Abstract: An antenna arrangement comprises a body which in turn comprises a plurality of antenna devices, the antenna arrangement being characterized in that the body has a flexible structure and an elongated shape.

Abstract: A method (200) of transmitting a block of data in a distributed MIMO system is disclosed. The distributed MIMO system comprises a plurality of access points (A1, . . . , AK), wherein access points (Aj) are grouped into a first set of M groups and a second set of M groups, different from the first set, wherein M is an integer. A first antenna port mapping assigns each group of the first set to a unique one of M antenna ports. A second antenna port mapping assigns each group of the second set to a unique one of M antenna ports. The method comprises transmitting (220) the block of data using both the first and the second antenna port mapping.

Abstract: A method performed by a radio network node for reducing energy consumption in communications with wireless devices is provided. The radio network node includes a dual-polarized antenna array, which dual-polarized antenna array has a first sub-set antenna array and a second sub-set antenna array for communication with the wireless devices. The radio network node decides whether to (a) deactivate or (b) not deactivate the second sub-set antenna array, to reduce the energy consumption, based on ongoing communications in the radio network node with wireless devices. The first sub-set antenna array and the second sub-set antenna array have a total antenna pattern that has a deviation that is below a threshold value.

Abstract: Methods, apparatuses and computer program products for information transmitting and receiving in a wireless communication system. A method in a network device that serves a first cell with a first RAT comprises receiving, from a network controlling device, configuration information for a second cell operating with a second RAT different from the first RAT. The method further comprises broadcasting the configuration information to a terminal device, and the configuration information is encoded according to the second RAT.

Abstract: The invention refers to a method for controlling sleep operation of a radio network node (12) that supports multiple sleep modes, the method comprising determining (110) which one or more of the supported sleep modes, if any, would prevent the radio network node (12) from being able to meet requirements on a quality of service, such as a maximum allowable data latency, to be provided by the radio network node (12); and preventing (120) the radio network node (12) from operating in any of the determined sleep modes; the invention further refers to a corresponding network node and a computer program.

Abstract: A disturbance mitigation method of a communication element for a distributed antenna system is disclosed. The communication element is associated with two or more antenna elements of the distributed antenna system. The method comprises acquiring channel condition information associated with at least two of a plurality of wireless communication devices served by the communication element, and partitioning the plurality of wireless communication devices into at least two groups based on the acquired channel condition information. The method also comprises, for each of the groups, determining respective pre-coding weights based on the acquired channel condition information, wherein the respective pre-coding weights of different groups are determined according to different disturbance mitigation approaches.

Abstract: There is provided provision of timing information of a first timing information source using timing information of a second timing information source to a wireless device. A network node determines that second timing information from the second timing information source is available and that timing information from the first timing information source is derivable from the second timing information. The network node instructs the wireless device to use the second timing information as a source for deriving first timing information of the first timing information source.

Abstract: The disclosure provides methods and apparatus which relate to control channel decoding in a wireless communications network. In one aspect, there is provided a method in a wireless device for a wireless communications network. The method includes receiving a first set of coded control symbols on a physical control channel in a first time slot, receiving a second set of coded control symbols on the physical control channel in a second time slot subsequent to the first time slot, and attempting to decode a control message based on the first set of coded control symbols and the second set of coded control symbols using one or more soft-combining techniques.

Abstract: A network node determines a first transmission parameter for transmission of downlink control channel scheduling the downlink control information provided to a wireless device in a first signal, and selects either the first transmission parameter or one or more different second transmission parameters for transmission of the downlink control channel scheduling for the downlink control information provided to the wireless device in one or more second signals. To allow flexibility and efficient use of resources, the first signal sent by the base station indicates the one or more second transmission parameters as well as the selected transmission parameter(s) for the second signals. In one exemplary embodiment, the first and second transmission parameters comprise first and second control resource set (CORESET) configurations. In another exemplary embodiment, the first and second transmission parameters comprise first and second search spaces.

Abstract: A radio node (12) is configured for use in a wireless communication system (10) in which system information is transmitted in parts. The radio node (12) in this regard generates explicit signaling that is associated with a first part (16) of system information and that indicates a sequence (24) with which a second part (20) of system information is to be demodulated or descrambled. The radio node (12) transmits the explicit signaling over a signaling channel (25). Correspondingly, a wireless communication device (14) receives system information for the system (10) in parts. The device (14) receives the first part (16) over the first channel (18). The device (14) also receives the explicit signaling over the signaling channel (25). The device (14) further receives the second part (20) over the second channel (22), by demodulating or descrambling the second part (20) using the sequence (24) indicated by the explicit signaling.

