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

Author

Li Lei ; Sun Enchang ; Zhang Yanhua

Author_Institution

Coll. of Electron. Inf. & Control Eng., Beijing Univ. of Technol., Beijing, China

fYear

2010

fDate

23-25 Sept. 2010

Firstpage

1

Lastpage

6

Abstract

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.

Keywords

3G mobile communication; frequency division multiple access; radio links; 3GPP-LTE uplink; CAZAC sequences; Chu sequence; Frank sequence; Golomb sequence; SC-FDMA; Walsh-Hadamard sequences; peak to average power ratio reduction; phase shifted sequences; pilot sequences; Discrete Fourier transforms; Frequency division multiplexing; Frequency domain analysis; Peak to average power ratio; Simulation; Time domain analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communications Networking and Mobile Computing (WiCOM), 2010 6th International Conference on

Conference_Location

Chengdu

Print_ISBN

978-1-4244-3708-5

Electronic_ISBN

978-1-4244-3709-2

Type

conf

DOI

10.1109/WICOM.2010.5600800

Filename

5600800