On the coverage and power allocation for downlink in heterogeneous wireless cellular networks

Vien, Quoc-Tuan; Akinbote, Tayo; Nguyen, Huan X.; Trestian, Ramona; Gemikonakli, Orhan

doi:10.1109/icc.2015.7249055

Cited by 16 publications

(16 citation statements)

References 21 publications

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“…Araniti et al [10] propose a new handover algorithm in LTE HetNets by making use of green policies to provide an efficient management of the base stations transmitted power and reduce the unnecessary handovers of the mobile devices. Other solutions exploit the use of stochastic geometry when studying the practical implications of small cell deployment in various propagation environment models within the HetNet environment [11] [12]. Different studies have shown that the overall user experience may be affected by a wide range of factors including the power consumption [13] as well as the impact of the networking connection on service delivery and user satisfaction, e.g., signal strength [14], reliability, coverage area, network conditions and wireless technology [15] etc.…”

Section: Related Workmentioning

confidence: 99%

UEFA-M: Utility-based energy efficient adaptive multimedia mechanism over LTE HetNet small cells

Trestian

Vien

Shah

et al. 2017

2017 International Symposium on Wireless Communication Systems (ISWCS)

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Abstract-The emerging advances in mobile computing devices enable the adoption of new services like video over LTE (ViLTE), augmented and virtual reality, omnidirectional video, etc. However, these new services cannot be technologically achievable within the current networks without a rethink in the network architecture. A simple increase in system capacity will not be enough without considering the provisioning of Quality of Experience (QoE) as the basis for network control, customer loyalty and retention rate and thus increase in network operators' revenue. This paper proposes an Utility-based Energy eFficient Adaptive Multimedia Mechanism (UEFA-M) over the LTE HetNet Small Cells environment that combines the use of utility theory and the concept of proactive handover to enable the adaptation of the multimedia stream ahead of the handover process in order to provide a seamless QoE to the mobile user and energy savings for their mobile device. Mathematical models for energy and quality are derived from previous real experimental data and integrated in the adaptation mechanism using the utility theory. The performance of the proposed adaptive multimedia scheme is analyzed and compared against a non-adaptive solution in terms of energy efficiency and Mean Opinion Score (MOS).

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Section: Related Workmentioning

confidence: 99%

UEFA-M: Utility-based energy efficient adaptive multimedia mechanism over LTE HetNet small cells

Trestian

Vien

Shah

et al. 2017

2017 International Symposium on Wireless Communication Systems (ISWCS)

Self Cite

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“…The pioneering works in [10,11] have shown that the PPP model is tractable, yet accurate for providing important performance metrics for cellular networks in terms of coverage and rate. The key performance metrics such as the coverage probability and the average rate are essential for characterizing the performance of a HetNet, which has been well investigated in the literature [10][11][12][13]. For example, the effect of typical frequency reuse on the coverage and the rate for conventional single-tier networks was discussed in [10].…”

Section: Related Workmentioning

confidence: 99%

“…Using Equation (41) in [32], the PDF of XF is given by Equation (13). Finally, the joint CDF of X C can be written as:…”

Section: Appendix Bmentioning

confidence: 99%

“…The baseline model in [10] was further extended to a general K-tier case of a downlink HetNet, and its coverage and rate were also analyzed in [11]. Furthermore, the coverage and rate analyses for a typical user with different path-loss exponents in the HetNet, taking into account more practical propagation environments, were modeled and analyzed in [12,13]. The authors in [12] investigated the impact of the dual-slope path loss on the coverage probability and capacity of mmWave networks.…”

Section: Related Workmentioning

confidence: 99%

“…The authors in [12] investigated the impact of the dual-slope path loss on the coverage probability and capacity of mmWave networks. In [13], the authors considered various indoor and outdoor propagation environments for a HetNet, and a heuristic algorithm for the power allocation at the tiered cells was also developed. In addition, this random spatial model in [11] has been further extended to many scenarios of interest for HetNets, such as user association [14][15][16], fractional frequency reuse [17,18], CoMP transmission [19][20][21][22][23], and so on.…”

Section: Related Workmentioning

confidence: 99%

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Coverage and Rate Analysis for Location-Aware Cross-Tier Cooperation in Two-Tier HetNets

Guo

Cong

2017

Symmetry

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Heterogeneous networks (HetNets) are regarded as a promising approach to handle the deluge of mobile data traffic. With the co-channel deployment of small cells, the coverage and capacity of the network will be improved. However, the conventional maximum-received-power (MRP) user association scheme and cross-tier interference issue significantly diminish the performance gain provided by small cells. In this paper, we propose a novel location-aware cross-tier cooperation (LA-CTC) scheme for jointly achieving load balancing and interference mitigation in two-tier HetNets. In detail, we define an inner region for each macro base station (MBS) where the femto base stations (FBSs) will be deactivated, and thereby the users within the inner region will only be served by the MBS. Subsequently, for the users located in the outer region, the proposed scheme only uses coordinated multipoint (CoMP) transmission by two tiers of BSs to eliminate the excessive cross-tier interference suffered by offloaded users, whereas users with good locations are served directly by either a MBS or a FBS. Using tools of stochastic geometry, we derived the analytical expressions for the coverage probability and average rate of a randomly chosen user. Meanwhile, the analytical results were validated through Monte Carlo simulations. The numerical results show that the proposed scheme can improve the performance of networks significantly. Moreover, we compare the performance of the proposed scheme with that of the conventional MRP scheme, the cell range expansion (CRE) scheme and the location-aware cross-tier CoMP transmission (LA-CTCT) scheme in the literature. Numerical comparisons revealed that the proposed LA-CTC scheme outperforms the other three schemes.

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An Overview of 5G Technologies

Tran

Phan

Vien

2018

Emerging Wireless Communication and Network Technologies

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On the coverage and power allocation for downlink in heterogeneous wireless cellular networks

Cited by 16 publications

References 21 publications

UEFA-M: Utility-based energy efficient adaptive multimedia mechanism over LTE HetNet small cells

UEFA-M: Utility-based energy efficient adaptive multimedia mechanism over LTE HetNet small cells

Coverage and Rate Analysis for Location-Aware Cross-Tier Cooperation in Two-Tier HetNets

An Overview of 5G Technologies

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