概率计算在通信信号处理系统实现中的应用  

Application of Stochastic Computing in Communication Signal Processing Systems

作　　者：胡剑浩[1] 陈杰男[1] 

机构地区：[1]电子科技大学通信抗干扰技术国家级重点实验室,四川成都611731

出　　处：《无线电通信技术》2015年第2期1-6,共6页Radio Communications Technology

基　　金：国家"863"计划重点项目(2012AA011702);国家自然科学基金项目(61371104)

摘　　要：概率计算方法是一种数值表征和计算方法;在概率计算法中,传统的基本数值计算可以与数字电路中的基本逻辑门电路建立直接的映射关系。针对现代无线通信系统中数字信号处理单元面临的复杂度、功耗和运算速度等挑战,结合通信信号处理中所呈现的统计特性,概率计算方法为通信系统数字信号处理实现提供了一条新颖的技术路线。在讨论、分析了该技术在通信信号处理系统集成电路实现中应用的可行性和应用桥梁的基础上,介绍了概率计算在信号处理系统中的典型应用,最后分析了该技术在通信信号处理系统中的挑战。The stochastic computing is a novel scheme for number representation and calculation. In stochastic computing, the fundamental calculations of traditional number system have directly mapping relationship with the basic gates in digital circuits. The stochastic computing can be adopted in digital signal processing of communication system due to its statistic characteristic.And it can provide an innovation method for meeting the requirements of communication system implementation, such as low complexity, low power consumption and high operating speed.Based on analyzing the feasibility and bridging of this technology in integrated circuit implementation of communication signal processing system,the typical applications of stochastic computing in signal processing system are introduced.The challenges of this technology applied to communication signal processing system are analyzed.

关 键 词：概率计算 通信信号处理 实现技术 

分 类 号：TN92[电子电信—通信与信息系统]