Dedicated Carrier Deployment in Heterogeneous Networks with Inter-site Carrier Aggregation

Hua Wang, Claudio Rosa, Klaus I. Pedersen

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15 Citationer (Scopus)
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Heterogeneous networks (HetNets) have been extensively discussed in 3GPP to further enhance the system throughput of traditional well-planned macrocell deployment. In this paper, we consider a HetNet scenario consisting of macro eNBs and low-power nodes implemented as remote radio heads (RRHs) or picos with dedicated carrier deployment. Collaborative inter-site carrier aggregation (CA) is proposed in scenarios with macro+RRH deployment to make an efficient use of the fragmented spectrum from multiple cells. While in scenarios with macro+pico deployment, UEs can only connect to either the macrocell or the picocell using simple cell range expansion (RE). Extensive system-level simulations have been conducted to investigate the performance gains that can be achieved with inter-site CA under different traffic models and user distributions. Results show that using inter-site CA between the macrocell and the small cell obviously offers higher throughput due to larger bandwidth accessibility for the terminals, especially in low load.
TitelWireless Communications and Networking Conference (WCNC), 2013 IEEE
Antal sider5
Sider756 - 760
ISBN (Trykt)978-1-4673-5938-2
ISBN (Elektronisk)978-1-4673-5937-5
StatusUdgivet - 2013
BegivenhedIEEE Wireless Communications and Networking Conference - Shanghai, Kina
Varighed: 7 apr. 201310 apr. 2013


KonferenceIEEE Wireless Communications and Networking Conference
NavnI E E E Wireless Communications and Networking Conference. Proceedings

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