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          主頁 > TAG標簽 > iDen

          • 通信老兵深度講解什么是專網通信05月04日

            前言 筆者在壇子里潛水多年,看到了很多令人叫絕的優秀文章,尤其是那些描述個人工作經驗的帖子,讓我受益匪淺。作為一個工作近十年的通信人,我也想把我工作中總結出來的一些東西分享給各位朋友,但苦于沒有什么思路,也擔心自己這不入流的文筆會被拍磚致死

            Tags:McWiLL, LTE, 專網, B-TrunC, TETRA, iDEN, GoTa, PDT
          • 數字集群通信標準面面觀(三個標準的比較)12月09日

            目前國際上數字集群調度系統存在TETRA、iDEN和FHMA三種較為先進的技術體制: 歐洲電信標準協會(ETSI)開發的TETRA(TErrestrial TRunked Radio)系統、是一個空中接口信令開放的系統; 以色列RAFAEL研發的跳頻多址FHMA系統(Frequency Hopping Multiple Acc

            Tags:TETRA, 數字集群, 集群通信, iDEN, FHMA
          • SouthernLinc: We're committed to iDEN network through 202004月22日

            SouthernLinc, a smaller wireless carrier that provides service in parts of Alabama, Georgia, Florida and Mississippi, said it has committed to maintaining its iDEN network through at least 2020. The company said it made the commitment in o

            Tags:iDEN
          • LTE寬帶集群系統將在鐵路無線通信領域發揮作用02月13日

            目前,在垂直行業市場,以TETRA、 PDT、 P25、 iDen為代表的窄帶數字集群得到了廣泛應用,但這些窄帶集群只支持語音集群業務,不能支持視頻監控、數據采集等寬帶數據業務。而工業信息化的發展正驅動著行業市場寬帶需求的快速增長:根據華為公司分析,在2013

            Tags:鐵路無線通信, TD-LTE, UIC, 窄帶數字集群, iDen, P25, PDT, TETRA, eLTE, 華為, 互聯互通
          • Sprint為何關閉350億美元的iDEN業務?09月08日

            Sprint收購Nextel被很多人看成是一個愚蠢的選擇,從純粹的投資回報率的角度來看的確是如此。2008年初,Sprint就宣布注銷收購Nextel及幾家小公司產生的全部約307億美元的商譽。這意味著Sprint當初為收購付出了太高的溢價。但如果從Sprint自身的生存角度來看,

            Tags:Nextel, iDEN, Sprint
          • 數字集群標準Tetra與iDEN兩種體制產品的應用分析09月02日

            我國數字集群通信標準的討論和制定差不多用了兩年左右的時間,2000年12月28日信息產業部已批準發布《數字集群通信系統體制》電子行業標準,這是一個電子行業推薦性標準,此標準確定TETRA和iDEN兩個系統都可在我國建網運行和運營。當然系統設備必須經我國無線

            Tags:Tetra, iDEN
          • 常用的十項專業數字通信標準08月17日

            常用的十項專業數字通信標準 一、PDT(Police Digital Trunking)警用數字集群標準 PDT是具有中國自主知識產權的集群通信標準,著眼未來數字對講機技術發展方向,可滿足多數集群通信行業用戶的需求。PDT標準充分考慮了中國國情,如頻譜資源緊缺,東西部發展

            Tags:數字通信標準, PDT, TETRA, DMR, dPMR, NXDN, DCR, DSRR, GOTA, ARC, IDEN, GT800
          • 8美元無限通話 摩托羅拉推語音對講平臺07月21日

            據國外媒體報道,近日摩托羅拉公司推出了一項叫做PRIP的語音對講平臺,雖然說美國通信公司Sprint的iDEN通信系統已經癱瘓,但語音對講功能還沒有失效,現在用戶通過無線網絡或者數據資料即可實現語音對講功能。 8美元無限通話 摩托羅拉推語音對講平臺(圖片引

            Tags:摩托羅拉, 語音對講, PRIP, Sprint, iDEN
          • Wataniya Invests in Saudi iDEN Operator08月08日

