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| Number | Title | Issue Date |
| 8190211 | System, apparatus, and method for asymmetrical beamforming with equal-power transmissions The present invention provides a plurality of embodiments for beamforming in an asymmetrical system wireless communication system (400) of NT (102i) transmit antennae and NR (104j) receive antennae whe... | 05/29/2012 |
| 8185161 | Method and system for controlling a direction of a receive beam produced by an antenna connected to at least two base stations A mobile-radio base station for a telecommunications system includes vector modulator means for independently controlling the phase and/or amplitude of a plurality of component signals representative of the signal to be transmitted or received, such that when these ... | 05/22/2012 |
| 8185162 | Electrically tilted antenna system with polarisation diversity An electrically tilted antenna system with polarization diversity has a dual polarized, tilt adjustable antenna (32). The antenna (32) has dipoles (34, 36) of two orthogonal polarizations associated with independently adjustable electrical tilt ... | 05/22/2012 |
| 8185160 | Techniques for providing efficient transmit diversity and bandwidth segmentation in a wireless communication system Wireless communication techniques for cellular deployment of wireless communication systems with transmitters in each cell to have partially overlapped transmission patterns between two adjacent transmitters. Implementations of the described techniques can provide t... | 05/22/2012 |
| 8180404 | Sharing antennas for increased multiple-input uplink reception The claimed subject matter facilitates sharing antennas among carriers co-located at a base station such to increase throughput of the individual carriers. Thus, the carriers can effectively receive multiple-input/multiple-output (MIMO) from mobile devices though th... | 05/15/2012 |
| 8175649 | Method and system for real time control of an active antenna over a distributed antenna system A method and system suitable for supporting wireless medical telemetry services (MTS) on a Distributed Antenna System (DAS). A DAS can provide wireless services including voice and data services using the same equipment. WMTS systems can include one or more active a... | 05/08/2012 |
| 8175648 | Super economical broadcast system and method A super economical broadcast system and method are provided. The system includes a plurality of base transceiver stations that define a plurality of respective cells, each base transceiver station includes a phased-array antenna having a plurality of sectors, each s... | 05/08/2012 |
| 8170617 | Extensions to adaptive beam-steering method A radio frequency (RF) transmitter is coupled to and controlled by a processor to transmit data. A physical layer circuit is coupled to the RF transmitter to encode and decode between a digital signal and a modulated analog signal. The physical layer circuit compris... | 05/01/2012 |
| 8170618 | Measuring signal strength in a multiple-input multiple-output antenna environment A wireless communication device is operated in a M by N multiple-input multiple-output (MIMO) mode. M is the number of antennas transmitting to the communication device from a first base station. N the number of receiving antennas and receivers. M and N are integers... | 05/01/2012 |
| 8165637 | Multiple input multiple output (mimo) antenna system adaptable for environmental multiplicity A Multiple Input Multiple Output (MIMO) antenna system adaptable to an environmental multiplicity is provided. A MIMO antenna system includes a first antenna element, a second antenna element, a receiver for receiving at least one of different polarized signals thro... | 04/24/2012 |
| 8160648 | Method and apparatus for receiver diversity control in wireless communications Receiver diversity in a wireless device is controlled in response to operating conditions, transmission requirements, and control settings. The control of diversity reduces power consumption by enabling receive diversity on given conditions. Operating conditions, tr... | 04/17/2012 |
| 8160647 | Filter system for use in co-site and control method thereof A co-site including at least two antenna/base transceiver station pairs operating on different frequency bands has a filter system that includes a first filter including a low band control port, a high band control port, a low band diversity port, and a high band di... | 04/17/2012 |
| 8150469 | Adaptive array base station device and adaptive array base station device control method An array antenna forming unit (22) combines at least two transmission/reception devices (40) to thereby sequentially form one array antenna. Every time an array antenna is formed, an array antenna transmission/reception control unit (25) sends a... | 04/03/2012 |
