| Title | An Optical Wireless Communication Based 5G Architecture to Enable Smart City Applications |
|---|---|
| ID_Doc | 36215 |
| Authors | Boubakri, W; Abdallah, W; Boudriga, N |
| Title | An Optical Wireless Communication Based 5G Architecture to Enable Smart City Applications |
| Year | 2018 |
| Published | |
| Abstract | The main objective of smart city is to enable efficient management of resources using advanced information and communication capabilities of the telecommunication infrastructure which requires seamless connectivity between the different components composing the city infrastructure and users. Current communication approaches in smart cities applications are based on radio frequency (RF) transmission technology which cannot satisfy data rate demand and transmission delay requirement of these applications. The 5G mobile communication network is being proposed as the core technology that is able to implement the smart city paradigm. In this context, optical wireless technologies are envisioned by many research communities as a promising solution to provide the needed broadband connectivity and satisfy the quality of service (QoS) requirements of users. The main objective of this paper is to propose a communication architecture that can seamlessly integrate the optical wireless technology in the 5G communication networks to enable smart city applications deployment. The proposed network architecture is structured into three layers integrating different optical wireless technologies. More precisely, we study the deployment of optical access points (OAPs) in specific locations of interest in the city (such as road intersections, lighting systems, and signalling equipment) in order to enhance the performances of the sensing, tracking, and communication services. Furthermore, we propose to integrate a backbone network composed of optical access points which is structured into a grid topology to enable communication using free space optical (FSO) transmission. The optical access points are expected to implement label based all-optical switching capability to forward traffic between optical access points. Moreover, access control using OFDMA are investigated to distribute connectivity between users belonging to the same attocell. Finally, issues related to cell dimensioning, handover management and technology integration are discussed and some alternatives are proposed. |
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