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Sustainable Green Networking: Exploiting Degrees of Freedom towards Energy-Efficient 5G Systems [article]

Miao Yao, Munawwar Sohul, Xiaofu Ma, Vuk Marojevic, Jeffrey H. Reed
2017 arXiv   pre-print
We discuss the impact of ongoing trends in cellular communications on sustainable green networking and analyze two communications architectures that allow exploiting the extra degrees-of-freedom (DoF)  ...  For small cell systems with a moderate number of antennas, we propose a peak to average power ratio-aware resource allocation scheme for joint orthogonal frequency and space division multiple access.  ...  Numerical results highlight the vast potential for PAPR-aware green networking by utilizing the extra DoF in future multiple antenna communications systems.  ... 
arXiv:1711.00442v1 fatcat:ga5ijnu2zfhufanveuidge6tum

Energy-efficient wireless communications: tutorial, survey, and open issues

Geoffrey Li, Zhikun Xu, Cong Xiong, Chenyang Yang, Shunqing Zhang, Yan Chen, Shugong Xu
2011 IEEE wireless communications  
information-theoretic analysis, orthogonal frequency division multiple access (OFDMA) networks, multiple-input multiple-output (MIMO) techniques, relay transmission, and resource allocation for signaling  ...  With explosive growth of high-data-rate applications, more and more energy is consumed in wireless networks to guarantee quality-of-service (QoS).  ...  Adaptively changing the number of active antennas at BS is proposed for 3GPP LTE to address the large traffic variation issue in cellular networks [21] .  ... 
doi:10.1109/mwc.2011.6108331 fatcat:2j77jyohc5e6bd7jcpyxwr56re

Cell grouping and autonomous channel assignment for cooperative multi-cell MIMO systems

Li-Chun Wang, Chu-Jung Yeh
2009 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications  
In this paper, we propose a three-cell network multiple-input multiple-output (MIMO) scheme to mitigate the inter-cell interference in an orthogonal frequency division multiple access (OFDMA) system with  ...  significantly compared to the 19-cell coordination network MIMO without FFR and tri-sector cellular architecture.  ...  Introduction Orthogonal frequency division multiple access (OFDMA) is considered to be a promising multiple access technique for future broadband wireless communications and is adopted by the standards  ... 
doi:10.1109/pimrc.2009.5450230 dblp:conf/pimrc/WangY09 fatcat:xou3vve2xvfv3fduzo7hskmoei

NOVEL ENERGY-SAVING TRANSMISSIONS IN OFDMA-BASED MULTICARRIER BASE STATIONS BY RADIO RESOURCE MANAGEMENT

Yhareen Tej, Nnikhil Raidu, Ravi KumarCV
2017 International Journal of Advanced Research  
in varied energy-saving styles for cellular systems.  ...  OFDMA 3. RB 4. Sub channel assignment.  ...  ( B) Green Wireless Communication:-Green wireless communication technology is working on efficient energy utilization of future communication networks.  ... 
doi:10.21474/ijar01/4054 fatcat:5sv5g5o64jf4ndobuwe7ugmmuu

MIMO-OFDM Wireless Channel Prediction by Exploiting Spatial-Temporal Correlation

Lihong Liu, Hui Feng, Tao Yang, Bo Hu
2014 IEEE Transactions on Wireless Communications  
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.  ...  Consider the downlink transmission in a single-cell cellular network.  ...  And multiuser-MIMO (MU-MIMO) refers to a configuration that comprises a base station with multiple transmit/receive antennas interacting with multiple users, each with one or more antennas.  ... 
doi:10.1109/twc.2013.112613.130455 fatcat:b5zdygnilncmzpnxnrppldxcdi

Energy Efficiency Comparison between Co-located and Distributed Antenna Systems with D2D Communication

Xing-Quan Li, Chun-Long He, Ce Zhang, Zi-Hao Li, Hui Yang
2017 ITM Web of Conferences  
In this paper, we consider a cellular network with single UE and one D2D pair underlaying communications with base station antennas, which are located in different distributions, i.e., colocated antenna  ...  We use the orthogonal frequency division multiple access (OFDMA) scheme [16] to study the effectiveness of the cellular energy efficiency by adding D2D communication into these two different models.  ...  Orthogonal frequency division multiple access (OFDMA) is the access scheme for the downlink of the systems, i.e. the links between BS antennas and UEs use orthogonal channel to communicate with each other  ... 
doi:10.1051/itmconf/20171103003 fatcat:5mgzc6bszngfxmtpi23whndcx4

Review of Key Technologies of 5G Wireless Communication System

Sha Shi, Wujun Yang, Jirong Zhang, Zhixian Chang, J.Y. Li, T.Y. Liu, T. Deng, M. Tian
2015 MATEC Web of Conferences  
In the field of wireless technologies, massive multiple-input multiple-output (MIMO), ultra-wideband spectral, ultra-dense heterogeneous networks, have already become the focus of global industry.  ...  Additionally, there are some other potential technologies for 5G, such as NOMA, FBMC, mm Waves, and Multi-carrier technology aggregation.  ...  Of course, as the green one is closer to the 4G cellular, we can connect directly to it.  ... 
doi:10.1051/matecconf/20152201005 fatcat:hhbmz7qotbannktry5iktjgusq

