NDLI: Modelling the region-based VoLTE cell capacity estimation using resource optimisation

Content Provider	IET Digital Library
Author	Senapati, Rajiv Pati, Hemanta Kumar
Abstract	In this study, the authors introduce analytical models for region-based Voice over Long Term Evolution (VoLTE) cell capacity estimation. Using the authors' proposed analytical models, they estimate cell capacity in different regions by using several user-specific voice traffic characteristics such as Voice Activity Factor (VAF) and Silent Insertion Descriptor (SID), and different advanced techniques like Packet bundling and Transmission Time Interval (TTI) bundling. It also incorporates Hybrid automatic repeat request (HARQ) retransmission. In this work, the cell is divided into multiple regions, each corresponding to the area in which user equipment generates a certain level of Channel Quality Indication (CQI) value based on Signal to Interference plus Noise Ratio (SINR). This proposed model for region-based VoLTE capacity estimation optimises the network resource utilisation and enhances the number of concurrent active VoLTE users within the cell in each region. In this work, they have defined packet bundling and TTI bundling factors for appropriate regions to optimally allocate the radio resources for capacity estimation. Numerical results obtained using their proposed model considering different radio specific parameters are found improving the VoLTE cell capacity significantly. Further, the impact of HARQ on region-based VoLTE cell capacity is also obtained.
Starting Page	1225
Ending Page	1235
Page Count	11
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 9, Jun (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5695
Journal	IET Communications
Publisher Date	2019-02-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Analytical Model Appropriate Regions Automatic Repeat Request Computer Communication Concurrent Active VoLTE User Different Advanced Technique Different Radio Specific Parameter Hybrid Automatic Repeat Request Retransmission Internet Telephony Long Term Evolution Long Term Evolution Cell Capacity Estimation Mobile Radio System Multiple Region Network Resource Utilisation Optimisation Packet Bundling Protocol Quality of Service Region-based Voice Region-based VoLTE Capacity Estimation Region-based VoLTE Cell Capacity Estimation Resource Allocation Resource Optimisation Silent Insertion Descriptor Telecommunication Traffic Telephony Transmission Time Interval Bundling TTI Bundling Factors User Equipment User-specific Voice Traffic Characteristic Voice Activity Factor Voice Communication Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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