Ravi Jandial

Software Engineer

Bengaluru, Karnataka, India26 yrs 9 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Expert in digital signal processing for wireless systems.
  • Proven track record in LTE and GSM performance simulations.
  • Strong background in algorithm development and optimization.
Stackforce AI infers this person is a Telecommunications expert specializing in digital signal processing and wireless communication systems.

Contact

LinkedIn

Skills

Core Skills

Digital Signal ProcessingWireless Communication

Other Skills

Digital Signal ProcessorsLTESignal ProcessingAlgorithmsOptimizationSimulationCQI estimationLink Level SimulationsPerformance issuesHARQGSM Performance SimulationEnd to End Link level SimulationBenchmarkingDSP implementationFFT/IFFT

About

Specialties: Physical layer design and development, Channel estimation and equalization, Interference rejection combining (IRC), Maximal ratio combining (MRC), channel coding, signal processing, digital communication and algorithm development for wireless communication systems (GSM/GPRS/EDGE, OFDM, LTE, DVB-H). Optimized DSP programming for SIMD processors, Vector processors, DSP architectures, MIPS and code/data memory estimation, DSP optimization techniques.

Experience

26 yrs 9 mos
Total Experience
5 yrs 4 mos
Average Tenure
10 yrs 11 mos
Current Experience

Mediatek

Principal Engineer

May 2015 – Present · 10 yrs 11 mos

Digital Signal ProcessorsLTESignal ProcessingAlgorithmsOptimizationDigital Signal Processing+1

Ericsson

Principal Engineer, Simulation and Algorithms

Aug 2013 – Apr 2015 · 1 yr 8 mos

  • LTE Physical layer simulation
LTESimulationAlgorithmsDigital Signal ProcessingWireless Communication

St-ericsson

2 roles

LTE Performance Simulation

Aug 2012 – Jul 2013 · 11 mos · Bangalore, Nuremberg,

  • LTE Performance Simulation
  • CQI estimation, RI, PMI
  • Performance issues related to CQI/RI/PMI feedback, HARQ
  • Radio Link Monitoring investigation
  • Link Level Simulations
CQI estimationLink Level SimulationsPerformance issuesHARQDigital Signal ProcessingWireless Communication

GSM Link Simulation

Jan 2009 – Jun 2012 · 3 yrs 5 mos

  • GSM Performance Simulation:
  • End to End Link level Simulation. Benchmarking against 3GPP specifications
  • System level simulation like AGC, AFC.
  • SINR estimation based on training symbols.
  • RF noise figure analysis.
  • Algorithms:
  • Channel Estimation using Maximum Likelihood Estimation, Least squares estimation. Iterative Channel estimation in presence of coloured noise.
  • Whitening Filters based on the Noise Covariance Matrix.
  • Interference Cancellation techniques, Interference Rejection Combining (IRC), Maximal Ratio Combining (MRC)
  • Fixed point implementation of different receiver modules like whitening filter, Matrix inversion using Cholesky decomposition etc.
  • Frequency offset estimation.
  • Equalisation:
  • Decision Feedback Sequence Estimation
  • DSP:
  • MIPS and memory estimation of GSM modules on Vector processor.
  • Implementation and optimization of Viterbi decoder for different rates and constraint lengths on SIMD vector processor
  • Tools:
  • C/C++, MATLAB
GSM Performance SimulationEnd to End Link level SimulationBenchmarkingDigital Signal ProcessingWireless Communication

Nxp semiconductors

Architect

Aug 2007 – Dec 2008 · 1 yr 4 mos

  • DSP implementation of configurable FFT/IFFT for LTE.
  • Matlab design and performance simulation for DVB-SH-B channel equalizer (DFE) and soft-demapper.
  • Development of highly optimized Library modules like square root, inverse square root, FFT, sine/cosine, arctan, complex number norm for a SIMD Vector processor.
  • High precision fixed point implementation of mathematical functions.
DSP implementationFFT/IFFTMatlab designDigital Signal ProcessingWireless Communication

Sasken communication technologies limited

Software Engineer / Technical Leader

Feb 1999 – Aug 2007 · 8 yrs 6 mos · Bangalore

  • Tech lead for BDTI benchmarking for ADI processor
  • Optimized (assembly) implementation of DVB-H outer receiver on ADI DSP processor. Interleaver/De-interleaver, Viterbi decoder, Soft-demapper.
  • ADSL implementation.
  • WLAN
DVB-HADI DSP processorWLANDigital Signal Processing

Education

Indian Institute of Technology, Delhi

Mtech — Communication & Signal Processing

Netaji Subhas Institute of Technology (formerly Delhi Institute of Technology)/ Delhi College of Engineering

B.E. — Instrumentation & Control Engg

Sri Sathya Sai Vidya Vihar, Indore

Stackforce found 100+ more professionals with Digital Signal Processing & Wireless Communication

Explore similar profiles based on matching skills and experience

Gorla Pavan Kumar Reddy

Gorla Pavan Kumar Reddy

Digital Design Engineer

at Analog Devices

Cuddapah, India3 yrs 4 mos exp
Digital CommunicationRTL Design
Gokularaman C

Gokularaman C

Production Planning and Testing

at Foxconn

Vellore, India8 mos exp
David Roshan Cyril

David Roshan Cyril

Director - US Operations

at SurgeonsLab

Coimbatore, India10 yrs 2 mos exp
Srihari B

Srihari B

Senior Deputy General Manager

at FANUC India Pvt Ltd

Bengaluru, India31 yrs 6 mos exp
Application EngineeringC++CNC Machine Interface DesignCNC System SalesIOT Solutions
Anil Kumar

Anil Kumar

Staff Engineer

at Qualcomm

Hyderabad, India14 yrs exp
Signal ProcessingEmbedded Software
Vijayraj Ghadge

Vijayraj Ghadge

Lead AI Engineer

at Cradlewise

Bengaluru, India4 yrs 8 mos exp
Machine Learning
Ramji Mishra

Ramji Mishra

Senior Engineer 1

at Emerson

Pune, India8 yrs 2 mos exp
Dhiraj Singh

Dhiraj Singh

Assistant Director (IT)

at National Informatics Centre, Govt of India

Delhi, India2 yrs 4 mos exp