwidth for the high bandwidth application business which is corresponding to the bandwidth acceleration request. The router based user accessed band width adjusting method, device and system can improve the total bandwidth utilization efficiency of the network control system and satisfies user personalized bandwidth requests.

The invention discloses a router based user access bandwidth adjusting method, device and system. The router based user access bandwidth adjusting method comprises obtaining application businesses operated by a user, wherein data transmission and receiving of the application businesses is performed by the router; judging whether required guaranteed bandwidth for the user operated application businesses exceeds the static bandwidth distributed for the router in advance or not and sending a bandwidth acceleration request for a network control system provided by a broadband operator interface which is set in advance if yes; adjusting the bandwidth for the application business which is corresponding to the bandwidth acceleration request according to the bandwidth acceleration request response returned by the network control system. The router based user access bandwidth adjusting method can improve the utilization efficiency of the network control system total bandwidth and satisfy user personalized bandwidth requests.

The invention discloses a 10 Giga optical link terminal optical transmitter and receiver integrated module, which includes a module optical interface, a module electrical interface and a kilo mega transmitter and receiver integrated optical component, also includes a 10 Giga optical transmitter component, and a 10 Giga transmitter drive circuit for driving the component. The 10 Giga transmitter drive circuit is composed of a signal transformation circuit, a laser drive circuit and a matching circuit, wherein the signal transformation circuit input terminal is connected with the electrical signal to be transmitted, the signal after being transformed by the signal transformation circuit is inputted into the laser drive circuit, the modulated signal, which is outputted from the laser drive circuit and is modulated by the matching circuit, is inputted into the electroabsorption modulator input terminal of the 10 Giga optical transmitter component, for driving 10 Giga optical transmitter component transmitter emitted light signal. The optical receiver and transmitter integrated module has signals with 10Gbps and 1.25Gbps down transmission rate, and signals with 1.25Gbps upward transmission rate, thereby realizing asymmetric transmission of upward signal and down signal for meeting the need of high-speed bandwidth.

The invention relates to a dynamic adjusting method for a bandwidth. The method comprises: network flows of all users are monitored periodically and bandwidth utilization rates of all users are calculated according to the monitored network flows; when the bandwidth utilization rate of certain user is larger than a first threshold value, the bandwidth of the user is increased, and when the bandwidth utilization rate of the user is less than a second threshold value, the bandwidth of the user is reduced, wherein the first threshold value is larger than the second threshold value. With the method, the equitable bandwidth distribution is guaranteed and the bandwidth utilization rate is improved.

The invention relates to the field of computer system structure and integrated circuit design, and a high-speed memory chip having a plurality of independent access channels is disclosed, including anon-chip memory and several high-speed serial access channels. A network-on-chip interconnect module is also included. The on-chip memory includes a plurality of memory sub-blocks accessible in parallel, and the memory sub-blocks and the high speed serial access channels are interconnected by the on-chip interconnect network module, and the on-chip interconnect network module being implemented ina single bus, a multi-bus, a ring network, a two-dimensional mesh, or a crossbar switch. The invention has a high-speed memory chip with a plurality of independent access channels, has good bandwidthexpansibility, realizes the shared parallel access of a plurality of main control chips to the memory chip and the data sharing and exchange among the plurality of main control chips, integrates storage and processing, and reduces the total storage cost of the system and the design and manufacture cost of the memory chip.

The embodiment of the invention discloses a bandwidth allocation method, a bandwidth allocation device and an optical network system, and relates to the field of wireless communication. The bandwidth allocation method is applied to an OLT (Optical Line Terminal) in the optical network system, and comprises the following steps: receiving the bandwidth demand information of an objective community in a current period; selecting modulation formats of ONUs (Optical Network Units) included in the objective community from a plurality of preset modulation formats according to a preset algorithm on the basis of the bandwidth demand information; determining available bandwidths according to the selected modulation formats and physical bandwidths; allocating bandwidths to each ONU in the objective community according to the bandwidth demand of the objective community and the determined available bandwidths; allocating subcarriers and time slots to different service grades of businesses of each ONU according to the bandwidths allocated to each ONU in the objective community. According to the scheme provided by the embodiment of the invention, the bandwidth demands of the ONU of each community on different businesses can be met, and the experience of a user is improved.

