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Device discovery method and terminal

A device discovery and terminal technology, applied in the field of communication, can solve problems such as terminal power consumption waste, and achieve the effect of reducing power consumption waste

Inactive Publication Date: 2014-07-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When a terminal in the system needs a certain type of business service, it needs to monitor all device discovery signals on time-frequency resources, including useful and useless signals, in order to find a terminal that provides the type of business service it needs, so as to further communicate with the terminal Establish a direct connection, so that the terminal has a serious waste of power consumption

Method used

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  • Device discovery method and terminal
  • Device discovery method and terminal
  • Device discovery method and terminal

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Embodiment Construction

[0049] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0050] like figure 1 As shown in FIG. 1 , it is a schematic flow chart of Embodiment 1 of the device discovery method provided by the present invention. As shown in the figure, the method described in the first embodiment includes:

[0051] Step 101, the terminal acquires the correspondence between business service types and resource blocks.

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Abstract

Provided are a device discovery method and terminal, the method comprising: acquiring a corresponding relationship between a service type and a resource block; acquiring, according to the corresponding relationship between the service type and the resource block, a first resource block corresponding to a service type to which a required service belongs; and monitoring a device discovery signal broadcasted on the first resource block, the device discovery signal broadcasted on the first resource block being broadcasted on the first resource block by a terminal providing the service of said service type.

Description

technical field [0001] The present invention relates to communication technology, in particular to a device discovery method and a terminal. Background technique [0002] With the continuous development of communication technologies, most of the current mobile device terminals use various wireless technologies such as Bluetooth and WI-FI. The application of these technologies makes operators realize that direct device-to-device (Device-to-Device, D2D) communication between mobile devices will become hot in the future. One of the key technologies of D2D communication is device discovery. The so-called device discovery means that a device needs to discover other surrounding devices, and at the same time let the surrounding devices discover the existence status of the device. [0003] Qualcomm's D2D (or Flash LinQ) system is a communication system that combines synchronization technology and OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W52/02
CPCH04W48/16H04W8/005Y02D30/70
Inventor 孙迎花周晗
Owner HUAWEI TECH CO LTD
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