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Downlink scheduling in CDMA data networks

Published: 01 August 2000 Publication History

Abstract

Packet data is expected to dominate third generation wireless networks, unlike current generation voice networks. This opens up new and interesting problems. Physical and link layer issues have been studied extensively, while resource allocation and scheduling issues have not been addressed satisfactorily.
In this work, we address resource management on the downlink of CDMA packet data networks. Network performance (for example, capacity) has been addressed, but user centric performance has not received much attention. Recently, various non-traditional scheduling schemes based on new metrics have been proposed, and target user performance (mostly without reference to wireless). We adapt these metrics to the CDMA context, and establish some new results for the offline scheduling problem. In addition, we modify a large class of online algorithms to work in our setup and conduct a wide range of experiments. Based on detailed simulations, we infer that:
Algorithms which exploit “request sizes” seem to outperform those that do not. Among these, algorithms that also exploit channel conditions provide significantly higher network throughput.
Depending on continuous or discretized bandwidth conditions, either pure time multiplexing or a combination of time and code multiplexing strikes an excellent balance between user satisfaction and network performance.
Discrete bandwidth conditions can lead to degraded user level performance without much impact on network performance. We argue that the discretization needs to be fine tuned to address this shortcoming.

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Cited By

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  • (2011)Performance analysis and simulation of packet scheduling algorithms in a femtocell environmentProceedings of the 44th Annual Simulation Symposium10.5555/2048370.2048383(95-99)Online publication date: 3-Apr-2011
  • (2011)Packet Scheduling and Traffic Differentiation in Femtocell EnvironmentIEICE Transactions on Communications10.1587/transcom.E94.B.3018E94-B:11(3018-3025)Online publication date: 2011
  • (2011)Radio resource management and packet scheduling in femtocell networks2011 International Symposium of Modeling and Optimization of Mobile, Ad Hoc, and Wireless Networks10.1109/WIOPT.2011.5930058(428-433)Online publication date: May-2011
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Published In

cover image ACM Conferences
MobiCom '00: Proceedings of the 6th annual international conference on Mobile computing and networking
August 2000
300 pages
ISBN:1581131976
DOI:10.1145/345910
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 01 August 2000

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MobiCom '00 Paper Acceptance Rate 28 of 226 submissions, 12%;
Overall Acceptance Rate 440 of 2,972 submissions, 15%

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Cited By

View all
  • (2011)Performance analysis and simulation of packet scheduling algorithms in a femtocell environmentProceedings of the 44th Annual Simulation Symposium10.5555/2048370.2048383(95-99)Online publication date: 3-Apr-2011
  • (2011)Packet Scheduling and Traffic Differentiation in Femtocell EnvironmentIEICE Transactions on Communications10.1587/transcom.E94.B.3018E94-B:11(3018-3025)Online publication date: 2011
  • (2011)Radio resource management and packet scheduling in femtocell networks2011 International Symposium of Modeling and Optimization of Mobile, Ad Hoc, and Wireless Networks10.1109/WIOPT.2011.5930058(428-433)Online publication date: May-2011
  • (2011)Downlink data transmission scheduling algorithms in wireless networksSimulation Modelling Practice and Theory10.1016/j.simpat.2010.11.01019:6(1427-1444)Online publication date: Jun-2011
  • (2011)Support of mobile TV over an HSPA networkBell Labs Technical Journal10.1002/bltj.2050816:2(153-168)Online publication date: 1-Sep-2011
  • (2010)QoS and Channel-Aware Packet Bundling for Capacity Improvement in Cellular NetworksIEEE Transactions on Vehicular Technology10.1109/TVT.2010.206220259:8(3886-3901)Online publication date: Oct-2010
  • (2010)Power assignment and transmission scheduling in wireless networks2010 IEEE International Symposium on Parallel & Distributed Processing, Workshops and Phd Forum (IPDPSW)10.1109/IPDPSW.2010.5470777(1-8)Online publication date: Apr-2010
  • (2010)A Coordinated Location-dependent Downlink Scheduling Scheme in Cellular TD-CDMA Networks with Partitioned CellsWireless Personal Communications: An International Journal10.1007/s11277-009-9680-953:4(481-502)Online publication date: 1-Jun-2010
  • (2010)QoS provisioning for multiple non-real-time services in cellular wireless networksWireless Communications and Mobile Computing10.1002/wcm.93611:10(1392-1405)Online publication date: 10-Feb-2010
  • (2008)Improving TCP/IP Performance over Third-Generation Wireless NetworksIEEE Transactions on Mobile Computing10.1109/TMC.2007.707377:4(430-443)Online publication date: 1-Apr-2008
  • Show More Cited By

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