To reduce the pilot overhead of cascaded channel estimation for RIS-aided Massive MIMO
communication system, we proposed a deep compressed sensing-based channel …

Massive multiple-input multiple-output (MIMO) systems rely on channel state information
(CSI) feedback to perform precoding and achieve performance gain in frequency division …

Massive multiple-input multiple-output (MIMO) and non-orthogonal multiple access (NOMA)
are two key techniques for enabling massive connectivity in future wireless networks. A …

Preamble collision is a bottleneck that impairs the performance of random access (RA) user
equipment (UE) in grant-free RA (GFRA). In this paper, by leveraging distributed massive …

Unmanned aerial vehicles (UAVs) can now be considered as aerial base stations (BSs) to
support ultra-reliable and low-latency communications by establishing line-of-sight (LoS) …

Reconfigurable intelligent surface (RIS) is envisioned to be an essential component of the
paradigm for beyond 5G networks as it can potentially provide similar or higher array gains …

The uplink channel estimation for the reconfigurable intelligent surface (RIS) aided massive
multiple-input multipleoutput (MIMO) system is investigated. By changing the phase matrix of …

In this paper, we address the problem of energy consumption associated with mixed signal
components such as analog-to-digital components in millimeter-wave (mmWave) massive …

Reconfigurable intelligent surfaces (RISs) are a promising technology for enhancing the
communication performance of future wireless systems by controlling the wireless …

In frequency division duplex (FDD) networks, channel state information (CSI) is critical for
massive multiple-input multiple-output (MIMO) systems, because the base station (BS) relies …