LTE 5G Modem Systems Engineer

1 week ago

Falls Church, Virginia, United States Lynk Global Inc Full time
About Lynk Global Inc

Lynk Global Inc is a pioneering company that has invented satellite-direct-to-standard-phone (sat2phone) technology, and holds the world's only commercial license from the FCC to operate a commercial sat2phone system.

We are growing rapidly, and our technology will enable all 8 billion people on the planet to stay connected with the existing standard phone in their pocket.

By joining Lynk Global Inc, you will have the opportunity to directly touch the lives of billions, pull hundreds of millions out of poverty, and save countless lives.

Job Summary

As an LTE / 5G Modem Engineer at Lynk Global Inc, you will design and plan wireless radio communications systems, including radio propagation modeling and prediction, interference analysis, frequency coordination.

Additionally, you will design and develop the DSP software for LTE / 5G, estimate Doppler and propagation delays, create algorithms to process, manage and analyze link budgets and implement compensation algorithms at LTE / 5G Air interface and physical layer.

Core Responsibilities
  • Analyze link budget of LTE / 5G system between satellite and UEs
  • Design physical layer receiver for the LTE eNodeB / 5G gNodeB on satellite
  • Implementation of baseband modems on software defined radio platforms
Qualifications
  • A master's degree in engineering with 3 – 7 years of related experience required
  • In-depth knowledge of wireless communication systems (OFDM/MIMO, etc.)
  • Experience in physical layer algorithm design, algorithm validation, feature bring up, and commercialization
  • Strong knowledge in LTE and 5G standards, including PHY, MAC, and RRC specifications
  • Strong knowledge of software defined radios and their implementation
  • Familiarity with existing telecommunications software stacks (e.g., GSM, LTE, 5G NR implementations)
  • Hands-on experience on lab testing & characterization
Deep Understanding of Communication Theory & Signal Processing

Deep understanding of communication theory & signal processing related algorithms design (such as timing recovery, signal estimation and detection, RF impairment estimation and correction, channel modeling and estimation, Doppler compensation techniques, etc.)

Experience with MATLAB or Python and/or C/C++

Experience with MATLAB or Python and/or C/C++ for algorithm development, modeling, and simulation

Experience with Test Equipment

Experience using test equipment like signal generators, spectrum analyzers, etc.

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