Download Implementing 802.11, 802.16, and 802.20 Wireless Networks: by Ron Olexa PDF

By Ron Olexa

This isn't one other booklet approximately fitting a house or "hobby" wireless method. in its place, this ebook indicates you the way to plot, layout, set up, and function WLAN platforms in companies, associations, and public settings similar to libraries and lodges. In different phrases, this ebook is jam-packed with critical info for critical pros answerable for enforcing strong, excessive functionality WLANs masking parts as small as a espresso store or as huge as complete groups. Ron Olexa presents a fantastic origin in RF/wireless idea because it applies to WLANs. His certain, thorough insurance of propagation at GHz frequencies is helping you know the mysteries of WLAN insurance (such as the way it can swap from season to season because of foliage). you are going to additionally find out about antenna radiation styles and achieve so that you can layout you WLAN to have the insurance you would like with out inflicting interference to (or discomfort interference from) different WLANs. * Covers the generally used 802.11 kinfolk, in addition to the recent 802.16 and 802.20 criteria * specializes in immense advertisement community implementations, corresponding to in public constructions and companies * writer has over 25 years of expertise with mobile platforms and instant networks

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Extra resources for Implementing 802.11, 802.16, and 802.20 Wireless Networks: Planning, Troubleshooting, and Operations

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20 interface seeks to boost real-time data transmission rates in wireless metropolitan area networks to speeds that rival DSL and cable modem connections (1 Mbps or more). This will be accomplished with base stations covering radii of up to 15 kilometers or more, and it plans to deliver those rates to mobile users even when they are traveling at speeds up to 250 kilometers per hour (155 miles per hour). 20 an option for deployment in high-speed trains. 5 GHz. 16e. 20 standard in place by the end of 2004, but the group has been mired in conflict and has made little progress to date.

Lacking these particulars about the equipment can make it difficult to compare operating characteristics of the equipment, and analyze how a particular solution might fulfill your particular requirements. Happily, all is not lost. Generally, information about capacity and throughput is generally publicly available. The missing information usually relates to the actual RF operating characteristics of the hardware. , it is required to go through an FCC certification process. This certification is accomplished by an independent testing lab, which conducts tests and measurements on the equipment to assure that it meets the FCC’s technical requirements for the band in which it operates.

The job of this amplifier is the same as any amplifier: faithfully to create a higher power image of the signal presented to its input. The amplifier takes the low power presented by the oscillator and increases the power to a level that will be sufficient to transmit the radio energy across the path between the transmitter and receiver. Three important considerations in power amplification are power output, linearity, and efficiency. Power output is measured in watts. Linearity is defined as the operating parameters of the device that result in a linear gain relationship between the input and output.

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