Abstract

Abstract: Throughout the past few decades, wireless network systems have gone through several stages of progression. Asthere has been an extensive requirement for more connections worldwide, the wireless network standards have advancedrapidly in order to support more and more users. Smart phones gained popularity across the globe after the introduction of3rd generation (3G) mobile communication system in which specific applications were developed for smart phones whichcatered to several features like e-mail, games, video calling, etc. 4G systems are enhanced versions of 3G networks whichoffer higher data rates and are designed to handle more advanced multi-media services. 5G is a new global wireless standardafter the 4G network which provides more reliability and vast network capacity. 6G is the successor of 5G network systemwhich will use higher frequencies to provide higher capacity and lower latency. This paper provides a comprehensive andcomparative review on 3G, 4G, 5G and 6G wireless technologies.Keywords: 3G, 4G, 5G, 6G, mobile communication systems, wireless network standards, wireless network systems