Mitigation of phase noise in massive MIMO systems: A rate-splitting approach

This work encompasses Rate-Splitting (RS), providing significant benefits in multi-user settings in the context of huge degrees of freedom promised by massive Multiple-Input Multiple-Output (MIMO). However, the requirement of massive MIMO for cost-efficient implementation makes them more prone to ha...

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Vydáno v:	IEEE International Conference on Communications (2003) s. 1 - 7
Hlavní autoři:	Papazafeiropoulos, Anastasios, Clerckx, Bruno, Ratnarajah, Tharmalingam
Médium:	Konferenční příspěvek
Jazyk:	angličtina
Vydáno:	IEEE 01.05.2017
Témata:	Antennas deterministic equivalent analysis Downlink Interference massive MIMO MIMO Phase noise Rate-splitting regularized zero-forcing precoding Signal to noise ratio Training
ISSN:	1938-1883
On-line přístup:	Získat plný text
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Popis
Shrnutí:	This work encompasses Rate-Splitting (RS), providing significant benefits in multi-user settings in the context of huge degrees of freedom promised by massive Multiple-Input Multiple-Output (MIMO). However, the requirement of massive MIMO for cost-efficient implementation makes them more prone to hardware imperfections such as phase noise (PN). As a result, we focus on a realistic broadcast channel with a large number of antennas and hampered by the unavoidable PN. Moreover, we employ the RS transmission strategy, and we show its robustness against PN, since the sum-rate does not saturate at high signal-to-noise ratio (SNR). Although, the analytical results are obtained by means of the deterministic equivalent analysis, they coincide with simulation results even for finite system dimensions.
ISSN:	1938-1883
DOI:	10.1109/ICC.2017.7997442