Patent application number | Description | Published |
20080198822 | Technique for Negotiating on Behalf of a Mobile Ambient Network within a Multi-Operator Wireless Communication System - A mobile ambient network (MAN) negotiator | 08-21-2008 |
20080205345 | Means and Methods for Improving the Handover Characteristics of Integrated Radio Access Networks - The invention provides a method for assisting handover of a user terminal's, UT's, communication session in an integrated multi RAT network, said method to be carried out by an RNCI being installed in said network, said method comprising the following steps:— receiving a “Handover Candidate” message comprising a message type identifier information element identifying said message as being a “Handover Candidate” message and which message identifies said session and which message further identifies a candidate RNC of said network, wherein said candidate RNC constitutes an RNC handover candidate for said session,— establishing the identity of said RNC by investigating said message,— associating said communication session with said candidate RNC identified in the previous step. The invention provides an RNC | 08-28-2008 |
20080225829 | Communication System - A communication system is provided which is arranged for accessing a network by a group of first access paths and a group of second access paths. The first and second access paths have a different access technology. An access path monitor is provided for obtaining status information related to the access paths in accordance with the monitoring procedure. An access controller is provided for selecting an access path for a communication session in accordance with a selection procedure and in dependence on the status information. A modifier is provided for modifying one or both of the monitoring procedure and the selection procedure in accordance with a modification procedure and in dependence on decision information. | 09-18-2008 |
20080235376 | Access Selection Method - A method of access management in a communication system comprising a terminal, a first access point, a second access point and a network is described. The first access point offers a first access connection to the terminal and the second access point offers a second access connection to the terminal. A first network connection is provided between the network and the first access point and a second network connection is provided between the network and the second access point. Access connection information associated with at least one of the first and second access connections is monitored, and network connection information associated with at least one of the first and second network connections is monitored. An access connection selection decision is based on the monitored access connection information and the monitored network connection information. | 09-25-2008 |
20080250142 | Access Node Selection in a Network - The invention is directed towards determining an access node ( | 10-09-2008 |
20080256091 | Prioritising Data Elements of a Data Stream - The invention relates to prioritising of data elements of a data stream for transmission to a receiving device including determining a decodability of data elements, wherein the decodability indicates the extent to which the current data element is decodable at the receiving device. Then, a priority is assigned to the data elements based on the determined decodabilities. A transmission of the data elements to a receiving device is then scheduled based on the priorities. | 10-16-2008 |
20080256260 | Lightweight Mrrm with Radio Agnostic Access Selection in the Core Network - A method and arrangement for making a handover decision in a multi-access communication network is disclosed. A first set of criteria is determined for when a handover between at least two access paths should be performed and a report is sent when at least one criterion of a first set of criteria is fulfilled. A second set of criteria is determined for when a handover between said at least two access paths should be performed and a report is sent when at least one criterion of said second set of criteria is fulfilled. One or more data sessions of at least one user terminal network are determined to be handed over based on the sent reports and a core network anchor and a terminal anchor are directed to execute a handover by re-routing said determined data sessions from one access path to an alternative access path. | 10-16-2008 |
20080256272 | Packet Scheduling for Data Stream Transmission - The invention relates to transmitting data elements of a data stream based on a priority and target buffer fill levels at a receiving device. A transmitter controller transmits data elements of a data element class with a highest priority first, for reaching an associated buffer fill level and then turns to data elements of successively lower priorities, until the available bandwidth is exhausted. | 10-16-2008 |
