Abstract

The scope of the Internet of Things has driven significant attention towards ambient backscatter communication (AmBC) systems as a possible solution. However, the fundamental performance limits of the AmBC-enabled wireless systems are not yet well-understood. This paper evaluates the performance limits of an AmBC system with binary phase-shift keying input and multi-bounce effect between AmBC nodes which has been overlooked in literature. For this purpose, the study applied a multiplicative channel mode modified from a reverberant one. The obtained results indicate that the multi-bounce effect between the AmBC nodes is non-ignorable on the performance of the legacy and the AmBC systems, and improves the AmBC achievable rate.

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