Outage Analysis of Integrated Mesh LTE Femtocell Networks

Anthony Busson 1 Lynda Zitoune 2, 3 Véronique Vèque 4 Bijan Jabbari 5
1 DANTE - Dynamic Networks : Temporal and Structural Capture Approach
Inria Grenoble - Rhône-Alpes, LIP - Laboratoire de l'Informatique du Parallélisme, IXXI - Institut Rhône-Alpin des systèmes complexes
4 Division Télécoms et Réseaux - L2S
L2S - Laboratoire des signaux et systèmes : 1289
5 ECE department, Georges Mason University, Fairfax, VA
CNL - Communication and Networking Laboratory
Abstract : Using Wi-Fi with femtocell is a promising approach to solve the problem of inter-tier or intra-tier interference in heterogeneous networks. In our scenario, Wi-Fi femtocells are deployed to form a mesh network (Wi-Fi) which is used by mobile users as an access network to the macro cellular one (e.g., LTE), extending consequently, the coverage to poorly covered areas. We propose a tractable model for coverage/outage to evaluate the benefits of such integration in terms of SINR and received signal strength. Our work is based on point processes in two-dimensional plane that models locations of femtocell/Wi-Fi nodes (also referred to as multimode nodes). The proposed model is more realistic than the classical Poisson point process, as the distribution of points is more homogeneous and it ensures that the nodes are not too close to each other. The derivation of coverage/outage formula allows us to determine operational parameter ranges for the Wi-Fi network to form a mesh network. In addition, it helps in the design of the femtocell network to ensure a suitable coverage for users in terms of SINR and received signal strength.
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Anthony Busson, Lynda Zitoune, Véronique Vèque, Bijan Jabbari. Outage Analysis of Integrated Mesh LTE Femtocell Networks. IEEE Global Communications Conference GLOBECOM 2014, Dec 2014, Austin, United States. pp.1-6, ⟨10.1109/glocom.2014.7036805 ⟩. ⟨hal-00979627⟩

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