Tushar Vrind |
Permanent Address
B-205, Purva Paradise, +91 9845 328550 (c)
7th Cross, 3rdMain,
Domlur Layout, Bangalore
India
+91 80 51526568
Overfiveyears of experience in the Wireless and Telecommunications industry, developing and debugging embedded software, drivers and algorithms for Bluetooth, IEEE-1394, 2G and 3G mobile systems. Currently looking for a position in a dynamic and challenging environment.
SynopsisStrong background in programming for real time embedded systems
Extensive experience with ARM processors,
In-depth knowledge of specialized MSM6200/MSM6250 Qualcomm modem processor architectures
Extremely proficient in systems engineering, optimization and debugging
Extensive experience with Rex, VxWorks, Windows CE and UDEOS operating systems
Strong background in wireless communication systems and protocols
Proven track record in leading teamonsite
EDUCATION
B. Eng. in Computer Science and Engineering Jul 1996 - May 2000
Birla Institute of Technology, Mesra,RanchiIndiaGPA: 3.81/4.0 (87.7 %)
Senior Project: SW Design of a Call Connection Interface for VOIP Signaling
PROFESSIONAL EXPERIENCE
Sep 2002 – Present
Lead Engineer, Wireless Terminal Group, Samsung India Software Operations, India.
Platform and System Software for multimode wireless handset GSM/GPRS/WCDMA (SGH-Z105, SGH-Z107, SGH-Z110, SGH-Z500)
Analysis of system failures using ARM and Thumb level debugging techniques.
Enhanced the Sleep Controller Software for efficient power management.
Designed deferred procedure callservices to be utilized for certain time critical modules.
Performance tuning by analyzing the behavior of the system using tools like JTAG and ETM.
Extended the debugging of system failures on Trace32 using an offline mechanism; enhancedboot reset handlers, data abort handlers and other exception handlers to flush the target’s memory over the USB Interface to the host.
Designed the software for handling Demand Paging for a Target based on ARM926EJS.
Led the platform team while in Frankfurt, for supporting product releases.
NAS and Middlewarefor multimode wireless handset GSM/GPRS/WCDMA (SGH-Z100, SGH-Z105)
Designed middleware and session management entity for porting application like WAP, MMS, Streaming and other embedded packet switched applications.
Implemented Mobile Terminated Packet Data calls for GPRS
Enhanced NAS layers for handling Dual Mode and InterRAT features like Packet Cell Reselections and Packet Cell change orders (UTRAN <-> GPRS).
Designed new features like Suspend and Resume while packet data calls (PDP Context) were active, to counter problems of Tx/Rx disable during No Service or RAT Change.
Implemented an application un-aware mechanism of mapping Release 97 and Release 99 QoS parameters.
Enhancedthe Call Connection Management entity for handling Circuit switched data Calls.
Bug fixes for problems raised by field application engineers.
Supervised Field and Inter Operability Tests with Network vendors in Europe.
Led the efforts of TAcc of SGH-Z100 and SGH-Z105, with VodafoneItaly, and Vodafone UK inEurope.
Jul 2000-Aug 2002
Member Technical Staff, Microprocessor Based Software Group,HCL Technologies, India.
Software Stack for DTV in a Home Networking Environment over IEEE 1394
Design of the IEC-61883 Isochronous Connection Manager
Design of the Audio Video Controller for HDD and VCR target.
Simulation of HDD Target on the IEEE 1394 Bus.
Enhancement of the Bus Reset Handlers
BluetoothWirelessSerialPort Adaptor
Ported HCI and L2CAP to the Client’s Proprietary Operating System.
Involved in system level debugging and optimizations.
HCL Bluetooth Protocol Stack (HBPS)
Designed the L2CAP,RFCOMM and TCS layers of the stack
Designed the base-band simulator over Ethernet and SerialPorts
Designed the serial port emulation entity for the protocol stack
Responsible for porting of HBPS to a MicroItron based UDEOS in an embedded environment with 512Kb RAM and 50MHz processor.
Worked on various profiles like Generic Access, LAN, DUN, Serial port, Service discovery application, Cordless, Intercom, Object Push and File Transfer.
Extensive InterOp Tests with 3rd Party Protocol Stack and applications.
Involved in the development of the Bluetooth USB Driver on Windows 2000, essentially looking into isochronous streams.
Worked towards getting the Bluetooth Certification for the product.
Jun 1998-Jul 1998
Summer Intern, HCL Info Systems Limited India
Design of a Call/Connection interface switch for inter-operability between ATM UNI and IS-136 TDMA Layer 3 signaling
Implemented a Protocol converter that could switch messages between IS-136 Air Interface and ATM UNI interface.
Simulated the system on UNIX by using IPC primitives.
ACADEMIC PROJECTS
Senior Year Project, Birla Institute of Technology, Mesra, Jan 2000-Apr 2000
SW Design of a Call Connection Interface for VOIP Signaling
SKILL SET
Programming Languages C, ARM assembly
Development ToolsADS, MULTI, MS Visual Studio, Tornado, WinCE Platform
Operating Systems VxWorks, UDEOS, REX RTOS, Windows CE, UNIX System V
Processor Technologies ARM7/9
Configuration Management Clearcase/ClearQuest, Visual SourceSafe
Communications Related Bluetooth, IEEE-1394, GSM, GPRS, WCDMA, H.323/VOIP, GPS
Test Systems Agilent/HP/Anritsu
AWARDS & HONORS
Recipient of Samsung Genius Scholarship, for pursuing MS in Electrical Engineering at SeoulNationalUniversity. (Awarded to five scholars worldwide)
Recipient of Science and Engineering Excellence Scholarship throughout the B.Eng. program awarded by Metallurgical and Engineering Consultants, INDIA.
Merit certificate awarded by National Council of Educational Research and Training (NCERT), India for outstanding academic performance in All India Senior Secondary Examination.