Results 91 to 100 of about 3,774 (206)
Efficient Channel AoD/AoA Estimation Using Widebeams for Millimeter Wave MIMO Systems
, 2019 Using millimeter-wave (mmWave) bands is expected to provide high data rates through large licensed and unlicensed spectrum. Due to large path loss and sparse scattering propagation properties, proper beam alignment is important in mmWave systems.
Lee, Hyeongtaek +5 more
core +1 more source
IEEE Photonics JournalCoarse-to-fine partitioning (CFP) algorithm is proposed for angle-of-arrival (AoA) estimation with a controllable liquid crystal display (LCD) in front of a photodetector (PD). By electrically switching each pixel of the LCD in transparent or opaque, the
Ryunosuke Fukuda +3 more
doaj +1 more source
A Hybrid Distance Estimation for Wireless Body Sensor Networks
International Journal of Distributed Sensor Networks, 2013 Wireless body area networks become a new research issue in recent years. In this paper, we propose hibernation and distance estimation schemes for wireless USB (WUSB) over wireless body area networks (WBAN) hierarchical protocol for body sensor networks (
Kyeong Hur, Won-Sung Sohn, Jae-Kyung Kim
doaj +1 more source
A preliminary analysis of 5G uplink AoA estimation
LAUREA MAGISTRALELa rapida crescita della domanda di localizzazione precisa ha evidenziato la necessità di sistemi di posizionamento affidabili e accurati.
Kaya, Ecem Izde
core
LEO-Based Coarse Positioning Through Angle-of-Arrival Estimation of Signals of Opportunity
IEEE AccessThis work introduces a novel coarse positioning system based on the estimation of the Angles-of-Arrival (AoAs) of Signals of Opportunity from a spacecraft in the Low Earth Orbit.
Antonello Florio +5 more
doaj +1 more source
Hybrid TOA/AOA estimation error test and non-line of sight identification in wireless location
, 2014 [[abstract]]In this paper, a modified time-of-arrival (TOA) estimation error test and a hybrid time-of-arrival-angle-of-arrival (TOA-AOA) estimation error test for identification of line of sight (LOS) base stations (BSs) are proposed.
C.-D.Wann;H.-Y.Lin
core +1 more source
Uncertainty estimation in AoA based localization using PCE
, 2018 info:eu-repo/semantics ...
van Der Vorst, Thomas +6 more
openaire +2 more sources
An AOA Estimation Algorithm for 5G Positioning Technology
Academic Journal of Science and TechnologyAmong the many positioning technologies, AOA (Angle of Arrival), as one of the most basic wireless positioning technologies, can be fused with other positioning technologies to achieve higher positioning accuracy. In this paper, the principle and implementation process of the MUSIC algorithm are studied according to the application requirements of AOA ...
Zhifei Luo, Jun Dai, Xuelin Han
openaire +1 more source
Effect of the bandwidth on the accuracy of AOA estimation algorithms in a multipath environment
, 2014 NoThis paper investigates the effect of channel bandwidth on the accuracy of AOA estimation algorithms based on the detection of the direct path. The accurate detection of the Line of Sight (LOS) signal in a multipath environment is crucial for reliable ...
R. A. Alhameed +15 more
core +1 more source
Tongxin xuebao, 2016 Traditional pseudo-Doppler bearing estimation algorithm could accurately calculate the angle of arrival (AOA) with Gaussian noise and high signal to noise ratio (SNR), but it was less robust with stable distribution noise. To over-come these shortcomings,
shuang QIUTian, zhe QIYin
doaj +2 more sources