LAN

RUNNING HEAD: local area network AND WAN




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LAN AND WAN
local area network
Hardware software
Introduction
A satisfying evolution in wireless office and home LAN networks creates new opportunities for developing new products in this area providing internal flexibility and mobility advantages. The introduction of specialised warnings, such as the ETSI BRAN HIPERLAN=2 and the IEEE 802.11a, has opened the road to new products in this area. It has been estimated that more than 61 million wireless products will be shipped by 2006. (Brady, J., Monk, E. & Wagner, B. 2001, 11-45)
some(prenominal) aforementioned standards operate in the 5 GHz band, and two utilise orthogonal frequency division multiplexing (OFDM) for multicarrier transmission. (Brady, J., Monk, E. & Wagner, B. 2001, 11-45) The HIPERLAN=2 standard features many physical layer data rates, with a level best of up to 54 Mbps, using a combination of passage schemes and coding factors. Furthermore, it supports advanced quality of service (QoS). Features for streaming strait and video services [6].




The QoS features are provided by the medium glide slope declare
(MAC) layer of the protocol, through a central resource control scheme, which controls the link capability among access point and mobile terminals correspond to interference situations and distance. (Brady, J., Monk, E. & Wagner, B. 2001, 11-45)

Hardwaresoftware mapping and communication
An important labor during the design of the modem is the mapping of its processes to the used instruction-set Processors, i.e. software implemented processes, and to habit hardware, i.e. hardware implemented processes, as Well as the aspiration of the interface of the processes Implemented in the software with those implemented in the
Hardware. (Brady, J., Monk, E. & Wagner, B. 2001, 11-45)
The mapping scheme that is used in this development is heuristic program (based on our previous experience from the...If you want to get a full essay, order it on our website: Orderessay



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