Fundamental to all wireless communications is modulation, the process of impressing the data to be transmitted on the radio carrier. Most wireless transmissions today are digital, and with the limited ...

Until the last few years, the narrow bandwidth (300kHz) of the 950MHz radio channels, which was adequate for the audio and technical standards of the all-analog world, was insufficient to handle the ...

Portable wireless devices are becoming smaller, lighter, and more powerful with each new generation of cell phone technology. In the eyes of users, this trend is a wonderful addition. For designers, ...

Error detection and correction has got a great practical importance in maintaining information (data) integrity across noisy channels. Convolutional encoding is ...

Doing more with less in electronics often means improving power density. One of the new areas garnering attention involves applying a variety of advanced modulation techniques, including PWM and space ...