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我國5G發展大事記:務實的推進 合作的碩果

  近日,四張5G商用許可證的頒發標志著我國正式進入5G時代。九層之臺,起于壘土。從引進、跟隨、同步到領先,我國的5G是怎樣一路發展,一路建設的呢?

  2013年4月19日

  由工業和信息化部、國家發改委、科技部共同支持的IMT-2020(5G)推進組在京成立,工業和信息化部部長苗圩出席會議并向推進組專家頒發聘書,聘請鄔賀銓院士為顧問,聘請時任工業和信息化部電信研究院院長的曹淑敏為組長。推進組作為5G推進工作的平臺,目標是組織國內各方力量、積極開展國際合作,共同推動5G國際標準發展。這為我國在5G標準研究領域統攬全局奠定了基調。

  2015年5月28日

  IMT-2020(5G)推進組相繼發布了五本白皮書,勾勒出5G愿景與需求、概念、網絡技術架構,體現了我國政府在5G網絡技術研究方面加速推進技術、標準、研發和業務應用協同發展的決心。

  2015年10月

  在瑞士日內瓦召開的2015無線電通信全會上,國際電聯無線電通信部門(ITU-R)正式批準了三項有利于推進未來5G研究進程的決議,并正式確定了5G的法定名稱是“IMT-2020”。我國提出的“5G之花”9個技術指標中的8個也在這次大會上被ITU采納。與以往任何時候不同的是,這一次,中國在全球移動通信舞臺上首次扮演起領跑者的角色。

  2016年1月7日

  中國5G技術試驗全面啟動,分為5G關鍵技術試驗、5G技術方案驗證和5G系統驗證三個階段實施。這是我國第一次與國際標準組織同步啟動對新一代移動通信技術測試和驗證。在當年9月舉辦的中國國際信息通信展期間,第一階段無線測試規范的制定工作宣告完成。兩個月后,IMT-2020(5G)推進組發布了《5G技術研發試驗第二階段技術規范》,我國5G第二階段測試“有本可依”,5G技術研發測試又進了一步。

  2016年5月31日

  由中國IMT-2020(5G)推進組聯合歐盟5G PPP、日本5GMF、韓國5G論壇和美洲5G Americas共同主辦的第一屆全球5G大會在北京拉開帷幕。工業和信息化部部長苗圩出席大會并致開幕詞。本次大會是中歐美日韓5G推進組織跨區域合作召開的第一屆全球5G大會,是5G發展中的重要里程碑。全球業界在大會期間進行了充分溝通、交流與觀點融合,為構建5G技術生態邁出重要一步,并為全球統一5G標準研制、頻率協調、產業發展和應用創新奠定了重要基礎。

  2016年11月18日

  在美國內華達州里諾剛剛結束的3GPP RAN1#87次會議上,經過與會公司代表多輪技術討論,國際移動通信標準化組織3GPP最終確定了5G eMBB(增強移動寬帶)場景的信道編碼技術方案,其中,Polar碼作為控制信道的編碼方案;LDPC碼作為數據信道的編碼方案。信道編解碼是無線通信領域的核心技術之一,其性能的改進將直接提升網絡覆蓋及用戶傳輸速率。Polar碼作為信道編解碼領域的基礎創新,它的引入將使5G網絡的用戶體驗有明顯的提升,進一步提升5G標準的競爭力。此次中國主導推動的Polar碼被3GPP采納為5G eMBB控制信道標準方案,是我國在5G移動通信技術研究和標準化上的重要進展。

  2016年11月20日

  我國5G技術研發試驗第二階段技術規范正式發布。我國5G技術研發試驗第二階段測試基于統一的試驗平臺、統一頻率、統一設備和測試規范開展,針對各廠商面向5G移動互聯網和物聯網不同應用場景的技術方案進行驗證。同時,此階段積極引導芯片、儀表廠商參與,開展產業鏈的對接測試。本次試驗規范發布是我國實施以試驗帶動技術標準制定與產品研制,打造5G產業鏈和創新鏈的主要舉措。

  2017年11月23日

  工信部發布關于啟動5G技術研發試驗第三階段工作的通知,要求有關單位明確第三階段測試目標、內容和指標要求,加快完成試驗環境的建設與優化,加快設備研發,開展融合試驗,加強統籌安排,力爭于2018年底前實現第三階段試驗基本目標,支撐我國5G規模試驗全面展開。

