Abstract
In the information-oriented society, there are increasing needs to conduct data communication with nearby devices/people. In this light, vibration-based communication method was proposed as one of possible communication means between adjacent devices. This method has been expected to provide an intuitive and safe communication by propagating vibration to a receiver device. This study proposes two types of techniques, which are multi-step ASK (Amplitude Shift Keying) with pseudo clock and PPM (Pulse Position Modulation), to achieve a stable vibration-based communication simply using smart device functions. These proposed techniques are then evaluated through some experiments using several types of smart devices. In addition, the effectiveness of the proposed methods is discussed based on the experimental results.
Highlights
In the information-oriented society, opportunities to conduct data communication with nearby people or devices have increased
This study proposes two types of techniques, which are multi-step ASK (Amplitude Shift Keying) with pseudo clock and PPM (Pulse Position Modulation), to achieve a stable vibration-based communication using smart device functions
To confirm the versatility of the proposed method, two types of smartphones (Nexus 6 made by Motorola and AQUOS ZETA made by SHARP) and two types of tablet computers (Nexus 9 made by HTC and Media Pad M 3 made by HUAWEI) were prepared
Summary
In the information-oriented society, opportunities to conduct data communication with nearby people or devices have increased. Users who own multiple devices often exchange information between their devices. This requires high frequency of connection and fast connectivity (such as NFC, Wi-Fi and Bluetooth, refer to Section 2) which are normally costly and exposed to various security threat. It is suggested to create a simple, easy and secured communication method. In this light, vibration-based communication is proposed as one of possible communication means between adjacent devices. Vibration-based communication is proposed as one of possible communication means between adjacent devices
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