Random access method, device and equipment

A technology of random access and random access preamble, which is applied in the field of communication to achieve the effect of improving user experience, ensuring effectiveness, and shortening random access delay

Active Publication Date: 2019-05-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Since the time when the terminal initiates random access and the location of the terminal are random, additional random access delay will be introduced due to beam polling

Method used

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  • Random access method, device and equipment
  • Random access method, device and equipment
  • Random access method, device and equipment

Examples

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Embodiment Construction

[0131] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0132] The terms "first", "second", "third" and the like in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or devices.

[0133] See figure 1 , figure 1 It is a schematic diagram of a random access system network architecture provided by an embo...

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PUM

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Abstract

The embodiment of the invention provides a random access method, device and equipment. The method comprises the following steps: under the condition that at least one target receiving beam is determined according to priori information, adjusting a scanning parameter of the receiving beam; And scanning the receiving beam according to the adjusted scanning parameters. Wherein the priori informationcomprises cell history information and / or cell switching information; Wherein the scanning parameters comprise at least one of the following parameters: a scanning frequency, a scanning sequence, a beam direction and a beam width; Wherein the receiving beam comprises at least one target receiving beam; Wherein the receiving beam is used for receiving the random access preamble sent by the terminal, so that the terminal randomly accesses the base station for data communication after the base station receives the random access preamble sent by the terminal on the receiving beam. The scanning parameter of the receiving beam can be adjusted according to the cell history information and / or the cell switching information, the random access time delay introduced due to beam scanning is shortened,and the user experience is improved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a random access method, device and equipment. Background technique [0002] In the wireless communication system (the wireless communication system includes various standards such as 4G, 5G, etc., but not limited to the specific system described above), the terminal needs to establish uplink synchronization, access a cell or apply for uplink scheduling through random access (Random Access) . Methods for terminals to randomly access wireless communication networks can be classified into two types: non-contention-based random access and contention-based random access. In the contention-based random access process, the terminal selects the time-frequency resource by itself and sends an access request message to the base station. [0003] The contention-based random access process in the prior art such as figure 1 As shown, there are four steps: [0004] 1. The terminal sends a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08H04W24/08H04W72/04
CPCH04B7/088H04W24/02H04W74/0833
Inventor 朱鹏涂靖
Owner HUAWEI TECH CO LTD
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