Abstract: A multiband antenna is disclosed for wireless mobile communication devices such as cellular telephones. The antenna may include a bifurcated ring structure along one, two, three or all four edges of the device. The ring structure may include bifurcated metal conductors, or bars, extending along the length of the one or more edges.

Abstract: A system and a method for synchronization and link acquisition in cellular wireless systems with directional antennas are disclosed. In an embodiment a method for wireless communication includes synchronizing, by a first network controller, transmission of a first synchronization signal with transmission of a second synchronization signal from another network controller.

Abstract: A method for operating an access point includes broadcasting reservation information for a periodic group resource, assigning a resource in the periodic resource to a first station and transmitting information about the resource in the periodic group resource allocated to the first station to the first station, wherein the transmitting occurs during one of an association procedure with the first station and a reconfiguration of a resource assignment for the first station. The method also includes exchanging data with the first station during the resource in the periodic group resource allocated to the first station.

Abstract: The method provided in this embodiment improves the capabilities of automatic driving and ADAS of electric vehicles. The method can be applied to vehicle networking, such as V2X, LTE-V, V2X, etc. The method includes receiving, from the mobile device, an indication of a requirement for transmission resources, comprising at least an indication that the resources are required with a periodicity, transmitting, to the mobile device, an assignment of a first scheduling configuration for the device-to-device connection, transmitting, to the mobile device, an indication to begin use of periodically recurring radio resources, and handing over responsibility for providing radio resources for the device-to-device connection from the network node to a target network node such that the availability of radio resources with the periodicity is substantially maintained.

Abstract: A device comprises a memory that stores instructions executed by one or more processors to obtain a plurality of received signals transmitted by a user equipment from a plurality of antenna elements in a cellular network. A plurality of received signals transmitted by a user equipment from a plurality of antenna elements in a cellular network are obtained, and a plurality of complex channel values are calculated in an angle domain for a horizontal arrival angle and a vertical arrival angle per a received ray in a plurality of received rays in response to the plurality of received signals. An expected value of the plurality of channel values are calculated to obtain a power value for the horizontal arrival angle and vertical arrival angle having a time delay per the received ray.

Abstract: Quality of service problems in wireless networks can be identified, and in some cases resolved, autonomously using an optimization technique that adjusts parameters of the wireless network based on relationships between key quality indicators (KQIs) and key performance indicators (KPIs). A KQI may be used to gauge the quality of service/experience collectively observed by users/devices when communicating a particular type of traffic in a wireless network or wireless network area. A KPI may be any specific performance metric of a wireless network tending to have a causal or correlative relationship with a KQI. Different types of relationships between a KQI and KPIs may be used to evaluate a quality of service problem, including correlation coefficients, slopes of linear regression, hit-ratios, and others.

Abstract: A computer-implemented method of preventing communications based on endpoint category is provided that comprises: accessing, by one or more processors of a router, a data packet that indicates a source identifier that identifies a source endpoint and a destination identifier that identifies a destination endpoint; determining, by the one or more processors of the router, a source category based on the source identifier; determining, by the one or more processors of the router, a destination category based on the destination identifier; and based on the source category and the destination category, refraining from sending the data packet to the destination endpoint.

Abstract: A method for operating a user equipment (UE) configured for estimating channel quality includes receiving a downlink fractional control channel from a non-serving HS-DSCH cell, estimating a quality of the downlink fractional control channel over a specified time period, and deriving downlink synchronization primitives in accordance with the quality of the downlink fractional control channel. Further methods for deriving the transmit power of an uplink control channel from downlink fractional control channels transmitted by the serving and non-serving HS-DSCH cells are disclosed.

Abstract: Embodiments are provided to enable graphic processing unit (GPU) virtualization for high bandwidth or rate demanding applications, such as 3D gaming, where a client communicates with a host via a virtual desktop infrastructure (VDI). The distributed GPU virtualization allows one or more VMs or comparable hosts or components access to communicate with a GPU at a different component or physical machine in a data center or a network. A first physical machine starts a remote display driver function to handle a request to render graphics from a client via gateway. A second physical machine that comprises a GPU is instructed to start a render function for the client using the GPU. The rendered graphics is then sent to the client via the gateway.

Abstract: An apparatus and method for control channel transmission in a wireless network are disclosed. A disclosure is provided with at least one resource block (RB) including a first control channel element associated with a first antenna port (AP) and a second control channel element associated with a second AP. The first and second control channel elements might be used for transmission of a single control channel, and a first reference signal sequence associated with one of the first AP and the second AP is selected for transmission of the single control channel based on a control channel element index value, such that a resource element of the at least one RB can be detected to decode the first control channel element and the second control channel element.

