559 citations · 1.9k across the 45 of their papers we have counts for
18 papers · 1 filter
Joint 3D User and 6D Hybrid Reconfigurable Intelligent Surface Localization
Reza Ghazalian, George C. Alexandropoulos, Gonzalo Seco-Granados +2
The latest assessments of the emerging technologies for reconfigurable intelligent surfaces (RISs) have indicated the concept's significant potential for localization and sensing,…
Robust Beamforming for Localization-Aided Millimeter Wave Communication Systems
Junchang Sun, Shuai Ma, Shiyin Li +3
In this letter, we investigate a robust beamforming problem for localization-aided millimeter wave (mmWave) communication systems. To handle this problem, we propose a novel restri…
Location-Based Timing Advance Estimation for 5G Integrated LEO Satellite Communications
Wenjin Wang, Tingting Chen, Rui Ding +3
Integrated satellite-terrestrial communications networks aim to exploit both the satellite and the ground mobile communications, thus providing genuine ubiquitous coverage. For 5G…
Position Information from Single-Bounce Reflections
Anastasios Kakkavas, Mario H. Castañeda García, Gonzalo Seco-Granados +3
In the context of positioning a target with a single-anchor, this contribution focuses on the Fisher information about the position, orientation and clock offset of the target prov…
Power Allocation and Parameter Estimation for Multipath-based 5G Positioning
Anastasios Kakkavas, Henk Wymeersch, Gonzalo Seco-Granados +3
We consider a single-anchor multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) system with imperfectly synchronized transmitter (Tx) and receiv…
On the Effect of Mutual Coupling in One-Bit Spatial Sigma-Delta Massive MIMO Systems
Hessam Pirzadeh, Gonzalo Seco-Granados, A. Lee Swindlehurst +1
The one-bit spatial Sigma-Delta concept has recently been proposed as an approach for achieving low distortion and low power consumption for massive multi-input multi-output system…
Performance Analysis for Autonomous Vehicle 5G-Assisted Positioning in GNSS-Challenged Environments
Zohair Abu-Shaban, Gonzalo Seco-Granados, Craig R. Benson +1
Standalone Global Navigation Satellite Systems (GNSS) are known to provide positioning accuracy of a few meters in open sky conditions. This accuracy can drop significantly when th…
Spectral Efficiency of One-Bit Sigma-Delta Massive MIMO
Hessam Pirzadeh, Gonzalo Seco-Granados, Shilpa Rao +1
We examine the uplink spectral efficiency of a massive MIMO base station employing a one-bit Sigma-Delta sampling scheme implemented in the spatial rather than the temporal domain.…
5G Downlink Multi-Beam Signal Design for LOS Positioning
Anastasios Kakkavas, Gonzalo Seco-Granados, Henk Wymeersch +3
In this work, we study optimal transmit strategies for minimizing the positioning error bound in a line-of-sight scenario, under different levels of prior knowledge of the channel…
Tracking Position and Orientation through Millimeter Wave Lens MIMO in 5G Systems
Arash Shahmansoori, Bernard Uguen, Giuseppe Destino +2
Millimeter wave signals and large antenna arrays are considered enabling technologies for future 5G networks. Despite their benefits for achieving high data rate communications, th…
Single-Anchor Two-Way Localization Bounds for 5G mmWave Systems
Zohair Abu-Shaban, Henk Wymeersch, Thushara Abhayapala +1
Recently, millimeter-wave (mmWave) 5G localization has been shown to be to provide centimeter-level accuracy, lending itself to many location-aware applications, e.g., connected au…
Performance Bounds for Finite Moving Average Change Detection: Application to Global Navigation Satellite Systems
Daniel Egea-Roca, Gonzalo Seco-Granados, José A. López-Salcedo +1
Due to the widespread deployment of Global Navigation Satellite Systems (GNSSs) for critical road or urban applications, one of the major challenges to be solved is the provision o…
Transmitter Beam Selection in Millimeter-wave MIMO with In-Band Position-Aiding
Gabriel E. Garcia, Gonzalo Seco-Granados, Eleftherios Karipidis +1
Emerging wireless communication systems will be characterized by a tight coupling between communication and positioning. This is particularly apparent in millimeter-wave (mm-wave)…
Error Bounds for Uplink and Downlink 3D Localization in 5G mmWave Systems
Zohair Abu-Shaban, Xiangyun Zhou, Thushara Abhayapala +2
Location-aware communication systems are expected to play a pivotal part in the next generation of mobile communication networks. Therefore, there is a need to understand the local…
Position and Orientation Estimation through Millimeter Wave MIMO in 5G Systems
Arash Shahmansoori, Gabriel E. Garcia, Giuseppe Destino +2
Millimeter wave signals and large antenna arrays are considered enabling technologies for future 5G networks. While their benefits for achieving high-data rate communications are w…
Optimal Design of Energy and Spectral Efficiency Tradeoff in One-Bit Massive MIMO Systems
Yongzhi Li, Cheng Tao, Amine Mezghani +3
This paper considers a single-cell massive multiple-input multiple-output (MIMO) system equipped with a base station (BS) that uses one-bit quantization and investigates the energy…
Channel Estimation and Performance Analysis of One-Bit Massive MIMO Systems
Yongzhi Li, Cheng Tao, Gonzalo Seco-Granados +3
This paper considers channel estimation and system performance for the uplink of a single-cell massive multiple-input multiple-output (MIMO) system. Each receive antenna of the bas…
Channel Estimation and Uplink Achievable Rates in One-Bit Massive MIMO Systems
Yongzhi Li, Cheng Tao, Liu Liu +2
This paper considers channel estimation and achievable rates for the uplink of a massive multiple-input multiple-output (MIMO) system where the base station is equipped with one-bi…