Abstract: An antenna system (150) with distributed power supply is disclosed. The antenna system (150) comprises a CPU (151) comprising a central power supply (152), multiple antenna units (161, 162, . . . 171, 172 . . . ) connected to the CPU by cables and at least one distributed power supply unit (180) located at someplace along a chain of antenna units. At least one antenna unit (161) receives power from the central power supply (152). In the antenna system (150), at least one antenna unit (171) receives power from another antenna unit (172), at least one antenna unit (173) receives power from the at least one distributed power supply unit (180) such that at least two power supply domains (191, 192) are set up. In each power supply domain, a number of antenna units are connected to the same power supply.

Abstract: Methods and arrangements for managing a problem with a first radio link (121) between a wireless device (115) and a serving network node (110) comprised in a wireless communication network (100). The wireless communication network (100), e.g. a serving network node (110) therein sends (201a; 301, 401a; 501; 601) first information to the wireless device (115). The first information comprises a first identifier and informs the wireless device (115) that the first identifier, if received from a candidate network node (110; 111a; 111b), means that the serving network node (110) has authorized setting up a working radio link (121; 122a; 122b), without said problem, between the wireless device (115) and said candidate node (110; 111a; 111b).

Abstract: Embodiments herein relate to a method performed by a network node for enabling verification of a broadcast message transmitted from the network node to a wireless device. The network node signals a first public key, to the wireless device, using a secure connection. The network node further transmits a first broadcast message protected by a signature. The signature is generated from at least a protected part of the first broadcast message using a first private key, the first private key being associated with the first public key. Thereby, the broadcast message can be verified by the wireless device using the distributed first public key, thus preventing fake broadcast messages to be accepted by the device.

Abstract: Methods and devices, particularly radio base station and communication terminal, for controlling a feedback process in a communication between nodes of a communication system, comprising selectively employing one or both of a first feedback process which provides fast feedback and a second feedback process which provides reliable feedback, wherein the first and second feedback processes operate at least partly on the same transmission buffers or queues.

Abstract: An arrangement for controlling energy consumption of a network node associated with a cell includes a terminal activity monitor configured to detect active terminals served by the cell. A transmission controller is connected to the terminal activity monitor and is configured to restrict transmission downlink in the cell during time periods when there are no active terminals served by the cell. During these time periods transmission is restricted to intermittent transmission of information assisting active terminals not served by the cell in finding the cell.

Abstract: A set of different pilot structures are designed for use in different environments and/or different user behaviours that are expected to occur in a cell. The radio conditions for a user are estimated. Each user is then assigned an area (108A-E) in resource space for its communication, which has a suitable pilot configuration. In one embodiment, the entire resource space is provided with different pilot structures in different parts (110A-D). In advance and allocation of resources to the users are then performed in order to match estimated radio conditions to the provided pilot structure. In another embodiment, allocation is performed first, and then the actual pilot structure is adapted within the allocated resource space area to suit the environmental conditions.

Abstract: There is provided provision of timing information of a first timing information source using timing information of a second timing information source to a wireless device. A network node determines that second timing information from the second timing information source is available and that timing information from the first timing information source is derivable from the second timing information. The network node instructs the wireless device to use the second timing information as a source for deriving first timing information of the first timing information source.

Abstract: An antenna system (150) comprises a Centralized Processing Unit (160); at least two antenna units (200) connected to the CPU (160) by cables. Each antenna unit (200) comprises at least one connector; one or more antenna elements (220) and one or more 5Antenna Processing Units (230) connected to the one or more antenna elements (200). The one or more antenna processing units (230) are connected to a data bus connected to the at least one connector.

Abstract: The present disclosure provides a control channel monitoring method at a UE, comprising: monitoring only a first type of control channel in a first state of the UE; if first control information which indicates data required by the UE in the first state on a data channel is detected on the first type of control channel, decoding the first control information in order to obtain the data required by the UE in the first state on the data channel; and monitoring only a second type of control channel when the UE is in a second state which is transited from the first state. The present disclosure also provides a corresponding UE, a control channel configuration and transmission method at a network node, and a corresponding network node.

Abstract: A control system is configured to control a transmission system (12). The control system may be configured to, responsive to the occurrence of a condition for the transmission system (12) to exit a sleep state (12S), trigger the transmission system (12) to transition from the sleep state (12S) to an active state (12A). The control system may be further configured to control the transmission system (12) to transmit during at least a fraction of a transition period (12P) over which the transmission system (12) transitions from the sleep state (12S) to the active state (12A). Such control may for instance control the transmission system (12) to transmit, during the at least a fraction of the transition period (12P), in compliance with relaxed component performance requirements that are relaxed with respect to the component performance requirements with which the transmission system (12) is configured to transmit during the active state (12A).