455 citations · 930 across the 24 of their papers we have counts for
26 papers
AirFM-DDA: Air-Interface Foundation Model in the Delay-Doppler-Angle Domain for AI-Native 6G
Kejia Bian, Meixia Tao, Jianhua Mo +2
The success of large foundation models is catalyzing a new paradigm for AI-native 6G network design: wireless foundation models for physical-layer design. However, existing models…
SPOT: Single-Shot Positioning via Trainable Near-Field Rainbow Beamforming
Yeyue Cai, Jianhua Mo, Meixia Tao
Phase-time arrays, which integrate phase shifters (PSs) and true-time delays (TTDs), have emerged as a cost-effective architecture for generating frequency-dependent rainbow beams…
MARBLE-Net: Learning to Localize in Multipath Environment with Adaptive Rainbow Beams
Qiushi Liang, Yeyue Cai, Jianhua Mo +1
Integrated sensing and communication (ISAC) systems demand precise and efficient target localization, a task challenged by rich multipath propagation in complex wireless environmen…
Fed-PELAD: Communication-Efficient Federated Learning for Massive MIMO CSI Feedback with Personalized Encoders and a LoRA-Adapted Shared Decoder
Yixiang Zhou, Tong Wu, Meixia Tao +1
This paper addresses the critical challenges of communication overhead, data heterogeneity, and privacy in deep learning for channel state information (CSI) feedback in massive MIM…
BitSemCom: A Bit-Level Semantic Communication Framework with Learnable Probabilistic Mapping
Haoshuo Zhang, Yufei Bo, Jianhua Mo +1
Most existing semantic communication systems based on joint source-channel coding (JSCC) employ analog modulation and are thus inherently incompatible with modern digital communica…
SemCSINet: A Semantic-Aware CSI Feedback Network in Massive MIMO Systems
Ruonan Ren, Jianhua Mo, Meixia Tao
Massive multiple-input multiple-output (MIMO) technology is a key enabler of modern wireless communication systems, which demand accurate downlink channel state information (CSI) f…
CFARNet: Learning-Based High-Resolution Multi-Target Detection for Rainbow Beam Radar
Qiushi Liang, Yeyue Cai, Jianhua Mo +1
Millimeter-wave (mmWave) OFDM radar equipped with rainbow beamforming, enabled by phase-time arrays (PTAs), provides wide-angle coverage and is well-suited for fast real-time targe…
Joint Phase-Time Arrays: A Paradigm for Frequency-Dependent Analog Beamforming in 6G
Vishnu V. Ratnam, Jianhua Mo, Ahmad AlAmmouri +4
Hybrid beamforming is an attractive solution to build cost-effective and energy-efficient transceivers for millimeter-wave and terahertz systems. However, conventional hybrid beamf…
Beam Management with Orientation and RSRP using Deep Learning for Beyond 5G Systems
Khuong N. Nguyen, Anum Ali, Jianhua Mo +3
Beam management (BM), i.e., the process of finding and maintaining a suitable transmit and receive beam pair, can be challenging, particularly in highly dynamic scenarios. Side-inf…
Sub-Chain Beam for mmWave Devices: A Trade-off between Power Saving and Beam Correspondence
Jianhua Mo, Daehee Park, Boon Loong Ng +4
Beam correspondence, or downlink-uplink (DL-UL) beam reciprocity, refers to the assumption that the best beams in the DL are also the best beams in the UL. This is an important ass…
Learning Site-Specific Probing Beams for Fast mmWave Beam Alignment
Yuqiang Heng, Jianhua Mo, Jeffrey G. Andrews
Beam alignment - the process of finding an optimal directional beam pair - is a challenging procedure crucial to millimeter wave (mmWave) communication systems. We propose a novel…
Beam Codebook Design for 5G mmWave Terminals
Jianhua Mo, Boon Loong Ng, Sanghyun Chang +6
