摘要
OFDM技术较强的抗多径能力和较简化的接收机设计方案,使得越来越多的无线网络在OFDM技术的框架下共存,这使得多模式终端成为支持多网融合泛在通信的重要解决方案。从OFDM系统的同步技术着手,将定时同步和频偏估计方案进行整合,提出了多模式可配置的同步系统的概念,并给出了支持WLAN、LTE和DVB-T等标准的多模式可配置同步系统结构。
OFDM is extensively used in wireless communication systems for its excellent performance in multipath channel and simple receiver design.Now more and more wireless network coexist under the OFDM framework,which make the multi-mode terminal the solution of multi-network ubiquitous communication.This paper is about the configurable synchronization module of multi-mode terminal,and focuses on the integration of timing and frequency offset estimation.Then it proposes the conception of configurable multi-mode synchronization system which supports WLAN,LTE and DVB-T systems.
出处
《信息技术》
2011年第4期5-8,共4页
Information Technology
基金
工信部重大专项资助项目(2009ZX03002-005/003)
关键词
OFDM
同步
多模式
可配置
OFDM
synchronization
multi-mode
configurable
