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- Publisher Website: 10.1109/GLOCOM.2011.6134295
- Scopus: eid_2-s2.0-84857231077
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Conference Paper: A stochastic-geometry approach to coverage in cellular networks with multi-cell cooperation
Title | A stochastic-geometry approach to coverage in cellular networks with multi-cell cooperation |
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Authors | |
Issue Date | 2011 |
Citation | GLOBECOM - IEEE Global Telecommunications Conference, 2011 How to Cite? |
Abstract | Multi-cell cooperation is a promising approach for mitigating inter-cell interference in dense cellular networks. Quantifying the performance of multi-cell cooperation is challenging as it integrates physical-layer techniques and network topologies. For tractability, existing work typically relies on the over-simplified Wyner-type models. In this paper, we propose a new stochastic- geometry model for a cellular network with multi-cell cooperation, which accounts for practical factors including the irregular locations of base stations (BSs) and the resultant path-losses. In particular, the proposed network-topology model has three key features: i) the cells are modeled using a Poisson random tessellation generated by Poisson distributed BSs, ii) multi-antenna BSs are clustered using a hexagonal lattice and BSs in the same cluster mitigate mutual interference by spatial interference avoidance, iii) BSs near cluster edges access a different sub- channel from that by other BSs, shielding cluster-edge mobiles from strong interference. Using this model and assuming sparse scattering, we analyze the shapes of the outage probabilities of mobiles served by cluster-interior BSs as the average number K of BSs per cluster increases. The outage probability of a mobile near a cluster center is shown to be proportional to e -c(2-√ν)2K where ν is the fraction of BSs lying in the interior of clusters and c is a constant. Moreover, the outage probability of a typical mobile is proved to scale proportionally with e -c′(1-√ν)2K where c′ is a constant. © 2011 IEEE. |
Persistent Identifier | http://hdl.handle.net/10722/194345 |
DC Field | Value | Language |
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dc.contributor.author | Huang, K | - |
dc.contributor.author | Andrews, JG | - |
dc.date.accessioned | 2014-01-30T03:32:28Z | - |
dc.date.available | 2014-01-30T03:32:28Z | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | GLOBECOM - IEEE Global Telecommunications Conference, 2011 | - |
dc.identifier.uri | http://hdl.handle.net/10722/194345 | - |
dc.description.abstract | Multi-cell cooperation is a promising approach for mitigating inter-cell interference in dense cellular networks. Quantifying the performance of multi-cell cooperation is challenging as it integrates physical-layer techniques and network topologies. For tractability, existing work typically relies on the over-simplified Wyner-type models. In this paper, we propose a new stochastic- geometry model for a cellular network with multi-cell cooperation, which accounts for practical factors including the irregular locations of base stations (BSs) and the resultant path-losses. In particular, the proposed network-topology model has three key features: i) the cells are modeled using a Poisson random tessellation generated by Poisson distributed BSs, ii) multi-antenna BSs are clustered using a hexagonal lattice and BSs in the same cluster mitigate mutual interference by spatial interference avoidance, iii) BSs near cluster edges access a different sub- channel from that by other BSs, shielding cluster-edge mobiles from strong interference. Using this model and assuming sparse scattering, we analyze the shapes of the outage probabilities of mobiles served by cluster-interior BSs as the average number K of BSs per cluster increases. The outage probability of a mobile near a cluster center is shown to be proportional to e -c(2-√ν)2K where ν is the fraction of BSs lying in the interior of clusters and c is a constant. Moreover, the outage probability of a typical mobile is proved to scale proportionally with e -c′(1-√ν)2K where c′ is a constant. © 2011 IEEE. | - |
dc.language | eng | - |
dc.relation.ispartof | GLOBECOM - IEEE Global Telecommunications Conference | - |
dc.title | A stochastic-geometry approach to coverage in cellular networks with multi-cell cooperation | - |
dc.type | Conference_Paper | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/GLOCOM.2011.6134295 | - |
dc.identifier.scopus | eid_2-s2.0-84857231077 | - |