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Method and apparatus for synchronization

A technology of synchronizing sequences and synchronizing signals, applied in the field of equipment and computer programs, beam scanning, and can solve problems such as unsolved problems

Active Publication Date: 2021-01-08
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, the known references do not address the joint problem of the AN using beamforming to send synchronization signals, the mobile terminal detecting these signals and sending system access requests such as RACH requests, and the AN detecting these attempts from the terminal

Method used

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  • Method and apparatus for synchronization

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Embodiment Construction

[0051] Aspects of the present disclosure will be described more fully hereinafter with reference to the accompanying drawings. However, the apparatus and methods disclosed herein may be embodied in many different forms and should not be construed as limited to the aspects set forth herein. Like numbers refer to like elements throughout the drawings.

[0052] The terminology used herein is for the purpose of describing particular aspects of the disclosure only and is not intended to be limiting of the disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise.

[0053] Access node AN, wireless network node and network node are used interchangeably throughout this disclosure.

[0054] A synchronization signal is a predefined signal that allows a receiving device to align in time and / or frequency (its master clock) with a transmitting device, i.e. to know where the time bound...

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Abstract

This disclosure relates to sending synchronization signals and in particular to so-called beam scanning. In particular, the present disclosure relates to methods of providing synchronization using synchronization sequences sent at different points in time. The present disclosure also relates to corresponding devices and computer programs. A method in a network node for transmitting synchronization sequences of synchronization signals to one or more receiving wireless devices comprises determining a plurality of synchronization sequences such that each synchronization sequence comprises a corresponding timing indication, whereby each synchronization sequence can A time is determined to receive an event in a wireless device and a synchronization sequence is sent to one or more wireless devices at different points in time.

Description

technical field [0001] This disclosure relates to sending synchronization signals and in particular to so-called beam sweeps. In particular, the present disclosure relates to methods for providing synchronization using synchronization sequences sent at different points in time. The present disclosure also relates to corresponding devices and computer programs. Background technique [0002] The 3rd Generation Partnership Project 3GPP is responsible for the standardization of Universal Mobile Telecommunications System UMTS and Long Term Evolution LTE. The 3GPP work on LTE is also known as Evolved Universal Terrestrial Access Network E-UTRAN. LTE is a technology for realizing high-speed packet-based communication, which can achieve high data rates in both downlink and uplink, and is considered to be a next-generation mobile communication system relative to UMTS. To support high data rates, LTE allows a system bandwidth of 20MHz, or up to 100MHz, when carrier aggregation is e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W56/00H04W72/00
CPCH04W56/0015H04W72/0446
Inventor J·阿克斯奈斯D·胡伊K·巴拉钱德兰H·萨林J·鲁内I·L·J·达席尔瓦A·雷亚尔
Owner TELEFON AB LM ERICSSON (PUBL)