Advanced wireless communication with high spectrum efficiency and energy has always fascinated humanity, especially the explosive increase of global mobile data services. Index modulation (IM) recently been found to be a promising technique due transmission additional bits via indices available transmit entities. However, practical implementation IM remains great challenge associated complicate...

The world population is rapidly increasing, which in turn increases food needs. On the other hand, production main cause of water withdrawal. Precision agriculture, based on Internet Underground Things (IoUT), has recently been proposed to reduce withdrawals. IoUT comprises sensors and communication devices that are partially or fully submerged beneath ground surface. However, current technolog...

Orthogonal frequency division multiplexing with index modulation (OFDM-IM), which transmits information bits via $M$ -ary constellation symbols and indices of the active subcarriers, is a promising OFDM-based multicarrier transmission...

Abstract This paper proposes a novel modulation scheme called “In Phase and Quadrature-Filter Shape Index Modulation” (IQ-FSIM). It aims to enhance the spectral/energy efficiencies (SE/EE) while generalizing several existing modulations index (IM) domains. In this system, bitstream is divided into three sub-streams. The first mapped using amplitude–phase modulation, other two are separately an ...