1
Mats Cedervall, Patrik Lundqvist: Method and system for determining position of a cellular mobile terminal. Telefonaktiebolaget L M Ericsson, Jenkens & Gilchrist P C, January 4, 2000: US06011974 (128 worldwide citation)

A method and system are disclosed by which a round-trip calculation is used to determine the distance between a mobile radio station (MS) and a radio base station (BS) using the apparent uplink and downlink signal propagation air-times (e.g., T-up and T-down). As such, no absolute time reference is ...


2
Erik Bengt Lennart Dahlman, Karim Jamal, Johan Anders Nyström, Mats Cedervall, Patrik Lundqvist: Method and system for facilitating timing of base stations in an asynchronous CDMA mobile communications system. Telefonaktiebolaget LM Ericsson, Jenkens & Gilchrist PC, February 25, 2003: US06526039 (128 worldwide citation)

A method and system are disclosed for facilitating the timing (e.g., the known relative timing differences) of base stations (BSs) in asynchronous CDMA mobile communications systems. A plurality of mobile stations (MSs) measure the relative time differences between various pairs of BSs, and these me ...


3
Ari Kangas, Erik Larsson, Sven Fischer, Patrik Lundqvist, Mats Cedervall: Downlink observed time difference measurements. Telefonaktiebolaget LM Ericsson, Jenkens & Gilchrist, March 12, 2002: US06356763 (96 worldwide citation)

A mobile communication station in a wireless communication network is used to measure the respective times of arrival of radio signals respectively transmitted by a plurality of radio transmitters in the network. The mobile communication station is provided with real time difference information indi ...


4
Mats Cedervall, Jonas Karlsson: System and method for location positioning a mobile station in a CDMA cellular system. Telefonaktiebolaget LM Ericsson, December 30, 2003: US06671514 (39 worldwide citation)

A system and method for improving the accuracy of a location estimation measurement within a telecommunication system is disclosed. Transmissions from surrounding base transceiver systems are received by a reference location device and any inter-base transceiver system timing differences resolved. A ...


5
Mats Cedervall, Thomas Ekerborn: Anonymous positioning of a wireless unit for data network location-based services. Openwave Systems, Townsend and Townsend and Crew, June 13, 2006: US07062279 (27 worldwide citation)

This invention concerns a process and a system for providing location information for a wireless unit in a wireless network to a location-based service provider, using a data network. In particular, the location information is provided to the location-based service provider without necessarily provi ...


6
Joakim Sorelius, Bo Göransson, Mats Cedervall: Antenna angle-of-arrival estimation using uplink weight vectors. Telefonaktiebolaget L M Ericsson, Jenkens & Gilchrist P C, June 25, 2002: US06411257 (17 worldwide citation)

The angle at which a multipath finger produced by a digital radio communication source arrives at an antenna array can be estimated using an uplink weight vector associated with the multipath finger. Due a characteristic of uplink weight vectors used in antenna arrays having a shift invariance struc ...


7
Mats Cedervall, Ari Kangas, Johan Jobėr: Method and system for locating mobile stations in a mobile communication network. Telefonaktiebolaget LM Ericsson, Nixon & Vanderhye P C, April 10, 2007: US07203503 (16 worldwide citation)

A method and system for locating mobile stations within a mobile communication network including at least two mobile stations and at least three base stations. Signal measurements are performed at the mobile stations and/or the base stations. Two or more mobile stations are located simultaneously by ...


8
Justus Petersson, Mats Cedervall, Robert Skog: Gesture-based control of IPTV system. Telefonaktiebolaget L M Ericsson, Potomac Patent Group PLLC, October 22, 2013: US08564728 (15 worldwide citation)

Methods and apparatus for controlling an Internet Protocol Television (IPTV) system by gestures on a remote control involve determining a number of fingers touching a screen of the remote control; identifying at least one characteristic of movement by the fingers; based on the number determined and ...


9
Mats Cedervall, Karim Jamal: Method and system for determining the position of a mobile terminal in a CDMA mobile communications system. Telefonaktiebolaget LM Ericsson, Jenkens & Gilchrist P C, October 17, 2000: US06134228 (8 worldwide citation)

A method and system for use in determining the position of a mobile terminal in a CDMA mobile communications system is disclosed, whereby a different than usual spreading code is used when TOA measurements are being performed, but information is allowed to be transmitted while those TOA measurements ...


10
Mats Cedervall, Jan Erik Lindquist, Andrew Mallinson: IPTV session management. Telefonaktiebolaget L M Ericsson, Potomac Patent Group PLLC, July 16, 2013: US08490143 (3 worldwide citation)

A session management involves registering at least one IPTV application (54) in a registration table (170) so that the registration table (170) comprises at least a respective identifier of the IPTV applications (54). The IPTV applications (54) are invokable at a set top box (50) and can be so-calle ...



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