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Raghu Challa

Qualcomm

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Publication

Featured researches published by Raghu Challa.

Archive | 2002

Direct conversion receiver architecture

Tao Li; Christian Holenstein; Inyup Kang; Brett C. Walker; Paul E. Peterzell; Raghu Challa; Matthew L. Severson; Arun Raghupathy; Gilbert C. Sih

Archive | 2006

Systems, methods, and apparatus for frequency control

Emilija M. Simic; Christopher Patrick; Raghu Challa; Douglas Neal Rowitch

Archive | 2002

Systems and techniques for channel gain computations

Peter J. Black; Nagabhushana T. Sindhushayana; Raghu Challa; Rashid Ahmed Akbar Attar

Archive | 2005

Interference suppression with virtual antennas

Raghu Challa; Roland R. Rick

Archive | 1999

Method and apparatus for compensating for frequency drift in a low frequency sleep clock within a mobile station operating in a slotted paging mode

Raghu Challa; Ihab Barghouti; Dung Nguyen

Archive | 2001

Multipath doppler-adjusted frequency tracking loop

Gilbert C. Sih; Avneesh Agrawal; Mark Roh; Brian K. Butler; Raghu Challa

Archive | 2001

Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system

Raghu Challa; Gilbert C. Sih; Serguei A. Glazko

Archive | 2001

Method and apparatus for acquiring and tracking pilots in a CDMA communication system

Raghu Challa; Gilbert C. Sih

Archive | 2001

Apparatus and method for calibrating local oscillation frequency in wireless communications

Gilbert C. Sih; Raghu Challa

Archive | 2003

Gain control for communications device

Peter J. Black; Nagabhushana T. Sindhushayana; Raghu Challa; Kevin Seltmann

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Collaboration

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Gilbert C. Sih

Qualcomm

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Hemanth Sampath

Qualcomm

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Arunava Chaudhuri

Qualcomm

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Peter J. Black

Qualcomm

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Serguei A. Glazko

Qualcomm

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Brian Clarke Banister

Qualcomm

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Nagabhushana T. Sindhushayana

Qualcomm

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Shivratna Giri Srinivasan

Qualcomm

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Arun Raghupathy

Qualcomm

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Huilin Xu

Qualcomm

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