Abstract: Systems and methods for controlling optical powers of optical channels in an optical communications network comprising a plurality of nodes is described herein. The method comprises obtaining a reference optical power. The method also includes determining an optical power of an optical channel generated by an optical transmitter of a node. The method further includes applying an attenuation to the optical channel to reduce the optical power of the optical channel to the reference optical power. In some implementations, the method is performed by a network controller operating in the optical communications network.

Abstract: A method, network node and wireless device are provided in which a method in the network node for switching between different numerologies supported by the network node includes determining at least one parameter that can be used by the network node for switching between a first signal operating with a first numerology and a second signal operating with a second numerology; switching between the first signal and the second signal based on the at least one parameter; and after the switching, operating at least one of the first signal and the second signal between the network node and a second node.

Abstract: According to an aspect, a wireless node selects a set of reference signal antenna ports for use in transmitting data to other wireless nodes in a given transmit time interval, from a plurality of sets of reference signal antenna ports that are available for use and that include reference signal antenna ports having different reference signal densities in the frequency and/or time dimension. The wireless node sends a message to a second wireless node indicating a reference signal assignment and including an indication of the selected set of reference signal antenna ports.

Abstract: An example method for testing a base station that supports multi-carrier transmission using multiple transceiver units comprises transmitting an interfering test signal in one or more transmit bands for the base station apparatus, using the multiple transceiver units and the antenna array, where the interfering test signal has a total EIRP at least approximately equal to the sum of the respective rated maximum EIRPs for each of the predetermined number of simultaneous carriers. This example method further comprises transmitting a desired test signal to the base station apparatus, in a receive band for the base station apparatus, using a test signal generator and a test antenna separate from the base station apparatus, and evaluating a receiver sensitivity for the base station apparatus, based on the desired test signal, while the interfering test signal is being transmitted.

Abstract: A user equipment (110), UE, receives (410), on a frequency carrier (200), a plurality of beams (130a, 130b). Each beam (130a, 130b) comprises a corresponding reference signal (210a, 210b). The UE (110) identifies (420) resources of the frequency carrier (200) carrying the corresponding reference signals (210a, 210b) and transmits (430) a report (310) comprising an indication of the resources on which the corresponding reference signals (210a, 210b) were carried. The access node (120a) receives (510) the report (310) from the UE (110) and identifies (520) a given access node (120a, 120b) based on the indication of the resources on which the corresponding reference signals (210a, 210b) were carried.

Abstract: Methods and apparatus for configuring, in a network node of a wireless communication network, a reference signal resource. An example method comprises obtaining a combination of one or more components to be used for a reference signal resource, the one or more components being contained in one or more physical resource blocks of a slot; and indicating, to the one or more wireless devices, the combination of the one or more components in the one or more physical resource blocks that are to be used for the reference signal resource.

Abstract: There is provided a method of handling interference caused by inter-modulation in a network node site comprising a set of network nodes for wireless communication capable of communication with a set of stations for wireless communication. The stations are wireless transceiver devices and communication from the network node to any of the stations is considered to be downlink communication and communication from any of the stations is considered to be uplink communication. The method comprises detecting likely passive intermodulation, determining at least one station having an uplink resource being a likely to be affected by the detected likely passive intermodulation, and limiting downlink transmission, when the determined at least one station is scheduled or expected to transmit on the uplink resource, on a downlink resource likely to be affecting the uplink resource by the detected likely passive intermodulation. A computer program, a controller and a network node site are also disclosed.

Abstract: The invention relates to mobility management nodes and methods of the mobility management nodes of enabling delivery of a Mobile Terminating, (MT) Short Message (SM) to a mobile terminal. In a first aspect of the invention, a method of a mobility management node is provided for enabling delivery of a Mobile Terminating, (MT) Short Message (SM) to a mobile terminal which currently is in extended idle mode discontinuous reception, eDRX, mode. The method comprises receiving an indication from a Short Message Service Gateway Mobile Switching Centre (SMS-GMSC) that the SM is to be delivered, receiving a notification that the mobile terminal has exited an extended idle Discontinuous Reception (eDRX) mode before a paging occasion has occurred, and submitting, in response to the notification, a message indicating to the SMS-GMSC that the mobile terminal is available for delivery of the SM.

Abstract: A method for operating a radio access system comprises configuring a first carrier and a second carrier for use for radio access in a first radio access system. The second carrier is configured for frequency division duplex signalling. A useful frequency band of the second carrier is defined to, at least partially, overlap in frequency with a useful frequency band of a third carrier of a second radio access system. At least a part of the useful frequency band of the second carrier overlaps in frequency with guard bands of the third carrier. A method for signal scheduling comprises scheduling, in a first radio access system having a first carrier with a first carrier frequency band and a second carrier with a second carrier frequency band, uplink signals in the second carrier. Network nodes for carrying out the methods are also presented.

Abstract: There is provided mechanisms for transmit time adjustment. A method is performed by a second network node. The method comprises obtaining an indication of a need for transmit time adjustment with a first network node during ongoing communication with the first network node. The method comprises providing a first notification to at least one third network node to adjust its receive timing for receiving a signal from the second network node as part of ongoing communication with the second network node. The method comprises adjusting transmit timing for transmitting a first signal to the first network node as part of the ongoing communication with the first network node and for transmitting at least one second signal to the at last one third network node as part of the ongoing communication with the at least one third network node.

