Narrow-band interference rejection in OFDM-CDMA transmission system

Author

Hsiao, Hsu-Feng ; Hsieh, Meng-Han ; Wei, Che-Ho

Author_Institution

Dept. of Electron. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan

Volume

4

fYear

1998

fDate

31 May-3 Jun 1998

Firstpage

437

Abstract

In this paper, we present a new method called “differential threshold exciser (DTE)” to suppress narrow-band interference in an OFDM-CDMA transmission system. Also, another threshold exciser, “overthrough threshold exciser (OTTE)”, is discussed. The two methods use different transform characteristics of the interference and information signal to suppress the narrow-band interference regardless of the interference being stationary or nonstationary. The DTE algorithm has nearly the same performance as the OTTE algorithm with less computation complexity

Keywords

code division multiple access; frequency division multiplexing; interference suppression; jamming; land mobile radio; signal processing; OFDM-CDMA transmission system; computation complexity; differential threshold exciser; narrow-band interference rejection; orthogonal FDM; overthrough threshold exciser; transform characteristics; AWGN; Autoregressive processes; Bandwidth; Baseband; Fourier transforms; Interference suppression; Multiaccess communication; Narrowband; OFDM; Transmitters;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on

Conference_Location

Monterey, CA

Print_ISBN

0-7803-4455-3

Type

conf

DOI

10.1109/ISCAS.1998.698918

Filename

698918