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 Performance of Wireless Mesh Networks. Experimental Studies of IEEE 802.11 and IEEE 802.16 solutions
Наименование:

Performance of Wireless Mesh Networks. Experimental Studies of IEEE 802.11 and IEEE 802.16 solutions

автор Nicola S. издательство Книга по Требованию Локальные и корпоративные сети
Cтраниц 152        мягкая обложка       
Аннотация:This lack of technology drove the development of the IEEE 802. 16 standard that defines the physical layer and the MAC sublayer targeted for wireless networking. The tests aim at characterizing the suitability of current mesh networking solutions to support multimedia flows. Currently deployed mesh networks use IEEE 802. 11 devices for wireless mesh connectivity. However, IEEE 802. 11 medium access control (MAC) is not so appropriate for commercial applications of mesh networks since it cannot provide Quality of Service (QoS). The purpose of this work is to introduce the mesh architecture through wide experimental studies building different type of testbeds. In this work, after an in-depth overview and discussion on the QoS support provided by WiMAX technology, I reported the results of a set of measurements performed on a WiMAX Alvarion testbed, located in Turin, Italy. Wireless Mesh Networks are emerging as novel networking paradigm capable of supporting application scenarios where quick installation and flexibility are a major requirement. In order to achieve this goal, some performance measurements have been obtained on an experimental WiFi-based mesh testbed.
Автор: Nicola S.
Издательство: Книга по Требованию
Год:2009
Цена:
2402 руб
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Поиск: Performance of Wireless Mesh Networks. Experimental Studies of IEEE 802.11 and IEEE 802.16 solutions
НОВЫЙ ГОД СИМВОЛ 2013 ГОДАУКРАШЕНИЯ
КАРНАВАЛ НА НОВЫЙ ГОД РАСПРОДАЖА
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Технология WiMax

Пользователям требуются все большие объемы трафика и скорости передачи данных – причем срочно. Современные мультимедийные приложения этому весьма способствуют. Ведь еще десять лет назад беспроводные локальные сети казались достаточно специальным инструментом. Сегодня – это массовый продукт, а термины Wi-Fi и WiMAX знают даже неспециалисты в связи. В августе 1998 года по инициативе Национальной испытательной лаборатории беспроводных электронных систем Национального института стандартов и технологии США ( a io al Wireless Elec ro ics Sys ems es bed of he U.S. a io al I s i u e of S a dards a d ech ology) встреча заинтересованных сторон, в результате которой комитет 802 IEEE организовал рабочую группу 802.16. С июля 1999 года группа приступила к регулярной работе. Изначально ее деятельность велась в трех направлениях: разработка стандарта для диапазона 10-66 ГГц (первоначально обозначался 802.16.1), для диапазона 2-11 ГГц (802.16.3), а также стандарта, регламентирующего совместную работу различных систем широкополосного беспроводного вещания (802.16.2). Уже в декабре 2001 года стандарт IEEE 802.16 «Air I erface for Fixed Broadba d Wireless Access Sys ems» (воздушный интерфейс для фиксированных систем с широкополосным беспроводным доступом) был утвержден и 8 апреля 2002 года официально опубликован.
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