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In this Letter, the authors propose a joint resource allocation of antenna selection and power allocation in massive MIMO broadcast channels. The proposed algorithm achieves single-user MIMO performance even with a small number of RF chains.
Inspec keywords: MIMO communication; broadcast channels; resource allocation; transmitting antennas
Other keywords: RF chains; sum rate maximisation; joint resource allocation; massive MIMO broadcast channels; single-user MIMO performance; power allocation; transmit antenna selection
Subjects: Communication system theory; Single antennas; Radio links and equipment