Abstract: A method for establishing a trust relationship in an ultra dense network is provided. The method comprises receiving, by a user equipment (UE), a reconfiguration request from a macrocell; deriving, by the UE, a user plane encryption key according to information in the reconfiguration request; transmitting, by the UE, a first user plane signaling message to a first microcell in a group of microcells when the UE is attached to the first microcell; and transmitting, by the UE, a second user plane signaling message to a second microcell in the group of microcells when the UE is attached to the second microcell, wherein the first user plane signaling message and the second user plane signaling message are both encrypted according to the user plane encryption key.

Abstract: A computer-implemented method of deploying a cloud application comprises accessing, by one or more processors, a first factor graph that represents a first component of the cloud application, the first factor graph comprising a first set of nodes; accessing a second factor graph that represents a second component of the cloud application, the second factor graph comprising a second set of nodes; determining a third set of nodes that are present in both the first set of nodes and the second set of nodes; joining, by the one or more processors, the first factor graph and the second factor graph into a third factor graph, wherein the joining includes unifying the third set of nodes in the first factor graph and the second factor graph; based on the third factor graph, selecting computing resources; and deploying at least a portion of the cloud application to the selected computing resources.

Abstract: A method of using ephemeral identifiers (IDs) in a network implemented a network element (NE) comprises obtaining ephemeral ID for at least one user equipment (UE) accessible by the NE, wherein the ephemeral ID is a temporary and recyclable ID associated with the UE, transmitting a request to map the ephemeral ID of the UE to a locator of the NE to a mapping server, and establishing a communication session between the UE and a network site using the ephemeral ID.

Abstract: A system and method for virtual clothes fitting based on video augmented reality in a mobile wireless device is disclosed. In an embodiment, a method for virtual cloth-fitting with video augmentation in a mobile wireless device includes receiving a video stream of an upper body of a user; detecting a face in the video stream; detecting a shoulder contour; determining keypoints of the shoulder and neck portions of the video stream of the upper body of the user according to the detected face and the detected shoulder contour; mapping an image of clothes to the video stream of the upper body of the user according to the keypoints; and displaying an augmented video stream of the upper body of the user with the image of the clothes overlaid over a portion of the video stream of the upper body of the user.

Abstract: A circuit in a wireless communications terminal/device and a method is described for reducing an image distortion. By measuring three gain mismatches of I path and Q path of a transceiver, and estimating a value of an IQ mismatch coefficient based on the three gain mismatches; and applying a measurement adjustment to the I path or the Q path based on the value of the IQ mismatch coefficient, the image distortion is reduced.

Abstract: A non-transitory computer-readable medium storing computer instructions for allocating an IP address for an instance in a network function virtualization (NFV) system, that when executed by one or more processors, cause the one or more processors to perform the steps of obtaining a first requirement of IP address allocation from VNFD by a first node in the NFV system, determining a second requirement of IP address allocation for the instance according to the first requirement; and sending to a second node in the NFV system the second requirement, wherein the IP address is allocated for the instance based upon the second requirement.

Abstract: The disclosure relates to technology for assigning resources to user equipment for a beam failure recovery by a base station. The base station identifies a beam failure random access channel (BRACH) resource holding beam correspondence with a synchronization signal (SS) block resource covering the user equipment, and assigns the user equipment one or more BRACH preambles for each BRACH resource assigned to the user equipment, excluding the BRACH resource holding beam correspondence with the SS block resource covering the user equipment.

Abstract: In one embodiment, a method for adding partitions to a massively parallel processing (MPP) cluster includes determining whether a first number of available nodes of a first leaf sub-cluster (LSC) of a meta sub-cluster (MSC) of the MPP cluster is greater than or equal to a second number of partitions of a table and assigning a first node of the first LSC to a first partition when the first number of available nodes is greater than or equal to the second number of partitions. The method also includes searching for a second LSC in the MSC when the first number of available nodes is less than the second number of partitions.

Abstract: An optical transceiver comprising an optical signal input, a first modulation section coupled to the optical signal input, a second modulation section coupled to the optical signal input and positioned in serial with the first modulation section, wherein the first modulation section comprises a first digital electrical signal input, a first digital driver coupled to the first digital electrical signal input, and a first modulator coupled to the first digital driver, and wherein the second modulation section comprises a second digital electrical signal input, a second digital driver coupled to the second digital electrical signal input, and a second modulator coupled to the second digital driver, and an optical signal output coupled to the first modulation section and the second modulation section.

Abstract: In one embodiment, a method for passive optical network (PON) communication includes broadcasting, by an optical line terminal (OLT), a first message including a first start time of a first quiet window and a first allocation identification number (Alloc-ID), where the first Alloc-ID indicates a first supported upstream line rate associated with the first quiet window. The method also includes receiving, by the OLT from a first optical network unit (ONU) during the first quiet window, a first serial number response, wherein a first transmitting upstream line rate of the first ONU is equal to the first supported upstream line rate.

