EE677A: Topics

  • Wireless communication basics for single-antenna channels:

    • Capacity of deterministic channels

    • Outage capacity for slow-fading channels

    • Ergodic capacity for fast-fading channels

  • Single-user MIMO wireless systems:

    • Full transmit and receive channel state information (CSI)

      • Capacity of deterministic, slow, and fast fading channels

      • SVD-based capacity-achieving transmitter-receiver (transceiver) design

      • Water-filling power allocation technique to achieve capacity

    • Receive CSI alone

      • Capacity of deterministic, slow, and fast fading channels

      • Linear MF, ZF and MMSE transceiver design

      • Non-linear ZF-SIC and MMSE-SIC receivers

      • Capacity optimality of MMSE-SIC receivers

  • Uplink multi-user MIMO wireless networks:

    • Capacity region

    • Optimal transceiver designs

    • Multi-user water-filling to achieve capacity

  • Downlink multi-user MIMO wireless networks:

    • Sum capacity

    • Suboptimal transceiver designs

      • Zero-forcing, block-diagonalization

  • Multi-cell massive MIMO (mMIMO) wireless networks:

    • Channel model for mMIMO networks

      • LoS channel, NLoS channels - local scattering model

      • Impact of spatial channel correlation on mMIMO performance

      • Channel hardening and favorable propagation

    • mMIMO channel estimation

      • High complexity estimator: MMSE

      • Low complexity estimators: element-wise MMSE, least squares

      • Difference in uplink and downlink channel estimation

    • Receiver design for multi-cell mMIMO

      • Multi-cell MMSE receiver, single-cell MMSE receiver, regularized zero forcing (RZF), ZF and MRC

      • Performance comparison of receivers in a realistic multi-cell set-up

    • Use and to Forget (UatF) spectral efficiency bound