This dissertation looks at the problem of dynamic resource
allocation (DRA) in both single-user and multi-user wireless fading
channels. This dissertation investigates various key issues on
implementation of DRA in wireless systems, such as delay
constraint, algorithm complexity, feedback overhead, transceiver
structure, and fairness between users, among others. This
dissertation demonstrates the usefulness of convex optimization
techniques for solving DRA problems in wireless fading channels.
First, this dissertation studies the capacity limits and
power-control policies for the single-user fading channel. Second,
for the MIMO-OFDM channel, this dissertation presents a closed-loop
extension of the well-known vertical Bell Labs layered space-time
(V-BLAST) architecture whereby the receiver jointly optimizes the
power and rate assignments for transmit antennas and then returns
them to the transmitter. Third, this dissertation investigates the
information-theoretic limits of multiuser, fading, multiple-access
channel (MAe. This dissertation draws an interesting dual
relationship between power and capacity regions of Gaussian MAC.
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