Multipath propagation ≈ Multipath propagation
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TCP Extensions for Multipath Operation with Multiple Addresses Open
TCP/IP communication is currently restricted to a single path per connection, yet multiple paths often exist between peers. The simultaneous use of these multiple paths for a TCP/IP session would improve resource usage within the network a…
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High-Accuracy Localization for Assisted Living: 5G systems will turn multipath channels from foe to friend Open
Asisted living (AL) technologies, enabled by technical advances such as the advent of the Internet of Things, are increasingly gaining importance in our aging society. This article discusses the potential of future high-accuracy localizati…
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Direct Localization for Massive MIMO Open
Large-scale MIMO systems are well known for their advantages in communications, but they also have the potential for providing very accurate localization, thanks to their high angular resolution. A difficult problem arising indoors and out…
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Near-Field Communications: A Tutorial Review Open
Extremely large-scale antenna arrays, tremendously high frequencies, and new types of antennas are three clear trends in multi-antenna technology for supporting the sixth-generation (6G) networks. To properly account for the new characteri…
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MultiPath: Multiple Probabilistic Anchor Trajectory Hypotheses for\n Behavior Prediction Open
Predicting human behavior is a difficult and crucial task required for motion\nplanning. It is challenging in large part due to the highly uncertain and\nmulti-modal set of possible outcomes in real-world domains such as autonomous\ndrivin…
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Multipath QUIC Open
Quick UDP Internet Connection (QUIC) is a recent protocol initiated by Google that combines the functions of HTTP/2, TLS, and TCP directly over UDP, with the goal to reduce the latency of client-server communication. It can replace the tra…
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Symbiotic Radio: Cognitive Backscattering Communications for Future Wireless Networks Open
The heterogenous wireless services and exponentially growing traffic call for novel spectrum- and energy-efficient wireless communication technologies. Recently, a new technique, called symbiotic radio (SR), is proposed to exploit the bene…
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LiFS Open
Device-free localization of people and objects indoors not equipped with radios is playing a critical role in many emerging applications. This paper presents an accurate model-based device-free localization system LiFS, implemented on chea…
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Framework for a Perceptive Mobile Network using Joint Communication and Radar Sensing Open
In this paper, we develop a framework for a novel perceptive mobile/cellular network that integrates radar sensing function into the mobile communication network. We propose a unified system platform that enables downlink and uplink sensin…
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Multipath Assisted Positioning with Simultaneous Localization and Mapping Open
This paper describes an algorithm that exploits multipath propagation for position estimation of mobile receivers. We apply a novel algorithm based on recursive Bayesian filtering, named Channel-SLAM. This approach treats multipath compone…
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Analytical Performance Assessment of THz Wireless Systems Open
This paper is focused on providing the analytical framework for the quantification and evaluation of the joint effect of misalignment fading and hardware imperfections in the presence of multipath fading at terahertz (THz) wireless fiber e…
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28 GHz Millimeter-Wave Ultrawideband Small-Scale Fading Models in Wireless Channels Open
This paper presents small-scale fading measurements for 28 GHz outdoor\nmillimeter-wave ultrawideband channels using directional horn antennas at the\ntransmitter and receiver. Power delay profiles were measured at half-wavelength\nspatial…
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A Survey on Multipath Routing Protocols for QoS Assurances in Real-Time Wireless Multimedia Sensor Networks Open
The vision of wireless multimedia sensor networks (WMSNs) is to provide real-time multimedia applications using wireless sensors deployed for long-term usage. Quality of service assurances for both best effort data and real-time multimedia…
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A Belief Propagation Algorithm for Multipath-Based SLAM Open
We present a simultaneous localization and mapping (SLAM) algorithm that is based on radio signals and the association of specular multipath components (MPCs) with geometric features. Especially in indoor scenarios, robust localization fro…
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A Bluetooth Low Energy Indoor Positioning System with Channel Diversity, Weighted Trilateration and Kalman Filtering Open
Indoor Positioning Systems (IPS) using Bluetooth Low Energy (BLE) technology are currently becoming real and available, which has made them grow in popularity and use. However, there are still plenty of challenges related to this technolog…
