Method and device for data transmission

A data transmission and streaming media transmission technology, applied in the field of data transmission, can solve the problems of unsmooth sound and/or picture, poor user experience, large delay jitter of data packet transmission, etc., so as to reduce or avoid unsmooth, Guaranteed transmission quality and improved user experience
CN106657918BActive Publication Date: 2019-08-02北京捷联微芯科技有限公司
5 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
北京捷联微芯科技有限公司
Publication Date
2019-08-02

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

Embodiments of the invention provide a method for data transmission. The method comprises the following steps of receiving a first message from a sending host at a first moment by a sending WIFI system; generating a second message based on the first message, wherein the second message includes the first moment; sending the second message to a receiving WIFI system; and after the receiving WIFI system receives the second message, if a system moment reaches or exceeds a third moment, transmitting an MSDU to a receiving host, wherein a difference between the third moment and the first moment is equal to a preset delay time. In the embodiments of the invention, the sending WIFI system adds a timestamp into an MPDU, so that the end-to-end delay of the message from the sending host to the receiving host can be guaranteed, and thus the unsmooth condition can be reduced or avoided, the transmission quality of streaming data, such as audio and video streams, is guaranteed, and the user experience is improved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to the field of communications, and more particularly to a data transmission method and device. Background technique

[0002] Image sensors are an important part of digital cameras. According to different components, it can be divided into two categories: Charge Coupled Device (CCD) and Metal-Oxide Semiconductor (Complementary Metal-Oxide Semiconductor, CMOS). With the popularity of low-cost CMOS image sensors and video compression chips, the demand for wireless transmission of audio and video is increasing rapidly, and the existing wireless fidelity (Wireless Fidelity, WIFI) system is the most suitable transmission solution. However, the existing WIFI system does not guarantee the real-time transmission quality of audio and video streams, the transmission delay of data packets fluctuates greatly, and the delay of some packets exceeds the maximum delay that the audio and video player can tolerate, resulting in playback T...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More