Patents by Inventor Mattias Lidstrom

Mattias Lidstrom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8918876
    Abstract: The invention relates to a method, device (24) in a network node of a communication network (N) and computer program products for determining deviating behavior of a user terminal (10). According to the invention the device (24) obtains a first group of event data sets (EDS1) and a second group of event data sets (EDS2, EDS4), where each group includes at least one event data set. Each event data set in the first group includes user terminal generated event data related to events in a specific user terminal (10) and each event data set in the second group includes network generated event data related to the specific user terminal. The device then performs a comparison involving the first group of event data sets and the second group of event data sets and determines the existence of deviating behavior of the user terminal based on the comparison.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: December 23, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Tony Larsson, Mattias Lidstrom, Martin Svensson
  • Patent number: 8843463
    Abstract: A method of providing content (130) associated with a weight-value, the content (130) previously provided to a current computer associated with a current user (116) that is represented by a first node (106) in a social network (101). The method comprises the steps of: i) enabling the current computer (216) to display the content (130), in dependence of the weight-value, ii) obtaining an input of the current user (116), iii) updating the weight-value of the content (130), in dependence of the input of the current user (116), iv) determining a receiving computer associated with a second node (107) in the social network (101), and v) providing the content (130) to the receiving computer. Corresponding computers, computer program and computer readable medium are also described.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: September 23, 2014
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Simon Moritz, Jonas Bjork, Mattias Lidstrom, Joakim Soderberg
  • Publication number: 20140275707
    Abstract: The present invention relates to the field of radiation therapy. In particular, the invention concerns systems and methods for monitoring intra-fraction motions of patients in connection with treatment cancer in radiation therapy system. A patient marker is attached on the nose of the patient and images of the patient marker and reference markers is captured at predetermined time intervals. The reference markers are arranged in defined positions relative to a patient fixation arrangement for fixation of the patient during treatment. A position of the patient marker relative the reference markers is determined based on images captured by an optical tracking system, wherein changes in the position provide information if the patient or a part of the patient has moved.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: Elekta AB Publ.
    Inventors: Mattias LIDSTRÖM, Malcolm Williams, Bartosz Gorka, Rui Chen, Thomas Arn
  • Publication number: 20140275698
    Abstract: The present invention relates to the field of radiation therapy. In particular, the invention concerns systems and methods for monitoring intra-fraction motions of patients in connection with treatment cancer in radiation therapy system. A patient marker is attached on the nose of the patient and images of the patient marker and reference markers of a reference tool is captured at predetermined time intervals, wherein the reference tool comprises reference markers and is arranged in a defined position relative to a patient fixation arrangement for fixation of the patient during treatment. A position of the patient marker relative the reference tool is determined based on images captured by an optical tracking system, wherein changes in the position provide information if the patient or a part of the patient has moved.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: ELEKTA AB (PUBL)
    Inventors: Mattias LIDSTRÖM, Malcolm WILLIAMS, Bartosz GORKA, Rui CHEN, Thomas ARN
  • Publication number: 20140244667
    Abstract: Method and a recommendation system (200) for making a media item recommendation to a user. A weighted graph is created (2:2) that comprises item nodes representing media items and edges linking the item nodes. Weights are also assigned to the edges based on weights of contributors shared by the linked item nodes. When an initial media item of interest to the user is identified (2:4), the recommendation system determines (2:5) a set of media items which are linked to the initial media item in a weighted graph. At least one of the determined set of media items is also selected based on the assigned weight of edges linking the media items to the initial media item. The recommendation system then provides (2:6) the media item recommendation with the at least one selected media item to the user.
    Type: Application
    Filed: October 5, 2011
    Publication date: August 28, 2014
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Azadeh Bararsani, Mattias Lidström, Joakim Söderberg
  • Publication number: 20140229588
    Abstract: A method for providing a configuration recommendation to a first home device (201) in a home network, the method comprising the steps of: detecting (101a, 101b), at a multimedia gateway (210), a change in the first home device; sending (102, 103, 105), from the gateway to a home device configuration recommender (223), data indicative of the change; requesting and receiving (104b, 106b), at the home device configuration recommender (223), data representing capabilities of a plurality of home devices; comparing (107) the data representing capabilities with the data indicative of the change, for determining a suitable configuration recommendation for the first home device; and sending (108, 109, 110), from the home device configuration recommender (223) via the multimedia gateway (210) to the first home device (201), data representing the suitable configuration recommendation. A system and computer readable medium is also described.
