Patent application number | Description | Published |
20080242292 | METHOD AND APPARATUS FOR PROVIDING CONTEXT RECOVERY - An approach is provided for context recovery. A radio link failure condition of a wireless link employed by a mobile unit is detected. An identifier of the mobile unit is received. A determination is whether the mobile unit can re-use connection parameters that were established prior to the failure condition. The mobile unit is instructed to re-use the connection parameters based on the determination. | 10-02-2008 |
20090088195 | METHOD AND APPARATUS FOR SIGNALING OF SCHEDULING INFORMATION - An approach is provided for signaling of scheduling information. A determination of one or more parameters for inclusion as scheduling information is made. A message containing the scheduling information in a header field is generated, wherein the one or more parameters include at least one of buffer status information, power headroom information, or a combination thereof. | 04-02-2009 |
20090327828 | METHOD AND APPARATUS FOR PROVIDING A DATA RETRANSMISSION SCHEME - An approach is provided for efficient retransmissions by allocating a transmission resource for transmitting data and allocating a retransmission resource for retransmitting the data according to a transmission scheme that specifies relationship between the transmitted data and the retransmitted data for providing communication over a radio network. | 12-31-2009 |
20110242972 | Dynamic Buffer Status Report Selection For Carrier Aggregation - In one exemplary aspect of this invention a method includes buffering data in a user equipment and, in response to an amount of buffered data exceeding a threshold value, triggering the generation of a buffer status report and the sending of the buffer status report to a network access node, where the threshold value is a function of the capacity of a currently allocated uplink data transmission resource and some certain amount of time. In another exemplary embodiment the triggering of the generation of the buffer status report and the sending of the buffer status report to a network access node occurs when an amount of buffered data in a buffer of a particular logical channel group exceeds a maximum value associated with one of a plurality of buffer status report tables that is currently in use. | 10-06-2011 |
20110243102 | MULTIPLE TIMING ADVANCE AND CARRIER AGGREGATION - At least one of transmissions and receptions over allocated radio resources within a first timing advance group are synchronized using a first timer; and similar for allocated radio resources within a second timing advance group that are synchronized using a second timer. In response to determining that the first timer remains synchronized while the second timer is not synchronized with a radio network which has allocated the respective radio resources, a first procedure is followed for the case in which there is a primary component carrier within the second timing advance group and a different second procedure for the case in which there is no primary component carrier within the second timing advance group. In an exemplary embodiment, a message is sent to the radio network indicating that the second timer has expired. Various distinctions between the two procedures, and how the message is sent, are detailed for different embodiments. | 10-06-2011 |
20110246846 | METHOD AND APPARATUS FOR PROVIDING A DATA RETRANSMISSION SCHEME - An approach is provided for efficient retransmissions by allocating a transmission resource for transmitting data and allocating a retransmission resource for retransmitting the data according to a transmission scheme that specifies relationship between the transmitted data and the retransmitted data for providing communication over a radio network. | 10-06-2011 |
20110275359 | Carrier Aggregation For Two Radio Systems - A method includes enabling interoperability between different types of wireless communication systems operating with different types of air interfaces to provide downlink radio resource aggregation for a user equipment. Enabling includes establishing a first connection between a medium access control (MAC) protocol layer of a first wireless communication system and a physical layer of the first wireless communication system; establishing a second connection between the MAC protocol layer of the first wireless communication system and a MAC protocol layer of a second wireless communication system; using the first connection, performing wireless communications with the user equipment via one or more component carriers over a first air interface of the first wireless communication system; and communicating data over the second connection, the data used in wireless communications via one or more component carriers over a second air interface of the second wireless communication system. Apparatus and program products are also disclosed. | 11-10-2011 |
