On achievability for downlink cloud radio access networks with base station cooperation

CY Wang, M Wigger, A Zaidi - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper investigates the downlink of a cloud radio access network (C-RAN) in which a
central processor communicates with two mobile users through two base stations (BSs). The …

On the downlink capacity of cell-free massive MIMO with constrained fronthaul capacity

P Zhang, FMJ Willems - Entropy, 2020 - mdpi.com
We investigate the downlink of a cell-free massive multiple-in multiple-out system in which
all access points (APs) are connected in a linear-topolpgy fronthaul with constrained …

Secure degrees of freedom of the Gaussian diamond-wiretap channel

SH Lee, W Zhao, A Khisti - IEEE Transactions on Information …, 2016 - ieeexplore.ieee.org
In this paper, we consider the Gaussian diamond-wiretap channel that consists of an
orthogonal broadcast channel from a source to two relays and a Gaussian fast-fading …

Capacity bounds on the downlink of symmetric, multi-relay, single-receiver C-RAN networks

S Saeedi Bidokhti, G Kramer, S Shamai - Entropy, 2017 - mdpi.com
The downlink of symmetric Cloud Radio Access Networks (C-RANs) with multiple relays and
a single receiver is studied. Lower and upper bounds are derived on the capacity. The lower …

On the capacity regions of cloud radio access networks with limited orthogonal fronthaul

S Ganguly, SE Hong, YH Kim - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Uplink and downlink cloud radio access networks are modeled as two-hop K-user L-relay
networks, whereby small base-stations act as relays for end-to-end communications and are …

New upper bounds on the capacity of primitive diamond relay channels

X Wu, A Ozgur, M Peleg, SS Shitz - 2019 IEEE Information …, 2019 - ieeexplore.ieee.org
Consider a primitive diamond relay channel, where a source X wants to send information to
a destination with the help of two relays Y 1 and Y 2, and the two relays can communicate to …

Broadcast diamond channel: Transmission strategies and bounds

Z Al-qudah, A Ababneh - Journal of the Franklin Institute, 2021 - Elsevier
This paper proposes a new multiuser communication model in which a source with
broadcast capabilities wants to transmit two different messages to two different destinations …

A novel multiple access diamond channel model

Z Al‐qudah, M Al Bataineh… - International Journal of …, 2020 - Wiley Online Library
This paper introduces a new multiuser communication model, which we call multiple access
diamond channel. In this channel model, many sources transmit their signals to a destination …

An upper bound on the sum capacity of the downlink multicell processing with finite backhaul capacity

T Yang, N Liu, W Kang, SS Shitz - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
In this paper, we study upper bounds on the sum capacity of the downlink multicell
processing model with finite backhaul capacity for the simple case of 2 base stations and 2 …

Converse results for the downlink multicell processing with finite backhaul capacity

T Yang, N Liu, W Kang, SS Shitz - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we study outer bounds on the capacity region of the downlink multicell
processing model with finite backhaul capacity for the simple case of two base stations and …