Time Domain Channel Shortening for Multicarrier Systems (2010)
Abstract / truncated to 115 words
Multi-Carrier (MC) modulation has various advantages that make it useful for a wide variety of digital communication systems. Actually, it has been chosen as the physical layer standard for a diversity of basic systems such as digital transmission over telephone lines, applications in broadcasting and in wireless networks. The most important advantage of the MC system is its robustness against interferences. In fact, the cyclic prefix (CP) insertion through MC symbols provides higher immunity against delay spread and interferences. Therefore, as long as channel dispersion is not longer than the CP, system performance does not degrade and the need of time-domain equalization is not usually immediate. However, highly time dispersive channel leads to a significant ...
channel shortening – blind – OFDM
Information
- Author
- Ben Salem, Emna
- Institution
- Sup'Com/University of Carthage, Tunisia
- Supervisors
- Publication Year
- 2010
- Upload Date
- March 28, 2011
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