Abstract: 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.

Abstract: Systems and techniques for changing between secondary cells in dual connectivity communication. A user device (110A) operating in dual connectivity with a master base station (102) and a source base station (106A) transmits a change request to a target secondary base station (106B), seeking a connection change to a target base station that is to be used as the secondary base station. The target base station (106B) notifies the master base station (102) of the change request, and the master base station performs changeover operations—for example, notifying the source base station (106A) that it is no longer to be used in dual connectivity with the user device (110A) making the request, and notifying the user device (110A) that the change request has been accepted, with the user device (110A) then proceeding to establish connection with the target secondary base station (106B).

Abstract: A method includes monitoring, in a user terminal, a PDCCH channel during an active period of a DRX cycle. For defining a TDD configuration for the terminal when an inactive period of the DRX cycle changes into an active period, the method further includes monitoring downlink sub-frames and DwPTS sub-frames according to a downlink HARQ reference configuration until an update of the TDD configuration is received; monitoring the PDCCH channel for any sub-frames except for sub-frames scheduled or configured for uplink transmission by the downlink HARQ reference configuration until the update of the TDD configuration is received; and/or monitoring the PDCCH channel for sub-frames when the terminal monitors the PDCCH channel for paging.

Abstract: 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.

Abstract: A method, computer program and apparatus operate when resuming data transmission/reception upon activiation 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.

Abstract: Various example embodiments are disclosed herein. A technique is provided for controlling a response by a mobile station (MS) to a radio link failure detected by the MS in a dual connectivity wireless network in which the MS is connected to both a master base station (master BS) associated with a primary cell and a secondary base station (secondary BS) associated with a secondary cell. The MS may detect a radio link failure for a radio link between the MS and the secondary BS. In response to detecting the radio link failure, the MS may perform one of several preconfigured responses, or the MS may notify the master BS of the radio link failure, receive an instruction from the master BS, and then perform operations or respond to the radio link failure according to the received instruction.

Abstract: A technique is provided for retransmitting data in a dual connectivity network in which a mobile station (MS) is connected to a first base station (BS) via a first radio link and to a second BS via a second radio link, including sending, by a first protocol entity of the MS, a protocol data unit (PDU) to a first entity of a second protocol of the MS for transmission to the first BS via the first radio link, detecting a trigger condition at the MS associated with the PDU, and re-sending, by the first protocol entity of the MS, the PDU to a second entity of the second protocol of the MS for transmission to the second BS via the second radio link.

Abstract: There is provided a control entity for a communication network, a base station including such a control entity and a user equipment for communication with such a base station. The control entity includes a controller for providing a downlink control signal (e.g. a downlink assignment) scheduling a downlink data resource in a first time slot wherein the controller is configured for providing the downlink control signal over a downlink control resource in an earlier time slot which is chronologically earlier than the first time slot.

Abstract: 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.

Abstract: An apparatus of a communication network detects that a modification of a radio resource control connection for a user equipment is required. The apparatus decides, based on the detected modification requirement, if a re-establishment of a packet data convergence protocol is required for a first radio bearer and/or a second radio bearer, and indicates, in a radio resource control reconfiguration message, the first radio bearer and/or the second radio bearer for which re-establishment of the packet data convergence protocol is required. The user equipment detects, from the radio resource control reconfiguration message, that a modification of a radio resource control connection between the user equipment and the communication network is required, and re-establishes the packet data convergence protocol for the first radio bearer and/or the second radio bearer in accordance with the indication set in the radio resource control reconfiguration message.

Abstract: 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.

Abstract: According to embodiments of the invention, an apparatus is provided which includes a connection unit configured to send and/or receive data to and/or from a secondary network control node, a processor configured to establish a configuration preparation message for the secondary network control node for preparing a carrier aggregation in which data to a user equipment is transmitted by at least two component carriers, and in which at least one first component carrier is provided between the apparatus and the user equipment and at least one second component carrier is provided between the secondary network control node and the user equipment, wherein the configuration preparation message includes configuration preparation information for the carrier aggregation, and the connection unit is configured to send the configuration preparation message to the secondary network control node.

Abstract: Method and apparatus for reception of data units in a device by means of a first protocol and a second protocol are disclosed. A control function of the second protocol is informed of interruption in a control function of the first protocol. In response thereto a reordering timer of the second protocol is considered as having expired, and a state variable of the second protocol is updated to equal with a highest received state variable.

Abstract: Various communication systems may benefit from parallel preamble transmissions. In particular, communication systems of the long term evolution of the third generation partnership project may benefit from methods and systems for parallel preamble transmission in power limited situations. A method can include determining at a physical layer of a device that a predetermined condition has been met with respect to a power limited situation. The method can also include communicating an indication that the predetermined condition has been met to a higher layer of the device based on the determining that the predetermined condition has been met.

Abstract: A method, computer program and apparatus operate when resuming data transmission/reception upon activiation 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.

Abstract: A technique is provided to control transmitting, by a mobile station (MS) that uses carrier aggregation, a message including an interoperability test (IOT) indication for one or more uplink-downlink (UL-DL) configuration combinations of time-division-duplex (TDD) radio frames for use by a primary cell and a secondary cell. In one example implementation, an IOT indication may be provided for one or more (or each) uplink-downlink configuration combinations (e.g., one IOT indication per UL-DL configuration combination). In another example implementation, an IOT indication may be provided for one or more sets of uplink-downlink configuration combinations, where each set may include a plurality of UL-DL configuration combinations.

Abstract: 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.

Abstract: A method includes comparing at least one received signal received parameter value for at least one channel state information reference signal associated with a first frequency with at least one received signal received parameter value for at least one channel state information reference signal associated with a second frequency; and causing information from said comparing to be reported.

Abstract: Communication systems, such as long term evolution, can benefit from enhancements to hybrid automatic repeat request (HARQ) handling. For example, certain LTE systems can benefit from prioritization of uplink (UL) transmissions in case of HARQ feedback repetition, A method can include, when a random access channel preamble collides with ACK/NACK, prioritizing the preamble over ACK/NACK, The method can be performed regardless of repetition being configured or not. Another method can include, when a dedicated scheduling request or a msg3 collides with an ACK/NACK repetition, conditionally prioritizing the dedicated scheduling request or the msg3 transmission.

Abstract: 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.