Multiple Criteria Decision Making in the Selection of LTE Duplexing Mode

• Main Authors: Fang-YiLiao, 廖芳誼
• Other Authors: Wen-Chi Chen
• Format: Others
• Language: zh-TW
• Published: 2013
• Online Access: http://ndltd.ncl.edu.tw/handle/84607826692132850777

碩士 === 國立成功大學 === 電信管理研究所 === 101 === Taiwan’s mobile telecom market has reached its maturity. With the rapid growth of the demand for data transmission, operators have started to work hard to increase the volume of user’s data transmission. In order to offer better mobile web-surfing service, operators are planning to upgrade their radio network infrastructure, such as LTE (long term evolution) networks. Besides, the NCC (National Communications Commission) had also announced the final plan for 4G (4th generation) license auction. The licenses will be auctioned at the end of 2013. So we can foresee the LTE network deployment is just around the corner. However, in 3GPP (3rd generation partnership project) Release 8, LTE comprises FDD (frequency division duplexing) and TDD (time division duplexing) modes, and both of them have their own strengths and weaknesses. There are three LTE duplexing options for operators: (1) FDD-LTE mode, (2) TDD-LTE mode, and (3) FDD/TDD LTE dual mode. This study will use the multiple criteria decision making method to provide the decision makers with information to understand which LTE network configuration is the most appropriate for them. In the multiple criteria decision making method, we choose simple additive weighting (SAW) method and analytic hierarchy process (AHP) to conduct the research structure. In this research, we first set the LTE duplexing mode selection criteria, and then evaluate criterion outcomes. Furthermore, we use AHP’s expert questionnaire to calculate the weight of each criteria. Finally, we use SAW method to calculate the scores for each alternative project and choose the best one. Besides, we also use sensitivity analysis to enhance the comprehensiveness of this study. According to the results, we find that the best LTE duplexing mode for Taiwan’s 4G systems is FDD-LTE mode. The second best is FDD/TDD LTE mode.