The DSP engineer (digital signal processing engineer) is dedicated to developing algorithms for signal processing in the broad sense. He works on projects in the fields of telecommunications, audio, video, space domain, medical imaging, etc.
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ELSYS has design centers in Europe (France), Eastern Europe (Serbia) and a branch in the USA (California, in the Silicon Valley).
- OFDM Definition
- Roles and Responsibilities
- Educational Background
- Job Opportunities in France
What is OFDM?
OFDM (Orthogonal Frequency Division Multiplexing) is a method of digital signal modulation in which a data stream is spread over several narrower carriers at different frequencies to reduce interference and the crosstalk effects.
OFDM technology was designed in the 1960s / 70s to ensure clean data transmission in conducive situations for interference and signal corruption when more conventional modulation schemes are used.
It is used in Wi-Fi, DSL transmissions, mobile networks, digital terrestrial television, broadcasting etc.
What does a DSP engineer do?
What does a digital signal processing engineer do? After collecting a need, the signal processing engineer usually conducts a state-of-the-art study. For example, he / she studies the different OFDM demodulation techniques implemented in different standards, or the automatic estimation techniques of ODFM parameters, including pilot carriers.
Then, he defines an OFDM demodulator architecture. This includes time synchronization, frequency synchronization, channel equalization from the drivers, automatic estimation of OFDM parameters etc.
According to the result of the synthesis of the state of the art, he will either take the existing elements, make them evolve, or design new algorithms to cover the need. In the latter case, he implements Matlab and C simulation chains for VHDL study and validation.
How to become a DSP engineer?
To become a digital signal processing engineer, it is essential to be graduated of an engineering school or a university master’s degree, for example with a specialization in image / audio / video processing.
PhDs in the field of signal processing who have completed a thesis whose field of application is close to the industry needs are also highly appreciated.
What skills are needed to become a DSP Engineer?
He has a good knowledge of applied mathematics.
He knows C, C++ and Matlab programming languages, even Python.
Technical English is of course necessary for non-native English speakers.
After a few years of experience, he can progress to positions of expert signal processing engineer, signal processing project manager or signal processing team leader.
In addition to the technical skills of the position, there are managerial qualities: ability to define a work plan and follow it up, ensure inter-team cooperation (which can can be dispersed over several design centers).
DSP Engineer Salary
The salary of a signal processing engineer depends on several factors, mainly his training, his experience or the region where he works. In France, a young graduate can expect a salary between 33K€ and 36K€.
ELSYS Design regularly hires signal processing engineers in France. Find out employment opportunities on our jobs board, where it is also possible to submit an unsolicited application.