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The Mobile Broadband WiMAX Standard [Standards in a Nutshell]

机译:移动宽带WiMAX标准[简而言之,标准]

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摘要

Mobile worldwide interoperability for microwave access (WiMAX) is a wireless standard that introduces orthogonal frequency division multiple access (OFDMA) and other key features to enable mobile broadband services at a vehicular speed of up to 120 km/h. WiMAX complements the and competes with wireless local area networks (WLANs) and the third generation (3G) wireless standards on coverage and data rate. More specifically, WiMAX supports a much larger coverage area than WLAN, does not require line of sight for a connection, and is significantly less costly compared to the current 3G cellular standards. Although the WiMAX standard supports both fixed and mobile broadband data services, the latter have a much larger market. Therefore, this article will briefly present the Mobile WiMAX standard, the technologies deployed for the air interface and the network, and the development of the standards to support mobile multihop relays in a WiMAX network.
机译:移动全球微波访问互操作性(WiMAX)是一种无线标准,引入了正交频分多址(OFDMA)和其他关键功能,可实现高达120 km / h的车速移动宽带服务。 WiMAX在覆盖范围和数据速率方面是无线局域网(WLAN)和第三代(3G)无线标准的补充,并与之竞争。更具体地说,与当前的3G蜂窝标准相比,WiMAX支持的覆盖范围比WLAN大得多,不需要连接的视线,并且成本大大降低。尽管WiMAX标准同时支持固定宽带和移动宽带数据服务,但后者拥有更大的市场。因此,本文将简要介绍Mobile WiMAX标准,为空中接口和网络部署的技术以及支持WiMAX网络中的移动多跳中继的标准的开发。

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