NDLI: System capacity of a two-sector OFDMA downlink with QoS constraints

Content Provider	IEEE Xplore Digital Library
Author	Hosein, P.
Copyright Year	2009
Description	Author affiliation: Huawei Technologies Co., Ltd., 10180 Telesis Court, Suite 365, San Diego, CA 92121, USA (Hosein, P.)
Abstract	We consider the downlink of an Orthogonal Frequency Division Multiple Access (OFDMA) network. OFDMA transmission technology will be used in the next generation of wireless networks such as the LTE (Long Term Evolution) and WiMAX wireless standards. In such a channel, multiple User Equipments (UE) may each be allocated multiple Resource Blocks (RBs) in each frame. A RB is a collection of subcarriers spanned over all symbols that are available for data transmission. For each UE we assign a utility function that depends on the UE's average throughput. Such a function can be used to achieve specified Quality of Service (QoS) guarantees of the UE. We are concerned with the optimal allocation of power and bandwidth in each sector with the objective of maximizing the sum utility over all UEs in all sectors. Note that since we are considering sector-wide performance then the influence of intersector interference is also taken into account. In general, this problem is intractable and so we focus on the two-sector case. We determine an upper bound on performance for any set of utility functions and for any strategy for scheduling, power control and interference management. This bound can therefore be used to evaluate the optimality of any particular strategy.
Starting Page	1376
Ending Page	1380
File Size	262149
Page Count	5
File Format	PDF
ISBN	9781424451227
e-ISBN	9781424451234
DOI	10.1109/PIMRC.2009.5449751
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-13
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Downlink Quality of service Interference Frequency conversion Next generation networking Wireless networks Long Term Evolution WiMAX Resource management Data communication
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
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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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