Capacity comparison for CSG and OSG OFDMA femtocells

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

*此作品的通信作者

研究成果: Conference contribution同行評審

2 引文 斯高帕斯(Scopus)

摘要

The low-power and low-cost femtocells can improve indoor coverage and capacity. However, when femtocells are deployed extensively, the serious two-tier interference problem occurs. The method to access the femtocell is the key to manage the interference in the femtocell systems. In this paper, we investigate the impacts of access methods and directional antenna on link reliability and capacity for the orthogonal frequency-division multiple access (OFDMA)-based femtocell systems. Simulation results show that the open access method can improve the femtocell capacity over the traditional closed access method. Nevertheless, under the link reliability requirement of indoor and outdoor users, the improvement in femtocell capacity due to open access method is minor. Thanks to the narrow-beam pattern, the switched-beam directional antenna can be used to further reduce the interference and enhance the capacity. It is shown that the open access method using the switched-beam antenna can achieve higher femtocell capacity than that using the omnidirectional antenna.

原文English
主出版物標題2010 IEEE Globecom Workshops, GC'10
發行者IEEE
頁面653-658
頁數6
ISBN(列印)9781424488650
DOIs
出版狀態Published - 2010
事件2010 IEEE Globecom Workshops, GC 2010 - Miami, United States
持續時間: 5 12月 201010 12月 2010

出版系列

名字2010 IEEE Globecom Workshops, GC'10

Conference

Conference2010 IEEE Globecom Workshops, GC 2010
國家/地區United States
城市Miami
期間5/12/1010/12/10

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