Patent application number | Description | Published |
20090103500 | Re-transmission capability in semi-persistent transmission - One or more hybrid automatic repeat request process identifications are configured for scheduling without associated control signaling. A particular HARQ process ID to be assumed for a given subframe is determined based on at least one of: a) system frame number; b) number of hybrid automatic repeat request processes that are allocated for semi-persistent scheduling; and c) periodicity for semi-persistent scheduling. In various embodiments: a) is broadcast and b) and c) are sent via RRC signaling; and the assumed particular HARQ process ID is determined as a function of [Current TTI/SP_Period] mod Num_SP_HARQ:wherein Current TTI is a number for the given subframe derived from the system frame number and the term [Current TTI/SP_Period] is rounded to an integer prior to the modulo operation; SP_Period is the periodicity of the semi-persistent scheduling; and Num_SP_HARQ is the number of hybrid automatic repeat request processes that are allocated for semi-persistent scheduling. | 04-23-2009 |
20090247178 | Apparatus and method for scheduling packets - An apparatus comprising a controller for controlling radio communication using communication resources for user data communication, and control resources for controlling communication on the communication resources, an allocator for allocating mobile stations to use at least one of a dynamic allocation and a persistent allocation, each allocation defining a different utilization of the control resources and communication resources, a monitor for monitoring one or more reallocation conditions associated with at least one of the dynamic allocation and the persistent allocation, and a reallocator configured to reallocate at least one mobile station if one of the one or more reallocation conditions is fulfilled. | 10-01-2009 |
20100110886 | Automated local spectrum usage awareness - Disclosed herein are methods, apparatus and computer programs providing localized awareness of spectrum usage and other factors in uncoordinated deployments of radio access networks. A method includes transmitting a beacon from a first access node for reception by a first user terminal that is associated with the first access node and also by a second user terminal that is associated with a second access node. The method further includes receiving feedback from the first user terminal that is associated with the first access node, the feedback comprising information obtained by the first user terminal from a beacon received from the second access node. | 05-06-2010 |
20110201340 | Method and Apparatus for Cell Selection in Flexible Spectrum Use Radio System - In accordance with an example embodiment of the present invention, an apparatus comprises a transceiver configured to receive beacons from a plurality of access points; a processor configured to estimate an expected bit-rate for the plurality of access points based at least in part on a frequency spectrum use resourcing, select an access point from the plurality of access points based at least in part on a target expected bit-rate and cause the transceiver to connect to the selected access point. | 08-18-2011 |
20120094610 | Apparatus, Method, Computer Program for Communication and System Thereof - The invention is related to a method comprising: receiving a beacon signal from at least one transmitter; measuring total received interference power; determining strength of the received at least one beacon signal; determining at least one offset value by using the information the at least one beacon signal comprises; generating estimates of received interference power values transmitter-wise by using the determined at least one offset value and the determined strength of the received at least one beacon signal; combining the transmitter-wise estimated received interference power values for obtaining an estimated total received interference power; and subtracting the estimated total received interference power from the measured total received interference power for obtaining a residual interference power, the residual interference power originating from uncooperative devices. | 04-19-2012 |
20120106466 | SYSTEM AND METHOD TO AVOID DOWNLINK CONTROL CHANNEL COVERAGE LIMITATION IN A COMMUNICATION SYSTEM - A method, apparatus, and system for providing a communication resource for a communication device in a communication system. In one embodiment, an apparatus includes a processor ( | 05-03-2012 |
