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BSI PD IEC TR 63239:2020

BSI PD IEC TR 63239:2020

$142.49

Radio frequency beam wireless power transfer (WPT) for mobile devices

Published By Publication Date Number of Pages
BSI 2020 26
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This Technical Report presents the surveyed technologies, product development trends, international standards, and regulation trends of RF beam WPT. This report can be used for the research and analysis of projects that apply small-output remote WPT to mobile devices, such as smartphones, Internet of Things (IoT) devices, and ultra-small sensors.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
5 FOREWORD
7 1 Scope
2 Normative references
3 Terms and definitions
4 Introduction to RF beam WPT
4.1 Overview of the RF beam WPT type
8 4.2 Requirements for RF beam WPT
4.2.1 General
Tables
Table 1 – Overview of the RF beam WPT type
9 4.2.2 Power transfer system design of RF beam WPT
Figures
Figure 1 – TX and RX structures of RF beam WPT
10 4.2.3 Available candidate frequencies of RF beam WPT
4.2.4 Operating principle of omnidirectional RF beam WPT
Figure 2 – Beam pattern diagram of omnidirectional RF beam WPT
Table 2 – Characteristics of candidate frequencies for RF beam WPT
11 4.2.5 Operating principle of directional RF beam WPT
Figure 3 – Example of high-output omnidirectional RF beam WPT in space
Figure 4 – Beam pattern diagram of directional RF beam WPT
12 Figure 5 – Electromagnetic wave transmission/reception at each pattern antenna of directional RF beam WPT
Figure 6 – Direction RF beam WPT (a) description on delay generation at each pattern antenna (b) delay adjustment method to transmit desired signals
13 4.3 Operating scenario of RF beam WPT
4.3.1 Possible requirement for RF beam WPT
Figure 7 – Example of beam pattern formation by the delay and direction adjustment of the transmission signals of each antenna
14 4.3.2 Operating scenario of omnidirectional RF beam WPT
4.3.3 Operating scenario of directional RF beam WPT
Figure 8 – Expected operating scenario of omnidirectional RF beam WPT
15 Figure 9 – Expected operating scenario sequence of directional RF beam WPT – Pilot signal transmission from the single RX in case of an obstacle
Figure 10 – Expected operating scenario sequence of directional RF beam WPT – Directional WPT to the single RX in case of an obstacle
16 5 Trends in standards, regulations, and technologies related to RF beam WPT
5.1 Trends in standards related to RF beam WPT
Figure 11 – Expected operating scenario sequence of directional RF beam WPT – Directional WPT from multiple TXs to multiple RXs in case of an obstacle
17 5.2 Trends in regulations related to RF beam WPT
Table 3 – Activities of domestic/overseas standardization organizations related to RF beam WPT
18 Table 4 – Major recommendations and regulations of standardization organizations related to WPT for mobile devices
21 5.3 Trends in global products related to RF beam WPT
24 6 Summary

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BSI PD IEC TR 63239:2020
$142.49