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Random access method, terminal and network device

A technology of random access and network equipment, which is applied in the direction of synchronization device, wireless communication, energy consumption reduction, etc., and can solve problems such as time conflicts

Pending Publication Date: 2019-05-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a random access method, terminal and network equipment, which are used to solve the problem that the time when the base station sends a downlink signal may conflict with the time when the terminal sends an uplink random access preamble

Method used

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  • Random access method, terminal and network device
  • Random access method, terminal and network device
  • Random access method, terminal and network device

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Embodiment Construction

[0104] The embodiments of the present application can be applied to wireless communication systems. It should be noted that the wireless communication systems mentioned in the embodiments of the present application include but are not limited to: Narrow Band-Internet of Things (NB-IoT), Global Mobile Communication system (Global System for Mobile Communications, GSM), enhanced data rate for GSM Evolution system (Enhanced Data rate for GSM Evolution, EDGE), wideband code division multiple access system (Wideband Code Division Multiple Access, WCDMA), code division multiple access 2000 system (Code Division Multiple Access, CDMA2000), time division synchronous code division multiple access system (Time Division-Synchronization Code Division Multiple Access, TD-SCDMA), long term evolution system (Long Term Evolution, LTE) and the next generation of 5G mobile communication system three Large application scenarios include Enhanced Mobile Broadband (eMBB), URLLC and Massive Machine-T...

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PUM

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Abstract

The invention provides a random access method, a terminal and a network device, The random access method comprises the steps that a terminal determines an actually available random access resource according to time position information of the random access resource and time position information of a downlink signal actually sent by network equipment, and the actually available random access resource does not coincide with the time position of the actually sent downlink signal; The terminal determines a target random access resource corresponding to the actually sent downlink signal according to the actually available random access resource and the association relationship between the downlink signal and the random access resource; And sending a random access preamble to network equipment by adopting the target random access resource. And the conflict between the actually sent downlink signal and the random access preamble of the uplink sending is avoided.

Description

technical field [0001] The present application relates to the field of wireless communication, and in particular to a random access method, terminal and network equipment. Background technique [0002] In New Radio (NR) technology, the base station sends downlink signals through multiple beams, where the downlink signals can be: downlink synchronization signal block (synchronization / PBCH signal block, SS / PBCH block), downlink synchronization signal block, system information block, the remaining minimum system information, the first system information block NR SIB1, the 0th system information block NRSIB0, semi-statically configured downlink subframes and / or time slots and / or OFDM symbols, reserved downlink signals, downlink demodulation reference Signal (Demodulation Reference Signal, DMRS), downlink channel state information reference signal (Channel state information–reference signal, CSI-RS). Specifically, the base station uses multiple beams to achieve coverage of the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W74/08
CPCH04W56/001H04L5/0053H04L5/0048H04W74/0833H04W72/0446H04L5/0007H04W72/12
Inventor 黄煌颜矛高宽栋
Owner HUAWEI TECH CO LTD