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Successful prototyping of a real-time hardware based terrain navigation correlator algorithm
Swedish Defence Material Administration, Sweden.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.
RealFast Hardware Consulting AB, Västerås, Sweden.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.
2003 (Engelska)Ingår i: Proceedings - Euromicro Symposium on Digital System Design, DSD 2003, 2003, s. 334-337Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

One of the main problems for underwater terrain navigation using the correlation method is the significant computing time due to the large amount of calculations. When the algorithm is used on a regular PC, the processing time is far too long for real time applications. The Swedish navy is interested in a none-revealing terrain navigation system that can perform in real time. The article describes an implementation of a navigation system into a hardware accelerator (in one FPGA supported by two SDRAMs). The use of a FPGA gives parallelism and will shorten the computing time considerable. The actual computing time has been decreased with over 100 times compared with similar PC applications. The implementation is programmed into a Virtex®-II Xilinx device and has been written in VHDL. A SDRAM controller IP-block was designed and implemented in the FPGA. Also a custom made prototype PCB board was developed in the project.

Ort, förlag, år, upplaga, sidor
2003. s. 334-337
Nyckelord [en]
Concurrent computing, Correlation, Correlators, Field programmable gate arrays, Hardware, Military computing, Navigation, Parallel processing, Prototypes, Real time systems
Nationell ämneskategori
Data- och informationsvetenskap
Identifikatorer
URN: urn:nbn:se:mdh:diva-29389DOI: 10.1109/DSD.2003.1231964Scopus ID: 2-s2.0-84944338901ISBN: 0769520030 (tryckt)ISBN: 9780769520032 (tryckt)OAI: oai:DiVA.org:mdh-29389DiVA, id: diva2:862744
Konferens
Euromicro Symposium on Digital System Design, DSD 2003, 1 September 2003 through 6 September 2003
Tillgänglig från: 2015-10-23 Skapad: 2015-10-23 Senast uppdaterad: 2018-01-11Bibliografiskt granskad

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