Abstract: Throughput conditions limited by multiplicative noise may be improved by distributing a transmission power across MIMO data streams communicated between MIMO communication nodes. In particular, the transmission power is distributed based on knowledge at the transmitter of the MIMO channel to decrease the transmission power allocated to one or more of the data streams associated with a dominant signal path relative to the transmission power allocated to one or more data streams associated with a weaker signal path to increase at least one of a quality and a throughput condition of the MIMO channel.

Abstract: An antenna (100,200,300, 400, 500) comprising first (110, 210, 310, 410, 430) and second (120, 220, 320, 420, 440) structures for guiding electromagnetic waves, each comprising groups (111, 130, 150, 230, 330; 140,160, 240, 340, 445, 470) of radiation elements. For adjacent sections in 5 the structures, at least one applies: ?Groups of radiation elements are distributed along the two structures such that a group (110, 130, 150) in the first structure overlaps a group (120, 140,160) in the second structure partially or not at all. ?Radiation elements within said groups (230; 240) exhibit a common 10 main direction of extension within the group, and differs between the first and the second groups by an angle of at least 10 degrees. ?The radiation elements of the groups (330, 340) are distributed along the structures (310, 320) on sides of the structures which face different directions.

Abstract: Mobility-based radio resource assignment methods, systems and devices can assign user equipment to different nonoverlapping groups of radio resources depending on mobility of the user equipment. The groups of radio resources are nonoverlapping in time, frequency and/or code. For example, the groups of radio resources can include different pilot symbol densities, link adaptation and/or scheduling algorithms. The radio resources may be Long Term Evolution (LTE) radio resources.

Abstract: The method and apparatus disclosed herein improve throughput conditions limited by multiplicative noise by determining precoder weights for each data stream communicated between a MIMO transmitter node and a MIMO receiver node. The precoder weights are determined based on information derived from non-precoded reference symbols to decrease the energy allocated to the dominant signal path relative to the energy allocated to the non-dominant signal paths.

Abstract: The MIMO method and apparatus disclosed herein improve throughput conditions limited by multiplicative noise by reducing the gain of the data streams associated with one or more dominant signal paths between MIMO communication nodes. As used herein, multiplicative noise refers to any noise dependent on or proportional to a signal strength at a transmitting node and/or a receiving node of a wireless communication network. An additional method and apparatus are included for determining that multiplicative noise limits the throughput conditions.

Abstract: The present invention relates to a motion detector device comprising a receiver arranged for reception of at least one electromagnetic signal constituted by a corresponding transmitted electromagnetic signal being transmitted by a corresponding source and influenced by a corresponding channel. The motion detector device comprises predetermined information regarding each transmitted electromagnetic signal. The motion detector device further comprises analyzing means arranged to analyze all components of the received signal to determine how certain parameters of each transmitted electromagnetic signal are influenced by each corresponding channel by means of the predetermined information. The analyzing means is also arranged to analyze the temporal variation of said certain parameters during a certain time. It is determined if said temporal variation exceeds a predetermined threshold. The present invention also relates to a corresponding method.

Abstract: The MIMO method and apparatus disclosed herein improve throughput conditions limited by multiplicative noise by reducing the gain of the data streams associated with one or more dominant signal paths between MIMO communication nodes. As used herein, multiplicative noise refers to any noise dependent on or proportional to a signal strength at a transmitting node and/or a receiving node of a wireless communication network. An additional method and apparatus are included for determining that multiplicative noise limits the throughput conditions.

Abstract: Throughput conditions limited by multiplicative noise may be improved by distributing a transmission power across MIMO data streams communicated between MIMO communication nodes. In particular, the transmission power is distributed based on knowledge at the transmitter of the MIMO channel to decrease the transmission power allocated to one or more of the data streams associated with a dominant signal path relative to the transmission power allocated to one or more data streams associated with a weaker signal path to increase at least one of a quality and a throughput condition of the MIMO channel.

Abstract: The method and apparatus disclosed herein improve throughput conditions limited by multiplicative noise by determining precoder weights for each data stream communicated between a MIMO transmitter node and a MIMO receiver node. The precoder weights are determined based on information derived from non-precoded reference symbols to decrease the energy allocated to the dominant signal path relative to the energy allocated to the non-dominant signal paths.

Abstract: A functional, primary display means comprises a number of first, small pixel elements and comprises or communicates with image generating means for generation of a high resolution miniature image. A main display means comprises a dielectric material which is transparent to radio-, and/or millimeter waves and/or microwaves and comprises a number of second, passive, pixel elements substantially corresponding to, and considerably larger than, the first pixel elements. Each first pixel element is connected to a second pixel element by an optical transmission means for transfer of optical image information. The main display means is adapted to visually represent the transferred optical information as an enlarged image and receiving/transmitting means for communication of radio-, millimeter wave or microwave signals are arranged in or on the main display means such that reception/transmission can take place substantially independently of the optical representation.