A beam codebook of 5G millimeter wave (mmWave) for data communication consists of multiple high-peak-gain beams to compensate the high pathloss at the mmWave bands. These beams als…
Grip-Aware Analog mmWave Beam Codebook Adaptation for 5G Mobile Handsets
Ahmad AlAmmouri, Jianhua Mo, Boon Loong Ng +2
This paper studies the effect of the user hand grip on the design of beamforming codebooks for 5G millimeter-wave (mmWave) mobile handsets. The high-frequency structure simulator (…
Limited Feedback in Single and Multi-user MIMO Systems with Finite-Bit ADCs
Jianhua Mo, Robert W. Heath
Communication systems with low-resolution analog-to-digital-converters (ADCs) can exploit channel state information at the transmitter and receiver. This paper presents codebook de…
Limited Feedback in MISO Systems with Finite-Bit ADCs
Jianhua Mo, Robert W. Heath
We analyze limited feedback in systems where a multiple-antenna transmitter sends signals to single-antenna receivers with finite-bit ADCs. If channel state information (CSI) is no…
Channel Estimation in Broadband Millimeter Wave MIMO Systems with Few-Bit ADCs
Jianhua Mo, Philip Schniter, Robert W. Heath
We develop a broadband channel estimation algorithm for millimeter wave (mmWave) multiple input multiple output (MIMO) systems with few-bit analog-to-digital converters (ADCs). Our…
Hybrid Architectures with Few-Bit ADC Receivers: Achievable Rates and Energy-Rate Tradeoffs
Jianhua Mo, Ahmed Alkhateeb, Shadi Abu-Surra +1
Hybrid analog/digital architectures and receivers with low-resolution analog-to-digital converters (ADCs) are two low power solutions for wireless systems with large antenna arrays…
Near Maximum-Likelihood Detector and Channel Estimator for Uplink Multiuser Massive MIMO Systems with One-Bit ADCs
Junil Choi, Jianhua Mo, Robert W. Heath
In massive multiple-input multiple-output (MIMO) systems, it may not be power efficient to have a high-resolution analog-to-digital converter (ADC) for each antenna element. In thi…
Limited Feedback in Multiple-Antenna Systems with One-Bit Quantization
Jianhua Mo, Robert W. Heath
Communication systems with low-resolution analog-to-digital-converters (ADCs) can exploit channel state information at the transmitter (CSIT) and receiver. This paper presents init…
Capacity Analysis of One-Bit Quantized MIMO Systems with Transmitter Channel State Information
Jianhua Mo, Robert W. Heath
With bandwidths on the order of a gigahertz in emerging wireless systems, high-resolution analog-to-digital convertors (ADCs) become a power consumption bottleneck. One solution is…
Secure Beamforming for MIMO Two-Way Communications with an Untrusted Relay
Jianhua Mo, Meixia Tao, Yuan Liu +1
This paper studies the secure beamforming design in a multiple-antenna three-node system where two source nodes exchange messages with the help of an untrusted relay node. The rela…
QoS-Aware Transmission Policies for OFDM Bidirectional Decode-and-Forward Relaying
Yuan Liu, Jianhua Mo, Meixia Tao
Two-way relaying can considerably improve spectral efficiency in relay-assisted bidirectional communications. However, the benefits and flexible structure of orthogonal frequency d…
Degrees of Freedom for MIMO Two-Way X Relay Channel
Zhengzheng Xiang, Meixia Tao, Jianhua Mo +1
We study the degrees of freedom (DOF) of a multiple-input multiple-output (MIMO) two-way X relay channel, where there are two groups of source nodes and one relay node, each equipp…
Relay Placement for Physical Layer Security: A Secure Connection Perspective
Jianhua Mo, Meixia Tao, Yuan Liu
This work studies the problem of secure connection in cooperative wireless communication with two relay strategies, decode-and-forward (DF) and randomize-and-forward (RF). The four…