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Method for managing the power in the wireless network

A wireless network and power technology, applied in the field of wireless networks, can solve the problems of reducing wireless network communication efficiency and power consumption, and achieve the effects of power saving, smooth power mode conversion, and fast reception

Active Publication Date: 2010-03-31
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] If a device building a wireless network consumes the same amount of power when it stops wireless communication as when it is communicating, it consumes power for no reason and reduces the efficiency of wireless network communication

Method used

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  • Method for managing the power in the wireless network
  • Method for managing the power in the wireless network
  • Method for managing the power in the wireless network

Examples

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Embodiment Construction

[0041] Hereinafter, the structure, operation and other features of the present invention will become readily understood by referring to preferred examples of the present invention, examples of which are shown in the accompanying drawings.

[0042] First, the present invention provides a method for controlling the power to be consumed by considering the operating status of devices in a wireless network. For power management of the device, power modes are defined according to the operating state of the device. The power mode of the device includes normal mode and energy saving mode.

[0043] If no data is transmitted / received or communication is interrupted during communication in the normal mode, the device can enter the power saving mode from the normal mode. If the normal mode is maintained without data being transmitted / received, corresponding power is consumed unnecessarily. Therefore, by defining power-saving modes, power can be controlled.

[0044] The normal mode may ...

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Abstract

Disclosed are methods for managing a power in a wireless network communication. One of the methods provides checking whether information on a request for a mode change is received for a prescribed channel time in a manner that a device configuring a network enters a power save mode in the course of not performing data transmission / reception and that a modem enters an awake state from a sleep statefor the prescribed channel time. And, the prescribed channel time is determined to correspond to a time for transmitting a beacon. According to a preferred embodiment, a modem of a device in a powersave mode enters an awake state for a channel time period for broadcasting a beacon and then checks whether information on a power management mode change is received. If the information does not exist, a sleep state is reentered. If the power management mode change (PMMC) information is received, a power is managed by performing data transmission / reception in a manner of switching to a normal mode.

Description

technical field [0001] The present invention relates to a wireless network, in particular to a method for controlling the power of a device communicating through the wireless network. Background technique [0002] Recently, Bluetooth, Wireless Personal Area Network (WPAN), and similar technologies have been developed to perform inter-device audio by using a wireless network between a relatively small number of digital devices in a limited space, such as a home or a small workplace. or video data exchange. [0003] A WPAN can be used to exchange information between a relatively small number of digital devices within a relatively short distance, and enables low-power and low-cost communication between the digital devices. [0004] Ratified on June 12, 2003, IEEE 802.15.3 (Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for High-Rate Wireless Personal Area Networks) defines the specifications for the MAC and PHY layers of high-rate WPANs . [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/005H04L12/18H04W52/02
CPCH04W52/0235H04L2012/2841H04L12/403H04L12/417H04L2012/2849H04L12/12Y02B60/50H04W68/02Y02D30/70
Inventor 全范镇赵显哲金泽秀
Owner LG ELECTRONICS INC
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