Abstract: A method, apparatus and computer program product are provided to select a plurality of antenna elements of an antenna array, such as to match the angular spread of the antenna array to a deployment scenario, thereby increasing the effective beamforming gain. In the context of a method, a plurality of antenna elements of an active antenna array are selected by separately selecting first, second and third pluralities of antenna elements and obtaining measures of first, second and third signals based upon transmission or reception of signals by the first, second and third pluralities of antenna elements, respectively The method additionally includes processing the measures of the first, second and third signals and determining a sub-army of antenna elements of the active antenna array to be utilized based on the processing of the measures of the first, second and third signals.

Abstract: In certain embodiments, a communication network has a specialized ingress node that converts one or more incoming flows into a single, packetized, time-division multiplexed (TDM) flow; a switch fabric that routes the TDM flow via a fixed path through the switch fabric in a contention-free manner; and a specialized egress node that converts the TDM flow received from the switch fabric into one or more outgoing flows corresponding to the one or more incoming flows. The technology turns legacy, best-effort packet-switching into deterministic circuit-switching for a programmable selection of flows with minimal impact on network dynamics and at relatively low cost.

Abstract: An apparatus comprising: at least one processor; and at least one memory including 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: operate the apparatus in a dual connectivity mode, wherein the apparatus is in communication with a master cell group comprising a primary cell and at least one secondary cell and the apparatus is in communication with a secondary cell group comprising a primary cell and at least one secondary cell; detect a radio link failure between the apparatus and the primary cell of the secondary cell group; provide information based on the radio link failure to the primary cell of the master cell group, the information being that the radio link failure occurred on the secondary cell group while waiting for a prepared conditional cell change from the primary cell of the secondary cell group to be fulfilled.

Abstract: An apparatus is disclosed, which may include: at least one processor; and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to perform: receiving downlink channel estimates between a plurality of access point (AP) antennas of one or more APs and a plurality of user equipment (UE) antennas of one or more UEs; iteratively updating a set of power allocation weights for the AP antennas using weights extracted from a precoder; computing the precoder based on the received channel estimates and a previous set of power allocation weights; performing the iterative updates until a stopping criterion is reached; and outputting data representative of a precoder computed from the received channel estimates and the updated set of power allocation weights.

Abstract: A WSS device in which a VIPA is used as a spectral disperser. In an example embodiment, the VIPA is configured to produce two or more diffraction orders on the LCOS micro-display of the WSS device. The LCOS micro-display is configurable to independently process light corresponding to different diffraction orders. For example, the LCOS micro-display may be used to implement: (i) optical-signal switching by applying different relative phase shifts to light of different diffraction orders to cause constructive interference at a selected one of the optical ports of the WSS device; (ii) optical-signal splitting by steering light of different diffraction orders to at least two different selected optical ports of the WSS device; and (iii) controllable optical-signal attenuation by applying different relative phase shifts to different diffraction orders to control the relative degree of constructive and destructive interference at a selected one of the optical ports of the WSS device.

Abstract: A cache management subsystem (CMS) for a network having network gateways logically organized into network gateway (NG) subsets, each NG subset comprising redundant network gateways and each network gateway comprising a local cache configured to store cache entries corresponding to information requests from network users. The subsystem includes (i) a cache manager configured to synchronize certain cache entries between the network gateways of an NG subset and (ii) a CMS cache configured to store, for the NG subset, other cache entries that are not synchronized between the network gateways of the NG subset. In certain implementations, the cache manager synchronizes within NG subsets recent cache entries having relatively frequent hits and the CMS cache stores recent cache entries having relatively infrequent hits, thereby increasing efficiencies if and when a redundant network gateway handles requests for a failed network gateway.

Abstract: Methods and apparatus, including computer program products, are provided for a 3GPP bridge for time sensitive networks. In some example embodiment, there may be provided an apparatus causes to at least: receive at least one management object, the at least one management object comprising routing information between an ingress port at a 3GPP bridge and an egress port at the 3 GPP bridge; determine, for the ingress port and the egress port combination, at least one quality of service constraint to provide a delay guarantee towards a destination media access control address, the determination based on the received at least one management object and one or more bridge delays indicating a delay between the ingress port and the egress port; and cause a change, based on the determined at least one quality of service constraint, to a protocol data unit session carrying a time sensitive network flow.

Abstract: An optical resonant modulator based on coupling modulation, comprising a resonant structure with an embedded Mach-Zehnder interferometer that is differentially driven to induced amplitude modulation at the output port. The principle of coupling modulation enables high data/baud rates to be achieved in a photonic integrated circuit, e.g. silicon, footprint that is considerably smaller than that of a conventional traveling-wave Mach-Zehnder modulator, in particular by utilizing space saving features, such as ring resonator phase shifters and bend waveguide arms.

Abstract: Inter-alia, a method is disclosed comprising: receiving data transmissions indicative of data to be transmitted via the wireless communication network; obtaining physical channel information indicative of one or more parameters representing channel information and/or quality information associated with at least one physical channel that can be used for transmitting the data transmissions to one or more mobile devices of the wireless communication network; scheduling the data transmissions based at least partially on the physical channel information, wherein a tentative scheduling grant is determined for at least a part of the data transmissions to be encoded tentatively; encoding at least a part of the data transmissions, wherein the encoding is performed and/or controlled in a tentative fashion upon reception of the data transmissions, wherein the data transmissions are encoded based on the tentative scheduling grant; and outputting the encoded data transmissions upon completion of the encoding.

