KLEIN SHAW GILHOUSEN
Pilots at Hightower Rd, Bozeman, MT

5751761, May 12, 1998

Sep 21, 1994

8/310204

Klein S. Gilhousen - Bozeman MT

QUALCOMM Incorporated - San Diego CA

H04B 1500, H04K 100, H04L 2730

375200

A method and system for allocating a set of orthogonal PN code sequences of variable length among user channels operative at different data rates in a spread spectrum communication system is disclosed herein. PN code sequences are constructed that provide orthogonality between users so that mutual interference will be reduced, thereby allowing higher capacity and better link performance. In an exemplary embodiment, signals are communicated between a cell-site and mobile units using direct sequence spread spectrum communication signals. Information signals communicated on the cell-to-mobile link channels are encoded, interleaved, and modulated with orthogonal covering of each information symbol. Orthogonal Walsh function codes of varying length are employed to modulate the information signals. Code assignments are made on the basis of channel data rates in a manner which results in improved utilization of the available frequency spectrum.

6205190, Mar 20, 2001

Apr 29, 1996

8/639572

Franklin Antonio - Del Mar CA
Robert D. Blakeney - Steamboat Springs CO
Klein S. Gilhousen - Bozeman MT
Roy F. Quick - San Diego CA

Qualcomm Inc. - San Diego CA

H03D 104

375346

A system and method for reducing the interference experienced by sensitive electronic devices, such as hearing aids, operative in the vicinity of CDMA user communication devices. A transmitter of the communications device is configured to transmit signal power substantially continuously at a full rate power level irrespective of the variable data rate at which the transmitter would otherwise be operative. In a first embodiment, a variable rate vocoder within the transmitter is directed to perform full-rate vocoding, irrespective of an instantaneous level of user speech. In a second embodiment, a microprocessor builds full-rate frames using repeated versions of code symbols generated by the vocoder. In a third embodiment, the microprocessor builds full rate frames by generating signaling bits of a predetermined pattern to pad otherwise non-full frames.

5859612, Jan 12, 1999

Jun 6, 1996

8/659408

Klein S. Gilhousen - Bozeman MT

Qualcomm Incorporated - San Diego CA

G01S 302

342457

A method for determining the position of a mobile station within a cellular telephone system having a plurality of base stations. A signal is transmitted from a rotating antenna. The rotating antenna has a beam which rotates around a cell in the cellular telephone system. The beam has a rotational timing that is known by the mobile station. The signal is received at the mobile station. Based on a reception time when the signal is received by the mobile station, an angular displacement value corresponding to the position of the mobile station is determined. A first round trip signal propagation time between a stationary antenna and the mobile station is measured using a voice information signal. The position of the mobile station is determined in accordance with the angular displacement value and the first round trip signal propagation time. A method for determining the position of a mobile station within a cellular telephone system having a plurality of base stations.

7003021, Feb 21, 2006

Feb 5, 2004

10/772490

Klein S. Gilhousen - Bozeman MT, US
Irwin M. Jacobs - La Jolla CA, US
Roberto Padovani - San Diego CA, US
Andrew J. Viterbi - La Jolla CA, US

Qualcomm Incorporated - San Diego CA

H04B 1/69

375150, 375130

A system and method for communicating information signals using spread spectrum communication techniques. PN sequences are constructed that provide orthogonality between the users so that mutual interference will be reduced, allowing higher capacity and better link performance. With orthogonal PN codes, the cross-correlation is zero over a predetermined time interval, resulting in no interference between the orthogonal codes, provided only that the code time frames are time aligned with each other. In an exemplary embodiment, signals are communicated between a cell-site and mobile units using direct sequence spread spectrum communication signals. In the cell-to-mobile link, pilot, sync, paging and voice channels are defined. Information communicated on the cell-to-mobile link channels are, in general, encoded, interleaved, bi-phase shift key (BPSK) modulated with orthogonal covering of each BPSK symbol along with quadrature phase shift key (QPSK) spreading of the covered symbols. In the mobile-to-cell link, access and voice channels are defined.

