Resource allocation for ultra-dense networks: A survey, some research issues and challenges
Driven by the explosive data traffic and new quality of service requirement of mobile users,
the communication industry has been experiencing a new evolution by means of network …
the communication industry has been experiencing a new evolution by means of network …
Multiple access for near-field communications: SDMA or LDMA?
Spatial division multiple access (SDMA) is essential to improve the spectrum efficiency for
multi-user multiple-input multiple-output (MIMO) communications. The classical SDMA for …
multi-user multiple-input multiple-output (MIMO) communications. The classical SDMA for …
Terahertz-band joint ultra-massive MIMO radar-communications: Model-based and model-free hybrid beamforming
Wireless communications and sensing at terahertz (THz) band are increasingly investigated
as promising short-range technologies because of the availability of high operational …
as promising short-range technologies because of the availability of high operational …
Cell-free millimeter-wave massive MIMO systems with limited fronthaul capacity
G Femenias, F Riera-Palou - IEEE Access, 2019 - ieeexplore.ieee.org
Network densification, massive multiple-input multiple-output (MIMO), and millimeter-wave
(mmWave) bands have recently emerged as some of the physical layer enablers for the …
(mmWave) bands have recently emerged as some of the physical layer enablers for the …
Hybrid beamforming for terahertz multi-carrier systems over frequency selective fading
We propose novel hybrid beamforming schemes for the terahertz (THz) wireless system
where a multi-antenna base station (BS) communicates with a multi-antenna user over …
where a multi-antenna base station (BS) communicates with a multi-antenna user over …
Energy-efficient access-point sleep-mode techniques for cell-free mmWave massive MIMO networks with non-uniform spatial traffic density
J García-Morales, G Femenias, F Riera-Palou - IEEE access, 2020 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (MIMO) is a novel beyond 5G (B5G) and 6G
paradigm that, through the use of a common central processing unit (CPU), coordinates a …
paradigm that, through the use of a common central processing unit (CPU), coordinates a …
Channel-covariance and angle-of-departure aided hybrid precoding for wideband multiuser millimeter wave MIMO systems
Hybrid precoding is essential for millimeter wave (mmWave) multiple-input multiple output
(MIMO) systems due to its inherent advantage of a high gain, whilst alleviating the high cost …
(MIMO) systems due to its inherent advantage of a high gain, whilst alleviating the high cost …
Super-resolution channel estimation for arbitrary arrays in hybrid millimeter-wave massive MIMO systems
This paper develops efficient channel estimation techniques for millimeter-wave (mmWave)
massive multiple-input multiple-output (MIMO) systems under practical hardware limitations …
massive multiple-input multiple-output (MIMO) systems under practical hardware limitations …
5G uniform linear arrays with beamforming and spatial multiplexing at 28, 37, 64, and 71 GHz for outdoor urban communication: A two-level approach
J Lota, S Sun, TS Rappaport… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Multiple-input multiple-output (MIMO) spatial multiplexing and beamforming are regarded as
key technology enablers for the fifth-generation (5G) millimeter wave (mmWave) mobile …
key technology enablers for the fifth-generation (5G) millimeter wave (mmWave) mobile …
Online successive convex approximation for two-stage stochastic nonconvex optimization
Two-stage stochastic optimization, in which a long-term master problem is coupled with a
family of short-term subproblems, plays a critical role in various application areas. However …
family of short-term subproblems, plays a critical role in various application areas. However …