Artificial Noise-Aided User Scheduling for Optimal Secrecy Multiuser Diversity

Bang, Inkyu; Kim, Su Min; Sung, Dan Keun

doi:10.1109/lcomm.2016.2629483

Cited by 21 publications

(21 citation statements)

References 9 publications

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“…According to Appendix A, I 0 can be obtained as (15) at the top of the following page. Moreover, I 1 can be formulated as…”

Section: A Conventional Round-robin User Schedulingmentioning

confidence: 99%

“…Additionally, jamming schemes [12], [13] were conceived for preventing wiretapping by the E at the expense of negligible interference imposed on the legitimate nodes, demonstrating that transmitting specifically designed artificial noise enhances the security of wireless communications. As a design alternative, both user scheduling schemes [14], [15] as well as relay selection schemes [16]- [19] were advocated for upgrading the security of wireless communications. Specifically, cooperative jamming aided user scheduling schemes have been proposed in [14] and [15], relying on a physical-layer security perspective.…”

Section: Introductionmentioning

confidence: 99%

“…As a design alternative, both user scheduling schemes [14], [15] as well as relay selection schemes [16]- [19] were advocated for upgrading the security of wireless communications. Specifically, cooperative jamming aided user scheduling schemes have been proposed in [14] and [15], relying on a physical-layer security perspective. The authors of [16] and [17] conceived one-way relay selection schemes to assist the wireless transmissions of the source, demonstrating that the relay selection schemes are indeed capable of improving the secrecy of wireless transmissions.…”

Section: Introductionmentioning

confidence: 99%

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The Security–Reliability Tradeoff of Multiuser Scheduling-Aided Energy Harvesting Cognitive Radio Networks

Ding

Zou

Zhang

et al. 2019

IEEE Trans. Commun.

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We study the physical-layer security of a cognitive radio system in the face of multiple eavesdroppers (EDs), which is composed of a secondary base station (SBS), multiple secondary users (SUs) as well as a pair of primary transmitter (PT) and primary receiver (PR), where the SUs first harvest energy from their received radio frequency signals transmitted by the PT and then communicate with the SBS relying on opportunistic scheduling. We consider two specific user scheduling schemes, namely the channel-aware user scheduling (CaUS) and energyaware user scheduling (EaUS). In the CaUS scheme, an SU having the best instantaneous SU-SBS link (spanning from SUs to SBS) will be activated to communicate with the SBS. By contrast, the EHbUS scheme takes into account both the amount of energy harvested from the PT and the instantaneous quality of the SU-SBS link. We analyze the security-reliability tradeoff (SRT) of both the CaUS and of the EaUS schemes in terms of their intercept vs outage probability. We also provide the SRT analysis of traditional round-robin user scheduling (RrUS) used as a benchmarker of the CaUS and EaUS schemes. We demonstrate that the EaUS scheme achieves the best outage and secrecy performance in the high main-to-eavesdropper ratio (MER) region, but a worse secrecy performance than the CaUS method in the low-MER region. Moreover, from a security vs reliability perspective, the CaUS outperforms both the EaUS and the RrUS in the low-MER region. Surprisingly, this also implies that although the user scheduling criterion of EaUS exploits the knowledge of both the amount of harvested power and instantaneous channel state information (CSI), it exhibits a degraded physical-layer security in the low-MER region, due to the increased harvested energy is beneficial not only for the legitimate SBS receiver, but also for the EDs.Index Terms-Cognitive radio networks, energy harvesting, X. Ding * is with the Jiangsu

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“…According to Appendix A, I 0 can be obtained as (15) at the top of the following page. Moreover, I 1 can be formulated as…”

Section: A Conventional Round-robin User Schedulingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

The Security–Reliability Tradeoff of Multiuser Scheduling-Aided Energy Harvesting Cognitive Radio Networks

Ding

Zou

Zhang

et al. 2019

IEEE Trans. Commun.

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“…Moreover, the concept of cognitive jamming was explored in [13], while specially designed artificial noise was used for preventing eavesdropping in [14]. Furthermore, the authors of [15] and [16] explored opportunistic user scheduling conceived with cooperative jamming. More specifically, in [16], the non-scheduled users of the proposed user scheduling scheme were invoked for generating artificial noise in order to improve security in a multiuser wiretap network.…”

mentioning

confidence: 99%

“…Furthermore, the authors of [15] and [16] explored opportunistic user scheduling conceived with cooperative jamming. More specifically, in [16], the non-scheduled users of the proposed user scheduling scheme were invoked for generating artificial noise in order to improve security in a multiuser wiretap network. Both one-way [17], [18] and two-way [19], [20] relaying schemes were conceived for guarding against eavesdropping, demonstrating that relay selection schemes are capable of improving the PLS.…”

mentioning

confidence: 99%

Secrecy Outage and Diversity Analysis of Multiple Cooperating Source-Destination Pairs

Ding

Zou

Chen

et al. 2020

IEEE Trans. Veh. Technol.

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We study the physical-layer security of a multiple source-destination (SD) pairs coexisting wireless network in the face of an eavesdropper, where an eavesdropper intends to wiretap the signal transmitted by the SD pairs. In order to protect the wireless transmission against eavesdropping, we propose a cooperation framework relying on two stages. Specifically, an SD pair is selected to access the total allocated spectrum using an appropriately designed scheme at the beginning of the first stage. The other source nodes (SNs) simultaneously transmit their data to the SN of the above-mentioned SD pair relying on an orthogonal way during the first stage. Then, the SN of the chosen SD pair transmits the data packets containing its own messages and the other SNs' messages to its dedicated destination node (DN) in the second stage, which in turn will forward all the other DNs' data to the application center via the core network. We conceive a specific SD pair selection scheme, termed as the transmit antenna selection aided sourcedestination pair selection (TAS-SDPS). We derive the secrecy outage probability (SOP) expressions for the TAS-SDPS, as well as for the conventional round-robin source-destination pair selection (RSDPS) and non-cooperative (Non-coop) schemes for comparison purposes. Furthermore, we carry out the secrecy diversity gain analysis in the high main-to-eavesdropper ratio (MER) region, showing that the TAS-SDPS scheme is capable of achieving the maximum attainable secrecy diversity order. Additionally, increasing the number of the transmission pairs will reduce the SOP, whilst increasing the secrecy diversity order of the TAS-SDPS scheme. It is shown that the SOP of the TAS-SDPS scheme is better than that of RSDPS and Non-coop schemes. We also demonstrate that the secrecy diversity gain of proposed TAS-SDPS scheme is M times that of the RSDPS scheme in the high-MER region, where M is the number of the SD pairs.Index Terms-Physical-layer security, source-destination pair scheduling, secrecy outage probability, secrecy diversity gain.

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Cooperative beamforming based artificial noise in uplink wiretap channels

Son

2021

Wireless Netw

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Artificial Noise-Aided User Scheduling for Optimal Secrecy Multiuser Diversity

Cited by 21 publications

References 9 publications

The Security–Reliability Tradeoff of Multiuser Scheduling-Aided Energy Harvesting Cognitive Radio Networks

The Security–Reliability Tradeoff of Multiuser Scheduling-Aided Energy Harvesting Cognitive Radio Networks

Secrecy Outage and Diversity Analysis of Multiple Cooperating Source-Destination Pairs

Cooperative beamforming based artificial noise in uplink wiretap channels

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