Patent application number | Description | Published |
20080318584 | Virtual Multiple Antenna (Vmat) - The present invention relates to a communication unit, network and method for communication within a communication network, the unit comprising a transceiver portion, a processing unit and at least one interface arrangement for communication with at least one peripheral device. The unit further comprises an arrangement for transceiving at least parts of a signal to the communication network using at least one of said interface arrangements for communication with said at least one peripheral device. | 12-25-2008 |
20090197544 | DEVICE FOR IMPROVED ISOLATION CHARACTERISTICS IN A TELECOMMUNICATIONS SYSTEM - The invention discloses an apparatus in a wireless telecommunications system, comprising at least a first antenna of a first polarization and a second antenna of a second polarization. The apparatus additionally comprises a receiver and a transmitter, and is intended for communication with at least one other device in the wireless telecommunications system. The apparatus is equipped with means for estimating the polarization state of a signal which is received from the one other device, and the apparatus additionally comprises means for adapting the polarization state of signals transmitted from the apparatus to the one other device on the basis of said estimate of the received signal. | 08-06-2009 |
20090295474 | Device with Shared Power Amplifiers, For Use in a Wireless Telecommunications System - The invention discloses a device ( | 12-03-2009 |
20100066634 | OPTIMIZED RADIATION PATTERNS - An antenna arrangement comprising at least two antenna arrays, each array comprising a plurality of radiating elements being arranged so as to have at least a plurality of corresponding radiating element positions, wherein for each radiating element there is associated an excitation means comprising a magnitude weight and a delay weight, wherein there is a first set of excitation means associated with a first array providing a first radiation pattern and a second set of excitation means associated with a second array providing a second radiation pattern. At least two respective excitation means associated with a corresponding radiating element position of at least two respective arrays have at least two different magnitude weights, and at least two respective excitation means associated with a corresponding radiating element position of at least two respective arrays have at least two different delay weights. | 03-18-2010 |
20100149068 | Dual Polarized Antenna With Null-Fill - The present invention relates to a dual polarized array antenna comprising at least two dual polarized antenna elements being arranged for radiating electromagnetic energy having a first polarization, constituting a first antenna radiation pattern, via a connection to a first antenna port, and electromagnetic energy having a second polarization, constituting a second antenna radiation pattern, via a connection to a second antenna port, the second polarization being orthogonal to the first polarization, the first antenna radiation pattern and second antenna radiation pattern each having a main beam and a number of side-lobes with nulls. The array antenna comprises at least one further dual polarized antenna element arranged for radiating electromagnetic energy having two mutually orthogonal polarizations, constituting further antenna radiation patterns, via respective connections to the first antenna port and the second antenna port, where the polarization of said at least one further dual polarized antenna element that is associated with the first antenna port deviates from the first polarization such that said at least one null of the first antenna pattern is at least partly filled. | 06-17-2010 |
20100194650 | Antenna Weights Calculation Based on Users' Interference Rejection Capabilities - The present invention relates to a method and arrangement in a transmitter unit of a multi-antenna system for an improved calculating of the antenna weights for a beamforming transmission of data from a transmitter unit to a target receiver unit, whereby interfering signal components for receiving units other than the target receiving unit and the desired communication signal at a target receiving unit are weighted by receiver-specific parameters describing the receiver capabilities of said units in terms of their capability for interference suppression and/or signal enhancement. The invention also relates to a method and arrangement for scheduling of user equipments by using said information on the signal processing capabilities for received signals of each receiving unit. | 08-05-2010 |
20110095961 | ANTENNA CONFIGURATION PROVIDES COVERAGE - The invention provides an antenna arrangement for a wireless communication system arranged to have at least one transmit mode and at least one receive mode, the arrangement comprising at least three directional antennas ( | 04-28-2011 |
20120007789 | ANTENNA ARRANGEMENTS - The present invention relates to an antenna arrangement ( | 01-12-2012 |