20090003378 | Communication Device - A communication device is described that comprises a first data unit buffer for holding data units of a first communication protocol and a second data unit buffer for holding data units of a second communication protocol. The first communication protocol is a communication protocol suitable for transmitting data units from a sending peer of said first communication protocol to a receiving peer of said first communication protocol over one or more relay peers of said first communication protocol. The first communication protocol provides for at least a first type (RACK) of receipt information that is indicative of a correct receipt at a relay peer and a second type (ACK) of receipt information that is indicative of a correct receipt at said receiving peer. The second can be a conventional ARQ protocol or a protocol using the two types of receipt information. A control system is arranged to control a generation of said data units of said second communication protocol such that a data symbol stream carried in said data units of said first communication protocol is also carried in said data units of said second communication protocol, and the control system is arranged to implement the control procedure for controlling a transmission of said data units of said first communication protocol in such a way that if all the data symbols of said data symbol stream contained in a given data unit of said first communication protocol are successfully transferred into said second data unit buffer, then said control procedure acts as if said first type (RACK) of receipt information had been received for said given data unit. | 01-01-2009 |
20090017823 | TECHNIQUE FOR CONTROLLING HANDOVERS WITHIN A MULTI-RADIO WIRELESS COMMUNICATION SYSTEM - A technique is provided for use by a Multi-Radio Management Resource (MRRM) component of a multi-radio wireless communication system for controlling the handover of a mobile terminal between different radio access technologies (RAT). In one example, all suitable RATs having coverage areas currently covering the location of a mobile terminal are identified. The performance gain that might be achieved via a handover to one of the other RATs is then determined by the MRRM based on various performance gain factors. Handover costs that will be incurred as a result of the handover are also explicitly calculated. Then, a cost-adjusted gain is determined by the MRRM based on the performance gain and the handover costs. A handover is only triggered by the MRRM if the cost-adjusted gain exceeds a minimum threshold. The speed and trajectory of the mobile terminal may also be considered. | 01-15-2009 |
20090052402 | TECHNIQUE FOR CONFIGURING LINK LAYER ENTITIES FOR A HANDOVER - A technique of configuring link layer entities for a handover is described. In a method embodiment, the technique includes receiving from a recipient of protocol data units a supplemental status report for an existing ARQ connection in context with an imminent handover, determining service data units corresponding to buffered protocol data units taking into account information included in the supplemental report, and transferring the determined service data units to a link layer entity which is to establish a new ARQ connection to the recipient. The forced status synchronisation that is based on the supplemental report prevents the transfer of service data units that have already been successfully received at the recipient. | 02-26-2009 |
20090131053 | Internetworking of Cellular Radio Networks and Wireless Data Networks - The invention provides a method, to be used by a RNC ( | 05-21-2009 |
20090154356 | FLOW CONTROL MECHANISM USING LOCAL AND GLOBAL ACKNOWLEDGEMENTS - A method of sending data units from a sending node to a receiving node via at least one intermediate node, where: the data units are arranged in a sequence and each data unit is associated with a sequence position identifier; the intermediate node forwards received data units towards the receiving node and sends feedback messages towards the sending node, where in case of a correct receipt of a given data unit at said intermediate node, a corresponding feedback message comprises a first type receive information that indicates said correct receipt at said intermediate node; the receiving node sends feedback messages towards the sending node, where in case of a correct receipt of a given data unit at said receiving node, a corresponding feedback message comprises a second type receive information that indicates said correct receipt at said receiving node; the intermediate node forwards said second type of receipt information towards said sending node and conducts a data unit retransmission procedure in dependence on received receive information; and the sending node conducts a data unit retransmission procedure in dependence on received receipt information of the first and second type, and conducts a data unit flow control procedure for controlling an amount of data that can be sent at a given time in dependence on said first and second type receipt information. | 06-18-2009 |
20090175172 | Method and Arrangement for Route Cost Determination and Selection with Link Cost Interaction - This invention extends routing mechanisms that use link metrics for route selection so that: A link metric cross correlation vector is determined for all links, where each element in the vector corresponds to some other link, and reflects the change in the link metric value if a data flow would already use this other link. The invention further describes a specific embodiment where all cross-correlating links are adjacent to each other, i.e., they terminate or originate in a common node. A mechanism is described to create an extended routing graph. This extended graph permits the use of standard polynomial time algorithms that simultaneously construct the optimal route and find the optimal route metric (such as shortest-path algorithms) also for the adjacent link cross-correlating case. | 07-09-2009 |
