Always Best-Connected QoS integration model for the WLAN, WiMAX Heterogeneous Network

Roy, J. Jackson Juliet; Vaidehi, V.; Subramanian, S.V.

doi:10.1109/iciis.2006.365753

Cited by 30 publications

(2 citation statements)

References 7 publications

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“…The exact mechanism of how it is achieved is not discussed in the paper. In [23], the authors used packet loss and delay as critera for performing handoff from one network to another. The authors reported 9 ms maximum delay which is not possible in WiMax without altering default parameters.…”

Section: Related Workmentioning

confidence: 99%

Context Aware Mobile Initiated Handoff For Performance Improvement In IEEE 802.11 Networks

Sarma¹,

Joshi²,

Nandi³

2011

IJCNC

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Section: Related Workmentioning

confidence: 99%

Context Aware Mobile Initiated Handoff For Performance Improvement In IEEE 802.11 Networks

Sarma¹,

Joshi²,

Nandi³

2011

IJCNC

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“…Song et al [7] researched user association in the cellular-WLAN heterogeneous network, and users always first try to access WLAN to obtain higher data rate, which is referred to as WLAN-first scheme. References [8,9] focus on the network selection strategy in the WiMAX-WLAN heterogeneous network, and users always try to select access points that can support the highest rate-namely, the best AP selection algorithm.…”

Section: Introductionmentioning

confidence: 99%

An Improved User Association Algorithm for MAP–FAPs Heterogeneous Networks

2016

Symmetry

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Heterogeneous networks (HetNets) give users the opportunity to access different access points(APs), which will simultaneously affect user performance and system performance, so user association in HetNets plays a critical role in enhancing the load balancing and the system sum-throughput of networks. Meanwhile, the incremental sum-throughput currently fails to meet the escalating data demands. Besides, ensuring fairness amongst users constitutes another urgent issue in the radio resource management (RRM) of HetNets. What is more, few works consider the maximum service user number constraint in femtocell access points (FAPs). To solve the aforementioned problem, this paper associates users to APs by considering system sum-throughput and fairness at the same time in HetNets under a maximum service user number constraint of FAPs; accordingly, the user association problem is formulated. By releasing constraint, the optimal user association algorithm is obtained by Lagrangian function, and based on this optimal solution, a low complexity suboptimal user association algorithm is proposed. At last, this paper investigates the relationship between system sum-throughput and maximum service user number of FAPs. Numerical simulation results show that the proposed algorithm can improve sum-throughput and fairness at the same time at a specific maximum service user number of FAPs.

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Scalability study of backhaul capacity sensitive network selection scheme in LTE‐WiFi HetNet

Ting

Chieng

Kwong

et al. 2016

Trans. Emerging Tel. Tech.

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Wireless heterogeneous network (HetNet) with small cells presents a new backhauling challenge that differs from those of experienced by conventional macro‐cells. In practice, the choice of backhaul technology for these small cells whether fibre, xDSL, point‐to‐point and point‐to‐multipoint wireless, or multi‐hop/mesh networks, is often governed by availability and cost and not by required capacity. Therefore, the resulting backhaul capacity of the small cells in HetNet is likely to be non‐uniform because of the mixture of backhaul technologies adopted. In such an environment, a question then arises whether a network selection strategy that considers the small cells' backhaul capacity will improve the end users' usage experience. In this paper, a novel dynamic backhaul capacity sensitive (DyBaCS) network selection scheme is proposed and compared with two commonly used network selection schemes, namely, WiFi First and physical data rate in an LTE‐WiFi HetNet environment. The proposed scheme is evaluated in terms of average connection or user throughput and fairness among users. The effects of varying WiFi backhaul capacity (uniform and non‐uniform distribution), WiFi‐LTE coverage ratio, user density and WiFi access points (APs) density within the HetNet form the focus of this paper. Results show that the DyBaCS scheme generally provides superior fairness and user throughput performance across the range of backhaul capacity considered. Besides, DyBaCS is able to scale much better than WiFi First and physical data rate across different user and WiFi densities. Copyright © 2016 John Wiley & Sons, Ltd.

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Always Best-Connected QoS integration model for the WLAN, WiMAX Heterogeneous Network

Cited by 30 publications

References 7 publications

Context Aware Mobile Initiated Handoff For Performance Improvement In IEEE 802.11 Networks

Context Aware Mobile Initiated Handoff For Performance Improvement In IEEE 802.11 Networks

An Improved User Association Algorithm for MAP–FAPs Heterogeneous Networks

Scalability study of backhaul capacity sensitive network selection scheme in LTE‐WiFi HetNet

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