Abstract: The present technology relates to a channel estimator configured to operate based on a discrete wave channel model and measured channel responses between a transmitter having at least one transmit antenna and a receiver having at least one receive antenna. The channel estimator comprises a windowed likelihood determiner and a maximization processor. The windowed likelihood determiner is configured to determine a windowed likelihood function based on the measured channel responses, a selected window function, and modeled channel responses defined based on a number of discrete waves according to the discrete wave channel model. The maximization processor is configured to perform maximization of the windowed likelihood function, using initial input in the form of at least one of predetermined wave propagation delay(s) and predetermined wave propagation direction(s) for at least one of the discrete waves, to extract the wave parameters of the discrete waves.

Abstract: An antenna arrangement 30 comprising a leaky cable 31 is disclosed. The leaky cable 31 includes subsections 32, 33, 34 and each subsection exhibits a longitudinal direction of extension L32, L33, L34 and a radiation pattern. The longitudinal directions of adjacent subsections are oriented in different directions to create a predetermined radiation pattern by superpositioning of the radiation pattern of each subsection. Additionally, a method of creating a predetermined radiation pattern of such an antenna arrangement 30 is described.

Abstract: An antenna arrangement comprising at least a first and a second elongated structure, e.g., a coaxial cable, for guiding an electromagnetic wave is provided. Each of said structures comprises a plurality of radiation elements. The structures are positioned alongside each other in their longitudinal direction of extension forming a bundle. The elongated structures are arranged within the bundle such that the radial positions of said structures are alternated in the longitudinal direction of extension.

Abstract: The present invention relates to a method for adapting transmission parameters in a transmitter Tx in communication with at least one antenna 27; 38; 47; 57; 77, 88. The method comprises: transmitting a signal from the transmitter Tx measuring at least one reflection coefficient S11 of said signal for each antenna 27; 38; 47; 57; 77, 88, and adapting the transmission parameters based on the measured reflection coefficient S11. The antenna could be a transmit antenna and/or a receive antenna. In a preferred embodiment antenna calibration may be performed by measuring propagation time for each individual transmitter chain 481, 482; 781, 782, and compensate for differences in time delay between the individual transmitter chains 481, 482; 781, 782 to assure that the signal is transmitted simultaneously from all transmit antennas.

Abstract: The present invention relates to a display arrangement comprising a display means and receiving and/or transmitting means adapted to be arranged in association with said display means. An optically transparent and electrically conductive layer structure is adapted to be provided on the display means. Said optically transparent and electrically conductive layer structure is arranged or structured to form a plurality of receiving and/or transmitting elements constituting said receiving and/or transmitting means. Feeding and/or controlling means are provided to individually or groupwise feed and/or control said receiving and/or transmitting elements.

Abstract: 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.

Abstract: The present invention relates to a method of improving the performance of a mobile radio communications system comprising at least one stationary radio transmitter for communicating with user equipments in the communications system, wherein the radio transmitter is connected to an antenna system for which the antenna pattern can be varied, the method comprising: receiving direction-of-propagation information relating to a plurality of user equipment transmission samples; selecting, based on the direction-of-propagation information, active directions for the communication of common channels from the radio transceiver; and adjusting the antenna pattern used for communication of common channels in accordance with the selected active directions in a manner so that the gain of at least one direction which has not been selected as active is lower than the gain of the selected active directions.

Abstract: An antenna (100,200,300, 400, 500) comprising first (110, 210, 310, 410, 430) and second (120, 220, 320, 420, 440) structures for guiding electromagnetic waves, each comprising groups (111, 130, 150, 230, 330; 140,160, 240, 340, 445, 470) of radiation elements. For adjacent sections in 5 the structures, at least one applies: ?Groups of radiation elements are distributed along the two structures such that a group (110, 130, 150) in the first structure overlaps a group (120, 140,160) in the second structure partially or not at all. ?Radiation elements within said groups (230; 240) exhibit a common 10 main direction of extension within the group, and differs between the first and the second groups by an angle of at least 10 degrees. ?The radiation elements of the groups (330, 340) are distributed along the structures (310, 320) on sides of the structures which face different directions.

Abstract: Method and arrangement in a mobile terminal in a wireless communication system, for supporting a handover from a serving cell to a target cell. The method comprises determining 104a if the mobile terminal has moved in a predefined way in relation to at least one potential target cell. The determining is based on Doppler shift measurements 102a. The method further comprise adjusting 106a at least one handover related parameter, in order to enable a fast handover, when it is determined that the mobile terminal has moved in the predefined way in relation to the at least one potential target cell.

Abstract: The present invention relates to a display arrangement comprising display means (304) and receiving and/or transmitting means for radio waves, millimeter waves or microwaves. An electrically conductive structure (6A) is adapted to form said receiving and/or transmitting means. The display means (3O4) comprises an emission layer with a number of light emitting elements or pixel elements (531, . . . , 535). The electrically conductive structure (6A) is provided between said light emitting elements (531, . . . , 535) to form said receiving and/or transmitting means such that they are integrated with the display means (3O4). Light conducting means (731, . . . , 735) are provided to conduct light through the electrically conductive structure (6A) to represent imaging information on top of the display means.