Abstract: A method of an electronic device for a connection management is provided. The method comprises: establishing a communication link with an access point (AP); receiving a triggering indication based on link information measured by the electronic device; determining a quality of the communication link between the electronic device and the AP based on the received triggering indication; comparing, based on the determined quality of the communication link, at least two Q values fetched from a Q table that is determined according to context in which in the electronic device is being used; setting a quantized aggressive index (QAI) value based on the compared at least two Q values; and generating a disconnection command based on the QAI value, wherein the disconnection command is a physical disconnection command or a virtual disconnection command of the communication link between the electronic device and the AP.

Abstract: An adsorptive anti-tipping device and a cup body matched therewith, being used to fasten the cup body to prevent it from tipping, including a driving rod, which driving rod comprises a sliding rod, a limit rod and an abutment rod, the limit rod is vertically fixed on the upper end of the sliding rod; the abutment rod is fixedly connected with one end of the sliding rod; on a fixed cover is arranged a sliding positioning hole, and the limit rod is limited above the fixed cover; the suction component is slidably clamped with the fixed cover, and has a driving slope and a driving block on it, the driving block corresponds to the position of the adsorptive surface of the suction component,. The present application is simple in structure and easy to use. Using a suction cup to adsorb the surface, the present application may prevent containers' tipping.

Abstract: A server, method, and computer-readable storage medium for coverage prediction in wireless networks. The server includes a memory storing instructions and a processor operably connected to the memory, which is configured to execute the instructions to cause the server to identify a region of interest (RoI) for the coverage prediction; determine, using a neural network, a set of values for a system performance metric for areas in the RoI, respectively; and generate the coverage prediction for the RoI which associates the areas in the RoI with a determined value in the set of values. The set of values for the system performance metric is determined based on a plurality of data samples for a set of RoIs which include at least one of building height, terrain height, foliage height, clutter data that classifies land cover, line-of-sight indication data, antenna height, and ground truth data for the system performance metric.

Abstract: A system and method of a base station are configured to enable a multi-shot network parameter optimization. The method includes generating one or more specified Key Performance Indicators (KPI) constraints based on a selected set of KPIs. The method also includes adjusting common beam parameters to tune a common beam based on the selected set of KPIs. The common beam is tuned to satisfy the one or more specified KPI constraints. The method also includes adjusting handover A2 and A5 parameters based on searching within a three-dimensional space defined by specified A2 and A5 thresholds. The method further includes transmitting one or more signals based on the adjusted the common beam parameters and the adjusted handover A2 and A5 parameters.

Abstract: A radio frequency (RF) unit and method of operation of the RF unit are disclosed herein. The RF unit comprises an antenna array, and the antenna array comprises a plurality of antenna elements. A first set of the plurality of antenna elements is configured to operate in a first mode and a second set of the plurality of antenna elements is configured to operate in a second mode. In the first mode, the first set of the plurality of antenna elements is configured to transmit and receive. In the second mode, the second set of the plurality of antenna elements is configured to only receive.

Abstract: A base station for generating multi-user precoders. The base station includes a transceiver configured to receive sounding reference signals (SRSs) from a set of user equipments (UEs), and a processor configured to select, for one or more UEs in the set of UEs, one or more codewords from an uplink codebook based on a correlation between the one or more codewords and the one or more SRSs; determine, using a composite downlink codebook, downlink codewords for the selected uplink codewords, respectively, the composite downlink codebook mapping uplink codewords to downlink codewords based on steering angles derived from the uplink codewords; transmit a set of pre-coded channel state information reference signals (CSI-RSs) to the one or more UEs, wherein the pre-coded CSI-RSs are pre-coded based on the determined downlink codewords; and identify a downlink channel matrix based on CSI feedback from the one or more UEs and the pre-coded CSI-RSs.

Abstract: Methods and apparatuses for hybrid hierarchical parameter tracking for CSI estimation in a wireless communication system. The methods and apparatuses include receiving uplink signals comprising a channel state information (CSI) report or a sounding reference signal (SRS); performing a channel parameter tracking operation to determine channel parameters that change less than a first threshold amount based on the received uplink signals; performing a channel parameter prediction operation to determine the channel parameters that change greater than a second threshold amount on an output of the channel parameter tracking operation; and performing a channel prediction operation for downlink channels based on an output of the channel parameter tracking operation and the channel parameter prediction operation.

Abstract: A subscriber station configured to communicate with one or more base stations or other transmission points (TPs) in a wireless communication network is configured to receive, from the network, information associated with one or more of the TPs that are candidates for coordinated multipoint (CoMP) transmission with the subscriber station, to measure a plurality of channel quality values for each of the one or more TPs, and to report the measured channel quality values to the network.

Abstract: An antenna and a base station including the antenna. The antenna includes a sub-array that includes first and second unit cells and a feed network. The first and second unit cells comprise first and second patches, respectively, having quadrilateral shapes. The feed network comprises a first transmission line terminating below first corners of the first and second patches, respectively; a second transmission line terminating below third corners of the first and second patches, respectively; a third transmission line terminating below a second corner of the first patch and a fourth corner of the second patch; and a fourth transmission line terminating below a fourth corner of the first patch and a second corner of the second patch. The first corners are opposite the third corners on the respective first and second patches and the second corners are opposite the fourth corners on the respective first and second patches.

Abstract: A user equipment (UE) in a wireless communication system. The UE comprises at least one processor configured to determine a first subcarrier spacing and a transceiver configured to transmit, to a base station (BS), random access signals generated with the first subcarrier spacing and receive a downlink control signaling comprising a physical (PHY) resource configuration that includes a second subcarrier spacing. The UE further comprises at least one processor configured to set the PHY resource configuration for at least one of uplink transmission or downlink reception.