The invention discloses a terminal and an antenna structure thereof, and a special protection sleeve. The antenna structure is applicable to the terminal with a metal shell; the antenna structure comprises an antenna radiation region and a USB-C interface coupled with the antenna radiation region; the antenna radiation region separates the metal shell of the terminal through a micro slit; the antenna radiation region is connected with a regulation apparatus for regulating the resonant frequency of the antenna structure; the antenna radiation region is provided with multiple feed points; coupled feeding is performed, and the resonant frequency of the antenna structure is regulated by adopting the regulation apparatus to obtain different frequency band combinations, so as to realize domestic all-network-band coverage of the antenna structure; radio frequency signals and grounding signals can be switched to different feed points via selector switches by the multiple feed points so as to obtain different resonant frequencies; and equivalently, switching of virtual antennas is performed, and the current path of the antenna structure is changed, so that balance of the antenna performance under holding of left and right hands can be realized successfully.

The invention relates to radiation curable compositions. The invention provides radiation curable optical fiber primary coating compositions comprising an oligomer, a reactive diluent monomer blend comprising at least two reactive diluents monomers, and at least one photoinitiator, wherein each of said monomers in said blend has the formula (I) wherein x is an integer of from 1 to 6; n is an integer of from 1 to 5; and each Y, which may be the same or different, is independently selected from the group consisting of hydrogen, a C1 to C12 alkyl group and an alkarylalkoxylated acrylate radical; and at least one photoinitiator; said reactive diluent monomer blend being substantially free of non-aryl reactive diluent monomers; wherein when an aryl reactive diluent monomer is present that has a molecular weight less than about 300, it is present at no more than about 10 wt. % of the total formulation.

The invention relates to real-time data acquisition system and method of a high-resolution imaging instrument, used in a data acquisition card capable of acquiring data at a high speed and a computer capable of storing data at a high speed. The data acquisition card comprises an interface unit, a buffer unit, a data sending unit and a control unit, and the interface unit is connected with an imaging instrument and can convert an LVDS (Low Voltage Differential Signaling) signal into a TTL (Transistor-Transistor Logic) level signal. The invention solves the technical problems that a traditional image acquisition and storage system can not satisfy the real-time acquisition and storage requirements of high-resolution imaging data. The invention has the advantages of small use size, portability, simplicity, convenience, stable working performance, reliability, and the like.

The invention provides an antenna system and a mobile terminal, wherein a resonance arm is separated from a metal shell of the mobile terminal, and the antenna system comprises a resonance arm, and afirst tuning circuit and a second tuning circuit, a first feed source circuit and a second feed source circuit arranged between the resonance arm and the grounding end. The resonance arm is formed byarranging a slit on the metal shell, the feed source circuits and tuning circuits connected with the feed source circuits are arranged on the resonance arm, and another tuning circuit is arranged at the tail end of the resonance arm. The switching of the radiation modes is realized at the feed source end of the resonance arm and the tail end of the resonance arm through a switch combination of thetuning circuits, so that medium-high frequency band bandwidth coverage in small clearance environment can be realized by using a single antenna, and the bandwidth requirements of the antenna efficiency and the frequency band in the mobile terminal are met.

The invention discloses a hardware realization system and method of video display stream compression coding. The method comprises: converting an input RGB format of to-be-carried-out compression coding, and using a result as original pixel data for caching; extracting reconstruction values of predicting needed neighboring pixels, and calculating and obtaining pixel prediction values of a current group; carrying out subtraction on the same and original pixel data to obtain pixel quantization residual values of the current group; obtaining reconstruction values of pixels of the current group according to calculation of the pixel quantization residual values of the current group and the pixel prediction values of the current group; carrying out comparison with the original pixel data according to pre-stored historically-used pixel reconstruction values to obtain pixel reconstruction values and pixel index values under a color history index; storing the reconstruction values; respectivelycoding the pixel quantization residual values and the pixel index values to output entropy coding data, reusing the same as a set of data stream, carrying out caching, carrying out splicing accordingto a storage order, and then carrying out output. The method can effectively improve processing speed of image compression, and retains image compression performance of a DSC coder at the same time.

