Researched underwater acoustic communication networks;Tutored students;Detailed achievements: 1.Proposed new algorithms to improve the single carrier sy performance; 2.Investigated the OFDM technology for underwater acoustic communication network, with sub-achievements: 1) Designed and developed an OFDM link level simulation platform using MATLAB, C++, python and R; 2) Used the simulation platform to evaluate different algorithms; 3) Designed a frame-based coded OFDM system; 4) Conducted underwater acoustic communication experiments and detected the received data; 5) Proposed novel algorithms to improve channel estimation and impulsive noise mitigation for OFDM system; 6) Designed and developed a real time underwater acoustic OFDM system using LABVIEW. 3. Mentored a junior PH.D student and a senior college student. 4. Published research outcomes in international journals and conferences, and presented papers at international conferences

Designed new solutions for TD-LTE products;Evaluated algorithms and performances of TD-LTE products;Researched 3GPP protocols;Showed clients new products and solutions;Detailed achievements:1.Designed and developed a simulation platform for TD-LTE using MATLAB and C++;Proposed or modified the LTE-product-enabled solutions, in terms of signal processing approach and signal processing procedure, with sub-achievements: 1)Evaluated different frequency offset estimating technologies used by TD-LTE system in High Speed Moving scenario and proposed an innovative two-step estimating technique; 2)Designed a solution for uplink coordinated multi-point reception and developed the L1 signal combining solution by using C language;2.Evaluated performances of TD-LTE products and solutions, with sub-achievements: 1)Tested the performance of uplink MU-MIMO technology by both lab test and field test and reported the results to the client (China Mobile Research Institute); 2)Tested the anti-high-speed-moving solution by simulation and lab test; 3)Evaluated the performance of anti-interference solution for PUCCH detection; 4)Evaluated the triggering algorithm for PUSCH detection by simulation.Analyze 3GPP LTE/LTE-advanced protocols, with sub-achievements: 5)Surveyed the coordinated multi-point transmission/reception (CoMP) technologies, evaluated different uplink receiving solutions and different downlink CoMP scheduling strategies; 6)Researched the LTE-advanced uplink MIMO enhancement technology; 7)Surveyed the LTE-advanced TM9 technology.3.Maintained the simulation servers and version control server for the department, with sub-achievements: 1)configured the simulation servers and the version control server; 2)maintained the simulation servers and reported any problem to my supervisor with suggestions; 3)surveyed different version control techniques.

Designed and developed the signal structure and receiving algorithms;Designed the backend architecture of the App and developed the database using MySQL;Designed and implemented the WebSite for the company Using .NET/C#, Entityframework, Bootstrap, MySQL and HTML/CSS.

Studying on modulation, channel coding, data detecting and synchronization technologies and their applications for wireless telecommunication systems.Analyzing 3GPP WCDMA and LTE/LTE-Advanced physical-layer protocols (RAN1).Evaluating frequency offset estimating and compensating technologies for WCDMA system.Developing frequency offset estimating and compensating module, automatical gain controller module, and the controller module of WCDMA cell detector, which is part of the Femtocell system and has been transformed into concrete product by our co-operative corporationDesigning and developing MIMO processing module and the bit scrambling module in transmitting end of TDD-LTE systemProposing the joint estimation of phase distortion and noise variance algorithm based on variational inference framework, simulating and evaluating this proposed algorithm.Maintained the version control server for two projects.Researched big data processing technologies and used them to process Weibo social network information.

Take responsibility for the enhanced uplink simulation using C language, including coding and post processing the simulation resultsAdd new algorithms into the simulation platform, including sequence multiple users detecting and cancelling, virtual HARQ, reduced power controlling frequency, etc.