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Silence is gold: Strategic small cell interference management using tokens

Cong Shen, Jie Xu, Mihaela van der Schaar
2014 2014 IEEE Global Communications Conference  
In this work, we propose a novel token framework in a distributed small cell network and design the token system for improved interference mitigation.  ...  when the deployment density is high.  ...  This is also a reasonable approximation, particularly in the hyper-dense small cell deployment model where each small cell's coverage area is very limited.  ... 
doi:10.1109/glocom.2014.7037493 dblp:conf/globecom/ShenXS14 fatcat:3iue5z4drbhlrlkc5ne775yxpq

Context-aware Group Buying in Ultra-dense Small Cell Networks: Unity is Strength [article]

Yuli Zhang, Yuhua Xu, Alagan Anpalagan, Qihui Wu, Yitao Xu, Youming Sun, Shuo Feng, Yunpeng Luo
2018 arXiv   pre-print
The ultra-dense small cell networks (SCNs) have been regarded as a promising technology to solve the data traffic explosion in future.  ...  However, the complicated relationships among large scale users and cells practically demand a cooperative grouping mechanism to account for the shortage of resources in SCNs.  ...  that make group buying employed in ultra-dense small cell networks possible and effective: • The hyper-dense deployment provides a probability that we can seek the consistency of users' demands from the  ... 
arXiv:1807.08426v1 fatcat:r7g5llormzfddpuvckh5wo23ri

Performance Evaluation of Content Caching in CoMP enabled-Small Cell Networks

Junseop Ahn
2017 Journal of Advances in Computer Networks  
In particular, we can infer that the content popularity distribution and cache size are influential factors for increasing hit ratio of caching in CoMP enabled small cell networks and SBS density and content  ...  We analyze the effect of hit ratio assisted by CoMP according to cache size, content popularity distribution, and small cell base station (SBS) density.  ...  Small Cell Cooperation In the system, we consider the small cell cooperation.  ... 
doi:10.18178/jacn.2017.5.2.239 fatcat:ditglsvcknfd3pxjt3n5ovcgfe

Hierarchical Resource Allocation Framework for Hyper-Dense Small Cell Networks

Junfei Qiu, Guoru Ding, Qihui Wu, Zuping Qian, Theodoros A. Tsiftsis, Zhiyong Du, Youming Sun
2016 IEEE Access  
INDEX TERMS Hyper-dense networks, small cells, hierarchical resource allocation, clustering.  ...  This paper considers joint power control and subchannel allocation for co-tier interference mitigation in extremely dense small cell networks, which is formulated as a combinatorial optimization problem  ...  ACKNOWLEDGMENT This paper was presented at the International Conference on Information Technology and Management Innovation 2015, Shenzhen, China.  ... 
doi:10.1109/access.2016.2633434 fatcat:sqvotduegjabfj5k3ppecf5yyi

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  
of heterogeneity and cell density.  ...  Soaring capacity and coverage demands dictate that future cellular networks need to soon migrate towards ultra-dense networks.  ...  We would also like to acknowledge the support of the University of Surrey 5GIC (http://www.surrey.ac.uk/5gic) members for this work.  ... 
doi:10.1109/comst.2015.2459596 fatcat:nlrsbuqawrdcjgxrjunqcyuez4

A Brief Overview of 5G Research Activities

Pekka Pirinen
2014 Proceedings of the 1st International Conference on 5G for Ubiquitous Connectivity  
for diverse use cases.  ...  Thus, the most demanding part in 5G development will be the design of flexible enough system concept platform that allows successful integration and management of various distinct technologies optimized  ...  ACKNOWLEDGMENT The author would like to thank the Finnish Funding Agency for Technology and Innovation (Tekes), Nokia, Huawei, Broadcom and Elektrobit for 5Gto10G project funding enabling this work.  ... 
doi:10.4108/icst.5gu.2014.258061 dblp:conf/5gu/Pirinen14 fatcat:lvoadtdmjfakbo5xnbuey723qa

A Hierarchical Clustering Algorithm for Interference Management in Ultra-dense Small Cell Networks

Guang Yang, Amir Esmailpour, Nidal Nasser, Geng Chen, Qingyi Liu, Peirui Bai
2020 IEEE Access  
In this paper, the cooperative interference management problem for a UD-SCN is explored by allowing small cell base stations (SBSs) to collaborate with their neighbors.  ...  INDEX TERMS Coalitional structure generation, hierarchical clustering, interference management, ultra-dense small cell networks.  ...  Notably, our SC-HCA is particularly appropriate for hyper and dense deployment networks of SBSs.  ... 
doi:10.1109/access.2020.2989502 fatcat:mv3vzxxnl5gp3pobi2lxkgmlq4

Review Of The Pilot Contamination Problem For Massive Mimo And Possible Solution

Atul Kumar Mishra*, Prof. Saurabh Gaur
2016 Zenodo  
The use of MIMO for wireless data transmission has proven itself for enhancing the capacity of data transmission. The mobile network based on the cell structure also uses the MIMO techniques.  ...  One of the biggest challenges for massive MIMO is the pilot contamination. In this paper, Massive MIMO along with the pilot contamination is described.  ...  heterogeneous cellular network where a microcell tier with a large antenna array base station is overlaid with a dense tier of small cells.  ... 
doi:10.5281/zenodo.57041 fatcat:cbmvgaoa4vd2bpxebhcrxe6r3e

Why to Decouple the Uplink and Downlink in Cellular Networks and How To Do It [article]

