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Multiplexing of physical sidelink control channel (PSCCH) and physical sidelink shared channel (PSSCH)

A technology of link control channel and link shared channel, which is applied in the directions of transmission path sub-channel allocation, transmission path separation device, wireless communication, etc.

Active Publication Date: 2020-04-17
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, certain NR V2X use cases require sub-3 ms end-to-end latency with 99.999% reliability

Method used

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  • Multiplexing of physical sidelink control channel (PSCCH) and physical sidelink shared channel (PSSCH)
  • Multiplexing of physical sidelink control channel (PSCCH) and physical sidelink shared channel (PSSCH)
  • Multiplexing of physical sidelink control channel (PSCCH) and physical sidelink shared channel (PSSCH)

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Embodiment Construction

[0022] In the ensuing description, numerous specific details will be addressed. However, it is understood that embodiments of the invention may be practiced without the specific details described above. In other instances, common circuits, structures and techniques have not been shown in detail in order not to obscure the understanding of this description. However, it will be understood by those skilled in the art that the present invention may be practiced without the specific details described above. Those skilled in the art will be able to perform appropriate functions based on this description without undue explanation.

[0023] In a V2X wireless communication system, a user equipment (UE) can directly communicate with another UE through a sidelink channel without using a base station as an intermediary. The sidelink channels may include a physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) and a physical sidelink shared channel (Physical Sidelin...

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Abstract

Sidelink vehicle-to-everything (V2X) transmission is performed over a Physical Sidelink Control Channel (PSCCH) and a Physical Sidelink Shared Channel (PSSCH). Encoded control information is transmitted in the PSCCH and encoded data is transmitted in the PSSCH. The PSCCH uses a first portion of the time-and-frequency resources, and the PSSCH uses and a second portion of the time-and-frequency resources. A first part of the PSSCH uses a first set of time resources overlapping with the PSCCH and a first set of frequency resources non-overlapping with the PSCCH. A second part of the PSSCH uses asecond set of time resources non-overlapping with the PSCCH and a second set of frequency resources overlapping with the PSCCH.

Description

[0001] cross reference [0002] This application claims priority to U.S. Provisional Patent Application No. 62 / 717,123 filed August 10, 2018. The aforementioned US Provisional Patent Application is hereby incorporated by reference. technical field [0003] The present invention relates to wireless communications. In particular, the present invention relates to wireless communication between two user equipments (UEs). Background technique [0004] 5G New Radio (New Radio, NR) is a telecommunications standard for mobile broadband communications. 5G NR is released by the 3rd Generation Partnership Project (3GPP) to significantly improve performance metrics such as latency, reliability, throughput, etc. [0005] Vehicle-to-Everything (V2X) communication has the potential to modernize vehicle mobile communication and significantly reduce the number of vehicle accidents and fatalities. Additionally, V2X technology can improve traffic management as well as the safety of autono...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W92/18
CPCH04W72/02H04W92/18H04W88/04H04L5/0044H04L5/0048H04L5/0007H04L5/0053H04W4/40H04W72/044
Inventor 王荐一陈儒雅
Owner MEDIATEK INC