On the Achievable Rate of Bi-Static Modulated Re-Scatter Systems

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

25 Sitaatiot (Scopus)


In ambient re-scatter<formula><tex>${}^1$</tex></formula> communications, devices convey information by modulating and re-scattering the radio frequency signals impinging on their antennas. In this correspondence, we consider a system consisting of a legacy modulated continuous carrier multiple-input-multiple-output (MIMO) link and a multi-antenna modulated re-scatter (MRS) node, where the MRS node modulates and re-scatters the signal generated by the legacy transmitter. The receiver seeks to decode both the original message and the information added by the MRS. We show that the achievable sum rate of this system exceeds that which the legacy system could achieve alone. We further consider the impact of channel estimation errors under the least squares channel estimation and study the achievable rate of the legacy and MRS systems, where a linear minimum mean square error receiver with successive interference cancellation is utilized for joint decoding.

JulkaisuIEEE Transactions on Vehicular Technology
Varhainen verkossa julkaisun päivämäärä14 lokakuuta 2017
DOI - pysyväislinkit
TilaJulkaistu - 2017
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu


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