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    5G提前商用,中國準備好了嗎?

    2019-06-05 06:16:29 環球時報

    本報駐日本特約記者 李珍 本報記者 李司坤

    在韓國、美國、英國等陸續開始5G商用時代后,中國工信部3日宣布,近期將發放5G商用牌照,這意味著原先中國“2020年5G正式商用”的時間表提前了一年。外界普遍認為,中國此舉旨在搶占5G產業技術制高點,也有應對美國打壓中國高科技企業的意圖。但5G提前商用,中國準備好了嗎?

    搶占5G技術制高點

    《日本經濟新聞》4日報道稱,中國政府將于近期向中國三大電信運營商(中國移動、聯通、電信)發放新一代通信標準“5G”的商用牌照。報道稱,中國工信部如今將2019年視為“5G商用元年”,華為和小米等中國大型智能手機制造商正在籌備在國內上市5G智能手機。如果智能手機廠商結合5G牌照的發放投放新產品,有望推高中國國內市場的消費。

    截至目前,韓國、美國、瑞士、英國已經開通了5G服務。全球移動通信系統協會預計,到今年年底,全球將有29個市場開通5G服務,連接數達到1000萬個。相關預測顯示,到2035年,5G將在全球創造12.3萬億美元經濟產出,超過2016年中國、日本、德國、英國和法國的消費支出總和。

    如此的消費紅利,讓各國紛紛加速5G發展,爭奪技術制高點。根據美國國防部的相關報告,中國、韓國、美國和日本在發展5G領域處于領先地位;英國、德國和法國可以被視為“第二梯隊”;新加坡、俄羅斯和加拿大則構成“第三梯隊”。

    中國技術基本達到商用水平

    中國5G商用時間表提前一年,不少民眾最關心的話題是,我們準備好了嗎?相關專家表示,從技術層面而言,我們已經基本準備完成。工信部副部長陳肇雄此前表示,我國5G技術和產品日趨成熟,系統、芯片、終端等產業鏈主要環節已基本達到商用水平,具備商用部署的條件。

    此外,通信行業的發展是需要在使用中去不斷完善。因此即便韓美等國的5G服務存在基站少、網絡不穩定等諸多問題,距離網絡成熟還需要數年時間,但各國仍不肯坐等技術成熟。通信專家張弛4日接受《環球時報》記者采訪時表示,全球各大運營商都在5G領域發力,美國通信運營商AT&T甚至搞出“假5G”。他認為,嚴格來說,美國發展5G的條件比中國差得多,因為5G的基礎核心是光纖骨干網,美國在這方面非常差,而中國光纖入戶在發達省份的比例達到90%。另外,美國發展5G的技術路線也與中國不同,美國選擇毫米波,中國是厘米波。美國如此選擇的部分原因是美國整個厘米波波段都被軍方和其他工業部門占用了。當前美國發展5G的基礎比中國更差,還在努力往前趕,所以中國選擇今年發布5G商用,在邏輯上也沒有問題。

    中國信息通信研究院政策與經濟研究所高級工程師龔達寧說:“我國在5G技術、標準、產業初步建立了競爭優勢。”據介紹,我國倡導的5G概念、應用場景和技術指標已納入國際電信聯盟(ITU)的5G定義,我國企業提出的靈活系統設計、極化碼、大規模天線和新型網絡架構等關鍵技術已成為國際標準的重點內容。截至今年5月,在全球20多家企業的5G標準必要專利聲明中,我國企業占比居首位。

    應對美國政府打壓

    張弛表示,美國特朗普政府正在全球打壓擁有5G領先技術的中國華為公司,如今中國政府發布5G商用牌照,釋放出在5G競爭中“我們絕不退讓”的信號。《日本經濟新聞》稱,中國政府擬通過發放5G牌照推動高達20萬億日元規模的5G投資,支持華為等中國企業,以此抗衡特朗普政府。“例如在中國移動今年1月實施的5G基站招標中,華為獲得一半的份額。這可能是有意增加華為的收益”。

    不過報道也注意到,與美國的惡意打壓不同,中國發展5G更注重國際合作。中國工信部強調,“在技術規范制定階段,諾基亞、愛立信、高通、英特爾等多家國外企業已深度參與,在各方共同努力下,我國5G已經具備商用基礎”,并表示“歡迎國內外企業積極參與”,彰顯出對外開放的姿態。

    日本時事通訊社4日稱,日本也在致力于5G建設,雖然日本政府先前接受美國建議,將華為從政府采購品供應商名單中刪除,但日本企業并沒有效仿這一做法,使用華為設備的日本企業依舊不打算徹底中止和華為的合作。▲

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