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
Time-Varying Channel Estimation for LEO Satellite Communications With Millimeter-Wave Massive MIMO
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2025.3606238
Abstract: The low-Earth-orbit (LEO) satellites equipped with millimeter-wave (mmWave) communication systems offer advantages such as low transmission delay and abundant frequency resources, making them pivotal in nonterrestrial network (NTN) deployment. However, the utilization of massive multiple-input–multiple-output… read more here.
Keywords: millimeter wave; pilot overhead; estimation; varying channel ... 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 Estimation for Millimeter-Wave RIS-Assisted SIMO-OFDM Systems With Reduced Complexity and Pilot Overhead
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2024.3399844
Abstract: Reconfigurable Intelligent Surface(RIS)-assisted communication systems can employ phase shifters to focus radiation energy at the receiver, thereby enhancing link quality and extending coverage. However, designing phase shifters requires cascaded channel state information (CSI), which poses… read more here.
Keywords: pilot overhead; complexity; estimation; ofdm systems ... 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