Title :
Widely Linear Estimation for Space-Time-Coded GFDM in Low-Latency Applications
Author :
Matthe, Maximilian ; Mendes, Luciano Leonel ; Michailow, Nicola ; Dan Zhang ; Fettweis, Gerhard
Author_Institution :
Dept. of Mobile Commun. Syst., Tech. Univ., Dresden, Germany
Abstract :
This paper presents a solution for achieving transmit diversity with generalized frequency division multiplexing (GFDM). Compared to previous works, the proposed solution significantly improves symbol error rate (SER) performance and latency, where both aspects are crucial for future 5G cellular networks. It is shown that widely linear estimation at the receiver side can jointly equalize and demodulate the space-time encoded GFDM signal. Moreover, maximum ratio combining can further increase the SER performance with multiple receive antennas. SER performance is evaluated in Rayleigh fading multipath channels.
Keywords :
5G mobile communication; Rayleigh channels; cellular radio; diversity reception; error statistics; estimation theory; frequency division multiplexing; space-time codes; Rayleigh fading multipath channel; SER performance improvement; future 5G cellular network; generalized frequency division multiplexing; low-latency applications; maximum ratio combining; multiple receive antennas; receiver side linear estimation; space-time-coded GFDM signal demodulation; space-time-coded GFDM signal equalization; symbol error rate performance improvement; 5G mobile communication; Estimation; Frequency-domain analysis; Multipath channels; OFDM; Receiving antennas; Estimation; GFDM; Modulation; Tactile Internet; Transmit Diversity; modulation; tactile internet; transmit diversity;
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOMM.2015.2468228
