Design of Reconfigurable Carrier NCO and PN Code NCO in Satellite Navigation Receiver

2014 ◽  
Vol 644-650 ◽  
pp. 4587-4590
Author(s):  
Ping Gong ◽  
Xing Cun Wu ◽  
Gang Fu
Keyword(s):  
Navigation System ◽  
Basic Structure ◽  
Satellite Navigation ◽  
Design Parameters ◽  
Satellite Navigation System ◽  
The Future

The compatible receiver for satellite navigation is the trend of the receiver along with appears a variety of satellite navigation system. The basic structure of carrier NCO and PN code NCO was designed according to the parameters which are determined on the basis of the introduced theory of reconfigurable carrier NCO and PN code NCO. The hardware testing of the designed carrier NCO and PN code NCO had finished in the end, and the result shows that the carrier NCO of and PN code in accordance with the design parameters; therefore ,the design can process dissimilar navigating signal, which is used in the channel processing of reconfigurable navigating signal directly. It is a firm base of researching and exploiting compatible receiver for a variety of satellite navigation system in the future.

scholarly journals Research on BeiDou Satellite Positioning Algorithm Based on GPRS Technology

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Li Yang ◽  
Yunhan Zhang ◽  
Haote Ruan
Keyword(s):  
Real Time ◽  
Navigation System ◽  
Satellite Navigation ◽  
Positioning Systems ◽  
Time Dynamic ◽  
Satellite Navigation System ◽  
Satellite Positioning ◽  
Error Elimination ◽  
Wireless Module ◽  
Positioning Algorithm

The BeiDou Satellite Navigation System of China can provide users with high precision, as well as all-weather and real-time positioning and navigation information. It can be widely used in many applications. However, new challenges appear with the expansion of the 5G communication system. To eradicate or weaken the influence of various errors in BeiDou positioning, a BeiDou satellite positioning algorithm based on GPRS technology is proposed. According to the principles of the BeiDou Satellite navigation system, the navigation and positioning data are obtained and useful information are extracted and sent to the communication network through the wireless module. The error is corrected by establishing a real-time kinematic (RTK) mathematical model, and the pseudorange is calculated by carrier phase to further eliminate the relativistic and multipath errors. Based on the results of error elimination, the BeiDou satellite positioning algorithm is improved and the positioning error is corrected. The experimental results show that the positioning accuracy and efficiency of the algorithm can meet the actual needs of real-time dynamic positioning systems.

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