Efficient Algorithms for Resource Allocation in Heterogeneous OFDMA Networks
Bashar, S.
Zhi Ding
Dept. of Electr. & Comput. Eng., Univ. of California, Davis, CA;
This paper appears in: Global Telecommunications Conference, 2008. IEEE GLOBECOM 2008. IEEE
Publication Date: Nov. 30 2008-Dec. 4 2008
On page(s): 1-5
Location: New Orleans, LO,
ISSN: 1930-529X
ISBN: 978-1-4244-2324-8
INSPEC Accession Number: 10414286
Digital Object Identifier: 10.1109/GLOCOM.2008.ECP.1007
Current Version Published: 2008-12-08
Abstract
We consider a heterogeneous multiuser OFDMA wireless network serving both QoS-constrained high-priority users and best-effort users. We propose several efficient algorithms for subcarrier/cluster and power allocation. Our strategy is to maximize the total network utility of the best-effort user while satisfying the high-priority users. We define the best-effort user utility function in two different ways and propose two different novel, efficient and optimal cluster allocation algorithms. We also propose an efficient and optimal power allocation algorithm based on the modification of existing algorithms.
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