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Message receiving method and terminal

A message receiving and message technology, applied in the field of communication, can solve problems such as long access delay and complicated process, and achieve the effect of improving the quality of random access

Active Publication Date: 2019-07-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the UE may switch different uplink transmit beams (TX beam) to send MSG1, that is, the preamble message, and the base station may also use different downlink TX beams to send the corresponding MSG2 message, so that the UE may receive multiple MSG2 messages, and only select the most The best communication quality can be obtained only by the optimal sending beam or receiving beam, which makes the random access process more complicated and the access delay longer

Method used

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  • Message receiving method and terminal

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Embodiment Construction

[0037] The embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. It should be understood that the technical solution of the present application can be specifically applied to various communication systems using beamforming technology, such as a 5G system, which can also be called a New Radio (NR) system, or can be applied in the future Other communication systems using beamforming technology, etc., are not limited in this application.

[0038] In this application, a network device may refer to an entity used to send or receive information in wireless communication, such as a base station, or a transmission point (abbreviation: TP), a transmission and receiver Point, abbreviation: TRP), relay equipment, or other network equipment with base station functions, etc., are not limited in this application.

[0039] In this application, a terminal is a device with a communication function, which may inclu...

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PUM

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Abstract

The invention discloses a message receiving method and a terminal. The method comprises the following steps: sending a random access preamble to network equipment on at least one sending beam; monitoring at least one random access response message sent by the network equipment by using at least one sending beam on each receiving beam of at least one receiving beam, wherein the monitoring operationis stopped until a target random access response message meeting a preset condition is received on a target receiving beam, and the monitoring operation is stopped after the target random access response message is received; and in response to the target random access response message, finishing a subsequent random access process by using the target receiving beam. By adopting the method and thedevice, selection of the random access response message based on the beam forming in the random access process is facilitated, and the random access quality is improved.

Description

Technical field [0001] This application relates to the field of communication technology, and in particular to a method and terminal for receiving messages. Background technique [0002] A random access (random access) process is an important process of a wireless communication system. User Equipment (User Equipment, abbreviation: UE) can establish a connection with a base station and obtain uplink synchronization through a random access process, and then communicate with the base station. The random access process is as follows: the UE sends a random access preamble (preamble), namely MSG1 message, to the base station; after receiving the preamble, the base station sends a random access response (random access response, abbreviation: RAR) message to the UE, namely MSG2 Message; the UE monitors the Physical Downlink Control Channel (Physical Downlink ControlChannel, abbreviation: PDCCH) within the RAR time window. If the UE’s MSG2 message is not received within the RAR time windo...

Claims

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Application Information

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IPC IPC(8): H04W74/08H04B7/06
CPCH04B7/0617H04W74/0833H04B7/06H04W74/08
Inventor 史海波吴翔
Owner HUAWEI TECH CO LTD
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