Channel Estimation and Equalization for Wimax physical layer
Wimax
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WiMAX (Worldwide Interoperability for Microwave Access) is an 802.16 IEEE standard used for wireless data communications. In WiMAX, Channel estimation & equalization schemes are the areas where we can make a research. Because of the robust performance in multipath environment, WiMAX forum choses 802.16 OFDM PHY layer. This forum adopted OFDM/OFDMA in physical (PHY) layer for fixed/mobile applications respectively. WiMAX supports non-line-of-sight environment with high data rate transmission and high mobility up to 125 Km/hr. The mobile WiMAX standard, IEEE 802.16e, is a worldwide broadband wir...
WiMAX (Worldwide Interoperability for Microwave Access) is an 802.16 IEEE standard used for wireless data communications. In WiMAX, Channel estimation & equalization schemes are the areas where we can make a research. Because of the robust performance in multipath environment, WiMAX forum choses 802.16 OFDM PHY layer. This forum adopted OFDM/OFDMA in physical (PHY) layer for fixed/mobile applications respectively. WiMAX supports non-line-of-sight environment with high data rate transmission and high mobility up to 125 Km/hr. The mobile WiMAX standard, IEEE 802.16e, is a worldwide broadband wireless standard that covers fixed, portable and mobile deployments. In this book, an end to end WiMAX PHY layer system will be modeled in MATLAB. The scope of work also includes the channel estimation & equalization approach to facilitate evaluation. Performances of system implementation based on comb type pilot arrangement are tested with Least Square Algorithm, Least Mean Square algorithms and Linear, Spline interpolation. BER versus SNR curves are used for comparing the results.
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