A broadband multimedia service system especially relates a baoadband video service system with dynamic bandwidth configuration and rate control function made up of abroad frequency primary link network, a central server and one or many customer multimedia terminals with at least one internal Motion-JPEG chip. The central server observes multimedia interaction between terminal and multimedia in between and informs the terminal all the terminal network connection speed, network jam and dynamic configuration of bandwidth for each terminal which compersses adjusted diagrams to realiz corresponding bit rate to the matched bandwidth.

The invention discloses a network transmission speed control apparatus. The network transmission speed control apparatus operates in a computing device and is used for controlling the network transmission speed of a network application in the computing device. The network transmission speed control apparatus includes an operating mode detector which is suitable for detecting the current operating mode of the computing device, a transmission speed regulator which is suitable for modifying the number of parallel network links of the network application and / or speed limitation so as to modify the network transmission speed of the network application, and an accelerator which is suitable for indicating the transmission speed regulator to increase the number of the parallel network links and / or enhance the speed limitation and detecting the network transmission speed of the network application when the operating mode detector indicates that the current operating mode of the computing device is not a network application mode, and indicating the transmission speed regulator to continue to increase the number of the parallel network links and / or continue to enhance the speed limitation when the detected network transmission speed is increased and exceeds a predetermined ratio. The invention also discloses a corresponding network transmission speed control method.

The invention relates to a method for flow distribution in a multichannel access network. Multiple channels at least contain an IP (Internet Protocol) channel and a QAM (Quadrature Amplitude Modulation) channel. The method comprises the following steps: carrying out initial flow distribution of a newly-received data flow; comparing a required bandwidth and a residual bandwidth of the IP channel; if the required bandwidth is smaller than the residual bandwidth of the IP channel, distributing the data flow to the IP channel; otherwise distributing the data flow to the QAM channel; and detecting a packet loss rate of the data flow in a transmission process of the data flow, and switching between the transmission channels when the packet loss rate is abnormal, wherein the step specifically comprises a step of switching a flow with the maximum occupied bandwidth on the IP channel to the QAM channel when the packet loss rate of the IP channel is greater than a threshold of the packet loss rate of the IP channel; or switching all data flows borne by a port with the minimum bandwidth in a port set having a greater bandwidth than the excess bandwidth to another frequency point when the packet loss rate of one frequency point on the QAM channel is greater than a threshold of the packet loss rate of the frequency point of the QAM channel.

The invention discloses an ultra-low profile microstrip laminated dual-polarized base station antenna and an array thereof, and belongs to the field of antennas. The antenna particularly comprises a floor etched with a square ring gap, a cross slotted radiation patch, a multi-branch feed structure, a cross slotted stacked patch and three layers of dielectric plates. The novel multi-branch feed structure and the cross slotted stacked patch are introduced into the microstrip laminated dual-polarized antenna disclosed by the invention, so that balanced feed of the antenna is realized, and the bandwidth of the antenna is expanded; and moreover, the cross slotted radiation patch and the antenna floor etched with the square ring gap jointly suppress the coupling current between the ports, and the isolation of the antenna ports is improved. The antenna array has the advantages of being high in port isolation, low in profile, simple in structure, easy to process and assemble and the like, andcan be well applied to a 5G novel base station.

The invention relates to 8-channel full-optical fiber coarse wavelength division multiplexer / demultiplexer, adopting a wavelength division multiplexing unit made by fused biconic taper (FBT) technique as a basic unit, using cascade mode to synthesize seven wavelength division multiplexing units at different working wavelength into a 20nm-space 8-channel three-stage full-optical fiber coarse wavelength division demultiplexer, which has an input port and 8 output ports, the lights of two branched channels of each unit are periodically distributed and compensatory. Reverse the demultiplexer as a coarse wavelength division multiplexer with 8 reverse input ports and 1 output port. It is easy to construct and little influenced by environmental temperature and humidity, and has low cost, good working stability and very good expandability, and can increase communication capacity for the same network, meeting the demands of current communication service on bandwidth.