            Wataniya International, the regional mobile network operator in the Middle East has announced that it has increased its investment in Saudi Arabias telecommunications market, increasing its share in Bravo, the Kingdoms only iDEN network, t

            Tags:iDen, Wataniya
          • Sprint selects network project vendors, will start shutting11月11日

            Sprint(NYSE: S)yesterday unveiled its Network Vision blueprint to deploy a cost-effective, innovative network plan to further enhance voice quality and data speeds for customers across the United States. Sprints Network Vision is expected

            Tags:iDen, Sprint
          • Sprint to Drop Nextel Name After Softbank Deal01月12日

            Nextel, an upstart mobile operator formed in the 1990s that attracted a loyal following in construction and other trades, looks set to disappear after Japans Softbank buys 70 percent ofSprintNextel. After the closing of the deal, forecast

            Tags:iDen, Sprint, Softbank
          • Sprint與摩托羅拉簽署3年期iDEN合同01月03日

            北京時間12月23日凌晨消息(蔣均牧)美國第三大移動運營商SprintNexte已確認至少在未來3年內將繼續購買摩托羅拉的iDEN服務。該運營商最近宣布計劃將其iDEN用戶遷移至升級后的CDMA網絡,但這一進程需要花費漫長的時間。 新的協議正式將Sprint和摩托羅拉解決方

            Tags:Sprint, 摩托羅拉, iDEN
          • Sprint Extends iDEN&reg; Network Supply Agreement with M10月08日

            Two new iDEN handsets announced for availability in the first quarter; Additional devices planned for 2011. Sprint (NYSE: S) and theMotorolaSolutionsbusinessof Motorola (NYSE: MOT) announced an agreement to extend Motorolas support of the

            Tags:iDen, Motorola
          • Sprint to shut down iDEN network11月12日

            Make no mistake thatSprints iDEN network is not long for this world. In an interview with Fierce Wireless today, Sprint CEO Dan Hesse said eventually the carrier will replace its iDEN 800MHz spectrum with enhancedCDMAcoverage. Though Hesse

            Tags:iDen, Sprint
          • iDEN users hit 10 million outside US, Motorola said11月03日

            The number of mobile subscribers connected to iDEN networks has reached 10 million outside the U.S.,Motorolaannounced on Thursday. According to Motorola, which developed the technology, more than 30 operators worldwide are running iDEN net

            Tags:iDen, Motorola
          • NII Holdings Extends iDEN&reg; Networks Contract with Mo11月12日

            Agreement represents strong commitment fromMotorolaand NII Holdings to iDEN technology. The Motorola Solutionsbusinessof Motorola, Inc. (NYSE: MOT) and NII Holdings, Inc. (NASDAQ: NIHD) today announced they have agreed to extend Motorolas

            Tags:iDen, Motorola
          • Motorola’s iDen Business Adds Little to its Stock06月11日

            Motorola(NYSE:MOT) recently announced thatNokia(NYSE:NOK) will acquire most of its wireless network equipmentbusinessfor $1.2 billion in cash. In addition to Nokia, Motorola competes with Ericsson (PINK:ERIXF) and Huawei in this market. Ac

            Tags:iDen, Motorola
          • Sprint signs $2bn outsourcing deal with Ericsson04月01日

            SprintNextel is reported to have taken the plunge and signed a $2bn network outsourcing agreement with Ericsson, in a move it has been considering for months. Although Ericsson has been named as the partner by sources since the start of th

            Tags:iDen, Sprint
          • Motorola i1 Goes to Canada on TELUS’ Mike and Airtel10月10日

            A new mobile phoneis on its way to the Canadian market, set to offer users in the country the possibility to try outGoogles Android operating system in a rugged design, namely theMotorolai1. The handset was announced officially several mon

            Tags:iDen, Motorola
          • More Signs Sprint Is Absolutely Going LTE04月06日

            For much of the last yearSprintinsiders have been telling us that Sprint absolutely is making the jump toLTE, despite half-hearted protestations from Sprint CEO Dan Hesse. Not only is Sprint going LTE, but the company is working on a massi

            Tags:iDen, Sprint, LTE

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