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Alternative TitleSpace-time joint accessing method of multi-hop cognitive radio network
于海斌; 梁炜; 许驰; 郑萌; 张晓玲
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 a space-time joint accessing method of a multi-hop cognitive radio network. When a radio network determines a multi-hop transmitting route, a cognitive user judges whether a free opportunity or a sharing opportunity exists or not via space domain perception and time domain perception, and then determines a frequency spectrum accessing mode and transmission power according to the free opportunity or the sharing opportunity. According to method provided by the invention, through joint consideration of the space domain opportunity and time domain opportunity of the frequency spectrum, the transmission power of the cognitive user is optimized while the main user is fully protected, and continuous accessing of the multi-hop cognitive radio network to authorized spectrum bands is achieved, so that the problems of severe power constraint and discontinuous data transmission of the conventional frequency spectrum accessing method are solved, and the requirements of the cognitive radio network on continuity and timeliness are met.
PCT Attributes
Application Date2015-05-25
Date Available2019-03-05
Application NumberCN201510270800.X
Open (Notice) NumberCN104980931A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
于海斌,梁炜,许驰,等. 多跳认知无线网络的空时联合接入方法[P]. 2015-10-14.
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