The invention discloses a method, a device and a system for bandwidth speed acceleration, belongs to the communication technology field and solves a problem that a speed acceleration demand of users for equipment can not be realized. The method comprises steps that a speed acceleration request message sent by the user equipment is received by a gateway management platform; according to the speed acceleration request message, a bandwidth adjusting strategy is determined; the bandwidth adjusting strategy is sent to gateway equipment; a bandwidth adjusting request message is sent to BRAS through a broadband capability opening platform; a bandwidth adjusting response message is returned to the user equipment. The method is applied to a bandwidth speed acceleration progress.

The invention discloses a manufacturing method of an optical waveguide embedded optical printed circuit board. The manufacturing method comprises the following steps: coating a thin film, forming grooves by printing and pressing, depositing a metal, coating a second-layer thin film, laminating, punching by laser, and etching, wherein the step of forming grooves by printing and pressing comprises the three substeps of manufacturing a body, forming a mold, and duplicating a shape. No additional optical coupling component is needed for the optical printed circuit board, and the optical waveguide with 45-degree total-reflection mirrors on two ends is embedded into the optical printed circuit board by the grooves formed by printing and pressing, thus the photo-electric conversion efficiency of the optical printed circuit board can be improved, and the procedure of manufacturing the additional optical coupling component is omitted. The manufacturing method disclosed by the invention is suitable for large-scale manufacturing.

The present invention discloses a passive optical network data collection method based on secondary sampling. The method comprises the following steps that: an OLT periodically generates synchronization time information according to a first local clock counter; the OLT carries out ranging on an ONU, obtains a loop time delay and sends the time delay to the ONU; the ONU outputs synchronization sampling pulse according to received time information; the ONU latches the value of a second local clock counter at the rising edge of the synchronization sampling pulse; the sampling values of N periods before the synchronization sampling pulse are obtained through cache; the ONU sends the values to an interpolation module to carry out interpolation operation to obtain a synchronization sampling interpolation result and outputs the interpolation result at the falling edge of the synchronization sampling pulse, the result can be sent to an ONU local processor to carry out processing to realize data synchronous acquisition and transmission, the establishment of a time synchronization relation among multiple passive optical networks is not needed according to the provided method, the independent sampling frequency can be employed by each passive optical network, and stable and reliable synchronization collection data is obtained.

The invention discloses a port bandwidth guaranteed packet switching chip and a method for implementing port bandwidth guarantee in the packet switching chip. A mechanism similar to a time division multiplexing in a circuit switching system is used for assigning a corresponding number of time division slices according to sizes of different port bandwidths, which causes that the bandwidth can be strictly guaranteed once a plurality of ports at different rates start data burst transmission, thereby preventing complicated dispatching mechanism and greatly reducing design difficulty. Meanwhile, configuration of the time division slices can be changed accordingly by software configuration according to combined change of port rate and port number, which greatly improves flexibility. In addition,the design method can lower requirement for sending cached data to a port, further saving space of the chip.

The embodiment of the invention discloses a data transmission method and device, electronic equipment and a readable storage medium, and the method comprises the steps: obtaining the bandwidth demandsof to-be-transmitted data during the actual transmission, and selecting at least two target links according to the bandwidth demands and the bandwidths of all existing links; according to the data size of the to-be-transmitted data and the bandwidth of the target link, slicing the to-be-transmitted data to obtain first slice data arranged in sequence according to a slicing sequence; allocating aserial number to the first slice data to obtain second slice data; and sequentially sending the second slice data to a receiving end through the target link, wherein the receiving end is used for recombining the received second slice data. According to the method, a high-speed interface does not need to be used, the cost can be effectively reduced, parallel transmission can be achieved while the bandwidth requirement of the to-be-transmitted data is met, and the transmission efficiency is effectively improved.

A method for playing a digital television program on line comprises the steps of selecting a link of a program to be watched by a subscriber of a digital television terminal, and transmitting an access request to a stream media server via internet; packing the stream media data corresponding to the access request into a plurality of data packets by the stream media server; creating a download task by the digital television terminal to download the data packets of stream media data, and decoding and playing the stream media data via the preset decoder. In the invention, stream media program data are downloaded from the internet, thus realizing real-time on-line playing of the digital television program on the digital television terminal, and leading the subscriber to select time and program to watch at will.