Achievable Rates for Full-Duplex Massive MIMO Systems Over Rician Fading Channels

We study the uplink and downlink achievable rate of full-duplex large-scale multi-input multioutput (MIMO) systems with a base station (BS) and users over Rician fading channels, based on maximum ratio combining/maximum ratio transmission and zero-forcing reception/zero-forcing transmission processi...

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Bibliographic Details
Published in:IEEE access 2018, Vol.6, p.30208-30216
Main Authors: Liu, Juan, Dai, Jianxin, Wang, Jin-Yuan, Zhao, Junxi, Cheng, Chonghu
Format: Article
Language:English
Subjects:
Antennas
Channels
Downlink
Downlinking
Fading
Fading channels
Full-duplex
Interference
large-scale MIMO
Massive MIMO
MIMO communication
MRC/MRT
Rician
Rician channels
Scaling laws
Transmitting antennas
Uplink
Wireless communication systems
Wireless communications
ZFR/ZFT
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Summary:We study the uplink and downlink achievable rate of full-duplex large-scale multi-input multioutput (MIMO) systems with a base station (BS) and users over Rician fading channels, based on maximum ratio combining/maximum ratio transmission and zero-forcing reception/zero-forcing transmission processing. Contrary to previous related works over Rayleigh fading channels, this paper assumes that the fast fading MIMO channel matrix follows the Rice distribution which will be more common in future 5G wireless communication systems. We derive approximate expressions of the uplink and downlink achievable rate for perfect channel state information when the number of BS antennas grows large. Based on the theoretical analysis, it is found that when the antennas of the BS are large enough and the power scaling law is applied properly, the impact of multi-user interference, loop interference, inter-user interference, and noise can be suppressed. In addition, the simulation results show that the uplink and downlink achievable rates increase with the number of BS antennas and they will converge to fixed values with the increasing Rician K-factor.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2018.2844372