Voice-activity-based vertical handover in 3G-WLAN interworking networks

Choi, Hyun-Ho; Song, Ohyoung; Lee, J.-R.

doi:10.1049/el.2009.1104

Cited by 3 publications

(1 citation statement)

References 5 publications

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“…This algorithm reduces handoff numbers and makes full use of WLAN resources. The authors in paper [10] propose a new vertical handover scheme for a VoIP connection, which makes use of the on-off characteristics of voice traffic by aligning the mutual silence period of the two parties engaged in conversation with the service disruption time as much as possible during the handover procedure. F. Jiadi et al in [11] propose a useradaptive vertical handover scheme based on Media Independent Handover (MIH) function in the integration of Wi-Fi, WiMAX and UMTS networks environment.…”

Section: Introductionmentioning

confidence: 99%

Intelligent Vertical Handover for Heterogonous Networks Using FL And ELECTRE

Alkhawlani¹

2011

IJCNC

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The future Heterogeneous Wireless Network (HWN) is composed of multiple Radio Access Technologies (RATs) and domains, therefore, new Radio Resource Management (RRM) schemes and mechanisms are necessary to benefit from the individual characteristics of each RAT and to exploit the gain resulting from jointly considering the whole set of the available radio resources in each RAT. Vertical Handover (VHO) enables users to access several networks such as WLAN, WMAN, WPAN, and WWAN in parallel. It allows the applications even the real time application to be seamlessly transferred among different networks. In this paper, a decision support system is developed to address the VHO problem. This system combines fuzzy logic and ELECTRE, a MCDM algorithm, to the problem of VHO. This combination decreases the influence of the dissimilar, imprecise, and contradictory measurements for the VHO criteria coming from different sources. A performance analysis is done and the results are compared with traditional algorithms for VHO. These results demonstrate a significant improvement with our developed algorithm.

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Section: Introductionmentioning

confidence: 99%

Intelligent Vertical Handover for Heterogonous Networks Using FL And ELECTRE

Alkhawlani¹

2011

IJCNC

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A Survey on 5G Usage Scenarios and Traffic Models

Navarro-Ortiz

Romero-Diaz

Sendra

et al. 2020

IEEE Commun. Surv. Tutorials

539

201

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The fifth-generation mobile initiative, 5G, is a tremendous and collective effort to specify, standardize, design, manufacture, and deploy the next cellular network generation. 5G networks will support demanding services such as enhanced Mobile Broadband, Ultra-Reliable and Low Latency Communications and massive Machine-Type Communications, which will require data rates of tens of Gbps, latencies of few milliseconds and connection densities of millions of devices per square kilometer. This survey presents the most significant use cases expected for 5G including their corresponding scenarios and traffic models. First, the paper analyzes the characteristics and requirements for 5G communications, considering aspects such as traffic volume, network deployments, and main performance targets. Secondly, emphasizing the definition of performance evaluation criteria for 5G technologies, the paper reviews related proposals from principal standards development organizations and industry alliances. Finally, well-defined and significant 5G use cases are provided. As a result, these guidelines will help and ease the performance evaluation of current and future 5G innovations, as well as the dimensioning of 5G future deployments.

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Frequency Reconfigurable Planar Inverted-F Antenna (Pifa) for Cell-Phone Applications

Lee¹,

Kim²,

Sung

2012

PIER C

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Abstract-In this paper, a frequency reconfigurable antenna for cell-phone applications is presented. The proposed structure is based on a conventional PIFA. In addition, two stubs, each with a varactor diode, are incorporated. In order to achieve the wideband characteristic, the first two resonant frequencies (f 1 and f 2 ) of the proposed antenna are controlled independently by the supplied voltages with the variation of the capacitances. The equivalent circuit of the varactor diode has been extracted in order to accurately predict the performance of the proposed antenna. In addition, parametric studies regarding the capacitance and antenna length have been conducted. The measurement results show that the proposed antenna has a tunable bandwidth defined by a VSWR < 2.5 of 45.7%

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Voice-activity-based vertical handover in 3G-WLAN interworking networks

Cited by 3 publications

References 5 publications

Intelligent Vertical Handover for Heterogonous Networks Using FL And ELECTRE

Intelligent Vertical Handover for Heterogonous Networks Using FL And ELECTRE

A Survey on 5G Usage Scenarios and Traffic Models

Frequency Reconfigurable Planar Inverted-F Antenna (Pifa) for Cell-Phone Applications

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