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Performance Analysis of Full-Duplex Relay Networks with Residual Self-Interference and Crosstalk
( Guoling Liu ),( Wenjiang Feng ),( Bowei Zhang ),( Tengda Ying ),( Luran Lu ) 한국인터넷정보학회 2016 KSII Transactions on Internet and Information Syst Vol.10 No.10
This paper investigates the error performance of the amplify-and-forward (AF) relaying systems in the context of full-duplex (FD) communication. In addition to the inherent self-interference (SI) due to simultaneous transmission and reception, coexistent FD terminals may cause crosstalk. In this paper, we utilize the information exchange via the crosstalk channel to construct a particular distributed space-time code (DSTC). The residual SI is also considered. Closed-form pairwise error probability (PEP) is first derived. Then we obtain the upper bound of PEP in high transmit power region to provide more insights of diversity and coding gain. The proposed DSTC scheme can attain full cooperative diversity if the variance of SI is not a function of the transmit power. The coding gain can be improved by lengthening the frame and proper power control. Feasibility and efficiency of the proposed DSTC are verified in numerical simulations.
Dynamics in Biomass of Poa pratensis ver. anceps Gaud. Cv. in the Qinghai-Tibetan Plateau
Qingping Zhou,Wenhui Liu,Hongbo Yan,Guoling Liang 한국초지조사료학회 2009 한국초지조사료학회 학술대회논문집 Vol.2009 No.08
Dynamics of aboveground and underground biomass of Qinghai flat-stem bluegrass (Poa pratensis vayr. anceps Gaud. Cv in ">" shape, and vertical distributions of biomass of roots, rhizomes and underground were all in "T" shape and fit equation of Y= l-βD. There was direct correlation between biomass of above ground and biomass of underground. Ration of underground to aboveground was 0.4l.