20090213849 | Communication Node And A Method For Routing Traffic In A Communication Network By Calculating At Least One Metric For At Least One Link And A Sensitivity Parameter For Said Metric - The invention relates to a method of routing traffic from a sender to a receiver in a communication network said method comprising for at least two possible routes between the sender and the receiver the step of calculating at least one metric for at least one link in each route, characterized by the steps of calculating a sensitivity parameter for said at least one metric and taking said sensitivity parameter into account when selecting a route. The sensitivity parameter may be based on a derivative of said metric with respect to a variable on which said metric depends. The method may also comprise the step of calculating a reliability parameter for said at least one metric and taking said reliability parameter into account when selecting a route. | 08-27-2009 |
20090240817 | System and method for transporting data units through a communication network - A system and method for transporting data units for a communication network. In a communication between two peers a proxy and a network entity for controlling a partial communication are provided. One or both of the proxy and the network entity is arranged to modify one or more of the data units, in order to provide communication control related information that is different from communication control related information exchanged between the two peers The respective other or both of the proxy and the network entity is arranged to perform data unit transmission control based on the different communication control related information. | 09-24-2009 |
20090268750 | Generic Access Performance Abstraction for Access Selection - The invention provides methods method for access selection in a Multi-Access Network offering a plurality of Access Technologies (AT). The device may comprises a Multi Access Management entity (MAM) and a plurality of Generic Link Layer Entities (GLL) associated to a plurality of Accesses (A) according to said plurality of Access Technologies (AT). The access selection comprises an Access determination and an Access configuration. In a first step a Generic Link Layer Entity (GLL) determines one or more Generic Performance Metrics (GPM) corresponding to one or more configurations of the Access (A). The Generic Link Layer Entity (GLL) sends the determined one or more Generic Performance Metrics (GPM) corresponding to one or more configurations of the access (A) to the Multi Access Management entity (MAM). The Multi Access Management entity (MAM) determines from received Generic Performance Metrics (GPM), which Access (A) offers a configuration (GPM), which is suited for an application/bearer requirements. Then, said Multi Access Management entity (MAM) sends the determined configuration to the Generic Link Layer Entity (GLL) associated to the determined Access (A). The determined Generic Link Layer Entity (GLL) configures the Access (A) based on the determined configuration received from the Multi Access Management entity (MAM). Furthermore, the invention relates to corresponding devices, modules and software. | 10-29-2009 |
20090299836 | RADIO ACCESS SYSTEM ATTACHMENT - The present invention aims at an effective approach to radio access system attachment in a heterogeneous communication network environment. According to the present invention, cooperation between different radio access systems is executed to advertise one radio access system in another. After receipt of a secure advertisement from a control unit of the advertising radio access system, a broadcasting unit of the receiving radio access system broadcasts advertisement information in relation to the secure advertisement in the communication network. Therefore, according to the present invention, a user terminal may at any time receive broadcasted advertisement information while establishing a trusted relationship with advertiser. | 12-03-2009 |
20100003980 | AUTOMATIC CONFIGURATION OF INTER-DOMAIN ACCESS TECHNOLOGY NEIGHBOR RELATIONS - The disclosure relates to automatically configuring a map of inter-access technology neighbor relations. In this neighbor relations map configured by an ANDSF, relationships between neighboring cells of differing access networks of the same or different access technologies are maintained including extra-domain and non-domain neighbor relationships. A domain refers to a domain of one or more access technologies in which ANDSF is not required for intra-domain access selection and discovery. ANDSF configures the map based on neighbor relations data reports from wireless terminals, which record the neighbor relations data as they perform extra-domain or non-domain handovers or reselections or as they scan their surroundings. ANDSF provides steering instructions to configure the neighbor relations data recording and reporting behaviors of the wireless terminals. ANDSF provides access network discovery and selection information, which indicates availability of non-domain accesses, and in some cases domain accesses, to wireless terminals based on their locations. | 01-07-2010 |
20100014470 | Method and Apparatus for Access Selection in a Multiaccess Communications System - The present invention relates to communications systems comprising multiple access technologies, and more especially it relates to access technology allocation of communications in such communications systems. Particularly, it relates to allocation of a plurality of communication flows to one or more of a plurality of access technologies avail able in the communications system. Access selection based upon stored one or more preference values is disclosed. | 01-21-2010 |
