标题: | IEEE 802.16a 无线都会网路传收机设计与效能评估 IEEE 802.16a Transceiver Design and its Performance Evaluation |
作者: | 陈长新 Chang-Hsin Chen 沈文和 Wern-Ho Sheen 电信工程研究所 |
关键字: | 无线都会网路;载波频率偏移估算;保护区间长度估算;取样频率偏移估算;通道估测;码框同步;Wireless-MAN;Frequency Offset Estimation;Cyclic Prefix Estimation;Clock Offset Estimation;Channel Estimation;Frame Synchronization |
公开日期: | 2003 |
摘要: | 正交分频多工(Orthogonal Frequency Division Multiplexing,OFDM)已被认为是实现未来高速资料传输的重要技术;并且,它也成功地被广泛使用在多种应用领域。本论文在IEEE 802.16a无线都会网路OFDM Mode的标准下,发展DL Preamble能量侦测、码框同步、保护区间长度估测、通道估测、载波频率偏移估算、取样频率偏移估算等的演算法。此外,我们建立了一包含上述所有演算法的IEEE 802.16a无线都会网路OFDM Mode之接收机模拟平台。根据电脑的模拟结果,我们验证了所提出演算法的可行性。最后,为了符合IEEE 802.16a 无线都会网路OFDM Mode系统的规范,在不损失系统效能的前提下,我们也提出降低演算法实现成本的方法。 Orthogonal frequency division multiplexing (OFDM) is a promising transmission technology for future high data rate communications. It has been successfully used in wide varieties of applications. In this thesis,based on the standard of IEEE 802.16a OFDM Mode, we design the algorithms for the detection of DL Preamble energy, frame synchronization, CP estimation, channel estimation, frequency offset estimation and clock offset estimation..In addition, a complete simulation platform, involving all the algorithms mentioned above, is developed for the transceiver that complies with the IEEE 802.16a system specification. According to the simulation results, it is found that all our proposed algorithms are feasible. Finally, in order to satisfy the requirements of specification, we also propose methods to lower the implementation cost without losing the system performance. |
URI: | http://140.113.39.130/cdrfb3/record/nctu/#GT009113505 http://hdl.handle.net/11536/45879 |
显示于类别: | Thesis |
文件中的档案:
-
350501.pdf
-
350502.pdf
-
350503.pdf
-
350504.pdf
-
350505.pdf
-
350506.pdf
-
350507.pdf
-
350508.pdf
-
350509.pdf
-
350510.pdf
-
350511.pdf
-
350512.pdf
-
350513.pdf
If it is a zip file, please download the file and unzip it, then open index.html in a browser to view the full text content.