    Type: Application
    Filed: December 2, 2008
    Publication date: August 14, 2014
    Applicant: Telefonaktiebolaget L.M. Ericcson(publ)
    Inventors: Johan Hjelm, Mattias Lidström, Mona Matti
  • Patent number: 8718619
    Abstract: A method, system, user equipment and computer program for predicting presence of a mobile user equipment, that includes: determining a set of time-distributed locations of a number of mutually associated mobile user equipments; calculating an aggregated location as a function of a location distribution of the set of locations; for each mobile user equipment, predicting a probability that the mobile user equipment will be present at the aggregated location at a future time; and initiating sending, to any of the mobile user equipments, a message indicating that another mobile user equipment of the mobile user equipments is predicted to be present at the aggregated location at a specific future time.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: May 6, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Mattias Lidström, Joakim Formo, Hjalmar Olsson
  • Patent number: 8654682
    Abstract: A method and apparatus in a group manager of a central service node, for enabling services or media in a communication network. A monitoring unit detects and monitors activities and conditions of communication entities in the network. A context collecting unit collects individual context data relating to a plurality of monitored entities in order to survey the current situation of each respective entity. A group defining unit then defines a group of correlated entities that are found to be correlated or similar with respect to at least some feature or characteristics based on the collected individual context data, by selecting context parameters of relevance to the group and using one or more membership conditions determined for the group. If the monitored entities have changed their status in a predetermined way that affects the group, the group defining unit will update the group.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: February 18, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Johan Hjelm, Theo Gerrit Kanter, Mattias Lidstrom
  • Patent number: 8626772
    Abstract: A method is provided for determining a correlation between a reference user and another user on the basis of two sets of ratings, where each rating is associated with a respective user. In response to a trigger, user ratings associated with the reference user and user ratings associated with the other user are collected, and all co-rated items of these two sets are correlated in the basis of an adjusted cosine correlation function which is weighted by a first and a second weighting function. The correlation is then stored and may be repeated for a plurality of users. The stored correlations may be used e.g. for ranking purposes.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: January 7, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Mattias Lidstrom, Jonas Bjork, Joakim Soderberg
  • Publication number: 20130311468
    Abstract: A pattern analysing device (27) in a pattern processing node {21} of a data collection system (10} comprises a pattern updating unit equipped with a pattern collecting element configured to obtain an existing pattern of historical data according to at least one existing data model, where the existing pattern relates to an entity (11) associated with the data collection system and obtain a further pattern of newer data according to a further data model, where the further pattern also relates to the entity, <<pattern updating element configured to compare the patterns with each other, determine if the existing data model can be mapped on the further data model and update the existing pattern with the further pattern in relation to the historical data if the existing data model can be mapped on the further data model.
    Type: Application
    Filed: October 4, 2010
    Publication date: November 21, 2013
    Inventors: Johan Hjelm, Mattias Lidstrom, Mona Matti
  • Patent number: 8582553
    Abstract: The invention comprises methods and arrangements for Policy Decision Point discovery in a roaming or handover scenario in an IP network (IN) comprising a plurality of network elements. The invention comprises methods and arrangement in an user equipment for receiving the address of the serving policy decision point and sending to the Home Agent a registration request comprising the local IP address of the user equipment so that the home agent can register the local IP address. The registration request will also comprise the address (ASPDP1) of the serving policy decision point (SPDP1) so that the Home Agent can forward the address of the serving policy decision point to the anchor Policy Decision Point and so that the anchor Policy Decision Point can contact the serving policy decision point by using said address of the serving Policy Decision Point.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: November 12, 2013
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Mona Matti, Tony Larsson, Tor Kvernvik, Mattias Lidström, Niklas Björk
  • Publication number: 20130297611
    Abstract: A method for operating a system to provide temporal context for recommending items for consumption by a user device is described. The method comprises maintaining a record of items consumed by the user device or a group of devices within a reference period, together with the time of consumption of each item, and a content descriptor associated with each item. Temporal consumption periods are identified within the reference period, each consumption period spanning the consumption of one or more items with similar content descriptors, and each consumption period is associated with its respective content descriptor. An aggregated list is created of consumption periods recorded over a plurality of reference periods. Clusters of similar consumption periods are identified in the aggregated list, and recurring temporal patterns for user device behaviour are identified in each cluster.
    Type: Application
    Filed: December 21, 2010
    Publication date: November 7, 2013
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Simon Moritz, Rickard Coster, Mattias Lidstrom
  • Publication number: 20130276072
    Abstract: The invention relates to a method (40) in a visited gateway server (21) in a communication system (1) comprising a home network (10) and a visited network (20) for enabling exchange of user profiles between a visited user profile server (22) of the visited network (20) and a home user profile server (12) of the home network (10), the method comprising: receiving (41) a user identification from a user equipment (2) requesting access to the visited network (20); transmitting (42), in response to received user identification, an identifier of the visited user profile server (22) to the user equipment (2) for conveyance by the user equipment (2) to the home user profile server (12), thereby enabling the exchange of user profiles. The invention also relates to visited gateway server, methods in a visited user profile server, visited user profile server, and methods in a user equipment, user equipment and computer programs.
