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Method for transmitting sidelink synchronization signal in wireless communication system and terminal using same method

A technology of wireless communication system and synchronous signal, which is applied in the direction of multiple use of transmission path, wireless communication, separation device of transmission path, etc., and can solve problems such as not being optimal

Active Publication Date: 2019-11-15
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this simple operation may not be preferable when using carrier aggregation in V2X communication

Method used

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  • Method for transmitting sidelink synchronization signal in wireless communication system and terminal using same method
  • Method for transmitting sidelink synchronization signal in wireless communication system and terminal using same method
  • Method for transmitting sidelink synchronization signal in wireless communication system and terminal using same method

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0027] figure 1 A wireless communication system is shown.

[0028] For example, a wireless communication system may be called an Evolved UMTS Terrestrial Radio Access Network (E-UTRAN) or a Long Term Evolution (LTE) / LTE-A system.

[0029] The E-UTRAN includes at least one base station (BS) 20 that provides 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.

[0030] 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, to Mobility Management Entity (MME) via S1-MME, a...

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Abstract

Provided are a method for transmitting a sidelink synchronization signal (SLSS) in a wireless communication system and a terminal using the method. The method comprises: receiving SLSS resource configuration information, wherein the SLSS resource configuration information is used to configure the same number of SLSS resources at the same positions in each of the plurality of carriers subjected tocarrier aggregation; receiving SLSS transmission configuration information indicating whether the SLSS is actually transmitted using the SLSS resources in each of the plurality of carriers; and transmitting the SLSS by using the SLSS resources indicated by the SLSS resource configuration information, through at least one carrier among the plurality of carriers determined on the basis of the SLSS transmission configuration information.

Description

technical field [0001] The present invention relates to wireless communication, and more particularly, to a method of transmitting a sidelink synchronization signal in a wireless communication system and a user equipment (UE) using the method. Background technique [0002] There is an increasing interest in device-to-device (D22) technology, where devices perform direct communication. In particular, D2D has been attracting much attention as a communication technology for public safety networks. Public safety networks have higher service requirements (reliability and security) than commercial communication networks. In particular, public safety networks also require direct communication between devices, ie D2D operation, if the coverage of cellular communication is unaffected or unavailable. [0003] D2D operation can have various advantages as it is a communication between nearby devices. For example, a D2D UE has a high transmission rate and low delay, and can perform da...

Claims

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Application Information

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IPC IPC(8): H04W56/00H04W72/04H04W92/18
CPCH04L5/001H04L5/0098H04L67/12H04L69/24H04W56/001H04W92/18H04W76/14
Inventor 李承旻徐翰瞥蔡赫秦
Owner LG ELECTRONICS INC