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Ph.D. positions (3 positions) in “Sensor Network Aided Cognitive Radio” at the Departmentof Electronics and Telecommunications, NTNU, Norway - IME-077-2007

Ph.D. Research fellowships (1 – 3 positions) are offered within the area of “Sensor Network Aided Cognitive Radio” at the Department of Electronics and Telecommunications within the Faculty of Information Technology, Mathematics and Electrical Engineering, The Norwegian University of Science and Technology (NTNU).

One of the Ph.D. scholarships is financed by EU FP7 under the project SENDORA (SEnsor Network for Dynamic and cOgnitive Radio Access), while the other two scholarships possibly will be funded by the Research Council of Norway (NFR) under the project CROPS2. The latter project is likely to be funded by the Norwegian Research Council NFR, and the two Ph.D. students related to CROPS2 will only subject to successful negotiations.

The two projects are complementary and synergetic research projects with both academic and industrial partners from Norway, Sweden, Finland, France, Spain and Italy. The goal of both projects is to improve the usage of radio spectrum by means of cognitive radio. In cognitive radio secondary (unlicensed) users are allowed to transmit as long as they do not degrade primary (licensed) users’ communication. This leads to coexistence between primary and secondary use of radio frequencies. A dedicated sensor network can aid the cognitive radio by sensing the radio spectrum to find the frequencies and power levels that causes the least interference with other users in a certain area. The projects will have the emphasis on addressing basic research aspects for such methods, and in addition SENDORA will also produce a demonstrator.

The focus of the Ph.D. positions will be on developing strategies for interference management, access schemes, transmission and detection methods and resource allocation for sensor network aided and ad-hoc network based cognitive radio systems. The aim is to maximize throughput and minimize interference for both primary and secondary users. In SENDORA this includes the development of an interference model based on different scenarios and systems requirements and a description of the radio propagation in the environment the system should operate in. For the two Ph.D. students in CROPS2, the emphasis will be on development of efficient distributed algorithms for detection of electromagnetic signals at low signal to noise ratios, and cooperative methods for multi-user transmission for different network topologies with different demands on delay and data rate.

The doctoral candidates will be associated with, and have a main supervisor from the Department of Electronics and Telecommunications at NTNU. The candidates will work in a strong and active scientific environment, and the project will incorporate collaboration with several partners in Norway and abroad, as well as active international publication of research results.

We seek highly motivated individuals holding a master’s degree in electrical engineering, communication technology, or other relevant disciplines. The candidate should have competence in statistical signal processing, communication theory, and digital communication. The candidates must be formally qualified for Ph.D. studies at NTNU. General information about doctoral studies at NTNU can be found at It is demanded that the scholarship holders apply for, and are accepted for, the Ph.D. study programme at NTNU as soon as possible after hiring.

Interested candidates are encouraged to contact Associate Professor Torbjörn Ekman (e-mail: , tel. +4773594604) or Professor Geir E. Øien (e-mail: ; phone: +4793455408) for further information.

Award holders at NTNU are normally appointed for 4 years with 25% of the time spent on specified work. This work is primarily linked to teaching and is usually divided so that a relatively large part is done in the first half of the period of the appointment.

The position is remunerated according to wage levels 43 to 58 on the Norwegian State salary scale, with gross salary from NOK 325.600 to NOK 423.800 a year (1 NOK ~ 0.125 EUR), of which 2% is deducted for the Norwegian Public Service Pension Fund.

The appointment will be made in accordance with current regulations with relevant parts of “Supplementary guidelines for employment as research fellow at NTNU”.

The goal of the announced position is to obtain a PhD degree. Applicants must agree to participate in organised doctoral study programmes within the period of the appointment. The successful applicants must agree to the conditions laid down for public employees. A contract will be drawn up regarding the period of appointment and work-related duties for award holders.

The national labour force must reflect the composition of the population to the greatest possible extent. It is therefore a major political objective to achieve a balance of gender and to recruit persons with an immigrant background. Immigrants are encouraged to apply for this post.

NTNU wants to increase the proportion of women in its scientific posts. Women are encouraged to apply.

The application must contain information about education, examinations and previous experience. Certified copies of certificates and documents must be attached.

Three copies of publications and any other work which the applicant wishes to be taken into account should also be enclosed. Joint works will be considered. If it is difficult to specify the input of the applicant in a joint work, a short summary should be attached outlining the applicant's input.

Applications are to be sent to the Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, Gamle Fysikk, Sem Sælands vei 5, NO-7491 Trondheim, Norway. The application deadline is 31.12.2007. The file number for the positions, Jnr. IME-077-2007, is to be clearly stated on the application.

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Page last modified on December 04, 2007, at 09:38 AM EST