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Synchronization process and resource control method and device for communication in d2d system

A synchronization signal and control unit technology, applied in the direction of synchronization devices, wireless communications, electrical components, etc., to achieve efficient and stable synchronization, favorable communication performance, and reduce interference

Active Publication Date: 2021-04-23
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The biggest challenge of D2D broadcast communication is to support reliable and seamless D2D communication with high link quality in the absence of eNB

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  • Synchronization process and resource control method and device for communication in d2d system
  • Synchronization process and resource control method and device for communication in d2d system
  • Synchronization process and resource control method and device for communication in d2d system

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Embodiment Construction

[0055] The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of various embodiments of the present disclosure as defined by the claims and their equivalents. It includes various specific details to aid in that understanding, but these are to be regarded as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the disclosure. Also, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

[0056] The terms and words used in the following description and claims are not limited to the bibliographical meanings, but, are merely used by the inventor to enable a clear and consistent understanding of the present disclosure. Accordingly, it should be apparent to those skilled in the art that the following de...

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Abstract

The present disclosure relates to a fifth generation (5G) or quasi-5G communication system for supporting higher data rates than 4G communication systems such as Long Term Evolution (LTE). Provided is a method for a terminal to establish synchronization with another terminal in a network supporting device-to-device (D2D) communication. The method includes: scanning at the terminal for a synchronization signal from at least one base station; acquiring synchronization with the base station based on the synchronization signal, if a synchronization signal is received from the base station; measuring the synchronization signal received from the base station The power of the synchronization signal; and when the data to be sent is generated in the idle mode and the received signal power is less than the received signal power, the synchronization signal is sent as a synchronous relay terminal.

Description

technical field [0001] The present disclosure relates to a synchronization method including a synchronization resource structure and a synchronization process for device-to-device (D2D) communication, and a transmission resource structure and resource control technology of a terminal in D2D discovery and communication. Background technique [0002] In order to meet the demand for wireless data services that have been increasing since the deployment of the 4G communication system, efforts have been made to develop an improved 5G or quasi-5G communication system. Therefore, 5G or quasi-5G communication system is also called "super 4G network" or "post-LTE system". [0003] The 5G communication system is considered to be implemented in a higher frequency (mmWave) frequency band (for example, a 60GHz frequency band) in order to achieve a higher data rate. In order to reduce the propagation loss of radio waves and increase the transmission distance, beamforming, massive multiple...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W56/00
CPCH04W56/001
Inventor 朴承勋柳贤锡薛鹏林治雨崔相元
Owner SAMSUNG ELECTRONICS CO LTD
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