Data Transmission Using Original Coils in Resonant Wireless Power Transmission

被引：1
|
作者：
Maruyama, Takashi [1 ]
Shimizu, Tatsuya [2 ]
Akimoto, Mamoru [1 ]
Maruta, Kazuki [1 ]
机构：
[1] NTT Corp, NTT Access Network Serv Syst Labs, Tsukuba, Ibaraki 3050805, Japan
[2] NTT Corp, NTT Network Innovat Labs, Yokosuka, Kanagawa 2390847, Japan
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2011年 / E94B卷 / 11期
关键词：
resonant wireless power transmission; data transmission; load modulation; equivalent circuit;
D O I：
10.1587/transcom.E94.B.3172
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose a data transmission method for resonant wireless power transmission systems. In order to transmit data, we use the coils originally designed for power transmission, no additional antennas are required. We focus on uplink data transmission and adopt the load modulation technique. This configuration yields mid-range data transmission without transmitting power. In addition, the proposal enables simultaneous power feeding and uplink data transmission. We make a prototype demonstrating resonant wireless power transmission and measure its S-parameter under some load conditions. The results confirm the potential of load modulation in supporting uplink data transmission. Additionally, the results are elucidated by analyzing an equivalent circuit. Measured S-parameter and equivalent circuit response are found to be similar.
引用
收藏
页码：3172 / 3174
页数：3
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