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D2D data transmission-timing advance for idle mode UE

A technology for sending timing and data, applied in connection management, wireless communication, synchronization devices, etc., which can solve problems such as SNR degradation and negative impact on decryption performance

Inactive Publication Date: 2017-04-26
PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The resulting interference also negatively impacts decryption performance and causes SNR degradation

Method used

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  • D2D data transmission-timing advance for idle mode UE
  • D2D data transmission-timing advance for idle mode UE
  • D2D data transmission-timing advance for idle mode UE

Examples

Experimental program
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Embodiment Construction

[0281] The following paragraphs will describe various exemplary embodiments. For exemplary purposes only, an overview of radio access methods according to the 3GPP LTE (Release 8 / 9) and LTE-A (Release 10 / 11 / 12) mobile communication systems discussed in the background section above Some examples. It should be noted that the exemplary embodiment can be advantageously used in a mobile communication system such as the 3GPP LTE-A (Release 10 / 11 / 12) communication system as described in the background section above, but the exemplary embodiment is not limited to Their use in this particular exemplary communication network.

[0282] The term "direct link" used in the claims and the description should be understood as a communication link (communication channel) between two D2D user equipment, which makes it possible to directly exchange data without involving a network. In other words, a communication channel is established between two user equipments in a communication system, which a...

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Abstract

The present invention relates to a transmitting terminal for transmitting data to a receiving terminal over a direct link connection. The transmitting terminal comprises a receiving unit that receives from at least one neighboring terminal direct link timing information generated at the respective neighboring UE for determining the timing of the data transmission over the direct link. A generating unit generates derived direct link timing information based on the received direct link timing and which can be used for generating a derived direct link transmission timing value for determining the timing of the data transmission over the direct link. A transmitting unit transmits to the receiving terminal the derived direct link timing information.

Description

Technical field [0001] The present invention relates to a device and method for determining the transmission timing of direct link data transmission in a D2D communication system. Specifically, the present invention also relates to a user equipment capable of operating in a device-to-device communication system and capable of executing the method of the present invention. Background technique [0002] Long Term Evolution (LTE) [0003] The third generation mobile system (3G) based on WCDMA radio access technology is being widely deployed all over the world. The first step to enhance or evolve this technology requires the introduction of high-speed downlink packet access (HSDPA) and enhanced uplink (also known as high-speed uplink packet access (HSUPA)), which makes radio access technology capable of Very competitive. [0004] In order to prepare for further user needs and to make it competitive with new radio access technologies, 3GPP has introduced a new mobile communication syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W56/00
CPCH04W56/00H04W56/0015H04W56/0025H04W56/0045H04W76/14
Inventor P.巴苏马利克J.勒尔M.艾恩豪斯S.冯
Owner PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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