Energy saving method in wireless network

Multiplex communications – Communication over free space – Signaling for performing battery saving

Reexamination Certificate

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Details

C455S574000, C455S343200

Reexamination Certificate

active

07995508

ABSTRACT:
Provided is a method of minimizing power consumed by each node in a wireless network when communicating with neighboring nodes.Unlike a conventional synchronous media access control (MAC), the present invention suggests an asynchronous MAC. Thus, the active duration of a node extends only when transmitting a large quantity of data and the extended active duration returns to the minimum active duration again after completing the data transmission.

REFERENCES:
patent: 2007/0264963 (2007-11-01), Srinivasan et al.
patent: 2010/0150043 (2010-06-01), Kim et al.
patent: 2011/0002251 (2011-01-01), Shin et al.
Tae Rim Park et al., “Power Saving Algorithms for IEEE 802.15.5”, Jul. 2007.
Tae Rim Park et al., “Energy Saving protocol for Mesh networks”, Sep. 2007.
Yuen Hui Chee, et al., “Ultra Low Power Transmitters for Wireless Sensor Networks”, May 15, 2006; Electrical Engineering and Computer Sciences University of California at Berkeley; pp. 1-128.
Joseph Polastre, et al., “Versatile Low Power Media Access for Wireless Sensor Networks”, Nov. 3-5, 2004, pp. 1-13.

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