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Modeling the coexistence of LTE and WiFi heterogeneous networks in dense deployment scenarios

Shweta Sagari, Ivan Seskar, Dipankar Raychaudhuri
2015 2015 IEEE International Conference on Communication Workshop (ICCW)  
• Interference characterization of single Wi-Fi and LTE • Extension of interference model to dense co-channel deployment • Throughput evaluation with exploitation of frequency diversity under three channel  ...  'Back-of-the-envelope computation of throughput distributions in csma wireless networks'.  ... 
doi:10.1109/iccw.2015.7247524 dblp:conf/icc/SagariSR15 fatcat:rmcm5swk4jch5nsvai2prsjpra

Coexistence of LTE and WiFi heterogeneous networks via inter network coordination

Shweta S. Sagari
2014 Proceedings of the 2014 workshop on PhD forum - PhD forum '14  
We aim to model interference between LTE and WiFi networks through experimental evaluation using the ORBIT testbed and the USRP/GNU radio platform.  ...  Fast increases in mobile data demand and inherently limited RF spectrum motivate the use of dynamic spectrum sharing between different radio technologies such as WiFi and LTE, most notably in small cell  ...  Thus, in the near future, dense deployment of LTE and WiFi based small cells may be expected to coexist in shared spectrum.  ... 
doi:10.1145/2611166.2611167 dblp:conf/mobisys/Sagari14 fatcat:fv7jofrxcfhwlmbbqzb5pr562e

LTE-unlicensed: the future of spectrum aggregation for cellular networks

Ran Zhang, Miao Wang, Lin X. Cai, Zhongming Zheng, Xuemin Shen, Liang-Liang Xie
2015 IEEE wireless communications  
throughput in dense deployment scenarios.  ...  interference in dense deployment scenarios.  ... 
doi:10.1109/mwc.2015.7143339 fatcat:yr2qurxlkfbrhegw6u5p6fbuca

Coexistence of Cellular and IEEE 802.11 Technologies in Unlicensed Spectrum Bands -A Survey

Rony Kumer Saha
2021 IEEE Open Journal of the Communications Society  
An extensive study on the coexistence mechanisms, deployment scenarios, as well as standardization efforts for the coexistence between cellular and IEEE 802.11 standards, is carried out.  ...  We then review the operation of cellular technologies, namely Long-Term Evolution Unlicensed (LTE-U), Licensed Assisted Access (LAA), and New Radio Unlicensed (NR-U), worldwide in the unlicensed spectrum  ...  Moreover, in [114] and [115] , a coexistence mechanism between LTE-U and WiFi systems is studied in a dense deployment scenario in view of multiple SCs from different operators.  ... 
doi:10.1109/ojcoms.2021.3106502 fatcat:3z23adopcjh67cynddlpndcln4

Enabling LTE and WiFi Coexisting in 5 GHz for Efficient Spectrum Utilization

Hongyu Sun, Zhiyi Fang, Qun Liu, Zheng Lu, Ting Zhu
2017 Journal of Computer Networks and Communications  
Due to the increasing mobile traffic demands in cellular network, researchers have proposed the coexistence of LTE and WiFi technologies in 5 GHz unlicensed bands.  ...  ,Low Amplitude Stream Injection (LASI) method) to enable the simultaneous transmissions of WiFi and LTE frames in the same channel and recover the data from the conflicts.  ...  Acknowledgments This project is supported by NSF Grants CNS-1503590 and CNS-1539047.  ... 
doi:10.1155/2017/5156164 fatcat:7t3xnf4oq5gejlaybcygepzsyu

Resource Management in LTE-U Systems: Past, Present, and Future

Rui Liu, Qimei Chen, Guanding Yu, Geoffrey Ye Li, Zhi Ding
2019 IEEE Open Journal of Vehicular Technology  
This paper provides a comprehensive overview of the state-of-the-art resource management scenarios in LTE-U systems, including single small cell base station (SBS), multiple SBSs, device-to-device (D2D  ...  The future research issues of resource management in LTE-U for 5G are also outlined.  ...  A comprehensive survey on the coexistence of LTE-U and WiFi with corresponding deployment scenarios is provided in [31] .  ... 
doi:10.1109/ojvt.2019.2949020 fatcat:7alylatym5egjkfi6d4ndue2gq

Guest Editorial: LTE in Unlicensed Spectrum

Guanding Yu, Geoffrey Y. Li, Li-Chun Wang, Amine Maaref, Jemin Lee, David Lopez-Perez
2016 IEEE wireless communications  
., focuses on the performance evaluation of the LBT protocol in an LAA and WiFi coexistence network. Extensive performance evaluation results are given in various network coexistence scenarios.  ...  Related issues of deploying CASLUA in practical heterogeneous LTE networks are discussed in detail in this article. The next three articles investigate various coexistence issues of LAA and WiFi.  ...  ., focuses on the performance evaluation of the LBT protocol in an LAA and WiFi coexistence network. Extensive performance evaluation results are given in various network coexistence scenarios.  ... 
doi:10.1109/mwc.2016.7811830 fatcat:6u5w57xdizf6nnxlnnatntsugu

Towards Harmonious Coexistence in the Unlicensed Spectrum: Rational Cooperation of Operators

Sunghwan Bae, Hongseok Kim
2017 Sensors  
In this article, we investigate the behaviors of multiple LTE operators along with the deployment of WiFi networks in the unlicensed spectrum from both short-and long-term points of view.  ...  5G New Radio (NR) operating in the unlicensed spectrum is accelerating the Fourth Industrial Revolution by supporting Internet of Things (IoT) networks or Industrial IoT deployments.  ...  Author Contributions: Sunghwan Bae contributed to the design of the cooperation cases and prepared the manuscript.  ... 
doi:10.3390/s17102432 pmid:29064434 pmcid:PMC5676699 fatcat:mzwmhlkwwfagpfzkcayvg2yime

