By Loutfi Nuaymi
WiMAX Broadband instant entry know-how, in line with the IEEE 802.16 ordinary, is on the foundation of serious gives you for plenty of diversified markets protecting mounted instant web entry, Backhauling and cellular mobile networks. WiMAX know-how is designed for the transmission of multimedia providers (voice, net, e-mail, video games and others) at excessive facts charges (of the order of Mb/s in line with user). it's a very strong yet occasionally advanced technique.The WiMAX process is defined in hundreds of thousands of pages of IEEE 802.16 common and amendments files and WiMAX discussion board records. WiMAX: know-how for Broadband instant entry presents a world photo of WiMAX and quite a few information that makes entry to WiMAX files a lot more uncomplicated. all of the elements of WIMAX are coated. Illustrations and transparent factors for all of the major systems of WiMAX are pedagogically offered in a succession of rather brief chaptersTopics lined contain WiMAX genesis and framework, WiMAX topologies, protocol layers, MAC layer, MAC frames, WiMAX a number of entry, the actual layer, QoS administration, Radio source administration, Bandwidth allocation, community structure, Mobility and SecurityFeatures a thesaurus of abbreviations and their definitions, and a wealth of explanatory tables and figuresHighlights the latest alterations, together with the 802.16e modification of the traditional, wanted for cellular WiMAXIncludes technical comparisons of WiMAX vs. 802.11 (WiFi) and mobile 3G technologiesThis technical creation to WiMAX, explaining the relatively complicated criteria (IEEE 802.16-2004 and 802.16e) is a needs to learn for engineers, decision-makers and scholars attracted to WiMAX, in addition to different researchers and scientists from this evolving box.
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Extra info for WiMAX: Technology for Broadband Wireless Access
16e document, it is the type of standardised OFDMA. For OFDMA and SOFDMA, see Chapter 5. Security (privacy sublayer). The security of 16-2004 is completely updated (see Chapter 15). 16e (see Chapter 12). Multicast and broadcast services (MBS) feature. 2 Some WiMAX Forum members Manufacturers Service providers • • 15 Airspan, Alcatel, Alvarion, Broadcom, Cisco, Ericsson, Fujitsu, Huawei, Intel, LG, Lucent, Motorola, Navini, Nokia, Nortel, NEC, Proxim, Sagem, Samsung, Sequans, Siemens, ZTE, etc. British Telecom, France Telecom, KT (Korea Telecom), PCCW, Sprint Nextel, Telmex, etc.
The standard indicates that this provides flexibility to define channelisation sets for current and future regulatory domains. 1). 9. The measurements must be made using the 100 kHz resolution bandwidth. The 0 dBr level is the maximum power allowed by the relevant regulatory body. 1 License-exempt band channels. Current applicable regulations do not allow this standard to be operated in the CEPT band B. 16-2004 . Copyright IEEE 2004, IEEE. 2). 16-2004 . Copyright IEEE 2004, IEEE. 3 WiMAX Frequencies, Regulations and Availability In this section, some of the frequencies that are expected to be used for WiMAX are given.
E. no specific technology or other requirements are mandatory. Only frequency filter shapes and maximum transmitted power are indicated. For example, in these bands, an operator can have 3G or UMTS. However, not all attributed frequencies are agnostic. In some countries, a WiMAX licensed band may only be used for WiMAX operation. Additional constraints may also exist. For example, WiMAX cannot be used for mobile operations in some countries. The standard indicates that the RF (Radio Frequency) centre frequency is the centre of the frequency band in which a BS or an SS may transmit.
WiMAX: Technology for Broadband Wireless Access by Loutfi Nuaymi