A novel TDS-FDMA scheme for multi-user uplink scenarios

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Authors Linglong Dai, Zhaocheng Wang, Jun Wang, Zhixing Yang
Journal/Conference Name IEEE Global Telecommunications Conferenceā€¦
Paper Category
Paper Abstract Time domain synchronous OFDM (TDS-OFDM) with higher spectral efficiency than cyclic prefix OFDM (CP-OFDM)was originally proposed for downlink broadcasting transmission. To support multi-user uplink scenarios, this paper proposes a novel multiple access scheme called time domain synchronous frequency division multiple access (TDS-FDMA), wherein an uniform frame structure and its corresponding receiveralgorithms are presented for both single-carrier and multicarrier signal transmission. Compared with typical OFDMA systems, TDS-FDMA has higher spectral efficiency. The multi-user TDS-FDMA receiver has lower complexity than the conventional single-user TDS-OFDM receiver, and it can achieve better bit error rate (BER) performance under the slow to medium time-varying channels.
Date of publication 2010
Code Programming Language MATLAB

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