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| Capacity | Applications like HDTV are driving factors for high data speed requirements from wireless technolohies. VirtualWire is involved in research in building technologies for multi-Gbps wireless links. One of the avenues for achieving such speeds is by using UltraWideBand (UWB) technology. (Ultrawideband was traditionally accepted as pulse radio, but the FCC and ITU-R now define UWB in terms of a transmission from an antenna for which the emitted signal bandwidth exceeds the lesser of 500 MHz or 20% of the center frequency. Thus, pulse-based system (Impulse-Radio UWB), wherein each transmitted pulse instantaneously occupies the UWB bandwidth, or an aggregation of at least 500 MHz worth of narrow band carriers, for example in OFDM fashion (Multi-Band OFDM UWB) are both categorized as UWB links.) Other technologies we are developing includes use of MIMO or smart antenna systems and spatial coding. For building high-speed wireless solutions based on UWB technologies contact us at partnership@virtualwire.in . |
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