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 Channel Based Medium Access Control for Ad Hoc Wireless Networks. Basic Principles, Rate adaptation and control
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Channel Based Medium Access Control for Ad Hoc Wireless Networks. Basic Principles, Rate adaptation and control

автор Manzur A. издательство Книга по Требованию Книги
Cтраниц 168        мягкая обложка       
Аннотация:Next, we extend the Channel MAC protocol to support multi-rate communications. This protocol can adapt to users movements as well as the environment changes. The speed, fairness, and resource utilisation in wireless communications are improved by the proposed protocol compared to existing techniques. We propose a mean-value based channel prediction scheme, which provides prediction with enough accuracy to be used in the Channel MAC protocol. We propose a safety margin based technique to provide auto rate adaptation of the multi-rate Channel MAC. This work proposed a novel communication protocol for dynamic, distributed wireless networks. A scalable channel prediction scheme is required to implement the practical Channel MAC protocol in practice.
Автор: Manzur A.
Издательство: Книга по Требованию
Год:2010
Цена:
2625 руб
Нет в наличии
Поиск: Channel Based Medium Access Control for Ad Hoc Wireless Networks. Basic Principles, Rate adaptation and control
НОВЫЙ ГОД СИМВОЛ 2013 ГОДАУКРАШЕНИЯ
КАРНАВАЛ НА НОВЫЙ ГОД РАСПРОДАЖА
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Технология WiMax

Он описывал общие принципы построения систем широкополосного беспроводного доступа и сосредотачивался на диапазоне 10-66 ГГц. 10 сентября 2001 года увидел свет стандарт IEEE 802.16.2 «Coexis e ce of Fixed Broadba d Wireless Access Sys ems» (сосуществование фиксированных систем широкополосного беспроводного доступа). Над более низкочастотным диапазоном работы продолжались чуть дольше – стандарт 802.16а «Medium Access Co rol Modifica io s a d Addi io al Physical Layer Specifica io s for 2-11 GHz» (модификации управления доступа к среде передачи и дополнительные спецификации физического уровня для диапазона 2-11 ГГц), регламентирующий работу в диапазоне 2-11 ГГц, был утвержден 29 января 2003 года, а 1 апреля опубликован. На рисунке 1 показано место стандарта 802.16 в иерархии стандартов IEEE 802. Место стандарта 802.16 в иерархии стандартов IEEE 802 Рис. 1 Физический и канальный уровни IEEE 802.16 Все стандарты группы 802.16 описывают два нижних уровня модели взаимодействия открытых систем (OSI) – физический и уровень контроля доступа к среде передачи (MAC – Medium Access Co rol)1.
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