guard interval duration 97 ns= TGI: TDFT/4 14.6 ns=128×Tc Tseq Detection sequence duration 3054.5 ns=21× TSTF: Tseq Channel Estimation sequence duration 1309.1 ns=9×Tseq TCE: Symbol Interval 0.485µs= TSYM: TDFT+TGI Header Duration 0.485 µs=TSYM (OFDM) THEADER: 1.75 µs =3×512×Tc (SC) control mode chip rate 880 MHz FCCP: control mode chip time 1.14 ns = 1/FCP TCCP: control mode training field duration 7.5636 µs =52× TSTF-CP: Tseq control mode channel estimation field duration 1309.1 ns=9×Tseq TCE-CP: (OFDM) TData NSYM×TSYM (SC) NBLKS×(512+64)×Tc NOTE—NSYM is defined in 21.5.3.2.3.3 (LDPC encoding process) and is defined in 21.6.3.2.3.3 (LDPC encoding process). Frequently used parameters Symbol Explanation Number of coded bits per symbol NCBPS Number of data bits per symbol NDBPS Number of coded bits per single carrier NBPSC Code rate R
TGI: guard interval duration 97 ns= TDFT/4 Tseq 14.6 ns=128×Tc TSTF: Detection sequence duration 3054.5 ns=21× Tseq TCE: Channel Estimation sequence duration 1309.1 ns=9×Tseq TSYM: Symbol Interval 0.485µs= TDFT+TGI THEADER: Header Duration 0.485 µs=TSYM (OFDM) 1.75 µs =3×512×Tc (SC) FCCP: control mode chip rate 880 MHz TCCP: control mode chip time 1.14 ns = 1/FCP TSTF-CP: control mode training field duration 7.5636 µs =52× Tseq TCE-CP: control mode channel estimation field duration 1309.1 ns=9×Tseq TData NSYM×TSYM (OFDM) NBLKS×(512+64)×Tc (SC) NOTE—NSYM is defined in 21.5.3.2.3.3 (LDPC encoding process) and is defined in 21.6.3.2.3.3 (LDPC encoding process). Frequently used parameters Symbol Explanation NCBPS Number of coded bits per symbol NDBPS Number of data bits per symbol NBPSC Number of coded bits per single carrier R Code rate