SIP in 3G wireless networks: Service models, architecture, and network design. - Carlos Urrutia-Valdés; Amit Mukhopadhyay; Mohamed El-Sayed 007; Zulfiquar Sayeed; Dong Sun 002 (Bell Labs Tech. J., 2004)

Presence and availability with IMS: Applications architecture, traffic analysis, and capacity impacts. - Carlos Urrutia-Valdés; Amit Mukhopadhyay; Mohamed El-Sayed 007 (Bell Labs Tech. J., 2006)

IMS service enhancement layer: A quantitative value proposition. - Ying Hu; Amit Mukhopadhyay; Zulfiquar Sayeed; Carlos Urrutia-Valdés; Mohamed El-Sayed 007 (Bell Labs Tech. J., 2007)

An analysis of capital expenses and performance trade-offs among IMS CSCF deployment options. - Anne Lee; Carlos Urrutia-Valdés (Bell Labs Tech. J., 2008)

Delivering quality of experience in multimedia networks. - Harold J. Batteram; Gérard Damm; Amit Mukhopadhyay; Laurent Philippart; Rhodo Odysseos; Carlos Urrutia-Valdés (Bell Labs Tech. J., 2010)

Mobile data explosion: Monetizing the opportunity through dynamic policies and Qos pipes. - Mohamed El-Sayed 007; Amit Mukhopadhyay; Carlos Urrutia-Valdés; Z. John Zhao (Bell Labs Tech. J., 2011)

Macro and Small Cell/Wi-Fi Networks: An Analysis of Deployment Options as the Solution for the Mobile Data Explosion. - Perminder Dhawan; Amit Mukhopadhyay; Carlos Urrutia-Valdés (Bell Labs Tech. J., 2013)