Performance Analysis of Listen Before Talk Based Coexistence Scheme Over the Unlicensed Spectrum in the Scenario With Multiple LTE Small Bases | Zendy

Errong Pei | Zendy; Deyue Meng | Zendy; Lu Li | Zendy; Peng Zhang | Zendy

Open Access

Performance Analysis of Listen Before Talk Based Coexistence Scheme Over the Unlicensed Spectrum in the Scenario With Multiple LTE Small Bases

Author(s) -

Errong Pei,

Deyue Meng,

Lu Li,

Peng Zhang

Publication year - 2017

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2017.2715042

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

This paper proposes an analytical model to evaluate the performance of the listen before talk (LBT) based coexistence scheme in the scenario with multiple LTE small bases (SBSs) over the unlicensed spectrum. Based on the proposed model, we further derive the expressions of the occupancy time of the LTE/Wi-Fi/access overhead and the collision probability. It is shown from numerical results that the LBT-based coexistence scheme is not fair enough for the Wi-Fi system in the coexistence scenario with multiple LTE SBSs, and thus the number of LTE SBSs and the length of the LTE frame should be carefully designed to protect the Wi-Fi system.

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