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US20130230119 MULTI-LEVEL CODING AND ITERATIVE DECODING USING SPARSE SPACE CODES  
A multi-level coding and iterative decoding scheme using sparse space codes as the inner-code and codes amenable to belief propagation decoding methods (such as low-density parity-check (LDPC)...
US20130114759 SYSTEM AND METHOD OF ENCODING AND TRANSMITTING CODEWORDS  
Systems and methods are provided for encoding and transmitting codewords. A message is encoded in two encoders. For at least one of the two encoders, the message is algebraically modified prior to...
US20110255631 METHODS AND APPARATUS FOR FAST SYNCHRONIZATION USING TAIL BITING CONVOLUTIONAL CODES  
For use in a wireless communication network, a transmitter is configured to encode a message field in a control channel message by cyclically shifting the control channel message according to the...
US20120207242 ADAPTIVE PUNCTURING TECHNIQUE FOR MULTICARRIER SYSTEMS  
Various embodiments are described for adaptive puncturing techniques.
US20090101726 AIR CONDITIONING SYSTEM, CONTROL UNIT AND OTHER COMPONENTS USED THEREWITH  
An air-conditioning system operable at different states employs a control unit including a receiver and a transmitter. The receiver is connected electrically to a switching device for a compressor...
US20150055730 Uplink Transmit Diversity  
The present disclosure discloses a method in a wireless access network node for controlling a UE. The UE comprises at least two transmit antennas, and is capable of uplink transmit diversity....
US20090046803 Transmitter and receiver for a wireless audio transmission system  
There is provided a transmitter for a wireless audio transmission system comprising at least one analog/digital converter unit for analog/digital conversion of the analog audio signals to be...
US20120236958 REDUCED POWER-CONSUMPTION TRANSMITTERS  
An exemplary embodiment discloses a digital control block for dynamically regulating power consumption of the transmitter; and a first driver amplifier circuit comprising a plurality of bias-modes...
US20110216846 METHOD AND USER EQUIPMENT FOR TRANSMITTING PRECODING MATRIX INFORMATION, AND METHOD AND BASE STATION FOR CONFIGURING PRECODING MATRIX  
An apparatus and method for a precoding matrix are disclosed. A codebook used for selecting a precoding matrix is comprised of m subgroups each including n precoding matrices. A user equipment...
US20110236026 Robot cleaner, docking station, robot cleaner system including robot cleaner and docking station, and method of controlling robot cleaner  
A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap...
US20150117568 ENABLING MODULATION MODE SELECTION  
It is presented a method, performed in a network node, for enabling selection of modulation mode for a user equipment, UE. The method comprises: determining whether to provide higher order...
US20110013720 METHOD AND APPARATUS FOR GENERATING RANGING PREAMBLE CODE IN WIRELESS COMMUNICATION SYSTEM  
A method and apparatus of generating a ranging preamble code in a wireless communication system is provided. A mobile station (MS) receives ranging channel information, and generates the ranging...
US20110268216 Transmitter Gain Control and Calibration  
Embodiments provide improved systems and methods of gain control and calibration for wireless transmitters. In particular, embodiments allow linear gain control over the entire transmitter gain...
US20110268219 Feedback Strategies For Constrained Codebooks Used in MIMO Precoding  
Methods and apparatus are disclosed for applying successive multi-rank beamforming strategies (e.g., successive precoding strategies) for the design of precoders over a set of parallel channels....
US20140334571 METHOD AND APPARATUS FOR ACQUIRING A PRECODING MATRIX INDICATOR AND A PRECODING MATRIX  
In the field of communication technologies, a method and an apparatus for acquiring a Precoding Matrix Indicator (PMI) and a Precoding Matrix (PM) are provided. The method includes: acquiring a...
US20130121437 METHOD AND APPARATUS FOR ACQUIRING A PRECODING MATRIX INDICATOR AND A PRECODING MATRIX  
In the field of communication technologies, a method and an apparatus for acquiring a Precoding Matrix Indicator (PMI) and a Precoding Matrix (PM) are provided. The method includes: acquiring a...
US20110299624 DEVICE AND METHOD FOR REALIZING PREFIX CODE CONSTRUCTION  
The present invention provides a device and method for realizing prefix code construction. The device includes a sort indexer, a generator and a sequence regulator. The sort indexer is used to...
US20130272445 PRECODING METHOD AND APPARATUS  
A precoding method and apparatus are disclosed. The corresponding method includes: constructing a Lagrange function according to a precoding matrix, transmit power, a receive filter matrix and a...
US20150256243 METHOD AND APPARATUS FOR ACQUIRING A PRECODING MATRIX INDICATOR AND A PRECODING MATRIX  
In the field of communication technologies, a method and an apparatus for acquiring a Precoding Matrix Indicator (PMI) and a Precoding Matrix (PM) are provided. The method includes: acquiring a...
