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Method and apparatus for reduced power consumption when operating as a bluetooth low energy device

A Bluetooth low energy, device technology, applied in power management, energy reduction, advanced technology, etc., can solve problems such as timing inaccuracy

Inactive Publication Date: 2012-05-23
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to timing inaccuracies on the transmitter and / or receiver, the slave may have to start the receiver at a time prior to the normal reception time for packets from the master

Method used

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  • Method and apparatus for reduced power consumption when operating as a bluetooth low energy device
  • Method and apparatus for reduced power consumption when operating as a bluetooth low energy device
  • Method and apparatus for reduced power consumption when operating as a bluetooth low energy device

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Embodiment Construction

[0062] figure 1 Some BLE exemplary message structures are shown. Exemplary message structures are described in more detail in the Background section of this specification.

[0063] While an effort has been made in the foregoing specification to draw attention to those features of the invention which are considered to be of particular importance, it should be understood that applicants claim protection for any of the above mentioned and / or shown in the accompanying drawings. patentable features or combinations of features, whether or not they are specifically emphasized.

[0064] By referring to the attached Figures 2 to 15 , an exemplary embodiment of the invention and its potential advantages can be appreciated.

[0065] figure 2 An exemplary embodiment is shown of the timing relationship of master and slave receive and transmit slots. Starting from the master line, this exemplary embodiment shows the master sending messages as short bursts (201), such as requests for ...

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Abstract

An apparatus, a method and a computer program product is disclosed for a Bluetooth communication transceiver. The Bluetooth communication transceiver is configured as a Bluetooth low energy device performing timing measurements which are to be used for power saving. Based at least in part on the timing measurements, receive activation timings of the Bluetooth communication transceiver are adjusted. Further, a sleep clock of the apparatus may be used for calibration of the receive activation timings.

Description

technical field [0001] The present invention generally relates to the technical field of bluetooth communication, and more precisely, to bluetooth low energy equipment (BLE). Background technique [0002] The BLE specification (version 0.9) is available from the Bluetooth Special Interest Group (BT SIG) website at http: / / www.bluetooth.com / Bluetooth / SIG / . [0003] Bluetooth Low Energy (BLE) technology targets devices that require low power consumption, such as devices that run on one or more coin cells, such as sensors, smart key fobs, and so on. As this technology has taken hold in the market, it is expected that such batteries should last more than a year, for example when the device is operating in slave mode as defined in the BLE specification. [0004] This BLE specification has some states and roles for devices, as follows: [0005] ● Notification status [0006] - discoverable / connectable / broadcast [0007] ●Scan status [0008] - Active or passive scanning [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/16H04W52/02
CPCH04W52/0229Y02B60/50H04W84/20Y02D30/70
Inventor K·凯劳伊J·登特
Owner NOKIA TECHNOLOGLES OY
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