Integrating Bluetooth in the GSM cell phone infrastructure 
Sep 1, 2001 12:00 PM, By Steve Brown, Mark Lane, Dino Fernandez
click here for article We've all heard the distinct sound in elevators, at restaurants, during meetings, even at church: the cell phone ring. The sound...

Designing a ZigBee-ready IEEE 802.15.4-compliant radio transceiver 
Nov 1, 2004 12:00 PM, By Khanh Tuan Le
Besides highlighting the physical (PHY) and MAC layers of the IEEE 802.15.4 standard, and the network, security and application layers of the ZigBee wireless technology, this article focuses on efficient implementation of IEEE 802.15.4-compliant radio-on-a-chip by identifying potential low-power features in the standard, suitable transceiver architectures and considering standard CMOS design issues....

 

 

 

A direct-conversion transmitter for WiMAX and WiBro applications 
Jan 1, 2006 12:00 PM, By Cecile Masse
The use of high data rate OFDM modulation translates into challenging requirements for the transmitter in terms of spectral quality and EVM. This calls for low distortion, good signal balance and low phase error. This article will focus on the challenges and advantages associated with implementing a direct conversion transmitter....

 

 

 

Understanding mode S technology 
Dec 1, 2005 12:00 PM, By Wes Stamper
What is mode S? How does it work and why is it needed? What was wrong with the old mode A and C? What is Flight ID, UF and DF, squitter and elementary...