Energy-Efficient Resource Allocation in Massive MIMO Wireless Networks

Beschreibung

Future wireless networks must provide high data rates while limiting the energy consumption of increasingly complex radio infrastructure. This cumulative dissertation investigates energy-efficient resource allocation in massive MIMO wireless networks from both system- and hardware-level perspectives. The first part develops optimization frameworks for antenna and resource activation, user association, and base-station switch-off in heterogeneous networks. The second part addresses the physical layer, where nonlinear power-amplifier behavior limits energy efficiency in OFDM-based massive MIMO systems. Using the Energy-Efficiency–Rate (EE–R) plane as a unifying framework, the thesis shows that energy-efficient operation is governed by well-defined energy-optimal operating points rather than by simply maximizing transmit power, bandwidth, or antenna count. The results provide analytical and algorithmic foundations for energy-efficient design of future wireless networks.

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Siddarth Marwaha

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