Abstract: The present disclosure discloses a method for performing analog CSI feedback in a user equipment, comprising: a. obtaining an analog CSI matrix corresponding to the user equipment, the analog CSI matrix satisfies a condition below: X XH=D, where X denotes the analog CSI matrix, H denotes conjugate transpose of matrix, and D denotes a diagonal matrix; b. obtaining dominated element information corresponding to the analog CSI matrix according to predetermined index information, and transmitting the dominated element information to a base station. The solution according to the present disclosure can reduce feedback overheads to a greater extent, has a high CSI feedback quality, and can reliably implement CSI recovery at the base station side.

Abstract: A method of automating assessment of a network's QoE includes receiving a first number of quality of service, QoS, metrics, wherein the first number of QoS metrics pertains to a QoS of the network at a first moment in time; receiving, from a reference device subject to the QoE of the network, a first number of quality of experience, QoE, metrics, wherein the first number of QoE metrics pertains to the QoE of the network at a second moment in time, wherein a time difference between the first moment and the second moment is less than a time threshold; and based on the first number of QoS metrics and the first number of QoE metrics, determining a mapping relationship from at least a subset of the first number of QoS metrics to at least a subset of the first number of QoE metrics, using a machine learning technique.

Abstract: A node is configured to be connected to a massive multiple-input, multiple-output (MIMO) array to provide spatially multiplexed channels to a plurality of user equipment in an unlicensed frequency band. The node includes a processor configured to allocate a number of degrees of freedom of the massive MIMO array to interference suppression based on an outcome of a first listen-before-talk (LBT) operation performed by the node to acquire the unlicensed frequency band. The processor is also configured to generate a spatial filter based on the number of degrees of freedom allocated to interference suppression. The node also includes a transceiver configured to perform a second LBT operation using the spatial filter.

Abstract: Known network management systems for managing traffic signals in a network store node/link parameter signals and traffic parameter signals and calculate solutions defining intermediate nodes/links situated between sources and destinations for transporting said traffic signals from said sources to said destinations via said intermediate nodes/links and calculate route information per solution. By storing node/link parameter signals and traffic parameter signals for several situations (like several predictions in the future) and calculating solutions for each situation and then selecting a solution per situation, the network management system will manage the network more advantageously, especially when solutions are compared with each other, and when a solution is selected per situation in dependence of comparison results (comprising similarities/differences between solutions of different situations).

Abstract: The method includes receiving, at a user equipment, a request-to-send (RTS) signal from a base station in an unlicensed channel, the RTS signal including individual IDs or group IDs of multiple user equipments, the multiple user equipments including the user equipment; and identifying whether the RTS signal includes an individual ID or group ID of the user equipment, wherein the identifying includes sending a clear-to-send (CTS) signal to the base station in a licensed channel or the unlicensed channel to allow the base station to perform data transmission to the user equipment in response to the RTS signal including the individual ID or group ID of the user equipment; and ignoring the RTS signal in response to the RTS signal not including the individual ID or group ID of the user equipment.

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 method includes inputting first groups of frequency samples to be transmitted over, respectively received from, first and second subsets of subscriber lines at respective first tones and following a first group selection order, alternated with mirrored second groups of frequency samples to be transmitted over, respectively received from, the second subset of subscriber lines at respective mirrored second tones of the first tones, and following a mirrored second group selection order of the first group selection order, to a vectoring processor for joint mitigation of first crosstalk present over the first and second subsets of subscriber lines at the respective first tones and second crosstalk present over the second subset of subscriber lines at the respective second tones. The first tones are common to the first and second transmit spectra. Mirroring is with respect to a folding frequency derived from a reference sampling frequency applicable to the first subset of subscriber lines.

Abstract: In controlling data forwarding of an optical network unit (ONU) in a passive optical network (PON) system, wherein a management entity is created in the ONU, the management entity supporting management and maintenance for data forwarding rule; the ONU performs forwarding processing for uplink and downlink data according to the data forwarding rule. An OLT performs data forwarding rule management and configuration for the management entity in the ONU through a management protocol, for example in a GPON network environment. The OLT instructs the ONU to configure a corresponding management entity by expanding an optical network unit management control interface (OMCI) protocol message, and generating and maintaining a forwarding rule table.

Abstract: Embodiments of the present disclosure provide communication methods and devices for joint optimization of transmit power and transmission rate to ensure user fairness. The method described herein comprises: obtaining, from receivers of a plurality of communication links, respective normalized power values of sums of interference and noise experienced by the receivers and transmit power values of transmitters of the plurality of communication links. Each of the plurality of links supports a plurality of service types of transmissions, respective transmission rate targets are defined for the plurality of service types according to different qualities of service required by the plurality of service types, and the transmission rate targets are sorted as a first sequence in a first order. The method also comprises determining, for the plurality of links, values of non-linear combinations of the transmit powers and the normalized powers corresponding to the plurality of links respectively.

Abstract: The method includes sending a request to a core network entity to register the radio access network entity with the core network entity for at least one tracking area, the core network entity being in charge of mobility management and/or paging coordination in a cellular mobile communication network. The method further includes receiving a notification of an acceptation or a rejection of said request that indicates if the core network entity has accepted the registration. The radio access network entity is configured to perform the method. The core network entity is configured to interface with the radio access network entity to perform the method.

