Abstract: Embodiments of the present invention provide methods, systems and apparatuses for optimizing downlink path loss (PL) measurements in time division duplex (TDD) systems enabling fast power control targeting to decrease fading margin. In one embodiment, a method of power control in a long term evolution time division duplex (TDD) system is provided. The method includes controlling a length of a path loss measurement filter based on an allocation type. A width and frequency position of the path loss measurement filter is made dependent on the allocation type.

Abstract: There is provided a timing entity for a communication network which includes a base station and a user equipment capable of communicating with each other over at least two carriers which have different temporal configuration of its uplink and downlink resources. The timing entity includes a control entity adapted for determining timing data defining a timing of a control signalling transmission which is related to a data transmission on a first carrier and which uses a resource of a first type on the second carrier. According to an embodiment the timing data specify for the control signalling transmission a time slot in which there is available a resource of the first type on the second carrier for the control signalling transmission. The control entity may be implemented in a base station and/or a user equipment.

Abstract: The present invention proposes a method, including in a communication network area constituted by a plurality of transmission points configured for coordinated transmissions to at least one target, each transmission point being identified by an individual identifier, each transmission point being configured to transmit common reference signals on common channels and dedicated reference signals on dedicated channels to said at least one target device, assigning the respective individual identifier of each transmission point to the common reference signals on the common channels of the respective transmission point, and allocating, to the dedicated reference signals on the dedicated channels of respective plural transmission points, an identifier unrelated to the individual identifiers. Also, corresponding devices are addressed.

Abstract: A method includes receiving information at a user equipment from a first apparatus, the information indicating to the user equipment is to communicate with a second apparatus.

Abstract: A method includes receiving information at a first access node with which a user equipment is associated, said information including timing information of a second access node. The method also includes providing access node information for said user equipment in dependence on said timing information, said access node information defining at least one time period when said user equipment is to at least one of transmit to and receive signals from said at least one of said first and second access node.

Abstract: It is provided an apparatus, including first receiving means adapted to receive a first signal from a first cell on a first carrier of a cellular network; second receiving means adapted to receive a second signal from a second cell on the first carrier, wherein the first cell is different from the second cell; combining means adapted to combine the first signal and the second signal to a single incoming data unit of a radio link control layer of the cellular network.

Abstract: It is described a user equipment for a cellular communication network providing a plurality of cells, the user equipment including a receiver unit for receiving a first and second transmissions via a first and a second communication channel. The first communication channel uses a first cell and the second communication channel uses a different, second cell of said plurality of cells. A feedback unit is configured for providing a first and second channel state information feedback components for the respective communication channels with a separate, cell specific granularity. Further described is a base station of the cellular communication network.

Abstract: This disclosure relates to control of communications by a communication device in a service area. Resources for simultaneous communications via a plurality of antennas in the service area are allocated and information of said allocated resources are sent via a plurality of control channels to the communication device. The communication device receives the plurality of control channels and can communicate simultaneously via the plurality of antennas based on the information.

Abstract: The invention relates to a method and apparatuses for allocating radio resources in a cellular communications network including the steps of: dynamically allocating a set of radio resources for a transmission taking place at a transmission time instance and for a further transmission taking place at a further transmission time instance, the further transmission relating to a response to the transmission taking place at the transmission time instance, and broadcasting both sets of allocated radio resources in the cellular communications network.

Abstract: The present invention proposes methods and apparatuses and computer program products for dynamic transmission set indication in scenarios in which a terminal is enabled for single cell transmission SiC as well as for coordinated multipoint transmission CoMP. To this extent, appropriate information is being fed back from the terminal to the base station via feedback signaling channels. The decision on which transmission mode defined by respective transmission set definitions is used can be taken by the terminal or, in a modified scenario, by the base station, based on the information fed back.

