[討論] 全球5G 預選頻段分配及試驗情況
看板MobileComm作者shengshampoo (Sheng Shampoo)時間7年前 (2017/06/20 17:09)推噓27(30推 3噓 20→)留言53則, 31人參與討論串1/1
全球5G 預選頻段分配及試驗情況
這個月初的對岸相關官方下一代通信協定5G的新聞,
轉載於華文網的報導:
工信部正在徵詢公眾對5G候選頻譜計畫的意見
https://tr.im/1k35p
中國官方工信部(相當於我們這裡的NCC),
發佈了公眾諮詢請求,
向產業及學界等徵求公眾。
把3300-3600 MHz和4800-5000 MHz頻段,
這兩個低頻頻段作為5G主要工作頻段的計畫的意見。
除了sub-6GHz的5G 頻譜資源外,
也列出了對5G毫米波頻段,
即24.75-27.5GHz、37-42.5GHz,
或其他毫米波頻段5G系統頻率規劃候選頻段的使用意見。
FierceWireless 的相關文章:
China issues plan to use 3300-3600 MHz, 4800-5000 MHz for 5G
https://tr.im/1tpG7
China MIIT plan to use the 3300-3600 MHz and 4800-5000 MHz bands for 5G,
with 3300-3400 MHz limited to indoor use.
(300 MHz contiguous between 3300 and 3600 MHz,
and 200 MHz contiguous between 4800-5000 MHz)
另外找到的資料:
全球的5G 預選頻段分配及試驗情況:
领跑5G!如何看工信部确认5G初始频段?
https://tr.im/1bOTQ
涵蓋 中,日,韓,美,歐等,
已經制定規劃5G 候選頻段並展開部署5G網路。
中、日、韩、美、欧洲均在3300-3800 MHz频段范围内部署5G试验。
因此,毫无悬念,极有可能成为最先商用的5G频段。
為什麼會選擇 3300-3800 MHz频段?
FierceWireless 文章提到:
The ITU suggested a minimum contiguous spectrum size
of 100 MHz for genuine 5G services,
and it is very difficult for most countries to find
such spectrum at a low frequency level (below 3 GHz).
That is why 5G will, in most cases,
take place at a higher frequency level and become more expensive to build than 4G networks.
我想制定的網路頻段越高,
部署的基地台數量需求也越多,
所以也比4G 部署成本昂貴。
最後,
2G→5G頻譜分配 對岸一篇撰寫的整理文:
https://tr.im/1ndAN
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※ 文章網址: https://www.ptt.cc/bbs/MobileComm/M.1497949774.A.01A.html
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