NLOS error
Improved NLOS Error Mitigation Based on LTS Algorithm
... The NLOS challenge is divided mainly into two parts [8], ...by NLOS error, is ...analyses error mitigation caused by NLOS signal propagation, and numerous research works have been ...
7
A TOA-AOA-Based NLOS Error Mitigation Method for Location Estimation
... evaluate NLOS propagation level, can be estimated by the proposed ...different NLOS error models and with two scenarios of cell ...with NLOS error effectively, and it is attractive for ...
14
TOA localization for multipath and NLOS environment with virtual stations
... the NLOS error, whereas the distributions of NLOS error may not be available in the practical ...the NLOS and multipath problem in ...
7
Fuzzy modeling, maximum likelihood estimation, and Kalman filtering for target tracking in NLOS scenarios
... measurement error consist of a noise component and a bias component, both of which are random ...[2]. NLOS propagation also makes it difficult to model accurately the received signal ...Thus, NLOS ...
16
Mobile Position Estimation based on Three Angles of Arrival using an Interpolative Neural Network
... the NLOS effect by the weighted sum of the intersections between the TOA circles and the AOA ...on NLOS range ...the NLOS error and the relationship between the true ...
5
Identification & Mitigation of NLOS Information for UWB based Indoor Localization
... the NLOS error ...by NLOS conditions. The paper then explains how AoA assisted error mitigation can assist by selecting paths that are closest to the previous sampling ...AoA-assisted ...
81
Identification and Mitigation of NLOS based on Channel Information Rules for Indoor UWB Localization
... an NLOS measurement, it must be determined if the measured distance contains NLOS ...positive error bias when NLOS ...and NLOS is classified as Soft NLOS and Hard ...’Hard’ ...
75
A Practical Target Tracking Technique in Sensor Network Using Clustering Algorithm
... or NLOS and those NLOS ones being discarded, to do target tracking is proposed [7]; extended Kalman filter (EKF) algorithm is applied accordingly to do the target tracking ...by NLOS errors is ...
9
Hybrid Real Time and Preset Processing for Indoor Radio Geo Location in Dense Multipath Environments
... which combines the CIR-based FP geo-location with polygonal arrangement of training nodes and iterative- TOA real time geo-location methods. The proposed hy- brid method follows a Levenberg-Marquardt based itera- tive ...
11
Moving target localization in indoor wireless sensor networks mixed with LOS/NLOS situations
... approach is adopted for NLOS mitigation. Some re- searchers propose soft-decision algorithms without NLOS identification and discarding [26-28]. In [26,27], Chen uses a residual weighting (RWgh)-based algo- ...
10
An error in temporal error theory
... and error theorist ...of error theories in section 1, we said that a view may be thought error theoretic just in case either the domain of discourse at least appears to quantify over entities that do ...
17
MIMO performance of a planar logarithmically periodic antenna with respect to measured channel matrices
... The next step is to analyze the results for the NLOS case. According to section 2.3.2 polarization diversity will lead to small correlation of the antenna elements and therefore to a decoupling of the subchannels. ...
7
Analysis of the Transmission Characteristics of Ultraviolet Communication in Non-Common-Scattering Volume
... After simulating random scattering of a large number of photons, accumulate the probability of reaching the detector in different small time zones, after being converted into weight distribution, the impulse response ...
7
Error in Shakespeare : Shakespeare in error
... Dromio of Ephesus asks Antipholus of Syracuse ‘for God's sake, hold your hands! Nay, and you will not, sir, I'll take my heels’. By taking his ‘heels’, he exits the scene because Antipholus will not stop beating him. ...
280
Measurement error in assessment
... reliability of the test is a perfect 1, will the SEM be zero, i.e. no error of measurement. The unit of measurement for the SEM is the same as the unit of measurement of the original test scores and allows for ...
5
Localization and dynamic link detection for geographic routing in non line of sight (NLOS) environments
... location error: (1) MMSE, (2) residual weighting algorithm (Rwgh), (3) localization scheme in [24] (LPMD-1), (4) localization scheme in [25] (LPMD-2), and (5) the proposed approach ...the NLOS errors in the ...
16
Statistical Indoor Location Estimation for the NLoS Environment Using Radial Extreme Value Weibull Distribution
... the error density between the true distance and observed ...the NLoS case density. Figure 3 indicates that for the NLoS case, the estimated distance is not distributed in true ...
6
A SURVEY OF SOFT HANDOFF PRIORITIZATION SCHEMES IN CDMA CELLULAR NETWORKS
... In the microcellular environment, handoff calls are classified into line of sight [LOS] handoff calls and non line of sight [NLOS] handoff calls [18], depending on the position of the m[r] ...
14
Test method for narrowband F/TDMA-based wireless sensor/actuator networks including radio channel emulation in severe multipath environments
... bility than in a NLOS or Rayleigh scenario. Measurements have shown that Nakagami’s parameter m is significantly larger than unity in many scenarios (e.g., m ≈ 2.5 in Agrawal et al., 2014 or m ≈ 35.7 in Eluma and ...
10
LS SVM Based WSN Location Algorithm in NLOS Environments
... based location algorithm in this paper to solve mobile location problem in a NLOS environment. A comparison is performed between the proposed method and two other learning methods (kernel method and LS-SVM ...
5