This paper investigates an uplink coordinated multi-point (CoMP) coverage scenario, in
which multiple mobile users are grouped for sparse code multiple access (SCMA), and …

Sparse Code Multiple Access (SCMA), a non-orthogonal multiple access scheme, has been
introduced as a key 5G technology to improve spectral efficiency. In this work, we propose …

As a promising wireless access technique, sparse code multiple access (SCMA) directly
maps the input bits to the transmitted multidimensional codewords according to the SCMA …

Orthogonal time frequency space (OTFS) modulation has recently been recognized as a
promising modulation scheme for high-mobility wireless communications systems. This …

Conventional spatial modulation (SM) is typically considered for transmission in the
downlink of small-scale multiple-input-multiple-output (MIMO) systems, where a single …

A generalised spatial modulation-aided sparse space-time-frequency spreading
(GSM/SSTFS) scheme is proposed for supporting large-scale access at a high normalized …

Space-time shift keying-aided orthogonal time frequency space modulation-based multiple
access (STSK-OTFS-MA) is proposed for reliable uplink transmission in high-Doppler …

Sparse code multiple access (SCMA) is a codebook-based nonorthogonal multiple access
that exploits the coding gain of designed codebooks and the near-optimum performance of …

Multiple-input multiple-output (MIMO) and sparse code multiple access (SCMA) are two key
techniques supporting high spectral efficiency and massive connectivity. In this paper, we …

This paper addresses the problem of data detection in cooperative space-frequency block-
coding (SFBC) orthogonal frequency-division multiplexing (OFDM) systems in the presence …