TY - GEN AU - Radiya Ali Mahmoud Mohamed AU - Abdelwahab Fayez , AU - Mohamed Khairy , TI - Study of Channel Estimation Algorithms for of DM Based WiMax 802.16 Systems / PY - 2006/// CY - Cairo : PB - Radiya Ali Mahmoud Mohamed , KW - Channel Estimation KW - DM Based KW - WiMax 802.16 N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Electronics and Communications; Issued also as CD N2 - Fixed broadband wireless access systems , covered by the IEEE standard called IEEE80216 , require high bit - rate , reliable and power efficient transmission systemsIt supports the Orthogonal Frequency Modulation (OFDM) schemes as an optional PHY layerOFDM has been recognized as a powerful multi - carrier modulation technique that provides efficient spectral utilization and resilience to frequency selective fading channels OFDM is used to reduce the ISI and to avoid using very complex equalizer at high bit rates UR - http://172.23.153.220/th.pdf ER -