20120129560 | PRIORITY-BASED FAIRNESS AND INTERFERENCE SIGNALLING TECHNIQUE IN A FLEXIBLE SPECTRUM USE WIRELESS COMMUNICATION SYSTEM - The exemplary embodiments of the invention relate to at least a method, computer program, and apparatus to transmit a beacon from a first access node to a first user terminal associated with the first access node and also to a second user terminal associated with a second access node, where the beacon includes information indicating a priority of the first access node with respect to a radio resource allocation, and receive feedback from the first user equipment associated with the first access node, where the feedback includes information indicating a priority of the second access node. Further, in accordance with the first embodiments there is adjusting a value of a priority of a wireless network access node over time depending on an amount of radio resources reserved for use by the wireless network access node, such that the priority value decreases as more radio resources are reserved and increases as fewer radio resources are reserved, and transmitting the value of the priority to at least one other wireless network access node. Additionally, the exemplary embodiments of the invention relate to receiving an identification of a radio resource from a serving access node, and transmitting an interfering signal that specifies the identified radio resource. In addition, exemplary embodiments of the invention include detecting at an access node, uplink interference in a radio resource, and releasing a radio resource identified by the radio resource in which uplink interference was detected for use by another access node. | 05-24-2012 |
20130084856 | Device Mobility Based Scanning Period Control - A user equipment UE selects between a first scanning mode and a second scanning mode using at least inputs of signal quality of a link with an access node and at least one of UE speed and network type of the access node. It then determines a scanning rate using the selected scanning mode and the UE speed, and detects and measures inter-frequency neighbor cells according to the determined scanning rate. In one example both modes the increase scanning rate for increased UE speeds, except that for the first mode speeds above V | 04-04-2013 |
20130121220 | SELF-ADJUSTING DISCONTINUOUS RECEPTION PATTERN - Radio access networks and particularly enhancements for diverse data applications may benefit from a self-adjusting discontinuous reception (DRX) pattern. According to certain embodiments, for example, a method may include configuring a discontinuous reception pattern of a user equipment and adjusting the discontinuous reception pattern at the user equipment autonomously with respect to a base station. | 05-16-2013 |
20140220973 | MOBILITY STATE ESTIMATION ENHANCEMENT FOR SMALL CELL AND HETEROGENEOUS NETWORK DEPLOYMENTS - Various communication systems may benefit from mobility state estimation (MSE) enhancement for small cell and heterogeneous network (HetNet) deployments of the same. For example, a first user equipment (UE) and a second user equipment traveling through a HetNet may pass through a varying number of cells causing a poor MSE for each. A method may comprise performing a MSE. The method may include determining whether at least one cell change results in UE staying less than a predetermined time in a cell and filtering out from the MSE the at least one cell change, when the UE stays less than the predetermined time in the cell. The method may also comprise including the at least one cell change in the MSE when the UE stays at least the predetermined time in the cell. | 08-07-2014 |
20140269598 | Apparatus and Method for Time Domain ICIC with Muting Pattern Comprising Fixed and Optional Parts - According to an example embodiment of this invention, a method may include by a processor, receiving a configuration of a flexible muting pattern, wherein the muting pattern comprises a fixed part and an optional part; determining to activate the optional part of the flexible muting pattern; and preparing a message indicating to a network element that the optional part of the flexible muting pattern is activated. Apparatus and computer readable media are also described. | 09-18-2014 |
20140335870 | METHOD AND APPARATUS FOR CONTROLLABLY HANDING OVER A MOBILE TERMINAL TO A SMALL CELL WITHIN A HETEROGENEOUS NETWORK - A method, apparatus and computer program product are provided for controlling the handover of a mobile terminal, particularly a quickly moving mobile terminal, to a small cell. In the method, the speed or the mobility state of the mobile terminal is determined. The method may also determine whether at least a predefined plurality of small cells are available in proximity to the mobile terminal. If the mobile terminal is moving with a speed that satisfies the speed threshold or the mobility state satisfies a predefined criteria, the method causes initiation of a handover of the mobile terminal to a respective small cell only in an instance in which at least the predefined plurality of small cells are determined to be available in proximity to the mobile terminal or in which a successful connection or handover was previously established with the respective small cell or its neighboring small cell(s). | 11-13-2014 |
20140348146 | TRANSITION PERIOD FOR DUAL CONNECTIVITY - Methods and apparatus, including computer program products, are provided for dual connectivity. In one aspect there is provided a method. The method may include alternating access, by a user equipment during a transition between a first base station and a second base station, to the first base station and the second base station, wherein the alternating is performed during the transition in accordance with a schedule. Related apparatus, systems, methods, and articles are also described. | 11-27-2014 |
