Zobrazeno 1 - 10
of 141
pro vyhledávání: '"Han Shuangfeng"'
Autor:
Li, Yupeng, Li, Gang, Wen, Zirui, Han, Shuangfeng, Gao, Shijian, Liu, Guangyi, Wang, Jiangzhou
The AI-enabled autoencoder has demonstrated great potential in channel state information (CSI) feedback in frequency division duplex (FDD) multiple input multiple output (MIMO) systems. However, this method completely changes the existing feedback st
Externí odkaz:
http://arxiv.org/abs/2407.00896
Reconfigurable intelligent surfaces (RIS) can improve signal propagation environments by adjusting the phase of the incident signal. However, optimizing the phase shifts jointly with the beamforming vector at the access point is challenging due to th
Externí odkaz:
http://arxiv.org/abs/2311.15313
Deep neural networks (NNs) are considered a powerful tool for balancing the performance and complexity of multiple-input multiple-output (MIMO) receivers due to their accurate feature extraction, high parallelism, and excellent inference ability. Gra
Externí odkaz:
http://arxiv.org/abs/2308.11335
Toward end-to-end mobile service provision with optimized network efficiency and quality of service, tremendous efforts have been devoted in upgrading mobile applications, transport and internet networks, and wireless communication networks for many
Externí odkaz:
http://arxiv.org/abs/2306.16193
With the quick proliferation of extended reality (XR) services, the mobile communications networks are faced with gigantic challenges to meet the diversified and challenging service requirements. A tight coordination or even convergence of applicatio
Externí odkaz:
http://arxiv.org/abs/2306.09164
For frequency division duplex systems, the essential downlink channel state information (CSI) feedback includes the links of compression, feedback, decompression and reconstruction to reduce the feedback overhead. One efficient CSI feedback method is
Externí odkaz:
http://arxiv.org/abs/2204.12698
Autor:
Chen, Yan, Bayesteh, Alireza, Wu, Yiqun, Ren, Bin, Kang, Shaoli, Sun, Shaohui, Xiong, Qi, Qian, Chen, Yu, Bin, Ding, Zhiguo, Wang, Sen, Han, Shuangfeng, Hou, Xiaolin, Lin, Hao, Visoz, Raphael, Razavi, Razieh
Non-orthogonal multiple access (NoMA) as an efficient way of radio resource sharing can root back to the network information theory. For generations of wireless communication systems design, orthogonal multiple access (OMA) schemes in time, frequency
Externí odkaz:
http://arxiv.org/abs/1802.03880
A range of efficient wireless processes and enabling techniques are put under a magnifier glass in the quest for exploring different manifestations of correlated processes, where sub-Nyquist sampling may be invoked as an explicit benefit of having a
Externí odkaz:
http://arxiv.org/abs/1709.01757
Hybrid precoding is a promising technique for mmWave massive MIMO systems, as it can considerably reduce the number of required radio-frequency (RF) chains without obvious performance loss. However, most of the existing hybrid precoding schemes requi
Externí odkaz:
http://arxiv.org/abs/1708.07022
Millimeter-wave massive MIMO with lens antenna array can considerably reduce the number of required radio-frequency (RF) chains by beam selection. However, beam selection requires the base station to acquire the accurate information of beamspace chan
Externí odkaz:
http://arxiv.org/abs/1707.07624