Abstract: An apparatus, method and computer program product for supporting dynamic multipoint communication configuration stations comprise include defining at least two different communication transmission sets for cellular-based communication between base station and terminal, wherein the communication transmission sets are related to a downlink reference signal configuration; and assigning a communication transmission set for use in a current transmission related to the cellular-based communication.

Abstract: Methods, systems, and computer programs for managing mobile device applications are described. In some aspects, a mobile device application is prevented from accessing resources of a wireless network. For example, a wireless network operator system can determine that one or more mobile device applications are disapproved for use in the wireless network. In some implementations, the wireless network operator denies the disapproved mobile device applications access to the wireless network resources. In some implementations, mobile devices disable access to the wireless network by the disapproved mobile device applications.

Abstract: An approach is provided for power control. The sum of path gain relating to non-serving sectors is determined. Power spectrum density (PSD) is determined according to a power control scheme. A power level is set based on the power spectrum density (PSD).

Abstract: Methods, systems, and computer programs for managing mobile device applications are described. In some aspects, a mobile device application is prevented from accessing resources of a wireless network. For example, a wireless network operator system can determine that one or more mobile device applications are disapproved for use in the wireless network. In some implementations, the wireless network operator denies the disapproved mobile device applications access to the wireless network resources. In some implementations, mobile devices disable access to the wireless network by the disapproved mobile device applications.

Abstract: There are provided measures for common control deactivation in carrier aggregation, said measures exemplarily including a configuration of a secondary carrier for carrier aggregation with a primary carrier of a terminal, including a deactivation of a common control for the secondary carrier, an indication of the deactivation of the common control for the secondary carrier via the primary carrier, and a signaling of control information, substituting control information of the deactivated common control, for facilitating selection of or operation on the secondary carrier without the deactivated common control via the primary carrier from a base station to the terminal. Said measures may exemplarily be applied for common control deactivation in carrier aggregation in heterogeneous network environments based on LTE, LTE-Advanced, HSPA and/or UMTS radio access systems.

Abstract: A method of determining precoding information for beamforming between a sender and a receiver the method includes determining a first precoding vector of a first signal layer based on partial channel state information of a channel between the sender and the receiver. The method also includes determining a first guess vector based on long-term characteristics of the channel between the sender and the receiver. A grouping of antennas of the sender is defined and a phase shift value for each group of antennas is specified. The method further includes determining a second precoding vector in the sender of a second signal layer by multiplying each element in the first guess vector with the phase shift value specified for the group of antennas associated with said element in the first guess vector.

Abstract: Transmitting an indication of a default configuration for a sub-frame having a downlink transmission portion and an uplink transmission portion; transmitting an indication of a preferred configuration for said sub-frame; and scheduling transmissions to and/or from a communication device according to said preferred sub-frame configuration.

Abstract: A method, apparatus, system, and non-transitory computer readable medium are provided that can provide a signaling mechanism on a physical broadcast channel. The signaling mechanism generates system configuration information, and uses one or more bits within the physical broadcast channel to store system configuration information. The signaling mechanism further signals the system configuration information to devices within a cell of a communication system.

Abstract: Control channels can benefit from a search space arrangement. For example, an evolved or enhanced physical downlink control channel (E-PDCCH) in the long term evolution advanced (LTE-A) physical layer can benefit in its design from a search space arrangement. A method can include indicating a control channel search space by a pair of parameters. The pair of parameters can include a physical resource block index and an explicit control channel element index. The method can also include transmitting on the control channel within the search space.

Abstract: An apparatus, method and computer program product include requesting a physical identifier of a communication base station having a preset hierarchical distance to a communication core network from a first communication base station having a higher hierarchical distance than the preset hierarchical distance, based on a connection on one of an interface between a communication base station having a higher hierarchical distance than the preset hierarchical distance and the communication core network and an interface between two communication base stations both having a higher hierarchical distance than the preset hierarchical distance. Prior to the requesting, an initial synchronization with a neighbor base station can be established. After the requesting, an accurate synchronization with the overly base station based on the obtained physical identifier can be established.