Research on CSI feedback and precoding in FDD cell-free massive MIMO systems

For frequency division duplexing (FDD) cell-free massive multiple input multiple output (MIMO) systems, maximizing downlink capacity relies on designing a precoding matrix that achieves high beamforming gain and effectively suppresses multi-user interference. The accurate acquisition of downlink cha...

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Autori principali:	ZHANG Dekun, BAI Baoming
Natura:	Artigo
Lingua:	Chinês
Pubblicazione:	Beijing Xintong Media Co., Ltd 2024-12-01
Serie:	Dianxin kexue
Soggetti:	FDD cell-free massive MIMO co-located spatial user cluster CSI measurement and feedback two-stage precoding
Accesso online:	http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2024253/
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