TY - GEN
T1 - An adaptive anti-narrowband jamming receiver for CI/OFDM system
AU - Chen, Xiaohu
AU - Wang, Jun
AU - Gao, Pei
AU - Li, Shao Qian
PY - 2012
Y1 - 2012
N2 - To overcome the inherent shortcomings of orthogonal frequency division multiplexing (OFDM) system, a so-called carrier interferometry OFDM (CI/OFDM) system has been proposed. In CI/OFDM system, data symbols are spreading over all OFDM subcarriers through CI coding so that better frequency diversity gain and lower peak to average power ratio (PAPR) can be obtained. In this paper, we investigated the anti-narrowband jamming performance of CI/OFDM system. We analyzed the post-detection signal-to-jamming plus noise ratio (SJNR) of two kinds of CI/OFDM receiver schemes, which are differentiated each other based on whether the jamming subcarriers are discarded. By comparing their performance in different jamming scenarios, we concluded that each scheme can only work well under specified suitable jamming scenario, in which the one outperforms the other. According to this observation, we further propose an adaptive anti-narrowband jamming CI/OFDM receiver, which adjusts the detection scheme according to the jamming power and bandwidth, to match the corresponding jamming scenarios. Simulation results are provided to validate our scheme.
AB - To overcome the inherent shortcomings of orthogonal frequency division multiplexing (OFDM) system, a so-called carrier interferometry OFDM (CI/OFDM) system has been proposed. In CI/OFDM system, data symbols are spreading over all OFDM subcarriers through CI coding so that better frequency diversity gain and lower peak to average power ratio (PAPR) can be obtained. In this paper, we investigated the anti-narrowband jamming performance of CI/OFDM system. We analyzed the post-detection signal-to-jamming plus noise ratio (SJNR) of two kinds of CI/OFDM receiver schemes, which are differentiated each other based on whether the jamming subcarriers are discarded. By comparing their performance in different jamming scenarios, we concluded that each scheme can only work well under specified suitable jamming scenario, in which the one outperforms the other. According to this observation, we further propose an adaptive anti-narrowband jamming CI/OFDM receiver, which adjusts the detection scheme according to the jamming power and bandwidth, to match the corresponding jamming scenarios. Simulation results are provided to validate our scheme.
KW - Carrier interferometry
KW - narrowband jamming
KW - orthogonal frequency division multiplexing (OFDM)
UR - https://www.scopus.com/pages/publications/84869595938
U2 - 10.1007/978-3-642-30493-4_35
DO - 10.1007/978-3-642-30493-4_35
M3 - 会议稿件
AN - SCOPUS:84869595938
SN - 9783642304927
T3 - Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering
SP - 359
EP - 370
BT - Wireless Internet - 6th International ICST Conference, WICON 2011, Revised Selected Papers
T2 - 6th International ICST Conference on Wireless Internet, WICON 2011
Y2 - 19 October 2011 through 21 October 2011
ER -