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Alternative TitlePacket aggregation method for factory automation oriented TDMA (Time Division Multiple Access) wireless network
梁炜; 林俊如; 张晓玲; 于海斌; 杨雨沱
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to the industrial wireless network technologies, and particularly to a packet aggregation method for a factory automation oriented TDMA (Time Division Multiple Access) wireless network. The packet aggregation method comprises the steps of: constructing various nodes of an industrial automation oriented networks into a star-shaped topological structure allocating necessary time slots necessary for the communication to the nodes in the network by an AP (Access Point) packaging packets which need to be transmitted to multiple nodes into a packet according to an aggregation packet format by the AP based on the topological structure and the time slot allocation result if a buffer memory space is enough judging if the node is a target node of the aggregation packet after the node receives the aggregation packet from the AP, if yes, receiving and disaggregating the packet, otherwise, discarding the packet replying an ACK (Acknowledgement Character) response to the AP by the node which receives the aggregation packet, and retransmitting the aggregation packet to the nodes which send no ACK by the AP and determining retransmission based on the ACK response by the AP. The packet aggregation method for the factory automation oriented TDMA wireless network reduces amount of the packets in the network and packet header expense, increases effective load of the packets, and optimizes performances of the factory automation oriented wireless network under the precondition of no data damage by fully utilizing the characteristic of short length of a acknowledgement frame in the factory automation application.
PCT Attributes
Application Date2011-12-26
Date Available2015-05-13
Application NumberCN201110441766.X
Open (Notice) NumberCN103179613A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
梁炜,林俊如,张晓玲,等. 一种面向工厂自动化TDMA无线网络的包聚合方法[P]. 2013-06-26.
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