Phase Synchronization Impact on Throughput Performance in LTE Network

Author(s):  
Rajesh P. ◽  
Madhusudana C.K. ◽  
Prakash Nagarajan ◽  
Rakesh Hanumantha

This paper presents a study of phase synchronization impact on throughput in Long Term Evolution (LTE) network with different transport protocols. Phase synchronization is needed for advanced features in LTE and other precise technologies with minimal clock error of Nano seconds. An End to End LTE testing environment is built by using real User Equipment (UE) and LTE core network for studying the throughput impact due to Phase Synchronization in different transport modes. This experimentation is carried out for comparing the throughput of the system with Frequency Synchronization Mode (FM) and Frequency & Phase synchronization Mode (FPM). A novel study has been conducted on throughput for TCP and UDP traffic in different LTE bandwidths, based on real traffic conditions. The study shows that system performance in Uplink (UL) and Downlink (DL) throughput has improved by using Frequency along with Phase synchronization in LTE network using GPS as a clock source.

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Fu Yanbo

The trend of mobile, broadband and IP is becoming more and more prominent. Mobile communication technology is now in acritical period in the evolution of network technology. As such, LTE (Long Term Evolution) comes to light. LTE serves as a unified standardfor the new generation of mobile communications, equipped with high spectral efficiency, high peak rate, high mobility, flat networkarchitecture and other advantages. Huawei has played a very important role in the commercialization of LTE. As a sponsor of NGMN,Huawei has been actively involved in the research of some key projects of NGMN, such as network self-optimization, system architectureand Network performance evaluation and so on. This paper mainly introduces the problems encountered in the optimization of LTEnetwork coverage, the practical problems encountered by the LTE project team in Qingdao and the analysis and solutions to the problems.At the same time, this paper discusses in detail on the LTE network optimization process.


Author(s):  
Muhammad Azhar ◽  
Zein Hanni Pradana ◽  
Ade Wahyudin

Pelayanan telekomunikasi sangat berperan penting dalam kehidupan modern. Perkembangan Teknologi LTE dikota sangat besar. Selaku Operator Memerlukan adanya backhaul yang handal namun juga efisien dari transmisi maupun dari segi kapasitas. Backhaul  adalah  suatu jalur  yang menghubungkan dari suatu Base Station ke Base  Station lain atau dari suatu Base Station ke core network untuk mengambil trafik dari Base Station tersebut.Pada Penelitian ini Membahas tentang analisa perencanaan backhaul untuk jaringan Long term Evolution di kota Yogyakarta. Dengan menggunakan Microwave sebagai teknologi Backhaul. Penelitian ini membahas Mengenai Perencanaan jaringan Long Term Evolution dengan Frekuensi 1800 MHz agar dapat Mengakomodasi Trafik di kota Yogyakarta dengan Menggunakan Perencanaan Capacity Maupun Coverage.  Pada hasil perencanaan Jaringan Long Term Evolution menggunakan Frekuensi 1800 MHz  Nilai Rereference Signal Receive Power (RSRP)  didapat dari hasil simulasi  dari Parameter Long Term Evolutin adalah adalah  rata-rata sebesar -75.66 dBm Sedangkan Pada Perencanaan Backhaul Menggunakan Teknologi Microwave diperoleh rata-rata daya terima >-78 dBm dan nilai Availability >99,999% untuk link dibawah  jarak <1,7km. Sehingga dapat diambil Kesimpulan Bahwa Backhaul Dengan Teknologi Microwave Pada penelitian ini bekerja dengan baik dan Optimal. dapat menghubungkan Jaringan LTE di Kota Yogyakarta dengan Jarak <1,7 km. Perencanaan ini dilakukan menggunakan atoll 3.3.


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