Rapid Acquisition of CM and CL Code for GPS L2C Software Receivers
نویسندگان
چکیده
منابع مشابه
Post Detection Integration Strategies for GPS L2C Signal Acquisition
L2C is the second civilian signal introduced on the modernized block of Global Positioning System (GPS) satellites. The two PN sequences employed in L2C, named CM and CL, have periods of 20 milliseconds and 1.5 seconds respectively. With longer PN codes, the search space for L2C acquisition becomes huge. In this paper, the Generalized Post Detection Integration (GPDI) technique is introduced to...
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Sana Ullah Qaisar received his Masters degree in Telecommunication Engineering from the University of New South Wales, Australia in 2003. He has gained experience in the Telecommunication industry and served as a faculty member at NUCES, Islamabad (Pakistan). He is currently pursuing his PhD at School of Surveying & Spatial Information System, University of New South Wales, Australia. His resea...
متن کاملFFT-Based Acquisition of GPS L2 Civilian CM and CL Signals
Block processing Fast Fourier Transform (FFT) algorithms have been developed to do signal acquisition for the new CM and CL civilian codes that will appear on the L2 GPS frequency once the Block IIR-M satellites are launched. These algorithms have been developed to aid in the acquisition of weak GPS signals. FFT block processing can be used to significantly reduce the computational burden cause...
متن کاملCross-correlation Performance Comparison of L1 & L2C GPS Codes for Weak Signal Acquisition
The GPS constellation now contains six fully-operational Block IIR-M satellites. Each of these modernized satellites transmits the second GPS civil signal L2C. One of the key objectives of the L2C signal is to offer high cross-correlation protection, allowing weak signal acquisition in the presence of strong GPS signals in environments such as inside buildings and in urban canyons. The L2C sign...
متن کاملReal-time acquisition and tracking for GPS receivers
Current GPS receivers spend much time in base-band processing performing acquisition and tracking. This is due to the large number of required operations in the software-based signal processing. This paper presents a novel signal acquisition and tracking method that reduces the number of operations, simplifies hardware implementation and decreases the acquisition time. The implementation of thi...
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ژورنال
عنوان ژورنال: Journal of Electrical Engineering and Technology
سال: 2011
ISSN: 1975-0102
DOI: 10.5370/jeet.2011.6.5.723