Requirment of WiMAX Technology
Why we require WiMAX Technology?
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Early broadband wireless systems started as extensions of indoor local area network (LAN) technology called as Wi-Fi Technology or the 802.11b protocol. This standard has evolved into a ubiquitous and widely obtainable standard employed in short range hotspots all over the globe. Though, the media access controller (MAC) & physical layer (PHY) specifications for this protocol are suboptimum for outdoor citywide wireless networks or metropolitan area networks (MAN). Recent updates and new standards like 802.11g, 802.11a and 802.11n have developed these elements. However, once again these technologies are configured for best performance in small venues and at short range.
Communications Channels: It is a pathway over which information can be communicated. It might be stated by a physical wire which connects communicating devices, or through radio, laser, or other radiated energy source which has no obvious physical pre
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