Abstract: The disclosure includes a method for establishing a connection with QoS assurance. In the method, a router receives a first IPv6 packet for establishing a first connection, wherein the first IPv6 packet includes a first QoS requirement for the first connection in a hop-by-hop extension header of the first IPv6 packet. Then, the router modifies the first IPv6 packet by setting first information in the hop-by-hop extension header of the first IPv6 packet, where the first information indicates that the router meets the first QoS requirement. Furthermore, the router sends the modified first IPv6 packet to a second router based on a destination IP address of the modified first IPv6 packet.

Abstract: A system for a backplane serializer/deserializer (SerDes) including first and second integrated circuits (IC). The first and second ICs include transmitters and receivers coupled to each other through first and second bidirectional links. A first receiver is configured to receive first data at a data rate on a first channel supported by both the first bidirectional link and the second bidirectional link. A second receiver is configured to receive second data at the data rate on a second channel supported by both the first bidirectional link and the second bidirectional link. The backplane SerDes is configured to transfer the first and second data in full duplex mode by employing two-bit pulse-amplitude modulation (PAM-4) to reduce signaling speed of the first and second bidirectional links without reducing throughput of a lane pair including the first and second channels.

Abstract: A method and apparatus are provided for wireless channel signals processing. An optical signal carrying an aggregated signal comprising a plurality of wireless channel signals is received over a single optical fiber link and converted into a digital signal and then processed to produce the plurality of wireless channel signals. The plurality of wireless channel signals in the aggregated signal are positioned in different non-overlapping frequency bands that span respective channel bandwidths (BWs), where a first channel BW of the respective channel BWs is different from a second channel BW of the respective channel BW.

Abstract: A method for establishing a radio connection includes selecting a first radio access technology for a first phase of a multi-phase radio connection establishment process to minimize power consumption at a remote device, and participating in the first phase of the multi-phase radio connection establishment process. The method also enables establishing and using a radio connection with the first radio access technology that is selected independently from a selection of a second radio access technology used in a second phase of the multi-phase radio connection establishment process, wherein the second phase may be relayed or direct data communications over the established connection in the first phase between the wearable device and its peer (relay) devices or network equipment.

Abstract: A DC to DC voltage converter includes a first voltage converter module configurable to generate a first output at a first output voltage selected from two or more different voltages and a second voltage converter module configurable to generate a second output at a second output voltage selected from two or more different voltages. The first voltage converter module and the second voltage converter module have a common input. A common output combines the first output voltage from the first voltage converter module and the second output voltage from the second voltage converter module.

Abstract: A server implements a method for sending routing information in an Internet exchange point (IXP) network. The server receives control information from a first IXP member via the IXP network and obtains first routing information from the first IXP member via the IXP network, where the control information comprises an identifier of a second IXP member. Based on the first routing information and the control information, the server generates second routing information for the second IXP member, where the second routing information may be identical to the first routing information or a portion of the second IXP member. After the generation, the server sends the second routing information to the second IXP member. With the second routing information, the second IXP member may obtain some routing capability of the first IXP member.

Abstract: A method implemented in a wireless network element (NE), comprising obtaining, via a processor of the wireless NE, a plurality of encoded signals associated with a plurality of downstream (DS) channels in a wireless communication network, wherein the plurality of DS channels form a plurality of DS multiple-input and multiple-output (MIMO) groups, performing, via the processor, MIMO pre-coding on the plurality of encoded signals according to the plurality of DS MIMO groups to produce MIMO pre-coder output signals of the plurality of DS MIMO groups, performing, via the processor, a crosstalk pre-coding across the MIMO groups using a crosstalk pre-coding matrix on the MIMO pre-coder output signals of the plurality of DS MIMO groups to produce a plurality of output signals, with the crosstalk pre-coding matrix computed according to a first DS channel matrix and a DS MIMO channel matrix, wherein the first DS channel matrix comprises first diagonal entries representing first direct channel estimates of the pluralit

Abstract: The present disclosure relates to a system and method of managing operation of a cache memory. The system and method assign each nested task a level, and each task within a nested level an instance. Using the assigned task levels and instances, the cache management module is able to determine which cache entries to evict from cache when space is needed, and which evicted cache entries to recover upon completion of preempting tasks.

Abstract: A method for beam adaptation in a beam-based communications system is provided. The beam-based communications system includes user equipment (UE) and a transmit-receive point (TRP). The method includes that UE determines a beamforming gain headroom (BHR) based on a UE maximum beamforming gain and a beamforming gain of a UE beam between the UE and the TRP, sends the BHR to the TRP, and receives a beam adaptation indication from the TRP.

Abstract: The disclosure relates to technology for generating a data set comprising random numbers that are distributed by a multivariate population distribution. A set of empirical cumulative distribution functions are constructed from a collection of multidimensional random samples of the multivariate population, where each empirical cumulative distribution function is constructed from observations of a random variable. A number of multidimensional sample points are sampled from the collection of multidimensional random samples and the number of multidimensional sample points are each replaced with random neighbors to generate cloned data.