| 一种基于nRF24xx的混合无线通信协议 |
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| 引用本文： | 蒋增文,张莉萍,李德敏,李威.一种基于nRF24xx的混合无线通信协议[J].通信技术,2010,43(10):78-80. |
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| 作者姓名： | 蒋增文 张莉萍 李德敏 李威 |
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| 作者单位： | 1. 东华大学信息科学与技术学院,上海,201620
2. 上海工程技术大学电子电气工程学学院,上海,201620 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 2.4GHz无线短距离通信技术是当前一门热门的通信技术,对无线短距离通信协议进行了深入的探讨。首先分析了基于射频芯片（nRF24xx）现有的通信协议,通过分析指出了现有协议存在前向频带的通过率低,系统传输帧所需时间长的缺点。然后提出了一种采用连续传输和停止等待自动请求重传（SW-ARQ）混合传输的通信协议,给出该协议的设计,并对协议进行了仿真。通过仿真分析表明该协议的误码率跟原协议相同,但通过率高于原协议,平均传输时间要低于原协议。
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| 关 键 词： | 射频芯片 停止等待自动请求重传 混合通信协议 |
A Hybrid Wireless Communication Protocol Based on nRF24xx |
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| JIANG Zeng-wen,ZHANG Li-ping,LI De-min,LI Wei.A Hybrid Wireless Communication Protocol Based on nRF24xx[J].Communications Technology,2010,43(10):78-80. |
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| Authors: | JIANG Zeng-wen ZHANG Li-ping LI De-min LI Wei |
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| Affiliation: | ①(①College of Information Science and Technology,Donghua University,Shanghai 201620,China;②College of Electronic and Electrical Engineering,Shanghai University of Engineering Science,Shanghai 201620,China) |
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| Abstract: | 2.4GHz wireless short-range communications technology is now a popular communication technology,and this paper gives the in-depth study on its protocol.This paper first analyzes the existent radiofrequency chip nRF24xx communication protocols,and through analysis,points out the shortcomings of the existent protocols,such as low throughout efficiency and long transmission time.Then it proposes a hybrid-transmission communication protocol using continuous transmission and Stop-Wait Automatic Repeat-reQuest（SW-ARQ）,and finally gives the protocol design and simulation result.The simulation analysis shows that the BER of the hybrid protocol is the same as that of the original protocol,but its throughout Efficiency is higher than that of the original,and its average transmission time is less than that of the original. |
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| Keywords: | radiofrequency chip SW-ARQ hybrid protocol |
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