Channelization Issues with Fairness Considerations for MU-MIMO Precoding Based UTRA-LTE/TDD Systems

Muhammad Imadur Rahman, Yuanye Wang, Suvra Sekhar Das, Troels B. Sorensen, P. E. Mogensen
2008 2008 IEEE 68th Vehicular Technology Conference  
Access (OFDMA) and Space Division Multiple Access (SDMA), or by combining them.  ...  User grouping issue is dealt with when SDMA component is considered in the system.  ...  Combined OFDMA and SDMA with Single and Multiple-antenna UEs TABLE I SIMULATION I PARAMETERS FOR UTRA-LTE LIKE SYSTEMS Parameter Assumption Cellular layout Hexagonal grid, 19 cells, 1 sector per  ... 
doi:10.1109/vetecf.2008.112 dblp:conf/vtc/RahmanWDSM08 fatcat:uclyxeeobjh33o2tutorypf3hu

Improving of energy efficiency in base station and QoS to user in MIMO-OFDM systems with multiuser rate constraints

K. S. Sreekanth, V. P. Kavitha
2016 2016 International Conference on Communication and Signal Processing (ICCSP)  
For applying in LTE systems Both Multiple-In Multiple-Out (MIMO), Orthogonal Frequency Division Multiple Access (OFDMA) Radio access network are considered in this work.  ...  In today's world energy efficiency in wireless communication becomes an important topic and also to make eco-friendly environment we need green communication in Telecommunication industry.  ...  To do this high amount of energy is used hence 3GPP has integrated Green communication in LTE standards [5] .  ... 
doi:10.1109/iccsp.2016.7754097 fatcat:ryu3bcmmfrbhlm5lcc266ma65i

Multicell cooperation [Guest Editorial]

Ekram Hossain, Zander Lei
2013 IEEE wireless communications  
The sixth article, "Multicell Cooperative Systems with Multiple Receive Antennas" by Hwang et al., emphasizes the importance of using multiple receive antennas in a multicell cooperative system.  ...  Cooperation among multiple transmit antennas has been shown to be an effective interference management tool for communications over interference channels.  ... 
doi:10.1109/mwc.2013.6472193 fatcat:wdvbkbyukballobayjxorgf754

LTE-Advanced technical aspects and standards

Arra Ashok, Mantha Anil Srimanth, J. Ravibabu
2014 IOSR Journal of Electronics and Communication Engineering  
The performance of radio communications depends on an antenna system.  ...  The overall objective for LTE is to provide an extremely high performance radio-access technology that offers full vehicular speed mobility and that can readily coexist with HSPA and earlier networks.  ...  of service) of cellular networks.  ... 
doi:10.9790/2834-09285663 fatcat:cli5ljixfrfhvoosnm5sleo7si

4G and beyond in Australia: Technologies and opportunities in the NBN era

Lin Luo, Linda Davis, Alex Grant
2012 Telecommunications Journal of Australia  
c) Advanced Multi-Antenna Transmission Use of multiple antennas at the transmitter, receiver, or both in combination with advanced signal processing can significantly improve spectral efficiency, data  ...  ENHANCED MULTIPLE ACCESS SCHEMES a) Downlink: OFDMA with Component Carrier (CC) Orthogonal Frequency Division Multiplexing (OFDM) (Holma and Toskala 2009) is a multicarrier modulation technique with  ... 
doi:10.7790/tja.v62i1.274 fatcat:mpixgwnh35clphaun7klhjs36e

Resource Allocation for SWIPT in Multi-Service Wireless Networks [article]

Jalal Jalali
2020 arXiv   pre-print
access (OFDMA) network.  ...  multi-cell multi-user OFDMA network.  ...  networks, and multiple antenna communication in SWIPT systems.  ... 
arXiv:2007.13676v1 fatcat:awslbkw5yrhk3ah2fuby3v5tj4

Optimizing radio resources for heterogeneous QoS-aware OFDMA networks using semi-smart antennas

Aini Li, Yue Liu, Laurie Cuthbert, Yue Gao, Yapeng Wang
2014 2014 IEEE International Conference on Communication Systems  
INTRODUCTION Orthogonal Frequency Division Multiple Access (OFDMA) has been recognised as one of the most viable technologies for future high-speed wireless networks.  ...  The green lines are the qualified user ratios with GA optimizing for all users.  ... 
doi:10.1109/iccs.2014.7024776 dblp:conf/iccoms/LiLCGW14 fatcat:iby5e5ncj5dtxbmug2han52jd4

Scalable THz Network-On-Chip Architecture for Multichip Systems

Esmaeel Tahanian, Alireza Tajary, Mohsen Rezvani, Mansoor Fateh, G. Suseendran
2020 Journal of Computer Networks and Communications  
Each chip has a wireless node as a gateway for communicating with other chips.  ...  While THz wireless network-on-chip (WiNoC) introduces considerably high bandwidth, due to the high path loss, it cannot be used for communication between far apart nodes, especially in a multichip architecture  ...  1340 25 is work 16 Small world OFDMA 1638 79 14 Journal of Computer Networks and Communications Journal of Computer Networks and Communications  ... 
doi:10.1155/2020/8823938 fatcat:3tqwtfomdreozbrsignmjusjrq
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