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Achieving large multiplexing gain in distributed antenna systems via cooperation with pCell technology

Antonio Forenza, Stephen Perlman, Fadi Saibi, Mario Di Dio, Roger van der Laan, Giuseppe Caire
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
In this paper we present pCellTM technology, the first commercial-grade wireless system that employs cooperation between distributed transceiver stations to create concurrent data links to multiple users  ...  cells, i.e., pCells).  ...  CONCLUSION We presented pCell, a multiuser wireless system that enables cooperation between distributed transceivers to achieve large multiplexing gain while foregoing cellularization.  ... 
doi:10.1109/acssc.2015.7421132 dblp:conf/acssc/ForenzaPSDLC15 fatcat:3nw2eu6uefderafbzf4ww4e764

Is Cell-Free Massive MIMO (CF-MMIMO) Equivalent to the Already Existing and Commercialized pCell Technology?

Sadiq Iqbal, Jehad M. Hamamreh
2021 RS Open Journal on Innovative Communication Technologies  
WISLAB (wislabi.com/solutions) offers solutions for building and deploying fully secure, cloud-based, and low-cost end-to-end 4G/5G networks along with providing consultations on helping companies reduce  ...  The benefit acquired by exploiting interference through large-scale cooperation between distributed transceivers and also by allowing high multiplexing gain via multi-user transmissions [45] .  ...  As Distributed FIGURE 2. Massive MIMO. multiplexing gain does not scale to multi-cell WLANs with spatially distributed transmitters.  ... 
doi:10.46470/03d8ffbd.bbd057a2 fatcat:2oav4g5ewzaoxoasvzdb22mbk4

Overview of enabling technologies for 3GPP LTE-advanced

Thien-Toan Tran, Yoan Shin, Oh-Soon Shin
2012 EURASIP Journal on Wireless Communications and Networking  
This article first presents the network infrastructure of the LTE-Advanced, and then provides an in-depth overview of enabling technologies from the physical layer aspects, including carrier aggregation  ...  In particular, we describe concept and principle of each technology and elaborate important technical details. Moreover, we discuss promising study items of the LTE-Advanced for further enhancement.  ...  Coordinated multipoint can be considered as a distributed MIMO system, in that geographically distributed nodes form multiple antennas and they cooperate to transmit to and/or receive from UE's [42] [  ... 
doi:10.1186/1687-1499-2012-54 fatcat:fdevb5ssxrdgpivjwvtxxrskqi

5GCHAMPION - Disruptive 5G Technologies for Roll-Out in 2018

Emilio Calvanese Strinati, Markus Mueck, Antonio Clemente, Junhyeong Kim, Gosan Noh, Heesang Chung, Ilgyu Kim, Taesang Choi, Yeongjin Kim, Hyun Kyu Chung, Giuseppe Destino, Aarno Pärssinen (+5 others)
2018 ETRI Journal  
The 5GCHAMPION Europe-Korea collaborative project provides the first fully-integrated and operational 5G prototype in 2018, in conjunction with the 2018 PyeongChang Winter Olympic Games.  ...  and end user enhanced experience two years before the launch of large-scale 5G services.  ...  These highly timevarying channel characteristics should be considered in the system design, as follows: Use of large subcarrier spacing: In an orthogonal frequency-division multiplexing (OFDM) system,  ... 
doi:10.4218/etrij.2017-0237 fatcat:zjsq74er2bdqba444ackgat3zq

LTE-Advanced and the evolution to Beyond 4G (B4G) systems

Ian F. Akyildiz, David M. Gutierrez-Estevez, Ravikumar Balakrishnan, Elias Chavarria-Reyes
2014 Physical Communication  
This paper provides a state-of-the-art comprehensive view on the key enabling technologies for LTE-Advanced systems.  ...  However, predictions based on the wireless traffic explosion in recent years indicate a need for more advanced technologies and higher performance.  ...  In the second one, referred to as distributed SON, the SON algorithms are distributedly executed at the Network Element level (NE).  ... 
doi:10.1016/j.phycom.2013.11.009 fatcat:56kildxgq5c6rogh66jiyvbpte

