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V2x communication method of terminal in wireless communication system, and terminal using method

A technology of a wireless communication system and a communication method, applied in the field of wireless communication, capable of solving problems such as cost conflicts

Active Publication Date: 2019-11-12
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commercial communication networks are rapidly changing to LTE, but current public safety networks are largely based on 2G technology in terms of cost and conflict with existing communication standards

Method used

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  • V2x communication method of terminal in wireless communication system, and terminal using method
  • V2x communication method of terminal in wireless communication system, and terminal using method
  • V2x communication method of terminal in wireless communication system, and terminal using method

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Embodiment Construction

[0042] figure 1 A wireless communication system to which the present invention is applied is shown. A wireless communication system may also be referred to as an Evolved UMTS Terrestrial Radio Access Network (E-UTRAN) or a Long Term Evolution (LTE) / LTE-A system, for example.

[0043]The E-UTRAN includes at least one base station (BS) 20 that provides a user equipment (UE) 10 with a control plane and a user plane. The UE 10 may be fixed or mobile, and may be referred to by another term, such as a mobile station (MS), user terminal (UT), subscriber station (SS), mobile terminal (MT), wireless device, and the like. BS 20 is typically a fixed station that communicates with UE 10 and may be referred to by another term such as evolved Node B (eNB), base transceiver system (BTS), access point, and so on.

[0044] The BSs 20 are connected to each other by means of the X2 interface. BS 20 is also connected to Evolved Packet Core (EPC) 30 by means of S1 interface, more specifically, ...

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Abstract

The present invention provides a V2X communication method of a terminal in a wireless communication system and a terminal using the method. The method comprises the steps of: receiving at least one DCI of a first DCI based on a first TTI and a second DCI based on a second TTI, from a base station through a PDCCH; and, based on the at least one DCI, performing V2X communication by using one of themethods of transmission based on the first TTI and transmission based on the second TTI, wherein the first TTI is shorter than the second TTI, a first RNTI configured for the first DCI is different from a second RNTI configured for the second DCI, and which one between the first TTI-based transmission and the second TTI-based transmission is accepted is determined based on one of the first RNTI and the second RNTI.

Description

technical field [0001] The present disclosure relates to wireless communication, and more particularly, to a V2X communication method of a terminal in a wireless communication system and a terminal using the method. Background technique [0002] The International Telecommunication Union Radiocommunication Sector (ITU-R) is working on the standardization of International Mobile Telecommunications (IMT)-Advanced, which is a next-generation mobile communication system beyond the third generation. IMT-Advanced aims to support Internet Protocol (IP) based multimedia services at data rates of 1 Gbps in static and slow motion and 100 Mbps in high speed. [0003] The 3rd Generation Partnership Project (3GPP) is preparing LTE-Advanced (LTE-A), which is a long-term evolution ( LTE) as a system standard meeting IMT-improved requirements. LTE-A is one of the potential candidates for IMT-Advanced. [0004] Recently, interest in device-to-device (D2D) technology for direct communicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/12
CPCH04L5/0053H04L5/0032H04L5/0082H04L5/0023H04L5/0012H04L5/0092H04L27/2602H04W72/23H04W72/20H04W72/51H04W4/40H04W72/0446
Inventor 李承旻
Owner LG ELECTRONICS INC