Abstract: The present disclosure aims to provide a method and device for virtual port mapping of massive MIMO. The present disclosure maps one or more transceiver units to a virtual port by performing hybrid beamforming for at least one transceiver unit in massive MIMO, and then performs digital precoding based on the virtual port.

Abstract: An antenna system including a first antenna, a second antenna and a third antenna. The antenna system includes a feed for feeding a first common signal to radiator elements of one of the second antenna or third, with a first phase difference between the radiator elements configured for a first polarization and the radiator elements being configured for a second polarization, to create a virtual polarization, wherein the virtual polarization is aligned with one of the first polarization or the second polarization in a first frequency band.

Abstract: Method and apparatus for load balancing in a Cloud-radio access network (C-RAN) are disclosed. A method includes receiving control plane (CP) data associated with a user from a core network or a remote access point; and dispatching the CP data to a first user equipment (UE) virtualized network function component (VNFC) based on a first route.

Abstract: A connector assembly includes an adapter connector and two end-connectors. Each connector includes a high-speed differential area and a low-speed area. The high-speed differential area of each end-connector includes an end differential unit. The high-speed differential area of the adapter connector includes an adapter differential module. Each end differential unit and a corresponding adapter differential unit include a signal contact and a ground shielding member. The plug-in parts of the two end-connectors, which are adapted with the adapter connector, are the same in structure, and of the end differential unit and the adapter differential unit, one is a male unit and the other is a female unit in corresponding plug-in fit. Due to the fact that the plug-in parts of the two end-connectors are the same in structure, when the end-connectors are plugged into the adapter connector, identification can be saved, and blind plugging operation can be directly performed.

Abstract: Disclosed are methods and apparatuses for performing precoding. A method disclosed comprises steps of: transmitting a CSI reference signal to a UE to request the UE to report status-related information of respective panels; acquiring, based on first feedback information from the UE, the status-related information of the respective panels whose status-related information has been measured by the UE and a serving panel selected by the UE; and performing, based on the status-related information of the respective panels and the serving panel selected by the UE, two-stage beamforming separately to the respective panels, so as to first perform decoupling to suppress inter-panel interference and then perform per-panel precoding. The disclosure offers the following advantages: effectively eliminating the inter-panel and intra-panel interference, avoiding complex inter-panel calibration, and reducing implementation complexity and CSI feedback overhead.

Abstract: An antenna comprising two sub antennas each sub antenna comprising at least one radiating element is disclosed. The two sub antennas comprise an inner sub antenna and an outer sub antenna. The antenna comprises signal feed circuitry for supplying a first signal to the inner sub antenna and signal feed circuitry for supply a second signal to the outer sub antenna. The at least one radiating element of the outer sub antenna comprises at least one flexible radiating patch mounted on a flexible material arranged to wrap at least partially around at least a portion of the inner sub antenna.

Abstract: Method, management node and processing node are disclosed for continuous availability in a cloud environment. According to an embodiment, the cloud environment comprises a plurality of layers and each layer includes at least two processing nodes. Each processing node in a layer can pull job(s) from the processing nodes in the upper layer if any and prepare job(s) for the processing nodes in the under layer if any. A method implemented at a management node comprises receiving measurement reports from the plurality of layers. The measurement report of each processing node comprises information about job(s) pulled from the upper layer if any and job(s) pulled by the under layer if any. The method further comprises determining information about failure in the cloud environment based on the measurement reports.

Abstract: An omni-directional antenna module includes a plurality of vertically and horizontally polarized antenna elements arranged to provide 360° coverage around an antenna, and to eliminate nulls below the antenna. The antenna elements are arranged in parallel with respective orthogonal axes of a three-dimensional Cartesian coordinate system, with the centers of the antenna elements being arranged collinearly along the vertical or “Z” axis so that the radiation patterns of the individual orthogonally polarized dipoles do not interfere.

Abstract: An apparatus, for example a multi-band radio frequency antenna system, comprising: a primary reflector, for example a parabolic reflector; and a near-field feed arrangement comprising: a multi-band waveguide feed comprising a first waveguide feed for a first frequency band and a second waveguide feed for a second frequency band separate to the first frequency band, wherein the first waveguide feed and the second waveguide feed are co-axial and have, respectively, a first aperture and a second aperture; and a splashplate located within the near-field of the first waveguide feed, located within the near field of the second waveguide feed and configured as a feed for the primary reflector.

Abstract: An antenna assembly and method are disclosed. The antenna assembly comprises: a printed circuit board assembly having a radiating element layer and a choke structure, the choke structure having a central conductor and a shielding structure, wherein the central conductor comprises at least a portion of the radiating element layer. By providing a printed circuit board assembly having a radiating element layer and a choke structure which utilises a portion of the radiating element layer, the manufacture of the radiating elements is simplified.

Abstract: In a first aspect of the present disclosure, an antenna includes: a ground plane; a central support extending from the ground plane, the central support having two feeding probes, each of the feeding probes having a first part and a second part, each of the first part and the second part being separated from one another and from the first and second parts of the other feeding probe; and four radiating arms, one radiating arm extending from each of the first and second parts of each feeding probe, wherein at least a portion of at least two of the radiating arms extends in directions different from orientations of their respective parts of the feeding probes.

