Peak-to-average power ratio reduction of an OFDM signal using partial transmit sequences

Cimini, Leonard J.; Sollenberger, N.R.

doi:10.1109/4234.831033

Cited by 682 publications

(97 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Figure 6 represents the OFDM signal that is transmitted. The BER vs. SNR plot and CCDF Vs. Squared Crest Factor plot (Cimini and Sollenberger, 2000;Jiang et al, 2007) for our proposed technique were shown in Fig.7 and 8 …”

Section: Simulation Resultsmentioning

confidence: 99%

See 1 more Smart Citation

An Efficient Power Reduction Technique in Orthogonal Frequency Division Multiplexing System Using Tone Reservation

Nandalal¹

2013

Journal of Computer Science

View full text Add to dashboard Cite

In a basic communication system, the data's are modulated onto a single carrier frequency. The available bandwidth is then totally occupied by each symbol. This kind of system can lead to InterSymbol-Interference (ISI) in case of frequency selective fading. The basic idea of Orthogonal Frequency Division Multiplexing (OFDM) is to divide the available spectrum into several orthogonal sub channels so that each narrowband sub channel experiences almost flat fading. In OFDM system, orthogonally placed sub-carriers are used to carry the data from the transmitter end to the receiver end. However, the major challenging issue is to reduce PAPR and Bit Error Rate (BER). The reduction algorithm for OFDM signals is presented in this project using convex optimization technique along with Tone Reservation (TR). Tone reservation uses other unused or reserved tones to design a peakcancelling signal that lowers the PAR of a transmit OFDM block. Similarly it lowers the bit error rate. In contrast to previous methods, the tone reservation with convex optimization implies a very quick convergence of minimum-PAR and bit error rate solution at a lower computational cost. Also the effects of oversampling at l = 1,2,4,8 on the performance of proposed OFDM system is discussed.

show abstract

Section: Simulation Resultsmentioning

confidence: 99%

“…So reducing PAPR (Cimini and Sollenberger, 2000) and Bit Error Rate (BER) is a major concern. Figure 2 shows the generation of OFDM signal.…”

Section: Problem Formulationmentioning

confidence: 99%

An Efficient Power Reduction Technique in Orthogonal Frequency Division Multiplexing System Using Tone Reservation

Nandalal¹

2013

Journal of Computer Science

View full text Add to dashboard Cite

show abstract

“…The main motive is to increase the size of the constellation so that signal basic constellation can map intoseveral equivalent point in the new extended constellation (Cimini and Sollenberger, 2000;Suma et al, 2014).…”

Section: Tone Injection (Ti)mentioning

confidence: 99%

A Review on OFDM and PAPR Reduction Techniques

Кумар¹,

Gupta²

2015

American Journal of Engineering and Applied Sciences

View full text Add to dashboard Cite

OFDM is a multi carrier transmission technique where a single set of data is transmitted over a number of sub-carrier. OFDM takes the advantage of multi-path propagation and reduces the fading effect. The idea of OFDM is to split the total transmission bandwidth into a number of orthogonal subcarriers which reduces the inter-symbol-interference, power consumption and increases the capacity and efficiency of the system. PeakAverage-Power-Ratio (PAPR) is one of the dis-advantage of OFDM which reduces the efficiency of system. In first part of this review, We have describe the OFDM characteristics of signals and its designing by combining the different block and in next part of this work, we have consider the PAPR effect in OFDM signals and have compared and review a several PAPR Reduction Techniques. The aim of this article is to provide a comprehensive detail about the implementation of an OFDM System and to study the different PAPR reduction techniques.

show abstract

“…The functional block diagram of an OFDM system with a PTS scheme is shown in Figure 1 as that in [4]. The data block X is partitioned into M disjoint subblocks X m , where m = 1, 2,..., M, such that…”

Section: Formulation Of Ofdm With Ptsmentioning

confidence: 99%

“…To reduce the computational complexity for searching rotation phases in PTS, various suboptimal methods that achieve significant reduction in complexity were presented in [4][5][6][7][8][9][10][11]. Owing to an intensive improvement of circuit design for genetic algorithms (GAs) in recent years [12,13], PTS based on GAs not only has moderate PAPR reduction performance but also shows potential for practical implementation among these methods.…”

Section: Introductionmentioning

confidence: 99%

PAPR reduction of OFDM signals using PTS: a real-valued genetic approach

Lain

Yang

2011

J Wireless Com Network

View full text Add to dashboard Cite

The partial transmit sequences (PTS) scheme achieves an excellent peak-to-average power ratio (PAPR) reduction performance of orthogonal frequency division multiplexing (OFDM) signals at the cost of exhaustively searching all possible rotation phase combinations, resulting in high computational complexity. Several researchers have proposed using binary-coded genetic algorithms (BGA) PTS to reduce both the PAPR and computational load. To improve the PAPR statistics of OFDM signals further while still reducing the computational complexity, this paper proposes a new PTS using the real-valued genetic algorithm (RVGA). By defining a cost function based on the amount of PAPR, PTS can be formulated as an optimization problem over a multidimensional real space and solved by implementing the RVGA method. The simulation results show that the performance of the proposed RVGA PTS, along with an extinction and immigration strategy, provides approximately the same PAPR statistic as the exhaustive PTS scheme, while maintaining a low computational load.

show abstract

Peak-to-average power ratio reduction of an OFDM signal using partial transmit sequences

Cited by 682 publications

References 6 publications

An Efficient Power Reduction Technique in Orthogonal Frequency Division Multiplexing System Using Tone Reservation

An Efficient Power Reduction Technique in Orthogonal Frequency Division Multiplexing System Using Tone Reservation

A Review on OFDM and PAPR Reduction Techniques

PAPR reduction of OFDM signals using PTS: a real-valued genetic approach

Contact Info

Product

Resources

About