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Power and Subcarrier Allocation for Physical-Layer Security in OFDMA Networks

Xiaowei Wang, Meixia Tao, Jianhua Mo, Youyun Xu
2011 2011 IEEE International Conference on Communications (ICC)  
Providing physical-layer security for mobile users in future broadband wireless networks is of both theoretical and practical importance.  ...  In this paper, we formulate an analytical framework for resource allocation in a downlink OFDMA-based broadband network with coexistence of secure users (SU) and normal users (NU).  ...  In this paper, we aim to provide physical-layer security for mobile users in future broadband wireless networks and formulate an analytical strategy for resource allocation to achieve this goal.  ... 
doi:10.1109/icc.2011.5963493 dblp:conf/icc/WangTMX11 fatcat:vjuvco7pqvcxdhssu7jfhyi2be

Power and Subcarrier Allocation for Physical-Layer Security in OFDMA-Based Broadband Wireless Networks

Xiaowei Wang, Meixia Tao, Jianhua Mo, Youyun Xu
2011 IEEE Transactions on Information Forensics and Security  
Providing physical-layer security for mobile users in future broadband wireless networks is of both theoretical and practical importance.  ...  In this paper, we formulate an analytical framework for resource allocation in a downlink OFDMA-based broadband network with coexistence of secure users (SU) and normal users (NU).  ...  In this study, we aim to provide physical-layer security for mobile users in future broadband wireless networks and formulate an analytical strategy for resource allocation to achieve this goal.  ... 
doi:10.1109/tifs.2011.2159206 fatcat:erodz5r7fjejrjinzqep2diphm

Joint subcarrier and power allocation for physical layer security in cooperative OFDMA networks

An Wang, Jin Chen, Yueming Cai, Chunxiao Cai, Wendong Yang, Yunpeng Cheng
2013 EURASIP Journal on Wireless Communications and Networking  
In this paper, a joint subcarrier and power allocation algorithm is proposed to improve the physical layer security in cooperative orthogonal frequency division multiple access (OFDMA) networks, where  ...  To optimize the joint subcarrier and power allocation with low complexity, we divide the optimization problem into two simpler subproblems.  ...  Conclusion In this paper, we develop a joint subcarrier and power allocation algorithm to improve physical layer security in cooperative OFDMA networks.  ... 
doi:10.1186/1687-1499-2013-193 fatcat:vopja7vjbrfural2zpatmpeeca

Energy Harvesting for Secure OFDMA Systems [article]

Meng Zhang, Yuan Liu, Suili Feng
2014 arXiv   pre-print
Energy harvesting and physical-layer security in wireless networks are of great significance.  ...  In this paper, we study the simultaneous wireless information and power transfer (SWIPT) in downlink orthogonal frequency-division multiple access (OFDMA) systems, where each user applies power splitting  ...  A great deal of studies have been devoted to informationtheoretic physical-layer security [1] - [5] , In [1] , [2] , resource allocation for physical-layer security considerations was studied for multicarrier  ... 
arXiv:1409.3635v1 fatcat:6mpwtomltvan5ezednxo4red54

Energy Harvesting for Physical-Layer Security in OFDMA Networks [article]

Meng Zhang, Yuan Liu
2015 arXiv   pre-print
The first one is an iterative algorithm that optimizes subcarrier allocation and power splitting in an alternating way.  ...  subcarrier allocation and optimal power splitting ratio selection.  ...  In [6] , artificial noise was considered for physical-layer security.  ... 
arXiv:1509.04442v1 fatcat:fazfcrk3ivfrxlkg3znokuj4bq

A priority-aware frequency domain polling MAC protocol for OFDMA-based networks in cyber-physical systems

2015 IEEE/CAA Journal of Automatica Sinica  
Wireless networking in cyber-physical systems (CPSs) is characteristically different from traditional wireless systems due to the harsh radio frequency environment and applications that impose high real-time  ...  physical layer to achieve instantaneous priority-aware polling.  ...  Networking layer is responsible for the reliable and real-time interconnection of physical layer and cyber layer [11−14] .  ... 
doi:10.1109/jas.2015.7296536 fatcat:qfkdf3dlorhs7mc5zvaxtgd3ny

Resource allocation for secure OFDMA communication systems

Derrick Wing Kwan Ng, Robert Schober
2011 2011 Australian Communications Theory Workshop  
Power, secrecy data rate, and subcarrier allocation are optimized for maximization of the average secrecy outage capacity (bit/s/Hz securely delivered to the users).  ...  In this paper, resource allocation and scheduling in an orthogonal frequency division multiple access (OFDMA) downlink network is studied.  ...  Zuleita Ka Ming Ho for an insightful discussion on PHY layer security.  ... 
doi:10.1109/ausctw.2011.5728730 fatcat:mfa5cc3pozbejcfnogcuvpwa4m

Resource allocation in full-duplex communications for future wireless networks

Lingyang Song, Yonghui Li, Zhu Han
2015 IEEE wireless communications  
This article aims to present the latest development and future directions of resource allocation in different full duplex systems by exploring the network resources in different domains, including power  ...  The recent significant progress in realizing full-duplex~(FD) systems has opened up a promising avenue for improving quality of service (QoS) and quality of experience (QoE) in future wireless networks  ...  As a result, research topics such as spectrum sensing algorithms, dynamic spectrum access, communication protocol design, etc, need to be redeveloped [18] ; • Physical-layer security: Physical layer security  ... 
doi:10.1109/mwc.2015.7224732 fatcat:ek3624aydvhbjfrxkldsoozr6a

