- Amazon (Redmond, WA)
- …DSP algorithm development, modeling and simulation . Solid understanding of OFDM , AGC, beamforming algorithms, MIMO, channel estimation, equalization techniques . ... Communication Theory (signal estimation and detection, AGC, channel estimation), OFDM , MIMO, Digital/Wireless Communication Systems and engineering . Extensive… more
- Amazon (Redmond, WA)
- …simulation tools (CST/HFSS) - Good understanding of modern wireless technologies ( OFDM /MIMO) and medium access procedures - Familiarity with basics of probability ... and estimation theory Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our… more
- Amazon (Redmond, WA)
- …single and multi-carrier techniques, modulation types such as PSK, APSK, QAM, OFDM - Understanding of electromagnetic propagation and antenna systems - Experience ... with RF test equipment such as spectrum analyzers, network analyzers - Experience mentoring engineers in engineering best-practices and domain-specific technical principles Amazon is an equal opportunity employer and does not discriminate on the basis of… more
- Amazon (Redmond, WA)
- …FW/SW development - * Experience with communication theory and RF-systems; eg, OFDM , MIMO, etc. - * Experience working with different chip interfaces/layers eg, ... RF, PHY, etc. - * Experience in wireless (satellite and/or terrestrial) system architecture, design and/or implementation. - * Experience of end-to-end system integration and testing - * Experience with on-orbit payload verification or satellite testing - *… more
- Amazon (Redmond, WA)
- …single and multi-carrier techniques, modulation types such as PSK, APSK, QAM, OFDM * Understanding of electromagnetic propagation and antenna systems * RF/microwave ... design using ADS, HFSS, AWR Microwave Office * Experience with the design and integration of RF systems consisting of radio transmitters and receivers, LNAs, PAs, couplers, filters, etc. * Experience with RF test equipment, such as spectrum analyzers and… more
- SpaceX (Redmond, WA)
- …with 3GPP 4G/5G (LTE/NR) physical layer design or other modern broadband OFDM waveforms such as WiMAX, 802.11 WiFi, DVB-S2, DVB-C, 5G NTN (non-terrestrial ... networks). + Familiarity with forward error correction (FEC) coding concepts. + Basic familiarity with MAC layer (medium access control, L2). + Development and optimization of complex signal processing algorithms in both fixed and floating point. + Familiarity… more