Software radio structure for UMTS and second generation mobile communication systems

Gateway to 21st Century Communications Village. VTC 1999-Fall. IEEE VTS 50th Vehicular Technology Conference (Cat. No.99CH36324) Pub Date : 1999-09-19 DOI:10.1109/VETECF.1999.798468

A. Wiesler, H. Schober, R. Machauer, Friedrich K. Jondral

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引用次数: 14

Abstract

The third generation mobile communication system UMTS will enable a very flexible communication technology which means variable data rates from 8 kbit/s speech up to 2 Mbit/s data transmission. But the new standard cannot replace established systems like the European GSM and DECT, instead it is planed as an expansion of the second generation systems. That means future UMTS handhelds must be able to perform second and third generation communication technologies and also seamless system handover. To enable small handhelds and fast system handover an UMTS mobile station can only be realized with a transmitter structure which is totally software programmable, a so called software radio. All baseband functions are implemented in a general, parametrized way, so that all of them can be used for the selected standards by using different parameter sets. The air interfaces of DECT, GSM and WBCDMA have been analysed and common baseband functions have been developed and implemented.

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UMTS和第二代移动通信系统的软件无线电结构

第三代移动通信系统UMTS将实现非常灵活的通信技术，这意味着从8kbit /s语音到2mbit /s数据传输的可变数据速率。但新标准不能取代现有的系统，如欧洲的GSM和DECT，而是计划作为第二代系统的扩展。这意味着未来的UMTS手持设备必须能够执行第二代和第三代通信技术以及无缝的系统切换。为了实现小型手持设备和快速系统切换，UMTS移动站只能通过完全软件可编程的发射机结构来实现，即所谓的软件无线电。所有基带函数都以一种通用的、参数化的方式实现，因此，通过使用不同的参数集，所有的基带函数都可以用于选定的标准。分析了DECT、GSM和WBCDMA的空中接口，开发并实现了常用的基带功能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Gateway to 21st Century Communications Village. VTC 1999-Fall. IEEE VTS 50th Vehicular Technology Conference (Cat. No.99CH36324)

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