Preamble Detection in WiMAX 802.16e Using Reyligh Channel with OFDM System

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Provided by: International Journal of Engineering Sciences & Management (IJESM)
Topic: Networking
Format: PDF
WiMAX represents World interoperability for Microwave Access is a major part of broadband wireless network having IEEE 803.16 standard provides innovative fixed as well as mobile platform for broadband internet access anywhere in anytime. WiMAX works on high data rate and it is a wireless technique so fading and attenuation in the signals is presence due to noise, inter symbol interference, inter carrier interference etc. OFDM modulation technique is used to work on multicarrier. OFDM works on orthogonality so presence of ISI is neglected. These methods are Schmidl and Cox maximum normalized correlation (SC), maximum normalized correlation using a Geometric Mean (GM), Minimum Mean Squared Error (MMSE) and Maximum Likelihood (ML).
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