20150011218 | HOME BASE STATION MANAGEMENT USING EXTENDED CLOSED SUBSCRIBER GROUP ACCESS - The application relates to managing interference at the user equipment caused by femtocell base stations, such as home base stations, home E-UTRAN Node B base stations, and the like, configured with closed subscriber groups by allowing the user equipment to access a femtocell base station which would normally not allow access to the user equipment because the user equipment is not a member of the CSG being served by the femtocell base station. When a user equipment is within range of HeNB serving a CSG cell to which the user equipment is allowed access, referred to as the “allowed HeNB”, the user equipment may encounter severe interference from another, adjacent HeNB serving another CSG cell, which the user equipment may not be allowed access to, referred to as the “not allowed HeNB”, and which may have a stronger signal in terms of power than the HeNB including the CSG to which access is allowed. Rather than to allow the user equipment ( | 01-08-2015 |
20150045024 | MEASUREMENT PATTERN FOR SMALL CELL SEARCHING - Methods and apparatus, including computer program products, are provided for small cell searching. In one aspect there is provided a method. The method may include searching, in a first mode, for a first cell including a first base station based on a first event; changing, based on a second event, to a second mode having a search rate different than the first mode, wherein the second mode searches for the first cell including the first base station; and establishing a connection from a user equipment to the first base station serving the first cell. Related apparatus, systems, methods, and articles are also described. | 02-12-2015 |
Patent application number | Description | Published |
20100128614 | Resource allocation in communications system - The application discloses a method for resource allocation in a communications system. The system comprises an apparatus, such as a base station, arranged to monitor the allocation of resource blocks to scheduled data packets. On the basis of the monitoring, eventual non-allocated resource blocks are detected. The apparatus is thus arranged to perform a priority calculation on scheduled user terminals. On the basis of the calculation, one or more of the scheduled user terminals are selected as priority user terminals. Next, the method comprises performing a further allocation step, wherein the non-allocated resource blocks are allocated to one or more of the priority user terminals. | 05-27-2010 |
20130107727 | Apparatus and Method for the Management of Reception Parameters in a Communication System | 05-02-2013 |
20130242953 | UPDATE OF TIMING ADVANCE WITHOUT STARTING DISCONTINUOUS RECEPTION ACTIVITY TIMER - Methods, apparatuses, and computer programs that are able to minimize UE power consumption while still updating the TA are provided. For example, one embodiment includes performing TA update without starting the DRX inactivity timer and short cycle timer. | 09-19-2013 |
20140004866 | INTERFERER ACTIVITY SIGNALING FOR TIME DOMAIN (TDM) INTER-CELL INTERFERENCE COORDINATION (ICIC) | 01-02-2014 |
20140315556 | Method and apparatus for connection management - In accordance with an example embodiment of the present invention, there is provided an apparatus, comprising a receiver configured to receive information describing a first set comprising at least one first environmental radio condition, at least one processing core configured to determine, whether at least one of the at least one first environmental condition is fulfilled, and at least one transmitter configured to cause an indication that the at least one first environmental condition is fulfilled to be sent to a network. The set may comprise a radio fingerprint, which may be received in a user equipment from a base station. | 10-23-2014 |
20140357270 | MEASUREMENT CONFIGURATION - In accordance with an example embodiment of the present invention, there is provided an apparatus, comprising: a receiver configured to receive a first message, the first message comprising an indication of a determination that a user equipment is in physical proximity of a first cell, at least one processor configured to determine whether the first cell is available to the user equipment, and the at least one processor being configured to, responsive to a determination the first cell is available to the user equipment, cause a second message to be transmitted to the user equipment, the second message comprising an instruction for the user equipment to perform at least one measurement to discover the first cell. | 12-04-2014 |
20150085798 | Radio Resource Control (RRC) Connection Re-Establishment - Systems, methods, apparatuses, and computer program products for a radio resource control connection re-establishment for a wireless system, such as LTE and LTE-A, are provided. One method comprises determining a strongest signal strength cell to a user equipment and comparing the strongest signal strength cell to a list of prepared cells. The method further comprises determining if the strongest signal strength cell is a suitable cell and if it is on the list of prepared cells. The method may further comprise, upon a connection failure, the user equipment attempting re-establishment connection between the user equipment and the strongest signal strength cell if the strongest signal strength cell is a suitable cell and is on the list of prepared cells. | 03-26-2015 |