Dissertation
Dissertation > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Antenna > Antenna: zoning > Mobile communications antenna

Research on the LTE Antenna Applied in 4G Communication

Author WanKang
Tutor ZhangYeRong
School Nanjing University of Posts and Telecommunications
Course Electromagnetic Field and Microwave Technology
Keywords 4G LTE Miniaturization Multi-bands Broadband
CLC TN828.6
Type Master's thesis
Year 2012
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Along with the large-scale domestic construction of 3G network and the introduction of the international LTE(Long Term Evolution) and WiMAX(Worldwide Interoperability for Microwave Access), the mobile communication system is moving toward 4G era and the mobile phone as a web entertainment terminal. The cell phone antenna as an important part of mobile terminal restricts the performance of wireless transmission. Based on it, this study focuses on developing the LTE antenna applicable to 4G communication.The thesis introduces the basics of antenna design as well as two main types of built-in antenna: Planar Inverted F antenna and Planar Monopole Antenna, analyzes the features on each type and then sums up on antenna miniaturization, multi-bands and broadband technology at home and abroad.Two kinds of built-in antenna are designed for applying to 4G communication, covering over LTE (LTE700/2300/2500)and five WWAN bands (GSM850/900/1800/1900/UMTS).The frequency bandwidth is divided into low frequency part (698MHz ~960MHz) and high-frequency part (1710MHz ~ 2700MHz) to achieve a seamless broadband communication. The testing on samples proves the effectiveness of the design and concludes the related parameters on the antenna performance. At the end, a summary on this study is made for orienting the follow-up studies.

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