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| Resume Title: | 3G UMTS Engineer | ||||||||||||||||
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| Experience level: | 5-10 years | ||||||||||||||||
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Professional summary: Have six and half years of total experience in embedded domain and more than three years and ten months of experience in UMTS-WCDMA(FDD) protocol stack, UE side, and working knowledge in L3 RRC and L2 (MAC and RLC) modules. Soft skills and other interests: Team player, Enthusiastic, Extrovert, Strategic and above all handles the things diplomatically and being aggressive when required. Have written technical tutorials about RACH procedure,Test loop mode and some FAQs on WCDMA in www.3g4g.co.uk http://www.3g4g.co.uk/Tutorial/SK/sk_rach_procedure.html http://www.3g4g.co.uk/Tutorial/SK/sk_test_loop_mode.html http://www.3g4g.co.uk/Faq/definitions.html http://www.3g4g.co.uk/Faq/security.html Have written an article about WiMAX and its possible evolution http://www.3g4g.co.uk/Blogs/index.html/17 Work Experience: Project#1 3G-UMTS Release 5 ,Multi band,multi mode stack Duration: May 2007 – Till date Organisation: Comneon(A subsidiary of Infineon),Munich,Germany. Client: Samsung,Korea. Responsibility: Senior Software Engineer Responsible for analyzing the traces received from IOTs and GCFs, identifying the problems and in giving appropriate solutions. Experience in .coordinating and interacting with our partners IDCC,USA,resolving release related issues and facilitating product release to our customers Samsung. Also responsible for fixing bugs and writing unit test cases in the measurements module of RRC layer. Got good exposure on Intra frequency,Inter frequency and Inter-RAT related areas in this project. • Have worked in L2 and L3 module and have got top-level knowledge in identifying the issues and detailed understanding in giving solutions. • Good exposure and working knowledge in Clearcase,Purify in Windows environment. • Learning the art of managing people and acquiring managing skills. Project#2 3G-UMTS Dual Mode Protocol stack Duration: Jan 2004 – April 2007 Organisation : Sasken Communication Technologies,Bangalore,India Client: NXP(Formerly Philips), Le Mans, France Description: Dual Mode 3G- AS Protocol is UE side (User Equipment or mobile side) protocol that supports both GSM and 3G RAT (Radio Access Technology). Key feature of Dual mode 3G-AS stack includes: • Supports both 3G and GSM RAT. • Support for Inter-RAT cell selection, reselection, cell change order and handover. • Enables service provider to upgrade to 3G, without discarding existing GSM infrastructure. • Support for higher data rates, of up to 384Kbps • Low battery consumption. Stack was written in C language, developed on Linux and ported on RTKe OS(Philips proprietary RTOS) Responsibility: Senior Software Engineer • Responsible for coordinating and interacting with our customers , NXP and resolving technical and other issues arising out of the project and facilitating the smooth flow of the project.Also responsible for fixing bugs in DCFE, L2 module and bi-weekly delivery of the product and coordinating the release activities with the team in Le Mans, France and with L1 team in Nurenburg,Germany.Got an opportunity to work with people of different culture and in a multi site environment. • Closely worked with the Integration team in France during the critical phase of integration of the AS-3G stack with Philips 2G and Philips NAS. • Worked in Agilent and CMU setup for testing loop back features and also worked in Anite, Rohde and Schwarz, and Ericsson Node B during GCF conformance testing (ETSI cases).Have hands on experience on Trace32 debugger and very good exposure in analyzing traces, zeroing in on the problem and giving fixes,patches. • Designed, implemented and tested the compressed mode feature for doing Inter-RAT and Inter Frequency measurements, used during Handover procedures. Written sufficient UT cases to test the functionality of the compressed mode code and also written AS-IT (Access Stratum-Integration Testing) to make sure the code is well integrated in the stack and does not cause any problems. And also it is tested in the MRHT(Multi RAT Host Tester) with the 34.123 GCF cases which test the compressed mode feature. • Designed ,implemented and tested the Test loop Mode 2 feature in MAC layer. Test loop mode 2 is used for calculating BLER(Block Error Rate),Blind Transport Format Detection(BTFD).Have written sufficient UT, and L2-IT to test the possible scenarios. It is also tested with 34.109 GCF cases for Test loop mode 2.This implementation have given me to gain in-depth knowledge on Transport Format Combination(TFC) algorithm used in MAC layer to select the transport blocks for sending data out of MAC.Also have basic knowledge of HSDPA concepts and MAC-HS layer design concepts. • Designed and implemented Traffic Volume Measurements in MAC layer. TVM is used to control the data rates in UE by intimating the Node B regarding the amount of traffic that is currently in UE. Have very good understanding of Event triggered (4A and 4B) and Periodic measurements. • Acquired good knowledge on the different functionalities of RRC module(both Dedicated and Broadcast functionalities). Analyzed and fixed the bugs in cellupdate,URA update, Cell-reselection, Paging and Measurement functionalities and have very good understanding of the basic concepts. • Got acquainted with DDTS,a defect tracking tool for tracking bugs and worked extensively in clearcase tools during the delivery of the modules to our clients, also worked in Purify and e-Fence tools in Linux environment. Project#3 Jaguar ATSC-Middleware Development Duration: June 2003-Dec 2003 Client: Philips, Consumer Electronics. Description: Jaguar-ATSC is the platform for hybrid TV development.It is a digital HDTV for US up-market. Here a component based software architecture called Mid Global Re-Engineering (MG-R) is used for middleware development. Responsibility: Senior Software Engineer Worked in the middleware development team and my role is doing the design and coding part for Audio and CC components in accordance to ATSC standards. It was developed in C language in a component based development environment called koala, and IEEE 1394 ‘Firewire’ is used for communication between the components. MPEG-2 standards are followed for the audio and video components. Project#4 Flight Plan development Duration: June 2001-May 2003 Organization: Honeywell Technology Solutions Limited,Bangalore Clients: Boeing,Embraer Description: Development of flight plans in Avionics domain for Embraer flight ERJ170 and Boeing 747 Aircraft. Flight plans consist of many intermediate points between the arrival and departure places which are used during navigation. Responsibility: Software Engineer Worked in the team that handles the development work for writing software in accordance with DO-178B standards for the different types of Flight plan for Embraer ERJ170 and Boeing 747 Aircrafts. The project is done in C language and the application runs on DEOS, a proprietary Real time OS of Honeywell used for mission critical applications. Bachelor of Engineering 1997-2001 Government College of Technology, Bharathiyar University, Coimbatore, India. Nationality: Indian. Hobbies: Photography,reading Tamil and English novels and currently learning German language. Hereby I declare that all the details provided above are genuine and true to the best of my knowledge and belief. Yours truly, SENTHIL KUMAR.S |
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| Job Preferences | |||||||||||||||||
| Job Category: | 3g/UMTS | ||||||||||||||||
| Job Type: | Any | ||||||||||||||||
| Job Status: | Start in 3 month | ||||||||||||||||
| Desired Salary: | $0 Unspecified | ||||||||||||||||
| Desired Location: | Not Specified | ||||||||||||||||
| Willing to Relocate: | Yes | ||||||||||||||||