Abstract: A method and system for providing a NS instance satisfying a requested availability of a NSI comprises obtaining at least one VNFD for a VNF composing the NS, the VNFD being associated with at least one absolute availability value guaranteed according to at least one DF; obtaining an availability value of NFVI on which the VNF is to be deployed; determining a minimum availability value for a NS instance of the NS; selecting a VNF DF and RM for the VNF DF such that the product of the absolute availability value of the VNF DF, taking into account the selected RM, and of the availability value of the NFVI is greater than or equal to the minimum availability value for the NS instance; and instantiating the NS instance by instantiating at least one VNF instance according to the at least one selected VNF DF and corresponding RM.

Abstract: A method of a communication device configured with two or more multi-user coordination modes for communication with a plurality of users is disclosed. The method comprises determining an available spatial selectivity for the plurality of users, and selecting one of the two or more multi-user coordination modes based on the determined available spatial selectivity and a number of users of the plurality. Corresponding apparatus, communication receiver and computer program product are also disclosed.

Abstract: A method for managing notification requests in a communication network is disclosed. The method comprises receiving notification requests from a system of the communication network (110) and, for received notification requests, obtaining an intended outcome of the requested notification (120) and assigning a priority to the received notification request (130). The method further comprises selecting for processing at least one received notification request, wherein the at least one notification request is selected on the basis of a priority assigned to the notification request (160). Assigning a priority to the received notification request comprises estimating a probability that the intended outcome of the requested notification will be achieved, and setting the priority of the received notification request according to the estimated probability (140).

Abstract: The embodiments herein relate to timing advance offset for uplink/downlink switching in New Radio (NR). In one embodiment, there proposes a method in a wireless communication device, comprising: determining a timing advance (TA) offset for uplink/downlink switching, wherein the TA offset is at least based on the time offset requirement for uplink/downlink switching in different scenarios used in communication between the wireless communication device and a network node; applying the determined TA offset in the uplink communication from the wireless communication device to the network node. With embodiments herein, uplink/downlink switching time for NR is defined.

Abstract: A method is arranged to be performed by a network node of a cellular communication system when operating according to a scheme where system information for enabling a wireless device to access a cell operated by the network node is broadcasted on an anchor channel. The method includes acquiring a first set of control information and a second set of control information to be provided to the wireless device, encoding the first set of control information to an information block, adapting the information block based on the second set of control information by selecting at least one of a plurality of partitions of the information block and broadcasting the adapted information block on the anchor channel. The selection provides information about the second set of control information. A method arranged to be performed by a wireless device of a cellular communication system is also provided.

Abstract: A communication device receives a repetition index, a set indicator, and a downlink transmission. The downlink transmission spans a plurality of subframes. The communication device uses the repetition index as an index into one of a plurality of sets of subframe values specified by the set indicator to determine the number of subframes spanned by the downlink transmission, and decodes the downlink transmission according to the determined number of subframes.

Abstract: There is disclosed a network node for a Radio Access Network, the network node (100) being adapted for communication utilising a carrier aggregation comprising at least a first carrier and a second carrier. The network node is adapted for transmitting first downlink control information on the first carrier of the carrier aggregation, and second downlink control information on the second carrier of the carrier aggregation, wherein the first downlink control information and the second downlink control information pertain to transmission on the same uplink carrier. The disclosure also pertains to related devices and methods.

Abstract: Embodiments of the present disclosure relate to frequency or RAT selection based on slice availability. In one aspect, a core network function is provided for determining information for RAT and/or frequency selection based on knowledge of network slices and providing that information to a RAN node, which may provide that information to a UE. The information may be a RFSP index or other index parameter, which may be set based on subscription related information or other information. Slice knowledge may include knowledge of availability of network slices at the network, active slices for the UE, slices to which the UE is registered or connected, and/or slices to which the UE is allowed access. In another aspect, a RAN node performs mapping to mobility policies for UE active or idle mobility based on the determined information along with slice or subscription information provided by a CN node.

Abstract: Method performed by a first network node (111) for handling content in an Information-Centric Network (ICN). The first network node (111) operates in a wireless communications network (100). The first network node (111) obtains (502) an indication about one or more network nodes (130) where a request for a content by a wireless device (151) operating in the wireless communications network (100) is predicted to be received in one or more future time periods. The one or more network nodes (130) operate in the wireless communications network (100) supporting ICN. The first network node (111) then initiates instructing (503) at least a subset of the one or more network nodes (130) to obtain the content prior to the one or more future time periods. Also described are a second network node (112), a third network node (133), and the wireless device (151), for facilitating handling the content in the ICN.

Abstract: A method and a first network node (200) of a wireless network, for handling paging of a wireless device. A Radio Access Network Area, RANA, which is supported by the first network node (200), is registered (2:1) in a database (202) by network nodes IN supporting the RANA, including the first network node (200). The network nodes (204) that support the RANA are then identified (2:3) in the database (202). When it is detected (2:2) that a wireless device (D1) needs to be paged in the RANA, e.g. for receiving data, a paging message is distributed (2:4) to the identified set of network nodes (204) as an instruction to perform radio transmission of the paging message. Further, which is available to the network nodes throughout the wireless network. Thereby, any network node in the wireless network, such as the first network node (200), is able to perform distribution of a paging message to all network nodes that support a particular RANA, as registered in the database (202).