Energy efficiency of massive random access in MIMO quasi-static Rayleigh fading channels with finite blocklength

J Gao, Y Wu, S Shao, W Yang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper considers the massive random access problem in multiple-input multiple-output
(MIMO) quasi-static Rayleigh fading channels. Specifically, we derive achievability and …

Finite-blocklength results for the A-channel: Applications to unsourced random access and group testing

A Lancho, A Fengler… - 2022 58th Annual Allerton …, 2022 - ieeexplore.ieee.org
We present finite-blocklength achievability bounds for the unsourced A-channel. In this
multiple-access channel, users noiselessly transmit codewords picked from a common …

Many-user multiple access with random user activity

X Liu, PP Cobo… - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
We study the Gaussian multiple access channel with random user activity, in the regime
where the number of users is proportional to the code length. The receiver may know some …

Capacity of Many‐Access Channels

L Liu, D Guo - Next Generation Multiple Access, 2024 - Wiley Online Library
The proliferation of machine‐type devices has underscored the need of a solution for
efficient and scalable wireless access for a massive number of users in a cell. Many‐user …

Near-optimal coding for many-user multiple access channels

K Hsieh, C Rush… - IEEE Journal on Selected …, 2022 - ieeexplore.ieee.org
This paper considers the Gaussian multiple-access channel in the asymptotic regime where
the number of users grows linearly with the code length. We propose efficient coding …

Many-User Multiple Access with Random User Activity: Achievability Bounds and Efficient Schemes

X Liu, PP Cobo, R Venkataramanan - arXiv preprint arXiv:2412.01511, 2024 - arxiv.org
We study the Gaussian multiple access channel with random user activity, in the regime
where the number of users is proportional to the code length. The receiver may know some …

Coded Many-User Multiple Access via Approximate Message Passing

X Liu, K Hsieh, R Venkataramanan - arXiv preprint arXiv:2402.05625, 2024 - arxiv.org
We consider communication over the Gaussian multiple-access channel in the regime
where the number of users grows linearly with the codelength. We investigate coded CDMA …

Enhancing Cognitive Radio Networks Performance with Game-Theoretic Anti-Jamming Strategies and Trial-Error Learning

M Imran, P Zhiwen, L Nan… - 2024 9th International …, 2024 - ieeexplore.ieee.org
This study employs a Stackelberg game-theoretic framework to investigate anti-jamming
strategies in cognitive radio networks. The study assesses the efficiency of primary and …

Message Passing Algorithms for Statistical Estimation and Communication

X Liu - 2024 - repository.cam.ac.uk
This thesis studies two high-dimensional statistical estimation problems: matrix sketching,
and communication over many-user channels. Efficient recovery schemes, based on belief …

Scaling Laws for Many-Access Channels and Unsourced Random Access

J Ravi, T Koch - 2021 55th Asilomar Conference on Signals …, 2021 - ieeexplore.ieee.org
In the emerging Internet of Things, a massive number of devices may connect to one
common receiver. Consequently, models that study this setting are variants of the classical …