| 8150470 | System and method for transmission parameter control for an antenna apparatus with selectable elements A system and method for improved data transmission on a wireless link to a remote receiving node includes a communication device for converting packets to RF at a physical data rate, an antenna apparatus having a plurality of antenna configurations for transmitting ... | 04/03/2012 |
| 8145272 | Pilot-based two-dimensional channel estimation Techniques are provided herein to estimate channel information based a received burst that is comprises of consecutive transmissions. Each transmission comprises a plurality of data subcarriers and a plurality of pilot subcarriers on a radio frequency (RF) channel, ... | 03/27/2012 |
| 8135439 | Resource scheduling in wireless communication systems using beam forming A basic idea of the invention is to provide multi-user resource scheduling and distribution based on balancing the power resources used for the different narrow beams in order to smooth the interference levels over the whole cell, area and to reduce interference flu... | 03/13/2012 |
| 8121646 | Method and system for equalizing cable losses in a distributed antenna system The invention is directed to a method and system for equalizing the signal losses over cable runs in a Distributed Antenna System (DAS). In a DAS, two or more antennae are connected to the system by cable runs that can vary widely in length. As a result, the signal ... | 02/21/2012 |
| 8121648 | Adaptive beamforming configuration methods and apparatus for wireless access points serving as handoff indication mechanisms in wireless local area networks In one illustrative example, a technique for use in operating a wireless access point (AP) for serving as a handoff indication mechanism in a first wireless network is described. The handoff indication mechanism is configured to communicate handoff indications in re... | 02/21/2012 |
| 8121647 | Transmitting and receiving method, and radio apparatus utilizing the same A processing unit transmits, from at least one of a plurality of antennas, data corresponding respectively to the plurality of antennas. A control unit generates request signals with which to let a second radio apparatus supply information on rates at the second rad... | 02/21/2012 |
| 8116822 | Multiple-antenna system for cellular communication and broadcasting A multiple-antenna system for use in cellular communication and broadcasting. The multiple-antenna transmission system can be controlled, adjusted, configured, or reconfigured to produce desirable radiation beam patterns suitable for different types of applications.... | 02/14/2012 |
| 8116819 | Arrangements for beam refinement in a wireless network A beamforming method is disclosed that includes performing sequential beam transmissions in multiple directions and receiving replies to the transmissions (i.e. a sector search). The received transmissions can include information or channel parameters such as direct... | 02/14/2012 |
| 8116818 | Method and system for transmitter beamforming A system and method are provided for improving the performance of a beamforming antenna array in a wireless communications system. A predetermined number of spatial signatures are observed for a communications channel between a base station and a mobile terminal dur... | 02/14/2012 |
| 8116821 | System and antenna for radio access networks An active antenna with an IP address including a first set of modules (Mi) and a second set of modules (M′j), both sets using a same hardware platform and each set integrating radiofrequency sub-modules. Further including at least an Ethernet connection to the cor... | 02/14/2012 |
| 8116820 | Method for transmitting data in multiple antenna system A method for transmitting data in a multi-antenna system includes determining a candidate mode in which a maximum upperbound approximation of an average total data rate is maximized as a transmission mode, selecting a user equipment to receive data by using the tran... | 02/14/2012 |
| 8108004 | Co-channel wireless communication methods and systems using relayed wireless communications Wireless communications are transmitted from at least two radioterminals to a base station co-channel over a return link using a return link alphabet. Wireless communications are also transmitted from the base station to the at least two radioterminals over a forwar... | 01/31/2012 |
| 8103312 | Method of using a quantized beamforming matrix from multiple codebook entries for multiple-antenna systems A quantized multi-rank beamforming scheme for multiple-antenna systems such as a multiple-input-multiple-output (MIMO) wireless downlink. User equipment (UE) estimates downlink channel and transmit power and determines rank and power allocations. A quantized beamfor... | 01/24/2012 |
