Programmable implementations of xDSL transceiver systems

被引：12
|
作者：
Wiese, BR [1 ]
Chow, JS [1 ]
机构：
[1] Texas Instruments Inc, Dallas, TX 75265 USA
来源：
IEEE COMMUNICATIONS MAGAZINE | 2000年 / 38卷 / 05期
关键词：
D O I：
10.1109/35.841834
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
After a brief background on DSL technology, this article evaluates the trade-offs between programmable and custom implementations of communications products with an emphasis on xDSL modems. These trade-offs include time to market, risk, flexibility, power consumption, and cost. A key issue is the processing power required to implement the modem. The article takes a detailed look at the processing power required to implement an ADSL or VDSL modem on a programmable platform. It is demonstrated that today's digital signal processors meet the processing power requirements for an ADSL modem, and it is estimated that the processing requirements of a VDSL modem will be met in the near future.
引用
收藏
页码：114 / 119
页数：6
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