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34results about How to "Increase the number of terminals" patented technology

Interactive low power consumption live broadcasting and recorded broadcasting system and method for teaching

The invention provides an interactive low power consumption live broadcasting and recorded broadcasting system and method for teaching. The student side adopts a special low power consumption interaction terminal, and is provided with a live broadcasting control all-in-one machine; the live broadcasting control all-in-one machine can acquire audio and video streaming media, course and teaching plan pictures or files and attached media file for time axis synchronization, generate a real-time coarse data stream, and upload the real-time coarse data stream to a live broadcasting and recorded broadcasting center server; the live broadcasting control all-in-one machine further acquires the coarse data stream from the live broadcasting and recorded broadcasting center server for demultiplexing, enables the audio and video streaming media and the attached media files to reappear, and pushes the course and teaching plan pictures or files to the low power consumption interaction terminal for synchronous displaying. The system further realizes interaction between interacting contents and interacting messages. The invention provides a two-dimensional time axis synchronization technology based on an intensive timestamp and the content overlap ratio, and synchronous association of the interacting contents, the interacting messages and the real-time coarse data stream is realized.
Owner:杭州恒生数字设备科技有限公司

Dynamic early warning data acquisition device applied to emergency evacuation of high-rise elevator

InactiveCN102674106AProfessionalReasonable coverage areaElevatorsSimulationData acquisition
The invention belongs to the technical field of public security and particularly discloses a dynamic early warning data acquisition device applied to the emergency evacuation of a high-rise elevator. The dynamic early warning data acquisition device comprises elevator evacuation area detector groups, landing acquisition terminals, a main station manager, a power bus A, a power bus B, a detection communication bus, terminal communication buses, landing wireless communication networks, a centralized power supply device and the like, wherein each floor is provided with one elevator evacuation area detector group and one landing acquisition terminal. When various emergencies occur in a high-rise building, the advantages of the elevator in the vertical transportation can be exerted, and the largest number of people can be evacuated in the shortest time. To reduce the evacuation risk of the elevator, the dynamic early warning data acquisition device is established to realize the real-time monitoring of the running environment of the elevator, and reliable measurements are provided for the evacuation safety of people. The device has the characteristics of comprehensive reflected information, high response and reliability and strong expandability, and can be flexibly applied to the evacuation occasions of elevators of various high-rise buildings, and meet the requirements of evacuation and rescuing.
Owner:SHANGHAI FIRE RES INST OF THE MIN OF PUBLIC SECURITY

Method and device for determining decision threshold of DTX detection, and DTX detection method and device

The invention relates to a method and device for determining a decision threshold of DTX detection, and a DTX detection method and device. The method for determining the decision threshold comprises the following steps: determining a target terminal number range where a current terminal number is located according to the current terminal number on a target physical resource and multiple pre-divided terminal number ranges; determining a target signal to noise threshold and a target relative power threshold corresponding to the target terminal number range according to a pre-established corresponding relation among the terminal number range, the signal to noise threshold and the relative power threshold; dynamically adjusting the target signal to noise threshold and the target relative power threshold according to a physical measurement value, and determining the adjusted target signal to noise threshold and the adjusted target relative power threshold as the decision threshold of DTX detection. According to the DTX detection method, the decision threshold determined by the method for determining the decision threshold of the DTX detection is used for performing the DTX detection of each terminal on the target physical resource. By adoption of the technical scheme, the DTX detection performance can be improved.
Owner:COMBA TELECOM SYST CHINA LTD

Business service method, network analysis device and billing system

The invention provides a business service method, a network analysis device and a billing system. The business service method comprises the steps of obtaining a business request which is sent from a terminal to a network by the network analysis device, wherein a business type is carried in the business request; sending the business type to the billing system by the network analysis device if the business type shows that a business is a long-term online type business or a BT (Bit Torrent) download type business for enabling the billing unit cost corresponding to the business type in a contractual relation corresponding to the terminal to be increased to a first preset value by the billing system; or, sending the business type to the billing system by the network analysis device if the business type shows that the business is the long-term online type business or the BT download type business for enabling the user level in the contractual relation to be reduced to a second preset value by the billing system and reducing an access bandwidth which is distributed to the terminal according to the user level. The business service method, the network analysis device and the billing system, which are provided by the invention, are used for solving the problems that in the prior art, the network is easy to jam, the number of user terminals which can be borne by the network is less, and thus the user experience is poor.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Terminal simulator for low-orbit satellite constellation communication system and control method

