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Frequency planning for clustered jointly processed cellular multiple access channel
2013
IET Communications
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Authors present a novel 'QoS balancing scheme' to maximize sum rate as well as achieve cell based fairness for clustered jointly processed cellular Multiple Access Channel (CC-CMAC). ...
Although global cooperation of Access Points (APs) is considered promising, practical means of enhancing efficiency of cellular systems is by considering distributed or clustered jointly processed APs. ...
Here we refer to such systems as cluster cooperative cellular multiple access channels or (CC-CMAC) [11] . ...
doi:10.1049/iet-com.2012.0513
fatcat:kxaoejf3xfgtbhzywkvdqk5lfu
Energy-aware clustering for multi-cell joint transmission in LTE networks
2013
2013 IEEE International Conference on Communications Workshops (ICC)
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The focus of this work is on static clustering deployments for LTE systems when joint signal precoding is employed at multiple base stations. ...
This paper investigates the energy-aware clustering of cooperating base stations in the downlink of cellular networks. ...
After the Orthogonal Frequency-Division Multiple Access (OFDMA) processing (including raw data encoding, modulation, mapping and Inverse Fast Fourier Transform (IFFT)), each M-eNB distributes frequency ...
doi:10.1109/iccw.2013.6649270
dblp:conf/icc/KatranarasID13
fatcat:j2vvcggpmfcblpoxews43m5kxy
Throughput Maximization for Multiple D2D Group Communications Underlaying Cellular Networks
2020
Wireless Communications and Mobile Computing
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In this paper, we establish a clustering model centered on cellular users and propose a resource allocation algorithm based on a D2D clustering model. ...
In the scenario where multiple device-to-device (D2D) users and cellular users coexist, the large number of D2D users not only results in the shortage of spectrum resources but also brings interference ...
Wireless Communications and Mobile Computing At this point, the clustering process centered on the first cellular user is over.
Access Control. ...
doi:10.1155/2020/8833579
fatcat:z4hqfhi6yze7bhpg67zcaytxva
A Comprehensive Study on Simulation Techniques for 5G Networks: State of the Art Results, Analysis, and Future Challenges
2020
Electronics
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access (NOMA). ...
For example, potential solutions for 5G interfaces include, among others, millimeter Wave (mmWave) transmission, massive multiple input multiple output (MIMO) architectures and non-orthogonal multiple ...
Figure 2 . 2 MIMO (multiple input multiple output) cluster channel modeling for wireless cellular networks.
Figure 3 . 3 Channel modeling for wireless 5G cellular networks. ...
doi:10.3390/electronics9030468
fatcat:tviwec3vybdavfwc36hbhb2tsi
Physical layer split for user selective uplink joint reception in SDN enabled cloud-RAN
2016
2016 Australian Communications Theory Workshop (AusCTW)
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To meet quality of service requirements on the uplink of future cellular networks, we need to exploit intercell interference among users eligible for cooperation. ...
In practice, the joint detection for selected few co-channel users would simplify the required multiuser channel estimation while improving overall performance and cell-edge users' quality-of-service ( ...
Hoydis for precious comments and Y. El Mghazali for discussions and ideas about future networks. ...
doi:10.1109/ausctw.2016.7433654
dblp:conf/ausctw/BovizACR16
fatcat:6i4gz7w4qng7rj422jbkxayg2e
Multi-Agent Reinforcement Learning in NOMA-aided UAV Networks for Cellular Offloading
[article]
2020
arXiv
pre-print
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A novel framework is proposed for cellular offloading with the aid of multiple unmanned aerial vehicles (UAVs), while the non-orthogonal multiple access (NOMA) technique is employed at each UAV to further ...
In an effort to solve this pertinent dynamic problem, a K-means based clustering algorithm is first adopted for periodically partitioning users. ...
State abstraction makes it possible for multiple agents to jointly train an NN. ...
arXiv:2010.09094v1
fatcat:fsa34yewfzbbhpgbubtarg7ofm
Cooperative communication technologies for LTE-advanced
2010
2010 IEEE International Conference on Acoustics, Speech and Signal Processing
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The LTE-Advanced (LTE-A) system is currently under development to allow for significantly higher spectral efficiency and data throughput than LTE systems. ...
In a wireless system based on orthogonal frequency division multiplexing (OFDM) with frequency reuse factor one such as LTE, the achievable cell spectral efficiency is often limited by the inter-cell interference ...
For example, in CoMP joint processing, the data together with channel related information for different mobile users needs to be exchanged among the cells within CoMP cluster. ...
doi:10.1109/icassp.2010.5495250
dblp:conf/icassp/NamLWZCH10
fatcat:mvoxzcjhkbeqxeoy2fhwlvmihe
2018 IndexIEEE Wireless Communications LettersVol. 7
2018
IEEE Wireless Communications Letters
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Cho, S., +, LWC Oct. 2018
768-771
Frequency division multiple access
Channel Access Method Classification for Cognitive Radio Applications. ...
