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Telecommunications Sony shows off wireless data transfer at 560Mbps
Telecommunications Sony shows off wireless data transfer at 560Mbps | Sony shows off wireless data transfer at 560Mbps |
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| by Stan Beer | |
| Monday, 07 January 2008 | |
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According to Sony, just touch two electronic products together and files are transferred automatically. Users are also able to register their electronic products to enable TransferJet to recognize specific products. For example, by registering only the devices within their household, users can prevent external data leakage. There is no host/target relationship, so data transfer can take place between mobile phones and PCs for example, as well as between mobile devices. TransferJet's physical layer transmission rate is 560Mbps, and allowing for error corrections and protocol overheads, the effective physical layer transmission rate is 375Mbps, according to Sony. Sony claims that because TransferJet is a close proximity wireless system which radiates very low-intensity radio waves, it causes almost no interference to other wireless systems, and there is no impact to performance even if multiple users simultaneously multiple TransferJet system. Moreover, users of electronic products incorporating TransferJet technology are able to transfer data among each other's products regardless of whether they are indoors or outdoors and irrespective of their geographic location. Sony's newly developed "TransferJet Coupler" is based on electric induction field coupling to deliver superior propagation performance compared to conventional radiation field based antennas. Sony claims that it maintains high transmission gain and efficient coupling in near-field proximity, while providing sharp attenuation over longer distances to avoid interference with other wireless systems. Furthermore, as there is no antenna polarization it is possible to transmit data without any performance loss, regardless of the contact angle of the electronic devices.
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