爱得痛了
发表于 2025-3-30 08:33:05
Ruizhong Du,Jing Cui,Mingyue Liks can be overcome by smart antenna technologies such as multiple-input-multiple-output (MIMO) technologies and beamforming antenna array. In MIMO systems, multiple antennas are used for both transmission and reception, which is the crucial architecture for emerging wireless communication systems. M
提炼
发表于 2025-3-30 14:18:51
Bowen Deng,Shuangliang Zhao,Dongchang Liuy for cellular networks in the fifth generation and beyond. In massive MIMO, the base station (BS) requires complete and accurate channel state information (CSI) for realizing the benefits of massive MIMO technology. The CSI can be obtained either through feedback from users or channel reciprocity t
Talkative
发表于 2025-3-30 19:21:17
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Bereavement
发表于 2025-3-30 22:01:50
Beiji Zou,Yue Zhang,Min Wang,Shu Liunt energy efficiency (EE) and spectral efficiency (SE) requirements of B5G systems with better error rate performance over the conventional techniques. IM relaxes the need for activating all the resources at the transmitter to transmit the information, thereby allowing low-complexity transmitter arc
ablate
发表于 2025-3-31 01:22:57
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确认
发表于 2025-3-31 05:57:01
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Interstellar
发表于 2025-3-31 11:17:03
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Reservation
发表于 2025-3-31 15:10:00
Beiji Zou,Yue Zhang,Min Wang,Shu Liurces. The FD communication allows the simultaneous transmission and reception on the same frequency band within the same device, which theoretically doubles the spectral efficiency. Moreover, FD multiple user communication assisted by spectral efficient bidirectional relays provides better coverage,
expository
发表于 2025-3-31 21:02:37
Bin Sheng,Lei Bi,Daniel Thalmannks (4G). Recently, filtered multicarrier (FMC) transmission-based techniques have been proposed as the waveforms for 5G systems. These techniques have their own merits and demerits. Some major demerits still remain unsolved in the design of 5G waveforms. The high peak-to-average power ratio (PAPR) o
Commodious
发表于 2025-4-1 00:58:20
Shiya Huang,Qiang Li,Jiajun Li,Jinzheng Lu consumption of available resources. It has been recorded that the communication networks dissipate nearly 1% of the worldwide total power consumption which results in millions of tons of . emission due to their production, thereby causing various environmental health hazards. The optimal utilizatio