Abstract: Embodiments relate to a method for detecting a crosstalk issue on a Digital Subscriber Line (4) of a vectoring group (3), executed by a monitoring device (7), comprising: receiving (S1) operational data representative of the Quiet Line Noise and the Active Line Noise of said Digital Subscriber Line (4), and detecting a crosstalk issue in function of said Quiet Line Noise and/or the Active Line Noise.

Abstract: In an embodiment, there is provided a method for service differentiation in a network sharing architecture for a mobile network wherein an Access Network AN is shared by different Service Providers SPs, said method comprising at least one step based on an identification of an SP by an SP identity that does not require this SP to own a PLMD-Id, for service differentiation in said AN.

Abstract: A method for transmitting uplink channel state information (CSI) in a coordinated multi-point (CoMP) system is provided, which includes coding and multiplexing operations. In a multiple input multiple output (MIMO) system, a method for transmitting CSI of multiple coordinated points according to an embodiment of the present invention includes coding the CSI of the multiple coordinated points, modulating the coded CSI of the multiple coordinated points, and multiplexing the modulated CSI on a physical uplink shared channel (PUSCH). Multiplexing a rank indicator (RI) in the CSI includes multiplexing different RIs for different uplink ranks, and multiplexing a channel quality indicator/precoding matrix indicator (CQI/PMI) in the CSI includes multiplexing the CQI/PMI in a code word with the highest modulation and coding order and in other code words.

Abstract: Embodiments of the present disclosure provide a microstrip antenna and an antenna array. The microstrip antenna includes a ground plane disposed on a first surface of a substrate of the microstrip antenna; a metal patch disposed on a second surface of the substrate opposite to the first surface; a feeding point disposed on the metal patch such that the microstrip antenna has a first resonant frequency; and a shorting point disposed on the metal patch such that the microstrip antenna has a second resonant frequency different from the first resonant frequency. The microstrip antenna according to embodiments of the present disclosure has a wide bandwidth, a low profile, a high gain, a small size, and a simple structure.

Abstract: A user equipment, user equipment method, location server, location server method and computer program are disclosed. The method performed at the user equipment comprises: monitoring for a position reference signal broadcast by a network node; measuring a time of arrival of a peak in a received signal indicative of receipt of said position reference signal and measuring a time of arrival of at least one further peak in said received signal; transmitting a time offset signal indicative of a time difference between said arrival of said at least one further peak and said peak as part of an enhanced reference time difference signal.

Abstract: The embodiments of the invention relate to a line switching component separable from a line card of a network node. The line switching component contains at least one input port for receiving an optical input signal from an optical transport network and at least one output port for transmitting an optical output signal to the optical transport network. The line switching component further contains at least one further output port configured to be connected to an input port of at least one optical interface of the line card and at least one further input port configured to be connected to an output port of the at least one further optical interface of the line card. The line switching component further contains a switchable optical path system configured to operate the line switching component in a first operation mode and to operate the line switching component in a second operation mode.

Abstract: An apparatus is provided that includes an optical noise generator and a noise combiner. The noise generator is configured to produce an optical signal having a noise channel. The noise combiner is configured to combine an optical data channel with the noise channel received at one or more add ports to produce an optical output signal. A controller is configured to operate the noise generator or the noise combiner to provide a variable bandwidth of added noise combined with the optical data channel.

Abstract: A driver behavior monitoring system includes: a video camera; an image processing system; and a driver alert system. The video camera records the driver's behavior, and the image processing system analyzes the recorded video content to recognize and classify the driver's behavior as at least one of: (i) distracted behavior; and (ii) accident behavior. Based on the recognition and classification, the driver alert system may perform various operations such as alerting the driver, alerting the authorities, etc.

Abstract: A method and device for optical data transmission are disclosed. Data bits are transmitted in the form of data symbols, by modulating an optical signal in dependence on the data bits and in accordance with two or more constellation schemes. The data bits are transmitted, by generating first data symbols, which represent respective sets of data bits containing an even number of data bits. The first data symbols are generated, by modulating the optical signal in accordance with a first constellation scheme. Furthermore, the data bits are transmitted, by generating second data symbols, which represent respective sets of data bits having an odd number of data bits. The second data symbols are generated, by modulating the optical signal in accordance with a second constellation scheme. The first and the second data symbols are generated at a predefined symbol rate, such that the first and the second data symbols are interleaved in time.

Abstract: For a supervision and control of connected objects registered in an IMS network, an application server performs the following: receiving a first message containing an identifier of a connected object (CO) from a supervision server (SS), retrieving a SIP number of the CO associated with the identifier, sending a second message containing the identifier to a messaging server (MS) of the IMS network the second message further containing instructions interpreted by the MS to send a control message to an instant messaging client of the CO using the SIP number, the second message and the control message containing a command that is executed by the CO to trigger a monitoring of a sensor of the CO or the activation of a resource of the CO, receiving an update message from the CO, the update message containing a value of a sensor of the CO or an acknowledgment of said activation.