Scatter Radio Receivers for Extended Range Environmental Sensing WSNs

TL;DR

This paper reviews scatter radio receiver technologies used in environmental sensing wireless sensor networks, focusing on their signal models and recent advancements in coherent and noncoherent detection methods.

Contribution

It provides a comprehensive overview of the latest scatter radio receiver designs tailored for large-scale environmental sensing applications.

Findings

Analysis of coherent and noncoherent receiver architectures

Discussion of signal models with multiple microwave and communication parameters

Identification of challenges and future directions in scatter radio receiver development

Abstract

Backscatter communication, relying on the reflection principle, constitutes a promising-enabling technology for lowcost, large-scale, ubiquitous sensor networking. This work makes an overview of the state-of-the-art coherent and noncoherent scatter radio receivers that account for the peculiar signal model consisting of several microwave and communication parameters.