标题: | 基于蓝牙在IEEE802.11b频道下之干扰情况模拟 Bluetooth Simulation under IEEE 802.11b Channel Interference Situation |
作者: | 黄文新 Huang, Wen-Xin 陈福川 Chen, Fu-Chuang 电控工程研究所 |
关键字: | 蓝牙;IEEE802.11b;干扰情况;Bluetooth;IEEE802.11b;Interference |
公开日期: | 2013 |
摘要: | 目前,通讯在生活上已经成为不可或缺的一部份。这个研究主要是为了发展出比较好的通讯系统。蓝牙是一个无线短距离互联运用在手机,电脑,和其它电子装置。本 篇论文主要注重在如何增加蓝牙讯号的品质。 2.4GHz ISM频带是一个未授权的无线电频带,且已经被选定为给各式不同的通讯电子装置使用频带。IEEE802.11b和蓝牙是共同使用在这个频带里。 IEEE802.11b使用直接排序展频技术来调变信号,这是不同于蓝牙的调变技术。IEEE802.11b和蓝牙使用的目地与比特率(速度)也都不相 同,也就是不同的频率与不同的长度。在本篇论文,我们讨论蓝牙和IEEE802.11b调变技术,模拟蓝牙传送时的状况,使用MATLAB模拟建构传送时 的环境,模拟结果将显示在BER。 Essentially, communication is unavoidable in today’s life. The research on the new technology to develop a better communication to facilitate the greater human needs is quite challenging and critical. Bluetooth is a standard for the short-range wireless interconnection of mobile phones, computers, and other electronic devices. This research will be in-depth focusing on the possibility of new technology to enhance the quality of Bluetooth signal. The 2.4 GHz ISM band is an unlicensed radio band which has been chosen to be a band for physical layer in many of communication devices. IEEE802.11b and Bluetooth are network systems for commercial usage that also share this band. IEEE802.11b used the direct sequence spread spectrum technique to modulate the signal which is different from Bluetooth modulation technique. IEEE802.11b and Bluetooth use in the different aimed targets and bit rate. Thus, frequency usage have varies length. In this paper, Bluetooth and IEEE802.11b modulation techniques are discussed but the simulation is based in Bluetooth transmission. And in this simulation, because of IEEE802.11b have characteristic familiar with the noise so we will assume the IEEE802.11b signal as a wideband noise that is been add into the channel that overlapped with the Bluetooth channels. This paper used MATLAB for building transmission environment, also apply Pseudorandom frequency hopping spread spectrum and the result would show as BER. |
URI: | http://140.113.39.130/cdrfb3/record/nctu/#GT079912597 http://hdl.handle.net/11536/74632 |
显示于类别: | Thesis |