Cellular traffic offloading onto network-assisted device-to-device connections

Andreev, Sergey; Pyattaev, Alexander; Johnsson, Kerstin; Galinina, Olga; Koucheryavy, Yevgeni

doi:10.1109/mcom.2014.6807943

Cited by 192 publications

(85 citation statements)

References 14 publications

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“…A conventional WiFi medium access protocol (MAC) was designed to efficiently support up to around 25 nodes communicating their bursty content simultaneously, due to its characteristic operation based on the random channel access i.e., the binary exponential backoff (BEB) protocol. Ultimately, it can offer up to 90% of spectral efficiency for as many as 5-10 devices [72]. In the scope of this research, conventional operation of WiFi does not fulfill the requirement of a high number of nodes from the efficiency or from the interference points of view [73].…”

Section: Candidate Connectivity Solutionsmentioning

confidence: 99%

Secure and Connected Wearable Intelligence for Content Delivery at a Mass Event: A Case Study

Ometov

Solomitckii

Olsson

et al. 2017

JSAN

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Presently, smart and connected wearable systems, such as on-body sensors and head-mounted displays, as well as other small form factor but powerful personal computers are rapidly pervading all areas of our life. Motivated by the opportunities that next-generation wearable intelligence is expected to provide, the goal of this work is to build a comprehensive understanding around some of the user-centric security and trust aspects of the emerging wearable and close-to-body wireless systems operating in mass events and under heterogeneous conditions. The paper thus intends to bring the attention of the research community to this emerging paradigm and discuss the pressing security and connectivity challenges within a popular consumer context. Our selected target scenario is that of a sports match, where wearable-equipped users may receive their preferred data over various radio access protocols. We also propose an authentication framework that allows for delivery of the desired content securely within the considered ecosystem.

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Section: Candidate Connectivity Solutionsmentioning

confidence: 99%

Secure and Connected Wearable Intelligence for Content Delivery at a Mass Event: A Case Study

Ometov

Solomitckii

Olsson

et al. 2017

JSAN

Self Cite

View full text Add to dashboard Cite

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“…In case of in-band D2D communications, the transmission power should be properly regulated so that the D2D transmitter does not interfere with the cellular UE communication while maintaining the minimum SINR requirement of the D2D receiver [4]. This significantly complicates feasibility of in-band D2D widescale implementation at least for the time being.…”

Section: Introduction and Rationalementioning

confidence: 99%

“…Different aspects of the out-of-band D2D communication are presented in [4,10,11]. In [4,10], the authors developed analytical model of the network unloading for different D2D scenarios using stochastic geometry.…”

Section: Introduction and Rationalementioning

confidence: 99%

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Clustering Optimization for Out-of-Band D2D Communications

Paramonov

Hussain

Samouylov

et al. 2017

Wireless Communications and Mobile Computing

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Significant increase in multimedia traffic challenges 5G networks in terms of capacity and correspondent QoS parameters. Deviceto-device communication paradigm has already become an integral part of 3GPP standards; nevertheless it has not yet been widely deployed due to many different reasons. D2D is expected to leverage implementation of many qualitatively new services and to efficiently accomplish it D2D devices are supposed to form clusters. Due to practical limitations, current D2D implementations are mostly out-of-band and use Wi-Fi Direct. In this paper, we propose a novel model for throughput optimization in out-ofband D2D clusters. We delivered numerical results for different typical cluster member distributions and revealed key functional dependencies. Further, for the first time we compare clustering algorithms for out-of-band D2D and identify effective clustering algorithm that increases network resource utilization rate.

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“…With the increasing use of local applications, such as short-distance data transmission in social networks, D2D communication which is an effective proximity transmission scheme has seen substantial demand. D2D communication has great potential to improve spectrum efficiency and system performance by reusing cellular resources [1,2].…”

Section: Introductionmentioning

confidence: 99%

Joint user clustering and resource allocation for device-to-device communication underlaying MU-MIMO cellular networks

Wang

Lai

Yue

et al. 2015

J Wireless Com Network

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In this paper, multiple device-to-device (D2D) communication underlaying cellular multiuser multiple inputs multiple outputs (MU-MIMO) systems is investigated. This type of communication can improve spectral efficiency to address future demand, but interference management, user clustering, and resource allocation are three key problems related to resource sharing. Interference alignment (IA) is proposed to better mitigate in-cluster interference compared with a multiplex scheme, and user clustering and resource allocation are jointly investigated using binary-integer programming. In addition to an exhaustive search for a maximum throughput, we propose a two-step suboptimal algorithm by reducing the search space and applying branch-and-bound searching (BBS). To further obtain a good trade-off between performance and complexity, we propose a novel algorithm based on distance-constrained criteria for user clustering. The simulation results show that the IA and multiplex schemes acquiring user clustering gains outperform the orthogonal scheme without user clustering. Besides, the proposed two-step and location-based algorithms achieve little losses compared with the optimal algorithm under low complexities.

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Cellular traffic offloading onto network-assisted device-to-device connections

Cited by 192 publications

References 14 publications

Secure and Connected Wearable Intelligence for Content Delivery at a Mass Event: A Case Study

Secure and Connected Wearable Intelligence for Content Delivery at a Mass Event: A Case Study

Clustering Optimization for Out-of-Band D2D Communications

Joint user clustering and resource allocation for device-to-device communication underlaying MU-MIMO cellular networks

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