10 September 2004 Infrared wireless indoor: a new multimedia communication concept
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Abstract
Currently the wireless networks are replacing the connection cables via radio or infrared waves. Emission/reception terminals are installed to cover zones in relation with a quality of service. Thus users can be connected to the local area network thanks to an adapter that emits and receives on this network. There are technological radio solutions : Bluetooth, WiFi, and optics constituted by an infrared base and modules. Infrared technology has important advantages: Transmitted data security, radio and medical immunity, etc. Nevertheless, the optical systems seem to present a limit because the network management is based on only one wavelength and several users. The solution suggested, scope of this document, is at a crossroads with the telecoms with optical fibre, optics in free space and data processing domains. Indeed, it is a question, of using WDM technology and transmitting these various wavelengths in free space, using optical Multiplexer/Demultiplexer and optical modules, which are compatible in wavelength. Each mission/reception module has a defined and personal wavelength, with a link with the terminal identification (addresses MAC or IP). This approach has full duplex data rate for a minimum of a dozen Mbps per user for a broadcasting, and hundred Mbps for a line of sight system. The application field for the suggested system is potentially included in the following networks types: WirLAN, WirDAN or WirPAN.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. Olivier Bouchet, M. Olivier Bouchet, M. Yvon Dutertre, M. Yvon Dutertre, Michel Monerie, Michel Monerie, } "Infrared wireless indoor: a new multimedia communication concept", Proc. SPIE 5465, Reliability of Optical Fiber Components, Devices, Systems, and Networks II, (10 September 2004); doi: 10.1117/12.544962; https://doi.org/10.1117/12.544962
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