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System Parameter
Value Units Notes
Rx Sensitivity  -80/-76  dBm
Channel Separation  5  MHz
Turn Around Time  5  usec
SNRout or Eb/No  11.4  
Modulation Type  DBPSK/DQPSK/CCK  
Data Rate  1 to 11  Mbps
Operating Frequencies  2400-2484  MHz
Spread Spectrum  DSSS  
Number of Channels  13  
Frame Error Rate  8  %
Bandwidth  22  MHz

Circuit Sage Tools
Mathcad routines for cascaded system design:
Noise and linearity calculations for a receiver architecture
Mathcad routines for cascaded system design (.pdf):
Mathcad routines of cascaded system design in .pdf format
Mathcad routines for RF Circuit Design:
S-parameters, parameter conversion, stability, noise, power gain
Mathcad routines for RF Circuit Design (.pdf):
Mathcad routines of RF circuit design in .pdf format

Online Tools
RFSim99 is a free linear S-parameter based circuit simulator offering schematic capture, simulation, 1 port and 2 port S-parameter display and file support, tolerance analysis, stability circles, and much more.

Online Articles
Wikipedia's 802.11 page:
Overview of 802.11 flavors
Download the 802.11 standard specifications:
just don't send it to the printer
802.11 MAC:
Description of CSMA/CA

802.11 Wireless Networks: The Definitive Guide by M. Gast:
Topics covered: How IEEE 802.11a and 802.11b wireless networks (also known as WiFi networks) work, and how to configure your own. The framing specification is covered well, as are authentication protocols and (in detail) the physical phenomena that affect IEEE 802.11x radio transmissions. There's advice on how to design a wireless network topology, and how to go about network traffic analysis and performance improvement.
Besser Associates' IEEE 802.11 Operations:
"This three-day course covers the fundamentals of IEEE 802.11 short-range wireless communications. Participants will study indoor propagation characteristics and will be able to estimate range limits easily. A summary of government regulations is given and the techniques used by 802.11 to meet these regulations are described. The methods used by the various forms of 802.11 to modulate information are examined and compared. Next, the operation of 802.11b, 802.11g, and 802.11a networks is presented, along with IEEE 802.11n proposals to enhance throughput. A detailed analysis of how security is implemented, followed by a look at countermeasures to various attack strategies. Finally, coexistence between 802.11 and other wireless networks such as Bluetooth is analyzed and interference solutions are presented."
Wireless LAN Radios: System Definition to Transistor Design:
Product Description Wireless LAN Radios presents a sophisticated overview of the subject, covering theory while also emphasizing the practical aspects of this promising technology. Coverage includes 802.11 flavors and system requirements; receiver and transmitter radio architectures; analog impairments and issues; key radio building blocks; calibration techniques; case studies; and a brief discussion of 802.11n. It offers a meaningful presentation of real-world issues facing designers, engineers, theorists, and researchers working in this industry.