UNII-MAC protocol: Design and evaluation for 5G ultra-dense small cell networks operating in 5 GHz unlicensed spectrum

Rida El Chall, Benoit Miscopein, Dimitri Kténas
2018 Computer Communications  
The performance of the UNII-MAC is then evaluated in dense indoor/outdoor deployment scenarios under various parameters and traffic patterns.  ...  The important topic that is currently being investigated is the fair coexistence of LTE and WiFi in the unlicensed band [22, 23] .  ...  Acknowledgments The research leading to these results received funding from the European Commission H2020 program under grant agreement no. 671705 (SPEED-5G project).  ... 
doi:10.1016/j.comcom.2018.04.005 fatcat:qqcrg774mnfk5gyntqbwiaqk6a

A Performance Evaluation of WLAN-Femtocell-LTE beyond the Capacity Crunch. Does Femtocell have to overcome WLAN or can they coexist in HetNets?

K.C. Silva, J.P.L. Araújo, C.R.L. Francês
2016 Journal of Microwaves, Optoelectronics and Electromagnetic Applications  
Flowchart [33] The scenarios of interest were modeled with the aid of Opnet Modeler 17.5 [26] (in which its model implementations are mostly based on LTE release 8).  ...  This means that Heterogeneous Networks can be viewed as an improvement in the major performance enablers of LTE-Advanced.  ... 
doi:10.1590/2179-10742016v15i4747 fatcat:aeskymgr5re35mm6gkhvzwemqi

KQI Performance Evaluation of 3GPP LBT Priorities for Indoor Unlicensed Coexistence Scenarios

Eduardo Baena, Segio Fortes, Raquel Barco
2020 Electronics  
The operation of future 3GPP (Third Generation Partnership Project) mobile network standards deployments in this band implies the coexistence with other technologies such as WiFi, which is widespread.  ...  This paper assesses the end-to-end performance of downlink unlicensed channel priorities in dense scenarios via implementing a novel simulation setup in terms of both multi-service performance and coexistence  ...  However, the problem of heterogeneity of coexisting systems is identified, while the proposed scenario is far from dense.  ... 
doi:10.3390/electronics9101701 fatcat:5xkvqmjj3zbb5faxk7fy2e6i6e

Performance evaluation of mobile hotspots in densely deployed WLAN environments

Shweta Sagari, Akash Baid, Ivan Seskar, Tutomu Murase, Masato Oguchi, Dipankar Raychaudhuri
2013 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)  
An analytical model for coexisting fixed and mobile WLAN hotspots with heterogeneous traffic is presented.  ...  A dense deployment scenario for fixed and mobile WLAN is described and potential performance problems due to interference are identified.  ...  This leads to a heterogeneous network with a mix of saturated and unsaturated nodes when mobile and fixed APs coexist in a region [14] , [15] . Malone et al.  ... 
doi:10.1109/pimrc.2013.6666649 dblp:conf/pimrc/SagariBSMOR13 fatcat:br6kxuysanenbdwcqehjbjnvxu

ORLA/OLAA: Orthogonal Coexistence of LAA and WiFi in Unlicensed Spectrum

Andres Garcia-Saavedra, Paul Patras, Victor Valls, Xavier Costa-Perez, Douglas J. Leith
2018 IEEE/ACM Transactions on Networking  
We further show that long U-LTE frames incur up to 92% throughput losses on WiFi when using 3GPP LAA, whilst ORLA/OLAA sustain >200% gains at no cost, even in the presence of non-saturated WiFi and/or  ...  The 3 rd Generation Partnership Project (3GPP) has recently defined a License Assisted Access (LAA) scheme to enable global Unlicensed LTE (U-LTE) deployment, aiming at (i) ensuring fair coexistence with  ...  i in random MAC slot can be related to the 7 Our analysis equally applies to dense deployments with predominantly downlink traffic and to future networks where the uplink traffic is significant due to  ... 
doi:10.1109/tnet.2018.2876590 fatcat:ll5yac6vy5edlhv6wd5fk5xls4

MAC Design for 5G Dense Networks Based on FBMC Modulation [chapter]

Rida El Chall, Benoit Miscopein, Dimitri Kténas
2018 Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering  
The performance of the proposed FBMC-MAC design is then evaluated in dense deployment scenarios under different PHY/MAC parameter settings.  ...  Moreover, we study the performance of FBMC-MAC systems in the context of coexistence with WiFi systems.  ...  Acknowledgments The research leading to these results received funding from the European Commission H2020 program under grant agreement n671705 (SPEED-5G project).  ... 
doi:10.1007/978-3-319-76207-4_26 fatcat:poqlbqpmt5d5xpov2jybfrzepi

On the Limits of Coexisting Coverage and Capacity in Multi-RAT Heterogeneous Networks

Chun-Hung Liu, Hong-Cheng Tsai
2017 IEEE Transactions on Wireless Communications  
In [16]-[19], stochastic geometry is applied to analyze the coexistence performance of large-scale LTE and WiFi networks, but the network models in these works are too simple to completely characterize  ...  Finally, numerical simulations for the LTE-U and WiFi networks coexisting in the HetNet validate our findings. A.  ...  NUMERICAL SIMULATION FOR COEXISTING LTE-U AND WIFI NETWORKS In this section, we apply our previous modeling and analysis framework to the scenario in macro BSs do not access the channel in the unlicensed  ... 
doi:10.1109/twc.2017.2675399 fatcat:tkgo3jw3i5cddh3a7blphlavkm
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