1. Curriculum Vitae
NILESH MORE Mobile: (+91)7738297916
Maharashtra CHS, Bldg no.- C-109, E- mail:nls030489@gmail.com
Flat no.- 0:2, Sector -26, Vashi,
Navi Mumbai - 400703.
Career Objective:
To pursue a challenging career in the wireless system design and Baseband, Mixed signal & RF circuit design to establish as a dynamic professional, that will contribute to company de- velopment and enrich my professional skills.
Work Experience:
Total Experience: 4 Years in Hardware Design (Baseband, Mixed Signal & RF Circuit and System Design).
Working as Hardware Design Engineer (Manager Cadre) at Reliance Jio Infocomm Ltd., Navi Mumbai (Reliance Industries Ltd.’s 4G Wireless R&D unit), Since August 2010 till date
Specialities:
Design, Development and Testing of the wireless products based on LTE, WiMAX and Wi-Fi technologies.
Summary:
1. Hardware Design and Testing
Understanding of different RF transceiver architectures like Super heterodyne architecture, Direct conversion (Zero IF) architecture, Baseband, Mixed signal and RF system/Subsystems such as LNA, PA, Frequency synthesizers (PLL based), I/Q Modulator/Demodulator, DAC, ADC, FPGA, Microcontroller and all types of oscillators(CXO, VCXO, OCXO).
Expertise in the Schematic review, PCB Layout review and DFM/DFT analysis
Expertise in making Layout guideline document for Baseband, Mixed Signal and RF sections of Hardware boards.
Radio Conformance Testing of RF product like basestations and handheld portable devices.
2. Experience in hardware design life cycle ( Product specification upto mass production)
Expertise in circuit and system simulation using Agilent's ADS tool
System level designing of communication systems including digital section design (FPGA, Microcontroller, Buffers, switches/multiplexers/demultiplexers, voltage level translators, I2C logic, Flip-flops, Gates, Buffer/Driver/Transceivers, 555 timer., EEPROM, NOR and NAND Flash)
Experience in design and performance testing of power management and battery management section (AC-DC converter, Buck, PMIC, POE and LDO, current sensors, Power monitoring/protection devices, Halfbrick and Fullbrick module battery charger IC and Fuel Gauge IC) for the communication systems. Experience in Line and Load regulation testing.
Expertise in making Test documents, RF testing and hardware debug
Experience in RF power amplifier linearization technique using Scintera and DPD (implemented in FPGA)
Experience in working with Software and component engineering teams
Expertise in the RF budget(transmitter and receiver) analysis, SNR/Noise analysis of a transceiver and power consumption analysis
Experience in Envelope tracking modulation for LDMOS PA of 4T4R LTE-TDD basestation
Expertise in XJTAG Program development
Experience in Sequans, Altair and Marvell based Baseband and RF chipsets.
Specialities in specific domains are mentioned below:
a) FPGA and Microcontroller Programming:
i. Xilinx FPGA used: Virtex 5 and Virtex 6
Tools used: ISE Design Suite: System Edition
ii. Altera FPGA used: Arria II GX and Stratix IV GX
Tools used: Quartus II, ModelSIM-Altera, DSP Builder
iii. Lattice Semiconductor FPGA used: iCE40HX
Tools used: Lattice Diamond, iCECube 2, Aldec Active-HDL Simulation
iv. Microcontroller used: Microchip PIC18FX, Atmel 89C51
Tools used: MPLAB® X IDE, Keil
3. Work done:
Implementation of CPRI, DUC/DDC, CFR IP cores and Grey logic for real-time and static configuration of various Mixed signal and RF subsystems like DAC, ADC, PLL synthesizers, DVGA, RF switches in Xilinx and Altera FPGA.
