1
Jan C Ault, Robbin D Hughes: Power-efficient acquisition of a CDMA pilot signal. QUALCOMM Incorporated, Russell B Miller, Roger W Martin, July 14, 1998: US05781543 (106 worldwide citation)

A system and method for acquiring a code division multiple access (CDMA) pilot signal having a pilot pseudonoise (PN) code offset in a CDMA communication system. A received signal is correlated with a first set of PN code offset hypotheses. If this first "full" search is unsuccessful in acquiring th ...


2
Jan C Ault, Paul T Williamson, Ilan Peer, Jennifer A Isaac, Alejandro R Holcman, Gwain Bayley: Method and apparatus for system determination in a multi-mode subscriber station. Qualcomm Incorporated, Russell B Miller, Roger W Martin, May 19, 1998: US05754542 (105 worldwide citation)

A method and apparatus for selecting a communication system in a multi-mode subscriber station. In the exemplary embodiment, the subscriber station capable of operating in both CDMA and analog modes comprises a analog modulation and demodulation and processing element and a CDMA modulation and demod ...


3
John R Sorenson, Jan C Ault, James A Hutchison IV: Method of acquiring an alternate communication system upon failure of reverse link communications. Qualcomm Incorporated, Russell B Miller, Roger W Martin, Charles D Brown, October 8, 2002: US06463298 (57 worldwide citation)

A wireless communication device automatically and seamlessly switches to an alternate, available system when it is unable to complete a call origination attempt, without requiring the user to take any affirmative actions to select the alternate system. The wireless communication device stores a list ...


4
Robert D Blakeney II, Paul T Williamson, Jan C Ault, John R Sorenson: Method and apparatus for performing preferred system selection. Qualcomm Incorporated, Philip R Wadsworth, Byron Yafuso, Tom Streeter, July 4, 2000: US06085085 (42 worldwide citation)

A method and apparatus for selecting a communication system in accordance with the geographic region in which the subscriber station is located. Upon successful acquisition, the subscriber station examines the received system identification information to determine its geographical region. The subsc ...


5
Jan C Ault, Robbin D Hughes, Samir S Soliman: Automatic system switching in a multiple-mode wireless communication device. QUALCOMM Incorporated, Russell B Miller, Roger W Martin, Charles D Brown, January 4, 2000: US06011978 (36 worldwide citation)

A wireless communication device which automatically and seamlessly switches to an alternate, available system when it is unable to complete a call origination attempt, without requiring the user to take any affirmative actions to select the alternate system or re-initiate a call origination. The wir ...


6
Robert D Blakeney II, Paul T Williamson, Jan C Ault, John R Sorenson: Method and apparatus for performing preferred system selection. Qualcomm Incorporated, Phillip Wadsworth, Kent D Baker, Byron Yafuso, October 15, 2002: US06466802 (32 worldwide citation)

A method and apparatus for selecting a communication system in accordance with the geographic region in which the subscriber station is located is described. Upon successful acquisition, a system determination processor examines the received system identification information and compares it with sys ...


7
Paul T Williamson, Don N Andrus, Jan C Ault, Scott M Owen: Method and apparatus for constructing a temporary list of neighboring base stations in a wireless communication device. QUALCOMM Incorporated, Russell B Miller, Charles D Brown, Roger W Martin, September 14, 1999: US05953320 (25 worldwide citation)

The wireless communication device receives a neighbor list message from a first base station. The neighbor list message includes a respective base station configuration parameter for each of a plurality of base stations. In response to the neighbor list message, the wireless communication device con ...


8
James A Hutchinson IV, Jan C Ault: Method and apparatus for processing wideband data in a digital cellular communication system. Qualcomm Incorporated, Russell B Miller, Roger W Martin, September 22, 1998: US05812607 (25 worldwide citation)

A system and method for processing wideband data within digital FM transceiver. A digital FM demodulator within the transceiver produces a demodulated information signal in response to the FM signal. The digital FM receiver also includes a wideband message processing section for recovering message i ...


9
John R Sorenson, Baaziz Achour, Jan C Ault, Ashok Bhatia, Yugandhar Chiniga, James A Hutchison IV, Wen J New, Henti Tung, Paul T Williamson: Techniques for facilitating optimal service acquisition. Qualcomm Incorporated, Philip R Wadsworth, Charles D Brown, George C Pappas, June 24, 2003: US06584311 (24 worldwide citation)

A system for facilitating the acquisition of a most desirable wireless service for a wireless phone. The system includes a scanning mechanism for periodically scanning for a signal indicative of a wireless service having a coverage area that overlaps one or more coverage areas of other wireless serv ...


10
Wen J New, Jan C Ault, Eric J Lekven, Isaac Ta Yan Siu, John R Sorenson, Paul T Williamson: Method and apparatus for acquiring emergency service in a mobile radio communication system. Qualcomm Incorporated, Philip R Wadworth, Charles D Brown, George C Pappas, February 4, 2003: US06516188 (22 worldwide citation)

A method and apparatus for acquiring an emergency service from one or more candidate mobile radio communication systems. An attempt is made by the mobile radio unit to acquire normal non-emergency service. If the attempt of acquiring normal non-emergency services fails and the user needs to originat ...