Experience

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  Inventec electric ltd. xi'an branch

  Jan 1998 - Jan 1999

  Software engineer

  Designed and implemented embedded system software, including electrical dictionary software, and migrated TCP/IP module into embedded system.

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  Shenzhen congwen technology co., ltd.

  Jan 1999 - Jan 2001

  Senior software engineer

  Designed and implemented Safty and Security software, used Delphi.

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  Datang mobile

  Jan 2002 - Jan 2008

  System engineer

  2006.11 – 2007.11, TD-SCDMA system network optimization software design and development. Designed and implemented TD-SCDMA system’s network optimization software and Field test. 2005.08 – 2006.10, TD-SCDMA system RNC software platform development. Designed and implemented TCP/IP module’s IPSec into embedded system. 2002.04 – 2005.07, TD-SCDMA System RNC RRC layer algorithm and software develop. Designed and implemented TD-SCDMA System RRC layer protocol, including RRM algorithm (Code allocation/Access Control/Handover/RRM resource assign). Daha az göster

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  Nokia shanghai bell

  Jan 2008 - now

  System engineer

  2016.01 – present, LTE system(LTE FDD and TD-LTE) level analyze and solve Carrier Aggregation, VoIP, PDCP interface etc. field issues. TD-LTE RRC layer algorithm design and coding. 5G trial 5GC simulation software development and test, Studied 5G OFDMA/FDMA baseband, Massive MIMO, 5G VoNR, Dual connectivity, Carrier Aggregation.2014.01 – 2015.12, LTE RRC development, focused on Carrier Aggregation feature. TD-LTE RRC layer algorithm design and coding. 2010.05 – 2013.12, AAA Antenna System design and implementation, antenna Simulation and System Simulation, interface(with eNodeb and OAM) design and implementation, understand CFR/DPD algorithm principle, I/Q data compress, in collaboration with Bell Labs. WCDMA RRH performance test and optimization, LTE FDD baseband simulation, 2009.05 – 2010.04, TD-LTE TIS, network optimization and MIIT project with CMCC. Participated in MIIT TD-LTE test and FIELD test, discussed with CMCC research department, CMCC shanghai, CMCC Beijing, also participated in 2010 shanghai Expo TD-LTE Trial network. 2008.01 – 2009.04, TD-LTE Physical/System simulation and algorithm design, L1, L2 algorithm design and implementation. Designed and implemented TD-LTE system simulation platform, designed and implemented physical layer/PDCP/RLC/MAC layer simulation, studied OFDMA/SC-FDMA baseband, MIMO, MAC schedule algorithm Daha az göster

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  上海守正通信技术有限公司

  May 2023 - now

  Chief software architect

  design and develope the IEEE 802.15.4 protocol MAC layer software and other software.