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We study the problem of optimal power allocation in a single-hop ad hoc wireless network. In solving this problem, we depart from classical purely model-based approaches and propose a hybrid method that retains key modeling elements in…

Signal Processing · Electrical Eng. & Systems 2021-04-12 Arindam Chowdhury , Gunjan Verma , Chirag Rao , Ananthram Swami , Santiago Segarra

We study the problem of optimal power allocation in a single-hop ad hoc wireless network. In solving this problem, we propose a hybrid neural architecture inspired by the algorithmic unfolding of the iterative weighted minimum mean squared…

Signal Processing · Electrical Eng. & Systems 2021-02-02 Arindam Chowdhury , Gunjan Verma , Chirag Rao , Ananthram Swami , Santiago Segarra

Over-the-air computation (AirComp) has emerged as a promising technology that enables simultaneous transmission and computation through wireless channels. In this paper, we investigate the networked AirComp in multiple clusters allowing…

Signal Processing · Electrical Eng. & Systems 2025-05-19 Xiao Tang , Huirong Xiao , Chao Shen , Li Sun , Qinghe Du , Dusit Niyato , Zhu Han

The aggressive densification of modern wireless networks necessitates judicious resource allocation to mitigate severe mutual interference. However, classical iterative algorithms remain computationally prohibitive for real-time…

Machine Learning · Computer Science 2026-04-10 Yucheng Sheng , Jiacheng Wang , Le Liang , Hao Ye , Shi Jin

Power allocation is one of the fundamental problems in wireless networks and a wide variety of algorithms address this problem from different perspectives. A common element among these algorithms is that they rely on an estimation of the…

Signal Processing · Electrical Eng. & Systems 2022-01-11 Arindam Chowdhury , Fernando Gama , Santiago Segarra

Power consumption is a major limitation in the downlink of multibeam satellite systems, since it has a significant impact on the mass and lifetime of the satellite. In this context, we study a new energy-aware power allocation problem that…

Networking and Internet Architecture · Computer Science 2020-02-11 Christos N. Efrem , Athanasios D. Panagopoulos

As a wide class of resource management problems in wireless communications are nonconvex and even NP-hard in many cases, finding globally optimal solutions to these problems is of little practical interest. Towards more pragmatic…

Information Theory · Computer Science 2017-04-17 Quang-Doanh Vu , Markku Juntti , Een-Kee Hong , Le-Nam Tran

We develop an efficient and near-optimal solution for beamforming in multi-user multiple-input-multiple-output single-hop wireless ad-hoc interference networks. Inspired by the weighted minimum mean squared error (WMMSE) method, a classical…

Signal Processing · Electrical Eng. & Systems 2023-04-04 Arindam Chowdhury , Gunjan Verma , Ananthram Swami , Santiago Segarra

Transmit power control (TPC) is a key mechanism for managing interference, energy utilization, and connectivity in wireless systems. In this paper, we propose a simple low-complexity TPC algorithm based on the deep unfolding of the…

Machine Learning · Computer Science 2023-06-22 Ramoni Adeogun

We consider stochastic optimization of a smooth non-convex loss function with a convex non-smooth regularizer. In the online setting, where a single sample of the stochastic gradient of the loss is available at every iteration, the problem…

Optimization and Control · Mathematics 2021-09-01 Basil M. Idrees , Javed Akhtar , Ketan Rajawat

Accurate electricity demand forecasting is essential for several reasons, especially as the integration of renewable energy sources and the transition to a decentralized network paradigm introduce greater complexity and uncertainty. The…

Machine Learning · Computer Science 2026-05-12 Eloi Campagne , Yvenn Amara-Ouali , Yannig Goude , Argyris Kalogeratos

In this work, we conduct a comparative study on two deep unfolding mechanisms to efficiently perform power control in the next generation wireless networks. The power control problem is formulated as energy efficiency over multiple…

Networking and Internet Architecture · Computer Science 2024-03-29 Abuzar B. M. Adam , Mohammed A. M. Elhassan , Elhadj Moustapha Diallo

Deep learning is widely used in wireless communications but struggles with fixed neural network sizes, which limit their adaptability in environments where the number of users and antennas varies. To overcome this, this paper introduced a…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Mingjun Sun , Shaochuan Wu , Haojie Wang , Yuanwei Liu , Guoyu Li , Tong Zhang

Weighted-sum energy efficiency (WSEE) is a key performance metric in heterogeneous networks, where the nodes may have different energy efficiency (EE) requirements. Nevertheless, WSEE maximization is a challenging problem due to its…

Networking and Internet Architecture · Computer Science 2019-12-02 Christos N. Efrem , Athanasios D. Panagopoulos

Sparse principal component analysis (PCA) is a well-established dimensionality reduction technique that is often used for unsupervised feature selection (UFS). However, determining the regularization parameters is rather challenging, and…

Machine Learning · Computer Science 2025-04-07 Long Chen , Xianchao Xiu

We propose an interpretable graph neural network framework to denoise single or multiple noisy graph signals. The proposed graph unrolling networks expand algorithm unrolling to the graph domain and provide an interpretation of the…

Signal Processing · Electrical Eng. & Systems 2021-09-08 Siheng Chen , Yonina C. Eldar , Lingxiao Zhao

Deep unrolling, or unfolding, is an emerging learning-to-optimize method that unrolls a truncated iterative algorithm in the layers of a trainable neural network. However, the convergence guarantees and generalizability of the unrolled…

Machine Learning · Computer Science 2024-12-02 Samar Hadou , Navid NaderiAlizadeh , Alejandro Ribeiro

Downlink beamforming is a key technology for cellular networks. However, computing the transmit beamformer that maximizes the weighted sum rate subject to a power constraint is an NP-hard problem. As a result, iterative algorithms that…

Signal Processing · Electrical Eng. & Systems 2020-06-16 Lissy Pellaco , Mats Bengtsson , Joakim Jaldén

In this paper we propose resource allocation algorithm for uplink sparse code multiple access (SCMA) networks to maximize the energy efficiency (EE). Due to the joint optimization of factor graph matrix and power allocation matrix, the EE…

Signal Processing · Electrical Eng. & Systems 2020-04-22 Samira Jaber , Wen Chen , Kunlun Wang , Jun Li

As a key component of low-altitude economic networks, aerial base stations (AeBSs) provide flexible and reliable wireless coverage to support 6G ultra-reliable and low-latency communication (URLLC) services. However, limited spectrum…

Networking and Internet Architecture · Computer Science 2025-07-08 Xudong Wang , Lei Feng , Jiacheng Wang , Hongyang Du , Changyuan Zhao , Wenjing Li , Zehui Xiong , Dusit Niyato , Ping Zhang
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