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Title: Joint space-frequency block codes and signal alignment for heterogeneous networks
Author: Ali, Syed Saqlain
Castanheira, Daniel
Alsohaily, Ahmed
Sousa, Elvino S.
Silva, Adão
Gameiro, Atílio
Keywords: Signal alignment (SA)
Space frequency block codes (SFBC)
Physical-layer network coding (PNC)
Heterogeneous networks (HetNets)
Small-cell system
Macro-cell system
Issue Date: 14-Nov-2018
Publisher: IEEE
Abstract: In this paper, we propose a new diversity-oriented space-frequency block codes (SFBC) and signal alignment (SA) enabled physical network coding (PNC) method for the uplink of heterogeneous networks. The proposed joint Dual-SFBC with SA-PNC design substantially reduces interference and enables connecting a larger number of users when compared with methods adopting interference alignment (IA) or PNC. The main motivation behind the dual SFBC and SA-PNC design is that it allows the efficient coexistence of macro and small cells without any inter-system channel information requirements. Numerical results also verify that the proposed method outperforms the existing SA-PNC static method without any additional information exchange requirement between the two systems while achieving the main benefits of IA and SA-PNC coordinated methods recently proposed.
Peer review: yes
DOI: 10.1109/ACCESS.2018.2881338
ISSN: 2169-3536
Appears in Collections:DETI - Artigos
IT - Artigos

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