1
Carl Magnus Frodigh, Perols Leif Mikael Gudmundson: Adaptive channel allocation in a frequency division multiplexed system. Telefonaktiebolaget L M Ericsson, Brian T Rivers, Jenkens & Gilchrist PC, March 10, 1998: US05726978 (333 worldwide citation)

A method and system of adaptive channel allocation in a frequency division multiplexed system is provided. In the method and system a subset of M subcarriers is chosen from a larger set of N subcarriers available for communications on a link. As communications take place on the link, signal quality ...


2
Justin Beghtol, Kenneth Mar: Method and apparatus for incoming call rejection. Nokia Mobile Phones, Brian T Rivers, June 26, 2001: US06253075 (186 worldwide citation)

A method and apparatus for rejecting incoming calls for use in a mobile communications device. The method and apparatus permit a user of a mobile communications device to automatically reject calls intended to be received by the device. In an exemplary embodiment, a rejection memory within the mobil ...


3
George Bernhart, Douglas Deeds, Paul Kearney, Jari E O Kiuru, Kari Pekka Wilska: TD-SMS messaging gateway. Nokia Mobile Phones, Brian T Rivers, December 10, 2002: US06493558 (168 worldwide citation)

A gateway interface between the public switched telephone system (PSTN) and cellular network. The gateway interface provides a conversion function between the SMS text messaging protocol and TD device text messaging protocol. The conversion function includes appropriate queuing and timing features t ...


4
Esa Juntunen, Tapio Laurila: Method and apparatus for interfacing a mobile phone with an existing audio system. Nokia Mobile Phones, Eleanor M Musick, Brian T Rivers, December 19, 2000: US06163711 (141 worldwide citation)

A hands-free adapter for interfacing a mobile phone handset with an existing audio system attaches to the handset by means of the accessory connectors that are generally located on the bottom or back of the handset. The adapter modulates the received audio from an in-coming call with a pre-selected ...


5
Tie Luo: Method for sending a secure message in a telecommunications system. Nokia Mobile Phones, Brian T Rivers, June 1, 1999: US05909491 (127 worldwide citation)

A method for sending a secure message in a telecommunications system using public encryption keys. A sending transceiver encrypts the message c using the sender's own public encryption key Ex to generate Ex(c), and, transmits the encrypted message Ex(c) to a receiving transceiver. The receiving tran ...


6
Mark Cheng, Zhi Chun Honkasalo: Control structures for contention-based packet data services in wideband CDMA. Nokia Movile Phones, Brian T Rivers, May 21, 2002: US06393008 (118 worldwide citation)

A method and system for transmitting packet data over a cellular telecommunications network is presented. A novel medium access control (MAC) logical layer is implemented between a service option layer and multiplex sublayer. The MAC layer handles the multiple accesses of packet users over selected ...


7
Steven D Gray, George Fry: Mobile station control states based on available power. Nokia Mobile Phones, Brian T Rivers, August 14, 2001: US06275712 (100 worldwide citation)

A mobile station is transitioned between control states in a telecommunications system based on available power at the mobile station. In an embodiment, a mobile station signals the system to indicate that power available to the mobile station is less than or greater than a predetermined threshold a ...


8
Kiran Kuchi, Jyri K Hamäläinen: Space-time code for multiple antenna transmission. Nokia Mobile Phones, Brian T Rivers, April 1, 2003: US06542556 (97 worldwide citation)

A method and apparatus for space-time coding signals for transmission on multiple antennas. A received input symbol stream is transformed using a predefined transform and transmitted on a first set of N antennas. The same input symbol stream is then offset by M symbol periods to generate an offset i ...


9
Zhi Chun Honkasalo, Pasi Liimatainen, Sona Kapadia, John Noneman: Method for scheduling packet data transmission. Nokia Mobile Phones, Harry F Smith, Brian T Rivers, July 18, 2000: US06091717 (93 worldwide citation)

In a packet data transmission and reception system a media access control (MAC) message is broadcast by a base station to a plurality of mobile stations. The MAC message contains packet data transmission scheduling information which allows the base station to preemptively control mobile station acce ...


10
Steven D Gray: Method and system for operating a CDMA cellular system having beamforming antennas. Nokia Mobile Phones, Brian T Rivers, August 22, 2000: US06108323 (91 worldwide citation)

A method and system for operating a CDMA cellular telecommunications system having beamforming antennas in combination with other antenna access techniques. System capacity and demand on system resources are dynamically adjusted using beamforming antennas for some mobile stations, and other antenna ...