PAPR Reduction using Frequency Domain Multiplexed Pilot Sequences

Lam, Chan‐Tong; Falconer, D.D.; Danilo-Lemoine, F.

doi:10.1109/wcnc.2007.269

Cited by 4 publications

(6 citation statements)

References 9 publications

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“…As illustrated in [2], Walsh-Hadamard Sequence (WHS) is the most commonly used selection for orthogonal sequences. WHS is derived from the Walsh-Hadamard matrix, which is defined as follows [3]:…”

Section: Further Discussionmentioning

confidence: 99%

“…Traditionally there are two types of schemes, localized FDMA (LFDMA) and interleaved FDMA (IFDMA). For LFDMA, we insert pilot frequency sequences as in (2), and (3) is for IFDMA:…”

Section: Papr Reduction With Pilot Sequencesmentioning

confidence: 99%

“…All the steps above are summarized in Fig. 3 [2]. The simulation parameters are set as in Table I above.…”

Section: Papr Reduction With Pilot Sequencesmentioning

confidence: 99%

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A Method for PAPR Reduction Using Pilot Sequences in SC-FDMA

Sun

Zhang

2010

2010 International Conference on Computational Intelligence and Software Engineering

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In this paper, a method of reducing peak to average power ratio (PAPR) in 3GPP-LTE uplink (SC-FDMA) was proposed. We investigated the method of reducing PAPR using pilot sequences and detailed schemes. The advantages and disadvantages of Walsh-Hadamard Sequences were discussed. This kind of sequence is easy to use but is of high PAPR. Then we discussed several CAZAC sequences, mainly about phase shifted sequences, such as Chu sequence, Frank sequence and Golomb sequence. We also compared the differences between various kinds of pilot sequences. Considering both the complexity and the performance improvement of these sequences, we draw the conclusion that pilots with Golomb Sequence are the best choice among the sequences above.

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Section: Further Discussionmentioning

confidence: 99%

“…Traditionally there are two types of schemes, localized FDMA (LFDMA) and interleaved FDMA (IFDMA). For LFDMA, we insert pilot frequency sequences as in (2), and (3) is for IFDMA:…”

Section: Papr Reduction With Pilot Sequencesmentioning

confidence: 99%

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A Method for PAPR Reduction Using Pilot Sequences in SC-FDMA

Sun

Zhang

2010

2010 International Conference on Computational Intelligence and Software Engineering

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“…To achieve frequent channel estimation in fast fading environments, pilot symbols need to be multiplexed with discrete Fourier transform (DFT)-precoded symbols in single carrier (SC)-frequency domain equalization (FDE) systems 1 . However, insertion of pilot symbols in a SC-OFDM symbol destroys its single carrier property, causing the peak to average power ratio (PAPR) to increase [2].…”

Section: Introductionmentioning

confidence: 99%

“…To overcome the problem, the authors in [2] proposed an adaptive hybrid SC-OFDM transmission method, namely frequency domain superimposed pilot technique (FDSPT). The disadvantage of the FDSPT is the penalty on bit error rate (BER) performance due to the superimposition of DFT precoded symbols with pilot symbols.…”

Section: Introductionmentioning

confidence: 99%

A Novel PAPR Reduction Scheme for SC-OFDM with Frequency Domain Multiplexed Pilots

et al. 2012

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In this letter, a novel data-pilot multiplexing scheme with reduced peak to average power ratio (PAPR) is introduced for single carrier (SC)-orthogonal frequency division multiplexing (OFDM) systems. In the proposed scheme, phases of SC-OFDM symbols are rotated adaptively such that PAPR is reduced and circular shifts are introduced in the time domain (TD). To index the amount of phase rotation applied at the transmitter, a sequence of pilot symbols, which is unique for each phase rotation angle, is chosen from a predetermined set and multiplexed with the phase rotated SC-OFDM symbols in the frequency domain. Simulation results indicate that the proposed method can reduce the PAPR dramatically, and yield superior bit error rate (BER) performance compared to conventional methods.

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PAPR Reduction by Symbol Nulling

Welden

Steendam

2009

VTC Spring 2009 - IEEE 69th Vehicular Technology Conference

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PAPR Reduction using Frequency Domain Multiplexed Pilot Sequences

Cited by 4 publications

References 9 publications

A Method for PAPR Reduction Using Pilot Sequences in SC-FDMA

A Method for PAPR Reduction Using Pilot Sequences in SC-FDMA

A Novel PAPR Reduction Scheme for SC-OFDM with Frequency Domain Multiplexed Pilots

PAPR Reduction by Symbol Nulling

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