20120176924 | Channel Quality Indicator Reporting - A method, computer program and apparatus operate when resuming data transmission/reception upon activation of a serving cell, or after a long in-device coexistence interference avoidance gap, to determine whether to report to a network access node an in-device coexistence interference indicator value and send the in-device coexistence interference indicator value to the network access node, The in-device coexistence interference indicator value is reported to the network access node for a certain period if any periodic channel quality indication resource is configured for the cell, or if an aperiodic channel quality indication for the cell is requested from the network access node. | 07-12-2012 |
20130128829 | Signalling Report Transmission in Carrier Aggregation - A user equipment prepares a signalling report in response to receiving a control element for activation/deactivation of component carriers to be used by the user equipment for communication in a cellular communications network system, and transmits the signalling report. | 05-23-2013 |
Patent application number | Description | Published |
20100182965 | AVOIDING COLLISIONS BETWEEN SEMI-PERSISTENT ALLOCATION AND DYNAMIC ALLOCATION IN RADIO ACCESS NETWORKS - A method, including receiving a request for retransmission from user equipment for a predetermined transmission time interval in a communication network; determining whether a collision risk exists between the retransmission and another transmission during the predetermined time interval; and ignoring the retransmission request when the determined collision risk exists. | 07-22-2010 |
20100329182 | Apparatus, Methods, Computer Program Products And Systems Providing RACH Parameters In A Broadcast Channel For A Random Access Procedure - In one non-limiting, exemplary embodiment, a method includes: receiving at least one parameter from a broadcast channel ( | 12-30-2010 |
20110183647 | Method, Apparatus and Computer Program Product for Providing Closed Subscriber Group Access Control - An apparatus for providing closed subscriber group access control may include a processor. The processor may be configured to maintain a non-access register including an identifier of a communication cell associated with a closed subscriber group to which a communication device associated with the non-access register does not have access rights, and enable subsequent communication with another communication cell based on the other communication cell not being identified in the non-access register. A corresponding method and computer program product are also provided. | 07-28-2011 |
20110201323 | System Information Update For Carrier Aggregation - A method for providing SI updates for a carrier aggregation system is described. The method includes, for each other CC of a configured set of CCs, determining a start time for the other CC when updated SI for the other CC becomes valid. A first time prior to each start time for the at least one other CC is determined. A message including the updated SI for the at least one other CC and an indication of the first time is sent on a first CC. A UE configured for a set of CCs receiving the message. For each CC of the configured set of CCs, a next time for the other CC which begins after the first time is determined and the UE is configured to use the updated SI for the other CC beginning at the next time. Apparatus and computer readable media are also described. | 08-18-2011 |
20110205976 | UE Specific Signaling Carrier Indicator For Carrier Aggregation - A node of a communication system having a plurality of aggregated component carriers CCs determines that a user equipment UE is capable of operating simultaneously on multiple CCs. During configuration or re-configuration of the UE, the node sends to the UE radio resource control RRC signaling along with an indication of which of the plurality of CCs to which the RRC signaling applies. In an embodiment the determining is from a UE capability information element that the UE sends which indicates at least a maximum number of downlink or uplink CCs on which the UE can simultaneously communicate. There may be a separate indication for each downlink and each uplink CC to which the RRC signaling applies, and the CCs for which the RRC signaling relates may be reconfigured upon handover to another cell or during any configuration/re-configuration. | 08-25-2011 |
20110269460 | Closed Subscriber Group Cell Identification for Active Mode Mobility - While camped on a first cell with a first access node, it is determined that a second cell of a second access node is a private cell. From information received from a network it is determined that a criteria is satisfied, and conditional on the criteria being satisfied, a unique identifier for a private network of the private cell is decoded. Exemplary embodiments include a method, apparatus and computer readable medium storing a program. In various specific and non-limiting embodiments: being camped on the first cell comprises being in an active RRC CONNECTED state; the information received is broadcast information, the determining is by comparing received L1 ID to a list of locally stored CSG L1 IDs; the received broadcast information comprises a first portion of a TA ID and the criteria being satisfied comprises the first portion matching an entry of a locally stored whitelist. | 11-03-2011 |