Ubiquitous cell-free Massive MIMO communications

Giovanni Interdonato, Emil Björnson, Hien Quoc Ngo, Pål Frenger, Erik G. Larsson
2019 EURASIP Journal on Wireless Communications and Networking  
Massive MIMO (multiple-input multiple-output) is a key 5G technology that uses massive antenna arrays to provide a very high beamforming gain and spatially multiplexing of users and hence increases the  ...  These features, combined with the system scalability inherent in the Massive MIMO design, distinguish ubiquitous cell-free Massive MIMO from prior coordinated distributed wireless systems.  ...  This key 5G technology leverages aggressive spatial multiplexing. In the uplink (UL), all the users transmit data to the BS in the same time-frequency resources.  ... 
doi:10.1186/s13638-019-1507-0 fatcat:eguwav4tyjdihdldoht3kpa36u

Ubiquitous Cell-Free Massive MIMO Communications [article]

Giovanni Interdonato, Emil Björnson, Hien Quoc Ngo, Pål Frenger, Erik G. Larsson
2019 arXiv   pre-print
Massive MIMO (multiple-input multiple-output) is a key 5G technology that uses massive antenna arrays to provide a very high beamforming gain and spatially multiplexing of users, and hence, increases the  ...  These features, combined with the system scalability inherent in the Massive MIMO design, distinguishes ubiquitous cell-free Massive MIMO from prior coordinated distributed wireless systems.  ...  This key 5G technology leverages aggressive spatial multiplexing. In the uplink, all the users transmit data to the BS in the same timefrequency resources.  ... 
arXiv:1804.03421v3 fatcat:3kfuwv7yl5h2thbugdldkzpg5q

Ubiquitous Cell-Free Massive MIMO Communications

Giovanni Interdonato
2019 Zenodo  
Massive MIMO (multiple-input multiple-output) is a key 5G technology that uses massive antenna arrays to provide a very high beamforming gain and spatially multiplexing of users, and hence, increases the  ...  These features, combined with the system scalability inherent in the Massive MIMO design, distinguishes ubiquitous cell-free Massive MIMO from prior coordinated distributed wireless systems.  ...  This key 5G technology leverages aggressive spatial multiplexing. In the uplink, all the users transmit data to the BS in the same time-frequency resources.  ... 
doi:10.5281/zenodo.2550610 fatcat:xpouzceotjhwfmlpy3dec6j5uq

A Survey on 5G Radio Access Network Energy Efficiency: Massive MIMO, Lean Carrier Design, Sleep Modes, and Machine Learning [article]

David Lopez-Perez, Antonio De Domenico, Nicola Piovesan, Harvey Bao, Geng Xinli, Song Qitao, Merouane Debbah
2021 arXiv   pre-print
Then, as a main contribution, we survey in detail -- from a theoretical and a practical viewpoint -- the main energy efficiency enabling technologies that 3GPP NR provides, together with their main benefits  ...  Special attention is paid to four key enabling technologies, i.e., massive multiple-input multiple-output (MIMO), lean carrier design, and advanced idle modes, together with the role of artificial intelligence  ...  Overall, the proposed scheme achieves large gains with respect to a baseline Q-learning approach, in terms of energy saving and end-users' QoS.  ... 
arXiv:2101.11246v2 fatcat:rm6e5ubwdnf25kvgdufvtd5uam

Enhancements of the 3GPP LTE-Advanced and the Prized Asset: Dynamic TDD Transmissions [article]

Ming Ding, David López-Pérez, Athanasios V. Vasilakos, Wen Chen
2020 arXiv   pre-print
Moreover, considering that network nodes will become very diverse in the future, and thus with heterogeneous network (HetNet) being a key feature of LTE-Advanced networks, we also discuss technologies  ...  In this paper, we perform a survey on new Third Generation Partnership Project (3GPP) Long Term Evolution-Advanced (LTE-Advanced) enhancements,covering the technologies recently adopted by the 3GPP in  ...  Nogami and Imamura Kimihiko from Sharp Telecommunication & Image Technology Laboratories for their helpful discussions, as well as Dr.  ... 
arXiv:2003.08718v3 fatcat:c3cmnanktbh5rhmfotzozl2ile

