A hybrid TIM-NOMA scheme for the SISO Broadcast Channel

Vaia Kalokidou; Oliver T Johnson; Robert J Piechocki

doi:10.1109/ICCW.2015.7247210

A hybrid TIM-NOMA scheme for the SISO Broadcast Channel

Vaia Kalokidou, Oliver T Johnson, Robert J Piechocki

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

5 Citations (Scopus)

280 Downloads (Pure)

Abstract

Future mobile communication networks will require enhanced network efficiency and reduced system overhead due to their user density and high data rate demanding applications of the mobile devices. Research on Blind Interference Alignment (BIA) and Topological Interference Management (TIM) has shown that optimal Degrees of Freedom (DoF) can be achieved, in the absence of Channel State Information (CSI) at the transmitters, reducing the network's overhead. Moreover, the recently emerged Non-Orthogonal Multiple Access (NOMA) scheme suggests a different multiple access approach, compared to the current orthogonal methods employed in 4G networks, resulting in high capacity gains. Our contribution is a hybrid TIM-NOMA scheme in Single-Input-Single-Output (SISO) K- user cells, in which users are divided into T groups, and 1/T DoF is achieved for each user. By superimposing users in the power domain, we introduce a two-stage decoding process, managing “inter-group” interference based on the TIM principles, and “intra-group” interference based on Successful Interference Cancellation (SIC), as proposed by NOMA. We show that for high SNR values the hybrid scheme can improve the sum rate by at least 100% when compared to Time Division Multiple Access (TDMA).

Original language	English
Title of host publication	2015 ICC - 2015 IEEE International Conference on Communication Workshop
Subtitle of host publication	Proceedings of a meeting held 8-12 June 2015, London, United Kingdom
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	387-392
Number of pages	6
ISBN (Electronic)	9781467363044
ISBN (Print)	9781467363068
DOIs	https://doi.org/10.1109/ICCW.2015.7247210
Publication status	Published - Nov 2015

Publication series

Name	IEEE International Conference on Communications Workshop
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
ISSN (Print)	2164-7038

Access to Document

10.1109/ICCW.2015.7247210

1501.07723v1Accepted author manuscript, 411 KB

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Cite this

Kalokidou, V., Johnson, O. T., & Piechocki, R. J. (2015). A hybrid TIM-NOMA scheme for the SISO Broadcast Channel. In 2015 ICC - 2015 IEEE International Conference on Communication Workshop: Proceedings of a meeting held 8-12 June 2015, London, United Kingdom (pp. 387-392). (IEEE International Conference on Communications Workshop). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/ICCW.2015.7247210

Kalokidou, Vaia ; Johnson, Oliver T ; Piechocki, Robert J. / A hybrid TIM-NOMA scheme for the SISO Broadcast Channel. 2015 ICC - 2015 IEEE International Conference on Communication Workshop: Proceedings of a meeting held 8-12 June 2015, London, United Kingdom. Institute of Electrical and Electronics Engineers (IEEE), 2015. pp. 387-392 (IEEE International Conference on Communications Workshop).

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abstract = "Future mobile communication networks will require enhanced network efficiency and reduced system overhead due to their user density and high data rate demanding applications of the mobile devices. Research on Blind Interference Alignment (BIA) and Topological Interference Management (TIM) has shown that optimal Degrees of Freedom (DoF) can be achieved, in the absence of Channel State Information (CSI) at the transmitters, reducing the network's overhead. Moreover, the recently emerged Non-Orthogonal Multiple Access (NOMA) scheme suggests a different multiple access approach, compared to the current orthogonal methods employed in 4G networks, resulting in high capacity gains. Our contribution is a hybrid TIM-NOMA scheme in Single-Input-Single-Output (SISO) K- user cells, in which users are divided into T groups, and 1/T DoF is achieved for each user. By superimposing users in the power domain, we introduce a two-stage decoding process, managing “inter-group” interference based on the TIM principles, and “intra-group” interference based on Successful Interference Cancellation (SIC), as proposed by NOMA. We show that for high SNR values the hybrid scheme can improve the sum rate by at least 100% when compared to Time Division Multiple Access (TDMA).",

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Kalokidou, V , Johnson, OT & Piechocki, RJ 2015, A hybrid TIM-NOMA scheme for the SISO Broadcast Channel. in 2015 ICC - 2015 IEEE International Conference on Communication Workshop: Proceedings of a meeting held 8-12 June 2015, London, United Kingdom. IEEE International Conference on Communications Workshop, Institute of Electrical and Electronics Engineers (IEEE), pp. 387-392. https://doi.org/10.1109/ICCW.2015.7247210

A hybrid TIM-NOMA scheme for the SISO Broadcast Channel. / Kalokidou, Vaia ; Johnson, Oliver T ; Piechocki, Robert J.

2015 ICC - 2015 IEEE International Conference on Communication Workshop: Proceedings of a meeting held 8-12 June 2015, London, United Kingdom. Institute of Electrical and Electronics Engineers (IEEE), 2015. p. 387-392 (IEEE International Conference on Communications Workshop).

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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Kalokidou V , Johnson OT , Piechocki RJ. A hybrid TIM-NOMA scheme for the SISO Broadcast Channel. In 2015 ICC - 2015 IEEE International Conference on Communication Workshop: Proceedings of a meeting held 8-12 June 2015, London, United Kingdom. Institute of Electrical and Electronics Engineers (IEEE). 2015. p. 387-392. (IEEE International Conference on Communications Workshop). https://doi.org/10.1109/ICCW.2015.7247210