Energy Efficient Transmission of Content Over Wireless Connections

A content-efficient technology for energy-efficient transmission that can solve the problem of consuming the total power consumption of smartphones and draining the battery of smartphones

Active Publication Date: 2019-01-22
MICROSOFT TECH LICENSING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the nature of current wireless display technology, the smartphone must continuously transmit information to the wireless display, which rapidly drains the smartphone's battery
For example, a Wi-Fi transmitter on a smartphone may consume a third or more of the smartphone's total power consumption if used continuously

Method used

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  • Energy Efficient Transmission of Content Over Wireless Connections
  • Energy Efficient Transmission of Content Over Wireless Connections
  • Energy Efficient Transmission of Content Over Wireless Connections

Examples

Experimental program
Comparison scheme
Effect test

example 2

[0032] Example 2 - Environment for energy efficient delivery of content

[0033] figure 1 is a block diagram depicting an example environment 100 for implementing the energy efficient transfer techniques described herein. The example environment 100 includes a first computing device 110 and a second computing device 130 . For example, the first computing device 110 may be a battery-powered mobile device such as a smartphone, tablet, or laptop. The first computing device implements one or more of the energy efficient transmission techniques described herein, such as adaptive switching and / or low power mode. The second computing device 130 may be a device connected to a display 150, such as a high-definition television. Alternatively, second computing device 130 may be integrated with display 150 .

[0034] The first computing device 110 includes a radio station 120 (eg, a Wi-Fi station). The second computing device 130 also includes a radio station 140 (eg, a Wi-Fi station...

example 3

[0039] Example 3 - Energy Efficient Delivery of Content

[0040] In any of the examples herein, portions of content (eg, portions of video or audio files, web page content, slide presentation content, etc.) can be transmitted in an energy efficient manner. For example, a radio station may be placed in a low power mode between portions of transmitted content.

[0041] figure 1 is a flowchart of an example method 100 for energy-efficient transmission of content. Method 100 may be performed at least in part by a first computing device that includes a wireless station (eg, a Wi-Fi station). At 110, a first portion of content is obtained. For example, the first portion of content may be a segment of content of a certain size or duration (eg, a 5 or 10 second portion of content).

[0042] At 120, the first portion of the content is transmitted to the second computing device for playback (eg, display) by the second computing device. For example, a second computing device may be ...

example 4

[0050] Example 4 - Adaptive switching for energy efficient delivery of content

[0051]In any of the examples herein, adaptive switching may be performed to enable energy efficient transmission of content. For example, one or more portions of content (e.g., one or more segments of a video and / or audio file) may be transmitted in a mirrored Local decoding and display and encoding of displayed content, wireless transmission of encoded displayed content to a second computing device (eg, television), and simultaneous (or near-simultaneous) display by the second computing device. One or more other portions of content (e.g., one or more other sections of a video and / or audio file) may be transferred to a second device for decoding and display without decoding and display by the first computing device. show. The first computing device may enter a low power mode when other portions of the content have been transferred (eg, between transferring other portions, or between transferring...

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Abstract

Various techniques may be used to provide energy efficient delivery of content. In an example technique, portions of content may be transferred from a first computing device to a second computing device for display. Between transmissions of portions of the content, the radio of the first computing device may be placed in a low power mode. In another example technique, one or more portions of content may be decoded, displayed, encoded, and transmitted by a first computing device for mirroring on a second computing device. One or more other portions of the content may be transmitted to the second device in an encoded format without being decoded and displayed by the first device. In another example technique, the radio of the first device may be placed in a low power mode between transmissions of commands to control content to the second computing device.

Description

technical field [0001] Embodiments of the present disclosure relate generally to transmission of content, and more particularly to energy efficient transmission of content over wireless connections. Background technique [0002] Smartphones and other mobile devices will rapidly replace more traditional computers for many tasks such as web browsing, viewing video content and playing games. In fact, the typical smartphone is already more powerful than a computer was only a few years ago. Although smartphones can perform many tasks of conventional computers, smartphones still face many limitations. For example, because smartphones are smaller than traditional computers and laptops, smartphones have smaller keyboards and smaller displays. [0003] One way to compensate for the small display on a smartphone or other mobile device is to wirelessly mirror the smartphone's display on a larger display. However, due to the nature of current wireless display technology, the smartpho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02
CPCH04W52/0258Y02D30/70H04W52/0212G06F1/325H04L1/0042H04W92/18
Inventor H.格林R.钱德拉A.巴蒂亚V.霍特格
Owner MICROSOFT TECH LICENSING LLC
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