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The Open Base Station Architecture Initiative (OBSAI) was a trade association created by Hyundai, LG Electronics, Nokia, Samsung and ZTE in September 2002 with the aim of creating an open market for cellular network base stations. The hope was that an open market would reduce the development effort and costs traditionally associated with creating base station products. ==Goal== The OBSAI specifications provided the architecture, function descriptions and minimum requirements for integration of a set of common modules into a base transceiver station (BTS). It: * defined an internal modular structure of wireless base stations. * defined a set of standard BTS modules with specified form, fit and function such that BTS vendors can acquire and integrate modules from multiple vendors in an OEM fashion. * defined internal digital interfaces between BTS modules to assure interoperability and compatibility. * supported different access technologies such as GSM, Enhanced Data Rates for GSM Evolution (EDGE), CDMA2000, WCDMA or IEEE 802.16 marketed as WiMAX. This was intended to provide the BTS integrator with flexibility. A version 2.0 system reference document was published in 2006. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Open Base Station Architecture Initiative」の詳細全文を読む スポンサード リンク
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