用于无线传感器网络的MAC控制加速器的设计  

The Design of MAC Control Accelerator for Wireless Sensor network

作　　者：雷鏗铭 姜天杰[1] 陈毅成[1] 邹雪城[1] 刘政林[1] 

机构地区：[1]华中科技大学电子科学与技术系超大规模集成电路与系统研究中心,湖北武汉430074

出　　处：《微电子学与计算机》2008年第8期80-83,共4页Microelectronics & Computer

基　　金：国家"八六三"计划项目(2006AA01Z226);湖北省自然科学基金项目(2006ABA080)

摘　　要：提出了一种基于协处理器的MAC控制加速器体系结构，其特点是兼容于IEEE802．15．4协议，还能支持S-MAC、T-MAC等其它无线传感器网络MAC协议，增强了硬件的可扩展性；阐述了协处理器实现CSMA-CA算法、S-MAC和T-MAC协议的方法，并在此基础上分析了协处理器实现的CSMA-CA算法的软件时延；在FPGA上实现了整个MAC控制加速器的设计，测试结果表明：该MAC支持20～250kbps数据传输速率，支持多协议，适应IEEE802．15．4协议要求，面积仅为30567个等效门。The architecture of MAC control accelerator based on co-processor is presented. It is compliant with the IEEE 802.15.4 protocol. It also supports various MAC protocols for wireless sensor network such as T-MAC and S-MAC. The way of CSMA-CA algorithm, S-MAC and T-MAC protocols implemented by co-processor is explained. Base on the coprocessor architecture, software delay was analyzed. The results of FPGA verification were presented. The proposed MAC architecture solution can operate at a rate of 20-250kbps and support various of MAC protocols with only a 30567 equivalent gate scale.

关 键 词：无线传感器网络 协处理器 CSMA-CA MAC 

分 类 号：TP368[自动化与计算机技术—计算机系统结构]