1
Shimon B Scherzer: Practical space-time radio method for CDMA communication capacity enhancement. Adaptive Telecom, Metawave Communications Corporation, February 12, 2002: US06347234 (136 worldwide citation)

A practical way to enhance signal quality (carrier to interference. C/I) in both up and downlink of wireless point to multi-point CDMA service implements basic radio direction finding techniques to allow for optimal diversity combining in an antenna array employing large number of elements. This app ...


2
Shimon B Scherzer: Practical space-time radio method for CDMA communication capacity enhancement. Adaptive Telecom, Lumen Intellectual Property Services, August 22, 2000: US06108565 (125 worldwide citation)

A practical way to enhance signal quality (carrier to interference. C/I) in both up and downlink of wireless point to multi-point CDMA service implements basic radio direction finding techniques to allow for optimal diversity combining in an antenna array employing large number of elements. This app ...


3
Piu Bill Wong, Shimon B Scherzer, Ravi Narasimhan: Simultaneous forward link beam forming and learning method for mobile high rate data traffic. Metawave Communications Corporation, Fulbright & Jaworski L, December 11, 2001: US06330460 (109 worldwide citation)

Disclosed is a base station of a wireless communications system including an adaptive antenna array and beam forming means for forming simultaneous multiple forward link beams. Preferably mobile stations are separated into groups of mobile stations corresponding to a maximum number of simultaneous f ...


4
Piu Bill Wong, Shimon B Scherzer: Downlink beamforming using beam sweeping and subscriber feedback. Metawave Communications Corporation, Fulbright & Jaworski L, May 15, 2001: US06233466 (71 worldwide citation)

A system and method is provided for adaptive downlink beamforming in a wireless communication system. The technique involves using an antenna array to transmit downlink control signals from the base station to the subscribers in the cell. Rather than transmitting the control signals in a given direc ...


5
Ravi Narasimhan, Piu Bill Wong, Shimon B Scherzer, Jiangfeng Wu: Space-time and space-frequency hopping for capacity enhancement of mobile data systems. Kathrein Werke KG, Fulbright & Jaworski, March 21, 2006: US07016649 (60 worldwide citation)

The present invention utilizes adaptive antenna arrays at a base station to increase the forward link capacity of mobile data systems. One or more simultaneous forward link beams are formed and are switched (or hopped) in a time division manner among subscribers. The beam hopping sequence is randomi ...


6
Shimon B Scherzer, Patrick A Worfolk, Armin D Haken, Ronen Vainish, Subburajan Ponnuswamy: System and method for interference mitigation for wireless communication. Colubris Networks, David H Judson, April 29, 2008: US07366202 (47 worldwide citation)

Disclosed are systems and methods which provide interference mitigation by making alternative resources available within areas served by wireless communication links. Embodiments provide multiple channel availability in establishing wireless communication links to facilitate interference mitigation. ...


7
Piu Bill Wong, Shimon B Scherzer: Transmitting beam forming in smart antenna array system. Metawave Communications Corporation, Fulbright & Jaworski L, September 17, 2002: US06453177 (38 worldwide citation)

Traffic channel signals and pilot channel signals are transmitted from a base station to a mobile station using different beams. The beam carrying the pilot channel signal is a sector-wide beam, while the beam carrying the traffic channel signal has been minimized based on the number of frame errors ...


8
Shimon B Scherzer, Piu B Wong: Space division multiple access strategy for data service. Kathrein Werke KG, Fulbright & Jaworski, May 17, 2005: US06895258 (32 worldwide citation)

Disclosed are systems and methods which select multiple communication beams for simultaneous use such that potential scatters (e.g. reflectors) are not illuminated by simultaneous transmissions. Preferred embodiments of the present invention provide for maximizing aggregate throughput by continuousl ...


9
Shimon B Scherzer: Interference based scheduling using cognitive radios. Hewlett Packard Company, September 21, 2010: US07801490 (32 worldwide citation)

Disclosed are systems and methods which implement communication scheduling to reduce service level variance associated with interference. In providing communication scheduling according to embodiments, mult-channel coverage may be provided throughout all portions of a service area to facilitate reso ...


10
Piu B Wong, Shimon B Scherzer: Directed maximum ratio combining methods and systems for high data rate traffic. Kathrein Werke KG, Fulbright & Jaworski, March 20, 2007: US07194006 (26 worldwide citation)

Methods are provided for choosing mobile stations that have low cross correlations between their array response vectors, thereby minimizing inter-cell interference through uneven average reverse link data rates experienced by the mobile stations and minimizing intra-cell interference without explici ...