Implementation of Digital PLL in Lattice FPGA for 1pps-clock synchronization in LTE-TDD 2x2 Femto basestation
Implementation of Grey logic for real-time and static configuration of various Mixed signal and RF subsystems like DAC, ADC, PLL synthesizers, DVGA, RF switches in Microcontroller.
b) Baseband(Digital) Design and Testing
Experience in selection and testing of various Baseband subsystems for a H/W board to be designed as per the system performance requirements. The various subsystems included FPGA, Microcontroller, Buffers, switches/multiplexers/demultiplexers, voltage level translators, I2C logic, Flip- flops, Gates, Buffer/Driver/Transceivers, 555 timer, EEPROM, NOR and NAND flash.
Experience in FPGA and microcontroller programming for real-time and static configuration of various Mixed signal and RF subsystems like DAC, ADC, PLL synthesizers, DVGA, RF switches, etc. through SPI, I2C, parallel interface.
Understanding of CMOS, LVPECL, TTL, ECL, Open drain, etc.
c) Mixed Signal Design and Testing
Experience in selection and testing of various Mixed signal subsystems for a H/W board to be designed as per the system performance requirements. The various subsystems included I/Q Modulator/Demodulator, DAC and ADC.
d) RF Design and Testing
Experience in selection and testing of various RF subsystems for a H/W board to be designed as per the system performance requirements. The various RF subsystems included Mixers, PLL Synthesizers, Gain blocks, DVGA, RF switches, filters, isolator, coupler, LNA, etc.
Expertise in functional and performance testing of RF boards for various parameters like average channel power, peak power, Power spectral density, ACLR, Spectral emission mask, frequency error, Phase noise, EVM, CCDF etc.
Experience in preparing guidelines for EMI shielding of RF boards like Power Amplifer.
4. 2. Tools Used
Experience in RF/Microwave simulation tools such as Agilent's ADS tool
Experience in use of Labview(LTE-TDD and WiMAX-TDD toolkits), NI Teststand, Matlab, Simulink tool.
Used Mentor Graphic’s PADS for Schematic design and Layout
Experience in Embedded programming in C/C++
Expertise in XJTAG programming
3. Test Equipments
Worked on RF Test Equipment such as Vector Signal Generator , Vector Spectrum Analyzer, Vector Network Analyzer, Oscilloscope, PXB (Baseband Generator and Channel Emulator), Phase Noise Analyzer, Wideband Radio Communication tester like CMW500, Electronic DC load, LCR meter, DMM, etc.
4. Training sessions attended:
i. National Instruments’ training: It involved understanding basics of Labview and Teststand. It also included LTE-TDD and WiMAX –TDD RF toolkit. The training session also included understanding of toolkits of several standard telecom communication protocols like XJTAG, Serial, LAN, GPIB, etc.
ii. Seminar on EMI/EMC from Laird Technologies
iii. Seminar held by Reliance Jio Infocomm Ltd. on LTE physical layer and 3GPP RF specifications
iv. Basic training held by Agilent Technologies Ltd. for ADS.
v. Basic training held by Altera for FPGA design
vi. Seminar on Power supply design from Texas Instruments
vii. Seminar on EMI/EMC from Wurth Electronics
viii. Seminar on Multi-protocol RF Test and measurement from National Instruments
Educational Qualifications:
B.E. (Electronics and Telecommunication) from Fr. C. Rodrigues Institute of Technology, Vashi (University of Mumbai), passed out in May-2010 with First Class.
5. Commercial Product Projects Undertaken:
1. TD-LTE (4G) + WiFi USB Dongle Design (WiFi Communicator)
Team Size: 4
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Description:
This work involved design, development and testing of the 4G WiFi Communicator.
