Abstract: An apparatus includes a device having n input ports and n output ports. The n input ports are configured to receive n corresponding physical objects of a physically processed, quantum redundancy coded state. The n output ports are configured to output the n physical objects in the physically processed, quantum redundancy coded state. The device is configured to measure bits of a syndrome of the physically processed, quantum redundancy coded state by passing the n physical objects through the device. The device is configured to measure a parity check bit for the measured bits of the syndrome by the passing the n physical objects through the device.

Abstract: A wireless telecommunications method, network nodes and a computer program product are disclosed. The wireless telecommunications method comprises: mapping at least some user plane traffic only from a first transmission path supporting communications between user equipment and a first base station to a second transmission path supporting simultaneous communications between the user equipment and a second base station; providing data protection configuration information used to encode the at least some user plane traffic transmitted over the second transmission path between the user equipment and the second base station; and transmitting the at least some user plane traffic encoded using the data protection configuration information over the second transmission path. In this way, at least some of the user plane traffic may be offloaded from a first transmission path to a second transmission path. That user plane traffic may be transmitted simultaneously with other user plane traffic.

Abstract: An apparatus includes a multi-mode optical fiber having a selected plurality of optical propagating modes. The selected plurality may include only a proper subset of or may include all of the optical propagating modes of the multi-mode optical fiber. Each optical propagating mode of the selected plurality has a group velocity that varies over a corresponding range for light in, at least, one of the optical telecommunications C-band, the optical telecommunications L-band, and the optical telecommunications S-band. The ranges corresponding to different ones of the modes of the selected plurality are non-overlapping. The ranges of a group velocity-adjacent pair of the ranges are separated by a nonzero gap of less than about 10,000 meters per second.

Abstract: Embodiments of the present disclosure relate to communication methods and devices for virtual base stations.

Abstract: A method is provided for assisting data transmission on a first carrier by indicating a termination point of data transmission in a transmitting device and apparatus thereof, wherein the method comprises the steps of: A. transmitting data on the carrier to a receiving device in a first subframe; and B. transmitting downlink control information to the receiving device; wherein the downlink control information includes a termination point indication for indicating a termination point of the data in the first subframe. The method and apparatus could improve the utilization of subframe and transmission capacity, and enable LTE to satisfy the regulations for unlicensed operation with high spectral efficiency.

Abstract: The controlling of the network traffic is implemented in a communication network by obtaining first configuration parameters for physical random access channel (PRACH) preambles, the first configuration parameters including a first preamble format, a zero correlation zone configuration index, and a list of physical root Zadoff-Chu sequence indexes. A set of cyclic shifts corresponding to a first frequency offset is generated based on the first preamble format, the zero correlation zone configuration index, and the list of physical root Zadoff-Chu sequence indexes. Second configuration parameters are exported in order to control network traffic, the second configuration parameters including the set of cyclic shifts.

Abstract: Embodiments of the present disclosure provide a communication method and device for uplink power control. The method comprises receiving a plurality of sets of power control parameters from a network device, each of the plurality of sets being associated with a corresponding one of a plurality of sets of candidate beam patterns for the terminal device. The method further comprises selecting, based on a beam pattern for the terminal device, one of the plurality of sets of power control parameters for uplink transmit power control, the beam pattern for the terminal device being included in the set of candidate beam pattern that is associated with the selected set of power control parameters.

Abstract: The invention relates to a terminal (10) for a cellular communications network (1000). The terminal is configured to maintain a first set (S1) of at least n radio cells, wherein n is equal to or greater than three, wherein a quality measure (q) value of each of the n radio cells, which depends on a received signal power associated with reference signals transmitted in said cells and received by said terminal (10), exceeds a threshold. The terminal further determines whether a quality measure value of a further radio cell, which is not comprised in the first set, exceeds the quality measure value of the radio cell comprised in the first set with the m-th best quality measure value, m ranging from 1 to n?1, by a predetermined amount. If the quality measure value of the further radio cell (c12) exceeds the quality measure value of the m-th best radio cell, modification of the first set is arranged, whereby a second set (S2) is obtained. The second set comprises the further radio cell.

Abstract: The present invention relates to a method, system and related devices for navigating between navigation points of a 3-Dimensional space where said 3-dimensional space comprises a plurality of navigation points. The method according to the present invention comprises the steps of detecting a current viewpoint rotation angle, further determining a degree of agreement of said current viewpoint rotation angle with a navigation point of said plurality of navigation points and subsequently activating a timing mechanism of the viewpoint activation, said timing mechanism comprising a delay for activating said timing mechanism of the viewpoint activation and a duration of an activation period of said timing mechanism at determining a certain degree of agreement of said current viewpoint rotation angle with a navigation point of said plurality of navigation points.

Abstract: There is provided a communications system comprising an access network node and a plurality of resource limited nodes. The access network node comprises: a control unit operable to estimate a belief on a network condition for a resource limited node of the plurality of resource limited nodes based on network observations and a history profile of the network observations; dynamically update the belief for the resource limited node in the access network node; determine that the severity of the updated belief in the network condition is indicative that a change in sleep duty cycle of the resource limited node is required; determine that correlation between the resource limited nodes within the plurality of resource limited nodes is indicative that a change in sleep duty cycle of the resource limited node is required; and update the sleep duty cycle of the resource limited node to optimize the overall energy consumed in the resource limited nodes while achieving a specific detection threshold.

