Low-complexity soft-output signal detector based on adaptive pre-conditioned gradient descent method for uplink multiuser massive MIMO systems

Low-complexity soft-output signal detector based on adaptive pre-conditioned gradient descent method for uplink multiuser massive MIMO systems

In multiuser massive Multiple Input Multiple Output (MIMO) systems, a large amount of antennas are deployed at the Base Station (BS). In this case, the Minimum Mean Square Error (MMSE) detector with soft-output can achieve the near-optimal performance at the cost of a large-scale matrix inversion op...

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Bibliographic Details
Main Authors: Souleymane Berthe, Xiaorong Jing, Hongqing Liu, Qianbin Chen
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2023-04-01
Series:Digital Communications and Networks
Subjects:
Multiuser massive MIMO
MMSE algorithm
GD Method
Soft-output
Pre-conditioning
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Online Access:http://www.sciencedirect.com/science/article/pii/S2352864822000529

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