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Method to reduce power consumption in a radio communication system and apparatus therefor

A radio system and radio technology, applied in wireless communication, telephone communication, radio/inductive link selection arrangement, etc., can solve problems such as inability to receive beacon signals

Inactive Publication Date: 2005-07-13
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

exist figure 1 In the case of , the slave station is out of the radio range of the master station and therefore cannot receive beacon signals on C

Method used

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  • Method to reduce power consumption in a radio communication system and apparatus therefor
  • Method to reduce power consumption in a radio communication system and apparatus therefor
  • Method to reduce power consumption in a radio communication system and apparatus therefor

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Embodiment Construction

[0021] Referring to Fig. 2, a first radio network comprising a first master station 10 and slave stations 12, 14, 16 and a second radio network comprising a second master station 20 and slave stations 22, 24, 26 are shown. The first master station 10 can communicate directly with the slave stations 12 , 14 , 16 and the slave stations 12 , 14 and 16 can communicate with each other by means of messages transmitted by the first master station 10 . Similarly, the second master station 20 can communicate directly with the slave stations 22 , 24 , 26 and the slave stations 22 , 24 and 26 can communicate with each other by means of messages transmitted by the second master station 20 . In Fig. 2, the master station 10, 20 is marked M and the slave stations 12, 14, 16, 22, 24, 26 are marked S. Each master station 10, 20 periodically transmits a beacon signal identifying its respective network. The secondary station 14 is mobile and is receiving a poor quality signal from the first pr...

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PUM

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Abstract

The slave radio station (14) establishes communication with the master radio station (20) by intermittently sending signals (H, J, K), listening for responses (L), and by deactivating its transmitter and receiver at other times. electricity. When the master radio station answers, the slave station can use the beacon signal (B) sent periodically by the master station to synchronize the period of receiver activation and can stop the transmission of intermittent signals.

Description

technical field [0001] The present invention relates to radio networks and devices for radio networks, and more particularly but not exclusively to a network comprising a master radio station and one or more low power slave radio stations. Background technique [0002] A radio network will generally consist of a master radio station and one or more slave radio stations. The slave stations communicate directly with the master radio station and can communicate with each other indirectly by means of messages transmitted via the master station. [0003] In many applications, there is a need to utilize batteries to power slaves, and therefore low power consumption is required to maximize battery life. [0004] In many applications the slaves and possibly the master will be mobile so that the combination of the network is temporary. Therefore, when individual radio stations change positions, there is a requirement to dynamically configure the network, wherein each slave station ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06H04B1/16H04B7/24H04B7/26H04L12/28H04L29/00H04W52/02H04W84/18
CPCH04B1/1615H04W84/18H04W52/0216Y02D30/70H04W24/00H04W56/00
Inventor A·D·萨耶斯
Owner KONINKLIJKE PHILIPS ELECTRONICS NV