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Wireless communication method and device

一种无线通信、通信节点的技术，应用在通信领域，能够解决无法满足NR设计需求等问题

Pending Publication Date: 2021-08-06
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In future new wireless access technology research, eNB can configure different bandwidth parts (BandwidthPart, referred to as BWP) for each user, and the bandwidth part of the user can be larger than the 20MHz bandwidth of the LTE or LTE-A system, while The current SRS bandwidth configuration only supports a maximum of 20MHz, which cannot meet the design requirements of NR

Method used

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  • Wireless communication method and device
  • Wireless communication method and device

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0330] In this example, the first communication node instructs the second communication node to send the parameters used by the uplink reference signal through signaling, or both the first communication node and the second communication node predefine the parameters used by the second communication node to send the uplink reference signal Parameters, for example, the formula for calculating the transmission bandwidth of the SRS or the number of segments agreed upon by both parties.

[0331] In this example, the reference signal is described by taking SRS as an example. Wherein, the parameters may include at least one of the following: bandwidth configuration index, sending bandwidth, and bandwidth parameters.

[0332] In this example, after the second communication node receives the signaling sent by the first communication node, it may determine the transmission bandwidth or the number of segments of the SRS based on one of the following methods:

[0333] method one,

[033...

example 2

[0360] In this example, the first communication node instructs the second communication node to send the parameters used by the uplink reference signal through signaling, or both the first communication node and the second communication node predefine the parameters used by the second communication node to send the uplink reference signal Parameters, for example, a configuration table in which the first communication node and the second communication node agree on the transmission bandwidth of the SRS.

[0361] In this example, the reference signal is described by taking SRS as an example. Wherein, the parameters may include at least one of the following: bandwidth configuration index, sending bandwidth, and bandwidth parameters.

[0362] In this example, after the second communication node receives the signaling from the first communication node, it can configure N according to the signaling BWP 、C SRS and B SRS At least one of the items and the configuration table of the ...

example 3

[0377] In this example, the first communication node instructs the second communication node to send the parameters used by the uplink reference signal through signaling, or both the first communication node and the second communication node predefine the parameter used by the second communication node to send the uplink signal Parameters, for example, the configuration form of the transmission bandwidth of the SRS agreed upon by both parties.

[0378] In this example, the reference signal is described by taking SRS as an example. Wherein, the parameters may include at least one of the following: bandwidth configuration index, sending bandwidth, and bandwidth parameters.

[0379] In this example, after the second communication node receives the signaling from the first communication node, it can configure C according to the signaling SRS and B SRS At least one of the items and the configuration table of the predefined sending bandwidth determine the sending bandwidth of the ...

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Abstract

The invention provides an information transmission method, which comprises the following steps: a first communication node determines resources or parameters used by a second communication node for sending a reference signal; indicating resources or parameters to the second communication node through signaling; the second communication node receives the signaling sent by the first communication node; according to the signaling, or the signaling and a rule agreed with the first communication node, determining resources or parameters used for sending the reference signal; and sending the reference signal by adopting the determined resource or parameter. In this way, the design requirement for reference signal transmission in the NR system is met.

Description

[0001] This application is a divisional application of the application with the application number 201710939835.7, the application date is September 30, 2017, and the invention name is "a wireless communication method and device". technical field [0002] The present invention relates to the communication field, in particular to an information transmission method and device. Background technique [0003] In Long Term Evolution (LTE for short), a Physical Downlink Control Channel (PDCCH for short) is used to carry uplink and downlink scheduling information and uplink power control information. Downlink Control Information (DCI for short) format (format) is divided into DCI format 0, 1, 1A, 1B, 1C, 1D, 2, 2A, 3, 3A, etc., and later evolved to LTE-A Release12 (LTE -A version 12) has added DCI format 2B, 2C, 2D to support a variety of different applications and transmission modes. The base station (e-Node-B, referred to as eNB) can configure the terminal (User Equipment, referr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04B1/713H04L25/02
CPCH04L5/0053H04L5/0051H04L5/0094H04B1/713H04L25/0226H04L27/2613H04L5/0048H04L27/2605H04L27/26134
Inventor 王瑜新蒋创新张淑娟鲁照华李儒岳
Owner ZTE CORP
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