Light purple zone at TTRH07 denotes the expected range of arrival time of direct S-wave from the radiation region of the second wave packet (cyan shade in Fig. 5a) at the radiation time.
Wireless positioning methods can be divided into fingerprint positioning algorithm based on received signal strength indicator (RSSI) [13], geometric or range positioning algorithm based on the range, time of arrival (TOA) [14, 15], time difference of arrival (TDOA) [16], or angle of arrival (AOA) [17], and some fusion positioning methods together with inertial measurement units (IMUs) [5].
"We tested a lot of models across a huge range of human arrival times and extinction times," Prescott says.
Comparing the IRAT LC SON functions using different load measures shows that using CSR as the load measure for both RATs results in the best 10th percentile session throughput for the widest range of user arrival rates.
Various analysis routines specific for Dynasonde applications perform inversions of measured parameters (range, angles of arrival, polarization, line-of-sight Doppler speed, amplitude) of the echoes to retrieve a number of ionospheric parameters (vertical profile of the plasma density, vector velocities of the plasma structures, spectra of small-scale irregularities, etc).
In the conventional two-step localization method [8], location-related parameters, such as range and angle-of-arrival (AOA) information, are estimated in the first step, and the position of the agent is then estimated based on these location-related parameters using geometric and statistical algorithms.
Range-based schemes are based upon the accurate measurements of Euclidean distances between the sensors, which can be derived from two-way ranging delays, time-of-arrivals, angles-of-arrival, or received signal strength indicator (RSSI).
This paper presents the method to estimate the range, datation and angle-of-arrival errors from the transponder data and applies it to six years of Baseline C data to derive potential biases and drifts.
To suppress such an interference, a robust beamformer against fast-moving interferences based on the minimum dispersion (MD) criterion is proposed, which provides a continuous deep null sector over a predefined range of dynamic angle-of-arrival (AOA).
Lyft gives a range of pricing and arrival time options, depending on which sort of ride you choose (Line, regular or Plus).
