Match Document Document Title
US20140177740 HEXAGONAL CONSTELLATIONS AND DECODING SAME IN DIGITAL COMMUNICATION SYSTEMS  
Embodiments of the invention provide a method of decoding of hexagonal constellations. The decoding methods exploit the inherent structure of the hexagonal grid to eliminate/minimize the...
US20110216843 TECHNIQUES TO REDUCE FALSE DETECTION OF CONTROL CHANNEL MESSAGES IN A WIRELESS NETWORK  
A method and system of reducing false detection of control channel messages in a wireless communication system. This facilitates blind detection of control channel messages in the wireless...
US20120294380 METHOD FOR SELECTING USER  
Disclosed herein is a method for selecting a user. A method for selecting a user in a communication system including a base station having M antennas and K users having one receive antenna...
US20110002263 BEAMFORMING USING BASE AND DIFFERENTIAL CODEBOOKS  
Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may...
US20110249644 ALLOCATING RESOURCE UNITS TO A MOBILE STATION  
Various example embodiments are disclosed. According to one example, a method may include permuting, by a superordinate station in a wireless network, physical resource units to logical resource...
US20110142147 MULTI-RANK PRECODING MATRIX INDICATOR (PMI) FEEDBACK IN A MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) SYSTEM  
In at least some embodiments, a system includes a multiple-input multiple-output (MIMO) base station and a plurality of MIMO user equipment (UE) devices in communication with the MIMO base...
US20140198865 OFDM PILOT AND FRAME STRUCTURES  
A coax network unit (CNU) receives a first plurality of orthogonal frequency-division multiplexing (OFDM) symbols from a coax line terminal (CLT). The first plurality of OFDM symbols includes...
US20140369434 System and Method for Designing and Using Multidimensional Constellations  
A method for generating a codebook includes applying a unitary rotation to a baseline multidimensional constellation to produce a multidimensional mother constellation, wherein the unitary...
US20130034176 ROBUST LINEAR PRECODER DESIGNS FOR MULTI-CELL DOWNLINK TRANSMISSION  
Methods and systems for optimizing the utilities of receiver devices in a wireless communication network are disclosed. Precoder design formulations that maximize a minimum worst-case rate or a...
US20110194631 UNIFIED FEEDBACK FRAME FOR SUPPORTING A PLURALITY OF FEEDBACK MODES AND A MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) COMMUNICATION SYSTEM USING THE UNIFIED FEEDBACK FRAME  
Provided is a multiple-input multiple-output (MIMO) communication system that may provide a plurality of feedback modes. A receiver may feed back, to a transmitter, a base codeword indicator...
US20100322176 Multiple CQI Feedback for Cellular Networks  
Single user and multiuser MIMO transmission in a cellular network may be performed by a base station (eNB) transmitting either one or two transmission layers. A user equipment (UE) receives a...
US20140169487 TRAFFIC AWARE COMMON PILOT CONFIGURATION  
The present disclosure relates to a method for common pilot configuration, the method comprising steps of: determining information related to UEs served by a BS; and configuring transmission of at...
US20110103494 FRAME STRUCTURE FOR SUPPORT OF LARGE DELAY SPREAD DEPLOYMENT SCENARIOS  
A frame structure for support of large delay spread deployment scenarios (e.g., cellular system operation in large cell sizes or low frequency bands) is generally presented. In this regard a...
US20150124894 System and Method for Trellis Coded Quantization with Selective Feedback and Interpolation  
A method for providing channel feedback includes receiving a signal from a transmission point (TP), estimating channel parameters from the signal as received, mapping the estimated channel...
US20090110088 System and Method for Providing a Versatile RF and Analog Front-End for Wireless and Wired Networks  
Embodiments related to analog front-ends for wireless and wired are described and depicted.
US20110280326 METHOD FOR CLUSTERING MULTIPLE STATIONS  
A method for clustering multiple stations for a MIMO communication system comprises the steps of: assigning a plurality of stations of a MIMO communication system to a plurality of clusters,...
US20130202055 METHOD AND SYSTEM FOR ACTIVATION OF PERFORMANCE ENHANCEMENTS FOR MOBILE DEVICES  
A software upgrade application can be downloaded to a handset to selectively enable enhanced functionality physical layer circuitry. In a particular implementation, an OFDM handset or other...