Abstract: Embodiments of the present invention provide a method and apparatus for performing MBMS service communications and a method and apparatus for receiving an MBMS service. Specifically, there is provided a method for performing MBMS service communications, comprising acquiring location area information of an MBMS service distribution; and notifying a UE of the location area information of the MBMS service distribution. Further, there is provided a method for receiving an MBMS service, comprising receiving location area information of an MBMS service distribution; comparing location information of a UE with the location area information of the MBMS service distribution; and determining whether to read an MCCH and MCCH information change notification based on a comparison result.

Abstract: The invention includes a method and apparatus for delivering content to one or more content destination nodes. A method includes receiving content utility prediction information for a content item, selecting a content distribution mode for the content item using the content utility prediction information, and propagating the content item toward at least one of the content destination nodes using the selected content distribution mode and, optionally, with a defined priority, sequence, or schedule. The content utility prediction information is associated with the content destination nodes, and is indicative of a level of utility of the content item to the content destination nodes. The content distribution mode may include any content distribution mode, such as broadcast, switched broadcast, multicast, unicast, and the like. The content utility prediction information is received from one or more content prediction nodes.

Abstract: Embodiments of the present disclosure relate to method and device for providing a security service. For example, a method comprises: in response to receiving, at a first controller, a first request to create a first service chain for an application in a network, obtaining configuration information associated with the security service from the first request; generating, based on the configuration information, a second request to create a sequence of security functions associated with the first service chain; sending the second request to a second controller so as to create the sequence of security functions in the network; and in response to receiving from the second controller an acknowledgement for the sequence of security functions, creating the first service chain based on the sequence of security functions. Embodiments of the present disclosure further provide a device capable of implementing the above method.

Abstract: A capability for localization of a wireless tag based on wireless gateway association information uses a wireless tag supporting multiple states and wireless gateway association information associated with the wireless tag to control localization of the wireless tag. The wireless tag may support an unconnected state in which the wireless tag communicates location tracking information using a wireless beacon signal which may be detected by various wireless gateways and a connected state in which the wireless tag communicates location tracking information via one or more connections with one or more wireless gateways. The wireless gateway association information may include wireless gateway lists (e.g., whitelists, blacklists, or the like), association rules, notification rules, or the like. The wireless gateway association information may be used to control transitions of the wireless tag between the unconnected state and the connected state, to control notifications for the wireless tag, or the like.

Abstract: The present invention discloses a method and an apparatus for a virtual base station migration in a BBU pool which has multiple baseband units. The migration method comprises the following steps performed by a first virtual base station: measuring an available bandwidth between the first virtual base station and a second virtual base station, wherein the first virtual base station and the second virtual base station belong to different baseband units in the BBU pool; estimating a service interruption time of the first virtual base station; selecting a migration mechanism of the first virtual base station according to the estimated service interruption time. The migration mechanism comprises configuring a common measurement gap for user devices of the first virtual base station, or configuring random access time slots for user devices of the first virtual base station, or configuring a discontinuous receiving cycle for user devices of the first virtual base station.

Abstract: A connection controlling device obtains access-related information of the virtual access points based on one or more wireless connection requests from WiFi mobile devices, forwarded by an access point device, for virtual access points of the access point device, and determines scheduling information corresponding to the wireless connection request based on the access-related information; the virtual access points in the access point device perform corresponding scheduling based on the scheduling information.

Abstract: The optoelectronic device includes a matrix of optoelectronic components including semiconductor optical amplifiers SOAs, the semiconductor optical amplifiers SOAs containing an active layer of gallium nitride GaN having multiple InGaN/GaAsN or InGaN/AlGaN quantum wells on a substrate of p-doped gallium nitride and covered with a layer of n-doped gallium nitride. The p-doped gallium nitride GaN substrate forms a column of p-GaN covered with a layer of an insulator in biocompatible material. The device can include a matrix having multiple electronic components of different heights. The optoelectronic component can be a photodiode or a semiconductor optical amplifier SOA. This optoelectronic device can be used in epiretinal or subretinal prostheses. A single epiretinal or subretinal prosthesis can include a matrix of photodiodes and a matrix of semiconductor optical amplifiers SOAs.

Abstract: Embodiments of the present disclosure relate to a method and a device of configuring downlink control information. Specifically, the corresponding demodulation reference signal configuration information is set for three kinds of demodulation reference signal enhancement situations respectively and is indicated by the downlink control information according to the embodiments of the present disclosure. According to one embodiment of the present disclosure, a base station sends the downlink control information to user equipment, the downlink control information including a demodulation reference signal configuration index that indicates the demodulation reference signal configuration information, and the demodulation reference signal configuration information including one item in the demodulation reference signal configuration information set.

Abstract: A node is configured for connection to a massive multiple-input, multiple-output (MIMO) array to provide spatially multiplexed channels in an unlicensed frequency band. The node includes a memory configured to store samples of non-spatially filtered signals received by the node during a first listen-before-talk (LBT) operation used to acquire the unlicensed frequency band. The node also includes a processor configured to determine, based on a number of previously stored samples, a duration of a silent time interval during which the node collects samples of non-spatially filtered signals and stores the samples in the memory. The node further includes a transceiver configured to perform a second LBT operation to acquire the unlicensed frequency band using a spatial filter determined based on the samples stored in the memory.

Abstract: The present disclosure discloses infrastructure resource states which may be configured for use in managing both infrastructure resources (IRs) and virtualized infrastructure resources (VIRs). The new resources states may include a Network Unequipped (NU) state, a Network Equipped (NE) state, a Network Ready (NR) state, a Service Ready (SR) state, an Out-of-Service (OOS) state, and an In-Service (IS) state. The infrastructure resource states may be configured to enable resource transfers in a programmable virtual infrastructure having one or more tenants (e.g., Owners, BUs, Partners, Customers, or the like) at one or more hierarchical layers.