physical layer developer

Role Description

We are looking for an experienced Senior PHY Engineer / Physical Layer Developer to join an exciting R&D team working on next-generation Optical Wireless Communication (OWC) and LiFi technologies.

Location: On-site

Experience: 5–8 Years

Qualification: M.Tech / M.S. / Ph.D. – ECE, Electrical Engineering, Signal Processing, Wireless Communications or related fields

Key Responsibilities

• Design and develop PHY algorithms for LiFi and FSO communication systems

• Work on OOK, PPM, DCO-OFDM, ACO-OFDM and advanced modulation techniques

• Develop channel coding solutions including LDPC, Polar and Reed-Solomon

• Model optical wireless channels including turbulence, pointing errors, receiver noise and non-linearities

• Build end-to-end PHY/link-level simulations using MATLAB / Python

• Evaluate BER, throughput, EVM and spectral efficiency

• Translate fixed-point algorithms into FPGA/RTL/HLS implementations

• Develop/review VHDL / Verilog for PHY blocks

• Work with AMD/Xilinx Vivado for simulation, synthesis and hardware validation

• Contribute to research, prototyping and experimental validation

Must-Have Skills

Strong Digital Communications & DSP fundamentals

PHY / Physical Layer algorithm development

OFDM, channel estimation, synchronization & detection

MATLAB or Python – hands-on simulation from scratch

FPGA-aware / fixed-point algorithm development

VHDL / Verilog / RTL knowledge

Wireless Communication / 4G / 5G PHY experience

Good to Have

⭐ LiFi / VLC / Optical Wireless Communication / FSO

⭐ IEEE 802.11bb / 3GPP / ITU-T FSO

⭐ Optical channel modelling – Gamma-Gamma, turbulence, pointing errors

⭐ Optical MIMO / spatial diversity

⭐ SDR, USRP, GNU Radio

⭐ Vitis HLS / OpenCL

⭐ Research publications in IEEE / Communications / Photonics journals

We are especially interested in two profiles:

1️⃣ M.Tech/PhD candidates with research experience in VLC, LiFi, OWC, optical OFDM or wireless channel modelling.

2️⃣ Industry Wireless PHY Engineers with strong PHY + DSP + FPGA fundamentals who are interested in moving into Optical Wireless R&D.