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- Title
超密集网络导频复用干扰避免策略.
- Authors
黄杰; 杨凡; 高乙文; 张博为
- Abstract
In the ultra dense network (UDN), the pilot reuse scheme would produce significant interference, which will affect the accuracy of channel estimation. To solve this problem, an interference avoidance strategy for UDN with pilot reuse was proposed. An interference model of subcarriers for UDN was provided and the interference probability of subcarriers was derived. Then, based on the model, a pilot position selection model was proposed and an interference avoidance strategy for UDN with pilot reuse was provided. The simulation results show that compared with the traditional channel estimation algorithm, the channel estimation with proposed interference avoidance strategy can effectively avoid the interference and ensure the accuracy of channel estimation in UDN with pilot reuse.
- Publication
Journal on Communication / Tongxin Xuebao, 2020, Vol 41, Issue 7, p165
- ISSN
1000-436X
- Publication type
Article
- DOI
10.11959/j.issn.1000−436x.2020120