20120083317 | Wireless Communication Node and a Method Related Thereto - The present invention relates to a wireless communication node ( | 04-05-2012 |
20120088537 | BASE STATION ARRANGEMENTS - Base station arrangement ( | 04-12-2012 |
20120108186 | TRANSMITTER WITH MULTIPLE TRANSMIT ANTENNAS USING POLARIZATION - A transmitter for transmitting data in a cellular radio system is provided. The transmitter transmits data to User Equipment(s) using multiple transmitting antennas, using at least two polarization formers generating orthogonal polarizations of an input data stream. The transmitter further comprises a transmitter diversity arrangement adapted to receive input data to be transmitted to the User Equipment(s), where the transmitter diversity arrangement is connected to the input terminals of the polarization formers. By combining transmitter diversity with polarization former weights, orthogonality between multiple, in particular 4, transmitting antennas can be obtained. | 05-03-2012 |
20120108297 | ANTENNA DEVICE FOR A RADIO BASE STATION IN A CELLULAR TELEPHONY SYSTEM - The invention discloses an antenna device for a radio base station in a cellular telephony system, which comprises a first and a second input connection for a first (D | 05-03-2012 |
20120274514 | BEAMFORMING METHODS AND APPARATUSES - A method is provided for using an antenna array to create two beams (a first beam and a second beam). In one aspect, the method uses dual polarization beam forming, which allows for many degrees of freedom in designing a desired power pattern. The method is well suited for systems with multiple radio chains (e.g., systems with active antennas). The method is also well suited for multi-port systems such as TD-SCDMA. In some embodiments, the method produces two beams where (a) the shape of the power beam pattern for the first beam and the shape of the power beam pattern for the second beam are the same (or substantially the same) in a plurality of directions of interest and (b) the beams have orthogonal (or substantially orthogonal) polarizations in the coverage area. | 11-01-2012 |
20120319920 | COMMUNICATION SYSTEM NODE COMPRISING A RE-CONFIGURATION NETWORK - The present invention relates to a node ( | 12-20-2012 |
20120326928 | COMMUNICATION SYSTEM NODE COMPRISING A TRANSFORMATION MATRIX - The present invention relates to a node ( | 12-27-2012 |
20130038506 | PLANAR ARRAY ANTENNA WITH REDUCED BEAMWIDTH - The present invention relates to a node ( | 02-14-2013 |
20130120191 | Method, Apparatus and System of Antenna Array Dynamic Configuration | 05-16-2013 |
20130223330 | REPEATER DEVICE - The invention relates to a repeater arrangement for amplifying a communication link between a base station and user equipment, wherein the communication link comprises an uplink and a downlink utilizing frequencies within a coherence bandwidth. The repeater arrangement comprises: a first antenna for communication with the base station; a second antenna for communication with the user equipment; an amplifying device operatively connected to the first antenna and to the second antenna for conveying and amplifying communication signals between the first antenna and the second antenna, the amplifying device comprising a first signal path for the uplink and a second signal path for the downlink, the first and second signal paths having equal electrical length, in order to affect said communication signal identically in both uplink and downlink, providing same phase and amplitude characteristics to said communication signal. | 08-29-2013 |
20130235806 | ANTENNA ARCHITECTURE FOR MAINTAINING BEAM SHAPE IN A RECONFIGURABLE ANTENNA - A node in a wireless communication system comprising an antenna array with at least a first antenna function and a second antenna function. The node further comprises a first radio chain and a second radio chain, where each antenna function is connected to a base band via a corresponding radio chain. Each radio chain comprises an oscillator, a splitter and a multiplexer, each oscillator being arranged to feed a signal with a unique frequency band to the splitter in the same radio chain. The splitter is arranged to divide the signal into at least two signal parts and feed each part to the multiplexer of each radio chain such that each multiplexer in the node receives signal parts from each splitter in the node. The splitter is arranged to weight the division of the signal into the signal parts in dependence of the frequency bands fed by each oscillator. | 09-12-2013 |
20130307752 | Antenna Configuration Provides Coverage - The invention provides an antenna arrangement for a wireless communication system arranged to have at least one transmit mode and at least one receive mode, the arrangement comprising at least three directional antennas in an antenna configuration. Each directional antenna is arranged to have an azimuthal radiation pattern shaped as a beam, each beam covering an angular sector, such that a combined radiation pattern of all beams in a first transmit mode is arranged to provide a full 360° omnidirectional coverage. By combining localization and polarization of the directional antennas an omnidirectional radiation pattern substantially without null-depths in the azimuthal plane can be created when the radiation pattern of the directional antennas are combined. | 11-21-2013 |
