TY - GEN
T1 - User-Centric Cell Formation for Blind Interference Alignment in Optical Wireless Networks
AU - Qidan, Ahmad Adnan
AU - Morales-Cespedes, Maximo
AU - Armada, Ana Garcia
AU - Elmirghani, Jaafar M.H.
N1 - Funding Information:
VII. ACKNOWLEDGMENTS This work was supported in part by the Engineering and Physical Sciences Research Council (EPSRC), in part by the INTERNET project under Grant EP/H040536/1, and in part by the STAR project under Grant EP/K016873/1 and in part
Funding Information:
by the TOWS project under Grant EP/S016570/1. All data are provided in full in the results section of this paper.
Publisher Copyright:
© 2021 IEEE.
PY - 2021/6
Y1 - 2021/6
N2 - Visible light communication (VLC) is considered a promising technology for providing high data rates in indoor environments. In this sense, each optical access point (AP) in a VLC network can be managed as a small cell usually referred to as attocell. Therefore, the received signal is subject to both multi-user interference (MUI) and inter-cell interference (ICI). In this work, we propose a user centric (UC) cell formation approach jointly with the use of blind interference alignment (BIA) in order to manage the interference. We formulate an optimization problem based on maximizing the sum utility of users rates for the sake of jointly finding the optimal cell formation and minimizing the limitations of BIA, i.e., the noise enhancement and the required coherence time given by the mobility of the users. This problem can be solved through exhaustive research, which involves an unpractical complexity. After that, we decouple the main problem into two sub-problems that may be solved separately. The simulation results show that the proposed schemes are more suitable for VLC networks than the considered benchmark schemes.
AB - Visible light communication (VLC) is considered a promising technology for providing high data rates in indoor environments. In this sense, each optical access point (AP) in a VLC network can be managed as a small cell usually referred to as attocell. Therefore, the received signal is subject to both multi-user interference (MUI) and inter-cell interference (ICI). In this work, we propose a user centric (UC) cell formation approach jointly with the use of blind interference alignment (BIA) in order to manage the interference. We formulate an optimization problem based on maximizing the sum utility of users rates for the sake of jointly finding the optimal cell formation and minimizing the limitations of BIA, i.e., the noise enhancement and the required coherence time given by the mobility of the users. This problem can be solved through exhaustive research, which involves an unpractical complexity. After that, we decouple the main problem into two sub-problems that may be solved separately. The simulation results show that the proposed schemes are more suitable for VLC networks than the considered benchmark schemes.
UR - http://www.scopus.com/inward/record.url?scp=85115681895&partnerID=8YFLogxK
UR - https://icc2021.ieee-icc.org/
U2 - 10.1109/ICC42927.2021.9500371
DO - 10.1109/ICC42927.2021.9500371
M3 - Conference contribution
AN - SCOPUS:85115681895
SN - 9781728171234
T3 - IEEE International Conference on Communications
SP - 1
EP - 7
BT - Proceedings of the ICC 2021 - IEEE International Conference on Communications
A2 - Aissa, Sonia
A2 - Schober, Robert
A2 - Valenti, Matthew C.
PB - IEEE, Institute of Electrical and Electronics Engineers
CY - United States
T2 - 2021 IEEE International Conference on Communications, ICC 2021
Y2 - 14 June 2021 through 23 June 2021
ER -