Multiple access techniques for intelligent and multi-functional 6G: Tutorial, survey, and outlook

B Clerckx, Y Mao, Z Yang, M Chen, A Alkhateeb… - arXiv preprint arXiv …, 2024 - arxiv.org
Multiple access (MA) is a crucial part of any wireless system and refers to techniques that
make use of the resource dimensions to serve multiple users/devices/machines/services …

Rate-diverse multiple access over Gaussian channels

P Chen, L Shi, Y Fang, FCM Lau… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, we develop a pair of rate-diverse encoder and decoder for a two-user Gaussian
multiple access channel (GMAC). The proposed scheme enables the users to transmit with …

Polar-coded gaussian multiple-access channels with physical-layer network coding

Y Qiu, Z Xie, P Kang, P Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this paper, we propose a two-user polar-coded physical-layer network coding (TU-PC-
PNC) scheme for the Gaussian multiple access channel (GMAC) to enhance the …

Gaussian and fading multiple access using linear physical-layer network coding

Q Chen, F Yu, T Yang, R Liu - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
This paper concerns with efficient communication over Gaussian and fading multiple-access
channels (MACs). Existing orthogonal multiple-access (OMA) and power-domain …

Polarization-aided coding for non-orthogonal multiple access

Z Xie, P Chen, Y Fang, Q Chen - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
In this paper, we propose a polarization-aided polar coding scheme over non-orthogonal
multiple access channels operated with physical-layer network coding (PN-NOMA), where M …

The magic of superposition: A survey on simultaneous transmission based wireless systems

U Altun, GK Kurt, E Ozdemir - IEEE Access, 2022 - ieeexplore.ieee.org
In conventional communication systems, any interference between two communicating
points is regarded as unwanted noise since it distorts the received signals. On the other …

On Lattice-based Broadcasting for Massive-user MIMO: Practical Algorithms and Optimization

X Qiu, T Yang, J Thompson - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
This paper studies a lattice-based broadcasting (LBC) scheme for a single-cell downlink
system. The base station (BS) has N antennas and the K user-equipments (UEs) have a …

On the Design of Repetition-based Slotted ALOHA Operated with -ary Compute-Forward

T Yang, Z Xi, W Ren, F Yu - IEEE Transactions on Vehicular …, 2024 - ieeexplore.ieee.org
This correspondence studies slotted ALOHA (SA) operated with-ary compute-forward (CF)
for grant-free random access. At the transmitters, a practical-ary channel code and repetition …

Design of Coded Slotted ALOHA Operated with -Ary Physical-Layer Network Coding

T Yang, W Ren, F Yu - ICC 2023-IEEE International …, 2023 - ieeexplore.ieee.org
We study a physical-layer network coding (PNC) enhanced slotted ALOHA (SA) scheme. At
the transmitters, practical q-ary modulation codes (a practical lattice code) and contention …

A Linear Physical-Layer Network Coding Based Multiple Access Approach

Q Chen, F Yu, T Yang, J Zhu… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
This paper studies a linear physical-layer network coding multiple access (LPNC-MA)
scheme that is capable of achieving any rate-tuples in the MAC capacity region without …