文件名称:
Elderly-care Monitoring Sensor Using Stepped-FM UWB Scheme
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文件大小: 1mb
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上传时间: 2012-04-12
详细说明： Elderly-care support is a very important issue in high range/time resolution, high channel capacity and envi- many developed countries because of the arrival of increasingly ronmental friendliness due to the very low energy emission. aging society. The increase in accidents involving the elderly Therefore we had suggested the use of UWB for the moni- becomes great concern and the requirement for monitoring their activity and state is especially increasing in care facilities. We toring sensor, but UWB regulation had not been considered have therefore developed a wireless monitoring sensor where a [1]. Actually, the UWB sensor should cause interference to stepped-FM based ultra-wideband (UWB) scheme is employed existing or future wireless systems using the same band such as to coexist with other existing wireless systems. This is because WiMAX or 3G/4G systems. Please note that radio regulation some interference mitigation device is required to be implemented for UWB has not been approved yet in Japan because of by the UWB regulation. Our developed sensor system can take any optional spectrum hole (non-activated within a portion of an interference problem with existing wireless systems in the wide radio spectrum) for the UWB transmission. This paper overlapped bands, while in other countries the UWB device presents the measurement results conducted in a care/nursing operated in the lower band is required to implement DAA home. ...展开收缩
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