智慧南京平安0509.pdf

宽带专网需要运营商Carrier Required for Broadband Privat works 理由一：频谱宝贵，需要共网Reason 1: Limited spectrum resources require work sharing 2015年3月， 国家无线电 正式规划1447- 1467MHz频段用于宽带数字集群专网系统，明确建 议采用共网模式部署In March 2015, Sta dio Regulatory Commission of the Peoples Republic of approved that the broadband trunking privat work system uses the 1447-1467 MHz band and explicitly mended th work sharing mode. 宽带专网需要运营商Carrier Required for Broadband Privat works 理由二：投资巨大，要求共网Reason 2: Huge investment require work sharing 实现 全市域覆盖：Number of eNodeBs for coverage in Nanjing: 窄带集群 vs Narrowband trunking system 宽带集群网络 （蜂窝制） 11 236 Broadband trunking (Cellular) 传统窄带集群网络 （大区制） Narrowband trunking (Large- region) 宽带专网需要运营商Carrier Required for Broadband Privat works 理由三：容量优势，激活需求Reason 3: Large capacity allows requirements satisfaction yan 专 网 y2 y3 Transformation From Professional Trunking to Professional + Private Trunking 幻灯片 5 yang5 t图 yangxiaojing, 2015/5/11 y2