  2018年1月16日

  IMT-2020(5G)推進組在北京召開了5G技術研發試驗第三階段規范發布會。工信部信息通信發展司聞庫司長指出,發布5G技術研發試驗第三階段的規范,就是要給出中學階段的課本和考試大綱,5G技術研發試驗第三階段將是5G實現“18歲成人”之前的關鍵一步。通過本階段的測試,預計在2018年底5G產業鏈主要環節基本達到預商用水平。本次會議共發布了包括《面向R16及未來的新功能及新技術驗證技術要求》在內的共8本規范。

  2018年2月1日

  “綻放杯”5G應用征集大賽項目申報正式開始。大賽的主題是“綻放5G芳華 構建應用生態”,針對增強移動寬帶、低時延高可靠、低功耗大連接等5G三大典型應用場景,面向各行業、企事業單位、科研院所、學校以及團隊和個人征集具有5G特色的創新應用,促進5G與垂直行業深度融合,推進5G加快發展。

  2018年9月28日

  中國5G技術研發試驗第三階段測試結果出爐,5G技術研發試驗第三階段采用3GPP國際標準,制定了全部試驗規范,協調統一主要物理層參數,指導5G預、商用產品研發;構建了5G室內外一體化試驗網絡環境,研發5G室內外一體化實驗網絡環境,研發構建了5G射頻和性能測試系統,及時滿足了試驗需求;全面組織了5G系統、芯片、儀表的協同研發與測試驗證,完成非獨立(NSA)系統測試,獨立組網(SA)系統測試進程過半,有效推動了5G技術和設備逐步成熟。

  2018年12月10日

  工業和信息化部向中國電信、中國移動、中國聯通發放了5G系統中低頻段試驗頻率使用許可。其中,中國電信和中國聯通獲得3500MHz頻段試驗頻率使用許可,中國移動獲得2600MHz和4900MHz頻段試驗頻率使用許可。5G系統試驗頻率使用許可的發放,有力地保障了各基礎電信運營企業開展5G系統試驗所必須使用的頻率資源,向產業界發出了明確信號,將進一步推動我國5G產業鏈的成熟與發展。

  2018年12月27日

  苗圩在全國工業和信息化工作會議上總結2018年工作時指出,網絡強國建設扎實推進,提前超額完成政府工作報告提出的網絡提速降費目標任務,5G研發和產業化進程加快。在部署2019年重點工作時,苗圩強調要提升支撐能力,釋放數字經濟潛能,繼續開展網絡提速降費,啟動寬帶網絡“雙G雙提,同網同速”行動,加快5G商用部署,扎實做好標準、研發、試驗和安全配套工作,加速產業鏈成熟,加快應用創新。

  2019年1月10日

  苗圩就貫徹落實中央經濟工作會議精神接受了多家中央媒體的聯合采訪。苗圩表示,移動通信基礎設施對經濟社會發展的核心驅動作用日益凸顯,5G具備更高速率、更低時延、更大連接的特點,將與人工智能、大數據、物聯網等新技術深度融合,進一步深入各行各業,加快生產活動向數字化、網絡化、智能化方向演進升級,激發出如智能網聯汽車、遠程醫療手術等各類創新應用,改變我們的社會。5G將構筑萬物互聯的新一代信息基礎設施,成為社會數字經濟和各行各業轉型升級發展的新引擎。我們不僅要建好5G,更重要的是想方設法用好5G。

  2019年3月28日

  苗圩在博鰲亞洲論壇2019年年會“5G:物聯網的成就者”分論壇上,就5G標準制定、發展前景及其對社會生活的影響等問題發表看法并回答現場提問。苗圩強調,5G發展最關鍵的是開放合作和全球統一標準。統一標準對產業發展和應用具有極其重要的作用,各國產業界、研究部門對5G全球統一標準均作出了貢獻。目前,5G必要專利分布在中國和其他多個國家的企業和機構,這是全球共同努力的成果。

  2019年6月6日

  苗圩向中國電信集團有限公司董事長、黨組書記柯瑞文,中國移動通信集團有限公司董事長、黨組書記楊杰,中國聯合網絡通信集團有限公司董事長、黨組書記王曉初,中國廣播電視網絡有限公司董事長趙景春頒發了四張5G商用許可證。由此,我國正式進入5G時代。

  【相關閱讀

  5G來了!中國5G商用牌照正式發布!

  首批5G城市名單公布

責任編輯:陳近梅

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