Application-Aware Dynamic Modulation Selection for WiMAX System

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Provided by: Creative Commons
Topic: Networking
Format: PDF
To meet the requirement of high speed application, OFDM based WiMAX (Worldwide interoperability for Micro Access technology) is employed which promises high speed and high quality. WiMAX is the technology based on IEEE 802.16 standard. Modulation and coding is one of the features of PHY layer which is used to load the data in the uplink and downlink during transmission. The existing method comprises of adaptive modulation scheme based on the communication channel conditions bit error rate, signal by noise ratio, power spectral density and probability error. The proposed method, DMCS (Dynamic Modulation and Coding Selection) dynamically selects the modulation scheme based on the application of the input traffic.
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