Thông tin nhà nghiên cứu KH&CN

Compensating Doppler Frequency Shift of High Speed Rail Communications

Novel Method Using CP for Estimation and Compensation of CFO in HSR Communications

Estimation and Compensation of Doppler Frequency Offset in Millimeter Wave Mobile Communication Systems

A Novel Clustering Algorithm based on Cooperative and Iterative Evaluation Exchange for University Classification

A Novel Scheme for Joint Error Control and Dynamic Security Coding Using Puncturing Mechanism

Ứng dụng thuật toán học máy trong ước lượng mô hình suy hao truyền sóng dải sóng mimlimet

A turbo‐based encryption and coding scheme for multiple‐input multiple‐output orthogonal frequency division multiplexing wireless communication systems affected by Doppler frequency offset

Carrier Frequency Offset Estimation and Compensation Technique for Massive MIMO-OFDM Wireless Communication System

Design and Implementation of IoT System for Environmental Parameters Monitoring

Key Generation Technique Based on Channel Characteristics for MIMO-OFDM Wireless Communication Systems

Mergers, Consolidations and Alliances in Higher Education: International Experiences and Lessons learned for Vietnam

A new simulation design of three-mode division (de) multiplexer based on a trident coupler and two cascaded 3× 3 MMI silicon waveguides

Gain and Bandwidth Enhacement of Array Antenna Using Novel Metamaterial Structure

’Doppler Frequency Shift Eliminating Using Directional Antennas for High - Speed Rail Communications

’ICI Mitigation by Estimation of Double Carrier Frequency Offsets in High-Speed-Railway Communication Systems for Smart Cities

4x4 multiband MIMO antenna using double semi-circle structure for 5G milimeter wave application

"Improving Characteristics of 28/38 GHz MIMO Antenna for 5G Applications by Using Double-Side EBG Structure

Compact, Wide-Band and Low Mutual Coupling MIMO Metamaterial Antenna using CPW Feeding for LTE/Wimax Applications

"High Isolation Dual-band MIMO Antenna Based on a Novel Structure of Gradient Lines

28/38 GHz Dual-band MIMO Antenna with Low Mutual Coupling Using A Couple of DGS

A Three -Dimensional No-Equilibrium Chaotic System: Analysis, Synchronization and Its Fractional Order Form

Calibration of the Optical Propagation Time of an Optoelectronic Oscillator for Sensing Applications

A Simple Method for Localization in Wireless Sensor Networks

Monitoring the oscillation frequency drift of an optoelectronic oscillator with a vector network analyzer

A Simple Method for Localization in Cognitive Radio Networks

A Novel CPW-fed Fractal Antenna for UWB with Dual Notched-bands

A Direct Sampling Receiver for Communication of DCSK systems Over Flat Fading Channels

Sondeur de canal multi-capteurs utilisant les corrélateur cinq-ports

Advances in Chaos Theory and Intelligent Control : Dynamics, Synchronization and SPICE Implementation of a Memristive System with Hidden Hyperchaotic Attractor

Hệ thống và phương pháp điều chế và giải điều chế vị tri-biên độ xung hỗn loạn trong truyền thông băng siêu rộng (UWB) System and Chaotic Position-Amplitude Modulation/Demodulation Scheme for Ultra-Wide Band Communications

A Novel Chaotic Subcarriers Interleaving Approach for Secured OFDM Communication Systems

Modeling Method for Determining Complex Permittivity and Complex Permeability of Materials Using Electromagnetic Wave Propagation in Free Space at X – Band

A Novel Wideband Filter using Open Split Ring Resonators

Design and Implementation of An UHF Tunable Bandpass Filter Using Varactor-based Series Resonators

Robust Direction of Arrival Estimation Using Uniform Circular Antenna Array based on Total Forward - Backward Matrix Pencil Method

High Performance Direction Finding Algorithm Based On Phase Locked Loop

Robust System Architecture for DOA Estimation based on Total Forward Backward Matrix Pencil Algorithm

A Design of Compact Frequency Reconfigurable PIFA for Green Wireless Communications

Measurement of direction-of-arrival of coherent signals using five-port reflectometers and quasi-Yagi antennas

A Chaotic Modulation Method based on Combination of CPWPM and BPSK for Digital Communication

