Mobility enhancement for the DVB-S2 protocol to allow reliable broadband multimedia communication via satellite using portable handheld devices.
Develop interference mitigation measures in multi-spot-beam terabit capacity satellite communication systems operating at Ka-/V-band frequencies.
Working on improved characterisation of the dynamics of rain attenuation on satellite links and have active radiometry, meteorological and satellite beacon measurements at two sites in Pontypridd and Chilbolton Observatory in England.
Otung I. E., and Enoch S., 2011, “Mitigation of rain attenuation in fixed WiMAX using cell site diversity”, IET Electronics Letters, 3 March 2011, Vol. 47, Issue 5, p.349-351, doi:10.1049/el.2010.7367
Andersen JB, Eggers PCF, Otung I., “Modelling scintillations of the rain channel on a satellite link”, Under revision for submission to International Journal of Satellite Communications & Networking
Abdulkareem K., Richter J., Otung I., “XPD-induced interference in dual-polarised high capacity satellite communication systems”, Work completed; internal revisions in progress for submission to IEEE Transactions on Antennas & Propagation
Ugalla L., Eastment J., and Otung I., “Evaluation of DVB-S2 Performance on an Experimental Ka-band Satellite Link in the UK”, 31st AIAA International Communication Satellite Systems Conference (ICSSC), Florence, Italy, 14-17 October 2013
Otung I., “Characterisation of nonlinearity and intermodulation distortion in C- & Ku-band satellite transponders”, 31st AIAA International Communication Satellite Systems Conference (ICSSC), Florence, Italy, 14-17 October 2013
Otung I., 2013, “Approaches to satellite networking: A critical evaluation of impact on capacity and quality of service”, Invited Paper, SMi Oil and Gas Telecommunications Conference, London, 20 – 21 March 2013
Ugalla L., Eastment J., and Otung I., 2012, “DVB-S2 link availability enhancement by integration with time diversity”, APSL Research Symposium, Sheffield, 17 Nov. 2012
Otung I. E., 2012, “Trends in satellite communications: Implications for Nigeria in the 21st century”, International Guest Lecture, African Regional Centre for Space Science and Technology Education, Ile-Ife, Nigeria, 22 June 2012
Otung I. E., Uggalla L., Eastment J., and Willis M., 2012, “EUTELSAT 20 GHz Beacon Measurements in the UK”, COST IC0802, Propagation tools and data for integrated telecommunication, navigation and earth observation systems, MCM 7, Portsmouth, 16-18 April 2012
Otung I. E., 2012, “Satellites in orbit: Tracking location and motion on earth”, UK National Science & Engineering Week, Cardiff, 17-18 March 2012
Otung I. E., 2012, “Bandwidth efficiency: Maximising your return on spectrum investment”, Oil & Gas Communications Conference, London, UK, 21-22 March 2012
Otung I. E., and Udofia K., 2011, “Efficacy of time diversity on V-band satellite links and impact of event dynamics”, Proceedings of ESA Workshop on Radiowave Propagation 2011, ESTEC, Noordwijk, The Netherlands, 30 Nov. – 2 Dec. 2011
Andersen J.B., Eggers P.C.F., and Otung I.E., 2011, “Statistics of rain attenuation revisited”, XXXth URSI General Assembly and Scientific Symposium., Istanbul, 13 – 20 Aug 2011
Otung I. E., 2011, “Mobile satellite communications in the 21st century: A review of the state of the art”, 2nd International Science Research Seminar, University of Calabar, Nigeria, 25 May 2011
Otung I. E., 2011, “Mobile Satellite Systems”, 4th Oil and Gas Telecommunications Conference, Marriott Regents Park, London, UK, 23 – 24 March 2011
Otung I. E., 2011, “Bringing space down to earth”, UK National Engineering and Science Week, Techniquest, Cardiff, UK, 19 March 2011