The Telecommunication Systems Laboratory (TSL) is framed within the Department of Digital Systems of the University of Piraeus. The main objective of TSL is to conduct research, development and educational activities in various areas of Wireless Communications. The research areas of TSL span Personal Communications Systems, Mobile and Wireless Communications Systems, Satellite Communications Systems (Fixed and Mobile), Wireless Sensor Networks, and Fixed Wireless Systems. Through such activities, the TSL aims at contributing to the collective excellence of the Department of Digital Systems and the University of Piraeus.

Wireless Communication Systems

  • Wideband MIMO systems optimization
  • Design and investigation of channel measurement campaigns, methodology investigation for post processing of channel measurements and channel characterization for satellite and earthly mobile communication systems (SISO, SIMO,MIMO)
  • Modelling and simulation of earthly and satellite mobile communication channels (SISO,SIMO,MIMO)
  • Wideband systems with relays
  • Cooperative wideband systems
  • Ultra wideband (UWB systems)
  • Application of evolutional algorithm techniques (e.g. genetic algorithms) for design optimization of physical layer techniques
  • Adaptive transmit architectures and application to wireless sensor networks
  • Design of wireless communication systems (e.g. Wimax)

Digital Communication Systems

  • Exhaustive study and performance valuation of digital communication systems, such as DS-CDMA, OFDM, OFDMA, MC-CDMA
  • Design and simulation of modern digital communication systems

Personal Communication Systems

  • Investigation of Ray Tracing techniques for personal and mobile communication systems, with application to indoor and outdoor environaments.

Satellite Communication Systems

  • Design of satellite communication systems

Mobile Communication Systems

Digital Signal Processing for Telecommunications

  • Performance evaluation of MIMO architectures
  • Signal processing for MIMO systems

Antenna Technologies & Smart Antennas

  • Investigation of methodologies and algorithms for the design and implementation of smart antennas

Signal Propagation

  • Investigation of reduced hardware complexity solutions for wireless communication systems
  • RF design techniques

RF System Design and Development

  • Investigation of reduced hardware complexity solutions for wireless communication systems
  • RF design techniques

Broadband Transmission Techniques

Non-ionizing Radiation

  • Measurements on non-ionizing radiation’s strength

Digital Circuit Design

  • Design and implementation of digital circuis and schemes

Reconfigurable Digital Systems

  • Design and implementation of reconfigurable digital systems (e.g. FPGAs)

Microwaves and Transmission Lines

  • Design and implementation of Microwave schemes

Optical Communication Systems

  • Design and implementation of of optical communication systems

Design of connectivity architectures for Android smartphones to support simultaneous Mobile/WiFi connectivity

  • Design of new Wi-Fi security methods on Android
  • Investigate the simultaneously use of multiple wireless interfaces
  • Import the new proposed protocol Multipath TCP (MPTCP) on the Android platform

Performance analysis of vertical handovers in wireless networks

  • Investigate the outage probability, call acceptance probability and network statistics

Design and simulation of dynamic spectrum assignment algorithms for cellular networks.