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: 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 technique including: detecting at a communication device via a primary cell an identification of a plurality of cells operated at respective sites on the same radio resources as potential secondary cells for the communication device; subsequently detecting at the communication device via the primary cell an indication to perform one or more operations for one of the plurality of cells; and in response to the indication, automatically determining not to also perform the one or more operations for all other cells of the plurality of cells; wherein the one or more operations relate to the use of the one cell as a secondary cell for the communication device.

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 technique comprising: controlling a radio device to make on a first band a radio transmission including information for a plurality of other radio devices about operations at said plurality of other radio devices on a second band more widely shared than said first band.

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.

Abstract: 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.

Abstract: Methods and apparatus for controlling scheduling of uplink resources in a system where communication devices can communicate via a multiple of cells are dislosed. Scheduling weight information regarding a primary node and at least one secondary node can be determined and signalled by a node to at least one other node, for example to the at least one secondary node and/or at least one communication device. The received scheduling weight information can then be used in weighting of buffer status information before scheduling of uplink communications.

Abstract: There is provided a radio bearer to user equipment on a first component carrier by a first network node and on a second component carrier via a second network node connecting to the first network node; and receiving data units of the radio bearer on the first component carrier on the basis of the first network node terminating a protocol bearer of the radio bearer.

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: The invention relates to an apparatus including at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: convey a radio resource reconfiguration message to a user device for carrying out secondary cell configuration for downlink data conveyance using inter-site carrier aggregation functionality, and obtain and/or convey information on completion of the secondary cell configuration and/or activate downlink data forwarding to a secondary cell node.

Abstract: 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.

Abstract: Apparatus, methods, computer program products, systems and circuits are provided that allow for persistent uplink and downlink resource allocations. A method includes: allocating resources to a user equipment for a data flow over a plurality of time intervals with a single signaling event at a wireless network radio network layer; and informing the user equipment of the allocated resources.

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: 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.

Abstract: In accordance with an example embodiment of the present invention, a method is disclosed. Determining that downlink reception on a first CC is degraded due to interference caused by a second CC. In response to the determining, arranging UL signaling to inform a network of a quantitative power difference between the first and the second CC and further identifying which of the first or second CCs exhibits a higher power.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: An apparatus is described which includes a transceiver configured to be connectable to a first network node by a first uplink connection and at least a second network node by a second uplink connection. Uplink control signalling is generated independently for each network node, wherein the generated uplink control signalling for the first network node is sent via the first uplink connection, and the generated uplink control signalling for the second network node is sent via the second uplink connection.