By Craig R. Scott
This is the 1st entire reference on hand on all the sleek reflector antenna research and layout ideas. This booklet demystifies glossy reflector antenna research by means of continuing from the early numerical integration ways to modern day strong ideas, akin to the Jacobi-Bessel and Fourier-Bessel tools.
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Scalability: WiFi is intended for LAN applications, users range from one to tens with one subscriber for each Consumer Premises Equipment (CPE) device. It has ﬁxed channel sizes (20 MHz). WiMAX is designed to support from one to hundreds of CPEs efﬁciently, with unlimited subscribers behind each CPE. 5 MHz to 20 MHz. 7 bps/Hz and can peak at up to 54 Mbps in a 20 MHz channel. WiMAX works at 5 bps/Hz and can peak up to 100 Mbps in a 20 MHz channel. • QoS : WiFi does not guarantee any QoS but WiMAX will provide you with several level of QoS.
However there are many differences between the two on various parameters such as frequency bands, access technology, channel bandwidth, cell radius and cell capacities. 2 provides a comparison of LTE and Mobile WiMAX. 16e-2005 standard provides the air interface for WiMAX but does not deﬁne the full end-to-end WiMAX network. 16e-2005 as the air interface. The WiMAX NWG has developed a network reference model to serve as an architecture framework for WiMAX deployments and to ensure interoperability among various WiMAX equipment and operators.
7 Interoperability Issues in WiMAX WiMAX, as with many new technologies, is based on an open standard. While standards increasingly play an essential role in driving implementation, success is not guaranteed. 20 WiMAX Security and Quality of Service The success of a standard-based technology depends on the strong interoperability amongst the operators, vendors and solution and content providers. As a standard-based technology, WiMAX enables inter-vendor interoperability resulting in lower costs, greater ﬂexibility and freedom and faster innovation to operators.