Federico Boccardi, Jeffrey Andrews, Hisham Elshaer, Mischa Dohler, Stefan Parkvall, Petar Popovski, Sarabjot Singh
2015 arXiv   pre-print
Ever since the inception of mobile telephony, the downlink and uplink of cellular networks have been coupled, i.e. mobile terminals have been constrained to associate with the same base station (BS) in  ...  both the downlink and uplink directions.  ...  The BS types and locations are based on Vodafone's small cell test network in the London area and consist of five macro cells covering a one kilometer square area with a dense small cell deployment embedded  ... 
arXiv:1503.06746v1 fatcat:cs4pbo5olbd3rfcmhv6ab2un54

Fairness guaranteed novel eICIC technology for capacity enhancement in multi-tier heterogeneous cellular networks

Qixun Zhang, Tuo Yang, Yue Zhang, Zhiyong Feng
2015 EURASIP Journal on Wireless Communications and Networking  
As one of the promising solutions for capacity enhancement, densely deployed small cells are proposed to provide a huge capacity gain and improve the user experience with high data rate services.  ...  Optimal CRE bias and almost blank subframe (ABS) ratio solutions are achieved in this paper by considering the fairness among users at the center and cell edge.  ...  In [8] , some cooperative distributed radio resource management algorithms for time synchronization, carrier selection, and power control were discussed for hyper-dense small cell deployment.  ... 
doi:10.1186/s13638-015-0300-y fatcat:cjkypyup7fezpkwezsmwptnqie

RadioWeaves for efficient connectivity: analysis andimpact of constraints in actual deployments [article]

Liesbet Van der Perre, Erik G. Larsson, Fredrik Tufvesson, Lieven De Strycker, Emil Björnson, Ove Edfors
2020 arXiv   pre-print
The technology leverages on the ideas of large-scale intelligent surfaces and cell-free wireless access.  ...  Technologically, RadioWeaves will deploy distributed arrays to create both favorable propagation and antenna array interaction.  ...  ACKNOWLEDGMENT The authors thank Sofie Pollin from KU Leuven and Klaus Witrisal from TU Graz for contributing to the RadioWeaves concept, Dimitri Coppens, Geoffrey Ottoy, Jarne Van Mulders, and Gilles  ... 
arXiv:2001.05779v1 fatcat:f6iifg45krfc7nhbge3rveqhpi

A Survey on Recent Trends and Open Issues in Energy Efficiency of 5G

Muhammad Usama, Melike Erol-Kantarci
2019 Sensors  
The deployment of small cells has been envisioned as a promising answer for handling the massive heterogeneous traffic, but the adverse economic and environmental impacts cannot be neglected.  ...  Various avenues of optimization, game theory and machine learning have been investigated for enhancing power allocation for downlink and uplink channels, as well as other energy consumption/saving approaches  ...  [35] Content caching in small cells with optimized UL and caching power [36] An effective cooperative caching scheme for mobile P2P networks [37] EE analysis of heterogeneous cache enabled 5G hyper  ... 
doi:10.3390/s19143126 fatcat:4vo6bolowbdcxpl22mgzymz5ju

Fundamental Green Tradeoffs: Progresses, Challenges, and Impacts on 5G Networks

Shunqing Zhang, Qingqing Wu, Shugong Xu, Geoffrey Ye Li
2017 IEEE Communications Surveys and Tutorials  
With years of tremendous traffic and energy consumption growth, green radio has been valued not only for theoretical research interests but also for the operational expenditure reduction and the sustainable  ...  Fundamental green tradeoffs, served as an important framework for analysis, include four basic relationships: spectrum efficiency (SE) versus energy efficiency (EE), deployment efficiency (DE) versus energy  ...  tradeoffs easier. 1) Theoretical Achievements: By the ultra dense deployment assumption of small cells, users in each small cell will experience a flat SINR environment and the ergodic capacity formula  ... 
doi:10.1109/comst.2016.2594120 fatcat:czoeg5idyzegdkv7d7xzdoxw2u

Combination of Ultra-Dense Networks and other 5G Enabling Technologies: A Survey

Mary A. Adedoyin, Olabisi E. Falowo
2020 IEEE Access  
INDEX TERMS Macrocells, small cells, ultra-dense networks, QoS.  ...  However, the ultradense deployment of small cells in the coverage area of conventional macrocells known as UDNs introduces new technical challenges such as severe interference, unfairness in radio resource  ...  For practical deployment of ultra-dense small cells, the challenge of RRA optimality among the different network tiers (i.e., among macrocells and small cells) depends on the network topology, which may  ... 
doi:10.1109/access.2020.2969980 fatcat:dpyo5xyrgjgvhcsfhilepbmuo4

Caching UAV Assisted Secure Transmission in Hyper-Dense Networks Based on Interference Alignment

Nan Zhao, Fen Cheng, F. Richard Yu, Jie Tang, Yunfei Chen, Guan Gui, Hikmet Sari
2018 IEEE Transactions on Communications  
2018) Caching UAV assisted secure transmission in hyper-dense networks based on interference alignment. IEEE Transactions on Communication. Permanent WRAP URL:  ...  ACKNOWLEDGMENT We thank the editor and reviewers for their detailed reviews and constructive comments, which have greatly improved the quality of this paper.  ...  In our future work, we will focus on the optimal wireless coverage of UAVs for the small-cell network. Fig. 1 . 1 UAV assisted secure transmission in hyper-dense networks via caching.  ... 
doi:10.1109/tcomm.2018.2792014 fatcat:7gkjc2i7c5gkfnovqn44shp6ru
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