Bandwidth- and power-efficient multicarrier multiple access

  title={Bandwidth- and power-efficient multicarrier multiple access},
  author={Pengfei Xia and Shengli Zhou and Georgios B. Giannakis},
  journal={IEEE Trans. Communications},
Orthogonal Frequency Division Multiple Access (OFDMA) gains increasing attention for broadband, high data rate wireless/wireline communications. In this paper, we propose a novel unitary precoded (UP) OFDMA scheme for uplink applications, that increases the system bandwidth efficiency, while preserving constant modulus transmissions. Theoretical analysis for the proposed UP-OFDMA with channel coding quantifies the performance improvement introduced by unitary precoding. It provides guidelines… CONTINUE READING
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