Abstract: A cable includes an inner conductor; a dielectric arranged around the inner conductor; an outer conductor annularly arranged around the dielectric; a plurality of tapes around the outer conductor, each tape providing a successive layer over and circumferentially surrounding an underlying tape or the outer conductor, wherein one of the tapes is a conductor; and a jacket encasing the plurality of tapes.

Abstract: Apparatus for attaching an orthogonal mode transducer, OMT, to an antenna, wherein said apparatus comprises a frame for receiving said OMT, and an antenna interface device for establishing a radio frequency, RF, signal connection between said OMT and said antenna, wherein said frame comprises a supporting surface for releasably attaching said antenna interface device to said frame.

Abstract: Embodiments of the present disclosure relate to a method, a device, and a computer-readable storage medium for allocating system resources among a plurality of network slices in a communication network. In the communication network, a network device determines utility values of two network slices. A network slice corresponds to a set of network functions of a set of services served thereby. A utility value of the network slice indicates the level of demand for system resources by the set of services associated with the network slice. The network device determines a difference between the utility values of the two network slices. If the difference exceeds a threshold utility value, the network device re-allocates system resources among the plurality of network slices in the communication network.

Abstract: The present invention provides an arch structure for multi-band base station antenna, the arch structure comprises two interface units for connecting with the side edge of a reflector, and a plurality of snap-fits for fixing with the bottom of the reflector, wherein at least two snap-fits in the plurality of snap-fits are not arranged on a projection mid-axis of the arch structure. According to the arch structure of the present invention, it can effectively avoid the interference between the arch structure and the dipole or dipole isolation wall, and enhance the stability of arch structure, so that the width of the arch structure can be reduced and the manufacturing cost can be saved.

Abstract: An antenna comprising: a longitudinal support member for supporting components of the antenna and a method of assembling such an antenna is disclosed. The components supported by the longitudinal member comprise: at least one signal feed probe configured to capacitively supply a signal to a corresponding at least one radiating patch; the at least one radiating patch mounted to at least partially wraparound the longitudinal support member; and signal supply circuitry for supplying a signal to the at least one signal feed. The signal supply circuitry is mounted on an outer surface of the inner longitudinal support member; and the longitudinal support member is formed of a conductive material and forms a ground plane for the antenna.

Abstract: A support member for arrangement with additional support members to form an array of dipole antennas. The support member includes a first portion of a conductive arm of a dipole antenna, and a first portion of a conductive arm of another dipole antenna. A second portion of the conductive arm of the dipole antenna extends from the first portion of the conductive arm of the dipole antenna towards the first portion of the conductive arm of the other dipole antenna, defining a gap in a direct current path between the second portion of the conductive arm of the dipole antenna and the first portion of the conductive arm of the other dipole antenna.

Abstract: A fastening device (10) for fastening an antenna (1) to a support (5) comprising: —a first element (10a) configured to be fixed on the support (5), —a second element (10b) configured for linking the first element (10a) to the antenna (1), —a first setting unit (16) for setting an angular orientation of the second element (10b) with respect to the first element (10a), wherein the first setting unit (16) comprises: —a first and a second pairs of holes (20a, 20b, 21a, 21b) made in one of the first or second elements (10a, 10b), the holes (20a, 20b, 21a, 21b) of a pair facing each other, —at least one through opening (18) having an arced oblong cross-section made in the other of the first or second element (10a, 10b), the at least one through opening (18) being configured to be placed between the two holes (20a, 20b) (21a, 21b) of a pair, —at least a first and a second axles (22), an axle (22) being configured to be placed through both the holes (20a, 20b) (21a, 21b) of a pair and a through opening (18), —first t

Abstract: Apparatuses, methods of assembling a resonator, and methods of tuning a resonator are provided. An example apparatus may include at least one resonator comprising a resonator hole defined within the resonator and defining an inner wall of the at least one resonator, a tuning cover comprising at least one hollow rod, and a tuning element comprising a bottom flanged portion. The tuning element may be configured to be inserted into the at least one hollow rod and the bottom flanged portion is configured to cover at least a bottom portion of the hollow rod. The bottom flanged portion of the tuning element is configured to be positioned between the at least one hollow rod and the inner wall of the at least one resonator.

Abstract: A multi-frequency folded lens antenna structure includes a stack, and the stack includes a polarization-dependent trans-reflector, a dielectric gap, and a multi-frequency twist-reflector; wherein the polarization-dependent trans-reflector is configured to transmit electromagnetic radiation of a first polarization incident from within the stack out of the stack and to reflect electromagnetic radiation of a second, different polarization incident within the stack towards the multi-frequency twist-reflector, and the multi-frequency twist-reflector is configured to selectively change a polarization of the reflected electromagnetic radiation from the second polarization to substantially the first polarization and to direct the electromagnetic radiation of substantially the first polarization, within the stack, towards the polarization-dependent trans-reflector for at least partial transmission out of the stack, wherein the multi-frequency twist-reflector is configured to selectively change the polarization for at