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今年年初,日本小灵通运营商已经宣布将小灵通业务退网,转向同在1.9GHz频段上的TD-LTE业务。3月下旬工业和信息化部正式发文,将原用于小灵通使用的1.9GHzF频段资源用于TDD移动通信系统。据记者了解,小灵通频率资源此前已经部分划给TD-SCDMA建网使用,但因为TD-SCDMA网络利用率一直不高,而TD-LTE规模试验和试商用对频率
Earlier this year, Japan’s PHS operators have announced the PHS business network back to the same frequency band in the 1.9GHz TD-LTE business. Ministry of Industry and Information Technology formally issued a document in late March, and used 1.9GHzF band resources originally used for PHS for TDD mobile communication system. According to report, PHS frequency resources have been partially allocated to TD-SCDMA network construction, but because TD-SCDMA network utilization has not been high, and TD-LTE scale test and trial commercial frequency