Roles & Responsibilities:
Involved in preparing High Level and Low Level Design documents
Involved in the RF link budget analysis, power consumption analysis and system level simulation
Responsible for the component selection and vendor communication
Involved in component selection for the RF and digital section (Transceiver, PA, LNA, power detector, SPDT, Baseband IC, PMIC, WiFi and NOR Flash) , power supply section(Buck Boost Regulator and PMIC) and battery management section( Charger IC and Fuel Gauge)
Responsible for the schematic capture and schematic review
Responsible for Layout guideline document for the device
Involved in the placement of components in PCB, Layout review and DFM/DFT analysis
Test document preparation, which involves functional and performance test
Responsible for XJTAG programming for the device
Involved in functional and performance test and also board bring up
Responsible for LTE and WiFi RF calibration of board
Radio conformance testing
NOR Flash Programming
Responsible for Battery- Fuel gauge calibration
Involved in preparing production test document
Involved in DFM review and implementation
Involved in factory support for mass production
2. TD-LTE MiFi (LTE to WiFi Router)
Team Size: 4
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Description:
This work involved design, development and testing of the 4G MiFi(LTE to WiFi Router)
Roles & Responsibilities:
Involved in preparing High Level and Low Level Design documents for the RF section
6. Involved in the RF link budget analysis, power consumption analysis and system level simulation
Responsible for the component selection and vendor communication
Involved in component selection for the RF LTE and WiFi section (Transceiver, PA, LNA, power detector, SPDT) , power supply section(Buck Boost Regulator and PMIC) and battery management section( Charger IC and Fuel Gauge)
Responsible for the schematic capture for the RF board and power supply section and schematic review
Responsible for Layout guideline document for the device.
Responsible for the BOM cost preparation and power (DC) estimation of the board
Involved in the placement of components in PCB, Layout review and DFM/DFT analysis
Test document preparation, which involves functional and performance test
Responsible for XJTAG programming for the device
Involved in functional and performance test and also board bring up
Responsible for LTE and WiFi RF calibration of board
Responsible for Battery- Fuel gauge calibration
NOR Flash Programming
Involved in production test document
Involved in executing test cases required for TD-LTE MIFI product to attain LTE(3GPP specifications) certification and WiFi(ETA) certification.
Involved in factory support for mass production
3. TD-LTE Macro Base station’s (4T4R) Transceiver Board Design.
Team Size: 4
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Description:
This work involves design, development and testing of the transmitter and receiver board
Roles & Responsibilities:
Involved in the RF link budget analysis, power consumption analysis and system level simulation
Involved in the RF link budget analysis and simulation
Responsible for the component selection and vendor communication
Involved in component selection for the RF (Transceiver, PA, LNA, Directional coupler), power supply and clock section
Responsible for the schematic capture design for the RF board and schematic review
Responsible for Layout guideline document for the device
Involved in preparing High Level and Low Level Design documents for the RF unit
Responsible for power (DC) estimation for the board
Involved in the placement of components in PCB and Layout review
Test document preparation, which involved functional and performance test
7. Responsible for evaluation of Tx and Rx chain of Transceiver board by replicating it with the evaluation boards of all subsystems used in design which included DAC, ADC, Clock generator, IQ Modulator/Demodulator, FPGA. The IP cores of CPRI, DUC/DDC, CFR were implemented in the FPGA.
Involved in functional and performance test and also board bring up of the RF board
4. TD-LTE Macro Base station’s (2T2R and 2T4R) RF Transceiver Board Design.
Team Size: 4
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Description:
This work involves design, development and testing of the transmitter and receiver board
Roles & Responsibilities:
Responsible for high level design documentation
Involved in the RF link budget analysis and simulation
Involved in component selection for the RF (Tx ,Rx and LO), power supply and clock section
Responsible for power (DC) estimation for the board
Involved in the placement of components in PCB, Schematic and Layout review
Test document preparation, which involved functional and performance test
Involved in functional and performance test and also board bring up of the RF board
5. TD-LTE Macro Base station’s (2T2R and 2T4R) LNA-TDD Board Design.
Team Size: 4
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Description:
This work involves design, development and testing of the transmitter and receiver board
Roles & Responsibilities:
Responsible for high level design documentation
Involved in the RF link budget analysis and simulation
Involved in component selection for the RF (LNA, Directional coupler, Circulator, High speed RF switch, Logarithmic RMS power detector, Control circuitry) and power supply section.
