Analysis and Suggestion on SDCCH Drop Call in GSM

The SDCCH drop call rate is a major parameter to weigh GSM network access quality.Based on the author's practical experience in wireless network optimization and construction,this article analyzes the reasons of SDCCH drop call.In view of the mountainous region in Chengde with high SDCCH drop call rate caused by weaker signal strength,the article makes a systematic analysis of the drop reason,and provides some information for the solution of the problem through wireless network optimization and construction.