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of 31
pro vyhledávání: '"Zhou, Binggui"'
In TDD mmWave massive MIMO systems, the downlink CSI can be attained through uplink channel estimation thanks to the uplink-downlink channel reciprocity. However, the channel aging issue is significant under high-mobility scenarios and thus necessita
Externí odkaz:
http://arxiv.org/abs/2406.08887
In this paper, a dynamic hybrid active-passive reconfigurable intelligent surface (HRIS) is proposed to further enhance the massive multiple-input-multiple-output (MIMO) system, since it supports the dynamic placement of active and passive elements.
Externí odkaz:
http://arxiv.org/abs/2404.00598
Accurate channel state information (CSI) is essential for downlink precoding in frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems with orthogonal frequency-division multiplexing (OFDM). However, obtaining CSI th
Externí odkaz:
http://arxiv.org/abs/2312.04062
In beamformed wireless cellular systems such as 5G New Radio (NR) networks, beam management (BM) is a crucial operation. In the second phase of 5G NR standardization, known as 5G-Advanced, which is being vigorously promoted, the key component is the
Externí odkaz:
http://arxiv.org/abs/2309.10575
To reap the promising benefits of massive multiple-input multiple-output (MIMO) systems, accurate channel state information (CSI) is required through channel estimation. However, due to the complicated wireless propagation environment and large-scale
Externí odkaz:
http://arxiv.org/abs/2303.00986
Smart healthcare has achieved significant progress in recent years. Emerging artificial intelligence (AI) technologies enable various smart applications across various healthcare scenarios. As an essential technology powered by AI, natural language p
Externí odkaz:
http://arxiv.org/abs/2110.15803
Publikováno v:
In Neurocomputing 1 November 2023 556
Akademický článek
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Publikováno v:
In Knowledge-Based Systems 5 March 2023 263
Akademický článek
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