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Communication apparatus and ID packet recognition method thereof

A communication device and channel technology, applied in sustainable communication technology, transmission system, energy reduction and other directions, can solve the problems of bluetooth device power consumption, large battery power consumption, etc.

Active Publication Date: 2011-10-19
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, when in standby mode, the Bluetooth device will consume power due to call scan and inquiry scan
When the bluetooth device is not connected, it will consume a lot of battery power, which is not advisable

Method used

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  • Communication apparatus and ID packet recognition method thereof
  • Communication apparatus and ID packet recognition method thereof
  • Communication apparatus and ID packet recognition method thereof

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Embodiment Construction

[0020] Certain terms are used in the description and claims to refer to particular elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. The "comprising" mentioned in the description and the claims is an open term, therefore, it should be interpreted as "including but not limited to". Furthermore, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0021] According to the Bluetooth specification, when...

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Abstract

A communication apparatus and an ID packet recognition method thereof are provided. The communication apparatus includes an RF module, a down converter coupled to the RF module and a detector coupled to the down converter. The RF module receives an RF signal. The down converter down converts the RF signal in response to a channel select signal to generate a converted signal, wherein the channel select signal controls the down converter to alternately sweep a plurality of scan trains during a scan frame, and each of the scan trains comprises a plurality of channels. The power detector determines whether the RF signal comprises an ID packet according to the converted signal corresponding to the channels of the plurality of scan trains. The communication apparatus and the ID packet recognition method thereof can execute call scanning or inquiry scanning in a relatively quick way by executing a rapid scanning process and thus reduce power consumption.

Description

technical field [0001] The present invention relates to communication devices, and more particularly to communication devices and methods for identifying identification (ID) packets contained in radio frequency (radio frequency (RF) signals. Background technique [0002] Bluetooth wireless technology is a short-range communication technology that can replace wired cables to connect mobile and / or fixed communication devices while maintaining a high level of security. The main features of Bluetooth technology are robustness, low power, and low cost. The Bluetooth specification defines a unified structure to enable many devices to connect and communicate with each other. [0003] All Bluetooth devices default to standby mode. In standby mode, unconnected devices periodically listen for messages. The above procedure is called scanning, which can be divided into two types: page scan and inquiry scan. Call scanning is defined as a connected sub-state in which the device listen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/00H04B5/00H04B17/29
CPCY02D30/70
Inventor 陈元曾鼎哲简文盈万纬伦苏维堃许宏凯
Owner MEDIATEK INC
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