Designing and Deploying 802.11n Wireless Networks

 

Gain a realistic knowing of the underlying thoughts of the 802.11n usual and the methodologies for finishing a profitable instant community installation

 

Practical, start-to-finish advice for profitable deployment of 802.11n instant LANs

 

With the ratification of the 802.11n instant LAN typical, millions of businesses are relocating quickly towards implementation. despite the fact that, 802.11n is particularly varied from legacy 802.11a, 802.11b, and 802.11g instant criteria, and winning deployment calls for new wisdom and strategies. during this ebook, best instant professional Jim Geier systematically offers all of the info and assistance that community architects, engineers, directors, and bosses have to maximize the functionality and company price of recent 802.11n networks.

Drawing on large event with real-world 802.11n deployments, Geier courses you thru the whole venture lifecycle: making plans, layout, set up, checking out, tracking, and aid. each one part of instant LAN deployment is geared up into truly outlined steps, and a number of case reviews and hands-on workouts convey tips to practice each one process.

You’ll locate useful assistance for deploying in organisations with out current instant infrastructure, in addition to migrating from legacy 802.11a, 802.11b, or 802.11g networks. For handy reference, Geier additionally offers an in depth, up to date instant networking word list.

 

Jim Geier based Wireless-Nets, Ltd., and serves as its primary advisor. His 25 years of expertise comprise research, layout, implementation, install, and help of instant network-based strategies for towns, corporations, airports, brands, warehouses, hospitals, and different amenities around the world. he's writer of greater than a dozen books, together with instant Networks - First Step and Deploying Voice over instant LANs (Cisco Press) and enforcing 802.1X protection options. He has been energetic with the IEEE 802.11 operating crew constructing foreign instant LAN criteria, and chaired the IEEE foreign convention on instant LAN Implementation.

 

  • Understanding 802.11n MAC, actual layer, and comparable criteria
  • Designing 802.11n instant networks for various situations: contemplating structure, variety, functionality, roaming, and RF issues
  • Migrating from 802.11a, 802.11b, and 802.11g instant networks
  • Choosing the best instruments and kit, and utilizing them effectively
  • Planning successfully: scoping tasks; developing paintings breakdown constructions; organizing groups, schedules, and budgets; defining specifications, and extra
  • Securing WLANs through encryption, authentication, rogue entry aspect detection, RF defensive, and polices
  • Performing website surveys and deciding upon optimal entry element locations
  • Installing and configuring instant LANs: making plans, staging, deployment, documentation, and more
  • Systematic trying out to enhance sign assurance, functionality, and security
  • Managing instant LANs: support table help, community tracking, upkeep, engineering, configuration administration, protection, instruments, and more
  • Troubleshooting 802.11n networks: making a choice on matters with connectivity, functionality, and more

 

 

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For instance, the Japan Radio corporation (JRC) and Runcom applied sciences, Ltd, an OFDMA chipset producer, proven on the CTIA convention the streaming of a high-definition television sign over cellular WiMAX Base Station gear and consumer Terminals in line with the 802. 16-2005 common. This setup used to be tweaked for top functionality, using the top FFT measurement (2K) and bandwidth (20 MHz) outlined within the average. This ended in 30-Mb/s throughput with apparatus working within the 2. 5-GHz band. This definitely exhibits that it's attainable to aid excessive definition television over WiMAX. There are definitely useful concerns to contemplate, notwithstanding, corresponding to affects of variety and numbers of clients at the functionality of the applying. To aid high-definition television supply, municipalities and method integrators needs to conscientiously layout the answer to fulfill wanted provider degrees. If this can be performed correct, WiMAX may perhaps supply a few festival to cable operators, specifically for cellular clients. word For a present record of qualified WiMAX gear, check with http://www. wimaxforum. org/kshowcase/view. bankruptcy 1: creation to instant LANs 29 There are huge vendors deploying cellular WiMAX in approved spectrum. Sprint-Nextel (teamed with Clearwire) has been engaged on the deployment of a national cellular WiMAX approach in lots of towns in the usa in response to dash, this WiMAX community will finally achieve a hundred million humans around the state. this is often all attainable simply because dash has an intensive protecting of the two. 5-GHz spectrum, which covers a wide percent (roughly eighty five percentage) of the families within the best a hundred U. S. markets. Sprint-Nextel will use 10-MHz channels, delivering finish clients with an ordinary 2- to 4-Mb/s downlink and 1-MBps uplink functionality. top speeds will probably be better, just like broadband cable. WiMAX will most likely turn into the dominant instant metropolitan-area community (MAN; and perhaps WAN) normal all over the world. dash has lately selected WiMAX as their 4G mobile expertise. This provides to a turning out to be checklist of units, reminiscent of laptop playing cards and cellphones, that both already or will very quickly supply WiMAX interfaces. even if WiMAX might be to be had in some of these units by way of the dates Intel is mentioning, the instant definitely looks gearing up consumer units for WiMAX. the particular proliferation of WiMAX-equipped consumer units, although, will rely hugely at the importance of cellular WiMAX community installations. The instant information is dotted on a daily basis with towns all over the world which are within the strategy of fitting and pilot checking out cellular WiMAX ideas. This leaves a solid effect that WiMAX is coming in an important means, and we’ll most likely be seeing plenty of WiMAXequipped person units quickly. For permitting consumer entry WiMAX networks, dash is pushing ahead with the improvement of WiMAX buyer adapters. dash has selected 3 brands. Samsung will supply workstation playing cards in either unmarried WiMAX mode and twin CDMA 1xEVDO/WiMAX mode. a bonus of the twin mode model is that clients could make use of WiMAX the place the preliminary WiMAX networks can be found, after which use CDMA in different parts.

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