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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhang, Jun Tian, Hui |
| Abstract | Femtocells have been considered as a cost-effective solution to unload traffic from already overburdened macrocell networks in 4G cellular networks. The severe interference in spectrum-sharing macro and femto networks may cause User-equipment (UE) to experience outage. We derive an utmost isotropic Spatial Poisson point process (SPPP) density for Femtocell access points (FAPs) under the UEs’ outage constraints. Based on the derived isotropic SPPP density, we propose a distributed transmit probability self-regulation scheme for an FAP to adapt its transmit probability per Transmission time interval (TTI). The scheme adjusts the homogeneous distributed FAPs in practice deployment to the proposed isotropic one. Simulation results show that the derived density can fulfill the outage probability constraints of UEs while accommodating the maximum femtocells. The self-regulation scheme can adapt the femtocell transmit probabilities to provide reliable downlink service, for even a large number of femtocells per cell site. |
| Starting Page | 824 |
| Ending Page | 831 |
| Page Count | 8 |
| ISSN | 10224653 |
| Volume Number | 24 |
| e-ISSN | 20755597 |
| Issue Number | Issue 4, Oct (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/cje/24/4 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/cje.2015.10.027 |
| Journal | Chinese Journal of Electronics |
| Publisher Date | 2015-10-01 |
| Access Restriction | Open |
| Rights Holder | © Chinese Institute of Electronics |
| Subject Keyword | 4G Cellular Networks 4G Mobile Communication Distributed Transmit Probability Self-regulation Scheme Electromagnetic Compatibility Femtocell Access Point Femtocellular Network Femtocellular Radio Homogeneous Distributed FAPs Interference Isotropic Spatial Poisson Point Process Isotropic SPPP Model Mobile Radio System Outage Probability Constraint Overburdened Macrocellular Network Probability Radio Frequency Interference Radio Spectrum Management Spectrum-sharing Femtocellular Network Spectrum-sharing Macrocellular Network Statistics Stochastic Linearised SCUC Telecommunication Traffic Transmit Probability Per Transmission Time Interval TTI UE Outage Constraint User-equipment |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Electrical and Electronic Engineering |
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