Computational Complexity Reduction of OFDM Signals by PTS with Various PAPR Conventional Methods
BANOTHU RAMESH, MR. B. GIRI RAJU, , ,
Affiliations M.Tech, DECS, ACE ENGINEERING COLLEGEProfessor, Dept. of ECE, ACE ENGINEERING COLLEGE
- In this paper we analyze Partial transmit sequences (PTS),it is one of the most attractive schemes to
reduce the Peak-to-Average Power Ratio (PAPR) reduction in Multi-Input Multi-Output Orthogonal Frequency Division
Multiplexing (MIMO-OFDM) system with Space Frequency Block Coding (SFBC) is proposed. However, the Optimal PTS
(OPTS) scheme requires an exhaustive searching over all combinations of allowed phase factors. Consequently, the
computational complexity increases exponentially with the number of the subblocks. Recursive phase weighting (RPW)
technique is a novel method whose aim is to reduce computational complexity and achieve the same performance in
PAPR reduction as compared to O-PTS.Theoretical analysis and simulation results show that , compared with O-PTS
and PTS employing RPW, PTS with AO-RPW method reduces the computational complexity but at the cost of loss of
performance for PAPR reduction.
BANOTHU RAMESH,MR. B. GIRI RAJU."Computational Complexity Reduction of OFDM Signals by PTS with Various PAPR Conventional Methods". International Journal of Computer Engineering In Research Trends (IJCERT) ,ISSN:2349-7084 ,Vol.2, Issue 11,pp.797-803, November - 2015, URL :https://ijcert.org/ems/ijcert_papers/V2I1120.pdf,
Keywords : Orthogonal Frequency Division Multiplexing (OFDM) System, Multi-Input Multi-Output Orthogonal
Frequency Division Multiplexing (OFDM), Space Frequency Block Code (SFBC), Partial Transmit Sequence (PTS),
Peak-to-Average Power Ratio (PAPR)
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