基于Android系统的网络模块功耗评估与分析.pdf

嵌入式移动便携设备由电池供电，而电池的容量受到体积和重量的限制，因此嵌入式移动设备的功耗成为研究的关键问题。采用WIFI和GPRS两种网络接入策略来研究手机系统功耗的变化。实验结果表明，两种策略的电池使用时间在小流量模式（10kb/min）下降低了约50%，在大流量模式下（2Mbit/min）能耗更快，降低了在相同的数据传输量下，WIFI模式比GPRS模式省电约85%+。在两台基于Android系统平台的真机上进行了实验，结果表明，研究手机移动网络模块的功耗降低具有重要意义。

(Embedded mobile portable devices are powered by batteries, and the capacity of batteries is limited by volume and weight. Therefore, the power consumption of embedded mobile devices has become the key issue of research. WiFi and GPRS network access strategies are used to study the change of power consumption of mobile phone system. The experimental results show that the battery life of the two strategies is reduced by about 50% in the small flow mode (10KB / min), the energy consumption is faster in the large flow mode (2Mbit / min), and the power consumption of WiFi mode is about 85% lower than that of GPRS mode under the same data transmission volume. Experiments are carried out on two real machines based on Android system platform. The results show that it is of great significance to study the power consumption reduction of mobile network module.)

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