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Radio communication systems

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  • In this thesis, focus on the wireless links between devices equipped by deployed operating personnel and intermediary access point infrastructure. We use multi-radio (MR) platforms, wireless devices with multiple and diverse transceiver technologies, to produce robust and reliable links through adaptive control of available transceivers. Primarily, we study the application of intelligent control techniques, namely reinforcement learning (RL), for adaptive control over diverse transceivers to achieve the desired robustness and reliability under dynamic environmental conditions.

    pdf185p runthenight04 02-02-2023 7 2   Download

  • Evaluating nonlinear HPA models regarding to problem of simulating intermodulation products (IMP). Proposing the polysine model for precise simulation of IMPs, especially for signals with complex structures. Proposing the use of predistortion schemes for MIMO-STBC systems based on thorough analyses of the nonlinear HPA effects on these systems with transmit/receive filters introduced in the model.

    pdf14p gaocaolon6 30-07-2020 36 1   Download

  • Study counter measures to limit the adverse impacts of nonlinear distortions in MIMO-STBC systems using predistortion at the transmitter; propose phase estimation and compensation schemes that overcome the adverse impacts of nonlinear distortions at the receiver.

    pdf158p gaocaolon6 30-07-2020 25 3   Download

  • Smart Antennas Smart antennas are an important application of SDR technology [381]. An in-depth treatment is beyond the scope of this chapter. The objective is to introduce the topic to identify the implications of smart antennas for softwareradio architecture. The smart antenna is a logical extension of antenna diversity described above [382].

    pdf15p tienvovan 11-09-2010 95 10   Download

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