Method for improving service efficiency of wireless multimedia bandwidth

A multimedia and multimedia broadcasting technology, applied in television, selective content distribution, electrical components, etc., can solve problems such as low tariffs and inability to obtain display effects, and achieve the effects of reducing tariffs, avoiding insufficient bandwidth, and improving usage efficiency

Inactive Publication Date: 2009-09-09
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For mobile terminal users with very low screen resolution, the video bit rate can be reduced accordingly, because no matter how high the bit rate is, it will not be able to obtain better display effect due to the limitation of the display screen; similarl

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  • Method for improving service efficiency of wireless multimedia bandwidth
  • Method for improving service efficiency of wireless multimedia bandwidth

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Embodiment Construction

[0016] In the present invention, the multimedia broadcasting equipment obtains the display screen parameters from the mobile terminal, and optimizes and compresses the video data volume according to the video coding format to reduce the code stream rate, thereby improving its bandwidth utilization efficiency. When the multimedia broadcasting device has a multimedia business relationship with a mobile terminal for the first time, the multimedia broadcasting device first sends a request to the mobile terminal to obtain the display screen parameters and video encoding format of the mobile terminal, and saves the mobile terminal's information after receiving feedback from the mobile terminal. Display screen parameters and video encoding format are stored in the corresponding parameter database, which can be directly called in the next communication; optimize and compress video data according to the obtained screen parameters and video encoding format, so as to determine the appropri...

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Abstract

The invention discloses a method for improving the service efficiency of a wireless multimedia bandwidth. The method comprises the following steps: a multimedia broadcasting device sends a request to a mobile terminal to acquire display screen parameters and video code format of the mobile terminal; the multimedia broadcasting device calls the acquired display screen parameters and video code format and optimizes the video data to be transmitted according to the display screen parameters and the video code format; and the multimedia broadcasting device determines a code stream rate according to the display screen parameters and the video code format and transmits the optimized video data to the mobile terminal according to the set code stream rate. The multimedia broadcasting device communicates with the mobile terminal at the set code stream rate, thereby avoiding bandwidth waste and bandwidth deficiency, and improving the service efficiency of the wireless multimedia bandwidth.

Description

technical field [0001] The invention relates to a wireless multimedia technology, in particular to a method for improving the use efficiency of wireless multimedia bandwidth. Background technique [0002] With the development of wireless technology and the increase of people's demand for multimedia services, mobile multimedia services have developed unprecedentedly. The most common examples are mobile TV on buses and mobile TV services on mobile phones. However, the wireless bandwidth has become the bottleneck for the development of its large business volume. For example, the bit rate of the 802.11b mode of WIFI is 11Mbps. After removing the link overhead, the actual rate used to transmit data (video data) may be less than 6Mbps; For video in MPEG4 format with 1.5M bandwidth, only 4 streams can be transmitted. [0003] In actual application, our multimedia broadcasting equipment often uses the same code stream rate to communicate with mobile terminals, which inevitably lead...

Claims

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Application Information

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IPC IPC(8): H04N7/26H04L29/06H04N21/414H04N21/431
Inventor 王威唐纬
Owner ZTE CORP
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