2014
DOI: 10.1109/mcom.2014.6852079
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Energy-efficient user association in cognitive heterogeneous networks

Abstract: Due to the ever increasing data traffic demands, which are directly connected to increased energy consumption, it becomes challenging for operators to achieve capacity enhancement while limiting their electric bill. To that end, exploiting the context awareness of future cognitive networks is expected to play a key role. Next generation cellular networks are about to include a plethora of small cells, with users being able to communicate via multiple bands. Given that small cells are expected to be eventually … Show more

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Cited by 65 publications
(54 citation statements)
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References 4 publications
(5 reference statements)
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“…• Each SC is connected to the core network through the eNB aggregation gateway either directly or through one or more SC aggregation gateways [3]- [5].…”
Section: System Modelmentioning
confidence: 99%
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“…• Each SC is connected to the core network through the eNB aggregation gateway either directly or through one or more SC aggregation gateways [3]- [5].…”
Section: System Modelmentioning
confidence: 99%
“…In this context, user association becomes challenging due to the multi-hop BH architecture [5] and therefore new optimal solutions need to be developed aiming at the joint energy and spectrum efficiency maximization of the network.…”
mentioning
confidence: 99%
“…When the threshold value is reached, a handover procedure is triggered. Many works have focused on handover decisions [11][12][13][14][15][16]. In this paper, user measures RSRP periodically with neighbor eNodeBs.…”
Section: Handover Predictionmentioning
confidence: 99%
“…However, a very dense network is desired in order to provide the capacity increase that is required. Consequently, we need to consider a wireless multi-hop architecture that connects the SCs wirelessly to the eNB site, which typically has already a fiber connection towards the core network [3]. As the BH network in this case may become the bottleneck, the use of higher frequencies where large portion of bandwidth is available (e.g., mmWave) seems to be an appropriate solution.…”
Section: Introductionmentioning
confidence: 99%