WCDMA和CDMA2000干扰共存研究.pdf.pdf

北京邮电大学硕士学位论文 WCDMA和CDMA2000干扰共存研究姓名:栗军伟申请学位级别:硕士专业:通信与信息系统指导教师:周继成 20070228 WCDMA和CDMA2000干扰共存研究摘要随着第三代移动通信系统的研究和开发以及各国商用网络的建设,第三代移动通信系统发展迅速。不同移动通信系统共存时的干扰问题引起运营商和设备制造商的广泛关注,各大公司纷纷展开对该问题的研究。我国即将商用3G,多个运营商可能采用不同制式,因此有必要进行符合我国特点的移动通信系统间的干扰共存研究。本文主要研究WCDMA系统与CDMA2000系统的共存问题,本文主要采用基于Monte Carlo方法的仿真方法进行干扰仿真,以确定系统频率干扰保护研究结论,给出不同情况下的干扰解决方法。本文选题于电信研究院FDD干扰分析与研究项目。本文首先分析课题的研究背景,并对第三代移动通信系统特点和发展状况进行了简单介绍。其次分析了移动通信系统共存时的干扰研究方法,重点分析了移动通信系统共存的Monte Carlo仿真方法,然后给出仿真平台和主要仿真模块的具体分析,详述了基于Monte Carlo仿真方法的仿真流程, 并给出仿真结果及分析。最后对仿真结果进行总结,提出干扰解决方法,给出需要进一步研究的问题。关键词:共存干扰Monte Carlo WCDMA ACIR RESEARCH OFINTERFEI也NCE AND COEXISTENCE OFWCDMA AND CDMA2000 ABSTRACT With theresearch and development ofthethirdgeneration munication system,as well works builtinmany countries,the thirdgenermion munication system develop coexistence fordifferentmobile systems are payed more attention by operators and panies have carried out research on country willIaunch 3G business soon,several operators may use diffcrent itiS necessary toproceed with theresearch according with characteristics of China about munication system coexistence, This paper studies the system coexistence problem between WCDMA and paper mainly proceed interference simulation based on Monte Carlo simulation method,In order to determine thefrequency interferenceprotection research conclusion and give theinterference solutions under topic iS from theproject named FDD interference Analysis and Research aroject munications Research firstanalyses the research background,and presents the third generation munication system characteristics and the developing situation ,analyses the interference research method munication system coexistence,mainly analyses Monte Carlo simulation method used for munication systems coexistence simulation,then thesimulation platform are given and main modules are specificly analysed,