US20140192914 METHOD, DEVICE AND SYSTEM FOR SETTING A WEIGHT FEEDBACK GRANULARITY  
Provided in the embodiments of the present invention are a method, a device and a system for setting a weight feedback granularity, relating to communication technologies, which solve the problem...
US20110045831 User Grouping Method For Inter-cell Interference Coordination in Mobile Telecommunication  
A user grouping method for inter-cell interference coordination technology in mobile telecommunication systems using the handover information and measured data that were defined in existing mobile...
US20110261774 Uplink Control Signaling in Cellular Telecommunication System  
A method, apparatus, and computer program for controlling allocation of control message fields in uplink transmission in a cellular telecommunication system are presented. Uplink control message...
US20130136200 METHOD OF TRANSMITTING FEEDBACK INFORMATION IN A MIMO COMMUNICATION SYSTEM AND DEVICE THEREOF  
The present invention provides a method of providing feedback information in a user equipment of a communication system based on MIMO, comprising: determining a first latest measured long-term...
US20120026991 FEEDBACK SCHEME FOR MU-MIMO  
Embodiments of a system and method for managing feedback in a MU-MIMO system. An access point can announce one or more of mobile stations that are to receive downlink information in a first frame....
US20100309996 Method of Transmitting Feedback Information for Performing Collaborative Mimo  
A method of transmitting information necessary for performing collaborative multi input multi output (MIMO) operation between a mobile station and a base station in order to improve reception...
US20110007831 FRAME TRANSMISSION METHOD IN A WIRELESS COMMUNICATION SYSTEM  
A frame transmission method in a wireless communication system comprises setting a primary frame including a multiplicity of primary sub-frames, setting a secondary frame including a multiplicity...
US20110158334 PARAMETER AND SCATTERED PILOT BASED SYMBOL TIMING RECOVERY  
Methods and systems to resolve the cyclic time ambiguity of a scattered pilot based channel impulse response, including to determine a channel impulse response from a combination of scattered...
US20130064315 Progressive Feedback For High Resolution Limited Feedback Wireless Communication  
A system and method is proposed for progressively quantizing channel state information for application in a MIMO (multiple input multiple output) communication system. A method includes computing...
US20130044828 Method of Handling Power Reduction at Transmitter and Related Communication Device  
A method of arranging a frame for power reduction, utilized in a transmitter in a communication system is disclosed. The transmitter communicates with a receiver in the communication system. The...
US20130329818 PILOT DESIGN FOR WIRELESS SYSTEM  
The description herein relates to pilot designs for an Orthogonal Frequency Division Multiplexing (OFDM) based communication system. In at least one embodiment, the communication system is one...
US20150256298 Encoding Hybrid Automatic Repeat Request Acknowledgements in a Multi-Antenna Wireless Communications System  
There is provided a method performed by a User Equipment, UE, for encoding Hybrid Automatic Repeat Request, HARQ, Acknowledgements, (START ACK/NACK, in a multi-antenna wireless communications...
US20130287130 CHANNEL ESTIMATION FOR WIRELESS SYSTEMS WITHOUT MATRIX INVERSION  
In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by...
US20100322329 METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING UPLINK BANDWIDTH REQUEST INFORMATION IN WIRELESS COMMUNICATION SYSTEM  
Methods and apparatus are provided for requesting uplink Bandwidth (BW) over a BW Request (REQ) channel in an Orthogonal Frequency Division Multiple Access (OFDMA) communication system. A BW REQ...
US20110249764 RADIO PARAMETER GROUP GENERATING APPARATUS, TRANSMITTER AND RECEIVER  
An apparatus for generating sets of radio parameters includes a first deriving unit deriving a set of radio parameters for specifying a symbol including an effective symbol part with the same...
US20110038434 RADIO PARAMETER GROUP GENERATING APPARATUS, TRANSMITTER AND RECEIVER  
An apparatus for generating sets of radio parameters includes a first deriving unit deriving a set of radio parameters for specifying a symbol including an effective symbol part with the same...
US20100054236 Methods for Over-the-Air Blind Synchronization of Two OFDMA-Based Networks that Minimizes Interference and By Using an Extended Correlation Window Length  
Synchronization of a macrocell network with one of its sub networks (e.g., a femtocell network, a microcell network) is important for reducing the level of inter-carrier interference (ICI) that...
