RCR Wireless News and Cisco SP Mobility have real-time live tweets from 4G World 2009. Here are some noteworthy LTE-related tweets:
* AT&T's Rinne says LTE deployments planned for 2011. 700Mhz exclusively.
* AT&T targeting 2012 for voice over LTE.
* AT&T's femtocell plans focused on HSPA/3G; not LTE, yet. Will look to share costs with consumers on devices.