{"id":2451,"date":"2025-06-02T06:04:41","date_gmt":"2025-06-02T06:04:41","guid":{"rendered":"https:\/\/diznr.com\/?p=2451"},"modified":"2025-06-02T06:04:41","modified_gmt":"2025-06-02T06:04:41","slug":"wireless-and-mobile-communication-wireless-and-mobile-communication-tutorial-in-hindi-cellular-network-concept","status":"publish","type":"post","link":"https:\/\/www.reilsolar.com\/pdf\/wireless-and-mobile-communication-wireless-and-mobile-communication-tutorial-in-hindi-cellular-network-concept\/","title":{"rendered":"Wireless and Mobile Communication: Wireless and Mobile communication tutorial in Hindi-Cellular Network Concept"},"content":{"rendered":"<p>Wireless and Mobile Communication: Wireless and Mobile communication tutorial in Hindi-Cellular Network Concept.<\/p>\n<p>[fvplayer id=&#8221;38&#8243;]<\/p>\n<h3 data-start=\"0\" data-end=\"105\"><strong data-start=\"7\" data-end=\"103\">Wireless and Mobile Communication (\u0935\u093e\u092f\u0930\u0932\u0947\u0938 \u0914\u0930 \u092e\u094b\u092c\u093e\u0907\u0932 \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928) &#8211; \u0938\u0947\u0932\u0941\u0932\u0930 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0915\u0949\u0928\u094d\u0938\u0947\u092a\u094d\u091f<\/strong><\/h3>\n<p data-start=\"107\" data-end=\"385\"><strong data-start=\"107\" data-end=\"152\">\u00a0\u0935\u093e\u092f\u0930\u0932\u0947\u0938 \u0914\u0930 \u092e\u094b\u092c\u093e\u0907\u0932 \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928 \u0915\u094d\u092f\u093e \u0939\u0948?<\/strong><br data-start=\"152\" data-end=\"155\" \/>\u0935\u093e\u092f\u0930\u0932\u0947\u0938 \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928 \u092e\u0947\u0902 <strong data-start=\"179\" data-end=\"207\">\u092c\u093f\u0928\u093e \u0915\u093f\u0938\u0940 \u0924\u093e\u0930 (cable) \u0915\u0947<\/strong> \u0921\u093e\u091f\u093e, \u0935\u0949\u0907\u0938 \u092f\u093e \u0935\u0940\u0921\u093f\u092f\u094b \u091f\u094d\u0930\u093e\u0902\u0938\u092b\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092e\u094b\u092c\u093e\u0907\u0932 \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928 \u0907\u0938\u092e\u0947\u0902 \u090f\u0915 \u0915\u0926\u092e \u0906\u0917\u0947 \u0939\u0948, \u091c\u0939\u093e\u0901 \u0921\u093f\u0935\u093e\u0907\u0938\u0947\u091c\u093c <strong data-start=\"307\" data-end=\"326\">\u092e\u094b\u092c\u093e\u0907\u0932 \u0930\u0939\u0924\u0940 \u0939\u0948\u0902<\/strong> \u0914\u0930 \u092e\u0942\u0935 \u0915\u0930 \u0938\u0915\u0924\u0940 \u0939\u0948\u0902, \u092b\u093f\u0930 \u092d\u0940 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0938\u0947 \u0915\u0928\u0947\u0915\u094d\u091f\u0947\u0921 \u0930\u0939\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n<p data-start=\"387\" data-end=\"495\"><strong data-start=\"387\" data-end=\"401\">\u00a0\u0909\u0926\u093e\u0939\u0930\u0923:<\/strong><br data-start=\"401\" data-end=\"404\" \/>\u00a0\u092e\u094b\u092c\u093e\u0907\u0932 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 (2G, 3G, 4G, 5G)<br data-start=\"437\" data-end=\"440\" \/>\u00a0Wi-Fi<br data-start=\"447\" data-end=\"450\" \/>\u00a0Bluetooth<br data-start=\"461\" data-end=\"464\" \/>\u00a0GPS \u0914\u0930 \u0938\u0948\u091f\u0947\u0932\u093e\u0907\u091f \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928<\/p>\n<h3 data-start=\"502\" data-end=\"566\"><strong data-start=\"505\" data-end=\"566\">\u00a0\u0938\u0947\u0932\u0941\u0932\u0930 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0915\u093e \u0915\u0949\u0928\u094d\u0938\u0947\u092a\u094d\u091f (Cellular Network Concept)<\/strong><\/h3>\n<h3 data-start=\"567\" data-end=\"608\"><strong data-start=\"574\" data-end=\"606\">\u0938\u0947\u0932\u0941\u0932\u0930 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u093e \u0939\u0948?<\/strong><\/h3>\n<p data-start=\"609\" data-end=\"800\">\u0938\u0947\u0932\u0941\u0932\u0930 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u090f\u0915 <strong data-start=\"627\" data-end=\"646\">\u0935\u093e\u092f\u0930\u0932\u0947\u0938 \u0928\u0947\u091f\u0935\u0930\u094d\u0915<\/strong> \u0939\u0948, \u091c\u094b \u091b\u094b\u091f\u0947-\u091b\u094b\u091f\u0947 <strong data-start=\"664\" data-end=\"681\">\u0938\u0947\u0932\u094d\u0938 (Cells)<\/strong> \u092e\u0947\u0902 \u092c\u0902\u091f\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0939\u0930 \u0938\u0947\u0932 \u092e\u0947\u0902 \u090f\u0915 <strong data-start=\"714\" data-end=\"735\">\u092c\u0947\u0938 \u0938\u094d\u091f\u0947\u0936\u0928 (\u091f\u0949\u0935\u0930)<\/strong> \u0939\u094b\u0924\u093e \u0939\u0948, \u091c\u094b \u092e\u094b\u092c\u093e\u0907\u0932 \u0921\u093f\u0935\u093e\u0907\u0938\u0947\u091c\u093c \u0915\u094b \u0938\u093f\u0917\u094d\u0928\u0932 \u092d\u0947\u091c\u0924\u093e \u0914\u0930 \u0930\u093f\u0938\u0940\u0935 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<h3 data-start=\"802\" data-end=\"847\"><strong data-start=\"809\" data-end=\"845\">\u0938\u0947\u0932\u0941\u0932\u0930 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0915\u0948\u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u093e \u0939\u0948?<\/strong><\/h3>\n<p data-start=\"848\" data-end=\"1133\"><strong data-start=\"852\" data-end=\"907\">\u092e\u094b\u092c\u093e\u0907\u0932 \u0921\u093f\u0935\u093e\u0907\u0938 \u2192 \u0928\u091c\u093c\u0926\u0940\u0915\u0940 \u0938\u0947\u0932 \u091f\u0949\u0935\u0930 \u0938\u0947 \u0915\u0928\u0947\u0915\u094d\u091f \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/strong><br data-start=\"907\" data-end=\"910\" \/><strong data-start=\"914\" data-end=\"972\">\u091f\u0949\u0935\u0930 \u2192 \u092e\u094b\u092c\u093e\u0907\u0932 \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0938\u0947\u0902\u091f\u0930 (MSC) \u0915\u094b \u0938\u093f\u0917\u094d\u0928\u0932 \u092d\u0947\u091c\u0924\u093e \u0939\u0948\u0964<\/strong><br data-start=\"972\" data-end=\"975\" \/><strong data-start=\"979\" data-end=\"1032\">MSC \u2192 \u0915\u0949\u0932 \u092f\u093e \u0921\u0947\u091f\u093e \u0915\u094b \u0938\u0939\u0940 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u092e\u0947\u0902 \u0930\u0942\u091f \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/strong><br data-start=\"1032\" data-end=\"1035\" \/><strong data-start=\"1039\" data-end=\"1131\">\u0905\u0917\u0930 \u092f\u0942\u091c\u0930 \u092e\u0942\u0935 \u0915\u0930\u0924\u093e \u0939\u0948, \u0924\u094b \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0911\u091f\u094b\u092e\u0947\u091f\u093f\u0915ALLY \u0926\u0942\u0938\u0930\u0947 \u091f\u0949\u0935\u0930 \u0938\u0947 \u0915\u0928\u0947\u0915\u094d\u091f \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948 (Handoff)\u0964<\/strong><\/p>\n<h3 data-start=\"1140\" data-end=\"1177\"><strong data-start=\"1143\" data-end=\"1177\">\u00a0\u0938\u0947\u0932\u0941\u0932\u0930 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0915\u0940 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0901<\/strong><\/h3>\n<p data-start=\"1178\" data-end=\"1634\"><strong data-start=\"1180\" data-end=\"1197\">\u0938\u0947\u0932\u094d\u0938 (Cells)<\/strong>: \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u091b\u094b\u091f\u0947 \u090f\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0921\u093f\u0935\u093e\u0907\u0921 \u0939\u094b\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0915\u0935\u0930\u0947\u091c \u0905\u091a\u094d\u091b\u0940 \u092e\u093f\u0932\u0924\u0940 \u0939\u0948\u0964<br data-start=\"1265\" data-end=\"1268\" \/><strong data-start=\"1270\" data-end=\"1310\">\u092b\u094d\u0930\u0940\u0915\u094d\u0935\u0947\u0902\u0938\u0940 \u0930\u0940\u092f\u0942\u091c\u093c (Frequency Reuse)<\/strong>: \u090f\u0915 \u0939\u0940 \u092b\u093c\u094d\u0930\u0940\u0915\u094d\u0935\u0947\u0902\u0938\u0940 \u0915\u094b \u0905\u0932\u0917-\u0905\u0932\u0917 \u0938\u0947\u0932\u094d\u0938 \u092e\u0947\u0902 \u0907\u0938\u094d\u0924\u0947\u092e\u093e\u0932 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0911\u092a\u094d\u091f\u093f\u092e\u093e\u0907\u091c\u093c \u0930\u0939\u0924\u093e \u0939\u0948\u0964<br data-start=\"1408\" data-end=\"1411\" \/><strong data-start=\"1413\" data-end=\"1433\">\u0939\u0948\u0902\u0921\u0911\u092b (Handoff)<\/strong>: \u0905\u0917\u0930 \u092f\u0942\u091c\u0930 \u090f\u0915 \u0938\u0947\u0932 \u0938\u0947 \u0926\u0942\u0938\u0930\u0947 \u0938\u0947\u0932 \u092e\u0947\u0902 \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u092c\u093f\u0928\u093e \u0915\u0949\u0932 \u0921\u094d\u0930\u0949\u092a \u0915\u0947 \u0915\u0928\u0947\u0915\u094d\u0936\u0928 \u091f\u094d\u0930\u093e\u0902\u0938\u092b\u0930 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<br data-start=\"1526\" data-end=\"1529\" \/><strong data-start=\"1531\" data-end=\"1577\">\u0938\u094d\u092a\u0947\u0915\u094d\u091f\u094d\u0930\u092e \u090f\u092b\u093f\u0936\u093f\u090f\u0902\u0938\u0940 (Spectrum Efficiency)<\/strong>: \u0938\u0940\u092e\u093f\u0924 \u0930\u0947\u0921\u093f\u092f\u094b \u092b\u094d\u0930\u0940\u0915\u094d\u0935\u0947\u0902\u0938\u0940 \u0915\u093e \u092a\u094d\u0930\u092d\u093e\u0935\u0940 \u0907\u0938\u094d\u0924\u0947\u092e\u093e\u0932 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n<h3 data-start=\"1641\" data-end=\"1708\"><strong data-start=\"1644\" data-end=\"1708\">\u00a0\u092e\u094b\u092c\u093e\u0907\u0932 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0915\u0940 \u091c\u0928\u0930\u0947\u0936\u0928 (Generations of Mobile Networks)<\/strong><\/h3>\n<p data-start=\"1709\" data-end=\"1940\"><strong data-start=\"1712\" data-end=\"1727\">1G (Analog)<\/strong> \u2013 \u0938\u093f\u0930\u094d\u092b \u0935\u0949\u0907\u0938 \u0915\u0949\u0932<br data-start=\"1744\" data-end=\"1747\" \/><strong data-start=\"1750\" data-end=\"1767\">2G (GSM\/CDMA)<\/strong> \u2013 \u0935\u0949\u0907\u0938 + SMS<br data-start=\"1780\" data-end=\"1783\" \/><strong data-start=\"1786\" data-end=\"1804\">3G (UMTS\/HSPA)<\/strong> \u2013 \u0907\u0902\u091f\u0930\u0928\u0947\u091f, \u0935\u0940\u0921\u093f\u092f\u094b \u0915\u0949\u0932<br data-start=\"1826\" data-end=\"1829\" \/><strong data-start=\"1832\" data-end=\"1844\">4G (LTE)<\/strong> \u2013 \u0939\u093e\u0908-\u0938\u094d\u092a\u0940\u0921 \u0907\u0902\u091f\u0930\u0928\u0947\u091f, HD \u0935\u0940\u0921\u093f\u092f\u094b \u0938\u094d\u091f\u094d\u0930\u0940\u092e\u093f\u0902\u0917<br data-start=\"1886\" data-end=\"1889\" \/><strong data-start=\"1891\" data-end=\"1897\">5G<\/strong> \u2013 \u0905\u0932\u094d\u091f\u094d\u0930\u093e-\u092b\u093e\u0938\u094d\u091f \u0938\u094d\u092a\u0940\u0921, IoT, \u0938\u094d\u092e\u093e\u0930\u094d\u091f \u0938\u093f\u091f\u0940<\/p>\n<h3 data-start=\"1947\" data-end=\"1995\"><strong data-start=\"1950\" data-end=\"1995\">\u00a0\u0935\u093e\u092f\u0930\u0932\u0947\u0938 \u0914\u0930 \u092e\u094b\u092c\u093e\u0907\u0932 \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947<\/strong><\/h3>\n<p data-start=\"1996\" data-end=\"2145\">\u2714 \u0915\u094b\u0908 \u0924\u093e\u0930 \u0928\u0939\u0940\u0902, \u092a\u094b\u0930\u094d\u091f\u0947\u092c\u0932 \u0921\u093f\u0935\u093e\u0907\u0938\u0947\u0938<br data-start=\"2029\" data-end=\"2032\" \/>\u2714 \u092e\u094b\u092c\u093e\u0907\u0932\u093f\u091f\u0940 (\u091a\u0932\u0924\u0947-\u092b\u093f\u0930\u0924\u0947 \u0915\u0928\u0947\u0915\u094d\u091f\u093f\u0935\u093f\u091f\u0940)<br data-start=\"2068\" data-end=\"2071\" \/>\u2714 \u0930\u093f\u092e\u094b\u091f \u090f\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u092d\u0940 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0909\u092a\u0932\u092c\u094d\u0927<br data-start=\"2106\" data-end=\"2109\" \/>\u2714 \u0939\u093e\u0908-\u0938\u094d\u092a\u0940\u0921 \u0907\u0902\u091f\u0930\u0928\u0947\u091f \u0914\u0930 \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928<\/p>\n<h3 data-start=\"2152\" data-end=\"2183\"><strong data-start=\"2155\" data-end=\"2183\">\u00a0\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937 (Conclusion)<\/strong><\/h3>\n<p data-start=\"2184\" data-end=\"2376\">\u0938\u0947\u0932\u0941\u0932\u0930 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0935\u093e\u092f\u0930\u0932\u0947\u0938 \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928 \u0915\u0940 \u0938\u092c\u0938\u0947 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0924\u0915\u0928\u0940\u0915 \u0939\u0948, \u091c\u094b \u0939\u092e\u0947\u0902 <strong data-start=\"2256\" data-end=\"2297\">\u0915\u0949\u0932\u093f\u0902\u0917, \u0907\u0902\u091f\u0930\u0928\u0947\u091f \u0914\u0930 \u0921\u093f\u091c\u093f\u091f\u0932 \u0915\u092e\u094d\u092f\u0941\u0928\u093f\u0915\u0947\u0936\u0928<\/strong> \u0915\u0940 \u0938\u0941\u0935\u093f\u0927\u093e \u0926\u0947\u0924\u0940 \u0939\u0948\u0964 5G \u0914\u0930 IoT \u0915\u0947 \u0906\u0928\u0947 \u0938\u0947 \u092d\u0935\u093f\u0937\u094d\u092f \u092e\u0947\u0902 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0914\u0930 \u092d\u0940 \u090f\u0921\u0935\u093e\u0902\u0938 \u0939\u094b\u0917\u093e\u0964<\/p>\n<p data-start=\"2383\" data-end=\"2459\" data-is-last-node=\"\" data-is-only-node=\"\">\u00a0<strong data-start=\"2385\" data-end=\"2454\">\u0915\u094d\u092f\u093e \u0906\u092a \u0915\u093f\u0938\u0940 \u0914\u0930 \u091f\u0949\u092a\u093f\u0915 \u092a\u0930 \u0921\u093f\u091f\u0947\u0932 \u092e\u0947\u0902 \u091c\u093e\u0928\u0915\u093e\u0930\u0940 \u091a\u093e\u0939\u0924\u0947 \u0939\u0948\u0902? \u0915\u092e\u0947\u0902\u091f \u0915\u0930\u0947\u0902!<\/strong><\/p>\n<h3 data-start=\"2383\" data-end=\"2459\"><a href=\"https:\/\/www.bittpolytechnic.com\/images\/pdf2\/ECE_Mobile%20communication%20e-books.pdf\" target=\"_blank\" rel=\"noopener\">Wireless and Mobile Communication: Wireless and Mobile communication tutorial in Hindi-Cellular Network Concept<\/a><\/h3>\n<h3 class=\"LC20lb MBeuO DKV0Md\"><a href=\"https:\/\/archive.mu.ac.in\/myweb_test\/syllFybscit\/dcn.pdf\" target=\"_blank\" rel=\"noopener\">Unit 1. Introduction to data communications and networking<\/a><\/h3>\n<h3 class=\"LC20lb MBeuO DKV0Md\"><a href=\"https:\/\/www.aicte-india.org\/sites\/default\/files\/bvoc\/Mobile%20Communication.pdf\" target=\"_blank\" rel=\"noopener\">Mobile Communication.pdf<\/a><\/h3>\n<h3 class=\"LC20lb MBeuO DKV0Md\"><a href=\"https:\/\/ncert.nic.in\/textbook\/pdf\/lecs110.pdf\" target=\"_blank\" rel=\"noopener\">Computer Networks<\/a><\/h3>\n<p>Here is a <strong>Wireless and Mobile Communication Tutorial in Hindi<\/strong> focusing on the <strong>Cellular Network Concept<\/strong> \u2014 useful for B.Tech, BCA, MCA, GATE, or SSC JE-level students.<\/p>\n<hr \/>\n<h2>\ud83d\udcd8 <strong>Wireless and Mobile Communication \u2013 Cellular Network Concept (\u0938\u0947\u0932\u0941\u0932\u0930 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u0915\u0940 \u0905\u0935\u0927\u093e\u0930\u0923\u093e)<\/strong><\/h2>\n<hr \/>\n<h3>\ud83d\udd39 <strong>1. Cellular Network \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u093e \u0939\u0948?