20100037284 | MEANS AND METHOD FOR CONTROLLING NETWORK ACCESS IN INTEGRATED COMMUNICATIONS NETWORKS - The invention provides methods and means for assisting the control of a User Terminal's, UT's, ( | 02-11-2010 |
20100172254 | METHOD AND SYSTEM FOR INTER-SYSTEM INTERFERENCE BASED RADIO CONTROL - User-networks having more than one type of access system are connected to networks having multi-access technology. Interference is measured between the connected, active access systems and the active systems are prioritized. A priority value is assigned to each of the active access systems based on the interference between systems. According to the assigned priority value, the access system with the highest value is enabled. Remaining systems are then compared with the enabled access system and an interference threshold. If the level of interference exceeds the threshold, the offending access system is disabled. If the threshold is not exceeded, the number of simultaneously operating access systems is compared to a predetermined number and the access systems below that number are then disabled. | 07-08-2010 |
20100180172 | COMMUNICATION CONTROL METHOD - Methods of controlling peers of a relay ARQ protocol are described. It is proposed to provide a predetermined marking in the payload section of messages of the relay ARQ protocol, such that relay peers along the relay connections can extract information from the payload section. | 07-15-2010 |
20100250688 | Reservation and admission of access resources for access selection in multi-access networks - A multi-resource management entity is described herein which optimizes access to at least one access network that is located in a multi-access network environment by performing the following steps: (a) obtaining information about a potentially required access resource of one of the at least one access networks; (b) determining that more than a certain number of user networks may potentially use the access resource to establish a connection with the one access network; (c) obtaining information indicating an availability of the access resource; and (d) limiting a number of the user networks that may potentially access the access resource in view of the obtained availability information. | 09-30-2010 |
20100296415 | Method and Apparatus for use in a Communications Network - A method is provided for use in a communications network in which a plurality of accesses are available to a user entity for accessing a network resource, comprising: determining a set of active rules, each rule specifying respective preferences, at least relatively, for at least some of the plurality of accesses, with potential for conflict between the rules of the set concerning which access is most preferred; deriving from the set of active rules network discovery and selection rules a new rule specifying respective preferences, at least relatively, for at least some of the plurality of accesses; and selecting an access for use by the user entity based on the new rule. | 11-25-2010 |
20100323698 | Systems and Methods For Selecting a Network Access System - A system according to some embodiments of the invention includes (1) a component (e.g. ANDSF) that provides a cell selection rule to a UE and (2) a component (e.g. an access node) that provides the UE with information about the load in the cell currently utilized by the UE. This enables the UE to determine whether to leave the cell, which may be a 3GPP cell, and use a different cell, which may be a non-3GPP cell, by applying the cell selection rule in conjunction with its knowledge about the load of the cell. | 12-23-2010 |
20110096688 | Method of Operating an Access Network - A method of operating a first access network and a second access network is provided, wherein said access networks serve mobile terminals in an access area and the method comprises: selecting one of said first access network and said second access network on the basis of a power consumption assessment; performing a steering operation for the mobile terminals in said access area, comprising sending steering information to the mobile terminals, the steering information indicating to the mobile terminals to preferably use the non-selected access network not being selected; and setting the selected access network to a power-save mode. | 04-28-2011 |
20110110300 | Access Network Selection in Multi-Access Network Environment - Novel techniques of access network selection in multi-access network environment are provided, which allow for avoiding access selection loops for independent access selection processes. The multi-access network environment provides a first access selection function, e.g. a 3GPP access selection function, and a second access selection function, e.g. an ANDSF based access selection function. At least a portion of the first access selection function ( | 05-12-2011 |
