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Rangamani Sundar

AT&T

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Publication

Featured researches published by Rangamani Sundar.

Archive | 1998

System and method for multiple asynchronous text chat conversations

Antonio DeSimone; Elizabeth A. Hohne; Rangamani Sundar; Vishwanathan Thiagarajan; Kumar K. Vishwanathan

Archive | 2002

Method, system, and apparatus for a mobile station to sense and select a wireless local area network (WLAN) or a wide area mobile wireless network (WWAN)

Rangamani Sundar; Murali Aravamudan; Shamim A. Naqvi; Prakash R. Iyer; Kumar K. Vishwanathan; Gurudutt Upendra Pai

Archive | 2002

Method, system and apparatus for providing mobility management of a mobile station in WLAN and WWAN environments

Rangamani Sundar; Murali Aravamudan; Shamim A. Naqvi; Prakash R. Iyer; Kumar K. Vishwanathan; Gurudutt Upendra Pai

Archive | 2002

Method, system and apparatus for internetworking a mobile station to operate in a WWAN environment and in a WLAN environment with PBX services

Rangamani Sundar; Murali Aravamudan; Shamim A. Naqvi; Prakash R. Iyer; Kumar K. Vishwanathan; Gurudutt Upendra Pai

Archive | 2002

Method, system and apparatus for providing wwan services to a mobile station serviced by a wlan

Rangamani Sundar; Murali Aravamudan; Shamin A. Naqvi; Prakash R. Iyer; Kumar K. Vishwanathan; Gurudutt Upendra Pai

Archive | 2001

System and method of group calling in mobile communications

Kumar K. Vishwanathan; Rangamani Sundar; Murali Aravamudan; Shamim A. Naqvi; Kajamalai G. Ramakrishnan; Prakash R. Iyer

Archive | 2007

Methods for marketing digital content to mobile communication device users

Kumar K. Vishwanathan; Prakash R. Iyer; Rangamani Sundar

Archive | 2010

Context Enhanced Marketing of Content and Targeted Advertising to Mobile Device Users

Prakash R. Iyer; Rangamani Sundar; Manish Jha; Kumar Raman; Michael Katzenellenbogen

Archive | 2006

Systems and methods for providing concurrent mobile applications to mobile communication devices

Kumar K. Vishwanathan; Prakash R. Iyer; Rangamani Sundar

Archive | 2007

System and Method for Sending Mobile Media Content to Another Mobile Device User

Kumar K. Vishwanathan; Prakash R. Iyer; Rangamani Sundar; James A. Goldstein

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Collaboration

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Kumar K. Vishwanathan

AT

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Murali Aravamudan

Alcatel-Lucent

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Shamim A. Naqvi

Alcatel-Lucent

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Gurudutt Upendra Pai

Verizon Communications

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Murali Aravamudan

Alcatel-Lucent

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Depankar Neogi

Motorola

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Kajamalai J Ramakrishnan

Motorola

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Kajamalai G. Ramakrishnan

Alcatel-Lucent

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Antonio DeSimone

AT

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Elizabeth A. Hohne

AT

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