Abstract: A method comprises selecting a beam to be scheduled for a slot that is upcoming, and selecting a terminal device to be scheduled in the selected beam. Selection of the terminal device is based on the terminal device considering the selected beam as its best beam. Physical resource blocks are allocated to the terminal device, and a beam configuration to be used for the selected beam is chosen based in part on user traffic and load distribution. A switching event is triggered. The switching event comprises producing the chosen beam configuration by providing a beamforming command and using a control line controlling a switch network comprised in phase shifters to steer the beam. The phase shifters are comprised in a radio frequency front-end unit comprising a plurality of antenna columns. The phase shifters are placed in front of selected antenna sub-arrays comprised in the plurality of antenna columns.

Abstract: There is provided generating, at a cell configured for a first air interface protocol, a reference signal based on a cell identifier for a second air interface protocol. At the cell configured for the first air interface protocol it is determined an air interface resource allocation for the first air interface protocol based on the cell identifier for the second air interface protocol. The cell configured for the first air interface protocol transmits the generated reference signal according to the determined air interface resource allocation.

Abstract: Embodiments of the present disclosure relate to a method, an apparatus and a computer readable storage medium for generating soft-decision information for a receiver. In example embodiments, a method is provided. The method includes receiving, at a first device, a signal from a second device, the signal corresponding to a group of symbols transmitted from the second device; determining, by performing Lattice Reduction linear detection on the signal, a first group of estimated symbols for the group of symbols; determining, by performing iterative interference cancellation on the first group of estimated symbols, a second group of estimated symbols for the group of symbols; and generating, based on the second group of estimated symbols, soft-decision information about the group of symbols for use by a decoder at the first device. Embodiments of the present disclosure can improve the receiver performance with reduced complexity.

Abstract: In one embodiment, the apparatus includes at least one memory configured to store instructions; and at least one processor configured to execute the instructions and cause the apparatus to perform, receiving, by a receiver in an Optical Line Terminal, OLT, a burst of an upstream signal transmitted in burst mode, adjusting settings for an analog signal conditioning of the received upstream signal; performing the analog signal conditioning of the received upstream signal based on the adjusted settings such that a first compensated signal is provided, obtaining coefficient(s) for a digital signal conditioning of the first compensated signal; performing the digital signal conditioning of the first compensated signal based on the obtained coefficient(s) such that a second compensated signal is provided.

Abstract: Various example embodiments for supporting data center management are presented herein. Various example embodiments for supporting data center management may be configured to support fabric service management for a data center fabric including a set of servers and a fabric network configured to support communications of the servers. Various example embodiments for supporting fabric service management within a data center may be configured to support a capability for configuring a fabric network of the data center fabric of the data center based on merging and unmerging of underlay and overlay configurations. Various example embodiments for supporting fabric service management within a data center may be configured to support a capability for debugging a fabric network of the data center fabric of the data center based on use of probes.

Abstract: An apparatus including at least one processor configured to execute instructions and cause the apparatus to perform, obtaining for a first possible state (s) of a received sample at the current time step (k), log-likelihood ratio, Ilr, values Ilrold,min, Ilrold,max of a first transmitted bit (bj), wherein, the Ilr values Ilrold,min, Ilrold,max are respectively associated with a most likely state and a less likely state related to a received sample at the previous time step (k?1); determining based on path metrics and branch metrics corresponding to the received sample at the current time step (k); a first parameter (Q) related to a difference between likelihoods of the most likely state and the less likely state; updating magnitude of the Ilr value Ilrold,min at least based on the Ilr value Ilrold,min, the Ilr value Ilrold,max, and the first parameter, to obtain an updated Ilr value Ilrold,updated.

Abstract: An apparatus is disclosed, comprising means for determining a noise floor for a radio frequency (RF) system. The apparatus may also comprise means for determining a Passive InterModulation (PIM) value of a component of the RF system contributing as a source of PIM; determining that a passive intermodulation (PIM) cancellation system should be enabled if the PIM value is above a predetermined threshold from the noise floor. The apparatus may also comprise means for determining that the PIM cancellation system should be disabled if the PIM value is at or below the predetermined threshold.

Abstract: The present subject matter relates to a method including receiving a set of signals from transmitters of a communication system, the communication system having a system configuration. A first and second set of machine learned parameters may be provided in accordance with the system configuration. The received signals may be weighted using the first set of machine learned parameters. The weighted signals may be combined to generate a composite signal. The composite signal may be weighted with the second set of machine learned parameters in order to estimate an interference signal that is caused by the set of signals at a receiver of the communication system.

Abstract: An apparatus comprising: at least one processor; and at least one memory including 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: identify (702, 704, 706, 708, 710) a stream gate instance associated with a quality of service flow; and determine (712) time sensitive communication assistance information for the quality of service flow based on one or more parameters defining operation of the stream gate instance.

Abstract: A screw assembly, including: a removable shoulder screw including: a first screw shaft portion; a second screw shaft portion; a first threaded portion; and a first shaft edge between the first screw shaft portion and the second screw shaft portion, wherein the second screw shaft portion is between the first screw shaft portion and the first threaded portion, and wherein a diameter of the second screw shaft portion is smaller than the diameter of the first screw shaft portion; and a first removable shoulder including a first removable shoulder opening and a first removable shoulder edge, wherein the first removable shoulder opening has a diameter less than the diameter of the first screw shaft portion and is configured to engage the second screw shaft portion, and wherein the first removable shoulder edge is configured to engage the first shaft edge.

Abstract: Various communication systems may benefit from appropriate restriction on use. For example, certain wireless communication systems may benefit from radio-access-technology-specific access restrictions. A method can include registering a user equipment with a network element. The registering can include identifying user equipment capabilities. The method can also include receiving a response from the network element indicating restriction on use of at least one radio access technology.