20110310760 | CARRIER AGGREGATION WITH POWER HEADROOM REPORT - Methods, apparatuses, and software can be used for providing power headroom reporting in a telecommunication system. A method can include configuring a user equipment to send a power headroom report control element in uplink, wherein the power headroom report control element includes a bitmap indicating which power headroom reports are being reported. The method can further include receiving the power headroom report control element from the user equipment. The method additionally can include processing the received power headroom report control element based on the configuration of the user equipment. | 12-22-2011 |
20110319065 | METHOD AND APPARATUS TO LIMIT PERIODIC UPLINK TRANSMISSIONS - In accordance with an exemplary embodiment of the invention, there is at least a method, apparatus which may include operations that result from operation of computer program code, and a plurality of coupled logic circuit elements constructed to carry out the associated functions for, in response to signaling received from a network access node, prematurely terminating operation of a timer running on a user equipment, the timer being used to control how long the user equipment is considered uplink time aligned, and performing operations defined to be executed upon the timer expiring. Further, in accordance with an exemplary embodiment of the invention there is signaling a user equipment to prematurely terminate operation of a timer running on the user equipment, the timer being used to control how long the user equipment is considered uplink time aligned, and reserving an uplink resource for the user equipment. | 12-29-2011 |
20120135736 | Connection Re-Establishment in a Communication System - A method is disclosed where information is sent to at least one mobile device in a connected mode first system. The information is indicative that a deliberate connection re-establishment is to be used to access at least one second system at least in certain situations when the at least one mobile device is in connected mode. The mobile device in the first system can process the information, and based on the processing, initiate a deliberate connection re-establishment procedure to access a second system. | 05-31-2012 |
20120182986 | Timing Control - A method including at a first device configured for making one or more transmissions to a second device in one or more of a plurality of frequency blocks and configured to receive respective timing commands for each of said plurality of frequency blocks: determining that the most recently received timing commands for each of the plurality of frequency blocks are all valid, when a predetermined period of time has not expired since receiving the most recent timing command for any one of said plurality of frequency blocks. | 07-19-2012 |
20120190376 | Method and Apparatus to Control Scheduling - A method of scheduling resources in a communications link wherein a scheduling requests are transmitted from a first entity to a second entity including determining if any of the following conditions exist: the time elapsed since the last scheduling request exceeds a designated time; the up-link requirement exceeds a predetermined level; or semi-persistent scheduling exists; and if so, suppressing the transmission and/or triggering of scheduling requests. | 07-26-2012 |
20120250559 | Method, Mobile Station, Base Station and Computer Program Product to Control the Activation of a Wireless Carrier - Providing and receiving carrier information using a bitmap comprising a series of bits, each bit indicating one of two predetermined states for a respective carrier of a predetermined group of carriers. | 10-04-2012 |
20120281527 | Re-Establishment of Component Carriers in a Wireless Communication System - Re-establishment methods and control apparatuses for causing performance of the methods is disclosed. In a method, when data is communicated on a configured set of component carriers, a trigger for connection re-establishment is detected. At least one component carrier in the configured set is identified, the component carrier being such that it can be used for connection re-establishment. Connection re-establishment is then requested through the at least one identified component carrier. | 11-08-2012 |
20120287865 | Cross-scheduling for random access response - In a random access procedure, a downlink random access response indicates at least a timing advance and an explicit indication identifying one component carrier or cell (CC/Cell) of a plurality of component carriers or cells, or a group of CCs/Cells, to which the timing advance applies. The eNB or UE then operate their radio on the indicated one CC/Cell synchronous with the timing advance. In various embodiments the random access response may also indicate an uplink resource granted to the user equipment, which lies on that same one or group of CCs/Cells. The explicit indication may be a single bit indicating a timing advance group; a CC/Cell/group index whose presence in the response is indicated by a flag bit; a CC/Cell/group index in the response is known from the response's format whether it includes such an index, where the format indication can be via a bit in the response itself or RRC signaling or implicit from the RACH and cross-carrier scheduling being configured. | 11-15-2012 |
