Multidimensional constellations for uplink SCMA systems—A comparative study
Sparse code multiple access (SCMA) is a class of non-orthogonal multiple access (NOMA)
that is proposed to support uplink machine-type communication services. In an SCMA …
that is proposed to support uplink machine-type communication services. In an SCMA …
A tutorial on decoding techniques of sparse code multiple access
Sparse Code Multiple Access (SCMA) is a disruptive code-domain non-orthogonal multiple
access (NOMA) scheme to enable future massive machine-type communication networks …
access (NOMA) scheme to enable future massive machine-type communication networks …
Sparse code multiple access: Potentials and challenges
M Rebhi, K Hassan, K Raoof… - IEEE Open Journal of the …, 2021 - ieeexplore.ieee.org
The massive connectivity is among other unprecedented requirements which are expected
to be satisfied in order to follow the perpetual increase of connected devices in the era of …
to be satisfied in order to follow the perpetual increase of connected devices in the era of …
System and method for transmission in a grant-free uplink transmission scheme
KKK Au, L Zhang, J Ma - US Patent 9,750,056, 2017 - Google Patents
H041 3/00(2006. 01) H04W 74/08(2009. 01) H04W 72/04(2009. 01) H04L 1/18(2006. 01)
US CI. CPC....... H04W 74/0841 (2013. 01); H04W 72/04 (2013. 01); H04L 1/1861 (2013. 01) …
US CI. CPC....... H04W 74/0841 (2013. 01); H04W 72/04 (2013. 01); H04L 1/1861 (2013. 01) …
Codebook design for PD-SCMA NOMA systems
The hybrid power domain sparse code non-orthogonal multiple access (PD-SCMA) scheme
multiplexes multiple users on a single resource element (RE) both in power and code …
multiplexes multiple users on a single resource element (RE) both in power and code …
Methods for configurable non-orthogonal multiple access transmission
Aspects of the present disclosure provide a scheme for generating a multiple access (MA)
signal that include map** each of at least one stream of bits to generate a set of …
signal that include map** each of at least one stream of bits to generate a set of …
System and method for generating waveforms and utilization thereof
J Ma, M Jia, W Tong, P Zhu - US Patent 10,523,383, 2019 - Google Patents
(57) ABSTRACT A method for transmitting a waveform includes adjusting first multiplexing
parameters of a first multi-carrier wave form to meet communications requirements of a …
parameters of a first multi-carrier wave form to meet communications requirements of a …
Mechanisms for multi-tier distributed co-operative multi-point technology
Embodiments of the present disclosure provide mechanisms for the following procedures:
network signaling for user equipment (UE) measurements; UE measurements; UE feedback; …
network signaling for user equipment (UE) measurements; UE measurements; UE feedback; …
System and method for coexistence of grant-free and grant-based uplink traffic
T Islam, KKK Au, J Ma - US Patent 10,299,283, 2019 - Google Patents
Abstract Systems and methods of scheduling grant-based traffic and map** resources for
grant-free traffic are provided. Grant-based traffic is scheduled in a first frequency partition …
grant-free traffic are provided. Grant-based traffic is scheduled in a first frequency partition …
Data transmission method and apparatus
(57) ABSTRACT A data transmission method and apparatus are provided. The method
includes: modulating, based on a codebook, every N information bits of to-be-transmitted …
includes: modulating, based on a codebook, every N information bits of to-be-transmitted …