On the balance between cooperation and interference in dense wireless networks

Altieri, Andrés; Vega, Leonardo Rey; Galarza, Cecilia G.; Piantanida, Pablo

doi:10.1109/iswcs.2012.6328520

Cited by 3 publications

(5 citation statements)

References 11 publications

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“…Remark 3. The OP q for the case |x s | = |x r | can be computed straightforward using a similar approach, see e.g., [6]. Due to space limitations we do not present this result here.…”

Section: Performance Metricsmentioning

confidence: 99%

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Cooperative relaying in a poisson field of interferers: A diversity order analysis

Tanbourgi

Jäkel

Jondral

2013

2013 IEEE International Symposium on Information Theory

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Abstract-This work analyzes the gains of cooperative relaying in interference-limited networks, in which outages can be due to interference and fading. A stochastic model based on point process theory is used to capture the spatial randomness present in contemporary wireless networks. Using a modification of the diversity order metric, the reliability gain of selection decodeand-forward is studied for several cases. The main results are as follows: the achievable spatial-contention diversity order (SC-DO) is equal to one irrespective of the type of channel which is due to the ineffectiveness of the relay in the MAC-phase (transmit diversity). In the BC-phase (receive diversity), the SC-DO depends on the amount of fading and spatial interference correlation. In the absence of fading, there is a hard transition between SC-DO of either one or two, depending on the system parameters.

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“…Remark 3. The OP q for the case |x s | = |x r | can be computed straightforward using a similar approach, see e.g., [6]. Due to space limitations we do not present this result here.…”

Section: Performance Metricsmentioning

confidence: 99%

“…A better understanding of cooperative relaying in the presence of random interference is hence mandatory. Among the vast body of literature concerning relaying, most prominently [3], [4], there exist only a limited number of works that take into account the effect of random interference, see e.g., [5], [6].…”

Section: Introductionmentioning

confidence: 99%

Cooperative relaying in a poisson field of interferers: A diversity order analysis

Tanbourgi

Jäkel

Jondral

2013

2013 IEEE International Symposium on Information Theory

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“…< P NC 2εηr 2 1 and Q 2 stands for P NC > 2εηr 2 1 . Proof: Due to independence of random variables r and θ, considering θ follows the uniform distribution between − π 2 and 3π 2 , r satisfies (1), the PDF of r and θ can be obtained as…”

Section: B Energy Efficiency Analysis Based On Pppmentioning

confidence: 99%

“…Cooperative diversity has already emerged as a new and effective technique to combat fading and to decrease energy consumption in wireless networks. The nearest neighbor relay scheme that relay is chosen to be the nearest-neighbor to the user towards the BS (access-point) always has been applied in [1], [2]. [1] proposes and analyzes the performance of two schemes: a distributed nearest-neighbor relay assignment in which users can act as relays, and an infrastructure-based relay assignment in which fixed relay nodes are deployed in the network to help the users forward their data.…”

Section: Introductionmentioning

confidence: 99%

“…[1] proposes and analyzes the performance of two schemes: a distributed nearest-neighbor relay assignment in which users can act as relays, and an infrastructure-based relay assignment in which fixed relay nodes are deployed in the network to help the users forward their data. [2] explores the balance between cooperation through relay nodes and aggregated interference generation in large decentralized wireless networks using decode-and-forward by the nearest neighbor relay scheme. [3] proposes an energy-efficient cooperative multicasting scheme by properly selecting relay agents (RAs) based on their location, channel condition and coverage.…”

Section: Introductionmentioning

confidence: 99%

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On energy efficiency of the nearest-neighbor cooperative communication in heterogeneous networks

Wang

et al. 2015

2015 IEEE International Conference on Communication Workshop (ICCW)

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In this paper, we consider a two-dimensional heterogeneous cellular network scenario consisting of one base station (BS) and some mobile stations (MSs) whose locations follow a Poisson point process (PPP). The MSs are equipped with multiple radio access interfaces including a cellular access interface and at least one short-range communication interface. We propose a nearest-neighbor cooperation communication (NNCC) scheme by exploiting the short-range communication between a MS and its nearest neighbor to collaborate on their uplink transmissions. In the proposed cooperation scheme, a MS and its nearest neighbor first exchange data by the short-range communication. Upon successful decoding of the data from each other, they proceed to send their own data, as well as the data received from the other to the BS respectively in orthogonal time slots. The energy efficiency analysis for the proposed scheme is presented based on the characteristics of the PPP and the Rayleigh fading channel. Numerical results show that the NNCC scheme significantly improves the energy efficiency compared to the conventional noncooperative uplink transmissions. 1 Index Terms-Cooperative communication; Poisson point process; heterogeneous cellular network cooperative protocol based on incremental redundancy by a ACK/NACK feedback is proposed in [10].Many of the above works have presented valuable theories, methods and technologies of cooperative communication. But there are still some improvements left to perform. Zou et al. in [11] investigate user terminals cooperating with each other in transmitting their data packets to the BS, by exploiting the multiple network access interfaces, which is called internetwork cooperation. Given a target outage probability and data rate requirements, they analyze the energy consumption of conventional schemes as compared to the proposed internetwork cooperation. The results show that the inter-network cooperation can significantly improve the energy efficiency of the uplink cellular communications. However in practical view there are some limits of this scheme work. In [11], it is required that the cooperative MSs have the same distances to the BS and know the instantaneous fading coefficients of both the short-range communication channel and each cellular channel to form an orthogonal matrix used in cooperative. In contrast, our paper intends to propose a more general and yet efficient cooperative scheme for HCNs, in which the cooperative MSs do not need to locate at the same distance away from the BS and are able to perform the cooperative communication without knowing the channel status.The main contributions of this paper are summarized as follows. At first, we present a nearest-neighbor cooperative communication (NNCC) scheme in a HCN consisting of different radio access networks, i.e., a short-range communication network and a cellular network. Then we compare the proposed NNCC scheme to conventional schemes without user cooperation under target outage probability and data rate requirements. Se...

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Stochastic Geometry for Analysis of Coordination and Cooperation in Interference–Limited Ad Hoc Networks

Skrebtsov

Bruck

Jung

2016

Communications in Interference Limited Networks

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On the balance between cooperation and interference in dense wireless networks

Cited by 3 publications

References 11 publications

Cooperative relaying in a poisson field of interferers: A diversity order analysis

Cooperative relaying in a poisson field of interferers: A diversity order analysis

On energy efficiency of the nearest-neighbor cooperative communication in heterogeneous networks

Stochastic Geometry for Analysis of Coordination and Cooperation in Interference–Limited Ad Hoc Networks

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