1
Michael Youssefmir, Mitchell D Trott, Roger Rogard: Cooperative polling in a wireless data communication system having smart antenna processing. ArrayComm, Blakely Sokoloff Taylor & Zafman, September 21, 2004: US06795409 (122 worldwide citation)

A method, communication device, and machine-readable medium. The method includes sending a first poll from a first base station having a smart antenna system to a first user terminal. The first base station receives a first uplink response signal from the first user terminal as a result of the first ...


2
Roger Rogard, Michael Youssefmir, Bjorn Erik Ottersten: Downlink transmission in a wireless data communication system having a base station with a smart antenna system. ArrayComm, Blakely Sokoloff Taylor & Zafman, June 13, 2006: US07062294 (86 worldwide citation)

A method, device, and machine readable medium to communicate from a base station having a smart antenna system to a user terminal. The method includes providing a downlink channel for transmitting downlink data from the base station to the user terminal, providing an associated channel for the base ...


3
Roger Rogard: Self-adaptive hybrid data transmission. Agence Spataile Europeenne, Parkhurst & Oliff, January 5, 1988: US04718066 (58 worldwide citation)

The invention relates to data transmission, especially between a satellite and land-mobile terminals, which is self-adaptive and hybrid, i.e. a system which encodes data in sets of blocks including redundant symbols and redundant blocks, and provides automatic retransmission of lost data blocks and ...


4
Roger Rogard: Method and device for detecting and interpreting a distress signal. Spencer & Kaye, September 28, 1982: US04352199 (1 worldwide citation)

An emergency telecommunications system wherein the distress signals are transmitted repeatedly in successive sequences each comprised of a detect interval during which an alarm signal is transmitted and of a message transmit interval during which the distress message itself is transmitted indicating ...