Md. Mushfiqur Rahman                                                                       

E-mail:  mushfiqur81@gmail.com , Phone: 817-455-4318                   2401 W spring Creek Pkwy #1105 Plano TX

IEEE Member                          

 

                                                                  Post Graduation Date(University of Texas Arlington)  Dec 15 , 2007

PROFILE

5 years of Working experience in Telecommunications Industry  with Masters Degree In Electrical Engineering in USA. Talent for quickly mastering technology . Thrived in deadline driven environment.

 

EXPERIENCE SUMMARY

 

·         RNC and NodeB Operation and Maintenance .

·         Pre launch and post launch UMTS tuning support.

·         Post processing of Drive Test Data and Optimization.

·         Accessibility, Retain ability, Handover, Throughput Analysis.

·         Drive Log Analysis and troubleshoot for Drop call , Sector Swap , Throughput analysis

·         Experience in Moshell  and AMOS.

·         Proficient in Unix and SSH.

·         Experiences in device testing.

·         Good Understanding in 3GPP Spec.

·         CS / PS Call flow analysis and debugging issues.

·         Experience with TEMS investigation, QXDM, QCAT, LLDM, LCAT.

·         Experience in Configuring Open source IP PBX Asterisk.

 

 

 

PROFESSIONAL EXPERIENCE

 

3S Network Inc ( ATT, MPCS)                                                             Feb 2010  –     Dec   2013                                             

RAN Engineer                                                                                                 

     

·        Prelaunch and post launched support for  UMTS

·        NodeB Alarm checking, VSWR, H/W in service , BTS power setting, Live Traffic.

·        Day to day support for RF team related Tuning & optimization.

·        Parameter changes as needed.

·        Prepare all audit for NodeB (RBS Baseline audit, RNDCIQ audit) and RNC (RNC Baseline audit), execute during Maintenance window.

·        RSSI Troubleshoot, Add NodeB, neighbor creation, RET Control, Power control.

·        Scripts preparations based on market requirement .

·        Bulk configuration changes using Mobatch.

·        Generate UTRAN report.

·        Support drive team during drive test on site

·         S/W upgrade according to a project plan.

·         Prepare script for Nodes and load into Nodes

·         License key loading.

·         Post processing and Analyzing Drive test Data using Actix Analyzer/ MapInfo / TEMS discovery

·         Provide Solution for high Pilot pollution(Ec/Io) Area for WCDMA network.

·         SSV test  by doing shakedown ; each sector Throughput test, Clock wise anticlockwise drive for sector swap test, Each sector to other site sector for HO .

·         Cluster drive for all the sites until green cluster achieved.

·         SSV and Cluster KPI analysis and troubleshoot.

·         SSV and cluster drive route preparation with Mapinfo

·         Crossed feeder or feeder cable swapped verification from DT

·         In Orlando, FL Ericsson ATT FFA market Scheduling, ANR, CSFB, IRATE, Mobility Feature testing for LTE network.

·         TCP , UDP throughput measurement via IPerf tool

·         QCP test and Regression testing during RNC upgrade.

 

 

 

Samsung Telecommunication America                              (Feb 2012    –      Dec 2013)    

(Contractor from 3S network)

Device Testing

 

·         RF performance Testing comparing with Reference  Phone.

·         Regression testing for New device with different Carrier.

·         UE log capture, Log process and analysis.

·         VoLTE test  of IMS registered phone Confirm the VoLTE call using QXDM and Wireshark

·         MO call, MT call, Intra Frequency HandOver, Interfrequency Handover, IRAT HO Verification.

·         Device and Application Functionality Test and Issue Finding, QA testing.

·         Issue reproduce and AP Log, CP Log collection.

·         UE crash log collection with RDX.

·         IOT testing, FOTA(Firmware Over the air), OTA(Over the Air Activation)  Testing.

·         Flash devices with new binary(Firmware), Write MEID, MDN MIN and Prepare for  FIT test.

·         GPS Testing Using Angry GPS and plot in google earth to compare the accuracy with Ref phone.

·         UE sleep current measurement using Power Tool.

·         WLNP Test and MVNO call issue verification using QXDM .

·         Various Issue verification whether SIM issue, Network issue or Device issue with QXDM and ST(Spy Tracer) Ericsson.

·         Writing Batch script for Throughput Test(Under 4G/3G Weak and Strong area) running in Command prompt

·         Using ADB for Android phone fill the Memory and test in Memory full State.

 

 

 

 

 

FlexSolv Networks Inc.                                         2425 N Central Expressway Richardson TX

System Integration and Test Engineer                                                         March 2008- Jan 2010

 

·         Investigation and understanding of applicable standards and protocols and implementation.

·         Set up IVR , PBX , ACD Queue according to requirement.

·         Remote configuration of  device through Central Provisioning Server while device boot up sending HTTPS request to download configuration file.

·         Integrate and configured  Multi vendor devices such as Cisco, Huawei ,Grandstream , Xten , SJlab and Nortel IP softphone 2050 , Sonicwall .

·         Dial Plan setting in Voip Call flow.

·         Extensively worked with Protocol analyzer Ethereal/Wireshark  to capture  packets for SIP and RTP protocols.

·         Experience with  Desktop Virtualization using VNC client  connected with server installed VMware virtual machine console.

·         Hands on integration and provisioning  of VEGA50 IP voice gateway with SIP proxy server.

·         Operating the OPEN source infrastructure for the network. Deploying VOIP call server as well as  billing and accounting system with  the  administrative and customer web portal. Setup the system for audio conferencing . Handshaking of  protocol  T38  for FoIP set up. E911 setup.

·         Configuration on SIP and IAX(for peer to peer) protocol. Setting up the system for multiple  DID based routing, Multiple trunk configuration. IVR testing and configure for Barge in, loading patented G729 audio codec for transcoding, G711.

·         Configured and programmed the system for Call monitoring, Call recording  and live Call listening .

·         Provisioning Administrative interface and  Web Customer Interface with PHP, MySQL, HTML .

·         Developed  Web based Card Sale Monitoring interface using PHP, MySQL , HTML.

 

                 

 

TECHNICAL SKILLS:

Programming	PHP, C/C++,  VHDL, Matlab , T-SQL Query
Database	MySQL, PostGreSQL, MS SQL server
Operating Systems	Windows Server 2003, UNIX, Linux (Ubuntu, Fedora Core)
Telecom/Wireless	RNC, RBS,e-NodeB, UTRAN, UMTS, GSM/EDGE/EVDO, HSDPA/HSUPA, LTE,  WCDMA, ATM,OFDMA, GSM, GGSN, SGSN , Air interface, SS7architecture, Femtocell, DAS, T1 circuit, PRI, BRI, ISDN
Protocols	TCP/IP, DHCP, TELNET, SSH, UDP, ICMP,PPP, FTP
Networking	VPN, Wireshark, DNS, IPV4/IPV6, Tunneling, Frame relay, VLAN

 

EDUCATIONAL QUALIFICATION:

Master of Science in Electrical Engineering, University of Texas at Arlington.     December , 2007.

BSc   Engineer , Bangladesh University of Engineering and technology,  Nov 2004.

 

 

WORK STATUS:          H1B Visa

 

CERTIFICATION :             

         

·         Certification in  Designing Database Solution  by Using Microsoft SQL Server 2005 (70-441). Candidate ID: sr6182787

·         PRO:Design & Optimize Data Access by Using MS SQL Server 2005 (70-442)

 

MEMBERSHIP:   IEEE  Professional Member id 92249499