Inter-relay interference suppression for two-path MIMO relay systems

Inter-relay interference suppression for two-path MIMO relay systems

A two-path multiple-input multiple-output (MIMO) relay system is addressed, in which the inter-relay interference (IRI) between two relays leads to deterioration of system performance. Transmit and receive weight vectors are employed for suppressing the IRI. Maximising the ratio between the power of...

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Veröffentlicht in:Electronics letters 2016-04, Vol.52 (9), p.774-776
Hauptverfasser: Rui, Xianyi, Wang, Mengmeng, Liu, SuQi
Format: Artikel
Sprache:eng
Schlagworte:
Deterioration
Interference
interference suppression
interrelay interference suppression
IRI
Mathematical analysis
MIMO (control systems)
MIMO communication
optimal receive
Relay
relay networks (telecommunication)
relay reception
Relay systems
Retarding
transmit suppression vectors
two‐path MIMO relay systems
two‐path multiple‐input multiple‐output relay system
Vectors (mathematics)
Wireless communications
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Beschreibung
Zusammenfassung:A two-path multiple-input multiple-output (MIMO) relay system is addressed, in which the inter-relay interference (IRI) between two relays leads to deterioration of system performance. Transmit and receive weight vectors are employed for suppressing the IRI. Maximising the ratio between the power of the desired signal to the IRI power at the relay reception and transmission and forming a criterion function for jointly calculating the optimal receive and transmit suppression vectors, respectively. Simulation results show that the proposed scheme can improve the system performance.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2015.4006