Backscatter-enabled noma for 6g ummtc wireless networks

The future sixth-generation (6G) technologies are expected to support large-deployment of low-powered wireless connections with high data rate and ultra-low latency. In this regard, two technologies named as power-domain non-orthogonal multiple access (PD-NOMA) and ambient backscatter communication (AmBC) are discussed in this conference. The backscatter tag in AmBC uses the incident radio-frequency (RF) signal to modulate its own information and reflect it toward the readers. Furthermore, the combination of PD-NOMA and AmBC will provide high spectral and energy-efficiency to support large-scale Internet-of-things (IoT) networks. It is shown that BC-PD-NOMA transmission scheme can realize simultaneous energy and spectrum cooperation between uplink and downlink users, which is important to support massive connectivity and stringent energy constraints in ultra-massive machine type communications (umMTC).

Wireless Inside based on the effect of frequency dependent electrical properties of building materials. Ray tracing technique has been utilized to predict multipath propagation characteristics in mm-wave bands at different propagation environments and results were compared to the theoretical models.

Author(s): Mohsen Kazemian

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