After the global trend of telecommunication liberalization in the 90s, mobile service market in West Europe, North America, Japan and Korea are moving from a rapid-growing stage to a mature stage.

• 中文摘要经过90年代全球电信自由化的风潮后，西欧、北美、日本、韩国地区的行动通信服务市场由快速成长期逐渐进入成熟期。