PRINCIPAL ENGINEER Resume San Jose, CA - Hire IT People

OBJECTIVE:

Seeking an engineer position in wireless communications.

SUMMARY:

Cross - functional experience in communication algorithms, stack software, DSP, and device testing.
Knowledge on LTE/HSPA/WCDMA/GPRS/WLAN protocol architecture.
Hands-on experience in carrier processes.

EXPERIENCE:

Confidential, San Jose, CA

PRINCIPAL ENGINEER

Responsibilities:

Provided technical solutions and responses for the Confidential forum team.
Led the user-trial program before the product launch.
Monitor the OTA SW update processes.
Identified the test environment and resources from
Created test plans and executed test cases against Confidential & Confidential requirements.
Verified implementations by UI/Applications teams.

Confidential, Santa Clara, CA

P ROTOCOL S TACK SW E NGINEER

Responsibilities:

Domestic and Global Field Interoperability test in multiple US and Canada markets for Confidential .
Stationary and mobility end-to-end throughput test for WiFi MHS and USB tethering modes.
Involved in replicating and debugging customer reported issues related to WiFi Hotspot performance using OTA Sniffer/Wireshark logs.
In-house Debugging for Confidential Data Retry and Supplementary Signaling on R&S CMW500.
Supported VoLTE and Carrier Aggregation Test.

Confidential, Sunnyvale, CA

SENIOR STAFFS

Responsibilities:

Developed test plans and designed test cases for Confidential, Enhanced HS - DSCH Serving Cell Change.
Developed test plan and designed test cases for IPv6 UE protocol stack.
Developed test plan and designed test cases for Robust Header Compression (RoHC) in LTE stack.
Developed test plan for LTE IP Flow Mobility (IFOM) and MAPCON.
Analyze logs for issues and failures observed in regression test and carrier acceptance on
CMW500, CRTU, Anite SAS/9000, Anritsu RTD and Agilent 8960.
Supported Ericsson and NSN IOT activities of testing LTE/HSPA+/WCDMA/GSM UE chipsets.
Replicated failure scenarios on test boxes from IOT sessions.
Led daily lab testing and issue tracking for Confidential & Confidential 10776 Test Plans & other carrier programs.
Set up test automation on R&S test equipments.

Confidential, Fremont, CA

S ENIOR S OFTWARE E NGINEER

Responsibilities:

Defined the requirements of Radio Resource Management module of GSM/GPRS mobile station protocol stack.
Designed and implemented GRR module and performed functional testing.
Defined RR - related requirements for EGPRS mobile station.
Designed the interface between GRR and L1, RLC/MAC, GMM modules.

Confidential, Fremont, CA

SENIOR SYSTEM DESIGNER

Responsibilities:

Designed timing recovery algorithm and fixed-point implementation for 1000BASE- Confidential PHY transceiver.
Chip-level RTL simulation and verification with MATLAB/Simulink model for bit and cycle match.
Performed system-level optimization and tuning for equalizers, echo/NEXT cancellers, timing recovery and automatic gain control.
Defined the functional requirements of GPRS mobile station Radio Resource Management and performed the detailed designs and implementations in C++.
Designed the specification of the network simulator for over-the-air testing of MS protocol stack.

Confidential, Milpitas, CA

SENIOR FIRMWARE E NGINEER

Responsibilities:

Designed and implemented MPEG1/2 Audio Encoder on SPARC core with cycle optimization.
Verified firmware implementations with C model.
Designed and implemented DTS Audio Decoder and DVD Audio Decoder.

Confidential, San Jose, CA

SSTEM ENGINEERING SPECIALIST

Responsibilities:

Developed a tool to generate S and L - band antenna beam boundary from End Item Data Packet.
Designed fish-eye photo post-processing software to generate UT blockage profiles for system testing.
Specified the requirements for the call success rate prediction tool.

Confidential, Redwood City, CA

M EMBER OF Confidential ECHNICAL S TAFF

Responsibilities:

Designed and implemented RR/CC/MM features - speed-sensitive handover algorithms, dynamic power control algorithms, call queuing, directed retry, paging reorganization, CCCH overload control, ECT.
Evaluated system capacity and performed system configuration under different traffic loads.
Performed load test for BSC CPU usage using BTS simulator.