Stable subchannel allocation for OFDMA femtocells with switched multi-beam directional antennas

Ang Hsun Tsai; Li-Chun Wang; Jane Hwa Huang; Ruey-Bing Hwang

doi:10.1109/GLOCOM.2011.6134172

Stable subchannel allocation for OFDMA femtocells with switched multi-beam directional antennas

Ang Hsun Tsai^*, Li-Chun Wang, Jane Hwa Huang, Ruey-Bing Hwang

^*Corresponding author for this work

Department of Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

10 Scopus citations

Abstract

In this paper, we propose a low-complexity distributed stable subchannel allocation algorithm combined with a low-cost reconfigurable switched multi-beam directional antenna to improve the capacity and the fairness performance for the orthogonal frequencydivision multiple access (OFDMA)-based femtocell systems. With the proposed deferred acceptance algorithm, the stable subchannel allocation scheme can achieve a better tradeoff between capacity and fairness. Numerical results show that the proposed stable subchannel allocation scheme with the switched multi-beam antenna can significantly improve femtocell capacity compared to the traditional user-oriented subchannel allocation scheme and ensure the fairness as compared to the traditional channel-oriented subchannel allocation scheme.

Original language	English
Title of host publication	2011 IEEE Global Telecommunications Conference, GLOBECOM 2011
DOIs	https://doi.org/10.1109/GLOCOM.2011.6134172
State	Published - 1 Dec 2011
Event	54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011 - Houston, TX, United States Duration: 5 Dec 2011 → 9 Dec 2011

Publication series

Name	GLOBECOM - IEEE Global Telecommunications Conference

Conference

Conference	54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011
Country	United States
City	Houston, TX
Period	5/12/11 → 9/12/11

Keywords

Femtocell
OFDMA
capacity fairness
channel-oriented subchannel allocation
stable subchannel allocation
switched multi-beam directional antenna
two-tier interference
user-oriented subchannel allocation

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title = "Stable subchannel allocation for OFDMA femtocells with switched multi-beam directional antennas",

abstract = "In this paper, we propose a low-complexity distributed stable subchannel allocation algorithm combined with a low-cost reconfigurable switched multi-beam directional antenna to improve the capacity and the fairness performance for the orthogonal frequencydivision multiple access (OFDMA)-based femtocell systems. With the proposed deferred acceptance algorithm, the stable subchannel allocation scheme can achieve a better tradeoff between capacity and fairness. Numerical results show that the proposed stable subchannel allocation scheme with the switched multi-beam antenna can significantly improve femtocell capacity compared to the traditional user-oriented subchannel allocation scheme and ensure the fairness as compared to the traditional channel-oriented subchannel allocation scheme.",

keywords = "Femtocell, OFDMA, capacity fairness, channel-oriented subchannel allocation, stable subchannel allocation, switched multi-beam directional antenna, two-tier interference, user-oriented subchannel allocation",

author = "Tsai, {Ang Hsun} and Li-Chun Wang and Huang, {Jane Hwa} and Ruey-Bing Hwang",

year = "2011",

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doi = "10.1109/GLOCOM.2011.6134172",

language = "English",

isbn = "9781424492688",

series = "GLOBECOM - IEEE Global Telecommunications Conference",

booktitle = "2011 IEEE Global Telecommunications Conference, GLOBECOM 2011",

note = "null ; Conference date: 05-12-2011 Through 09-12-2011",

}

Tsai, AH, Wang, L-C, Huang, JH & Hwang, R-B 2011, Stable subchannel allocation for OFDMA femtocells with switched multi-beam directional antennas. in 2011 IEEE Global Telecommunications Conference, GLOBECOM 2011., 6134172, GLOBECOM - IEEE Global Telecommunications Conference, 54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011, Houston, TX, United States, 5/12/11. https://doi.org/10.1109/GLOCOM.2011.6134172

Stable subchannel allocation for OFDMA femtocells with switched multi-beam directional antennas. / Tsai, Ang Hsun; Wang, Li-Chun; Huang, Jane Hwa; Hwang, Ruey-Bing.

2011 IEEE Global Telecommunications Conference, GLOBECOM 2011. 2011. 6134172 (GLOBECOM - IEEE Global Telecommunications Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - Stable subchannel allocation for OFDMA femtocells with switched multi-beam directional antennas

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AU - Huang, Jane Hwa

AU - Hwang, Ruey-Bing

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N2 - In this paper, we propose a low-complexity distributed stable subchannel allocation algorithm combined with a low-cost reconfigurable switched multi-beam directional antenna to improve the capacity and the fairness performance for the orthogonal frequencydivision multiple access (OFDMA)-based femtocell systems. With the proposed deferred acceptance algorithm, the stable subchannel allocation scheme can achieve a better tradeoff between capacity and fairness. Numerical results show that the proposed stable subchannel allocation scheme with the switched multi-beam antenna can significantly improve femtocell capacity compared to the traditional user-oriented subchannel allocation scheme and ensure the fairness as compared to the traditional channel-oriented subchannel allocation scheme.

AB - In this paper, we propose a low-complexity distributed stable subchannel allocation algorithm combined with a low-cost reconfigurable switched multi-beam directional antenna to improve the capacity and the fairness performance for the orthogonal frequencydivision multiple access (OFDMA)-based femtocell systems. With the proposed deferred acceptance algorithm, the stable subchannel allocation scheme can achieve a better tradeoff between capacity and fairness. Numerical results show that the proposed stable subchannel allocation scheme with the switched multi-beam antenna can significantly improve femtocell capacity compared to the traditional user-oriented subchannel allocation scheme and ensure the fairness as compared to the traditional channel-oriented subchannel allocation scheme.

KW - Femtocell

KW - OFDMA

KW - capacity fairness

KW - channel-oriented subchannel allocation

KW - stable subchannel allocation

KW - switched multi-beam directional antenna

KW - two-tier interference

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Stable subchannel allocation for OFDMA femtocells with switched multi-beam directional antennas

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