| 单词 | IMT-2000 (International Mobile Telecommunications-2000) |
| 释义 | IMT-2000 (International Mobile Telecommunications-2000) An initiative of the ITU-R for a twenty-first century wireless network architecture that replaced Future Public Land Mobile Telecommunications System (FPLMTS) as that organizations vision for a single global standard for digital wireless networks. Specifications call for operation on the 2 GHz (2000 MHz) band and include high-mobility applications at 128/144 kbps, pedestrian speed applications at 384 kbps, and fixed wireless applications such as wireless local loop (WLL) and in-building applications such as wireless LANs (WLANs) at 2.048 Mbps. Technologies and standards falling under the IMT-2000 umbrella include 2.5G and 3G such as Enhanced Data rates for GSM Evolution (EDGE), General Packet Radio Service (GPRS), High-Speed Circuit Switched Data (HSCSD), and Universal Mobile Telecommunications System (UMTS). See also 2.5G, 3G, cellular radio, digital, EDGE, GPRS, HSCSD, UMTS, wireless, WLAN, and WLL. |
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