Mobile WiMAX frame structure Unlike Fixed WiMAX, which uses OFDM frames, Mobile WiMAX uses OFDMA frames. OFDMA allows multiple users to receive d
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WiMAX antennas, just like the antennas for car radio, cell phone, FM radio, or TV, are designed to optimize performance for a given application. The f
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The initial range is the process of estimating the distance or propagation time between a transmitter and a receiver. Area information can be used to
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WiMAX is a coined term or acronym meaning worldwide interoperability for microwave access (WiMAX). What WiMAX is however at its heart is a standards i
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In addition to 3G, Wi-Fi based-systems may be used to provide broadband wireless. Wi-Fi is based on the IEEE 802.11 family of standards and is primari
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Naturally, the first application for which a wireless alternative was developed and deployed was voice telephony. These systems, called wireless local
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The MAC layer is oriented to the connections. Each connection corresponds to a service flow. The service flow defines the QoS parameters of PDU transm
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Sub-Carrier Allocation Mode 1DL PUSC - Downlink partial Usage Sub-Channels The downlink PUSC replacement zone is unique, that must exist in the frame
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Transmitting: The process is similar to that of BS. The frequency offset is pre-corrected. The Ranging and BW Request are generated at the physical la
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Transmitting: After being processed at the MAC layer, the downlink data is sent to the physical layer inthe format of MAC PDU. The MAC PDU arranges th
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NAP: Network Access ProviderNSP: Network Service ProviderV-NSP: Visited NSPH-NSP: Home NSPNAP provides the operation entities of network facilities re
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CSN - Core Service Network.DefinitionIt is a combination of a set of network functions and provides IPconnections for the WiMAX subscribers. The CSN c
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