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Simultaneous recordings of neural activity at large scale, in the long term and under bio-safety conditions, can provide essential data. These data can be used to advance the technology for brain-machine interfaces in clinical applications, and to understand brain function. For this purpose, we present a new multichannel neural recording system that can record up to 4096-channel (ch) electrocorticogram...
Recently, wireless LANs are spread rapidly. It is excellent at their mobility, portability and easy installation. These advantages are suitable for use it as disaster information networks. However, in the actual disaster case, electric power line is also damaged and those wireless LANs cannot be functioned. In this paper, we introduce a power saving wireless LANs for disaster use with combination...
Gliomas represent the most frequent type of primary intracranial tumors, which originate from the brain tissue itself, have infiltrative growth, unclear borders, and usually affect functionally-important cerebral structures. From March 2000 till March 2010, 839 neurosurgical procedures directed on resection of such neoplasms were performed in the intelligent operating theater of Tokyo Women's Medical...
The objective of our research is to develop a wireless sensor network construction system by teleoperated mobile robot. Our proposed system is that mobile robot carries the sensor nodes and deploys them for constructing wireless network in the working environment. For deployment of the sensor nodes, we introduced to estimate maintainable data transfer speed based on statistic approach. When estimated...
Radio on Free Space Optical Link (RoFSO) has been developed to realize a cost effective and universal platform for heterogeneous wireless services as same as RoF. This paper proposes a new link loss model for RoFSOL based on a long-term experiment of RoFSO transmission and a total system design method for four types of wireless services.
Radio on free space optics (RoFSO) is being developed to realize a cost effective and universal platform for heterogeneous wireless services as same as RoF. The developed RoFSO transceiver can directly transmit some RoF signals from an optical fiber and can receive an RoFSO signal from air into a fiber core. It can achieve an free space for various types of wireless services in an optical wireless...
With the increase of communication demand and the emergence of new services, various wireless technologies have been deployed recently. To achieve the goal of ubiquitous communication, however, a universal platform is necessary to connect all the network facilities and make them communicate together. The transmission of radio on fiber (RoF) has been realized as an attractive means to reach this target...
This paper discusses a wireless sensor node with impact resistance capability. We have been discussing the development of disaster information gathering system utilizing wireless sensor network deployed by rescue robots for underground facility such as metro station. For convenient and efficient deployment of a sensor network, we proposed throwing deployment method. To realize throwing deployment,...
This paper describes a wireless camera node with passive pendulum mechanism. We focus on transferring captured movie via wireless network and easy setting-up operation at demonstration site.
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