%0 Journal Article
%T A Channel Assignment Scheme for Hot Spot in Cellular Mobile Communication System<br>蜂窝移动通信系统中一种热点业务分配算法
%A Dang An-hong
%A Zhu Shi-hua
%A Tang Jun-xiong
%A <br>党安红
%A 朱世华
%A 汤俊雄
%J 电子与信息学报
%D 2005
%I 
%X The traffic load is estimated based on the optimally combined traffic load forecasting model for cellular mobile communications system. The results are then used to derive the hot cells and cold cells due to the Quality of Service (QoS) requirement, an Optimized Hybrid Channel Assignment (OHCA) scheme is proposed and the ratio of active channels and static channels is derived. The analysis indicates that the ratio is bounded by the traffic fluctuation and QoS requirement. Simulation results show that the forecasting model can reduce the prediction error and yield higher forecasting precision compared to using only one method, and OHCA is shown to be superior to the current FCA and DCA in terms of call blocking probability and spectrum utilization. The scheme can be used to handle the hot spot case, and is therefore an attractive scheme for practical systems.
%K Traffic load prediction
%K Channel assignment
%K Cellular mobile communications<br>业务量预测
%K 信道分配
%K 蜂窝移动通信系统
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=C09AD076455BCC74&yid=2DD7160C83D0ACED&vid=DB817633AA4F79B9&iid=0B39A22176CE99FB&sid=D6354F61445E9456&eid=D9AE183D3F5C3C75&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=8