RONJA

RONJA គឺ​ជា​ប្រព័ន្ធ​គមនាគមន៍​ទស្សន​សម្ពន្ធ​ឥតខ្សែ​។ ប្រភ​ពនៅ​សាធារណរដ្ឋ​ឆែក​ បង្កើត​ដោយ​ Karel Kulhavý នៃ Twibright Labs និង​ចេញ​ផ្សាយ​នៅ​ក្នុង​២០០១។ វា​បញ្ជូន​ទិន្នន័យ​ដោយ​យ៉ាង​​ឥតខ្សែ​ដោយជ្វាលា​។ Ronja អាច​ត្រូវ​បាន​ប្រើ​ដើម្បី​បង្កើត​ តំណ​ភ្ជាប់​អ៊ីសឺរណិត​ភាព​ទ្វេគុណ​ 10Mbps . គេ​បាន​ប៉ាន់ប្រមាណ​ថា​ ១០០០ដល់​២០០០ តំណ​ភ្ជាប់​ៗ​ត្រូវ​បាន​សង់​នៅ​ទាំង​ភព​ផែន​។

## ការប្រើ​ប្រាស់​ក្នុង​ការ​អប់រំ 
គំនូរ​នេះ​ចំហ​ប្រភព​ជា​មួយ​ ការណែនាំ​ផលិត​​ពេញលេញ​ម្តង​មួយ​ជំហាន​ បាន​គឺមូលដ្ឋាន​នៃនិក្ខេបបទ​បណ្ឌិត​ (PhD) ១ និក្ខេបបទ​បរិញ្ញាបត្រ​
(MSc) និងបាសឺល័រ (Bc) ១០ ប្រឡង​បញ្ចប់​ការ​សិក្សា​វិទ្យាល័យ​ ៣ និង​សកម្មភាព​វិជ្ជាជីវះ​វិទ្យាល័យ​ ១។ ទៀត​ និក្ខេបបទ​បណ្ឌិត​ (PhD)
និក្ខេបបទបរិញ្ញាបត្រ​ (MSc) និងបាសឺល័រ (Bc) ១៦ និងផែន​ការ​ឆមាស​សាកល​វិទ្យាល័យ​ ១ ដកស្រង់​ Ronja  

## ការផលិត 
សេចក្ដី​ណែនាំសម្រាប់​ការ​កសាងគឺបាន​សរសេរ​ឱ្យអ្នក​សាង​សង់គ្មាន​បទ​ពិសោធន៍។ ​ការដំឡើង ១៥៤ នៅ​ទាំង​ភព​ផែន​ត្រូវ​បាន​ចុះ​ឈ្មោះ​ចូល​ទៅ​ក្នុងវិចិត្រសាល​ជា​មួយ​ ជា​មួយ​ទិន្នន័យបច្ចេកទេស​និងរូបភាព​២។

## Notes 
## References 
*

* page 56

* Unstrung: Da Doo Ron RONJA 

* Ronja talk at WSFII London 2005 (archive.org)

* Hack a Day: Ronja

* Building a Ronja-lightlink: A User Testimonial (web.archive.org)

* The 3D modeling software BRL-CAD, originally developed by the US Army since 1979, showcases Ronja as a project which uses BRL-CAD

* Phanumas Khumsat, Noppadol Wattanapisit, Karel Kulhavey, "Low-Cost Laser-Based Wireless Optical Transceiver for 10-Mbps Ethernet Link", Proceedings of IEEE Region 10 Conference (TENCON), Hong Kong, China (2006), which publishes the Ronja design with minor modifications, publishes the Ronja receiver and transmitter schematics virtually unchanged, and features a photograph of a Ronja Twister built on the official Ronja PCB. 

* Phanumas Khumsat, Noppadol Wattanapisit, Karel Kulhavey, "Optical Front-Ends for Low-Cost Laser-Based 10-Mbps Free-Space Optical Transceiver" (full text), Proceeding of IEEE Asia Pacific Conference on Circuits and Systems 2006, 1911-1914 (2006), which publishes the Ronja design with minor modifications, publishes the Ronja receiver and transmitter schematics virtually unchanged, and features a photograph of the official Ronja optical heads and holders.

* [I. Rukovanský, M. Horváth, L. Solárik, P. Cícha: Computer Networks (in Czech), a university lecture textbook, European Polytechnic Institute - a Private University, 2015, pages 66-67](http://docplayer.cz/9741937-Evropsky-polytechnicky-institut-s-r-o-1-soukroma-vysoka-skola-na-morave-kunovice-pocitacove-site.html )

* Johan Söderberg: Free software to open hardware: Critical theory on the frontiers of hacking, Doctoral Dissertation, University of Gothenburg, ISBN 9789197544276, Sweden, 2011.

* David Němec: Cableless optical transmission (in Czech), Master diploma thesis, Institute of Telecommunications, Faculty of Electrical Engineering and Communication, Brno, Czech Republic, 2012. 

* Santi Phasuk (สันติ ผาสุข): Design and Implementation of a Data Transceiver via Visible Light Beam (in Thai with English abstract), Master Thesis, Kasetsart University, Bangkok, Thailand, 2011.  

* B. Bakala: Realization of Optical Link, Bachelor project, Department of Telecommunication Engineering, Czech Technical University, Prague, Czech Republic, 2011.

* Jan Matyáš: FPGA-Based Ronja Twister (full text), Bachelor's Thesis, Department of Computer Systems, Faculty of Information Technology, Brno University of Technology, Czech Republic, 2011. 

* Bc. Lukáš Chobot: Wireless data transfer via optical modules (in Czech), Diploma Thesis, Faculty of Applied Computer Science, Tomas Bata University, Zlín, Czech Republic, 2011. 

* Bc. Filip Němec: Optical Cableless Transmittion (in Czech), Master's Thesis, Department of Telecommunications, Faculty of Electrical Engineering and Communication, Brno University of Technology, Czech Republic, 2010. 

* T. Szabo: Design and realization of wireless optical connection RONJA (mentioned in annual report), Master thesis, Department of Telecommunications, Faculty of Electrical Engineering and Information, Slovak University Of Technology in Bratislava, Slovakia, 2007.

* Bc. Ľubomír Adámek: Wireless Data Transmission (in Czech), Diploma Thesis, Faculty of Applied Computer Science, Tomas Bata University, Zlín, Czech Republic, 2006. 

* Libor Štěpán: Wireless Optical Link for LAN Ethernet (in Czech), Bachelor Thesis, Faculty of Applied Computer Science, Tomas Bata University, Zlín, Czech Republic, 2006. 

* M. A. Chancey: Short Range Underwater Optical Communication Links (full text), Master Thesis, North Carolina State University, USA, 2005.
  

## External links 
* 

* RONJA Adaptation for Underwater 

* British council project - Promotion of ronja in community networks in UK 2004