Abstract: Methods and apparatus for determining and adjusting traffic rate limits to reduce queuing delays and latency in a data center network. In various embodiments, a network controller receives network topology information and traffic data relating to flows of the network. The traffic data includes traffic matrix information, flow path information, and pause frame distribution information. Based on this information, the network controller identifies server network node interfaces that are the source of a pause frame. Flows associated with such network node interfaces are also identified and ranked based on traffic volume. For ranked flows meeting predetermined criteria, reduced traffic rate limits are calculated and sent to associated server network node interfaces. In some embodiments, the reduced traffic rate limits are incrementally recovered when normal traffic resumes on a paused link.

Abstract: The disclosure relates to technology for assisting a wireless a communication device to acquire access to a millimeter-wave access point (mmW AP). In some embodiments, an angular direction from a mobile wireless communication device to the mmW AP is determined. In some embodiments, the mobile wireless communication device receives information from a wireless network that helps the mobile wireless communication device determine the angular direction. In some embodiments, the signals between wireless network and mobile wireless communication device are below 6 GHz. In some embodiments, the wireless network provides the mobile wireless communication device with the angular direction. Therefore, the mobile wireless communication device is able to configure an antenna to receive and/or transmit a beam in a direction of the mmW AP. The mobile wireless communication may do so during a process of gaining access to the mmW AP.

Abstract: A method for beamforming training is disclosed including SNR values with each of the SNR values associated with one of the antenna identifiers (IDs) in a first frame identifying different radio frequency (RF) chains for a process of beamforming training; receiving and transmitting the first frame bi-directionally between multiple pairs of communicating nodes, wherein each pair of the communicating nodes has at least one initiator node and one responder node; receiving feedback of the SNRs associated with the antenna IDs from two or more responder nodes of the multiple pairs of the communicating nodes to choose an RF chain as favorable transmit antenna for transmission; and determining respective one from the multiple antenna sectors of the multiple antennas for transmission for the responder nodes according to the feedback. A central network controller and a system are also disclosed herein.

Abstract: A method and device for mitigating passenger-related item loss in a travel-for-hire context are disclosed. An item within a vehicle passenger region is identified, and associated the identified item with a passenger identified by a passenger identifier. A vehicle cabin inventory database is updated with an entry based on the identified item associated with the passenger identifier. A presence of the identified item is detected within the vehicle cabin passenger region when a passenger exit event occurs, and message data is generated including the entry that relates to the identified item based on the presence of the identified item within the vehicle cabin passenger region.

Abstract: A method for providing an extensible solution for discovery message size includes determining a capsule size at a layer one protocol of a user equipment operating in a cellular network. The capsule size is forwarded to a layer two protocol of the user equipment where it is adjusted to accommodate layer two overhead. The adjusted capsule size is then forwarded to a layer three protocol.

Abstract: A first network element (NE) comprises a receiver configured to receive a tunnel redirection request message from a second NE, wherein the tunnel redirection request message is a request to re-route packets to a third NE instead of the second NE, wherein the tunnel redirection request message comprises an address of the third NE and a first destination address, wherein the packets comprise the first destination address. A processor of the NE is coupled to the receiver and configured to add an outer header and an encapsulation header to a first subset of the packets, wherein the outer header comprises the address of the third NE, and wherein the encapsulation header comprises an identifier of an encapsulation protocol supported by the third NE, and a transmitter coupled to the processor and configured to transmit the first subset of the packets to the third NE via an overlay tunnel, and transmit a second subset of packets to the second NE.

Abstract: An apparatus comprises a radio frequency (RF) antenna circuit; an antenna aperture tuning circuit; an antenna impedance measurement circuit; and a processor circuit electrically coupled to the tunable antenna aperture circuit and the impedance measurement circuit. The processor circuit is configured to: set the antenna aperture tuning circuit to an antenna aperture tuning state according to one or more parameters of an RF communication network; initiate an antenna impedance measurement; and change the antenna aperture tuning state to an antenna aperture tuning state indicated by the antenna impedance.

Abstract: Aspects of the disclosure provide a voltage converting system. The voltage converting system includes a first power converter configured to convert an input voltage to an intermediate voltage, a second power converter configured to convert the intermediate voltage to an output voltage at a target voltage level, and a control circuit coupled to the first power converter and the second power converter. The control circuit is configured to, upon detection of the input voltage having a voltage level that is within a first range, perform a close-loop control of the second power converter to output the output voltage at the target voltage level.

Abstract: A provider edge (PE) router and methods for establishing a pseudowire using open shortest path first (OSPF) link state advertisement (LSA) messages. The pseudowire links the PE router with a remote PE router through a packet switched network (PSN), and emulates other communications protocols to provide customer edge (CE) equipment connected to the PE routers the appearance of a dedicated private circuit.

Abstract: A method for device-to-device (D2D) communications includes generating, by a synchronization source, a primary device-to-device synchronization signal that is different from a primary synchronization signal (PSS) sent by an Evolved NodeB (eNodeB) and an existing uplink (UL) signal sent by device-to-device communications devices, and transmitting, by the synchronization source, the primary device-to-device synchronization signal in a single carrier frequency division multiple access (SC-FDMA) waveform.