Results 201 to 210 of about 24,024 (250)

Safe image transmission with hybrid quantum key-genetic encryption via spatial modulation assisted NOMA. [PDF]

Sci Rep
Thennavan S, Jayapalan A.
europepmc   +1 more source

Real-time specific absorption rate supervision for a 32-channel RF transmit system with virtual observation points. [PDF]

Magn Reson Med
Fiedler TM, Orzada S, Grimm JA, Batkai B, Dinkelacker S, Kratzer FJ, Klein C, May MW, Mayer F, Schweins L, Ladd ME.   +10 more
europepmc   +1 more source

First evidence of naturally vertically transmitted Coxiella-like endosymbionts in Haemaphysalis bispinosa from dairy cattle in Indonesia. [PDF]

Sci Rep
Dermawan DN, Supriyono, Vernanda MI, Satiti H.   +3 more
europepmc   +1 more source

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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).
Aaron Gulliver, A Ghassemi, T A Gulliver   +2 more
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, G Tong Zhou
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

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.
Eon Kyeong Joo
exaly   +2 more sources

Decimation-in-Time FFT Subblocking for Partial Transmit Sequence OFDM

Vehicular Technology Conference-Fall (VTC-FALL), Proceedings, IEEE, 2007
We consider an IFFT-based technique for reducing the peak-to-average power ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) signal. The intermediate signals in a radix decimation-in-time (DIT) algorithm is used for subblock partitioning in the partial transmit sequence (PTS) technique.
A Ghassemi, T A Gulliver
exaly   +2 more sources

Binary honey bee mating partial transmit sequence to improve OFDM

International Journal of Advanced Intelligence Paradigms, 2019
A huge shortcoming of orthogonal frequency division multiplexing (OFDM) is the extreme peak-to-average power ratio (PAPR) of the transmitted signals. Partial transmit sequence (PTS) method is capable of enhancing PAPR statistics of OFDM signals. In PTS method, data block to be forwarded is split into disjointed sub-blocks and the sub-blocks are merged ...
exaly   +2 more sources

Hybrid genetic algorithm in partial transmit sequence to improve OFDM

International Journal of Intelligent Systems Technologies and Applications, 2020
P Ravi Kumar
exaly   +2 more sources