30results about How to "Make full use of bandwidth resources" patented technology

This invention discloses an optical parallel transmission method which is open to grid application. When grid users send grid operations to grid server; the server finds the operational grid resources according to grid resource list. According to this grid resource node address inquiry optical network, find the spare available optical network resource; based on the above inquiry result, send one or more optical channel-building requests to optical control layer on demand; after the optical control layer establishes the corresponding optical channel, it returns to the result and updates the list of optical network resource; grid server begin to operate the user submit grid operation; after the operation is finished, it informs optical control layer to close the optical channel links. This invention can solve the capacity demand problem that grid application large bandwidth data transmission, improve the data transmission speed and make full use of the grid network bandwidth resources.

The invention relates to a quick downloading method for large-data documents based on a broadcasting television network and a communication network. The method comprises the steps of: (1) connection: accessing a PC terminal into a broadcasting television network through a set-top box, wherein the terminal of the set-top box is connected with a front servicing device through the broadcasting television network and the communication network, a downloading customer terminal is arranged in the PC terminal, the front servicing device comprises an user accessing managing submodule, a content managing submodule and a content distributing submodule, the content managing submodule stores document resources, and the content managing submodule is connected with an internet; (2) service requesting; (3) service responding; and (4) receiving: receiving the signal containing documents from the broadcasting television network by the set-top box, processing the signal and then sending the signal to the PC terminal. The invention has the advantages of simple and compact structure, low cost, simple realizing principle, easy implementation, great enhancement of downloading speed, and the like.

The invention discloses an intelligent distribution device and method of video bandwidth. The intelligent distribution device comprises at least one service module, a control module, a PCIe exchange module and a bandwidth distribution module, wherein the bandwidth distribution module is provided with a configuration entry; the PCIe exchange module is provided with a PCIe link switching unit. Simultaneously, the intelligent assembling method of the video bandwidth has the advantages that when congestion occurs, the PCIe exchange module reports congestion information and state information, the control module issues the state information and video data input information to the bandwidth distribution module, the bandwidth distribution module matches the state information and the video data input information to an optimally-matched configuration entry and generates configuration information; the PCIe exchange module adjusts the PCIe link switching unit according to the configuration information and finishes intelligent bandwidth distribution of all ports of the PCIe exchange module. The intelligent distribution device and method disclosed by the invention have the advantages that the intelligent bandwidth distribution of the ports is realized and the bandwidth resources are fully utilized.

The present invention provides a method for generating a frequency-domain main signal of a preamble symbol with variable bandwidth, comprising: step 1: generating a frequency-domain main sequence set according to a predetermined sequence generation rule; step 2: in the frequency-domain main sequence set , select a sequence as the main frequency domain sequence according to the signaling to be transmitted; step 3: according to the selected frequency domain main sequence, load the frequency domain main sequence on the frequency domain subcarrier with a predetermined filling rule to form the preamble symbol The main signal in the frequency domain. Based on the preamble symbols generated by the main signal generation method in the frequency domain provided by the present invention, after the receiver performs blind detection on the first OFDM symbol, it can adaptively adjust the receiving scheme according to the resolved bandwidth signaling, and then guarantee Under the premise of system compatibility, the bandwidth resources during the transmission of the preamble symbols are fully utilized.

The invention discloses a method for hiding information of a speech stream on the basis of speech coding by pulse code modulation, and aims to provide a method for hiding information of a speech stream on the basis of a G.711mu-law. By the method, the hidden information transmission safety is improved, and the channel utilization rate is increased. The technical scheme includes that the method comprises steps of constructing a communication system comprising double speed communication parties; constructing four information transmission channels by available insertion positions of modes with the serial numbers from 0 to 3 in the G.711mu-law; designing an information package format; enabling a transmitting end and a receiving end to transmit and receive the information in parallel; preprocessing the information when the transmitting end is about to transmit the information, inserting the hidden information in the speech stream L, dynamically compensating for the tone quality of the speech stream and upwardly or downwardly adjusting the channels according to smoothness conditions of the channels; and enabling the receiving end to synthesize and restore the received information. The method has the advantages that a dynamic channel adjusting mechanism is constructed, the information transmission safety can be improved, bandwidth resources of the channels are sufficiently utilized, and the quality of speech can be improved.

