TY - GEN
T1 - On the PAR reduction of OFDM signals using multiple signal representation
AU - Jayalath, A. D.S.
AU - Athaudage, C. R.N.
PY - 2003
Y1 - 2003
N2 - Multiple signal representation (MSR) techniques have been used to reduce the high peak-to-average power ratios (PAR) of Orthogonal Frequency Division Multiplexing (OFDM) signals. These includes partial transmit sequences (PTS), selected mapping (SLM), selective srambling, and interleaving. All MSR techniques often improve the PAR statistics and are iterative in nature. The PAR reduction obtainable depends on the number of iterations performed, which also increases the complexity of the OFDM transmitter. However, a means to estimate the achievable PAR reduction for a given number of iterations has not been reported in the literature so far. This paper derives a bound on the achievable PAR when a MSR technique with a given complexity is used. Our analytical results show a clear asymptotic behavior of the PAR as the number of iterations is increased. Simulation results justify the significance and accuracy of the PAR bound derived.
AB - Multiple signal representation (MSR) techniques have been used to reduce the high peak-to-average power ratios (PAR) of Orthogonal Frequency Division Multiplexing (OFDM) signals. These includes partial transmit sequences (PTS), selected mapping (SLM), selective srambling, and interleaving. All MSR techniques often improve the PAR statistics and are iterative in nature. The PAR reduction obtainable depends on the number of iterations performed, which also increases the complexity of the OFDM transmitter. However, a means to estimate the achievable PAR reduction for a given number of iterations has not been reported in the literature so far. This paper derives a bound on the achievable PAR when a MSR technique with a given complexity is used. Our analytical results show a clear asymptotic behavior of the PAR as the number of iterations is increased. Simulation results justify the significance and accuracy of the PAR bound derived.
UR - http://www.scopus.com/inward/record.url?scp=28244464175&partnerID=8YFLogxK
U2 - 10.1109/PIMRC.2003.1264383
DO - 10.1109/PIMRC.2003.1264383
M3 - Conference contribution
SN - 0780378229
SN - 9780780378223
T3 - IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
SP - 799
EP - 803
BT - PIMRC2003 - 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications, Proceedings
T2 - 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC2003
Y2 - 7 September 2003 through 10 September 2003
ER -