NDLI: Gibbs-sampling-based optimization for the deployment of small cells in 3G heterogeneous networks

Content Provider	IEEE Xplore Digital Library
Author	Xiaohang Li Xiaojun Tang Chih-Chun Wang Xiaojun Lin
Copyright Year	2013
Description	Author affiliation: Center for Wireless Syst. & Applic., Purdue Univ., West Lafayette, IN, USA (Xiaohang Li; Chih-Chun Wang; Xiaojun Lin) \|\| AT&T Labs., Purdue Univ., West Lafayette, IN, USA (Xiaojun Tang)
Abstract	The growing popularity of mobile data services has placed great demands for wireless cellular networks to support higher throughput. One way to meet the rapidly growing traffic demand is through heterogeneous network (HetNet) deployment, which uses a mixture of macro cells and small cells (also known as micro- or pico-cells) to further enhance the spatial reuse and thus improves network throughput. In this paper, we propose a Gibbs-sampling based optimization method for the deployment of small cells in 3G networks. To our best knowledge, this work is the first to optimize the locations of multiple small cells with the goal of maximizing a given network utility function. The Gibbs sampling based (GSB) method intelligently balances two potentially conflicting considerations: (i) placing small cells close to congested areas; and (ii) minimizing interference with the existing macro cells and other small cells. We also describe two low-complexity algorithms, the greedy EcNo and the greedy hotspot algorithms. Both algorithms are widely used in industry and will be used as the performance benchmark. Extensive simulations have been conducted based on real traffic traces from the 3G data network. The numerical results show that the GSB placement leads to 10% higher throughput and 30% higher off-loading factor than the greedy solutions. Since the cost of deploying small nodes could be expensive and each city may need a large number of small nodes, the proposed results represent significant cost savings compared to greedy solutions.
Starting Page	444
Ending Page	451
File Size	527419
Page Count	8
File Format	PDF
e-ISBN	9783901882548
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-13
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	IFIP
Subject Keyword	Interference Spread spectrum communication Throughput Mobile communication Multiaccess communication Optimization Mobile computing
Content Type	Text
Resource Type	Article

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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