Multipath-enabled super-resolution for rf and microwave communication using phase-conjugate arrays.
We demonstrate experimentally that phase-conjugate techniques can be used to achieve super-resolution focusing of electromagnetic waves in a multipath indoor environment at 2.45 GHz. The focusing phenomena was used to direct independent signals to two locations separated by approximately one-half wavelength, thereby creating two simultaneous channels at the same frequency. An increase in channel capacity is shown to be achievable by an experimental transmission of a 1 Mbps signal over two channels created using a four element phase-conjugate array.
Henty
Benjamin E
BE
Center for Wireless and Broadband Networking, Electrical and Computer Engineering Department, Carnegie Mellon University, Pittsburgh, PA 15230, USA. henty@eirp.org
Stancil
Daniel D
DD