kazu
06e0e0a5aa
added corresponding test-cases switched to newer version of tinyxml due to some issues adjusted affected code-parts accordingly for better re-use, moved ceiling-calculation to a new class some minor fixes new helper methods worked on wifi-opt
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
#ifndef WIFIOPTIMIZERSTRUCTS_H
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#define WIFIOPTIMIZERSTRUCTS_H
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#include "../../../geo/Point3.h"
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namespace WiFiOptimizer {
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/**
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* one entry that is used during optimization:
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* combine one RSSI measurement with the position the signal was measured at
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*/
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struct RSSIatPosition {
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/** real-world position (in meter) */
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const Point3 pos_m;
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/** measured signal strength (for one AP) */
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const float rssi;
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/** ctor */
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RSSIatPosition(const Point3 pos_m, const float rssi) : pos_m(pos_m), rssi(rssi) {;}
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};
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/**
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* for statistics
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* after optimiziaton
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*
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* denotes the difference [error] between one fingerprinted rssi
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* at location (x,y,z) and the model estimation for this location
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*/
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struct ErrorAtPosition {
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/** real-world position (in meter) */
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const Point3 pos_m;
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/** measured signal strength (for one AP) */
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const float scan_rssi;
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/** final model's prediction */
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const float model_rssi;
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/** ctor */
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ErrorAtPosition(const Point3 pos_m, const float scan_rssi, const float model_rssi) : pos_m(pos_m), scan_rssi(scan_rssi), model_rssi(model_rssi) {;}
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/** get the difference [error] between model-estimated-rssi and fingerprinted-rssi */
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float getError_db() const {
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return model_rssi - scan_rssi;
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}
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};
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}
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#endif // WIFIOPTIMIZERSTRUCTS_H
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