
Yinjun Zhu
Extensive experiences in product design and knowledge of latest telecommunication technologies, end-to-end service ownership on emergency and location... | Seattle, Washington, United States
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Yinjun Zhu’s Emails yi****@t-****.com
Yinjun Zhu’s Phone Numbers 1425462****
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Yinjun Zhu’s Location Seattle, Washington, United States
Yinjun Zhu’s Expertise Extensive experiences in product design and knowledge of latest telecommunication technologies, end-to-end service ownership on emergency and location services: Over 28+ years of product/solution/architect design experience in tele-communication industry, as a summary: - 5G Standalone Network and Voice over New Radio (VoNR) launch with Emergency and Location Services; - Supports end-to-end Emergency and Location services with all access technologies (5G SA/VoNR, 4G/VoLTE, 3G/2G, WLAN), and integration with external Legacy Public Safety Answering Posing (PSAP) and Next Generation 911 (NG911) PSAP network (both i2 and i3). - Troubleshoots and deep dives on the major instances and issues related emergency and location services. - Provides detailed technical specifications/requirements for the improvements and/or fixes on emergency and location services to the corresponding vendors. - Develops tools and dashboards for the services monitoring and alerting on various platforms (Splunk, OneData, Qlik, Netscout etc.). - Provides training materials to the organization for new technologies, case studies, troubleshooting guides etc. - Based on the own US Patent, developed a solution, designed system architecture and specified detail technical requirements to provide emergency services for Voice over IP (VoIP), which was the first system that provides emergency services for VoIP in US. The solution became an industry standard (personally contributed to 3GPP SA2 network architecture specification), currently provides services to all the major VoIP service providers in US. - Developed system architecture and specified detail technical requirements for emergence services for Voice over LTE (VoLTE) and Voice over WiFi, based on the standards and customers' requirements. The services are currently provided to the major wireless carriers in US. - Designed and specified the system solutions for Text-to-911 services. - Designed and specified the system solutions for the commercial location services. Standards Development Organizations: - Participated in 3GPP, 3GPP2, OMA etc for more than 10 years. Patents: 40 US patents.
Yinjun Zhu’s Current Industry T Mobile
Yinjun
Zhu’s Prior Industry
Communications Telemetry And Telecontrol Research Institute Hebei
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Gold River Communication Corporation Of Fuzhou
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Opuswave Networks
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Comtech Tcs
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T Mobile
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Work Experience

T Mobile
Principal Engineer
Wed Nov 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time) — Present
Comtech Tcs
Principal Engineer
Thu Nov 01 2001 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed Nov 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time)
Opuswave Networks
Senior Systems Engineer
Tue Jul 01 1997 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Nov 01 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
Gold River Communication Corporation Of Fuzhou
Systems Engineer
Thu Apr 01 1993 00:00:00 GMT+0000 (Coordinated Universal Time) — Sat Oct 01 1994 00:00:00 GMT+0000 (Coordinated Universal Time)
Communications Telemetry And Telecontrol Research Institute Hebei
Systems Engineer
Wed Mar 01 1989 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Apr 01 1993 00:00:00 GMT+0000 (Coordinated Universal Time)