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Pubmed for Handhelds

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  • Title: Multichannel neural recording with a 128 Mbps UWB wireless transmitter for implantable brain-machine interfaces.
    Author: Ando H, Takizawa K, Yoshida T, Matsushita K, Hirata M, Suzuki T.
    Journal: Annu Int Conf IEEE Eng Med Biol Soc; 2015; 2015():4097-100. PubMed ID: 26737195.
    Abstract:
    To realize a low-invasive and high accuracy BMI (Brain-machine interface) system, we have already developed a fully-implantable wireless BMI system which consists of ECoG neural electrode arrays, neural recording ASICs, a Wi-Fi based wireless data transmitter and a wireless power receiver with a rechargeable battery. For accurate estimation of movement intentions, it is important for a BMI system to have a large number of recording channels. In this paper, we report a new multi-channel BMI system which is able to record up to 4096-ch ECoG data by multiple connections of 64-ch ASICs and time division multiplexing of recorded data. This system has an ultra-wide-band (UWB) wireless unit for transmitting the recorded neural signals to outside the body. By preliminary experiments with a human body equivalent liquid phantom, we confirmed 4096-ch UWB wireless data transmission at 128 Mbps mode below 20 mm distance.
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