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In this letter, we investigate the direction-of-arrival (DOA) estimation problem for wireless sensing with movable antenna (MA) systems in the presence of unknown antenna position errors (APE). To achieve robust wireless sensing, we…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Chengzhi Ye , Ruoyu Zhang , Wen Wu , Byonghyo Shim

As we move towards 6G, the demand for high-precision, cost-effective positioning solutions becomes increasingly critical. Single-anchor positioning offers a promising alternative to traditional multi-anchor approaches, particularly in…

Signal Processing · Electrical Eng. & Systems 2026-01-06 Thodoris Spanos , Fran Fabra , José A. López-Salcedo , Gonzalo Seco-Granados , Nikos Kanistras , Ivan Lapin , Vassilis Paliouras

Sensing emerges as a critical challenge in 6G networks, which require simultaneous communication and target sensing capabilities. State-of-the-art super-resolution techniques for the direction of arrival (DoA) estimation encounter…

Signal Processing · Electrical Eng. & Systems 2025-06-17 Murat Babek Salman , Emil Björnson

This paper introduces a signal strength-based direction of arrival (DOA) estimation approach for directional sensors that explicitly accounts for missed detections. In traditional phase-based DOA estimation frameworks, negative information…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Gustav Zetterqvist , Fredrik Gustafsson , Gustaf Hendeby

mmWave communication has come up as the unexplored spectrum for 5G services. With new standards for 5G NR positioning, more off-the-shelf platforms and algorithms are needed to perform indoor positioning. An object can be accurately…

Signal Processing · Electrical Eng. & Systems 2024-03-15 Neharika Valecha , Jesus Omar Lacruz , Michael Lentmaier , Joerg Widmer , Fredrik Tufvesson

This work analyses the performance-complexity tradeoff for different direction of arrival (DoA) estimation techniques. Such tradeoff is investigated taking into account uniform linear array structures. Several DoA estimation techniques have…

Signal Processing · Electrical Eng. & Systems 2020-02-06 Edno Gentilho , Paulo Rogério Scalassara , Taufik Abrão

Estimating the direction of arrival (DOA) of sources is an important problem in aerospace and vehicular communication, localization and radar. In this paper, we consider a challenging multi-source DOA estimation task, where the receiving…

Signal Processing · Electrical Eng. & Systems 2022-02-17 Tom Tirer , Oded Bialer

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

In this article, we address the prospects and key enabling technologies for highly efficient and accurate device positioning and tracking in 5G radio access networks. Building on the premises of ultra-dense networks as well as on the…

Information Theory · Computer Science 2016-11-28 Mike Koivisto , Mário Costa , Janis Werner , Kari Heiska , Jukka Talvitie , Kari Leppänen , Visa Koivunen , Mikko Valkama

Direction-of-arrival (DoA) is a critical parameter in wireless channel estimation. With the ever-increasing requirement of high data rate and ubiquitous devices in wireless communication systems, effective wideband DoA estimation is…

Signal Processing · Electrical Eng. & Systems 2023-11-21 Xiaorui Ding , Wenbo Xu , Yue Wang

High-precision direction-of-arrival (DOA) estimation, as a key sensing capability for 6G-enabled applications such as autonomous driving and extended reality, is increasingly dependent on the effective exploitation of spatial degrees of…

Signal Processing · Electrical Eng. & Systems 2026-04-16 Ye Tian , Jiaji Ren , Tuo Wu , Wei Liu , Maged Elkashlan , Matthew C. Valenti , Naofal Al-Dhahir , Hing Cheung So

Joint communication and sensing allows the utilization of common spectral resources for communication and localization, reducing the cost of deployment. By using fifth generation (5G) New Radio (NR) (i.e., the 3rd Generation Partnership…

Information Theory · Computer Science 2021-03-08 O. Kanhere , S. Goyal , M. Beluri , T. S. Rappaport

With the advent of extremely large-scale MIMO (XL-MIMO), mmWave/THz bands and ultra-wideband transmission, future 6G systems demand real-time positioning with centimeter or even millimeter level accuracy. This paper addresses the pronounced…

Information Theory · Computer Science 2025-09-22 Aibiao Zhang , Weizheng Zhang , Chiya Zhang

Accurate and low-power indoor localization is becoming more and more of a necessity to empower novel consumer and industrial applications. In this field, the most promising technology is based on UWB modulation; however, current UWB…

Signal Processing · Electrical Eng. & Systems 2023-12-22 Tobias Margiani , Silvano Cortesi , Milena Keller , Christian Vogt , Tommaso Polonelli , Michele Magno

As massive multiple-input multiple-output (MIMO) becomes popular, direction of arrival (DOA) measurement has been made a real renaissance due to the high-resolution achieved. Thus, there is no doubt about DOA estimation using massive MIMO.…

Information Theory · Computer Science 2023-07-18 Jiangzhou Wang , Baihua Shi , Feng Shu , Qi Zhang , Di Wu , Qijuan Jie , Zhihong Zhuang , Siling Feng , Yijin Zhang

In this paper, we introduce a direction of arrival (DoA) estimation method based on a technique named phase spectrometry (PS) that is mainly suitable for mm-Wave and Tera-hertz applications as an alternative for DoA estimation using antenna…

Signal Processing · Electrical Eng. & Systems 2021-08-04 Farzam Hejazi , Nazanin Rahnavard

5G New Radio Time of Arrival (ToA) data has the potential to revolutionize indoor localization for micro aerial vehicles (MAVs). However, its performance under varying network setups, especially when combined with IMU data for real-time…

Robotics · Computer Science 2024-05-03 Meisam Kabiri , Claudio Cimarelli , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Movable Antenna (MA) technology is emerging as a promising advancement with the potential to significantly enhance the performance of future wireless communication and sensing systems. In this paper, we address two-dimensional (2D)…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Chengzhi Ye , Ruoyu Zhang , Lei Yao , Wen Wu

In this paper, we study probabilistic time-of-arrival (ToA) and angle-of-arrival (AoA) joint localization in real indoor environments. To mitigate the effects of multipath propagation, the joint localization algorithm incorporates into the…

Networking and Internet Architecture · Computer Science 2021-04-01 Chunhua Geng , Traian E. Abrudan , Veli-Matti Kolmonen , Howard Huang

With the application of high-frequency communication and extremely large MIMO (XL-MIMO), the near-field effect has become increasingly apparent. The near-field channel estimation and position estimation problems both rely on the Angle of…

Information Theory · Computer Science 2024-12-19 Xiyuan Liu , Qingqing Wu , Rui Wang , Jun Wu