154results about How to "Improve data transmission quality" patented technology

The present invention discloses an unmanned aerial vehicle aerial photo system and method. The unmanned aerial vehicle aerial photo system comprises at least two unmanned aerial vehicles and a ground control station; the information mutual communication between the ground control station and the unmanned aerial vehicles are performed through a data transmission link; a wireless communication connection between different unmanned aerial vehicles is established through the arrangement of a mobile video base station task load device; and unmanned aerial vehicles having good channel conditions are taken as mobile communication transfer stations, and taken aerial image information is transferred to the ground control station. According to the unmanned aerial vehicle aerial photo system and method, the unmanned aerial vehicles having good channel conditions are taken as mobile communication transfer stations, therefore the problem of the poor quality of taken aerial images in the prior art is solved, and the transmission effect and the quality of the aerial images are improved.

The present invention relates to communications technology. Disclosed are a data stream transmission method and device, the method comprising: when a base station determines that a UE is covered by an access point (AP) satisfying an offload condition, the base station instructs the UE to transmit all or part of the data stream via a WLAN link; the UE transmits all or part of the data stream via the WLAN link according to the offload instruction, thus achieving the cooperative transmission between a mobile communication network and the WLAN network, ensuring the capability of the user transmitting data via an optimized network, and improving the quality of data transmission.

The embodiment of the invention discloses a data transmission method, device and equipment, and a readable storage medium. The method comprises the steps: obtaining a data packet; determining at leasttwo transmission links between a sending terminal and a receiving terminal, and obtaining link quality attributes respectively corresponding to at least two transmission links; acquiring a data attribute corresponding to the data packet, and acquiring transmission demand information corresponding to the data packet according to the data attribute; and determining a target transmission link for transmitting the data packet from the at least two transmission links according to the transmission demand information and the link quality attribute. According to the invention, the data transmission quality can be improved.

The embodiment of the invention discloses a multimedia data transmission method and device, a storage medium and a server. The multimedia data transmission method comprises the following steps: detecting the transmission state of multimedia data during the transmission of the multimedia data, the transmission states include the blocking state and the smooth state; obtaining the initial value of the estimated bandwidth set for the multimedia data when the transmission state is smooth; adjusting the estimated bandwidth according to the initial value and the preset growth factor, and obtaining the uploading code rate of the multimedia data based on the adjusted estimated bandwidth; and sending the multimedia data according to the uploading code rate. By means of the multimedia data transmission method, the data transmission quality can be improved when the network state is better through adjusting the uploading code rate in the case of smooth network state.

The invention discloses a video multi-image synthesizing method, device and system. The method comprises that: a video processing field programmable gate array (FPGA) receives multipath videos and respectively corresponding addresses sent by a decoding module via a high-speed serial bus, and the address of each path of video is confirmed by the decoding module according to the requirement of multi-image layout; the received multipath videos are scaled, and size of each path of video after scaling is the same with that of a corresponding sub-image in multiple images respectively; each path of video after scaling is cached, and the corresponding address of each path of video after caching is corrected; and each path of video after scaling is respectively stored in corresponding memory space according to the corrected address. System resource can be saved, data transmission speed can be enhanced and image quality can be enhanced by the method.

The invention discloses a method for eliminating the interference of nearby regions, wherein user device UE obtains the midamble setting information of each nearby region, while the information comprises midamble shift distributing method and midamble setting parameter K, the UE according to the midabmle setting parameter K for each nearby region which midabmle shift distributing method is default obtains the relation between the midabmle shift and channel code of nearby regions, and the UE according to the relation checks relative nearby regions to obtain signal evaluation, via which to eliminate the interference of nearby regions. The invention also discloses a communicator and a TDD-CDMA communication system.

The invention discloses a dustproof server cabinet for protecting a data port of server equipment. A fixed plate is fixedly mounted at the top end of a movable plate through a connecting rod; a plurality of compression cylinders are arranged at the top end of the fixed plate at equal intervals through bolts; the top end of a damping block is fixedly connected with a dustproof plate through a bolt;a plurality of dustproof holes are formed in the dustproof plate at equal intervals; a plurality of brush mounting plates are mounted at the top end of the dustproof plate at equal intervals; a brushfor removing dust is mounted on the brush mounting plate; the movable plate drives the fixed plate to move up and down in the direction of a linear guide rail; the fixed plate drives the dustproof plate to move up and down, so as to drive a hairbrush to move up and down to remove dust from a server, thereby avoiding the blockage and data transmission caused by dust accumulation on the data port of the server, prolonging the service life of the server, and improving the data transmission quality of the server. Meanwhile, when the brush removes dust, an acting force received by the brush is transmitted to a compression column through the dustproof plate, and the compression column achieves a damping function on the dustproof plate through the elastic deformation capacity of the compressioncolumn.

The embodiment of the present invention discloses a wireless connection control method and device in an audio playing system. The method comprises the steps of using a current playing device to receive a Bluetooth data transmission request sent by a current sound source device; if the current playing device satisfies a set Bluetooth switching condition, using the current playing device to determine a target access device for the current sound source device from the other playing devices comprised by the audio playing system and a wireless router in which the audio playing system is accessed; using the current playing device to control to establish the wireless connection between the current sound source device and the target access device, so that the current sound source device transmits the audio-video data to the audio playing system via the established wireless connection. According to the embodiment of the present invention, the Bluetooth configuration operation of the audio playing system is simplified, and the playing is prevented from being interrupted effectively.

A method for improving the quality of data transmission in cellular radio systems utilizes time division multiple access, in which the strength of a signal received at a base station is measured and a decoder for soft decision-making is employed. The method includes measuring the strength of the signal the base station receives in at least two consecutive time slots and determining a weighting coefficient by comparing the signal strengths and reducing, using the determined weighting coefficient in a soft bit decision-making, the significance of at least one symbol at the beginning of the burst the base station receives in a time slot if the difference between the measured signal strengths is considerable.