Read e-book online 802.11 Wireless Networks: Security and Analysis PDF
By Alan Holt
Wireless communique has the good thing about mobility and obviates the necessity for cabling, yet is inherently much less safe and is topic to the heavy rules of the radio frequency spectrum. however, the allocation of unlicensed components of the spectrum has facilitated the expansion in instant neighborhood sector networks (WLANs). WLAN know-how is progressing at a fast velocity, however the most generally authorized WLAN regular is the IEEE 802.11.
This special and hugely sensible textual content introduces the foundations of WLANs dependent upon the IEEE 802.11 criteria, demonstrating the way to configure apparatus on the way to enforce numerous community recommendations. Readers will achieve realizing of the protection implications of instant networks and find out how vulnerabilities may be mitigated. also, the publication examines the underlying 802.11 protocols and explains find out how to construct mathematical types to be able to examine functionality in a WLAN environment.
Topics and Features:
- Presents a pragmatic procedure supported through the vast use of examples and unique instructions
- Discusses quite a few instant community strategies throughout a couple of varied seller structures, together with Cisco Aironet, Alactel-Lucent Omniaccess and Meru Networks
- Provides a number of mathematical versions for examining the functionality of IEEE 802.11 criteria, and indicates the way to construct those types utilizing Maple
- Examines problems with instant safety and describes how you can enforce a instant community with firm security
- Investigates the medium entry regulate sub-layer, and versions for functionality research of the MAC layer
- Reviews the actual sub-layers of 802.11, describing modulation thoughts and interpreting how units adapt to adjustments within the RF environment.
A hugely priceless text/reference for pros, undergraduate and graduate-level scholars also will locate this e-book an incredible spouse to a school direction on instant networking.
Dr. Alan Holt is leader Technical Officer on the community consultancy corporation IP functionality Ltd., dependent in Bristol, united kingdom. he's writer of the preferred Springer textual content Network functionality research: utilizing the J Programming Language.
Dr. Chi-Yu Huang works for Tata applied sciences Ltd., and is presently a software program advisor at the Airbus venture in Bristol. She used to be previously Operations supervisor for DL Consulting, New Zealand.
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Extra info for 802.11 Wireless Networks: Security and Analysis
2. The fade margin accounts for the losses experienced due to multi-path fading. This fade margin can be anything up to 30 dB. 5 Book Outline The organisation of the book is outlined as follows: Chapter 2: Radio Frequencies. We introduce the basic principles of the electromagnetic spectrum with respect to radio frequencies (RF). We focus on the part of the spectrum where WLANs operate; namely, microwave frequencies. Radio wave propagation methods are discussed in detail. RF regulation with respect to WLANs is also covered in this chapter.
This shows the number of WLANs operating in the vicinity of one of the authors. The location of this wireless scan was a small rural town in Wiltshire, UK. 4 GHz frequency band. Yet, This town is not a densely populated metropolitan city. If we may be allowed to submit somewhat more anecdotal evidence, a few miles away, in the city centre of Bristol, the iPhone of one of the authors detected more that 100 wireless hotspots in its new shopping complex! 11 devices. 4 GHz band, often called the industrial, scientific and medical (ISM) band, is also open to other communication devices, such as cordless telephones (DECT), baby monitors and Bluetooth devices.
Spectrum licensing ensures reliable frequency usage, but has been argued that it is inefficient . When a frequency band is subject to open regulation, operating within the band does not require a license. An open frequency band can be shared by many users, thus achieving greater efficiency. Uncoordinated access to the band, however, could render the frequency band unusable. For this reason, a minimum standard of etiquette is imposed on its usage. Like open frequency bands, unlicensed bands do not require a license.
802.11 Wireless Networks: Security and Analysis by Alan Holt