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Computational analysis and efficient algorithms for micro and macro OFDMA downlink scheduling

Published: 01 February 2010 Publication History

Abstract

Orthogonal frequency-division multiple access (OFDMA) is one of the most important modulation and access methods for the future mobile networks. Before transmitting a frame on the downlink, an OFDMA base station has to invoke an algorithm that determines which of the pending packets will be transmitted, what modulation should be used for each of them, and how to construct the complex OFDMA frame matrix as a collection of rectangles that fit into a single matrix with fixed dimensions. We propose efficient algorithms, with performance guarantee, that solve this intricate OFDMA scheduling problem by breaking it down into two subproblems, referred to as macro and micro scheduling. We analyze the computational complexity of these subproblems and develop efficient algorithms for solving them.

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Cited By

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  • (2019)Effective Periodic Feedback CSI Channel Allocation Under Possible Circumstances in Modern Broadband Wireless NetworksWireless Personal Communications: An International Journal10.1007/s11277-018-6073-y104:3(1133-1148)Online publication date: 1-Feb-2019
  • (2015)Efficient allocation of periodic feedback channels in broadband wireless networksIEEE/ACM Transactions on Networking (TON)10.1109/TNET.2014.229805223:2(426-436)Online publication date: 1-Apr-2015
  • (2015)Joint scheduling and fast cell selection in OFDMA wireless networksIEEE/ACM Transactions on Networking (TON)10.1109/TNET.2013.229129523:1(114-125)Online publication date: 1-Feb-2015
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Information & Contributors

Information

Published In

cover image IEEE/ACM Transactions on Networking
IEEE/ACM Transactions on Networking  Volume 18, Issue 1
February 2010
332 pages

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IEEE Press

Publication History

Published: 01 February 2010
Revised: 20 November 2008
Received: 25 December 2007
Published in TON Volume 18, Issue 1

Author Tags

  1. orthogonal frequency-division multiple access (OFDMA)
  2. scheduling
  3. wireless

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View all
  • (2019)Effective Periodic Feedback CSI Channel Allocation Under Possible Circumstances in Modern Broadband Wireless NetworksWireless Personal Communications: An International Journal10.1007/s11277-018-6073-y104:3(1133-1148)Online publication date: 1-Feb-2019
  • (2015)Efficient allocation of periodic feedback channels in broadband wireless networksIEEE/ACM Transactions on Networking (TON)10.1109/TNET.2014.229805223:2(426-436)Online publication date: 1-Apr-2015
  • (2015)Joint scheduling and fast cell selection in OFDMA wireless networksIEEE/ACM Transactions on Networking (TON)10.1109/TNET.2013.229129523:1(114-125)Online publication date: 1-Feb-2015
  • (2013)Efficient scheduling algorithms for mixed services in wireless OFDMA systemTelecommunications Systems10.1007/s11235-011-9476-652:4(1945-1960)Online publication date: 1-Apr-2013

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