Download Navigation Signal Processing for GNSS Software Receivers by Thomas Pany PDF

By Thomas Pany

The development of software program radio know-how has supplied a chance for the layout of performance-enhanced GNSS/GPS receivers which are extra versatile and more uncomplicated to increase than their FPGA or ASIC dependent opposite numbers. Filling a spot within the present literature at the topic, this hugely useful source bargains engineers an in-depth realizing of navigation sign detection and estimation algorithms and their implementation in a software program radio. This distinct e-book makes a speciality of excessive precision purposes for GNSS signs and an leading edge RTK receiver inspiration in keeping with distinction correlators. CD-ROM incorporated! It includes time-savings, ready-to-use sign estimation and detection algorithms that engineers can fast practice to their particular receiver improvement tasks.

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Extra resources for Navigation Signal Processing for GNSS Software Receivers (Gnss Technology and Applications)

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All four front ends sample a real signal. This avoids the use of a second ADC and simplifies the data transfer. 4 will present applications where GNSS SDRs have already been established. Software receivers are excellent teaching tools; two books have already been published on this topic [23, 24]. 1 ASIC Replacement The most obvious application of a GNSS SDR receiver is to replace existing hardware chip solutions. For laptops/mobile phones/PNDs (or in general, for embedded systems), there already exists laboratory software as well as commercial solutions.

2 IF sample access methods. 1 GNSS Sample Handling 35 digitized samples are transferred to the processing platform running the software receiver. The platform sees the received signal as a continuous stream of samples. , GPS L1 and L2). 1 Timing The streams are required to be synchronously derived from the ADC output; no sample must be lost when the data is transferred from the ADC to the processing platform. The ADC itself is required to be synchronized to the front-end oscillator, which also controls signal down conversion.

SDRs can be created using different hardware technologies. The lowest levels of a SDR, which include an antenna and an amplifier, do not differ from conventional hardware radios. At the next level, a SDR might directly digitize the received RF broadband signal, or it may first downconvert and filter it before carrying out 17 18 Software-Defined Radio digital sampling. 4 GHz) required, a high bit resolution to control signal dynamics of all signals in the frequency range is also required. 5 bits every 8 years [4].

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