Implementation of Fog computing for reliable E-health applications

Razvan Craciunescu, Albena Mihovska, Mihail Mihaylov, Sofoklis Kyriazakos, Ramjee Prasad, Simona Halunga
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
The final evaluation is done with computer simulation of a multi-cell system.  ...  One potential application is a nonlinear analogue of linear frequency-division multiplexing that, unlike many other fiber-optic transmission strategies, deals with both dispersion and nonlinearity unconditionally  ...  Untrusted Users MP2-6 3:55 PM Achieving Large Multiplexing Gain in Distributed Antenna Systems via Cooperation with pCell Technology Antonio Forenza, Stephen Perlman, Fadi Saibi, Mario Di Dio, Roger  ... 
doi:10.1109/acssc.2015.7421170 dblp:conf/acssc/CraciunescuMMKP15 fatcat:qm6mki5z6bcvrfimkmqjyrxaxm

Making Cell-Free Massive MIMO Competitive With MMSE Processing and Centralized Implementation [article]

Emil Björnson, Luca Sanguinetti
2019 arXiv   pre-print
The key idea is to let many distributed access points (APs) communicate with all users in the network, possibly by using joint coherent signal processing.  ...  Also, we show that a centralized implementation with optimal MMSE processing not only maximizes the SE but largely reduces the fronthaul signaling compared to the standard distributed approach.  ...  The pCell technology [19] is an example of a centralized cell-free system, which demonstrates that it is practically feasible.  ... 
arXiv:1903.10611v2 fatcat:62vkavmsancb3mcw2taawtlnh4

Ping-pong beam training for reciprocal channels with delay spread

Elisabeth de Carvalho, Jorgen Bach Andersen
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
We consider FDD systems for which implicit feedback via channel reciprocity is not available.  ...  With i.i.d. sub-Gaussian measurement matrices, AMP's performance in the large-system limit is completely characterized by a state evolution whose fixed points are Bayes-optimal performance when they are  ...  Untrusted Users MP2-6 3:55 PM Achieving Large Multiplexing Gain in Distributed Antenna Systems via Cooperation with pCell Technology Antonio Forenza, Stephen Perlman, Fadi Saibi, Mario Di Dio, Roger  ... 
doi:10.1109/acssc.2015.7421451 dblp:conf/acssc/CarvalhoA15 fatcat:mqokuvnh3zg45licnfbgxyvxfu

Enabling Technologies for Ultra-Reliable and Low Latency Communications: From PHY and MAC Layer Perspectives

Gordon J. Sutton, Jie Zeng, Ren Ping Liu, Wei Ni, Diep N. Nguyen, Beeshanga A. Jayawickrama, Xiaojing Huang, Mehran Abolhasan, Zhang Zhang, Eryk Dutkiewicz, Tiejun Lv
2019 IEEE Communications Surveys and Tutorials  
Lastly, the paper discusses the potential future research directions and challenges in achieving the URLLC requirements.  ...  This unprecedented level of reliability and latency will yield various new applications such as smart grids, industrial automation and intelligent transport systems.  ...  large number of antennas to guarantee reliability via a spatial diversity gain.  ... 
doi:10.1109/comst.2019.2897800 fatcat:jgaahgi27rev3ieyrisn2yvh5m

Separation Framework: An Enabler for Cooperative and D2D Communication for Future 5G Networks

Hafiz Atta Ul Mustafa, Muhammad Ali Imran, Muhammad Zeeshan Shakir, Ali Imran, Rahim Tafazolli
2016 IEEE Communications Surveys and Tutorials  
More specifically, we analyze how and to what degree various SARC proposals address the four main challenges in network densification namely: energy efficiency, system level capacity maximization, interference  ...  Most importantly, the article provides an extensive outlook of challenges and opportunities that lie at the crossroads of these three mutually entangled emerging technologies.  ...  Using this technology, large antenna array in small form factor can be realized to meet the requirements of the data plane for mm-Wave communication.  ... 
doi:10.1109/comst.2015.2459596 fatcat:nlrsbuqawrdcjgxrjunqcyuez4
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