通过分析LTE-A异构网络的发展前景以及面临的挑战,对其中的功率控制技术进行了深入的研究,使其在不同的网络中提高通信质量。在LTE-A异构网络功率控制技术的研究中,通过基站分布和功率控制算法,主要采用混合功率控制模型HPC(hybrid powe...通过分析LTE-A异构网络的发展前景以及面临的挑战,对其中的功率控制技术进行了深入的研究,使其在不同的网络中提高通信质量。在LTE-A异构网络功率控制技术的研究中,通过基站分布和功率控制算法,主要采用混合功率控制模型HPC(hybrid power control),并使用非合作博弈论的方法,在寻求博弈平衡策略的过程中博弈各方都能达到最优解。在非合作博弈论纳什均衡的基础上,提出了改进使用斯坦克尔伯格求得SE均衡,并提出分布式混合功率控制迭代算法,用功率和定价的迭代来求得最优解的平衡。最后通过仿真,模拟基站和用户的分布,用迭代数和效用函数、发送功率的关系,来反映所使用的斯坦克尔伯格非合作博弈论求得的均衡解相对于纳什均衡能更好的实现公平降低干扰。展开更多
In this paper,we propose a hybrid power model that includes the power consumption of not only the registers but also part of the combinational logic.By doing knownkey analysis with this hybrid model,power side-channel...In this paper,we propose a hybrid power model that includes the power consumption of not only the registers but also part of the combinational logic.By doing knownkey analysis with this hybrid model,power side-channel leakage caused by correct keys can be detected.In experiment,PRINTcipher and DES algorithms were chosen as analysis targets and combinational logic s-box unit was selected to build power template.The analysis results showed the signal-to-noise ratio(SNR) power consumption increase of more than 20%after considering s-box's power consumption so that the information of keys can be obtained with just half number of power traces.In addition,the side channel-leakage detection capability of our method also shows better effectiveness that can identify the correct keys.展开更多
文摘通过分析LTE-A异构网络的发展前景以及面临的挑战,对其中的功率控制技术进行了深入的研究,使其在不同的网络中提高通信质量。在LTE-A异构网络功率控制技术的研究中,通过基站分布和功率控制算法,主要采用混合功率控制模型HPC(hybrid power control),并使用非合作博弈论的方法,在寻求博弈平衡策略的过程中博弈各方都能达到最优解。在非合作博弈论纳什均衡的基础上,提出了改进使用斯坦克尔伯格求得SE均衡,并提出分布式混合功率控制迭代算法,用功率和定价的迭代来求得最优解的平衡。最后通过仿真,模拟基站和用户的分布,用迭代数和效用函数、发送功率的关系,来反映所使用的斯坦克尔伯格非合作博弈论求得的均衡解相对于纳什均衡能更好的实现公平降低干扰。
基金supported by Major State Basic Research Development Program(No. 2013CB338004)National Natural Science Foundation of China(No.61402286, 61472250,61472249,61202372)+1 种基金National Science and Technology Major Project of the Ministry of Science and Technology of China (No.2014ZX01032401-001)Plan of Action for the Innovation of Science and Technology of Shanghai Municipal Science and Technology Commission(No.14511100300)
文摘In this paper,we propose a hybrid power model that includes the power consumption of not only the registers but also part of the combinational logic.By doing knownkey analysis with this hybrid model,power side-channel leakage caused by correct keys can be detected.In experiment,PRINTcipher and DES algorithms were chosen as analysis targets and combinational logic s-box unit was selected to build power template.The analysis results showed the signal-to-noise ratio(SNR) power consumption increase of more than 20%after considering s-box's power consumption so that the information of keys can be obtained with just half number of power traces.In addition,the side channel-leakage detection capability of our method also shows better effectiveness that can identify the correct keys.
