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Keywords = coded auxiliary pilot (CAP)

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14 pages, 519 KB  
Article
Intrinsic Interference Cancellation Scheme for FBMC-OQAM Systems Based on Power Multiplexing
by Jiazhe Li, Siyi Li, Heng Dong and Zhuoming Li
Electronics 2022, 11(9), 1443; https://doi.org/10.3390/electronics11091443 - 29 Apr 2022
Cited by 4 | Viewed by 2362
Abstract
As a competitive candidate of orthogonal frequency-division multiplexing (OFDM), filter-bank multicarrier (FBMC) has significant advantages in low spectrum leakage, relaxed synchronization requirements and high spectral efficiency. However, the loss of orthogonality leads to intrinsic interference in FBMC, whereas most methods eliminate it by [...] Read more.
As a competitive candidate of orthogonal frequency-division multiplexing (OFDM), filter-bank multicarrier (FBMC) has significant advantages in low spectrum leakage, relaxed synchronization requirements and high spectral efficiency. However, the loss of orthogonality leads to intrinsic interference in FBMC, whereas most methods eliminate it by sacrificing data symbols, resulting in a non-negligible decrease in spectral efficiency. In this context, we propose a new method that eliminates intrinsic interference completely without sacrificing any data symbols thanks to the power multiplexing in the transmitter and the successive interference cancellation scheme in the receiver, contributing to a higher spectral efficiency compared with previous methods. Both the analytical and simulation results demonstrate that the proposed method has higher spectral efficiency and similar power efficiency compared with the traditional coded auxiliary pilot (CAP) method without a notable decrease in bit error rate (BER) performance. Full article
(This article belongs to the Special Issue Multirate and Multicarrier Communication)
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