Interference management using cognitive base-stations for UMTS LTE
- 12 August 2011
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Communications Magazine
- Vol. 49 (8), 152-159
- https://doi.org/10.1109/mcom.2011.5978429
Abstract
In this article we demonstrate the benefits of developing cognitive base-stations in a UMTS Long Term Evolution (LTE) network. Two types of cognitive base-stations are considered: the macro-cell evolved-NodeB (eNB) and the femtocell Home evolved NodeBs (HeNB). In the context of an isolated cell or a multi-cell LTE network, the insufficiency of traditional interference management schemes is shown. Implementation of cognitive tasks such as radio scene analysis and dynamic resource access are then introduced. We argue that such cognitive basestations can exploit their knowledge of the radio scene to intelligently allocate resources and to mitigate prohibitive Co-Channel Interference (CCI). Given the distributed architecture of LTE networks, we will elaborate on cognitive interference mitigation solutions and further propose two different Game Theoretical mechanisms to achieve CCI mitigation in a distributed manner.Keywords
This publication has 7 references indexed in Scilit:
- Coalition Formation for Bearings-Only Localization in Sensor Networks—A Cooperative Game ApproachIEEE Transactions on Signal Processing, 2010
- Coalitional game theory for communication networksIEEE Signal Processing Magazine, 2009
- Cognitive interference management in 3G femtocellsPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2009
- Decentralized dynamic spectrum access for cognitive radios: cooperative design of a non-cooperative gameIEEE Transactions on Communications, 2009
- SNR Walls for Signal DetectionIEEE Journal of Selected Topics in Signal Processing, 2008
- Spectrum sharing for unlicensed bandsIEEE Journal on Selected Areas in Communications, 2007
- Correlated Equilibrium as an Expression of Bayesian RationalityEconometrica, 1987