An Efficient Transceiver Scheme for SC-FDMA Systems Based on Discrete Wavelet Transform and Discrete Cosine Transform

作者：Al Kamal Faisal S; Hassan Emad S; Abd El Naby Mohammed; Shawki Farid; El Khamy Said E; Dessouky Moawad I; Sallam Bassiouny M; Alshebeili Saleh A; Abd El Samie Fathi E^*

来源：Wireless Personal Communications, 2015, 83(4): 3133-3155.

DOI：10.1007/s11277-015-2587-8

• DCT
• DFT
• PAPR
• SC-FDMA
• DWT

In this paper, the discrete cosine transform (DCT) is utilized for single carrier frequency division multiple access (SC-FDMA) transmission. Firstly, an improved DCT-based SC-FDMA (DCT SC-FDMA) system is introduced. Then, the paper presents a new transceiver architecture design for the uplink SC-FDMA system that implements a cosine basis function or a complex exponential Fourier basis function. The proposed architecture uses the discrete wavelet transform and a hybrid companding and clipping method for peak-to-average power ratio (PAPR) reduction. From the simulation results, it is shown that the DCT SC-FDMA system achieves a superior bit error rate (BER) performance than that of the discrete Fourier transform based SC-FDMA (DFT SC-FDMA) system. The results also show that the proposed wavelet based transceiver architectures for the DFT SC-FDMA system and the DCT SC-FDMA system can provide a better BER performance and a lower PAPR than the conventional DFT SC-FDMA system.

• 出版日期2015-8