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% Clear workspace, close all figures, and clear command window clear all; close all; clc; % Define the basic hexagon vertex coordinates xhex_b = [0 1 2 2 1 0]; % x-coordinates yhex = [2 3 2 1 0 1]; % y-coordinates % Define adjacent cells of different colors for a cluster of size 3 xhex_g = xhex_b + 2; xhex_y = xhex_b + 4; % Define second row (shifted upwards) yhex_y = yhex + 2; xhex_y2 = xhex_b + 1; xhex_b2 = xhex_y2 + 2; xhex_g2 = xhex_y2 + 4; % Loop to generate the full layout using patches for i_j_l = 0:4 for j = 0:7 hold on; % Plot hexagonal cells in three colors representing the cluster (N=3) patch(xhex_b + i_j_l * 6, yhex + j * 4, 'blue'); patch(xhex_g + i_j_l * 6, yhex + j * 4, 'green'); patch(xhex_y + i_j_l * 6, yhex + j * 4, 'yellow'); patch(xhex_y2 + i_j_l * 6, yhex_y + j * 4, 'yellow'); patch(xhex_b2 + i_j_l * 6, yhex_y + j * 4, 'blue'); patch(xhex_g2 + i_j_l * 6, yhex_y + j * 4, 'green'); end end % Set axis for visual clarity axis equal; axis([0 31 0 39]); title('Hexagonal Cellular Layout with Cluster Size N=3'); xlabel('X Coordinate'); ylabel('Y Coordinate'); % Co-channel cell illustration with red circle (cluster size N=3) xCenter = 12; % X position of the reference cell yCenter = 11.5; % Y position of the reference cell radius = 4; % Approximate reuse distance radius for N=3 theta = 0:0.01*pi:2*pi; % Circle angle points xCircle = radius * cos(theta) + xCenter; yCircle = radius * sin(theta) + yCenter; % Plot the reuse region circle around a sample hex cell plot(xCircle, yCircle, 'r', 'LineWidth', 4); % Optional: Highlight the central hexagon (for visual reference) patch([12 13 13 12 11 11], [13 12 11 10 11 12], 'red'); % Add text annotations text(xCenter, yCenter, 'Reference Cell', 'HorizontalAlignment', 'center', ... 'VerticalAlignment', 'bottom', 'FontWeight', 'bold', 'Color', 'r');
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