Results 221 to 230 of about 190,014 (273)

Fractional Subblocking for Partial Transmit Sequence OFDM

IEICE Transactions on Communications, 2008
Partial transmit sequence (PTS) is a well known technique used to reduce the peak-to-average power ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) signal. However, it has relatively high complexity due to the computation of multiple inverse fast Fourier transforms (IFFTs).
T Aaron Gulliver
exaly   +2 more sources

Phase factor sequences algorithm in partial transmit sequence

Transactions of Tianjin University, 2009
Partial transmit sequence (PTS) is a promising technique for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM). While in optimal PTS, an exhaustive search for all combinations of phase factor sequences is required, this results in huge computation.
Ke Wang
exaly   +2 more sources

Comparing Selected Mapping and Partial Transmit Sequence for PAR Reduction

IEEE Transactions on Broadcasting, 2007
Selected mapping (SLM) and partial transmit sequence (PTS) are two existing distortionless peak-to-average power ratio (PAR) reduction schemes that have been proposed for orthogonal frequency division multiplexing (OFDM). Previously, it was argued that SLM and PTS have comparable PAR reduction performance but that the latter has lower computational ...
Robert J. Baxley, Guo Tong Zhou
exaly   +2 more sources

A novel subblock partition scheme for partial transmit sequence OFDM

IEEE Transactions on Broadcasting, 1999
In general, there has been a trade-off between performance of peak-to-average power ratio (PAPR) reduction and computational complexity in partial transmit sequence (PTS) orthogonal frequency division multiplexing (OFDM). In this paper, a novel subblock partition scheme (SPS) for PTS OFDM is proposed and analyzed.
Seog Geun Kang   +2 more
exaly   +2 more sources

Partial Transmit Sequence Scheme for Envelope Fluctuation Reduction in OFDMA Uplink Systems

IEEE Communications Letters, 2018
This letter proposes a new partial transmit sequence (PTS) scheme to reduce envelope fluctuations in orthogonal frequency-division multiple access (OFDMA) uplink systems. We found that the conventional PTS can be seriously degraded in the non-contiguous allocation of OFDMA uplink systems due to the linearity in the conventional phase rotations.
Dong Chan Park, Suk Chan Kim
exaly   +2 more sources

Hybrid genetic algorithm in partial transmit sequence to improve OFDM

International Journal of Intelligent Systems Technologies and Applications, 2020
Venkata Naganjaneyulu Panchala
exaly   +2 more sources

Decoupled Phase Optimization for Partial Transmit Sequence OFDM

2009 IEEE Wireless Communications and Networking Conference, 2009
Partial transmit sequence (PTS) is a proven technique for peak-to-average-power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems. Determining the optimal phase factors requires an exhaustive search over all possible sets of phase factors. Hence, simplified optimal and suboptimal approaches have been proposed. Previous
Abolfazl Ghassemi, T. Aaron Gulliver
openaire   +1 more source

Randomization Algorithm for Partial Transmit Sequence with Semidefinite Relaxation

2018 IEEE 88th Vehicular Technology Conference (VTC-Fall), 2018
To reduce peak-to-average power ratio is a significant task for Orthogonal Frequency Multicarrier Systems. In this paper, we propose a method to choose a suitable vector for a partial transmit sequence technique. Our method is to generate random vectors from the Gaussian distribution whose covariance matrix is a solution of a relaxed problem and to ...
Hirofumi Tsuda, Ken Umeno
openaire   +1 more source

Home - About - Disclaimer - Privacy