Abstract The digital and programmable metasurfaces, as opposed to conventional offer a more sophisticated method of collaborating information physics, showcasing several real-time controls electromagnetic (EM) ways in succinct ways. In this work, we propose multi-frequency amplitude-programmable (MFAP) metasurface with multiple frequency channels enhance the presentation manipulation EM data. W...

This is a tutorial article presenting comparison between single input single output and multi input multi output wireless channel. We have compared Shannon ergodic capacity of SISO link and its different realizations with MIMO wireless channel. It is shown that wireless channel capacity increases linearly with the increase of multiple antennas both at transmitter and receiver. MIMO wireless lin...

The Möbius function is utilised to propose a class of multi-channel, multi-sampling rate theorems. Our construction facilitates a parallel decomposition of the Fourier transform into an array of general integral transform operators. A practical example is discussed which employs a complex square wave biorthonormal basis.

In ad hoc wireless networks, a multi-channel MAC protocol can be used to make full use of all channels available and thus to increase the total network throughput and achieves low average delay. This lecture first gives a brief introduction to various types of multi-channel protocols and then discusses the design of a new multi-channel MAC called McMAC.