Scoping Study on Pseudolites
Pseudolites or pseudo-satellites are an emerging technology with the potential of enabling satellite navigation indoors. This technology found several applications that are not limited to indoor navigation. Precise landing, emergency services in difficult environments and precise positioning and machine control are few examples where pseudolite technology can be employed.
Despite the great potential of this technology, severe interference problems with existing GNSS services can arise. The problem can be particularly severe when considering non-participating receivers, i.e., legacy devices not designed for pseudolite signals. The design of pseudolite signals is thus a complex problem that has to account for market requirements (modifications of existing receivers for enabling the use of pseudolite signals, measurement accuracy, target application), regulatory aspects (frequency bands to be allocated for pseudoliteservices) and interference problems.
The main aspects for the design of a pseudolite signal standard minimizing the interference problem without compromising the location capabilities of the system are considered. The focus is on the signal characteristics and topics relevant for the signal design. A literature review on the different pseudolite applications, prototypes and solutions adopted for minimizing the interference problem is first conducted. Recommendations on the aspects that should be further investigated are then provided.
O'DRISCOLL Cillian;
BORIO Daniele;
FORTUNY GUASCH Joaquim;
2011-05-13
Publications Office of the European Union
JRC64608
978-92-79-19990-5,
1018-5593 (print),
1831-9424 (online),
EUR 24798 EN,
OP LB-NA-24798-EN-C,
https://publications.jrc.ec.europa.eu/repository/handle/JRC64608,
10.2788/10293,
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