20140079156 | Signal Combiner, Method, Computer Program and Computer Program Product - It is presented a signal combiner for combining transmission signals to foe supplied to four antennas devices, wherein two of the antenna devices are polarised in a first orientation and two of the antenna devices are polarised in a second orientation essentially orthogonal to the first orientation. The signal combiner comprises: four input connections arranged to receive the transmission signals; four output connections arranged to drive a respective one of the four of antenna devices using respective output signals. The signal combiner is arranged to combine transmission signals supplied on each input connection to all of the four output connections using beam forming and phase adjustment, such that, in use, each supplied transmission signal generates a central beam polarised in the first orientation and a side beam polarised in the second orientation, It is also presented a corresponding method, computer program and computer program product. | 03-20-2014 |
20140092835 | Radio Resource Assignment Coordination in Superdense Networks - A network controller as well as a method in a network controller for coordinating resource assignments to radio access points of a superdense, SDN, network is provided. The method comprises identifying a set of radio access points in the SDN network whose respective radio resource assignment is to be independently coordinated. The method also comprises obtaining interference information indicative of the extent to which radio transmissions to or from different radio access points in the set would interfere with one another absent radio resource assignment coordination. The method then forms subsets of the radio access points in the set based on this obtained interference information. The method also assigns different subsets of radio resources to the different subsets of the radio access points, and reports assignment information to the radio access points in the set, indicating the assignment of radio resources. | 04-03-2014 |
20140119259 | Adaptive Filtering Architecture - The invention provides a node for use in a wireless communication system comprising at least two Tx-chains and at least two Rx-chains. A first means for a switch and filter network function MSN is arranged across all Tx-chains. The first MSN is arranged to output one antenna sector signal comprising: a radio sector signal, or a split radio sector signal, the splitting of a radio sector signal allowing one radio sector signal to feed sector antennas in more than one sector, each sector having at least one sector antenna. The first or a second MSN can also be arranged across Rx-chains. The invention also provides a method to reduce power consumption in a node and a wireless communication system comprising the node. | 05-01-2014 |
20140120923 | ARRAY ANTENNA ARRANGEMENT - A wireless communication system comprising at least one base station in a communication cell, wherein the base station is equipped with at least one array antenna comprising at least two antenna ports which are connected to respective at least two corresponding antenna elements, wherein at least two of the at least two antenna elements have essentially the same polarization. The array antenna is arranged for communication via at least two antenna radiation lobes, each antenna radiation lobe communicating an information stream to at least one user equipment (UE) in the cell, wherein each antenna radiation lobe is individually controllable both in azimuth and elevation, whereby the communication of the information streams is optimized. | 05-01-2014 |
20140362732 | METHOD AND RADIO BASE STATION FOR ANTENNA/NETWORK RECONFIGURATION - A radio base station and a method therein are provided for probing of alternative network configurations, the radio base station employing a first network configuration comprising a pilot when serving at least one UE. The method comprises determining a second network configuration comprising at least one associated probing pilot and transmitting, to the at least one UE, both the at least one probing pilot of the second network configuration and the pilot of the first working network configuration, from at least one reconfigurable antenna system. The method further comprises receiving, from the at least one UE, reports regarding measurements performed by the UE on both the at least one probing pilot of the second configuration and the pilot of the first working network configuration. Further, the method comprises determining which network configuration to employ based on the received reports, and employing the determined network configuration. | 12-11-2014 |