The invention relates to a terminal simulator for a low-orbit satellite constellation communication system and a control method, and a multiple access mode for communication between the terminal simulator and a satellite comprises one or a combination of more of time division multiple access, frequency division multiple access, code division multiple access and space division multiple access. The terminal simulator comprises a terminal uplink and receiving parameter simulation module, a local pps signal synchronization module, a spread spectrum transmitting module and a spread spectrum receiving module, and the terminal uplink and receiving parameter simulation module is used for outputting a multiple access control signal which corresponds to a set multiple access mode and is used for terminal uplink and receiving; the spread spectrum receiving module is used for receiving and demodulating a downlink signal sent by a satellite, and the spread spectrum transmitting module is used for receiving the multiple access control signal and outputting an uplink signal to the satellite. By combining a plurality of multiple access modes, the communication capacity and the test efficiency of the satellite constellation communication system can be improved from multiple angles of time, frequency, address and space.
Owner:ZHEJIANG GEESPACE TECH CO LTD +1

dtx detection method and device

The present invention relates to a DTX detection method and system. The method comprises the following steps: acquiring the signal to noise ratio of each terminal; acquiring a relative power value of each terminal; pre-determining the terminal with signal to noise ratio smaller than a preset signal to noise ratio threshold as a DTX terminal, and pre-determining the terminal with signal to noise ratio not smaller than the preset signal to noise ratio threshold as a non-DTX terminal, and obtaining a DTX pre-determination result of the signal to noise ratio of each terminal; pre-determining the terminal with relative power value smaller than a preset relative power value threshold as the DTX terminal, and pre-determining the terminal with relative power value not smaller than the preset relative power value threshold as the non-DTX terminal, and obtaining a DTX pre-determination result of the relative power value of each terminal; and performing logic operation on the DTX pre-determination result of the signal to noise ratio of each terminal and the DTX pre-determination result of the relative power value of each terminal according to a preset pre-determination result to obtain a DTX detection result of each terminal. by adoption of the scheme provided by the invention, the accuracy of DTX detection can be improved.
Owner:COMBA TELECOM SYST CHINA LTD

An interactive low-power teaching live recording and broadcasting system and method

The invention provides an interactive low power consumption live broadcasting and recorded broadcasting system and method for teaching. The student side adopts a special low power consumption interaction terminal, and is provided with a live broadcasting control all-in-one machine; the live broadcasting control all-in-one machine can acquire audio and video streaming media, course and teaching plan pictures or files and attached media file for time axis synchronization, generate a real-time coarse data stream, and upload the real-time coarse data stream to a live broadcasting and recorded broadcasting center server; the live broadcasting control all-in-one machine further acquires the coarse data stream from the live broadcasting and recorded broadcasting center server for demultiplexing, enables the audio and video streaming media and the attached media files to reappear, and pushes the course and teaching plan pictures or files to the low power consumption interaction terminal for synchronous displaying. The system further realizes interaction between interacting contents and interacting messages. The invention provides a two-dimensional time axis synchronization technology based on an intensive timestamp and the content overlap ratio, and synchronous association of the interacting contents, the interacting messages and the real-time coarse data stream is realized.
Owner:杭州恒生数字设备科技有限公司

A measurement control method and base station for the relationship between neighboring cells of the same system

The invention discloses a measurement control method of neighbor relation in the same system and a base station. The measurement control method includes allowing users to allocate ANR (automatic neighbor relation) control strategy according to conditions of network planning, namely allowing the users to select active ANR or passive ANR; during use of the active ANR, selecting an external frequency point with maximum weight which is larger than zero to do ANR measurement if a terminal has conditions of executing the ANR measurement; after receiving an ANR measurement report which is reported on the frequency point and sent from the terminal and contains the physical cell identity, adaptively updating the weight of the current frequency point according to whether a cell represented by a physical cell identity is known or not; if the reporting times of the ANR measurement report sent from the terminal exceeds a preset threshold value or an ANR measurement timer of the terminal is overtime, then recovering normal mobility measurement; if the reporting times of the ANR measurement report sent from the terminal does not exceed the preset threshold value or the ANR measurement timer of the terminal is not overtime, then waiting to receive the ANR measurement report sent from the terminal.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD

DTX detection method and device

The present invention relates to a DTX detection method and system. The method comprises the following steps: acquiring the signal to noise ratio of each terminal; acquiring a relative power value of each terminal; pre-determining the terminal with signal to noise ratio smaller than a preset signal to noise ratio threshold as a DTX terminal, and pre-determining the terminal with signal to noise ratio not smaller than the preset signal to noise ratio threshold as a non-DTX terminal, and obtaining a DTX pre-determination result of the signal to noise ratio of each terminal; pre-determining the terminal with relative power value smaller than a preset relative power value threshold as the DTX terminal, and pre-determining the terminal with relative power value not smaller than the preset relative power value threshold as the non-DTX terminal, and obtaining a DTX pre-determination result of the relative power value of each terminal; and performing logic operation on the DTX pre-determination result of the signal to noise ratio of each terminal and the DTX pre-determination result of the relative power value of each terminal according to a preset pre-determination result to obtain a DTX detection result of each terminal. by adoption of the scheme provided by the invention, the accuracy of DTX detection can be improved.
Owner:COMBA TELECOM SYST CHINA LTD
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