<\/strong><\/h3>\n<p><strong>Cellular Network<\/strong> \u090f\u0915 \u0935\u093e\u092f\u0930\u0932\u0947\u0938 \u0938\u0902\u091a\u093e\u0930 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0939\u0948, \u091c\u093f\u0938\u092e\u0947\u0902 \u092a\u0942\u0930\u0947 \u0915\u094d\u0937\u0947\u0924\u094d\u0930 (\u091c\u0948\u0938\u0947 \u0936\u0939\u0930, \u0926\u0947\u0936) \u0915\u094b \u091b\u094b\u091f\u0947-\u091b\u094b\u091f\u0947 \u092d\u093e\u0917\u094b\u0902 (cells) \u092e\u0947\u0902 \u092c\u093e\u0902\u091f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<br \/>\n\u0939\u0930 <strong>cell<\/strong> \u092e\u0947\u0902 \u090f\u0915 <strong>Base Station<\/strong> \u0939\u094b\u0924\u093e \u0939\u0948 \u091c\u094b \u092e\u094b\u092c\u093e\u0907\u0932 \u092f\u0942\u091c\u093c\u0930\u094d\u0938 \u0938\u0947 \u0938\u093f\u0917\u094d\u0928\u0932 \u0932\u0947\u0924\u093e \u0914\u0930 \u092d\u0947\u091c\u0924\u093e \u0939\u0948\u0964<\/p>\n<hr \/>\n<h3>\ud83d\udd39 <strong>2. Cell \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u093e \u0939\u0948?<\/strong><\/h3>\n<p>\u090f\u0915 <strong>cell<\/strong> \u090f\u0915 \u091b\u094b\u091f\u093e \u092d\u094c\u0917\u094b\u0932\u093f\u0915 \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u0939\u0948, \u091c\u094b \u090f\u0915 <strong>mobile tower (BTS)<\/strong> \u0938\u0947 \u0915\u0935\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<blockquote><p>\ud83d\udc49 Cells \u0915\u094b \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 <strong>hexagon (\u0937\u091f\u094d\u0915\u094b\u0923)<\/strong> \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0926\u0930\u094d\u0936\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u093e\u0915\u093f \u092a\u0942\u0930\u093e \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092c\u093f\u0928\u093e \u0917\u0948\u092a \u0915\u0947 \u0915\u0935\u0930 \u0939\u094b \u0938\u0915\u0947\u0964<\/p><\/blockquote>\n<hr \/>\n<h3>\ud83d\udd39 <strong>3. Why Use Cells? (Cells \u0915\u0940 \u091c\u0930\u0942\u0930\u0924 \u0915\u094d\u092f\u094b\u0902?)<\/strong><\/h3>\n<ul>\n<li>Frequency \u0915\u093e Reuse \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0947<\/li>\n<li>Network capacity \u092c\u0922\u093c\u093e\u0908 \u091c\u093e \u0938\u0915\u0947<\/li>\n<li>Better coverage \u0914\u0930 signal strength \u092e\u093f\u0932\u0947<\/li>\n<li>Call drop \u0915\u092e \u0939\u094b<\/li>\n<\/ul>\n<hr \/>\n<h3>\ud83d\udd39 <strong>4. Frequency Reuse (\u092b\u094d\u0930\u093f\u0915\u094d\u0935\u0947\u0902\u0938\u0940 \u092a\u0941\u0928\u0903 \u092a\u094d\u0930\u092f\u094b\u0917)<\/strong><\/h3>\n<p>\u0939\u0930 cell \u0915\u094b \u090f\u0915 specific frequency band \u092e\u093f\u0932\u0924\u093e \u0939\u0948\u0964<br \/>\nAdjacent cells \u092e\u0947\u0902 <strong>different frequencies<\/strong> \u0926\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948\u0902 \u0924\u093e\u0915\u093f interference \u0928 \u0939\u094b\u0964<\/p>\n<p>\u0932\u0947\u0915\u093f\u0928 <strong>non-adjacent<\/strong> cells \u092e\u0947\u0902 \u0935\u0939\u0940 frequency <strong>reuse<\/strong> \u0915\u0940 \u091c\u093e \u0938\u0915\u0924\u0940 \u0939\u0948\u0964<\/p>\n<p>\u27a1\ufe0f \u0907\u0938\u0938\u0947 network \u0915\u0940 capacity \u092c\u0939\u0941\u0924 \u092c\u0922\u093c \u091c\u093e\u0924\u0940 \u0939\u0948\u0964<\/p>\n<hr \/>\n<h3>\ud83d\udd39 <strong>5. Cell Size Types (\u0938\u0947\u0932 \u0915\u0947 \u092a\u094d\u0930\u0915\u093e\u0930)<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th>Cell Type<\/th>\n<th>Range (approx.)<\/th>\n<th>Use Case<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Macro Cell<\/strong><\/td>\n<td>1 \u2013 20 km<\/td>\n<td>Rural\/Highway areas<\/td>\n<\/tr>\n<tr>\n<td><strong>Micro Cell<\/strong><\/td>\n<td>200 m \u2013 2 km<\/td>\n<td>Urban streets<\/td>\n<\/tr>\n<tr>\n<td><strong>Pico Cell<\/strong><\/td>\n<td>10 \u2013 200 meters<\/td>\n<td>Malls, Stations<\/td>\n<\/tr>\n<tr>\n<td><strong>Femto Cell<\/strong><\/td>\n<td>&lt; 10 meters<\/td>\n<td>Homes\/Offices (Indoor)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\ud83d\udd39 <strong>6. Handoff\/Handover \u0915\u094d\u092f\u093e \u0939\u0948?<\/strong><\/h3>\n<p>\u091c\u092c \u092e\u094b\u092c\u093e\u0907\u0932 \u092f\u0942\u091c\u093c\u0930 \u090f\u0915 cell \u0938\u0947 \u0926\u0942\u0938\u0930\u0940 cell \u092e\u0947\u0902 \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0909\u0938\u0915\u093e connection <strong>\u090f\u0915 \u091f\u0949\u0935\u0930 \u0938\u0947 \u0926\u0942\u0938\u0930\u0947 \u091f\u0949\u0935\u0930 \u092e\u0947\u0902 switch<\/strong> \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u2013 \u0907\u0938\u0947 <strong>handover<\/strong> \u0915\u0939\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<ul>\n<li>\u0905\u0917\u0930 \u0938\u0939\u0940 \u0938\u0947 \u0928 \u0939\u094b \u2192 <strong>call drop<\/strong><\/li>\n<li>Types: <strong>Hard handover<\/strong>, <strong>Soft handover<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h3>\ud83d\udd39 <strong>7. Components of Cellular Network<\/strong><\/h3>\n<ol>\n<li><strong>Mobile Station (MS)<\/strong> \u2013 \u0906\u092a\u0915\u093e \u092b\u093c\u094b\u0928<\/li>\n<li><strong>Base Station Subsystem (BSS)<\/strong> \u2013 \u091f\u0949\u0935\u0930 \u0914\u0930 \u0915\u0902\u091f\u094d\u0930\u094b\u0932\u0930<\/li>\n<li><strong>Mobile Switching Center (MSC)<\/strong> \u2013 Calls \u0914\u0930 data \u0915\u094b manage \u0915\u0930\u0924\u093e \u0939\u0948<\/li>\n<li><strong>HLR\/VLR<\/strong> \u2013 User \u0915\u0940 \u091c\u093e\u0928\u0915\u093e\u0930\u0940 \u0930\u0916\u0924\u093e \u0939\u0948<\/li>\n<\/ol>\n<hr \/>\n<h2>\ud83e\udde0 <strong>Important Points (Quick Recap):<\/strong><\/h2>\n<ul>\n<li>Cellular system \u2192 \u092a\u0942\u0930\u0947 network \u0915\u094b \u091b\u094b\u091f\u0947 <strong>cells<\/strong> \u092e\u0947\u0902 divide \u0915\u0930\u0924\u093e \u0939\u0948<\/li>\n<li>Frequency reuse \u2192 limited spectrum \u0915\u094b efficiently