Responsible for power (DC) estimation for the board
Involved in the placement of components in PCB, Schematic and Layout review
Test document preparation, which involved functional and performance test
Involved in functional and performance test and also board bring up of the LNA-TDD board
8. 6. HomePlug® Power Line communication device
Team Size: 2
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Description: This work involved design , development and testing of HomePlug® Power Line communication device
Roles & Responsibilities:
Involved in preparing High Level and Low Level Design documents for the RF section
Involved in the RF link budget analysis, power consumption analysis and system level simulation
Involved in component selection for the RF components (Transceiver ,PA, LNA) and discrete power supply section(Regulator and LDO)
Responsible for the schematic capture design for the RF board and power supply section and schematic review
Responsible for Layout guideline document for the device
Responsible for BOM cost preparation and power (DC) estimation of the board
Involved in the placement of components in PCB and Layout review
Test document preparation, which involves functional and performance test
Involved in functional and performance test(Physical layer data rate vs attenuation along the path) and also board bring up
7. TD-LTE PICO Base station’s (2x1 watt) Baseband and RF Board Design.
Team Size: 3
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Description:
This work involves design, development and testing of TD-LTE PICO Basestation’s (2x1 watt) Baseband and RF Board. Roles & Responsibilities:
Involved in the RF link budget analysis and simulation
Involved in component selection for the RF (Tx ,Rx and LO), power supply and clock section
Responsible for making document for Tx and Rx chain analysis to calculate the number of bits for DAC and ADC required for meeting system requirements.
Responsible for power (DC) estimation for the board
Involved in the placement of components in PCB, Schematic and Layout review
Test document preparation, which involved functional and performance test
Involved in functional and performance test and also board bring up activity
9. 8. Implementation of Digital PLL in FPGA for 1pps-clock synchronization in TD-LTE Femto Basestation:
Tools used: Lattice Diamond, iCecube2
Team Size: 3
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Description:
This work involved design, development and testing of Digital PLL board for 1pps-clock synchronization in TD-LTE Femto Basestation.
Roles & Responsibilities:
Responsible for high level design documentation
Involved in component selection for the Digital (FPGA and flash), power supply and clock section
Responsible for FPGA programming for implementation of Digital PLL in Lattice FPGA
Responsible for power (DC) estimation for the board
Involved in the placement of components in PCB, Schematic and Layout review
Test document preparation, which involved functional and performance test
Involved in board bring up, functional and performance testing of board
9. Automated testing of LTE and WiMAX Macro Basestation boards for pilot production
Tools used: National Instruments’ Labview and Teststand
Team Size: 2
Company Name: Reliance Jio Infocomm Ltd (RIL’s 4G Wireless R&D unit).
Roles and Responsibilities:
Responsible for Labview VI and Teststand development activity for control of various
PXI-modular based as well as standard table top instruments like DC Power supply, Digital Multimeter, VSG, VSA, XJTAG, 4:1 RF Multiplexers, Dual RF SPDT switches, DC switching matrix to test various digital and RF boards of WiMAX-TDD and LTE- TDD 2T2R basestations.
Responsible for Teststand programming for automated test report generation of above DUT boards
Involved in schematic and PCB layout design of various active and passive test jigs(a PCB which acts as interface between instrument and DUT board)
10. Research projects undertaken:
1. Nujira® Envelope tracking modulator for PA of 4T4R LTE basestation- Description: This work involved studying the Envelope tracking modulator from Nujira and doing thorough analysis for integrating the same with Power Amplifier of 4T4R LTE basestation.
Roles and Responsibilities:
Responsible for studying the concept and making presentations/technical documents for integrating the device in 4T4R LTE-TDD basestation.
Involved in exploring the device availablity, initiating the contact and resolving technical queries with Nujira for final implementation.
2. Altera FPGA simulation for Tranceiver- CPRI, DUC, DDC and CFR for 4T4R LTE basestation - Description: This work involved implementation of FPGA based RF/RRH
SOC(System on chip).
