Efficient resource management in OFDMA Femto cells
- 18 May 2009
- conference paper
- conference paper
- Published by Association for Computing Machinery (ACM)
Abstract
Femto cells are a cost-effective means of providing ubiquitous connectivity in future broadband wireless networks. While their primary purpose has been to improve coverage in current solutions, their decreased cell sizes in turn also provide improved cell capacity through increased spatial reuse. The demand for bandwidth-intensive IP services will soon necessitate the need to tap into this improved capacity. However, the lack of direct coordination between the macro and femto cells, and the completely distributed nature of femto cells make this an extremely challenging task. In this work, we address this challenge by providing efficient resource management solutions for OFDMA-based femto cells along with performance guarantees. In the process, we consider two models that tradeoff performance and overhead. We also propose a novel location-based resource management solution for leveraging maximal spatial reuse from femto cells. Our comprehensive evaluations indicate that in addition to providing improved coverage indoors, with carefully designed resource management solutions that leverage spatial reuse, femto cells have a great potential to increase the system performance by two folds.Keywords
This publication has 6 references indexed in Scilit:
- Uplink capacity and interference avoidance for two-tier femtocell networksIEEE Transactions on Wireless Communications, 2009
- Performance of Macro- and Co-Channel Femtocells in a Hierarchical Cell StructurePublished by Institute of Electrical and Electronics Engineers (IEEE) ,2007
- Medium Access Control protocols for ad hoc wireless networks: A surveyAd Hoc Networks, 2006
- Rate performance objectives of multihop wireless networksIEEE Transactions on Mobile Computing, 2004
- CDMA-based MAC protocol for wireless ad hoc networksPublished by Association for Computing Machinery (ACM) ,2003
- A power control MAC protocol for ad hoc networksPublished by Association for Computing Machinery (ACM) ,2002