1
Richard H Roy III, Bjorn Ottersten: Spatial division multiple access wireless communication systems. ArrayComm, Henry K Woodward, Townsend and Townsend and Crew, May 7, 1996: US05515378 (305 worldwide citation)

A method and apparatus for increasing the capacity and quality of wireless communication between a plurality of remote users and a base station is disclosed. Using measurements from an array of receiving antennas at the base station, parameters of multiple signals transmitted to the base station fro ...


2
Louis C Yun: Power control with signal quality estimation for smart antenna communication systems. ArrayComm, Blakely Sokoloff Taylor & Zafman, October 8, 2002: US06463295 (281 worldwide citation)

A method for ongoing power control for a communication station with a multiple antenna array, the power control using a method for signal quality estimation applicable for angle modulated signals. One aspect of the ongoing power control method is applicable for the uplink and includes separating the ...


3
Farhad Farzaneh: Performance monitor for antenna arrays. ArrayComm, Dov Rosenfeld, Inventek, July 24, 2001: US06266528 (242 worldwide citation)

An antenna monitor collects statistics about the received signal strengths of each antenna in a cooperating antenna array over long periods of time. In cellular telephone base station applications for a base station using an array of antenna elements to obtain spatial diversity, samples of the recei ...


4
Richard H Roy III, Bjorn Ottersten: Spatial division multiple access wireless communication systems. Arraycomm Incorporated, Henry K Woodward, Townsend and Townsend and Crew, June 24, 1997: US05642353 (235 worldwide citation)

A method and apparatus for increasing the capacity and quality of wireless communication between a plurality of remote users and a base station is disclosed. Using measurements from an array of receiving antennas at the base station, parameters of multiple signals transmitted to the base station fro ...


5
Louis C Yun, Bjorn E Ottersten: Channel assignment and call admission control for spatial division multiple access communication systems. ArrayComm, Henry K Woodward, Townsend and Townsend and Crew, March 23, 1999: US05886988 (231 worldwide citation)

The methods for channel assignment and channel reassignment are suitable for SDMA systems that accommodate the dynamically adaptive spatial channel conditions and allow for more frequent reuse of conventional channels. Three methods for uplink channel assignment are described: a cost function method ...


6
Louis C Yun, Craig H Barratt, Christopher Uhlik: Adaptive method for channel assignment in a cellular communication system. ArrayComm, Henry K Woodward, Dov Rosenfeld, Townsend and Townsend and Crew, April 4, 2000: US06047189 (198 worldwide citation)

An adaptive method for channel assignment in a cellular multiple access wireless communication system that has a cell station (CS) and a number of subscriber stations augments existing channel assignment protocol and thus is downward compatible with existing time division multiple access (TDMA), fre ...


7
David M Parish, Farhad Farzaneh, Craig H Barratt: Method and apparatus for calibrating radio frequency base stations using antenna arrays. ArrayComm, Henry K Woodward, Dov Rosenfeld, Townsend and Townsend and Crew, March 14, 2000: US06037898 (178 worldwide citation)

A method operating in a communications station for calibrating the communications station, the communications station including an antenna array of antenna elements, each having associated with it and included in a transmit apparatus chain and a receiver apparatus chain. The method comprises transmi ...


8
Craig H Barratt, David M Parish, Richard H Roy III: Spectrally efficient high capacity wireless communication systems. ArrayComm, Henry K Woodward, Townsend and Townsend and Crew, January 7, 1997: US05592490 (177 worldwide citation)

A wireless system comprising a network of base stations for receiving uplink signals transmitted from a plurality of remote terminals and for transmitting downlink signals to the plurality of remote terminals using a plurality of conventional channels including a plurality of antenna elements at eac ...


9
Bjorn E Ottersten, Craig H Barratt, David M Parish, Richard H Roy III: Spectrally efficient high capacity wireless communication systems with spatio-temporal processing. Arraycomm, Henry K Townsend and Townsend and Crew Woodward, October 27, 1998: US05828658 (171 worldwide citation)

A wireless system includes a network of base stations for receiving uplink signals transmitted from a plurality of remote terminals and for transmitting downlink signals to said plurality of remote terminals using a plurality of channels. A plurality of antenna elements at each base station receives ...


10
Craig H Barratt, David M Parish, Christopher R Uhlik, Stephen Boyd, Louis C Yun, Marc H Goldburg: Method for sequentially transmitting a downlink signal from a communication station that has an antenna array to achieve an omnidirectional radiation. ArrayComm, Dov Rosenfeld, Inventek, February 6, 2001: US06185440 (159 worldwide citation)

This invention relates to a method and apparatus for transmitting a downlink signal from a communication station to one or more subscriber units to achieve a desired radiation level over a desired sector (e.g., everywhere), the communication station including an array of antenna elements and one or ...