Narrow-band interference rejection in OFDM-CDMA transmission system

2002 ◽  
Author(s):  
Hsu-Feng Hsiao ◽  
Meng-Han Hsieh ◽  
Che-Ho Wei
Keyword(s):  
Narrow Band ◽  
Transmission System ◽  
Interference Rejection

A High Efficient Baseband GNSS Signal Narrow Band Anti-Jamming Approach in Frequency Domain

2014 ◽  
Vol 926-930 ◽  
pp. 1857-1860
Author(s):  
Zhou Zheng ◽  
Meng Yuan Li ◽  
Wei Jiang Wang
Keyword(s):  
Signal Processing ◽  
Frequency Domain ◽  
Narrow Band ◽  
Low Frequency ◽  
Frequency Resolution ◽  
Interference Rejection ◽  
High Efficient ◽  
Digital Down Conversion ◽  
Down Conversion ◽  
Low Rate

In order to reduce the burden of the calculation and the low frequency resolution of the tradition GNSS signal intermediate narrow band anti-jamming method, it introduces a high efficient approach of narrow band interference rejection based on baseband GNSS signal processing. After digital down conversion to baseband and down sampling to a low rate, the interference is removed in frequency domain. According to the theoretical analysis and simulation, it claims that the method can reduce the calculation and increase the detection resolution in frequency domain which will realize a high efficient interference rejection.

Constant modulus interference rejection at DSSS∕QPSK transmission system

2002 ◽  
Vol 38 (19) ◽  
pp. 1130 ◽  
Author(s):  
Z. Nikolić ◽  
B. Dimitrijević ◽  
N. Milošević ◽  
D. Paunović
Keyword(s):  
Transmission System ◽  
Interference Rejection ◽  
Constant Modulus
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