Thursday, November 26, 2009

Free Tutorial site list

JAVA, ORACLE, VB, C, C++, HTML, XHTML, SQL, JAVA SCRIPT, TCPIP, .NET, COMPUTER HARDWARE & SOFTWARE, TROUBLESHOOTING, PHOTOSHOP, FLASH, WEB-DESIGN, & many more. Just visit the links below.


http://www.w3schools.com/

http://www.good-tutorials.com/

http://www.rnel.net/

http://www.adesdesign.net/

Saturday, November 21, 2009

Wi-MAX Technology

WiMAX(802.16) stands for World Interoperability for Microwave Access.

WiMAX is the replacement of the wired broadband.

Objective of WiMAX


  • Superior Performance

  • Flexibility

  • Advanced IP-Based Architecture

  • Attractive Economics

IEEE 802.16 Specifications

  • Range 30 mile radius from the base station for LOS (line-of-sight).

  • Range 4-6 miles radius from the base station for NLOS (Non-line-of-sight)

  • Maximum data speed supported as 70 Mbps.

  • Licensed frequency band: 2- 11 GHz

  • Un-licensed frequency band: 10- 66 GHz

  • Line of sight is not needed between user and the base station unless very high date rates are required at the user premises.