The invention discloses a traffic management method and device based on an aggregation link. After assigning a speed limit rate to each member port of the link aggregation group for a certain characteristic flow of the link aggregation group, the characteristic flow flow of each member port is counted. , and then determine the actual abnormal burst probability η of the feature flow in the link aggregation group according to the statistical results sudden Greater than the abnormal burst probability threshold λ sudden , and the rate limit rate of at least one member port of the link aggregation group is sufficient, the rate limit rate of the member ports of the link aggregation group is adjusted. The present invention can reasonably readjust the rate limit rate of the characteristic flow of each member port based on the actual traffic conditions of each member port after the member ports of the non-link aggregation group have allocated the rate limit rate, so the bandwidth resources of each member port can be fully utilized , which can improve the forwarding efficiency of the characteristic flow and improve the QoS guarantee.

The invention discloses a method and system for transmitting AMCC information, and relates to the technical field of communication. The transmission method is used for the wavelength division multiplexing passive optical network WDM-PON to carry Ethernet signals, which includes: the transmitting end device identifies the idle unit from the first service data stream received; writes the AMCC information to be transmitted into the idle unit After the unit, the second service data stream is obtained, and the second service data stream is sent to the receiving end device. The service data and AMCC information of the present invention are independent of each other, not only does not affect the transmission of service data, but also eliminates the loss introduced by transparent AMCC to the optical power budget, reduces the complexity of optical device design, and fully utilizes bandwidth resources.

The invention relates to multi-link load balancing technology of wide area network in the field of data communication. The invention discloses a load balancing method for multi-link binding with different bandwidths. The main steps include: a. Initializing interface parameters; b. Calculating the bandwidth coefficient μ of each interface; c. Inputting messages; d. Selecting the minimum sending flow The interface is used as the sending interface; e, send the message; f, calculate the interface traffic txBytes according to the message size and the bandwidth coefficient μ after the sending is successful, and accumulate them. The present invention calculates the interface flow according to the bandwidth coefficient, so that the distribution of the flow is adapted to the interface bandwidth, that is, it can adapt to the technical solution of the same bandwidth and can adapt to the interface binding of different bandwidths, and can make full use of the bandwidth resources of each bound interface. The present invention The load balancing algorithm is simple and the forwarding performance is high. The invention is especially suitable for flow distribution of MPPP binding interface.

The invention discloses a parameter distribution method, device and storage medium for Internet of Things applications. The method includes: receiving the downlink communication frequency automatically allocated by the cloud platform according to the criterion of not allocating similar frequencies in proximity; when receiving the network access request sent by the second communication node, obtaining the corresponding frequency of the second communication node from the cloud platform according to the first communication protocol. the communication key; if the communication key is valid, send the network access success message and the communication key to the second communication node according to the downlink communication frequency; and dynamically allocate communication parameters to the second communication node according to the preset allocation criteria. In the embodiment of the present invention, through the cooperation between the first communication node, the second communication node and the cloud platform, the communication parameters of the second communication node are dynamically allocated, so that the second communication node can be allocated the best uplink communication frequency and The uplink communication rate makes full use of bandwidth resources and ensures communication efficiency.

The invention discloses a method, equipment and a system for managing services of an IPv4 / IPv6 (internet protocol version 4 / internet protocol version 6). The method comprises the following steps of establishing a tunnel from a first network interface of an MN (mobile node) to a HA (home agent); accessing a head part based on UDP (user data protocol) and a first network interface of the MN into the head part of the network corresponding to IP (internet protocol), and packaging a data packet of services of a second network interface which is accessed into the MN; sending the packaged data packet to the HA through a channel from the first network interface of the MN to the HA. By adopting the technical scheme, the method has the advantages that the band width resource of the network interface of the MN is sufficiently utilized, the transmission efficiency of the service data is improved, and the flexibility is high.