Abstract: A method for performing mobility load balancing includes receiving, at a server, current load data for a plurality of cells of a wireless communication network, selecting, from the plurality of cells, a target cell (s), wherein a value of the current load data for the target cell exceeds a first predefined threshold, and selecting, from a neighbor cell list corresponding to the target cell, a set of neighboring cells for the target cell. The method further includes calculating, a value of at least one utilization parameter for the target cell, determining, a CIO value and an E-tilt value for the target cell based on the value of the at least one utilization parameter for the target cell and configuring one or more physical layer parameters of the target cell based on the determined CIO and E-tilt values for the target cell.

Abstract: A method for operating a base station is provided. The method includes in response to a triggering event, fetching information on a base station (BS) configuration parameters comprising a location, a height, an antenna pattern, and topographical details surrounding the BS; determining the BS configuration parameters that are error prone and require re-estimation; obtain measurement reports created by at least one user equipment (UE); determining an audit method to perform an audit correction, the audit correction based on the one or more of the BS configuration parameters to re-estimate, available BS information and the measurement reports; performing the audit correction, to obtain a result based on a computed score for each candidate value of the BS configuration parameters; generating, based on the result, one or more corrective actions; and adjusting at least one of the BS configuration parameters based on the one or more corrective actions.

Abstract: A method of a network entity for communicating with a mesh network is provided. The method comprises receiving, from a communication node in the mesh network, information including a network topology of the mesh network and an angle separation of antenna panels of a plurality of communication nodes in the mesh network; identifying a value associated with a number of links of each communication node of the plurality of communication nodes in the mesh network; determining whether a number of available channels is greater than or equal to the value plus one; identifying at least one potential connection of the plurality of communication nodes based on a threshold and the network topology of the mesh network when the number of available channels is less than the value plus one; and transmitting, to the communication node in the mesh network, a channel allocation decision based on the at least one potential connection of the communication node.

Abstract: A method and apparatus of a BS in a wireless communication system is provided. The method and apparatus comprises: storing a set of beam codebooks including a plurality of angular grids each of which is identified as a first type of angular grid or a second type of angular grid; identifying a set of parameters to adjust an antenna beam pattern based on the set of beam codebooks, wherein the set of parameters includes at least one of feedback information received from a UE or a set of KPIs identified by the BS; determining a type of angular grid as the first type of angular grid or the second type of angular grid, wherein the first and second type of angular grids include a first antenna gain and a second antenna gain, respectively; and select, from the set of beam codebooks, a beam codebook corresponding to the antenna beam pattern.

Abstract: The present invention relates to and provides a glassware lid and a glassware with same. After food is heated, the lid is covered; a first end of the air hole sliding lid is turned so that the air hole is communicated with outside atmosphere to avoid forming a vacuum state inside; when the lid needs to be taken out, the first sliding parts and the second sliding parts continue to slide to separate the hoop from the glassware body, which is convenient to operate. The structure is compact and the arrangement is reasonable.

Abstract: An InP-based monolithic integrated chaotic semiconductor laser chip capable of feeding back randomly diffused light, being composed of six regions: a left DFB semiconductor laser, a bidirectional SOA, a left passive optical waveguide region, a doped passive optical waveguide region, a right passive optical waveguide region, and a right DFB semiconductor laser, specifically including: an N+ electrode layer, an N-type substrate, an InGaAsP lower confinement layer, an undoped InGaAsP multiple quantum well active region layer, doped particles, distributed feedback Bragg gratings, an InGaAsP upper confinement layer, a P-type heavily doped InP cover layer, a P-type heavily doped InGaAs contact layer, a P+ electrode layer, a light-emitting region, and isolation grooves. It effectively solves problems of bulky volume of the existing chaotic laser source, the time-delay signature of chaotic laser, narrow bandwidth, and low coupling efficiency of the light and the optical waveguide.

Abstract: An antenna and a base station including the antenna. The antenna includes a sub-array that includes first and second unit cells and a feed network. The first and second unit cells comprise first and second patches, respectively, having quadrilateral shapes. The feed network comprises a first transmission line terminating below first corners of the first and second patches, respectively; a second transmission line terminating below third corners of the first and second patches, respectively; a third transmission line terminating below a second corner of the first patch and a fourth corner of the second patch; and a fourth transmission line terminating below a fourth corner of the first patch and a second corner of the second patch. The first corners are opposite the third corners on the respective first and second patches and the second corners are opposite the fourth corners on the respective first and second patches.

Abstract: Coordinate multi-point (CoMP) transmission is facilitated by resolving collisions between feedback reporting. Based upon the conditions within the network, collision resolution may be by dropping a channel report during a subframe, multiplexing channel reports from a plurality of user equipment, compressing channel reports a plurality of user equipment, and combined reporting, either through joint reports or by using carrier aggregation, for conditions between a user equipment and a plurality of transmission points. New signaling and reporting formats facilitate selection of a collision resolution suitable for current network conditions.

Abstract: An apparatus and method for providing control information in a Multi User-Multiple Input Multiple Output (MU-MIMO) wireless communication system is provided. The method includes receiving a plurality of Resource Elements (REs) including Downlink Control Information (DCI), determining, using the DCI, a set of REs to which a plurality of Downlink Reference Signals (DRSs) may be mapped, determining remaining REs as REs to which data is mapped, and demodulating the data using a precoding vector of a DRS corresponding to the MS.