Pulse shaping signals for ultrawideband communication
Pulsed signal device characterization employing adaptive...
Pulsed signal device characterization employing adaptive...
Push to talk system
Push-to-talk call setup for a mobile packet data dispatch...
Push-to-talk communication management system
Push-to-talk event triggered location operation in a...
Push-to-talk group call system using CDMA 1x-EVDO cellular...
Push-to-talk mobile communication terminals
Push-to-talk mobile communication terminals
Push-to-talk over cellular system, portable terminal, server...
Push-to-talk reverse channel establishment
Push-to-talk reverse channel establishment
Push-to-talk signaling and media inter-working architecture
Push-to-talk signaling and media inter-working architecture