b-cdma 中文意思是什麼

b-cdma 解釋
寬帶碼分復用
  1. Firstly this paper researches present mobile communication technique of enhancing system capacity, next further researches basic principles of tdma and cdma system. based on these researches a new scheme is proposed that let broadband code division multiple access ( b - cdma ) system overlay on an existing narrowband digital cellular system ( i. e. gsm )

    本文首先研究了移動通信現有的擴容技術，其次深入研究了tdma系統和cdma系統的基本原理，在此基礎上提出了利用gsm與寬帶cdma系統同頻傳輸實現系統擴容的方案。
  2. The phs and cdma network ’ s management network had been developed on the uep. the fifth chapter mainly introduces and realizes the configuration management of node b. this project uses java

    本文在第五章研究和實現了wcdma基站（ nodeb ）部分網元設備的配置管理，這也是作者所做的主要工作。
  3. Nowadays, the evolution way of cdma system has been into is - 95 a / b - - cdma2000 1x - - ixev. first this paper emphasizes on the standard development, and key techniques of each phases. then we analysis the structure of the ixev - do forward and reverse link, and the improvement of technology and structure in forward and reverse channels

    本文首先對現階段cdma的演進路線： is - 95a b ? ? cdma20001x ? ? 1xev作了介紹，對其各個階段的標準發展狀況、特點以及關鍵技術等作了較為詳細的分析，並進一步說明其演進的平滑性及發展趨勢。
  4. Broadband cdma b - cdma

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