Every year during a small period of time a ray of mystical light appears in the Keyhole Arch at the Pfeiffer Beach, California. This natural phenomenon draws lots of visitors, as well as professional ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

Abstract: It has been predicted theoretically that for some environments, the capacity of wireless multiple-input multiple-output systems can become very low even for uncorrelated signals; this effect ...