    Type: Application
    Filed: December 21, 2010
    Publication date: October 17, 2013
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Mona Matti, Tor Kvernvik, Mattias Lidström
  • Publication number: 20130268664
    Abstract: In the embodiments of the present invention, a network node in an operator network is introduced. The network node is an analysis component configured to analyze the subscriber behavior based on the internet traffic data within the network. The network node is configured to provide a dynamic profile of the subscribers based on the current and past internet traffic. The dynamic profile may be used by other applications in the operator network or third parties. For example, a content provider can take a decision on what content to provide to a certain subscriber, based on dynamic subscriber profile information of this certain subscriber received from the network node according to the embodiments of the present invention. Another example is that an operator can use the dynamic subscriber profile when selecting commercial offers to his own subscribers e.g. when a subscriber has a new music mobile when visiting music sites.
    Type: Application
    Filed: December 15, 2010
    Publication date: October 10, 2013
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Mattias Lidström, Jonas Björk, Tor Kvernvik, Mona Matti
  • Publication number: 20130262452
    Abstract: The invention relates to a server (100) for conveying a set of contact identification data to a user equipment (6) associated with a communication system (7), the server (100) comprising: a receiving unit (110) for receiving contact identification data from the user equipment (6); a data storage module (2) comprising subscriber specific data; and an analyzing module (3) arranged to: analyze received contact identification data, and provide the user equipment (6) with one or more suggested sets of contact identification data based on: the analysis, the subscriber specific data and global data of an analytics database (9). The invention also relates to corresponding methods, user equipment, computer programs and computer program products.
    Type: Application
    Filed: December 17, 2010
    Publication date: October 3, 2013
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Tor Kvernvik, Jonas Björk, Mattias Lidström
  • Publication number: 20130166654
    Abstract: A method and arrangment for enrolling a joining peer (202) to a P2P (peer-to-peer) to the P2P network receives (2:2) a connect request sent from the joining peer, and obtains (2:4-2:7) an enrollment recommendation for the joining peer at least based on a stored current topology (208) of the P2P network. The enrollment a server then sends (2:9) attach information to the joining peer according to the enrollment recommendation. The attach information indicates where the joining peer shall connect to the P2P network. The enrollment server also updates (2:13) and stored toplogy of the P2P network when the joining peer has connected to the P2P network.
    Type: Application
    Filed: August 31, 2010
    Publication date: June 27, 2013
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Johan Hjelm, Mattias Lidstrom, Mona Matti
  • Patent number: 8429175
    Abstract: A method of estimating a default rating of a rated dataset is provided, where the dataset comprises at least one series of ratings associated with at least one user and each series comprise ratings associated with at least two items. For a reference user and an item for which a rated value is missing the item's average rating, ir, the reference users average rating, Ru, and the datasets average rating, dr, is collected. A Poisson distribution of the reference users rating is then generated on the basis of the reference users average rating. A random Poisson rating, ur, is calculated on the basis of the Poisson distribution, and a default rating, r, is estimated by weighting the random Poisson rating on the basis of the items average rating, the users average rating and the datasets average rating.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: April 23, 2013
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mattias Lidström, Jonas Bjork, Joakim Soderberg
  • Publication number: 20130066872
    Abstract: A method and apparatus are defined for organizing a plurality of digital photos. The method comprises the steps of identifying a group of digital photos, receiving a number defining how many clusters to be formed from the group, receiving profile information to be used for clustering the digital photos into the number of clusters, clustering the group of digital photos according to the profile information, and identifying representative digital photo(s) of the clusters from the clustered digital photos based on the profile information.
    Type: Application
    Filed: June 7, 2010
    Publication date: March 14, 2013
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Simon Moritz, Jonas Björk, Mattias Lidström, Joakim Söderberg
  • Publication number: 20130067114
    Abstract: A recommendation apparatus for determining, for a user, a set of one or more recommended paths through an information space in response to receiving from the user a path request message. Advantageously, in some embodiments, the path recommender apparatus determines a recommended path by analyzing a set of paths, where each path in the set was traversed by a person who is in a “social graph” belonging to the user (e.g., each path in the set was traversed by one of the user's Facebook friends). In this way, paths can be recommended to the user based on paths that are popular with the user's friends.
    Type: Application
    Filed: September 8, 2011
    Publication date: March 14, 2013
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Johan HJELM, Mattias LIDSTROM, Mona MATTI
  • Publication number: 20130046623
    Abstract: A recommender system that selects one or more items to recommend to a user of a communication device, wherein the recommender system uses one or more of the following profiles to select the one or more items: a device profile associated with the communication device; a location profile associated with the communication device, and a device type profile associated with a device type that matches the communication device's device type. The recommender system may also use a user profile associated with the user to select the one or more items.
    Type: Application
    Filed: August 17, 2011
    Publication date: February 21, 2013
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Simon MORITZ, Mattias Lidström, Rickard Cöster