Model division multiple access for semantic communications
In a multi-user system, system resources should be allocated to different users. In traditional
communication systems, system resources generally include time, frequency, space, and …
communication systems, system resources generally include time, frequency, space, and …
Joint OAM multiplexing and OFDM in sparse multipath environments
The emerging orbital angular momentum (OAM) based wireless communication is expected
to be a high spectrum-efficiency communication paradigm to solve the growing transmission …
to be a high spectrum-efficiency communication paradigm to solve the growing transmission …
A novel OFDM autoencoder featuring CNN-based channel estimation for internet of vessels
This article proposes a novel orthogonal frequency-division multiplexing (OFDM)
autoencoder featuring convolutional neural networks (CNNs)-based channel estimation for …
autoencoder featuring convolutional neural networks (CNNs)-based channel estimation for …
RIS grouping based index modulation for 6G telecommunications
In this letter, a novel reconfigurable intelligent surface (RIS) grouping based index
modulation (RGB-IM) is proposed to enhance spectral efficiency and improve bit error rate …
modulation (RGB-IM) is proposed to enhance spectral efficiency and improve bit error rate …
Spatial multiplexing with limited RF chains: Generalized beamspace modulation (GBM) for mmWave massive MIMO
Millimeter wave (mmWave) massive multiple-input multiple-output (mMIMO) has been
recognized as a promising candidate for 5G communications for its capability of supporting …
recognized as a promising candidate for 5G communications for its capability of supporting …
Joint code-frequency index modulation for IoT and multi-user communications
In this paper we propose a family of index modulation systems which can operate with low-
power consumption and low operational complexity for multi-user communication. This is …
power consumption and low operational complexity for multi-user communication. This is …
Index modulation with circularly-shifted chirps for dual-function radar and communications
In this study, we propose index modulation (IM) with circularly-shifted chirps (CSCs)(CSC-
IM) for dual-function radar and communication (DFRC) systems. The proposed scheme …
IM) for dual-function radar and communication (DFRC) systems. The proposed scheme …
Spectrum-efficient distributed compressed sensing based channel estimation for OFDM systems over doubly selective channels
AN Uwaechia, NM Mahyuddin - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, we deal with channel estimation (CE) for high-mobility orthogonal frequency
division multiplexing (OFDM) systems. To make the numerous (unknown) estimation for the …
division multiplexing (OFDM) systems. To make the numerous (unknown) estimation for the …
Spread OFDM-IM with precoding matrix and low-complexity detection designs
T Van Luong, Y Ko - IEEE Transactions on Vehicular …, 2018 - ieeexplore.ieee.org
We propose a new spread orthogonal frequency division multiplexing with index modulation
(S-OFDM-IM), which employs precoding matrices such as Walsh-Hadamard (WH) and …
(S-OFDM-IM), which employs precoding matrices such as Walsh-Hadamard (WH) and …
Differential subcarrier index modulation
One of the main challenges in orthogonal frequency division multiplexing (OFDM)-subcarrier
index modulation (SIM) systems is the huge amount of resources required to obtain channel …
index modulation (SIM) systems is the huge amount of resources required to obtain channel …