Optimization of guard time length for mobile WiMAX system over multipath channel

• Main Authors: Osman, Waiel Elsayed, Abd Rahman, Tharek
• Format: Book Section
• Published: Int Assoc Engineers-Iaeng 2008
• Subjects: TK Electrical engineering. Electronics Nuclear engineering
• Online Access: http://eprints.utm.my/id/eprint/12849/

Guard time length (GT) is one of the key OFDM parameters. It is implemented as Cyclic Prefix (CP) to completely alleviate Intersymbol Interference (ISI) and to preserve orthogonality among OFDM subcarriers as long as the guard time length is sufficiently greater than channel delay spread. Convention...