A Fast Non-Data Aided PN Code Acquisition Method Based on FFT
- Resource Type
- Conference
- Authors
- Jian, Cheng; WenMing, Zhu; Li GuangXia
- Source
- 2006 International Symposium on Communications and Information Technologies Communications and Information Technologies, 2006. ISCIT '06. International Symposium on. :395-398 Oct, 2006
- Subject
- Communication, Networking and Broadcast Technologies
Computing and Processing
Components, Circuits, Devices and Systems
Frequency conversion
Analytical models
Correlators
Time domain analysis
Modulation coding
Frequency estimation
Satellite communication
Programmable logic arrays
Paper technology
Spread spectrum communication
- Language
The paper presents a fast non-data aided parallel PN code acquisition method based on FFT. This method improves frequency scan performance and can eliminate influence of data modulation on code acquisition. The proposed method can reduce acquisition time and decrease acquisition threshold. Implementation block diagram of this method is presented in this paper. Theory analysis and simulation results show fast PN code acquisition can be realized under low SNR and high dynamic conditions.