Proposal and application of hybrid SLM-PTS method in 8QAM-OFDM optical access system for reducing PAPR influence

Li, Changxiang; Shao, Yufeng; Wang, Zhifeng; Zhou, Yue; Zhou, Junyi; Ma, Wenzhe; Wang, Jianjun

doi:10.1109/icivc.2017.7984688

Cited by 4 publications

(4 citation statements)

References 11 publications

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“…To minimize the computational complexity, we should optimize the steps of PTS. In the previous schemes [8][9][10][11][12], although PAPR performance has been improved to some extent, it also brings high computational complexity.…”

Section: The Proposed Schemementioning

confidence: 99%

“…The total SI is (Vlog 2 (U/V)+V).Table 1 lists the computational complexity and SI comparison summary of different schemes, including not only the traditional SLM and PTS schemes and the ESP scheme proposed in this paper, but also the other two comparison schemes. One of the two selects [8] as the typical SLM-PTS fusion scheme, and the other selects the cascade scheme. The N is the number of signal subcarriers.…”

Section: Number Of Ifft Modules Simentioning

confidence: 99%

“…In recent years, in order to reduce the PAPR of OFDM signals, many combination technologies have been proposed by native and foreign scholars. [8] proposed a parallel structure. It divides the data flow into two parts, through SLM and PTS modules, which is obviously a suboptimal result.…”

Section: Introductionmentioning

confidence: 99%

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PAPR reduction of OFDM systems using embedded SLM-PTS combination scheme

Hou

Suo

2023

International Conference on Image, Signal Processing, and Pattern Recognition (ISPP 2023)

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Orthogonal frequency division multiplexing (OFDM) has been regarded as the key technology of broadband wireless communication, and a variety of multi-carrier systems have been developed on this basis. However, almost all multicarrier systems face the problem of high peak-to-average power ratio (PAPR), which brings high bit error rate. Many methods to reduce PAPR have been proposed, such as clipping, SeLective Mapping (SLM), Partial Transmit Sequence (PTS), etc. Among them, hybrid methods can benefit from joint advantages and obtain better performance. This paper proposes an efficient embedded SLM-PTS combination scheme(ESP). This scheme divides the ODFM signal into subblocks, executes SLM steps in each sub-block, and then brings the results of each sub-block to the next step. The simulation results show that compared with the traditional hybrid scheme, this scheme can achieve better PAPR reduction performance and effectively reduce the complexity.

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Section: The Proposed Schemementioning

confidence: 99%

Section: Number Of Ifft Modules Simentioning

confidence: 99%

See 1 more Smart Citation

PAPR reduction of OFDM systems using embedded SLM-PTS combination scheme

Hou

Suo

2023

International Conference on Image, Signal Processing, and Pattern Recognition (ISPP 2023)

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show abstract

“…In [ 19 ], a novel hybrid SLM-PTS algorithm is suggested and analysed in a 10 Gbit/s 8QAM-OFDM optical access system for decreasing the PAPR effect. Transmitted signals are split into two data subblocks following the serial-to-parallel conversion, with one subblock being processed using the SLM technique and the other using the PTS method.…”

Section: Literature Reviewmentioning

confidence: 99%