This paper proposes a new infeasible interior-point algorithm with full-Newton steps for P_*(κ) linear complementarity problem(LCP),which is an extension of the work by Roos(SIAM J.Optim.,2006,16(4):1110-1136).The ma...This paper proposes a new infeasible interior-point algorithm with full-Newton steps for P_*(κ) linear complementarity problem(LCP),which is an extension of the work by Roos(SIAM J.Optim.,2006,16(4):1110-1136).The main iteration consists of a feasibility step and several centrality steps.The authors introduce a specific kernel function instead of the classic logarithmical barrier function to induce the feasibility step,so the analysis of the feasibility step is different from that of Roos' s.This kernel function has a finite value on the boundary.The result of iteration complexity coincides with the currently known best one for infeasible interior-point methods for P_*(κ) LCP.Some numerical results are reported as well.展开更多
This paper exploits an optical large multiple input multiple output(MIMO) system.We first establish the non-reciprocity compensation correction factor to solve the channel non-reciprocity problem.Then we propose an an...This paper exploits an optical large multiple input multiple output(MIMO) system.We first establish the non-reciprocity compensation correction factor to solve the channel non-reciprocity problem.Then we propose an antenna selection algorithm with the goal of realizing maximum energy efficiency(EE) when satisfying the outage EE.The simulation results prove that this non-reciprocity compensation correction factor can compensate beam energy attenuation gap and spatial correlation gap between uplink and downlink effectively,and this antenna selection algorithm can economize the number of transmit antennas and achieve high EE performance.Finally,we apply direct current-biased optical orthogonal frequency division multiplexing(DCO-OFDM) modulation in our system and prove that it can improve the bit error rate(BER) compared with on-off keying(OOK) modulation,so the DCO-OFDM modulation can resist atmospheric turbulence effectively.展开更多
基金supported by the Natural Science Foundation of Hubei Province under Grant No.2008CDZ047
文摘This paper proposes a new infeasible interior-point algorithm with full-Newton steps for P_*(κ) linear complementarity problem(LCP),which is an extension of the work by Roos(SIAM J.Optim.,2006,16(4):1110-1136).The main iteration consists of a feasibility step and several centrality steps.The authors introduce a specific kernel function instead of the classic logarithmical barrier function to induce the feasibility step,so the analysis of the feasibility step is different from that of Roos' s.This kernel function has a finite value on the boundary.The result of iteration complexity coincides with the currently known best one for infeasible interior-point methods for P_*(κ) LCP.Some numerical results are reported as well.
基金supported by the Jinlin Provincial Science&Technology Department of China(No.20130413052GH)
文摘This paper exploits an optical large multiple input multiple output(MIMO) system.We first establish the non-reciprocity compensation correction factor to solve the channel non-reciprocity problem.Then we propose an antenna selection algorithm with the goal of realizing maximum energy efficiency(EE) when satisfying the outage EE.The simulation results prove that this non-reciprocity compensation correction factor can compensate beam energy attenuation gap and spatial correlation gap between uplink and downlink effectively,and this antenna selection algorithm can economize the number of transmit antennas and achieve high EE performance.Finally,we apply direct current-biased optical orthogonal frequency division multiplexing(DCO-OFDM) modulation in our system and prove that it can improve the bit error rate(BER) compared with on-off keying(OOK) modulation,so the DCO-OFDM modulation can resist atmospheric turbulence effectively.