Capacity enhancement in indoor environment by hybrid combiner circuit of multinetworks operator

Sarnin, Suzi Seroja; Mohamad, Wan Norsyafiza W; Yusof, Mohd Yusdee; Abdul Kadir, Ros Shilawani S; Tan, Mohd Nor Mad; Azlan, Norsinnira Zainul; Zamani, Zarina Baharudin

doi:10.22075/ijnaa.2021.5546

Capacity enhancement in indoor environment by hybrid combiner circuit of multinetworks operator

Document Type : Research Paper

Authors

Suzi Seroja Sarnin ¹

Wan Norsyafiza W Mohamad ¹

Mohd Yusdee Yusof ¹

Ros Shilawani S Abdul Kadir ¹

Mohd Nor Mad Tan ¹

Norsinnira Zainul Azlan ²

Zarina Baharudin Zamani ³

¹ School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia

² Department of Mechatronics Engineering, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100 Kuala Lumpur, Malaysia

³ Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia

10.22075/ijnaa.2021.5546

Abstract

This study focuses on providing a solution for a mobile service provider with Multi Network Operators (MNOs) to provide an excellent service attended by thousands of Mobile Subscribers (MS) at Nasional Bukit Jalil Kuala Lumpur Stadium in Malaysia using a single multi-beam antenna via a hybrid circuit. The Hybrid Combiner (HC) is the solution used to combine multiple MNOs in order to minimize space and cost while maintaining the aesthetic value of the national stadium. During a significant incident, MS users may encounter difficulties accessing the service due to network congestion. In this case, MNOs will need to add capacity to meet the demand for data transmission and voice call transactions. In the current situation, MS users have received poor service because they are unable to connect to the internet or make phone calls while attending a major event at a stadium. MS users will be able to access the network and enjoy live feeds via Facebook (FB) and other software applications without delay or interruption, as well as voice call congestion, following the implementation of the proposed solution. Using the Planning Methods, the results of the proposed solution will be compared to the results of the Walk Test and the coverage simulation analysis. Data statistics obtained from MNOs will explain the solution’s effectiveness in terms of signal quality level, with the Signal to Noise Ratio (SINR) recorded at -95 dBm below the threshold of -85 dBm to prevent interference with MS users. The Resource Block (RB) Utilization shows that all sectors are utilized at less than 70% of total available capacity, indicating that the congestion level is manageable and MS users can access the network without interruption. A key factor in the proposed study, known as Hybrid Combiner Circuit of Multi Network Operator for Capacity Enhancement Solution in Indoor Environment, is fast deployment, low maintenance, and a shared solution between MNOs.

Keywords

Mobile network operator(MNOs)

In-Building coverage (IBC)

Multibeam antenna system (MAS) and Multibeam RF antenna

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