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Space Division Multiple Access (SDMA) using Adaptive Antenna Array (AAA) allows multiple users to simultaneously access using the same bandwidth and hence is spectrum efficient. Single-Carrier (SC) transmission has been widely adopted by uplink communication due to its lower Peak-to-Average-Power-Ratio (PAPR) than Multi-Carrier (MC) transmission. However, broadband SC channel is frequency-selective and the Inter-Symbol Interference (ISI) is produced in addition to the multiuser interference. Frequency Domain AAA (FDAAA) is a combination of AAA and Frequency-Domain Equalization (FDE). In this paper, the uplink capacity is investigated for the cellular system with FDAAA.
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