This project involved development of CPRI, DUC/DDC, CFR, DPD in FPGA.
Roles and Responsibilities:
Responsible for finalizing resource utilization for FPGA.
Responsible for Simulation of CPRI, DUC, DDC, CFR and sharing the results with assigned support for further review.
3. Solar panel controller(SPC)-
Description: This work involved design, development and testing of a Hardware
board to control and switch the power supply from DC supply and Solar panel to the
basestation. The Hardware board had a micro-controller, current sensors and high speed & wattage switching relay to control and switch the power supply from DC power supply and Solar panel to the basestation giving priority to Solar panel supply and in case of deficiency from Solar Panel the supply to be obtained from DC power supply. This control and switching mechanism is implemented in the microcontroller.
Roles and Responsibilities:
Involved in design and assembly of SPC and standalone performance testing of SPC board in LAB.
Responsible for field testing of SPC with solar panel.
Responsible for resolving issue regarding the switching speed of relay on the occurrence of Overvoltage.
4. Preliminary document for Tx and Rx chain analysis of 2x5 watts MICRO RRH(Remote Radio Head)-
Roles and Responsibilities:
Responsible for making preliminary analysis document for Signal to Noise ratio analysis of Tx and Rx chain of 2x5 watts MICRO LTE RRH to understand the number of bits required for DAC and ADC.
11. Academic H/W Projects undertaken in B.E. :
Project1: Ultrasound car security system.
DESCRIPTION:
It consisted of an ultrasound transmitter and receiver fixed at any two opposite ends in the car emitting ultrasound in such a range such that it could cover the inner volume of the car. An alarm will be activated if any intruder(unauthorized) breaks into the car.
Project2: Coilless FM transmitter.
DESCRIPTION:
A special FM transmitter in which the human voice modulated the harmonics generated by a crystal .Modulation is achieved with the help of a varycap diode.The modulated harmonics were then passed through a filter having a fixed resonant frequency. A receiver tuned to this resonant frequency receives the transmitted signal.
Project3: Automated bottle counter.
DESCRIPTION:
The bottles placed on a moving platform are passed through the line of sight of a infrared transceiver. A bottle passing through this line of sight will block the infrared ray to fall on receiver which in turn acts as a signal to the up-counter circuit.
Project4: Automated multi-storey car parking system using micro-controller(8051).
DESCRIPTION:
A micro-controller based multi-storey car parking system which helped the car driver to park his car in a multi-storey building. It also provided provision for a VIP to park his car on a special floor only for VIPs with the help of a password.
Project5: Collision avoidance system. (Final year project)
DESCRIPTION:
A system in which each vehicle consists of a position sensor like GPS and transceiver to obtain the position of other cars in its range. Each vehicle in such a
system predicts its as well as other cars’ position after a particular time interval. If the predicted values coincide there is a chance of collision and the driver is warned.
Note: Software tools used for all above 5 academic projects were Matlab, Simulink, Keil, Proteus.
12. PERSONAL SKILLS:
Comprehensive problem solving abilities, good verbal and written communication skills, good leadership skills, willingness to learn, team facilitator and hard worker.
Social service activities:
Was a member of Social service cell in Engineering college concerned for Child Abuse.
Visited NGO named Mermier Bal Ashram, a home for street children & Ragpickers.
Collected and donated books and clothes to above NGO.
Also made presentations for social awareness regarding Child abuse and presented the same in college.
Personal Details
Date of Birth 3 April, 1989
Nationality Indian
Gender Male
Marital Status Single
Languages Known English, Hindi and Marathi
Interests and Hobbies Reading, Listening to music, Internet Surfing and Watching
Sports events.
Passport Number J0266438
Declaration I solemnly pledge that the above furnished details are true to the best of my knowledge and belief
Date: 09/14/2014 (mm/dd/yyyy)
Place: Navi Mumbai (Nilesh More)