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: 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: 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: 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: 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 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: 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: A landing station whose monitoring equipment employs a depolarized light source for generating the supervisory optical signals that are used to monitor certain performance characteristics of the corresponding submerged fiber-optic cable plant. In some embodiments, the depolarized light source operates to provide amplified spontaneous emission (ASE) within the bandwidths of the supervisory wavelength channels, with the supervisory optical signals being generated by modulating the provided ASE. In some other embodiments, the depolarized light source operates to generate a supervisory optical signal by modulating two carrier waves having (i) mutually orthogonal polarizations and (ii) different respective carrier wavelengths both of which are within the bandwidth of the corresponding supervisory wavelength channel.

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: 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.

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: 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: Methods, systems and devices for improving discontinuous reception (DRX) in wireless telecommunication networks are disclosed. According to an embodiment, a retransmission buffer status report (BSR) timer is implemented in a user equipment (UE) as an attribute that is configurable for each logical channel of the UE. According to another embodiment, a data flush token is implemented as a logical channel attribute in a UE in order to expedite emptying of the UE's uplink buffer. According to another embodiment, improvements are provided to the manner in which a UE determines to cancel regular BSRs. According to other embodiments, features are implemented at a base station such as an E-UTRAN Node B (eNB) to improve downlink and uplink transmission scheduling between the base station and a UE. According to further embodiments, improved methods of detecting and handling late and delayed BSRs are implemented at a base station.

Abstract: At least one embodiment relates to generating at least one RF signal based on at least one digital baseband signal at a first clock rate. At least one digital pulse sequence at a second clock rate corresponding to a center frequency of the RF signal is modulated based on the digital baseband signal. Pulses of the pulse sequence are quantized based on a time grid of a third clock rate. A ratio between a number of second clock cycles corresponding to one first clock cycle and a number of third clock cycles corresponding to one first clock cycle is non-integer.

Abstract: The application relates to a system comprising at least two processing nodes (1), wherein the nodes (1) comprise an execution environment (2) and a processing component (3), wherein each execution environment (2) includes an establisher configured to establish a communication channel (4) between an outgoing port of the processing component (3) and an inbound port of a different processing component (3), and wherein the system is configured to determine whether the communication channel (4) traverses a boundary of a node (1), and to determine whether an encoding/decoding of data to be transferred through the communication channel (4) is required.

Abstract: Embodiments of the present invention disclose triggering methods and apparatuses of aperiodic channel state information CSI and an aperiodic sounding reference signal SRS for a carrier aggregation system. The method comprises: (1) pre-assigning a corresponding relationship between bits of the CSI request field in an uplink grant and multiple downlink component carriers DL CCs of user equipment, wherein the number of bits of the CSI request field is greater than 1 and less than the maximum allowed number of DL CCs in the system; (2) determining the DL CC for which aperiodic CSI reporting is to be triggered; and (3) mapping the CSI request field in the uplink grant according to the pre-assigned corresponding relationship to mark the value of the bit corresponding to the determined DL CC as “trigger”.

Abstract: The present invention is related to an apparatus and method for signaling information exchanging in CoMP (Coordinated Multi-Point). According to an embodiment of the present invention, in a method for signaling information exchanging, a service TP (Transmission Point) and at least one neighboring TP provide the CoMP to at least one UE (User Equipment). The method comprises receiving by the service TP a precoder feedback from at least one UE, wherein the precoder is specific to one of the least one neighboring TP. The service TP decides if the precoder should be sent to the specific neighboring TP. If affirmative, the service TP compresses an indicator indicating the precoder and sends the compressed indicator to the specific neighboring TP.

Abstract: Video decoder adapted for decoding video based on decoder parameters selected from variable decoder parameters, the decoder comprising an estimator adapted to estimate user viewing experience based on sensor data and comprising a constraint analyzer adapted to analyze constraints when using the decoder parameters, the video decoder further comprising a selector adapted to select said decoder parameters from the variable decoder parameters, wherein the selector is coupled to the estimator and the constraint analyzer.