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Initial access is the process which allows a mobile user to first connect to a cellular network. It consists of two main steps: cell search (CS) on the downlink and random access (RA) on the uplink. Millimeter wave (mmWave) cellular systems…

Information Theory · Computer Science 2017-03-27 Yingzhe Li , Jeffrey G. Andrews , Francois Baccelli , Thomas D. Novlan , Charlie Zhang

A wireless sensing architecture via pinching antenna systems is proposed. Compared to conventional wireless systems, PASS offers flexible antenna deployment and improved probing performance for wireless sensing by leveraging dielectric…

Signal Processing · Electrical Eng. & Systems 2025-05-22 Zhaolin Wang , Chongjun Ouyang , Yuanwei Liu , Arumugam Nallanathan

We propose using Carrier Sensing (CS) for distributed interference management in millimeter-wave (mmWave) cellular networks where spectrum is shared by multiple operators that do not coordinate among themselves. In addition, even the base…

Information Theory · Computer Science 2021-02-25 Shamik Sarkar , Xiang Zhang , Arupjyoti Bhuyan , Mingyue Ji , Sneha Kumar Kasera

This work investigates a multibeam system for joint sensing and communication (JSC) based on multiple-input multiple-output (MIMO) 5G new radio (NR) waveforms. In particular, we consider a base station (BS) acting as a monostatic sensor…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Lorenzo Pucci , Enrico Paolini , Andrea Giorgetti

Wireless telemonitoring of physiological signals is an important topic in eHealth. In order to reduce on-chip energy consumption and extend sensor life, recorded signals are usually compressed before transmission. In this paper, we adopt…

Information Theory · Computer Science 2014-03-06 Benyuan Liu , Zhilin Zhang , Gary Xu , Hongqi Fan , Qiang Fu

Compressive sensing is the newly emerging method in information technology that could impact array beamforming and the associated engineering applications. However, practical measurements are inevitably polluted by noise from external…

Information Theory · Computer Science 2013-07-12 Siyang Zhong , Xun Huang

Compressive sensing (CS) is a signal processing technique that enables sub-Nyquist sampling and near lossless reconstruction of a sparse signal. The technique is particularly appealing for neural signal processing since it avoids the issues…

Signal Processing · Electrical Eng. & Systems 2021-02-02 Hyunseok Park , Xilin Liu

Beamforming techniques have been widely used in the millimeter wave (mmWave) bands to mitigate the path loss of mmWave radio links as the narrow straight beams by directionally concentrating the signal energy. However, traditional mmWave…

Information Theory · Computer Science 2023-04-03 Kan Zheng , Haojun Yang , Ziqiang Ying , Pengshuo Wang , Lajos Hanzo

Cognitive radio (CR) networks face significant challenges in spectrum sensing, especially under spectrum scarcity. Fluid antenna systems (FAS) can offer an unorthodox solution due to their ability to dynamically adjust antenna positions for…

Signal Processing · Electrical Eng. & Systems 2024-11-14 Junteng Yao , Ming Jin , Tuo Wu , Maged Elkashlan , Chau Yuen , Kai-Kit Wong , George K. Karagiannidis , Hyundong Shin

The evolution of next-generation wireless networks has spurred the vigorous development of the low-altitude economy (LAE). To support this emerging field while remaining compatible with existing network architectures, integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2025-11-19 Haisu Wu , Hong Ren , Cunhua Pan , Boshi Wang , Jun Tang , Haoyang Weng , Feng Shu , Jiangzhou Wang

Millimeter-wave (mmWave) 5G New Radio (NR) communication systems, with their high-resolution antenna arrays and extensive bandwidth, offer a transformative opportunity for high-throughput data transmission and advanced environmental…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Tao Du , Jie Yang , Fan Liu , Jiaxiang Guo , Shuqiang Xia , Chao-Kai Wen , Shi Jin

Initial cell search and selection is one of the first few essential steps that a mobile device must perform to access a mobile network. The distinct features of 5G bring new challenges to the design of initial cell search and selection. In…

Networking and Internet Architecture · Computer Science 2019-05-22 Ning Wei , Xingqin Lin , Guangrong Yue , Zhongpei Zhang

This paper presents a novel, model-based compressive antenna design method for high sensing capacity imaging applications. Given a set of design constraints, the method maximizes the sensing capacity of the compressive antenna by varying…

Optimization and Control · Mathematics 2015-10-06 Richard Obermeier , Jose Angel Martinez-Lorenzo

Millimeter Wave (mmWave) band provides a large spectrum to meet the high-demand capacity by the 5th generation (5G) wireless networks. However, to fully exploit the available spectrum, obstacles such as high path loss, channel sparsity, and…

Information Theory · Computer Science 2018-07-16 Mojtaba Ahmadi Almasi , Roohollah Amiri , Hani Mehrpouyan

Hybrid beamforming is a promising concept to achieve high data rate transmission at millimeter waves. To implement it in a transceiver, many references optimally adapt to a high-dimensional multi-antenna channel but more or less ignore the…

Information Theory · Computer Science 2018-02-28 Hsiao-Lan Chiang , Wolfgang Rave , Tobias Kadur , Gerhard Fettweis

Millimeter wave channels exhibit structure that allows beam alignment with fewer channel measurements than exhaustive beam search. From a compressed sensing (CS) perspective, the received channel measurements are usually obtained by…

Signal Processing · Electrical Eng. & Systems 2019-11-13 Nitin Jonathan Myers , Yuyang Wang , Nuria González-Prelcic , Robert W. Heath

Considering both non-line-of-sight (NLoS) and line-of-sight (LoS) transmissions, the transitional behaviors from noise-limited regime to dense interference-limited regime have been investigated for the fifth generation (5G) small cell…

Networking and Internet Architecture · Computer Science 2018-01-16 Bin Yang , Guoqiang Mao , Ming Ding , Xiaohu Ge , Xiaofeng Tao

This paper presents a comprehensive analysis and performance enhancement of short block length channel detection incorporating training information. The current communication systems' short block length channel detection typically consists…

Information Theory · Computer Science 2025-11-25 Mody Sy , Raymond Knopp

Future cellular networks are intended to have the ability to sense the environment by utilizing reflections of transmitted signals. Multi-dimensional sensing brings along the crucial advantage of being able to resort to multiple domains to…

Signal Processing · Electrical Eng. & Systems 2022-05-23 Marcus Henninger , Silvio Mandelli , Maximilian Arnold , Stephan ten Brink

In this paper, we investigate a Bayesian sparse reconstruction algorithm called compressive sensing via Bayesian support detection (CS-BSD). This algorithm is quite robust against measurement noise and achieves the performance of a minimum…

Information Theory · Computer Science 2012-05-15 Jaewook Kang , Heung-No Lee , Kiseon Kim