NDLI: Packet scheduling for MIMO cellular systems

Content Provider	IEEE Xplore Digital Library
Author	Oh-Soon Shin Kwang Bok Lee
Copyright Year	2003
Description	Author affiliation: Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., South Korea (Oh-Soon Shin; Kwang Bok Lee)
Abstract	Packet scheduling is investigated for the downlink of a multiple-input multiple-output (MIMO) cellular system. The conventional round robin scheduling (RRS) scheme does not utilize the benefits of multiuser environments, although it provides fair channel access chance to users. We propose an antenna-assisted round robin scheduling (AA-RRS) scheme to improve the conventional RRS scheme. The AA-RRS scheme provides fair channel access chance to users as the RRS scheme, whereas it increases the system capacity through the effective use of multiple antennas in achieving a diversity effect from multiple users. Computer simulations are conducted to compare the RRS and AA-RRS schemes in terms of the expected and outage capacities. It is shown that the AA-RRS scheme provides significant capacity gain over the RRS scheme, especially in terms of the outage capacity. We also discuss the effects of power control, signal-to-noise ratio (SNR), and spatial correlation on the system capacities.
Starting Page	1694
Ending Page	1698
File Size	358631
Page Count	5
File Format	PDF
ISBN	0780377575
ISSN	10903038
DOI	10.1109/VETECS.2003.1207112
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-04-22
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scheduling algorithm MIMO Round robin Processor scheduling Downlink Computer simulation Power control Signal to noise ratio Computer science Communication systems
Content Type	Text
Resource Type	Article

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