无线通信技术热点及其发展趋势-毕业论文

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1、 无线通信技术热点及其发展趋势无线通信技术热点及其发展趋势 摘要 短短几十年的发展， 我国的无线通信产业已经发展到第三代和第四代移动通信 技术，多种无线通信技术都得到了广泛的应用。现阶段，无线通信领域主要包括 3G、TD-LTE-Advanced、UWB、Wi-Fi、RFID 等几大技术热点。本文首先介绍了 无线通信技术的发展历程和特点，然后主要针对我国具有自主知识产权的 TD-LTE-Advanced 技术的产生及其特点进行了简要的分析。 TD-LTE-Advanced 作为 TD-SCDMA 技术的演进，它吸纳了 TD-SCDMA 的主 要技术元素，体现了我国通信产业界在宽带无线移动通信领

2、域的最新自主创新成 果。与第三代移动通信系统采用 CDMA 技术不同，TD-LTE 采用 OFDM 和 MIMO 作为基本技术，大量采用了目前移动通信领域最先进的技术和设计理念。 关键词：无线通信，3G，LTE，TD-LTE-Advanced Hot Spots in Wireless Communication Technology and its Tendency of Development Abstract By only a few decades of development,the wireless industry in China has grown to the third

3、 and the fourth generation mobile communication technology and a variety of wireless communication technology have been widely used. At present, the hot spots in wireless communication technology is mainly include 3G, TD-LTE-Advanced, UWB, Wi-Fi, RFID,etc.This paper first introduces the development

4、history of wireless communication technology and its characteristics,then it briefly analyse the development process and features of TD-LTE-Advanced,and our country has independent intellectual property rights for this technology. As the evolution of TD-SCDMA Technology, TD-LTE-Advanced is one of the two candidates for next generation mobile communication system (IMT-Advanced). Compared with CDMA technology which is widely adopted by 3G system, TD-LTE introduces OFDM and MIMO as technical basis