Communication-system designers have always had to deal with trade-offs among data reliability, efficient use of available spectrum, data throughput, and cost. Error-correction coding (ECC) is one of ...
A set of turbo codes has been released to boost transit performance in wireless LAN (WLAN) applications. Using these codes, an 802.11a system can be configured to perform up to 5 dB over traditional ...
DOUG LUNG Twenty years ago broadcasters filled a 6 MHz channel with one analog color TV video signal that hardly matched the quality of today’s standard-definition digital TV pictures. Now ...