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Multi-Carrier $M$-ary DCSK System With Code Index Modulation: An Efficient Solution for Chaotic Communications Open
A new multi-carrier M-ary differential chaos shift keying system with code index modulation, referred to as CIMMC-M-DCSK, is proposed in this paper. In the proposed CIMMC-M-DCSK system, the reference and information-bearing signals for eac…
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TagScan Open
Target imaging and material identification play an important role in many real-life applications. This paper introduces TagScan, a system that can identify the material type and image the horizontal cut of a target simultaneously with chea…
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Receiver-Autonomous Spoofing Detection: Experimental Results of a Multi-antenna Receiver Defense Against a Portable Civil GPS Spoofer Open
In this work we demonstrate the use of a dual antenna \nreceiver that employs a receiver-autonomous angle-ofarrival \nspoofing countermeasure. This defense is \nconjectured to be effective against all but the most sophisticated spoofing at…
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GNSS multipath detection using a machine learning approach Open
Insufficient localization accuracy of global navigation satellite system (GNSS) receivers is one of the challenges to implement advanced intelligent transportation system in highly urbanized areas. Multipath and non-line-of-sight (NLOS) ef…
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Deep learning based wireless localization for indoor navigation Open
Location services, fundamentally, rely on two components: a mapping system and a positioning system. The mapping system provides the physical map of the space, and the positioning system identifies the position within the map. Outdoor loca…
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Multipath Triangulation Open
Decimeter-level localization has become a reality, in part due to the ability to eliminate the effects of multipath interference. In this paper, we demonstrate the ability to use multipath reflections to enhance localization rather than th…
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Assessment of Dual Frequency GNSS Observations from a Xiaomi Mi 8 Android Smartphone and Positioning Performance Analysis Open
On May 2018 the world’s first dual-frequency Global Navigation Satellite System (GNSS) smartphone produced by Xiaomi equipped with a Broadcom BCM47755 chip was launched. It is able to receive L1/E1/ and L5/E5 signals from GPS, Galileo, Bei…
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UWB Indoor Localization Using Deep Learning LSTM Networks Open
Localization using ultra-wide band (UWB) signals gives accurate position results for indoor localization. The penetrating characteristics of UWB pulses reduce the multipath effects and identify the user position with precise accuracy. In U…
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The Design and Implementation of a Mobile RFID Tag Sorting Robot Open
Libraries, manufacturing lines, and offices of the future all stand to benefit from knowing the exact spatial order of RFID-tagged books, components, and folders, respectively. To this end, radio-based localization has demonstrated the pot…
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60-GHz Millimeter-Wave Channel Measurements and Modeling for Indoor Office Environments Open
The millimeter-wave (mmWave) band will be used for the fifth-generation communication systems. In this paper, 60-GHz mmWave channel measurements and modeling are carried out for indoor office environments. The rotated directional antenna-b…
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Tightly Coupled GNSS/INS Integration via Factor Graph and Aided by Fish-Eye Camera Open
GNSS/INS integrated solution has been extensively studied over the past decades. However, its performance relies heavily on environmental conditions and sensor costs. The GNSS positioning can obtain satisfactory performance in the open are…
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Review of Indoor Positioning: Radio Wave Technology Open
The indoor positioning system (IPS) is becoming increasing important in accurately determining the locations of objects by the utilization of micro-electro-mechanical-systems (MEMS) involving smartphone sensors, embedded sources, mapping l…
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An RFID Indoor Positioning Algorithm Based on Bayesian Probability and K-Nearest Neighbor Open
The Global Positioning System (GPS) is widely used in outdoor environmental positioning. However, GPS cannot support indoor positioning because there is no signal for positioning in an indoor environment. Nowadays, there are many situation…
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Performance Analysis of Hybrid FSO Systems Using FSO/RF-FSO Link Adaptation Open
Free-space optical (FSO) links are considered as cost-effective, non-invasive alternative to fiber optic cables for 5G cellular backhaul networking. For FSO based backhaul networks we propose an additional millimeter-wavelength (MMW) radio…
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Reconfigurable Intelligent Surfaces for Rich Scattering Wireless Communications: Recent Experiments, Challenges, and Opportunities Open
Recent advances in the fabrication and experimentation of Reconfigurable\nIntelligent Surfaces (RISs) have motivated the concept of the smart radio\nenvironment, according to which the propagation of information-bearing\nwaveforms in the w…