Robust Beamforming Design for Cache-Enabled C-RAN With Fronthaul Multicast

In this article, we study a robust beamforming design problem in the cached-enable cloud radio access network, where the imperfect channel state information of the access links are considered. Two transmission schemes, nonsimultaneous transmission (NST) scheme and simultaneous transmission (ST) sche...

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Veröffentlicht in:	IEEE systems journal 2023-06, Vol.17 (2), p.1-11
Hauptverfasser:	Sun, Gangcan, Yao, Zhuang, Hao, Wanming, Zhu, Zhengyu, Liu, Peijia, Zhou, Yiqing
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas Approximation Array signal processing Backhaul networks Base station (BS) caching Beamforming beamforming design cloud radio access network (C-RAN) Delays Iterative algorithms Iterative methods Mathematical analysis Microprocessors Multicasting nonconvex optimization Optimization Robustness Sun Wireless communication
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