We propose a procedure to forecast short time series with stable seasonal pattern.This new method is motivated by the observations that short time series arise in many situations for the fierce competition.The quantit...We propose a procedure to forecast short time series with stable seasonal pattern.This new method is motivated by the observations that short time series arise in many situations for the fierce competition.The quantity to be predicted is a yearly accumulation assuming that the partially accumulated data within the year are available.A simple model is proposed to describe the relation-ship between the yearly accumulation and partial accumulation and analytic results are obtained for both the point prediction and the predicative distribution.A comparison will be conducted between this model and traditional time series forecasting model with data from telecommunication industry. This method works better than the traditional models when only small amount of data are available. It can also be applied to forecast individual observations with a proper disaggregation algorithm.展开更多
This paper applies the perspective of business ecosystem to mobile communications industry,trying to help mobile network operators improve their strategies in the era of the third generation mobile communications(3G)....This paper applies the perspective of business ecosystem to mobile communications industry,trying to help mobile network operators improve their strategies in the era of the third generation mobile communications(3G).According to the definition of the business ecosystem,the ecosystem structure of mobile network operators is analyzed.As an important hub in the ecosystem,mobile network operators are advised to take a keystone strategy.The key points of the strategy are summarized.Finally,suggestions for Chinese mobile network operators are given based on the analysis.展开更多
Telecom infrastructure sharing might be a new concept introduced to China recently,but it is standard practice globally.Based on the common prac-tice experiences from foreign countries,the paper ana-lyzes relevant iss...Telecom infrastructure sharing might be a new concept introduced to China recently,but it is standard practice globally.Based on the common prac-tice experiences from foreign countries,the paper ana-lyzes relevant issues of telecom infrastructure sharing in the Chinese context,and then proposals several recom-mendations for implementation of the regulatory policy.展开更多
文摘We propose a procedure to forecast short time series with stable seasonal pattern.This new method is motivated by the observations that short time series arise in many situations for the fierce competition.The quantity to be predicted is a yearly accumulation assuming that the partially accumulated data within the year are available.A simple model is proposed to describe the relation-ship between the yearly accumulation and partial accumulation and analytic results are obtained for both the point prediction and the predicative distribution.A comparison will be conducted between this model and traditional time series forecasting model with data from telecommunication industry. This method works better than the traditional models when only small amount of data are available. It can also be applied to forecast individual observations with a proper disaggregation algorithm.
文摘This paper applies the perspective of business ecosystem to mobile communications industry,trying to help mobile network operators improve their strategies in the era of the third generation mobile communications(3G).According to the definition of the business ecosystem,the ecosystem structure of mobile network operators is analyzed.As an important hub in the ecosystem,mobile network operators are advised to take a keystone strategy.The key points of the strategy are summarized.Finally,suggestions for Chinese mobile network operators are given based on the analysis.
文摘Telecom infrastructure sharing might be a new concept introduced to China recently,but it is standard practice globally.Based on the common prac-tice experiences from foreign countries,the paper ana-lyzes relevant issues of telecom infrastructure sharing in the Chinese context,and then proposals several recom-mendations for implementation of the regulatory policy.
