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Device and method for sending and receiving data between terminals in a near field communication system according to connection priority

A near-field communication and terminal receiving technology, applied in the field of communication systems, can solve problems such as communication conflicts, and achieve the effects of increasing throughput, improving spectral efficiency, and improving fairness

Inactive Publication Date: 2018-01-26
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this case, if a connection uses the same frequency band as its neighbor, the connection's communication may conflict with the neighbor's communication

Method used

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  • Device and method for sending and receiving data between terminals in a near field communication system according to connection priority
  • Device and method for sending and receiving data between terminals in a near field communication system according to connection priority
  • Device and method for sending and receiving data between terminals in a near field communication system according to connection priority

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Embodiment Construction

[0029] The following description with reference to the accompanying drawings is provided to help a comprehensive understanding of exemplary embodiments of the present invention defined by the claims and their equivalents. The following description includes various specific details to help understanding, but these specific details should be regarded as merely exemplary. Therefore, those of ordinary skill in the art will recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present invention. In addition, for clarity and brevity, descriptions of well-known functions and configurations may be omitted.

[0030] The terms and vocabulary used in the following description and claims are not limited to the philological meaning, and the inventors use these terms and vocabulary only to enable a clear and consistent understanding of the invention. Therefore, it should be clear to those skilled in ...

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Abstract

A method for transmitting and receiving data according to connection priority between terminals in a Near Field Communication (NFC) system is provided. The method includes: if there is data to transmit, determining a proportional fairness (PF) value for determining a connection priority of a first connection established for direct communication between the first terminal and the second terminal; sending the determined PF value to the second terminal to request data transmission over the first connection; and sending data to the second terminal if information authorizing data transmission over the first connection is received from the second terminal.

Description

Technical field [0001] The invention relates to a communication system. More specifically, the present invention relates to an apparatus and method for transmitting and receiving data according to connection priority between terminals in a near field communication system that performs direct communication between devices. Background technique [0002] Near Field Communication (NFC) is a technology used for very short-range wireless communication. NFC may include device-to-device communication or Ad-hoc communication that performs direct communication between devices without a repeater. [0003] In an NFC network with multiple connections for terminals that can attempt direct communication between terminals, the multiple connections may occasionally attempt data transmission at the same time. In this case, if a connection uses the same frequency band as its adjacent connection, the communication of the connection may conflict with the communication of the adjacent connection. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/24H04W92/18H04W74/08H04B5/02
CPCH04W84/18H04W72/54H04B7/24H04W92/18H04W74/08H04W72/12H04W84/10
Inventor 黄必龙权种炯
Owner SAMSUNG ELECTRONICS CO LTD
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