use \u0915\u0930\u0928\u093e<\/li>\n<li>Handoff \u2192 call continuity maintain \u0915\u0930\u0928\u093e<\/li>\n<li>Base station \u0939\u0930 cell \u0915\u094b manage \u0915\u0930\u0924\u093e \u0939\u0948<\/li>\n<\/ul>\n<hr \/>\n<h3>\ud83c\udfaf Real-Life Example:<\/h3>\n<p>\u091c\u092c \u0906\u092a \u091f\u094d\u0930\u0947\u0928 \u092e\u0947\u0902 \u0938\u092b\u0930 \u0915\u0930\u0924\u0947 \u0939\u094b \u0914\u0930 \u092c\u093e\u0924 \u0915\u0930 \u0930\u0939\u0947 \u0939\u094b\u0924\u0947 \u0939\u094b \u2014 \u0924\u094b \u0906\u092a \u090f\u0915 \u091f\u0949\u0935\u0930 \u0938\u0947 \u0926\u0942\u0938\u0930\u0947 \u092e\u0947\u0902 switch \u0915\u0930\u0924\u0947 \u0939\u094b, \u092c\u093f\u0928\u093e call \u0915\u091f\u0947\u0964 \u092f\u0939\u0940 \u0939\u0948 <strong>handoff<\/strong>, \u0914\u0930 \u0907\u0938\u0947 possible \u092c\u0928\u093e\u0924\u093e \u0939\u0948 <strong>cellular network<\/strong>.<\/p>\n<hr \/>\n<h2>\ud83d\udce5 Want More?<\/h2>\n<p>Would you like:<\/p>\n<ul>\n<li>A <strong>PDF Notes (in Hindi)<\/strong> of this topic?<\/li>\n<li>A <strong>diagram\/chart<\/strong> explaining cellular layout?<\/li>\n<li>A <strong>video lesson (in Hindi)<\/strong>?<\/li>\n<\/ul>\n<p>\ud83d\udc49 Type your request and I\u2019ll send it to you!<\/p>\n<h3><a href=\"https:\/\/mrcet.com\/downloads\/digital_notes\/ECE\/IV%20Year\/3.Cellular%20&amp;%20Mobile%20Communications.pdf\" target=\"_blank\" rel=\"noopener\">Wireless and Mobile Communication: Wireless and Mobile communication tutorial in Hindi-Cellular Network Concept<\/a><\/h3>\n<h3 class=\"LC20lb MBeuO DKV0Md\"><a href=\"https:\/\/archive.nptel.ac.in\/content\/syllabus_pdf\/108106192.pdf\" target=\"_blank\" rel=\"noopener\">FUNDAMENTALS OF WIRELESS COMMUNICATION ( &#8230;<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Wireless and Mobile Communication: Wireless and Mobile communication tutorial in Hindi-Cellular Network Concept.<\/p>\n","protected":false},"author":64,"featured_media":2452,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107],"tags":[106,108,109],"class_list":["post-2451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wireless-and-mobile-communication","tag-cellular-network-concept","tag-wireless-and-mobile-communication","tag-wireless-and-mobile-communication-tutorial-in-hindi"],"_links":{"self":[{"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/posts\/2451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/users\/64"}],"replies":[{"embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/comments?post=2451"}],"version-history":[{"count":0,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/posts\/2451\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/media\/2452"}],"wp:attachment":[{"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/media?parent=2451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/categories?post=2451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/tags?post=2451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}