28 lines
1.4 KiB
Matlab
28 lines
1.4 KiB
Matlab
classdef rfSensor
|
|
properties (SetAccess = private, GetAccess = public)
|
|
% Physical parameters
|
|
c = 3e8; % Speed of light (m/s)
|
|
k_B = 1.38e-23 % Boltzmann constant (W/Hz/K) for thermal noise model
|
|
T_0 = 300; % Ambient temperature (Kelvin) for thermal noise model
|
|
% Sensor parameters
|
|
P_TX = NaN; % Transmit power (Watts)
|
|
BW = NaN; % Bandwidth (Hz)
|
|
f_c = NaN; % Center frequency (Hz)
|
|
G_RX_dBi = NaN; % Receiver antenna gain
|
|
% Values computed at initialization
|
|
P_TX_dBm = NaN; % Transmit power (dBm)
|
|
N = NaN; % Thermal noise
|
|
end
|
|
|
|
methods (Access = public)
|
|
[obj] = initialize(obj, txPower, bandwidth, centerFreq, rxGain); % initialize sensor, define parameters
|
|
[SINR] = sensorPerformance(obj, agentPos, targetPos, otherSensorsPos, otherSensors); % determine sensor performance for a given single sensor and target geometry
|
|
[f] = plotParameters(obj); % debug, plot sensor response as a function of distance and tilt angle
|
|
[d, t, a] = computePointToPoints(obj, agentPos, targetPos);
|
|
end
|
|
methods (Access = private)
|
|
x = RSS(obj, d, t, a); % Received signal strength (function of distance and tilt angle)
|
|
G_TX_dB = transmitterGain(obj, t, a); % TODO Antenna gain for a given TX/RX pair
|
|
L_FSPL_dB = pathLoss(obj, d); % Free space path loss for a given TX/RX pair
|
|
end
|
|
end |