5G Cache and Transmission Performance Improvement – The Case of Facebook Content Deliver

• Main Authors: TSAI, WEN-JU, 蔡汶儒
• Other Authors: WEN,YEAN-FU
• Format: Others
• Language: zh-TW
• Published: 2018
• Online Access: http://ndltd.ncl.edu.tw/handle/vbgtzw

碩士 === 國立臺北大學 === 資訊管理研究所 === 106 === With the coming of 5G network, the data transmission speed will be faster and faster. Although the data transmission speed is fast, the transmission distance of 5G is short. To solve the problem, we can let the density of the base stations become denser. This study takes Facebook content delivery as an example that the system has already generated the web parts to be delivered to the mobile device according to the user account. The base station waits for the device to access the data by knowing the information about the device and the data. However, the base station possesses limited cache space, and the data requested by the device is often larger than the cache space in the base station. Therefore, how to choose which data to put in the base station cache space is an important issue when the amount of data is unlimited. This study compares two caches method - one is only store the cache in its own base station and the other is cooperates with neighboring base stations ,decide put the cache in its own base station or put the cache in neighboring base stations. It can be proved through experimental simulation that if the conditional selection of data is cached at its own base station or cooperated with neighboring base stations to obtain data, it can be improved data hit rate.