20130094455 | Dynamic Buffer Status Report Selection for Carrier Aggregation - In one exemplary aspect of this invention a method includes buffering data in a user equipment and, in response to an amount of buffered data exceeding a threshold value, triggering the generation of a buffer status report and the sending of the buffer status report to a network access node, where the threshold value is a function of the capacity of a currently allocated uplink data transmission resource and some certain amount of time. In another exemplary embodiment the triggering of the generation of the buffer status report and the sending of the buffer status report to a network access node occurs when an amount of buffered data in a buffer of a particular logical channel group exceeds a maximum value associated with one of a plurality of buffer status report tables that is currently in use. | 04-18-2013 |
20130329545 | Error Control in a Communication System - A method and apparatus for controlling wireless communications by a multi-radio communication device is disclosed. An error control mechanism can be operated in accordance with a first mode of operation. Switching to a second mode of operation is provided in response to determining occurrence of a period of communication restrictions that is longer than a threshold. The error control mechanism is then operated in accordance with the second mode of operation during the period. | 12-12-2013 |
20130329681 | Method and Apparatus - A method includes determining an unscheduled period in which a user equipment is configured to utilise a radio frequency different to a wireless cellular communication and providing a message including length information indicating a length of said unscheduled period. | 12-12-2013 |
20130337815 | Method and Apparatus for Managing Co-Existence Interference - A method includes determining if a user equipment is to be handed over to a target radio access node and if said user equipment suffers co-existence interference, and providing a message to be sent to said target radio access node, said message including interference information indicating that said user equipment suffers co-existence interference. | 12-19-2013 |
20140010205 | Reporting in a Communication System - Methods and apparatuses for signalling and use of information regarding coexisting radios is disclosed. In the method is it determined whether there is a change in information regarding the coexisting radios because of a handover of the device, and selectively signaling information regarding the coexisting radios from the device based on the determination. A target station can selectively provide control on the device such that if the target station receives information regarding the coexisting radios from the device the control is provided based on said received information, and if the target station does not receive information regarding the coexisting radios from the device the control is provided based on information provided earlier by the device to a source station. | 01-09-2014 |
20140050113 | Method and Apparatus for Deactivating One of a Primary and Secondary Cells of a User Equipment - A method includes causing a primary cell for a user equipment to be deactivated. The said user equipment has at least one active secondary cell. | 02-20-2014 |
20140078965 | Dynamic Buffer Status Report Selection For Carrier Aggregation - In one exemplary aspect of this invention a method includes buffering data in a user equipment and, in response to an amount of buffered data exceeding a threshold value, triggering the generation of a buffer status report and the sending of the buffer status report to a network access node, where the threshold value is a function of the capacity of a currently allocated uplink data transmission resource and some certain amount of time. In another exemplary embodiment the triggering of the generation of the buffer status report and the sending of the buffer status report to a network access node occurs when an amount of buffered data in a buffer of a particular logical channel group exceeds a maximum value associated with one of a plurality of buffer status report tables that is currently in use. | 03-20-2014 |
20140080531 | Extended Access Barring Mechanisms for Machine Type Communications - Methods, apparatuses and a computer program product for Extended Access Barring for machine type communications defining first access class barring parameters, a first scaling factor and a second scaling factor, and transmitting, by a base station, the first access class barring parameters, the first scaling factor and the second scaling factor to user equipment. | 03-20-2014 |
20140086118 | Discontinuous Reception for Carrier Aggregation - Methods and apparatuses for carrier aggregation with discontinuous reception is disclosed. At least two different time division duplexing configurations can be communicated from serving cells to a device, the subframes of the at least two different configurations being counted for purposes of operating at least one timer function according to a predefined rule of counting. Discontinuous communications by the serving cells with the device are controlled based on the predefined rule of counting such that at least one timer function associated with discontinuous reception from the serving cells is operated based on the counting. | 03-27-2014 |
