Preamble-Based MMSE Channel Estimation With Low Pilot Overhead in MIMO-FBMC Systems
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3015809
Abstract: As is well-known, high pilot overhead in channel estimation is a critical problem due to the imaginary interference in multiple input multiple output (MIMO) employing filter bank multicarrier (FBMC) (MIMO-FBMC) systems. In this paper, we… read more here.
Keywords: fbmc systems; channel estimation; mimo fbmc; pilot overhead ... See more keywords
Massive Wireless Access Enhancement Based on Self-Similarity of Fractal Channels in Multiscale Space
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3161687
Abstract: Massive Internet of Things (IoT) is an important application scenario for the next-generation mobile communication systems. The channel estimation is crucial for the performance of massive wireless access in IoT. However, when the number of… read more here.
Keywords: massive wireless; wireless access; access; pilot overhead ... See more keywords
Hierarchical BEM Based Channel Estimation With Very Low Pilot Overhead for High Mobility MIMO-OFDM Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2022.3184361
Abstract: Channel estimation for multi-input multi-output orthogonal frequency division multiplexing (MIMO-OFDM) systems is a challenging issue in high mobility scenarios due to prohibitive pilot overhead and complexity. In this paper, a hierarchical basis expansion model (BEM)… read more here.
Keywords: pilot overhead; channel estimation; bem; mimo ofdm ... See more keywords
Efficient Channel Probing and Phase Shift Control for mmWave Reconfigurable Intelligent Surface-Aided Communications
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2023.3276975
Abstract: Recently, a reconfigurable intelligent surface (RIS) that controls the reflection characteristics of incident signals has received a great deal of attention. To make the most of the RIS-aided systems, an acquisition of RIS reflected channel… read more here.
Keywords: pilot overhead; intelligent surface; efficient channel; reconfigurable intelligent ... See more keywords