6081229, Jun 27, 2000

Mar 17, 1998

9/040501

Samir S. Soliman - San Diego CA
Klein S. Gilhousen - Bozeman MT

Qualcomm Incorporated - San Diego CA

G01S 502, H04B 7185

34235705

A system and method for determining a position of a mobile wireless transceiver. The inventive system merges GPS position location and wireless communication technologies to achieve a precise position location in dense urban and other environments when line-of-sight to the satellites is somewhat obscured. The inventive method uses signals from only two GPS satellites and the serving terrestrial base station. In a most general sense, the inventive method includes the steps of receiving at a base station a first signal transmitted from a first GPS satellite and a second signal transmitted from a second GPS satellite. The mobile transceiver is adapted to receive these GPS signals as well and transmit a third signal to the base station in response thereto. The base station receives the third signal and uses it to calculate the position of the wireless unit. In a specific implementation, the base station sends aiding information to the wireless unit.

5917812, Jun 29, 1999

Apr 16, 1996

8/632875

Franklin P. Antonio - Del Mar CA
Klein S. Gilhousen - Bozeman MT

Qualcomm Incorporated - San Diego CA

H04J 300

370337

A system and method for reducing radio frequency interference arising in connection with pulsed transmission over time division multiplexed communication channels. In a first embodiment, a subscriber station is nominally assigned all of the slots of each frame of a first transmit channel. By transmitting RF energy substantially continuously, the subscriber station reduces interference arising from pulsed transmission. In a second embodiment, a subscriber station is nominally assigned one or more slots of each frame of a primary channel for conventional transmission of useful information, and is also instructed to continuously transmit RF energy over an auxiliary channel at times other than during the assigned primary channel slots. In this way, interference generated in the vicinity of the subscriber station is reduced due to the substantially continuous transmission of RF energy by the subscriber station. More than one subscriber station may simultaneously utilize the auxiliary channel during reduced interference mode operation.

5697055, Dec 9, 1997

Oct 16, 1994

8/322817

Klein S. Gilhousen - Bozeman MT
Gadi Karmi - La Jolla CA
Edward G. Tiedemann - San Diego CA
Alejandro Raul Holcman - San Diego CA

Qualcomm Incorporated - San Diego CA

H04Q 722

455 332

A method and system for performing an intersystem handoff of communication with a mobile station between base stations of first and second cellular systems is disclosed herein. At the mobile station, a quantifiable parameter of a signal transmitted by a second base station of the second system is measured. When the measured value of the quantifiable parameter passes through a first predetermined level, the mobile station communicates a signal quality message via a first base station of the first system to a first mobile switching control station. A channel request message is then communicated from the first mobile switching control station to a second mobile switching control station within the second system. At the second base station, a quantifiable parameter of the signal received from the mobile station is also measured. The second base station establishes communication with the mobile station when the measured value of the quantifiable parameter passes through a predetermined level.

5603096, Feb 11, 1997

Jul 11, 1994

8/272484

Klein S. Gilhousen - Bozeman MT
Charles E. Wheatley - Del Mar CA
Jeffrey A. Levin - San Diego CA

Qualcomm Incorporated - San Diego CA

H04B 700

455 69

The process of the present invention enables a mobile radiotelephone to operate at a 100% duty cycle while providing closed loop power control. The base station measures the signal to noise ratio of the signal from the mobile and compares that SNR with the SNR threshold values the base station has for each data rate the mobile is capable of transmitting. The base station then generates power control commands to instruct the mobile to change its power depending on the outcome of the comparisons.

8046005, Oct 25, 2011

Feb 23, 2007

11/678547

Brian K. Butler - La Jolla CA, US
Klein S. Gilhousen - Bozeman MT, US

Qualcomm Incorporated - San Diego CA

H04W 68/00, H04W 4/06, H04W 72/04, H04W 74/04

455458, 455434, 4554521, 455455

A novel and improved method and system for paging a cellular telephone or other wireless terminal using two paging channels that reduces standby mode power consumption described. In one embodiment of the invention, a minimally encoded quick paging channel is established over which short, quick page messages are transmitted during one of a set of quick paging slots. The quick page message indicates that a communications request has been received, and that the receiving communication terminals should process a highly encoded full paging channel over which more detailed, full page messages are transmitted during the next full paging slot. A terminal monitors full paging channel only after a quick page message has been received on the quick paging channel.

5513176, Apr 30, 1996

Aug 27, 1993

8/112392

Richard F. Dean - Escondido CA
Franklin P. Antonio - Del Mar CA
Klein S. Gilhousen - Bozeman MT
Charles E. Wheatley - Del Mar CA

Qualcomm Incorporated - San Diego CA

H04B 704, H04B 726, H01Q 2129, H04Q 736

370 18

A distributed antenna system is utilized in a system for providing multipath signals which facilitate signal diversity for enhanced system performance. Each node of the antenna comprises more than one antenna. Each antenna at a common node provides a path having a different delay to the base station.