Data Assistance Cellular Signal Based Ambient Backscatter Receiver

Jingyi Liao*, Kalle Ruttik*, Riku Jantti*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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Abstract

Previous studies have shown that Ambient Backscatter Communication (AmBC) is effectively supported by User Equipment (UE) using LTE downlink pilot signals, which transmit frequently for reliable channel estimation. However, the New Radio (NR) systems transmit these signals less often, potentially degrading backscatter link performance. This paper suggests enhancing AmBC receiver performance by utilizing both downlink data and reference signals for channel estimation. We demonstrate that incorporating data symbols alongside pilot symbols significantly improves AmBC performance. Our theoretical and simulated analyses reveal that data-assisted AmBC achieves a 12dB gain at a BER of 10-4 and an SNR of -3dB.

Original languageEnglish
Title of host publication2024 IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2024
PublisherIEEE
Pages521-525
Number of pages5
ISBN (Electronic)979-8-3503-9318-7
DOIs
Publication statusPublished - 2024
MoE publication typeA4 Conference publication
EventIEEE International Workshop on Signal Processing Advances in Wireless Communications - Lucca, Italy
Duration: 10 Sept 202413 Sept 2024

Publication series

NameIEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC
ISSN (Print)2325-3789

Conference

ConferenceIEEE International Workshop on Signal Processing Advances in Wireless Communications
Country/TerritoryItaly
CityLucca
Period10/09/202413/09/2024

Keywords

  • Ambient Backscatter Communications
  • Channel Estimation

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