Network Systems Lab.

Research Themes

- Digital Communications

- Compressed Sensing Based Detection of Localized Heavy Rain using Microwave Network Attenuation
- MIMO-OFDM with ESPAR antenna
- Compensation of MIMO-OFDM Radio Signal Distortion in Radio over Fiber- Distributed Antenna System using optical TDM
- A Study on Vehicle Speed Detection System using Leaky Coaxial Cable antenna
- OSTBC in Multiple Polarized MIMO-OFDM Systems
- Low Complexity Channel Estimation based on Compressive Sensing for OFDM Systems
- Modified Matching Pursuit Based Channel Estimation for ISDB-T
- Improving Detection Accuracy using Subspace Method in LCX Based Positioning System of Radio Terminals

- Sensing

- Particle Filter-Assisted Positioning Method for Identifying RFID-Tag Implanted in the Organism
- Joint Estimation of Position and Gain for RFID-Tag Assisted Surgery Support System

- Wireless power transmission
- Wide-area wireless power supply

Research Topic： Improving Detection Accuracy using Subspace Method in LCX Based Positioning System of Radio Terminals

Person in charge: Shuhei Oki　

Research Brief

This article proposes an accuracy improving method in LCX positioning system for radio terminals.The subspace method is introduced in the proposed method to estimate the position after the channel response between radio terminal and base station. As a result of computer simulation, it is found that there is no critical degradation in the principle of operation of proposed modified subspace method.

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After graduation

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Lectures

　Quarter I
Principles of Signal Processing
　Quarter II
Wireless Communication Systems

　Quarter III
Signal Detection Theory