Chaos Based IQ Encryption for PAPR Reduction and Security Enhancement in OFDMA PON System

Wei Zhang, Chongfu Zhang, Chen Chen
2016 Procedia Engineering  
The system can benefit of simultaneous low PAPR and high physical layer security.  ...  This paper proposed a quadrature amplitude modulation (QAM) encryption technique in orthogonal frequency-division multiple access-based passive optical network (OFDMA-PON) systems.  ...  The number of subcarriers is 127 and the DC subcarrier is not used for data transmission. For simplicity, the odd subcarriers and even subcarriers are allocated for ONU1 and ONU2, respectively.  ... 
doi:10.1016/j.proeng.2015.09.234 fatcat:4hmaenolkrfy3fafegxq54zy6a

A Resource Allocation Algorithm of Physical-Layer Security for OFDMA System under Non-ideal Condition

Xiao-min Ran, You-quan Mo, Yu-lei Chen
2013 Communications and Network  
In this paper, a resource allocation scheme based on physical layer security under non-ideal condition for OFDMA system is introduced.  ...  In order to maximize the average secrecy outage capacity without channel state information of eavesdroppers, we use dual decomposition method to implement subcarriers and power allocation in joint optimization  ...  In this paper, an algorithm about OFDMA physical resource allocation for non-ideal environment is proposed. First, we construct an OFDMA network security model.  ... 
doi:10.4236/cn.2013.53b2039 fatcat:n2s573ojtvbvnk6kjwvw7m64dy

OFDMA WiMAX Physical Layer [chapter]

Ramjee Prasad, Fernando J. Velez
2010 WiMAX Networks  
IEEE 802.16 physical (PHY) layer is characterized by Orthogonal Frequency Division Multiplexing (OFDM), Time Division Duplexing, Frequency division Duplexing, Quadrature Amplitude Modulation and Adaptive  ...  After discussing the basics of OFDM and Orthogonal Frequency division Multiple Access (OFDMA), scalable OFDMA is presented and supported frequency bands, channel bandwidth and the different IEEE 802.16  ...  Physical Layer OFDMA WiMAX Physical Layer 77 OFDMA WiMAX Physical Layer 81 OFDMA WiMAX Physical Layer OFDMA WiMAX Physical Layer 85 OFDMA WiMAX Physical Layer 87 OFDMA WiMAX  ... 
doi:10.1007/978-90-481-8752-2_2 fatcat:4cgvqpgi2bcbvbygdevtvcbf5u

A Survey of Mobile WiMAX IEEE 802.16m Standard [article]

Jha Rakesh, Wankhede Vishal A., Upena Dalal
2010 arXiv   pre-print
We focus our discussion on Physical Layer, MAC Layer, Schedular,QoS provisioning and mobile WiMAX specification.  ...  IEEE 802.16m amends the IEEE 802.16 Wireless MAN-OFDMA specification to provide an advanced air interface for operation in licenced bands.  ...  PHYSICAL LAYER OF IEEE 802.16M. This section contains an overview of some Physical Layer enhancements that are currently being considered for inclusion in future systems.  ... 
arXiv:1005.0976v1 fatcat:az6ox7vtkveldpailkqf27a6sy

A downlink non-orthogonal multiple access scheme having physical layer security

Naoto Horiike, Eiji Okamoto, Tetsuya Yamamoto
2018 EURASIP Journal on Wireless Communications and Networking  
In this paper, we propose a chaos non-orthogonal multiple access (C-NOMA) scheme for downlink transmission that offers high capacity allocation and secure wireless multiple access with physical layer security  ...  and physical layer security against eavesdroppers.  ...  Authors' contributions NH (first author) and EO (second author) made contributions to the project conceptualization and design, and analysis and interpretation of data, and were involved in drafting and  ... 
doi:10.1186/s13638-018-1156-8 fatcat:rz2zukwolnbphac7midzm7y6dq

Secure Resource Allocation for Cooperative OFDMA System with Untrusted AF Relaying

Yifeng Jin, Xunan Li, Guocheng Lv, Meihui Zhao, Ye Jin
2021 IEEE Access  
With the aim of maximizing the weighted sum secrecy rate, we formulate a joint resource allocation problem of power allocation, subcarrier assignment and subcarrier pairing.  ...  In this paper, we consider a cooperative orthogonal frequency division multiple access (OFDMA) system, where a source communicates with multiple users with the help of an untrusted relay.  ...  Therefore, physical layer security research in OFDMA has gained considerable attention in recent years.  ... 
doi:10.1109/access.2021.3130067 fatcat:ys4z2etgxvbqpjrulqqpv7il5i

Secure resource allocation for green two-way relay networks with mutually untrusted relay and mobile users

Fei Wang, Changchun Qin
2019 IET Networks  
The authors investigate secure resource allocation for an orthogonal frequency division multiple access two-way relay network, which has several pairs of mobile users (MUs) and one energy harvesting (EH  ...  For this scenario, which has hardly been considered, the joint problem of subcarrier allocation, power control, and power splitting ratio selection is formulated, with the aim to maximise the total secrecy  ...  Moreover, the authors in [16] [17] [18] studied the physical layer security for two-way relay networks with untrusted relays, where several secure resource allocation schemes are proposed to guarantee  ... 
doi:10.1049/iet-net.2019.0002 fatcat:nnpfcwdiuzajrdrffgtiqkllbm
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