Method for optimizing power consumption in wireless devices using data rate efficiency factor

A data rate and power consumption technology, applied in the field of power consumption, can solve the problems of performance degradation and low power consumption efficiency

Active Publication Date: 2014-04-23
APPLE INC
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  • Application Information

AI Technical Summary

Problems solved by technology

If nothing is done, the reduced performance may cause the user's electronic device to use power inefficiently when handling wireless data traffic

Method used

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  • Method for optimizing power consumption in wireless devices using data rate efficiency factor
  • Method for optimizing power consumption in wireless devices using data rate efficiency factor
  • Method for optimizing power consumption in wireless devices using data rate efficiency factor

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Embodiment Construction

[0013] Today's wireless networks often support multiple radio access technologies. Examples of radio access technologies include Global System for Mobile Communications (GSM), Universal Mobile Telecommunications System (UMTS), Code Division Multiple Access (CDMA) (for example, CDMA2000 including standards such as CDMA20001XRTT), and Long Term Evolution (LTE). The earliest introduced radio access technologies such as GSM, UMTS and CDMA are sometimes referred to as 2G or 3G technologies, and the more recently introduced and potentially more current technologies such as LTE are sometimes referred to as 4G technologies. Radio access technologies such as these can be used by wireless networks such as cellular telephone networks to communicate with cellular telephones, portable computers, and other user equipment. Many networks not only support traditional radio access technologies (such as 2G and / or 3G radio access technologies), but also deploy newer radio access technologies (such...

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Abstract

An electronic device has wireless communications circuitry that supports communications using multiple radio access technologies. The electronic device may gather information such as data rate values, power consumption values, and other data for a currently active radio access technology and an alternative radio access technology. The electronic device may automatically switch between the currently active radio access technology and the alternative radio access technology based on a value of a data rate efficiency metric. The data rate efficiency metric may represent how efficiently each radio access technology is capable of using power to convey a given amount of data per unit time. The data rate efficiency metric may be evaluated using measured power consumption data, measured data rate values, and operating parameters such as signal strength and transmitted power parameters.

Description

Background technique [0001] The present invention relates generally to wireless communication circuits, and more specifically to optimizing power consumption associated with the use of wireless circuits in electronic devices. [0002] Electronic devices such as computers and cellular phones are often equipped with wireless communication capabilities. For example, electronic devices may use long-distance wireless communication circuits such as cellular telephone circuits to process voice and data traffic. [0003] Wireless networks can often support multiple radio access technologies. For example, a wireless network may have traditional equipment for processing radio access technologies associated with "2G" and "3G" communications, as well as for processing radios such as Long Term Evolution (LTE) associated with "4G" communications. Newer equipment of radio access technology such as access technology. [0004] In a network that supports multiple radio access technologies, the numbe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W36/14
CPCH04W52/0225H04W36/14H04W36/36H04W36/24Y02D30/70H04W52/02H04W88/06
Inventor R·W·迪姆佩尔马伊尔J·于N·W·鲁姆
Owner APPLE INC
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