News Column

Patent Issued for Method for Extending Battery Life in a Wireless Device

September 3, 2014

By a News Reporter-Staff News Editor at Journal of Engineering -- According to news reporting originating from Alexandria, Virginia, by VerticalNews journalists, a patent by the inventor Choong, Khong Neng (Kuala Lumpur, MY), filed on September 18, 2009, was published online on August 19, 2014.

The assignee for this patent, patent number 8811248, is Mimos Berhad (Kuala Lumpur, MY).

Reporters obtained the following quote from the background information supplied by the inventors: "Battery life of wireless devices is one of the major concerns for wireless network operators and one of the main parameters describing user experience with new wireless devices.

"Wireless communication devices are increasingly becoming capable of providing a wide-range of functions such computing capabilities, Internet access, electronic mail, text messaging, GPS mapping, digital photographic capability, an audio/MP3 player, video gaming capabilities, video broadcast reception capabilities and the like. However, many of these features and functions are power intensive applications that are characterized by high rates of battery power consumption.

"On top of these, being connected to a WLAN has also an impact on the battery consumption of theses devices. 802.11 MAC WLAN protocol defines only to mode of operation in which the mobile device can operate i.e. Active Mode (AM) or Power Saving Mode (Power Saving Mode). In current implementations, when in sleep state, the wireless device wakes up in regular time intervals to read system information which is broadcasted by the network. This is because the mobile device is unable to determine the destination of the packet until it receives it. Further to this, the mobile host also has to perform a handover at every Access Point cell boundary in order to maintain association with the Access Point."

In addition to obtaining background information on this patent, VerticalNews editors also obtained the inventor's summary information for this patent: "It is an object of the present invention to provide a method to extend the battery life of a mobile wireless device. The objection is achieved by means of an Intelligent Wakeup Service which provides a method for the user to specify the wake-up condition of the device at the application layer so that the mobile device will remain in Power Saving Mode (Power Saving Mode) until the user specified conditions are met."

For more information, see this patent: Choong, Khong Neng. Method for Extending Battery Life in a Wireless Device. U.S. Patent Number 8811248, filed September 18, 2009, and published online on August 19, 2014. Patent URL:

Keywords for this news article include: Mimos Berhad.

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Source: Journal of Engineering

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