• Publications
  • Influence
On the Design of Multiuser Codebooks for Uplink SCMA Systems
Sparse code multiple access (SCMA) is a promising uplink multiple access technique that can achieve superior spectral efficiency, provided that multidimensional codebooks are carefully designed. InExpand
  • 50
  • 7
Joint Multiuser Detection of Multidimensional Constellations Over Fading Channels
We investigate the error performance of multidimensional constellations in the multiple access and broadcast channels. More specifically, we provide closed-form expressions for the pairwise errorExpand
  • 36
  • 5
Bit-Interleaved Coded SCMA With Iterative Multiuser Detection: Multidimensional Constellations Design
This paper investigates the constellation/codebook design of a promising uplink multiple access technique, sparse code multiple access (SCMA), proposed for the fifth generation mobile networks. TheExpand
  • 15
  • 4
Error Performance of Sparse Code Multiple Access Networks with Joint ML Detection
This paper investigates error performance of sparse code multiple access (SCMA) networks with multiple access channels (MAC) and broadcast channels (BC).We give the closed-form expression for theExpand
  • 18
  • 2
Sparse Code Multiple Access (SCMA)
Sparse Code Multiple Access (SCMA) enables non-orthogonal transmissions of multiple users’ signals among code and power domain, which could greatly improve the spectral efficiency. Due to theExpand
  • 4
  • 1
Spherical Codes for SCMA Codebook
In this paper, we investigate the application of spherical codes in a sparse code multiple access (SCMA) system. We use spherical codes to build multidimensional mother constellations for SCMAExpand
  • 31
Performance Analysis of Uplink SCMA With Receiver Diversity and Randomly Deployed Users
This paper considers the performance analysis of sparse code multiple access (SCMA) with receive diversity arrays and randomly deployed users in a cellular uplink scenario. The impact of path loss onExpand
  • 13
Performance analysis of uplink sparse code multiple access with iterative multiuser receiver
This paper investigates the asymptotic performance of bit-interleaved coded modulation (BICM) with iterative multiuser detection and decoding in uplink sparse code multiple access (SCMA) systems. TheExpand
  • 3
A lattice coding based non-orthogonal multiple access scheme
Non-orthogonal multiple access (NOMA) employing nested lattice codes is investigated in a downlink transmission scenario. The fundamental idea is the multiple access scheme via Compute-and-ForwardExpand
  • 3
Performance Analysis of Uplink Sparse Code Multiple Access in Rician Fading
This paper investigates the error performance of uplink sparse code multiple access (SCMA) over Rician fading channels, with the assumption of joint maximum likelihood multiuser detection. We provideExpand