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This paper presents a multiple-symbol differential spatial division multiple access (MS-DSDMA) system conceived for low-complexity and high-bandwidth-efficiency applications operating in time-varying fading channels, where no channel estimation is required. A low-complexity adaptive multiple-symbol differential interference suppression (MS-DIS) scheme is proposed, which is based on the maximum signal-to-interference-plus-noise...
Studies on temporal statistics of human behavior not only contribute to a profound understanding of complexity of socio-economic system and human beings, but they are also crucial for better resource allocation and pricing plans for phone companies, to improve inventory and service allocation in both online and street retail. In recent years, some statistical research on human correspondence has proven...
An empirical analysis of the login information of fitness club membership in foreground system is implemented, which show that the interval time distribution of their logins present obvious Power-law properties whether all members, groups or individuals. Moreover, the scaling indexes of groups are different and linked with their level of activity. In addition, power exponents are obvious different...
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