Abstract: A method comprises, responsive to a first base station of a user equipment changing, causing measurement information of one or more cells of one or more second base stations made by said user equipment to be stored; and causing said stored measurement information to be provided to a third base station.

Abstract: 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.

Abstract: Systems, methods, apparatuses, and computer program products for the transmission of uplink (UL) control information via unlicensed spectrum are provided. One method includes dynamically allocating, by a network node, control channel resources for transmitting of uplink control information (UCI). The method may also include scheduling a user equipment with multiple transmission opportunities for each hybrid automatic repeat request (HARQ) acknowledgement/non-acknowledgement (A/N) on the control channel in multiple uplink subframes.

Abstract: There is provided a method comprising causing uplink feedback information to be transmitted via a radio interface of a first access point, wherein the uplink feedback information is associated with a protocol entity for downlink data transmission via a radio interface of a second access point only.

Abstract: There is provided a method comprising receiving, at a control node associated with a plurality of access points of a first network (e.g. a WLAN Interworking Gateway-WIG), information from an access point of a second network (e.g. an eNB of a LTE network), wherein the received information is useable by the control node to perform at least one association procedure (e.g. AP selection, local IP and MAC address assignment, admission control, authentication) with an access point of the first network (e.g. WLAN) on behalf of a user equipment, said user equipment being associated with the second network, performing said at least one association procedure and providing association procedure information to the access point of the second network.

Abstract: Provided are methods, corresponding apparatuses, and computer program products for a fast handover. A method comprises generating, at a source base station serving a user equipment, a first message and a second message including security information for security communication between a target base station and the user equipment after a fast handover. The method also comprises transmitting simultaneously, from the source base station, the first and second messages respectively to the target base station and the user equipment. With the claimed inventions, a fast X2 handover procedure is complemented and becomes more feasible with proposed security handlings, making it possible to decrease the service interruption during X2 handover for users and hence improve the user experiences.

Abstract: Various communication systems may benefit from signaling that instructs operation of devices. For example, certain wireless communication systems can benefit from signaling of listen-before-talk type for unlicensed spectrum operation. A method can include receiving a mapping between listen before talk type and a set of one or more of downlink ending partial subframe durations. The method can also include receiving indication of at least one downlink ending partial subframe duration of the plurality of downlink ending partial subframe durations. The method can further include determining a listen before talk type based on the received indication and the received mapping. The method can additionally include communicating with at least one access node based on the determined listen before talk type.

Abstract: A method, apparatus and computer program product are provided to receive, at a user equipment, an indication providing a cell location to which the user equipment, operating in a dual connectivity mode, should transmit a buffer status report for one or more bearers, the cell location being one of a first location, a second location, or a first location and second location and in response to being triggered, causing buffer status report to be transmitted to the location provided in the indication. In some embodiments, the bearer may be a split bearer. In some embodiments, the indication may be provided by RRC signaling, MAC signaling or physical layer signaling.

Abstract: There is provided a method comprising: preparing a data packet for transmission on a bearer, wherein at least one of the following is configured for transmission: a first network node and a second network node, checking whether at least one predetermined criterion is met, selecting, based at least partly on the said checking, whether to transmit the data packet via the first network node, via the second network node, or via both the first and the second network nodes, and transmitting the data packet according to the selecting.

Abstract: There are provided measures for configuration of carrier-related reference signal transmission. Such measures exemplarily include setting of a transmission mode for reference signal transmission on a carrier out of at least a long-cycle discontinuous transmission mode and a short-cycle discontinuous transmission mode, said long-cycle discontinuous transmission mode having a longer transmission discontinuity period than the short-cycle discontinuous transmission mode, and configuration of a transmission of at least one reference signal on the carrier according to the set transmission mode. The transmission mode setting may for example be based on at least one of an activation state of the carrier as serving cell and/or secondary cell and/or measurement object cell and a period of radio resource management measurement on the carrier.

Abstract: There are provided measures for enabling/realizing interface functionality for RAN-WLAN radio aggregation, i.e. radio level integration/aggregation between a cellular radio access network and a wireless area network. Such measures exemplarily comprise user-plane data forwarding from a cellular radio access network over a wireless local area network to a terminal, both the cellular radio access network and the wireless local area network providing radio level connectivity for the terminal, wherein in the user-plane data forwarding user-plane data packets according to a cellular data convergence protocol are transported, at least partly, using a reliable transport protocol over the wireless local area network to the terminal, providing feedback on performance of user-plane data packets transport using the reliable transport protocol, at least partly, from the wireless local area network to the cellular radio access network, and executing flow control on the basis of the performance feedback.

Abstract: A method, apparatus, and computer program for scanning for a secondary cell are provided. According to an embodiment, an apparatus operates in a primary cell of a cellular communication system, wherein the primary cell includes a primary component carrier associated with a bandwidth. The apparatus synchronizes scanning for a candidate secondary cell to radio transmissions in the primary cell, the secondary cell including a secondary component carrier expanding bandwidth beyond the bandwidth of the primary cell.

Abstract: A method may include receiving access network selection information from a user equipment and providing network selection information in dependence on said requested access network selection function information.

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: 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 includes determining a first transmission power for a first transmission from a user equipment and a second transmission power for a second transmission from the user equipment, the first and second transmission at least partially overlapping, the first and second transmission power being selected in dependence on at least one of which one or more channels are being transmitted and information on the at least one or more channels.

Abstract: A method including receiving timing information associated with a transmission of reference information from a first cell or first network node when in a less active mode; and using the timing information to control when transmissions from the first cell or first network node are monitored for the reference information.

Abstract: A method comprises, responsive to a first base station of a user equipment changing, causing measurement information of one or more cells of one or more second base stations made by said user equipment to be stored; and causing said stored measurement information to be provided to a third base station.

Abstract: Offloading Mechanism Using Load-Dependent Offloading Criteria Various communication systems may benefit from load adjustments, such as on-loading or off-loading. For example, third generation partnership project, 3GPP, and wireless local area network, WLAN, systems may benefit from a load-dependent load adjustment mechanism. A method can include obtaining (110), at a user equipment, at least one load-dependent criteria for load-adjusting. The interworking rule can relate to a mobile net work and a local area network. The method can also include applying (120), by the user equipment, the at least one load-dependent criteria when load-adjusting.

Abstract: There are provided measures for uplink control information signaling in inter-site downlink carrier aggregation scenarios. Such measures exemplarily include obtaining uplink transmission resources for an uplink control information transmission on said primary carrier, deriving a receiving timing for said uplink control information transmission, detecting said uplink control information transmission on said primary carrier based on said uplink transmission resources and said receiving timing, and decoding uplink control information from said uplink control information transmission.