In a backscatter communication system, the backscatter device (BD) transmits its messages
to the backscatter receiver (BR) by reflecting the incident signal from an external radio …

The heterogenous wireless services and exponentially growing traffic call for novel spectrum-
and energy-efficient wireless communication technologies. Recently, a new technique …

The upcoming sixth generation (6G) communications systems are expected to support an
unprecedented variety of applications, pervading every aspect of human life. It is clearly not …

The sixth generation (6G) wireless technology aims to achieve global connectivity with
environmentally sustainable networks to improve the overall quality of life. The driving force …

This letter considers a symbiotic radio (SR) system enhanced by a reconfigurable intelligent
surface (RIS). The active transmit beamforming of the base station (BS) and the passive …

In this paper, we develop an optimization framework for the symbiotic operation of a
multiuser cognitive radio network (CRN) consisting of a non-orthogonal multiple access …

Reconfigurable intelligent surfaces (RISs) appear as one of the most promising paradigms
for future wireless communications, because of their high adjustability for diverse …

Symbiotic radio (SR) is a promising technology to support ultralow-power or even zero-
power Internet of Things (IoT) devices in the sixth-generation mobile networks. In this article …

In reconfigurable intelligent surface (RIS)-assisted symbiotic radio (SR) systems, an RIS
transmits a secondary signal by modulating its information bits over the radio frequency (RF) …

Symbiotic radio is a promising technology to achieve spectrum-and energy-efficient wireless
communications, where the secondary backscatter device (BD) leverages not only the …