Unlock instant, AI-driven research and patent intelligence for your innovation.

Positioning reference signal transmission method and device, electronic equipment and storage medium

A technology of positioning reference signal and transmission method, which is applied in the directions of wireless communication and electrical components to achieve the effect of simplifying the transmission of PRS

Active Publication Date: 2020-11-17
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
View PDF12 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the proposal of Redcap UE will make the transmission of PRS adapt to the bandwidth supported by Redcap UE, which poses a challenge

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Positioning reference signal transmission method and device, electronic equipment and storage medium
  • Positioning reference signal transmission method and device, electronic equipment and storage medium
  • Positioning reference signal transmission method and device, electronic equipment and storage medium

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0161] In application scenarios, devices with sensors, video surveillance and wearable devices generally have relatively low bandwidth requirements, 20-40M, or even 10M. Take Redcap UE supporting 20M bandwidth as an example.

[0162] The PRS is a downlink signal sent by the base station in the 3GPP NR air interface for positioning. As we all know, the positioning bandwidth is directly proportional to the accuracy, so the PRS bandwidth ranges from a minimum of 24 Physical Resource Blocks (Physical Resource Block, PRB) to a maximum of 272 PRB. Usually, the base station will select the appropriate bandwidth according to the positioning accuracy requirements and system resources. For example, 96 PRBs, SCS=30KHz, approximately 35M, and two consecutive time-domain symbols are configured at a minimum.

[0163] If you want to improve the accuracy, you will configure a larger bandwidth or more symbols in the time domain, or together (the expansion accuracy of the frequency domain band...

example 2

[0166] For a PRS sequence with a bandwidth of n, the base station configures the Redcap UE to use cross-symbol frequency hopping, that is, the first part of the sequence is configured in the first symbol, and the second part is configured in the adjacent different bandwidths of the second symbol. The third symbol and so on (if the bandwidth exceeds 2 times).

[0167] In terms of configuration, the PRS sequence of the PRS is divided into n parts; for example, there are 2 parts in the figure, the first part is sent in the first frequency domain of the first symbol; the second part is sent in the second frequency domain of the second symbol, And so on for the third and fourth symbols.

[0168] Another solution is that the first part is sent in the first frequency domain of the first symbol; the second part is sent in the second frequency domain of the third symbol; the second part is sent in the first frequency domain of the second symbol, as shown in the figure The second part ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The embodiment of the invention provides a positioning reference signal transmission method and device, electronic equipment and a storage medium. The positioning reference signal sending method in the positioning reference signal transmission method comprises the step of sending different parts of the PRS on different symbols according to bandwidths supported by UE of a predetermined type.

Description

technical field [0001] Embodiments of the present disclosure relate to the field of wireless communication but are not limited to the field of wireless communication, and in particular to a positioning reference signal (Position Reference Signal, PRS) transmission method and device, electronic equipment, and a storage medium. Background technique [0002] At present, the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) has launched the communication protocol version (Release, R) R17 light terminal (Reduced capability NR devices, Redcap) project research, the project goal is to coexist with R15 or R16 terminals In the case of the UE, the complexity of the UE is reduced and the cost is saved. [0003] The PRS is a downlink signal sent by an uplink base station. The PRS can be used for UE positioning. However, the proposal of the Redcap UE will make the transmission of the PRS adapt to the bandwidth supported by the Redcap UE, which poses a challe...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04W64/00
CPCH04W64/00H04W64/003H04L5/0012H04L5/0048
Inventor 刘洋
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD