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Related papers: Generative Site-Specific Beamforming for Next-Gene…

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Beam alignment is a critical bottleneck in millimeter wave (mmWave) communication. An ideal beam alignment technique should achieve high beamforming (BF) gain with low latency, scale well to systems with higher carrier frequencies, larger…

Information Theory · Computer Science 2023-07-11 Yuqiang Heng , Jeffrey G. Andrews

The evolution of fifth generation (5G) wireless communication networks has led to an increased need for wireless resource management solutions that provide higher data rates, wide coverage, low latency, and power efficiency. Yet, many of…

Information Theory · Computer Science 2024-06-13 Cemil Vahapoglu , Timothy J. O'Shea , Tamoghna Roy , Sennur Ulukus

This work gives a blind beamforming strategy for intelligent reflecting surface (IRS), aiming to boost the received signal-to-noise ratio (SNR) by coordinating phase shifts across reflective elements in the absence of channel information.…

Information Theory · Computer Science 2022-11-04 Shuyi Ren , Kaiming Shen , Yaowen Zhang , Xin Li , Xin Chen , Zhi-Quan Luo

The pervasive nature of wireless telecommunication has made it the foundation for mainstream technologies like automation, smart vehicles, virtual reality, and unmanned aerial vehicles. As these technologies experience widespread adoption…

Information Theory · Computer Science 2023-07-21 Jaspreet Kaur , Satyam Bhatti , Olaoluwa R Popoola , Muhammad Ali Imran , Rami Ghannam , Qammer H Abbasi , Hasan T Abbas

Beam alignment is a key challenge in directional mmWave and THz systems, where narrow beams require accurate yet low-overhead training. Existing learning-based approaches typically predict a single beam and do not quantify uncertainty,…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Esraa Fahmy Othman , Lina Bariah , Merouane Debbah

Complexity reduction of optimal linear receiver is considered in a scenario where both the number of single-antenna user equipments (UEs) $K$ and base station (BS) antennas $N$ are large. Two-stage beamforming (TSB) greatly alleviates the…

Signal Processing · Electrical Eng. & Systems 2019-12-03 Hossein Asgharimoghaddam , Antti Tölli

Semantic communication has emerged as a promising technology for enhancing communication efficiency. However, most existing research emphasizes single-task reconstruction, neglecting model adaptability and generalization across multi-task…

Information Theory · Computer Science 2025-04-01 Weiwen Yuan , Jinke Ren , Chongjie Wang , Ruichen Zhang , Jun Wei , Dong In Kim , Shuguang Cui

Accurate Channel State Information (CSI) is critical for Hybrid Beamforming (HBF) tasks. However, obtaining high-resolution CSI remains challenging in practical wireless communication systems. To address this issue, we propose to utilize…

Systems and Control · Electrical Eng. & Systems 2025-11-11 Yuhang Li , Yang Lu , Bo Ai , Zhiguo Ding , Dusit Niyato , Arumugam Nallanathan

The space communications industry is challenged to develop a technology that can deliver broadband services to user terminals equipped with miniature antennas, such as handheld devices. One potential solution to establish links with ground…

We consider a network of agents that locate themselves in an environment through sensor measurements and aim to transmit a message signal to a base station via collaborative beamforming. The agents' sensor measurements result in…

Signal Processing · Electrical Eng. & Systems 2021-03-19 Erfaun Noorani , Yagiz Savas , Alec Koppel , John Baras , Ufuk Topcu , Brian M. Sadler

Seismic wave generation creates labeled waveform datasets for source parameter inversion, subsurface analysis, and, notably, training artificial intelligence seismology models. Traditionally, seismic wave generation has been time-consuming,…

Geophysics · Physics 2025-09-23 Longfei Duan , Zicheng Zhang , Lianqing Zhou , Congying Han , Lei Bai , Tiande Guo , Cuiping Zhao

Modeling the wireless radiance field (WRF) is fundamental to modern communication systems, enabling key tasks such as localization, sensing, and channel estimation. Traditional approaches, which rely on empirical formulas or physical…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Mufan Liu , Cixiao Zhang , Qi Yang , Yujie Cao , Yiling Xu , Yin Xu , Shu Sun , Mingzeng Dai , Yunfeng Guan

Wireless radiance field (WRF) reconstruction aims to learn a continuous, queryable representation of radio frequency characteristics over 3D space and direction, from which specific quantities, such as the spatial power spectrum (SPS) at a…

Signal Processing · Electrical Eng. & Systems 2026-04-30 Jinghan Zhang , Xitao Gong , Qi Wang , Richard A. Stirling-Gallacher , Giuseppe Caire

In traditional cache-enabled small-cell networks (SCNs), a user can suffer strong interference due to contentcentric base station association. This may degenerate the advantage of collaborative content caching among multiple small base…

Information Theory · Computer Science 2019-08-20 Xianzhe Xu , Meixia Tao

Unmanned aerial vehicle (UAV) is steadily growing as a promising technology for next-generation communication systems due to their appealing features such as wide coverage with high altitude, on-demand low-cost deployment, and fast…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Osamah A. Abdullah , Michael C. Batistatos , Hayder Al-Hraishawi

Neural receivers have demonstrated strong performance in wireless communication systems. However, their effectiveness typically depends on access to large-scale, scenario-specific channel data for training, which is often difficult to…

Information Theory · Computer Science 2025-11-04 Xingyu Zhou , Le Liang , Xinjie Li , Jing Zhang , Peiwen Jiang , Xiao Li , Shi Jin

Spatial aliasing affects spaced microphone arrays, causing directional ambiguity above certain frequencies, degrading spatial and spectral accuracy of beamformers. Given the limitations of conventional signal processing and the scarcity of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-21 Mateusz Guzik , Giulio Cengarle , Daniel Arteaga

The simulation of geological facies in an unobservable volume is essential in various geoscience applications. Given the complexity of the problem, deep generative learning is a promising approach to overcome the limitations of traditional…

Geophysics · Physics 2024-03-05 Ferdinand Bhavsar , Nicolas Desassis , Fabien Ors , Thomas Romary

Deep dynamic generative models are developed to learn sequential dependencies in time-series data. The multi-layered model is designed by constructing a hierarchy of temporal sigmoid belief networks (TSBNs), defined as a sequential stack of…

Machine Learning · Statistics 2015-09-24 Zhe Gan , Chunyuan Li , Ricardo Henao , David Carlson , Lawrence Carin

Accurate channel state information (CSI) is a critical bottleneck in modern wireless networks, with pilot overhead consuming 11\% to 21\% of transmission bandwidth and feedback delays causing severe throughput degradation under mobility.…

Signal Processing · Electrical Eng. & Systems 2026-02-11 Muhammad Umer , Muhammad Ahmed Mohsin , Ahsan Bilal , John M. Cioffi