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首页> 外文期刊>IEEE Journal of Solid-State Circuits >MDSP-II: a 16-bit DSP with mobile communication accelerator
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MDSP-II: a 16-bit DSP with mobile communication accelerator

机译:MDSP-II:具有移动通信加速器的16位DSP

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This paper describes a 16-bit programmable fixed-point digitalnsignal processor, called MDSP-II, for mobile communication applications.nThe instruction set of MDSP-II was determined after a careful analysisnof the Global System for Mobile communications (GSM) baseband functions.nAn application-specific hardware block called the mobile communicationnaccelerator (MCA) was incorporated on chip to accelerate the executionnof the key operations frequently appearing in Viterbi equalization. Withnthe assistance of MCA, the GSM baseband functions, which need 53 millionninstructions per second (MIPS) on the general-purpose digital signalnprocessors, can be performed only with 19 MIPS. The MDSP-II wasnimplemented with a 0.6-Μm triple-layer metal CMOS process on an9.7×9.8 mm2 silicon area and was operated up to 50 MHznclock frequency
机译:本文介绍了一种适用于移动通信应用的16位可编程定点数字信号处理器,称为MDSP-II.n在仔细分析了全球移动通信系统(GSM)基带功能之后,确定了MDSP-II的指令集。在芯片上集成了称为移动通信加速器(MCA)的专用硬件模块,以加快维特比均衡中经常出现的关键操作的执行速度。在MCA的帮助下,仅需要19 MIPS即可完成GSM基带功能,该功能在通用数字信号处理器上每秒需要5300万条指令(MIPS)。 MDSP-II在0.6×9.8 mm2的硅面积上采用0.6μm的三层金属CMOS工艺实现,并在最高50 MHz的时钟频率下工作

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