Downlink resource management in the frequency domain for multicell OFCDM wireless networks

Riku Jäntti; Seong Lyun Kim

doi:10.1109/TVT.2007.914056

Downlink resource management in the frequency domain for multicell OFCDM wireless networks

Riku Jäntti^*, Seong Lyun Kim

^*Corresponding author for this work

Yonsei University

Research output: Contribution to journal › Article › Scientific › peer-review

Abstract

Recently, various versions of combining code division multiple access (CDMA) with orthogonal frequency-division multiplexing (OFDM) have drawn much attention for IMT-Advanced (4G) and new broadcasting systems. In particular, variable-spreading-factor orthogonal frequency and code multiplexing (OFCDM) and multicarrier CDMA adopt 2-D spreading, i.e., time-domain and frequency-domain spreading. Maeda, Yang and Hanzo, Zheng, and Zhou have mentioned a few strong points of 2-D spreading. However, what is missing in their analysis/simulations is the system-level aspect of 2-D spreading. In particular, we are interested in the following questions: "What are the advantages of frequency-domain spreading in multicell environments?"and "What is the optimal frequency reuse factor in 2-D spreading systems?"Answers to these questions are investigated in this correspondence.

Original language	English
Pages (from-to)	3241-3246
Number of pages	6
Journal	IEEE Transactions on Vehicular Technology
Volume	57
Issue number	5
DOIs	https://doi.org/10.1109/TVT.2007.914056
Publication status	Published - Sept 2008
MoE publication type	A1 Journal article-refereed

Keywords

2-D spreading
Frequency reuse factor
Frequency-domain spreading
Orthogonal frequency and code multiplexing (OFCDM)
Outage probability

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10.1109/TVT.2007.914056

Cite this

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title = "Downlink resource management in the frequency domain for multicell OFCDM wireless networks",

abstract = "Recently, various versions of combining code division multiple access (CDMA) with orthogonal frequency-division multiplexing (OFDM) have drawn much attention for IMT-Advanced (4G) and new broadcasting systems. In particular, variable-spreading-factor orthogonal frequency and code multiplexing (OFCDM) and multicarrier CDMA adopt 2-D spreading, i.e., time-domain and frequency-domain spreading. Maeda, Yang and Hanzo, Zheng, and Zhou have mentioned a few strong points of 2-D spreading. However, what is missing in their analysis/simulations is the system-level aspect of 2-D spreading. In particular, we are interested in the following questions: {"}What are the advantages of frequency-domain spreading in multicell environments?{"}and {"}What is the optimal frequency reuse factor in 2-D spreading systems?{"}Answers to these questions are investigated in this correspondence.",

keywords = "2-D spreading, Frequency reuse factor, Frequency-domain spreading, Orthogonal frequency and code multiplexing (OFCDM), Outage probability",

author = "Riku J{\"a}ntti and Kim, {Seong Lyun}",

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doi = "10.1109/TVT.2007.914056",

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AU - Jäntti, Riku

AU - Kim, Seong Lyun

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KW - Outage probability

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Downlink resource management in the frequency domain for multicell OFCDM wireless networks

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Keywords

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