Swiss researchers test high-speed WLAN network

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A prototype of a MIMO station with four antennas. 25cm high by 12cm wide. Credit: Photo: Group Prof. BoelcskeiETH Zurich
A prototype of a MIMO station with four antennas. 25cm high by 12cm wide. Credit: Photo: Group Prof. Boelcskei/ETH Zurich

According to the communication theory, only a limited amount of data can be transmitted within a given bandwidth for wireless communication. Ever since these limits were revealed 60 years ago, we have been trying to reach the boundaries determined by physics as efficiently as possible. In light of the growing significance of cellular phone networks and WLAN connections, scientists are seeking new ways to transfer more data than ever before – after all, transmission capacities are in short supply and, therefore, a valuable commodity.


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