In this paper, by exploiting the channel sparsity in virtual angular domain, a sparsity-aided codebook is proposed for FDD massive MIMO system to alleviate the ...

Sparsity-aided codebook for limited feedback in FDD massive MIMO system · Ruoyu ZhangJiayan ZhangHonglin ZhaoYulong Gao. Engineering, Computer Science. Phys ...

Spatio-temporal Correlated Channel Feedback for Massive MIMO Systems · Sparsity-aided codebook for limited feedback in FDD massive MIMO system · Improve Downlink ...

Oct 9, 2019 · Due to limited feedback, however, FDD is less capable of separating users compared to TDD in multiuser cases.

Mar 19, 2024 · In this paper, we investigate the CSI feedback in the RIS- aided FDD massive MIMO systems. The contributions of this work are summarized as ...

Jun 12, 2024 · Abstract—We propose a versatile feedback scheme for both single- and multi-user multiple-input multiple-output (MIMO).

May 14, 2024 · Abstract—In frequency-division duplexing (FDD) multiple- input multiple-output (MIMO) systems, obtaining accurate.

A new frame structure for downlink transmission is presented. Then, codebook-aided (C-aided) algorithms are proposed based on this frame structure.

May 2, 2021 · Simulation results show that, compared with the conventional method, the proposed scheme can reduce channel feedback overhead by more than 80%.

To reduce the feedback overhead, we propose an angle-of-departure (AoD) adaptive subspace codebook for channel feedback in FDD massive MIMO systems. Our key ...