US20120201314 APPARATUS AND METHOD FOR REDUCING PEAK TO AVERAGE POWER RATIO THROUGH RECOMBINATION OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYMBOL  
There are provided an apparatus and a method for reducing a peak to average power ratio (PAPR) through the recombination of an orthogonal frequency division multiplexing (OFDM) symbol. The...
US20110038433 CODEBOOK SEARCHING APPARATUS AND METHOD THEREOF  
Exemplary embodiments of the present disclosure propose multiple codebook searching methods for a receiver in a communication system, wherein the communication system uses a codebook having L...
US20110293026 METHOD FOR THE BLIND ESTIMATION OF OFDM MODULATION PARAMETERS ACCORDING TO A MAXIMUM LIKELIHOOD CRITERION  
The present invention relates to a method for blind estimation of at least one parameter of an OFDM signal according to a maximum likelihood (ML) criterion. In one embodiment, the estimation...
US20120224649 MULTI-RESOLUTION PRECODING CODEBOOK  
Systems and methods are for generating a codebook by: generating a multi-resolution codebook by selecting a common precoder index from a low resolution codebook for a group of adjacent resource...
US20090279621 Signal converter and multimedia system using the same  
In a signal converter and a multimedia system using the same, the multimedia system includes an image capture device, a first signal converter, a second signal converter. The image capture device...
US20110135024 PRECODING MATRIX DESIGN METHOD FOR MULTIPLE BASE STATION USING MIMO TECHNIQUE  
Provided is a precoding matrix design method for a cooperative communication of multiple base stations in a multiple input multiple output (MIMO) communication system. A method of designing a...
US20130128998 TRANSMITTER, RECEIVER, MOBILE COMMUNICATION SYSTEM AND SYNCHRONIZATION CHANNEL  
A transmitter includes an amplitude adjustment unit multiplying an amplitude adjustment sequence value for adjusting amplitude with a synchronization channel transmitted from a base station for...
US20130034175 APPARATUS AND METHOD FOR ESTIMATING CHANNEL IN OFDM/OFDMA BASED WIRELESS COMMUNICATION SYSTEM  
A method for transmitting pilots in a wireless communication system includes generating first two pilots for a first antenna. Second two pilots for a second antenna are generated by multiplying...
US20120087424 Uplink Precoding For Retransmission Without Explicit Precoding Instruction  
A method in a wireless communication device includes receiving precoding matrix information including first and second precoding submatrices, transmitting a first transport block from a first set...
US20140169488 NARROW-BAND PREAMBLE FOR ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING SYSTEM  
A method of signal generation includes selecting a subset of contiguous OFDM symbols from a set of contiguous OFDM symbols, selecting a subset of contiguous subcarriers from a set of subcarriers,...
US20130022090 Dynamic Cyclic Prefix Mode for Uplink Radio Resource Management  
Systems and methods can be implemented on a base station and one or more mobile devices to use dynamic cyclic prefix mode for uplink radio resource management. A base station may receive an uplink...
US20110211537 Methods for in-band overlay of small cells in macro cells  
Provided is a method that includes determining a binary sequence based on a number of symbols in a frame associated with a macro cell. The method further includes performing an autocorrelation...
US20150222466 METHOD AND SYSTEM FOR ADAPTIVE GUARD INTERVAL (GI) COMBINING  
Methods and systems are provided for adaptive guard interval (GI) combining. When a signal carrying at least one symbol that is preceded by a guard interval that comprises a portion of the symbol...
US20140023154 Enhanced Multi User MIMO Scheduling  
A spatial multiplexing scheduler in, for example, an eNB or other base station, determines rank n precoders for UEs. Each UE reports the preferred precoder from this set of rank n precoders. The...
US20100166088 METHOD AND SYSTEM FOR OFDM SYMBOL TIMING RECOVERY  
A method and system for OFDM symbol timing recovery is described. A symbol timing recovery module of an OFDM receiver is configured to determine an optimum trigger point for performing a discrete...
US20100309796 REDUCED-COMPLEXITY EQUALIZATION WITH SPHERE DECODING  
Techniques for spherical decision-feedback sequence estimation are disclosed. A received signal is equalized by forming a trellis comprising a plurality of stages, each stage corresponding to a...