A Memristor-Based Hyperchaotic System with Hidden Attractors: Dynamics, Synchronization and Circuital Emulating

A Chaos-based Secure Direct-Sequence/Spread-Spectrum Communication System

Materials used for the optical section of an optoelectronic oscillator

Genetic algorithm for optimization of L-shaped PIFA antennas

Design and analysis of a spread-spectrum communication system with chaos-based variation of both phase-coded carrier and spreading factor

Survey of MUSIC and Unitary-ESPRIT algorithms for DoA and Time Delay estimation

Research on Communication and Localization Of Small and Medium Fishing Boats in Vietnam_ Ad-hoc Network Associated to Software Defined Radio Approach

Solution for communication and localisation of fishing boat in Vietnam

MUSIC and Unitary-ESPRIT performance for propagation channel sounding

A planar quasi-Yagi For Next Generation Wireless Communication Systems

Simplified Propagation Channel Characterization Considering the Disturbance of Antennas In The Case Of a Multi-path Cluster

Candidates for Estimating Carrier Frequency Offset in MIMO Systems

Combining two methods to enhance band-notch characteristic of Ultra Wide Band antenna

Multimedia session continuity with context-aware capability in IMS - based network

Single Channel All Digital Direction Finding System

Electromagnetic Band Gap Material and Its Consideration For Ultra Wide Band Antenna Design

Recent Advances in Chaos Synchronization Of Coupled Multiple Time-Delay Systems

Design, Simulation And Synchronization of Two Identical Improved Chaotic Colpitts Oscillators for Wide Band Wireless Communication Systems

Ultra Wide Band Low-Profiles Spiral Antennas Using An EBG Ground Plane

More Practical Spectrum Sensing Technique in Cognitive Radio Networks

Chaos Synchronization in Coupled Delayed Two-stage Colpitts Circuits for UWB Communications

OR Rule and Parallel Processing Technique in Multiple Antennas for Spectrum Sensing

Implementation of Chaotic Colpitts Oscillator in Microwave Frequency

Simulation and implemention of an improved chaotic copitts circuit for UWB communication

Reconfigurable 8-Shape PIFA Antenna Using PIN Diode

Improving the Operation of Optoelectronic Oscillator by Stabilizing the Electrooptic Modulator

Novel Reconfigurable 8 - Shape PIFA Antenna Using PIN Diode

A Novel Spectrum Sensing Without Channel State Information Using Estimated Parameters

A Chaotic Pulse Time Modulation Method for Digital Communication

Improvement of Bit Rate Using M-ary Chaotic Pulse Position Modulation

Multipath Signals Separation Approach In DOA Estimation Using Total Forward – Backward Matrix Pencil Method

Nghiên cứu phát triển các phương pháp điều chế thời gian xung hỗn loạn cho hệ thống thông tin số

Nghiên cứu thiết kế và chế tạo hệ thống thích hợp thông tin - địnhvị - cảmbiến cho giám sát giao thông trên địa bàn thủ đô Hà Nội

Thiết kế chế tạo thử nghiệm trạm thu phát mặt đất trong hệ thống thông tin vệ tinh ứng dụng công nghệ vô tuyến điều khiển bằng phần mềm SDR

Nghiên cứu thiết kế và chế tạo bộ điều chế/giải điều chế tín hiệu băng thông siêu rộng sử dụng kỹ thuật hỗn loạn (chaotic UWB)

Phân tích thiết kế và chế tạo anten kích thước nhỏ sử dụng vật liệu có cấu trúc đặc biệt cho hệ thống vô tuyến băng thông rộng

Nghiên cứu thiết kế và chế tạo anten tự cấu hình sử dụng nguyên lý siêu vật liệu cho hệ thống thông tin và định vị vô tuyến thế hệ mới

Nghiên cứu các mô hình đồng và cơ chế đồng bộ của các hệ thống hỗn loạn đa trễ và ứng dụng vào truyền thông

Nghiên cứu thiết kế chế tạo ăngten và bộ giải điều chế tín hiệu trực tiếp nhằm phục vụ cho công nghệ truyền thông không dây tiên tiến

Nghiên cứu tiền khả thi hệ thống thông tin vô tuyến tiên tiến cho các tàu đánh cá vừa và nhỏ của Việt Nam