System and method for controlling power consumption of mobile terminal

A power consumption control, mobile terminal technology, applied in the direction of reducing energy consumption, power management, advanced technology, etc., can solve the problem of reducing the power consumption of mobile communication terminals, not given and other problems, to avoid waste and prolong working time Effect

Active Publication Date: 2011-01-05
ZTE CORP
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Problems solved by technology

The power control methods of mobile communication systems disclosed in these patents do not provide solutions on

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  • System and method for controlling power consumption of mobile terminal
  • System and method for controlling power consumption of mobile terminal
  • System and method for controlling power consumption of mobile terminal

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Embodiment Construction

[0034] The present invention adjusts the power consumption of the terminal according to the specific application scenarios and characteristics of the mobile terminal. For example, in a high-power consumption scenario, when data is transmitted downlink, the power consumption is mainly consumed in the baseband; when data is transmitted uplink, the power consumption is mainly consumed in the RF power amplifier. The present invention detects the operating current of the terminal power interface and the operating temperature of the terminal in real time when the mobile terminal is working, and according to the characteristics that high-order modulation requires a high signal-to-noise ratio, once the uplink modulation order is reduced by using a simplified radio frequency power amplifier part consumption reduction algorithm, It can reduce the radio frequency transmission power, thereby achieving the purpose of reducing the power consumption of the terminal; at the same time, accordin...

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Abstract

The invention discloses a system and a method for controlling the power consumption of a mobile terminal. The method comprises the following steps of: detecting working temperature and/or the working current of a power interface, and judging whether the working temperature exceeds the maximum temperature threshold or not and/or whether the working current exceeds the maximum current threshold or not; and if detecting that the working temperature exceeds the maximum temperature threshold and/or the working current exceeds the maximum current threshold, reducing the power consumption of a radio-frequency power amplifier or reducing the power consumption of a base-band part. The system and the method solve the problem that the power consumption of a broad-band mobile communication terminal cannot be effectively controlled on various application occasions, and adjust the power consumption of the terminal in real time by detecting the working current and the working temperature without adding the hardware structure of the terminal or increasing the software algorithm complexity so as to meet the requirements of the limit on the maximum current of various interface protocols and the limit on the shell temperature of various terminal structures.

Description

technical field [0001] The invention relates to broadband mobile communication terminal technology, in particular to a power consumption control system and method for broadband mobile terminals. Background technique [0002] With the rapid development of communication technology and network technology, wireless broadband access technology has matured. Among them, Worldwide Interoperability for Microwave Access (WiMAX, Worldwide Interoperability for Microwave Access) technology has entered into large-scale commercial use, and Long Term Evolution (LTE, Long Term Evolution) technology is also in the trial commercial stage and will soon enter the large-scale commercial stage. Around WiMAX technology and LTE technology, various broadband mobile terminal products have emerged, including various PC cards (external or embedded wireless network cards), MODEM and mobile phone terminals. Among the above-mentioned broadband mobile communication terminal products, the radio frequency ba...

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Application Information

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IPC IPC(8): H04W52/02H04W88/02
CPCY02B60/50Y02D30/70
Inventor 赖玉强毛建华
Owner ZTE CORP
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