20110125905 | Allocation of Resources to Shared Spectrum Operators - A system operator may connect to an infrastructure resource and request a slice of spectrum resources with desired properties and a desired capacity. A slice manager of the infrastructure resource checks whether the request can be fulfilled from the available free capacity and optionally considers additional policies. If the outcome is positive, the slice manager offers a slice with a specific capacity, which may or may not be identical to the system operator' s requested capacity. The offer may contain other information such as cost and billing details. In case the offer is acceptable to the system operator, he sends an accept message to the slice, manager. Optionally, there may be additional negotiation steps. | 05-26-2011 |
20110142006 | Techniques for Optimizing Efficiency in a Situation for a Possible Handover of a Mobile Terminal - A technique is proposed for optimizing efficiency in a situation for a possible handover of a mobile terminal ( | 06-16-2011 |
20110165903 | Coordinated Transmission for Secondary Usage - The present invention relates to a method and a secondary user enabling secondary usage of radio resources owned by a primary party. The present invention also relates to a primary party and a broker. The secondary user is adapted to obtain radio resource allocation information transmitted from the primary party. It is further adapted to identify radio resources available for secondary usage based upon the radio resource allocation information. It is finally adapted to engage in communication over at least part of the radio resources identified as available for secondary usage. | 07-07-2011 |
20110237183 | METHOD AND AN ARRANGEMENT FOR DETERMINING AN ADMISSION CONTROL THRESHOLD - A method and an arrangement ( | 09-29-2011 |
20110280179 | Method And Apparatus For Access Selection In A Communication Network - The invention relates to a method for selecting ( | 11-17-2011 |
20110286459 | Methods and Devices for a Client Node to Access an Information Object Located at a Node of a Secured Network via a Network of Information - A method for a client node (D | 11-24-2011 |
20110292914 | INTERNETWORKING OF CELLULAR RADIO NETWORKS AND WIRELESS DATA NETWORKS - The invention provides a method, to be used by a network node, for assisting a handover of a data session from a first routing path, associated with a first access network, to an alternative routing path, associated with an alternative access network, wherein data is routed over said first access network to a UT by binding a session identifier to a first routing identifier, wherein said session identifier and said first routing identifier are defined in accordance with a standard protocol routing scheme of said first access network, the method comprising the following steps:
| 12-01-2011 |
20120140732 | User Network and Method for Using Multiple access System to Connect to Remote Communication Network(s) - A user network (e.g., mobile phone) is described herein that uses one or more access systems to establish a communications session with a remote communications network. In one embodiment, the user network has a processor and a memory with instructions stored therein which are accessible and processable by the processor to facilitate the following steps: (a) maintaining a detected set which contains access resource (s) that are associated with possible access connection (s) which could be used to access the remote communications network; (b) maintaining a candidate set which contains access resource (s) and logical connection (s) that are associated with the possible access connection (s) which could be used as communication bearer (s) to the remote communications network; and (c) maintaining an active set which contains a particular logical connection which is associated with one of the access connections that is currently being used as a communication bearer in an established communication session with the remote communications network. | 06-07-2012 |
20120231826 | WIRELESS DEVICE POSITION DETERMINING AND FREQUENCY ASSIGNING SYSTEMS, DEVICES AND METHODS - Wireless communication methods determine a position of a first wireless base station. A wireless communication frequency to be used by the first wireless base station is determined by identifying a common frequency that can be used at a plurality of locations surrounding and spaced apart from the position of the first wireless base station that was determined. The first wireless base station may be a femto-base station and the frequency may be an unlicensed frequency. Related systems and devices are also described. | 09-13-2012 |
20130273932 | Systems and Methods For Selecting a Network Access System - A system according to some embodiments of the invention includes (1) a component (e.g. ANDSF) that provides a cell selection rule to a UE and (2) a component (e.g. an access node) that provides the UE with information about the load in the cell currently utilized by the UE. This enables the UE to determine whether to leave the cell, which may be a 3GPP cell, and use a different cell, which may be a non-3GPP cell, by applying the cell selection rule in conjunction with its knowledge about the load of the cell. | 10-17-2013 |
20140295833 | Systems and Methods For Selecting a Network Access System - A system according to some embodiments of the invention includes (1) a component (e.g. ANDSF) that provides a cell selection rule to a UE and (2) a component (e.g. an access node) that provides the UE with information about the load in the cell currently utilized by the UE. This enables the UE to determine whether to leave the cell, which may be a 3GPP cell, and use a different cell, which may be a non-3GPP cell, by applying the cell selection rule in conjunction with its knowledge about the load of the cell. | 10-02-2014 |