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PDCCH determination method and device, synchronization signal detection and sending method and device, storage medium, terminal and base station

A technology of synchronization signal and determination method, which is applied in the direction of synchronization device, transmission path separation device, wireless communication, etc., to achieve the effects of reducing time-frequency resources, saving power consumption, and solving compatibility problems

Active Publication Date: 2020-02-21
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is how to use the synchronization signal to determine the timing of PDCCH monitoring, so as to reduce the complexity of PDCCH blind detection, reduce terminal power consumption, and improve user experience

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  • PDCCH determination method and device, synchronization signal detection and sending method and device, storage medium, terminal and base station
  • PDCCH determination method and device, synchronization signal detection and sending method and device, storage medium, terminal and base station
  • PDCCH determination method and device, synchronization signal detection and sending method and device, storage medium, terminal and base station

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Embodiment Construction

[0043] As mentioned in the background, in the prior art, there is no technical solution for determining the PDCCH monitoring opportunity by using the synchronization signal.

[0044] Specifically, in the NR system, synchronization signals and broadcast channel signals are sent in the form of Synchronization Signal and physical broadcast channel Block (SSB), and the 5G system also introduces beam sweeping (beam sweeping, Also known as beam scanning) and other functions. Each synchronization signal block can be regarded as a resource corresponding to a beam in the beam scanning process. The synchronization signal block includes a primary synchronization signal (Primary Synchronization Signal, PSS for short), a secondary synchronization signal (Secondary Synchronization Signal, SSS for short), and a physical broadcast channel (Physical Broadcast Channel, PBCH for short) signal. Multiple synchronization signal blocks form a synchronization signal burst. The synchronization signa...

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Abstract

Provided are a PDCCH determination method and device, a synchronization signal detection and sending method and device, a storage medium, a terminal and a base station. The PDCCH determination methodcomprises the steps: detecting a synchronization signal sent by a network after awakening to re-implement network synchronization, the synchronization signal having a preset association relationship with a PDCCH monitoring opportunity; and determining the PDCCH monitoring time according to the preset association relationship, and detecting the PDCCH at the PDCCH monitoring time. Through the technical scheme of the invention, the UE can be effectively prevented from blindly detecting the PDCCH, and the power consumption is saved, and the blind detection complexity is reduced, and the user experience is improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a PDCCH determination, synchronization signal detection and transmission method and device, a storage medium, a terminal, and a base station. Background technique [0002] The fifth-generation mobile communications (The Fifth-Generation mobile communications, referred to as 5G) new radio (New Radio, referred to as NR, also known as new air interface) system will be deployed in the future. In an NR system, in order to save power consumption of a user equipment (User Equipment, UE for short), the UE may enter a sleep state. [0003] In practical application, in order to save power, the UE in sleep state may not receive network paging or other messages. The network may send a paging message to the UE after waking up, so as to restore the communication between the network and the UE. However, since the UE in the sleeping state may lose synchronization with th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04L27/26H04W56/00
CPCH04L5/0007H04L5/0053H04L27/2662H04W56/001Y02D30/70
Inventor 周化雨徐志昆高兴航黄甦周欢
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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