20140161117 | eNB Enforced TAT Expiry/TA Validity - An apparatus includes an interface connectable to a network, and a controller configured to control a network including UE(s). An uplink connection of the UE(s) is configured on component carrier(s), and a timing advance related instruction with respect to the component carrier(s) is sent to the UE(s), by which validity of the timing advance is changed. An apparatus includes an interface connectable to a network, wherein an uplink connection of the apparatus is configured on component carrier(s), the interface being configured to receive a timing advance related instruction. A controller is configured to change a timing advance validity with respect to the component carrier(s) in response to receiving the timing advance related instruction. Likewise, corresponding methods and computer program products are proposed. | 06-12-2014 |
20140185595 | Determination of the Timing Advance Group - A technique, including initiating an access procedure by making from a communication device an uplink transmission on one component carrier of a plurality of component carriers associated with an access node; thereafter receiving at said communication device group information specifying a group of said plurality of component carriers sharing uplink transmission timing information as a group to which said one component carrier belongs; and making from said communication device a further uplink transmission on said one component carrier using uplink transmission timing information for said group specified in said group information. | 07-03-2014 |
20140206294 | Methods and Apparatus for Providing Measurement Information - A method including determining if there is in device co-existence interference during operation of said device; and causing information about in device co-existence interference and information about measurements performed by said device to be transmitted to a base station. | 07-24-2014 |
20140241227 | Discontinuous Rreception - A method may be provided. The method may include selecting one of a first discontinuous cycle of a first length and a second discontinuous reception cycle of a second length. The second discontinuous reception cycle may be of a different length to the first cycle. Both of the first and second cycles may be available for selection. The method may further include using said selected cycle. | 08-28-2014 |
20140241320 | Method and Apparatus - A method is provided. The method includes performing a media access control reset. The media access control reset is provided without performing at least one of a radio link control reset and a packet data convergence protocol reset. | 08-28-2014 |
20140293930 | METHOD AND AN APPARATUS TO CONTROL SCHEDULING - A method of scheduling resources in a communications link wherein a scheduling request is transmitted from a first entity to a second entity including determining if any of the following conditions exist: the time elapsed since the last scheduling request exceeds a designated time; the up-link requirement exceeds a predetermined level; or semi-persistent scheduling exists; and if so, suppressing the transmission and/or triggering of scheduling requests. | 10-02-2014 |
20140348105 | Signaling of Uplink Scheduling Information in Case of Carrier Aggregation - An apparatus and a method is provided, by which data is sent to and/or received from a first network control node and at least one second network control node by a carrier aggregation, uplink scheduling information is established and sending of the uplink scheduling information is managed individually for the first network control node and the at least one second network control node. | 11-27-2014 |
20140355504 | Handling a State of a Device - Method and apparatuses for handling transition of a connected device to an unsynchronised state are disclosed. In accordance with a method a trigger for move from a synchronised state is determined where after a control channel for the synchronised state is released and a move to the unsynchronised state is performed while remaining connected based on a discontinuous reception configuration defined for the unsynchronised state. The discontinuous reception configuration can be sent to the device. Control information can be sent to the device according to the discontinuous reception configuration. | 12-04-2014 |
20150049722 | CARRIER AGGREGATION WITH POWER HEADROOM REPORT - Methods, apparatuses, and software can be used for providing power headroom reporting in a telecommunication system. A method can include configuring a user equipment to send a power headroom report control element in uplink, wherein the power headroom report control element includes a bitmap indicating which power headroom reports are being reported. The method can further include receiving the power headroom report control element from the user equipment. The method additionally can include processing the received power headroom report control element based on the configuration of the user equipment. | 02-19-2015 |