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Wireless communication method, device and system

A technology of wireless communication and wireless access, applied in the field of communication

Active Publication Date: 2018-10-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, NR-LTE coexistence is still only a research framework, and specific technical solutions still need further exploration and research

Method used

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  • Wireless communication method, device and system
  • Wireless communication method, device and system
  • Wireless communication method, device and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0176] The time domain resources occupied by the radio access preambles indicated by the multiple system messages are different.

[0177] For example, the time-domain resource occupied by the radio access preamble indicated by the system information on DL 1 is subframe No. 1 or subframe No. 3, and the occupation of the radio access preamble indicated by the system information on DL 2 The time domain resource of is No. 2 subframe and No. 4 subframe. If the base station detects a radio access preamble on subframe No. 1 or subframe No. 3 of UL 1, it only needs to send a radio access response message on DL1. If the base station detects a radio access preamble on subframe No. 2 or subframe No. 4 of UL 1, it only needs to send a radio access response message on DL 2 .

Embodiment 2

[0179] The frequency domain resources occupied by the radio access preambles indicated by the multiple system messages are different.

[0180] For example, the frequency domain resource occupied by the radio access preamble indicated by the system information on DL 1 is resource block (resource block, RB) No. 1 to No. 6, and the occupation of the radio access preamble indicated by the system information on DL 2 The frequency-domain resources of RB are RBs 11-16. If the base station detects a radio access preamble on RBs 1 to 6 of UL 1, it only needs to send a radio access response message on DL 1 . If the base station detects a radio access preamble on RBs 11-16 of UL 1, it only needs to send a radio access response message on DL 2 .

Embodiment 3

[0182] The radio access preamble sets to which the radio access preambles indicated by the multiple system messages belong are different.

[0183] For example, the radio access preamble set to which the radio access preamble indicated by the system message on DL 1 belongs is set 1, and the radio access preamble set to which the radio access preamble belongs to which is indicated by the system message on DL 2 is set 2. If the base station detects that the radio access preamble belongs to set 1 in UL1, it only needs to send a radio access response message on DL1. If the base station detects that the radio access preamble belongs to set 2 in UL 1 , it only needs to send a radio access response message in DL 2 .

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PUM

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Abstract

The invention discloses a wireless communication method, which is implemented by a base station. The wireless communication method comprises the steps of: transmitting a system message on a downlink carrier, wherein the system message comprises uplink carrier configuration information and preamble transmission configuration information, the carrier configuration information is used for indicatinga plurality of uplink carriers, and the preamble transmission configuration information is used for indicating a transmission configuration of a wireless access preamble; and setting a wireless accessresponse message according to identification information of the uplink carrier when detecting the wireless access preamble on the uplink carrier, and transmitting the wireless access response messageon the downlink carrier.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a wireless communication method, device and system. Background technique [0002] In a wireless communication system, a terminal and a network transmit data to each other based on a radio (radio) communication technology. However, before transmitting data, the terminal usually needs to access the network first, and establish a connection with the network. [0003] Without loss of generality, the connection between the terminal and the network can be abbreviated as figure 1 The link shown. The two endpoints of a link are used to represent the two devices sending and receiving data respectively. figure 1 In , endpoint A represents a device that enjoys network services, such as a terminal; endpoint B represents a device that provides network services, such as a base station. The connection between these two endpoints is used to represent the path of data tran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00
CPCH04L5/0048H04W72/04H04L5/0094H04L5/0053H04L5/001H04L5/0092H04W76/15H04W76/11H04W48/16H04W72/1268H04W72/23H04W72/12
Inventor 刘哲周国华
Owner HUAWEI TECH CO LTD