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OFDMA WiMAX Physical Layer

  • Ramjee Prasad
  • Fernando J. Velez
Chapter

Abstract

IEEE 802.16 physical (PHY) layer is characterized by Orthogonal Frequency Division Multiplexing (OFDM), Time Division Duplexing, Frequency division Duplexing, Quadrature Amplitude Modulation and Adaptive Antenna Systems. After discussing the basics of OFDM and Orthogonal Frequency division Multiple Access (OFDMA), scalable OFDMA is presented and supported frequency bands, channel bandwidth and the different IEEE 802.16 PHY are discussed. The similarities and differences between wireless MAN-SC, wireless MAN-OFDM and wireless MAN-OFDMA PHY are finally highlighted.

Keywords

Orthogonal Frequency Division Multiplex Medium Access Control Orthogonal Frequency Division Multiplex System Orthogonal Frequency Division Multiple Access Cyclic Prefix 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Center for TeleInFrastruktur (CTIF)Aalborg UniversityAalborg ØstDenmark

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