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Synchronization procedure and resource control method and apparatus for communication in d2d system

A technology of resources and synchronization signals, applied in the directions of synchronization devices, wireless communication, electrical components, etc., to achieve the effect of favorable communication performance, reduced interference, efficient and stable synchronization

Active Publication Date: 2017-05-17
SAMSUNG ELECTRONICS CO LTD
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  • 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 procedure and resource control method and apparatus for communication in d2d system
  • Synchronization procedure and resource control method and apparatus for communication in d2d system

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Embodiment Construction

[0055] The following description with reference to the accompanying drawings is provided to help a comprehensive understanding of various embodiments of the present disclosure as defined by the claims and their equivalents. It includes various specific details to help this understanding, but these will be considered only exemplary. Therefore, 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 present disclosure. In addition, descriptions of well-known functions and configurations may be omitted for clarity and conciseness.

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

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Abstract

The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data rate in comparison to the 4G communication system, such as long term evolution (LTE). A method for a terminal to establish synchronization with another terminal in a network supporting device-to-device (D2D) communication is provided. The method includes scanning, at the terminal, for synchronization signals from at least one base station, acquiring, if a synchronization signal is received from a base station, synchronization with the base station based on the synchronization signal, measuring power of the synchronization signal received from the base station, and transmitting, when data to be transmitted are generated in idle mode and the received signal power is less than a received signal power, a synchronization signal as a synchronization relaying 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 terminal's transmission resource structure and resource control technology in D2D discovery and communication. Background technique [0002] In order to meet the increasing demand for wireless data services since the deployment of 4G communication systems, efforts have been made to develop improved 5G or quasi-5G communication systems. Therefore, 5G or quasi-5G communication systems are also called "super 4G networks" or "post-LTE systems." [0003] The 5G communication system is considered to be implemented in a higher frequency (mmWave) frequency band (for example, a 60 GHz 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 input multiple output (M...

Claims

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Application Information

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Patent Type & Authority Applications(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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