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Beamforming in MIMO-OFDM systems: Codebook design for efficient implementation

By Melissa Duarte

Abstract

Quantized feedback in multiple antenna systems has potential to increase throughput and/or reduce probability of outage. In this work, we present a method to generate quantization codebooks tailored for efficient implementation of beamforming-based Multiple-Input Multiple-Output (MIMO) transmissions. The proposed codebooks can reduce computational requirements significantly, making feasible an efficient architecture for a real-time transmit beamforming and receive combining MIMO orthogonal frequency division multiplexing (OFDM) system. Simulation results validate the proposed codebook construction method and architecture

Topics: Electronics, Electrical engineering
Year: 2007
OAI identifier: oai:scholarship.rice.edu:1911/20502
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