基于速度预测的网络切换算法

% handover_simulation.m % Simulation Parameters numTimeSteps = 100; % Number of time steps numNetworks = 2; % Number of networks (Wi-Fi and LTE) terminalSpeed = 50; % Terminal speed in m/s handoverThreshold = 10; % Signal strength threshold for handover decision % Initialize terminal position and velocity terminalPosition = zeros(2, numTimeSteps); terminalVelocity = terminalSpeed * ones(2, numTimeSteps); % Initialize signal strength matrices for Wi-Fi and LTE networks wifiSignalStrength = zeros(1, numTimeSteps); lteSignalStrength = zeros(1, numTimeSteps); % Simulate terminal movement and signal strength prediction for t = 1:numTimeSteps % Update terminal position based on velocity terminalPosition(:, t) = terminalPosition(:, t) + terminalVelocity(:, t); % Predict signal strengths for Wi-Fi and LTE networks % Here, you can implement your signal strength prediction algorithm % For the purpose of this simulation, let's use random values as placeholders wifiSignalStrength(t) = randi([1, 20], 1); lteSignalStrength(t) = randi([1, 20], 1); % Make handover decision based on predicted signal strengths if wifiSignalStrength(t) < handoverThreshold && lteSignalStrength(t) >= handoverThreshold disp('Performing handover from Wi-Fi to LTE'); % Implement handover procedure elseif lteSignalStrength(t) < handoverThreshold && wifiSignalStrength(t) >= handoverThreshold disp('Performing handover from LTE to Wi-Fi'); % Implement handover procedure end % Update signal strength matrices for next time step % Here, you can update signal strength matrices based on network conditions end % Analyze simulation results (e.g., handover frequency, delay, stability) % Here, you can compute and plot relevant performance metrics % For the purpose of this simulation, let's plot the signal strengths over time figure; plot(1:numTimeSteps, wifiSignalStrength, 'b-', 'LineWidth', 2); hold on; plot(1:numTimeSteps, lteSignalStrength, 'r--', 'LineWidth', 2); xlabel('Time Step'); ylabel('Signal Strength'); title('Signal Strength Prediction'); legend('Wi-Fi', 'LTE'); grid on;