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Related papers: Antenna Coding Optimization for Pixel Antenna Empo…

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Pixel antennas, based on discretizing a continuous radiation surface into small elements called pixels, are a flexible reconfigurable antenna technology. By controlling the connections between pixels via switches, the characteristics of…

Signal Processing · Electrical Eng. & Systems 2025-10-03 Shanpu Shen , Kai-Kit Wong , Ross Murch

This work investigates exploiting the potential of pixel antennas, which are a reconfigurable antenna technology that can flexibly adjust the antenna characteristics through antenna coding, in multi-user transmissions. To that end, we…

Signal Processing · Electrical Eng. & Systems 2025-12-12 Hongyu Li , Shanpu Shen

An antenna coding approach for exploiting the spatial multiplexing capability of pixel antennas is proposed. This approach can leverage additional degrees of freedom in the beamspace domain to transmit more information streams. Pixel…

Signal Processing · Electrical Eng. & Systems 2025-12-08 Zixiang Han , Shanpu Shen , Ross Murch

We investigate antenna coding utilizing pixel antennas as a new degree of freedom for enhancing multiple-input multiple-output (MIMO) wireless power transfer (WPT) systems. The objective is to enhance the output direct current (DC) power…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Yijun Chen , Shanpu Shen , Tianrui Qiao , Hongyu Li , Kai-Kit Wong , Ross Murch

This paper investigates antenna coding based on pixel antennas as a new degree of freedom for enhancing multiple-input multiple-output (MIMO) wireless power transfer (WPT) systems. Antenna coding is closely related to the Fluid Antenna…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Yijun Chen , Shanpu Shen , Tianrui Qiao , Hongyu Li , Jun Qian , Ross Murch

Pixel antenna is a promising technology to enhance the wireless communication data rate by adaptively reconfiguring each antenna's radiation pattern via a so-called antenna coding technique which controls the states of switches connected to…

Information Theory · Computer Science 2025-11-18 Shenrui Lin , Shuowen Zhang

This work investigates antenna coding optimization to enhance the channel capacity of single-input single-output orthogonal frequency division multiplexing (SISO-OFDM) systems empowered by highly reconfigurable pixel antennas. We first…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Tianrui Qiao , Shanpu Shen , Yijun Chen , Ross Murch

Cognitive communications have emerged as a promising solution to enhance, adapt, and invent new tools and capabilities that transcend conventional wireless networks. Deep learning (DL) is critical in enabling essential features of cognitive…

Signal Processing · Electrical Eng. & Systems 2022-04-05 Ahmet M. Elbir , Kumar Vijay Mishra

Existing communication systems exhibit inherent limitations in translating theory to practice when handling the complexity of optimization for emerging wireless applications with high degrees of freedom. Deep learning has a strong potential…

Networking and Internet Architecture · Computer Science 2020-05-14 Tugba Erpek , Timothy J. O'Shea , Yalin E. Sagduyu , Yi Shi , T. Charles Clancy

Efficient heterogeneous communication technologies are critical components to provide flawless connectivity in smart cities. The proliferation of wireless technologies, services and communication devices has created the need for green and…

Information Theory · Computer Science 2017-10-13 Vaibhav Kumar , Barry Cardiff , Mark F. Flanagan

The semantic information of the image for intelligent tasks is hidden behind the pixels, and slight changes in the pixels will affect the performance of intelligent tasks. In order to preserve semantic information behind pixels for…

Image and Video Processing · Electrical Eng. & Systems 2022-08-25 Qizheng Sun , Caili Guo , Yang Yang , Jiujiu Chen , Rui Tang , Chuanhong Liu

The evolution of wireless communication systems requires flexible, energy-efficient, and cost-effective antenna technologies. Pinching antennas (PAs), which can dynamically control electromagnetic wave propagation through binary activation…

In designing wireless sensor networks, it is important to reduce energy dissipation and prolong network lifetime. In this paper, a new model with energy and monitored objects heterogeneity is proposed for heterogeneous wireless sensor…

Networking and Internet Architecture · Computer Science 2011-06-01 Tang Liu , Jian Peng , Jin Yang , Chunli Wang

The growing demand for high-speed data, quality of service (QoS) assurance and energy efficiency has triggered the evolution of 4G LTE-A networks to 5G and beyond. Interference is still a major performance bottleneck. This paper studies the…

Networking and Internet Architecture · Computer Science 2016-11-17 Ajay Thampi , Soung Chang Liew , Simon Armour , Zhong Fan , Lizhao You , Dritan Kaleshi

This paper considers a downlink cell-free multiple-input multiple-output (MIMO) network in which multiple multi-antenna access points (APs) serve multiple users via coherent joint transmission. In order to reduce the energy consumption by…

Information Theory · Computer Science 2025-02-04 Liangzhi Wang , Chen Chen , Jie Zhang , Carlo Fischione

This paper proposes a novel deep learning-based error correction coding scheme for AWGN channels under the constraint of one-bit quantization in the receivers. Specifically, it is first shown that the optimum error correction code that…

Information Theory · Computer Science 2019-09-27 Eren Balevi , Jeffrey G. Andrews

Efficient resource allocation with hybrid precoder design is essential for massive MIMO systems operating in millimeter wave (mmW) domain. Owing to a higher energy efficiency and a lower complexity of a partially connected hybrid…

Information Theory · Computer Science 2021-02-03 Salman Khalid , Waqas bin Abbas , Farhan Khalid

This paper introduces a highly efficient rectenna (rectifying antenna) using a binary optimization algorithm. A novel pixelated receiving antenna has been developed to match the diode impedance of a rectifier, eliminating the need for a…

Systems and Control · Electrical Eng. & Systems 2024-09-10 Rasool Keshavarz , Md. Amanath Ullah , Ali Raza , Negin Shariati

By allowing a large number of links to be simultaneously transmitted, directional antenna arrays with beamforming have been envisioned as a promising candidate to reach unprecedented levels of spatial isolation. To achieve the high…

Information Theory · Computer Science 2019-01-16 Yilin Li , Jian Luo , Richard A. Stirling-Gallacher , Giuseppe Caire

Using single-pixel detection, the end-to-end neural network that jointly optimizes both encoding and decoding enables high-precision imaging and high-level semantic sensing. However, for varied sampling rates, the large-scale network…

Image and Video Processing · Electrical Eng. & Systems 2022-01-11 Xinrui Zhan , Liheng Bian , Chunli Zhu , Jun Zhang
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