Ding, Z., +, LWC Oct. 2018 692-695 Code division multiple access Channel Access Method Classification for Cognitive Radio Applications. ...
doi:10.1109/lwc.2018.2888676
fatcat:olfvetmkt5bt3c572e5y76b5pm
On Performance Analysis of Single Frequency Network With C-RAN
2019
IEEE Access
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One of the technical enablers of a C-RAN solution is single frequency network (SFN) that curbs the interference and allows MNOs to transmit over single frequency across coordinated cells. ...
Centralized-RAN (C-RAN) is an architectural trend that uses resource sharing and a set of interference mitigation techniques to reduce capital and operational expenditures for mobile network operators ...
For UL, one or multiple RRUs are selected by SFN cell to receive signals jointly or independently from single UE on UL physical channels. ...
doi:10.1109/access.2018.2887005
fatcat:mzsps76j5ba27itvs3v2csb5ku
3-Cell Network MIMO Architectures with Sectorization and Fractional Frequency Reuse
2011
IEEE Journal on Selected Areas in Communications
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the complex multibase-station joint processing for a huge number of cluster of cells at all locations. ...
In this paper, we present a 3-cell network multipleinput multiple-output (MIMO) architecture with fractional frequency frequency (FFR) and a novel tri-sector frequency partition scheme. ...
Because the inter-cell interference problem in the orthogonal frequency division multiple access (OFDMA) multi-cellular systems is more serious than that in the CDMA systems, FFR once again becomes an ...
doi:10.1109/jsac.2011.110607
fatcat:yz6aoizrdje5pmy5jtak4vbefa
Efficient HetNet implementation using broadband wireless access with fiber-connected massively distributed antennas architecture
2011
IEEE wireless communications
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For instance, exploiting static frequency planning alleviates the need for interference management, whereas dynamic channel assignment in a UFR scheme mandates signaling overhead so as to coordinate the ...
cellular and broadband wireless access technologies. ...
doi:10.1109/mwc.2011.5876503
fatcat:gm4xxkkldjfgzodcaibpxb5nei
Dynamic Fractional Frequency Reuse Diversity Design for Intercell Interference Mitigation in Nonorthogonal Multiple Access Multicellular Networks
2018
Wireless Communications and Mobile Computing
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Nonorthogonal multiple access (NOMA) is one of the few promising techniques that can ensure the achievement of benefits foreseen in next-generation 5G wireless networks and beyond. ...
By using superposition coding, NOMA allows multiple users to share the same time and frequency resources, thereby enhancing user connectivity, spectral efficiency, and a considerable increase in user throughput ...
Orthogonal multiple access (OMA) has been used widely in current and previous generations of wireless cellular networks for user access. ...
doi:10.1155/2018/1231047
fatcat:djyt3gpyqbepxj4zcchqgzesou
Interference Mitigation Framework for Cellular Mobile Radio Networks
2013
International Journal of Antennas and Propagation
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For today's cellular mobile communication networks, the needed capacity is hard to realize without much more of (expensive) bandwidth. Thus new standards like LTE were developed. ...
This paper presents an interference mitigation framework to overcome the hardest issue, that is, the low penetration rate of mobile stations that can be served from a cluster composed of their strongest ...
NLOS: Non line of sight OFDMA: Orthogonal frequency division multiple access pAE: Physical antenna element PCR: Partial channel reporting PRB: Physical resource block PNL: Precoding normalization loss ...
doi:10.1155/2013/645929
fatcat:zgbem4oetbaulbwtwrsz2iiwfi
5G Technology : A Survey of Architecture and Emerging Technologies
2016
International Journal of Scientific Research in Science and Technology
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association, full duplex radios, milli-meter wave solutions for 5G cellular networks, and cloud technologies for 5G radio access networks and software defined networks. ...
In this detailed survey, the prime focus is on the 5G cellular network architecture, massive multiple input multiple output technology, and device-to-device communication (D2D). ...
Sharing of the wireless cellular infrastructure among multiple parties can be applied for both wireless access and core networks. ...
doi:10.32628/ijsrst21830
fatcat:pyxfobtjhzdidp3hpf7kki77am
MIMO-OFDM Wireless Channel Prediction by Exploiting Spatial-Temporal Correlation
2014
IEEE Transactions on Wireless Communications
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We also derive two predictors which select data for auto-regressive (AR) predictors in various ways based on the proposed MIMO-OFDM channel prediction framework. ...
We propose a general MIMO-OFDM channel prediction framework, which exploits both the spatial and temporal correlations. ...
Frequency Division Multiple Access (OFDMA) modulation, where the problems created by a multi-path channel are handled efficiently. ...
doi:10.1109/twc.2013.112613.130455
fatcat:b5zdygnilncmzpnxnrppldxcdi
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