Energy Efficient Cooperative Multicast Scheme Based on Selective Relay

Lee, Joohyung; Lim, Young Mi; Kim, Kwihoon; Choi, Seong Gon; Choi, Jun Kyun

doi:10.1109/lcomm.2012.011312.112375

Cited by 32 publications

(17 citation statements)

References 6 publications

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“…Until now, lots of researches have been made to study cooperative multicast, including the performance analysis [6], cognitive cooperative multicast [4], multi-antenna cooperative multicast [7], energy-efficient cooperative multicast [8] and so on. However, the existing work assumes that the two-phase cooperative transmission is accomplished in a time division duplex (TDD) fashion, and data forwarding in the second phase occupies one half of time resources.…”

Section: Introductionmentioning

confidence: 99%

Underlaid-D2D-assisted cooperative multicast based on social networks

et al. 2015

Peer-to-Peer Netw. Appl.

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In this paper, device-to-device (D2D) communication is integrated into cooperative multicast to elevate the multicast transmission rate from base station to users. To this end, a new optimization problem, aiming to maximize the overall cooperative multicast rate, is formulated with two essential features 1) D2D communication is exploited to accomplish the data forwarding in the second phase of cooperative multicast, which overcomes the performance bottleneck that time resource has to be bisected for original relay forwarding in conventional cooperative multicast. 2) Social tiers are also taken into account for relay user selection, which can be viewed as a kind of incentive mechanism to enable D2D communication. To solve the problem efficiently, a two-step scheme is presented, in which relay user selection by joint leveraging channel gains and social connections, and power allocation by quantum-behaved particle swarm optimization (QPSO), are carried out sequentially. Numerical simulations show that the proposed social network-based D2D-assisted cooperative multicast scheme performs well, and the performance gap between the proposed power allocation algorithm and upper bound could be limited within 5 % when the system is not heavily loaded. The performance gain over traditional cooperative multicast can reach up to 85 %.

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Section: Introductionmentioning

confidence: 99%

Underlaid-D2D-assisted cooperative multicast based on social networks

et al. 2015

Peer-to-Peer Netw. Appl.

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“…The attainable performance of two-stage co-multicast was analysed in [5], while the associated optimum power allocation was characterised in [6]. Furthermore, in [7] and [8], the authors studied relay selection techniques in the context of two-stage This paper is going to be published in the proceedings of IEEE Wireless Communications and Networking Conference (WCNC) 2014. co-multicast. Specifically, in [7], the best relay was selected for maximizing the end-to-end co-multicast capacity.…”

Section: Introductionmentioning

confidence: 99%

“…Specifically, in [7], the best relay was selected for maximizing the end-to-end co-multicast capacity. In [8], in order to avoid unnecessary power wastage, the relays were activated only if there were unserved nodes within their transmission range.…”

Section: Introductionmentioning

confidence: 99%

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Cooperative multicast aided picocellular hybrid information dissemination in mobile social networks: Delay/energy evaluation and relay selection

Yang

Hanzo

2014

2014 IEEE Wireless Communications and Networking Conference (WCNC)

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Abstract-A novel hybrid information dissemination scheme is proposed for picocellular systems. At the first stage of our scheme, some of the mobile users (MUs) successfully receive the information of common interest via BS-aided multicast. At the second stage, the information is cooperatively multicast (comulticast) by the information owners (IOs) in a self-organized ad hoc network until all the MUs receive it. Since limited resources are provided for the second stage of the spontaneous co-multicast, some of the IOs are appointed for relaying the information to the hitherto unserved MUs. Several relay selection protocols are conceived for the sake of improving the performance of our hybrid information dissemination scheme. The simulation results demonstrate that our scheme may reduce the average dissemination delay and the average energy dissipation by 20% and 70%, respectively, when compared to the conventional BS aided single-hop multicast. Furthermore, we demonstrate that relying on the IOs associated with the best links plays a crucial role in facilitating spontaneous information dissemination.

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“…In [4], the nearest neighbor scheme is developed, in which each NACK user only selects the nearest ACK user for retransmission. In [5], it is proposed that an ACK user should be selected as a relay only if at least one NACK user is located within its transmission boundary. Moreover, [6] and [7] have focused on the energy efficiency of two-stage CM, aiming to minimize the total transmit power while ensuring a practical coverage ratio.…”

Section: Introductionmentioning

confidence: 99%

Device-to-device assisted two-stage cooperative multicast with optimal resource utilization

Yin

Wang

Lin

et al. 2014

2014 IEEE Globecom Workshops (GC Wkshps)

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Device-to-device (D2D) communication has the potential to facilitate wireless multicast by retransmissions among users in proximity to each other. In this paper, the D2D assisted cooperative multicast (CM) is investigated in a new scenario, where a large number multicast recipients are densely distributed within a small area (called a D2D cluster). In this scenario, D2D multicast is innovatively employed in the retransmission stage, and a new relay selection scheme named nearest center protocol (NCP) is proposed. Moreover, the optimal time allocation between the two transmission stages is investigated, with the aim of minimizing the total time consumption of the two-stage CM. The time allocation problem is then formulated as an optimization problem and solved by the sequential quadratic programming (SQP) method. Simulation results show that the D2D assisted two-stage CM can achieve higher cost-efficiency than the conventional one-stage multicast, and the gain becomes larger when the D2D cluster moves farther from BS. Besides, the optimal time allocation between the two transmission stages also varies with the location of the D2D cluster, which means equal time allocation is no longer appropriate to be used in our new scenario.

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Energy Efficient Cooperative Multicast Scheme Based on Selective Relay

Cited by 32 publications

References 6 publications

Underlaid-D2D-assisted cooperative multicast based on social networks

Underlaid-D2D-assisted cooperative multicast based on social networks

Cooperative multicast aided picocellular hybrid information dissemination in mobile social networks: Delay/energy evaluation and relay selection

Device-to-device assisted two-stage cooperative multicast with optimal resource utilization

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