| 8103311 | Omni-directional antenna supporting simultaneous transmission and reception of multiple radios with narrow frequency separation An omni-directional antenna supporting simultaneous transmission/reception, from the same AP, on multiple frequencies, allowing each AP to communicate using each possible frequency. Each AP multiplexes its outgoing signals onto its transmitting antenna, and de-multi... | 01/24/2012 |
| 8099131 | Method and system for antenna architecture for multi-antenna OFD based systems Certain aspects of a method and system for an antenna architecture for multi-antenna orthogonal frequency division (OFD) based systems are disclosed. Aspects of one method may include communicating data in a radio frequency (RF) system comprising a plurality of ante... | 01/17/2012 |
| 8099132 | Antenna switching and uplink sounding channel measurement Systems and methodologies are described that facilitate employing downlink precoding based on uplink sounding channel measurement and channel reciprocity in time division duplex or time division multiplex systems. In particular, mechanism are provided that enable do... | 01/17/2012 |
| 8099133 | Apparatus and a method for directing a received signal in an antenna system The present invention relates to an antenna system (1), a method and an apparatus (20) for directing a received signal (RX), along selected signal path/paths (12, 13, 14, 15), such that the operation of any of the radio base stations (40, 50 | 01/17/2012 |
| 8095185 | Estimation of angular parameters of a signal at an antenna array A method and an antenna array system are provided for estimating parameters of radio signals impinging on antenna arrays, for estimating angular parameters, for estimating angular distribution types, and for selecting types of antenna array processing. Models of ang... | 01/10/2012 |
| 8090412 | Multi-sector base station and shared processing information A communication system is described in which a receiver allocated to a sector of a communication network receives signals via all antennas of the network regardless of the sector allocation of the antenna. The system includes multiple antennas configured to form num... | 01/03/2012 |
| 8086272 | Wireless networks incorporating antenna selection based on received sounding reference signals A method and system selects antennas in a wireless network including a base station and user equipment (UE) transceivers. The base station specifies times and frequencies to transmit sounding reference signals (SRSs), and antennas to use to transmit the SRSs for the... | 12/27/2011 |
| 8086273 | Wireless communication method, wireless communication system, and wireless communication apparatus A wireless communication method MIMO communication using a wireless communication apparatus having N antennas includes performing first inverse-matrix determining processing which determines, using a channel matrix for a first antenna selected from the N antennas, a... | 12/27/2011 |
| 8078227 | Radio base station system, a node in a cellular mobile communications network, and a splitter device The invention relates to a radio base station system for mobile communications, a node in a cellular mobile communications network, as well as a splitter device for use in a radio base system. The radio base station system comprises a first antenna and at least a fi... | 12/13/2011 |
| 8073490 | Mobile station direction finding based on observation of forward link Beam-formed transmission from a transmitting wireless communication station to a receiving wireless communication station is supported by estimating a direction for the beamformed transmission. The receiving station reports to the transmitting station information ab... | 12/06/2011 |
| 8073491 | Communication system and method A communication system including a first station having at least two first narrow beam antennas and a second station having at least two second narrow beam antennas. The first and second stations establish a first communication path for wireless communication via a ... | 12/06/2011 |
| 8068876 | Beam wobbling for increased downlink coverage and capacity A method and apparatus for reducing signal interference within a cellular radio system to increase both coverage and capacity. The method and apparatus include altering the direction of beams within cell sectors is among discrete angular positions according to a pre... | 11/29/2011 |
| 8068877 | Systems and methods of antenna selection Systems and methods of controlling transmission of communications from a base station to a wireless communication station are provided. When the signal quality of communications between the base station and the wireless communication station are above a predetermine... | 11/29/2011 |
| 8068878 | System. method, and base station antenna for cellular radio coverage A system, method, and base station antenna for improved coverage in a cellular mobile telephony network. Each cell in the network has an area defined by azimuth and range limits. In the system, a first cell and a second cell are essentially adjacent to each other in... | 11/29/2011 |