US20100322342 METHODS AND APPARATUS TO ENCODE BANDWIDTH REQUEST MESSAGE  
A subscriber station is capable of encoding a bandwidth request message. The subscriber station includes a controller and a transmitter coupled to the controller. The transmitter includes a linear...
US20130294485 Antenna Configured for Use in a Wireless Transceiver  
The present application discloses various implementations of an antenna configured for use in a wireless transmitter, receiver, or transceiver. In one exemplary implementation, a wireless...
US20120163496 METHOD AND APPARATUS FOR GENERATING PRE-CODING MATRIX CODEBOOK  
This disclosure relates a method and apparatus for generating pre-coding matrix codebook. The method for generating pre-coding matrix codebook, comprising: acquiring a universal set of pre-coding...
US20120063533 Encoding and decoding using constrained interleaving  
Serially-concatenated codes are formed in accordance with the present invention using a constrained interleaver. The constrained interleaver cause the minimum distance of the serial concatenated...
US20130039281 SCRAMBLING CODE PLANNING DEVICE AND METHOD FOR USING SAME IN WIRELESS COMMUNICATION NETWORK  
A scrambling code planning device and method are described herein for allocating primary scrambling codes to sites (e.g., Node B's sites) within a wireless communication network. In addition, a...
US20130308719 SUPERPOSITION CODING FOR NETWORK COMMUNICATION  
The apparatus, systems, and methods described herein may operate to encode a first part of a message into an index, and to encode a second part of the message into a sequence of matrices such that...
US20140226750 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...
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...
US20110085508 RESOURCE ALLOCATION SIZE DEPENDENT TRANSPORT BLOCK SIZE SIGNALING  
The invention relates to a method for providing control signalling associated to a transport block in a mobile communication system. Furthermore, the invention also provides a receiving apparatus...
US20120321001 SHARING MULTI DESCRIPTION CODED CONTENT UTILIZING PROXIMATE HELPERS  
An apparatus, system, and method utilizing multi-description coding (MDC) and one or more cooperative helper nodes to send streaming content on an uplink to a client over multiple paths. The...
US20120027126 APPARATUS AND METHOD FOR CONSTELLATION REARRANGEMENT IN BROADBAND WIRELESS ACCESS SYSTEM  
An apparatus and a method for operating a transmitter supporting constellation rearrangement for 256-Quadrature Amplitude Modulation (QAM) in a broadband wireless access system are provided. The...
US20140126665 OUTPUT DRIVER WITH ADJUSTABLE VOLTAGE SWING  
A system adjusts a voltage swing of an output driver based on a supply voltage. A supply voltage monitor generates a digital code indicating the difference between the supply voltage and nominal...
US20110268220 Restricted Codebooks And Related Signaling To Perform Beamforming  
Methods and apparatus are disclosed for applying successive multi-rank beamforming strategies (e.g., successive precoding strategies) for the design of precoders over a set of parallel channels....
US20130156075 HYBRID CODEBOOK DESIGN FOR WIRELESS SYSTEMS  
Briefly, in accordance with one or more embodiments, a codebook for wireless transmissions may be generated by dividing a codebook into a fixed set of codewords and an adaptive set of codewords....
US20100329315 Transmitting Video Between Two Stations in a Wireless Network  
In accordance with some embodiments, a differential frame may be constructed, for example, by differencing frames or using an error prediction method. More frequently and less frequently used...
US20120002680 INTERRUPTION, AT LEAST IN PART, OF FRAME TRANSMISSION  
An embodiment may include circuitry to permit interruption, at least in part, of a first frame from a sender to an intended recipient in favor of transmitting, at least in part, a payload of a...
US20110187812 COMMUNICATION WALL PANEL, NURSING CARE SYSTEM HAVING COMMUNICATION WALL PANEL, AND CONFERENCE SYSTEM HAVING COMMUNICATION WALL PANEL  
A communication wall panel includes an interior panel member to be attached to a room as an interior wall material thereof; an information obtaining part provided in the interior panel member and...
US20130329816 LOW POWER STATE FOR DSL SYSTEM AND DEVICES  
Embodiments related to a power-saving state in DSL systems and devices are described and depicted.
US20110110455 RANK AND PRECODING INDICATION FOR MIMO OPERATION  
Certain aspects of the present disclosure relate to a technique for signaling rank and precoding indications in uplink and downlink MIMO operations using codebook and non-codebook based precoding.
US20110103510 RANK AND PRECODING INDICATION FOR MIMO OPERATION  
Certain aspects of the present disclosure relate to a technique for signaling rank and precoding indications in uplink and downlink MIMO operations using codebook and non-codebook based precoding.
US20120236960 QUADRATURE COMMUNICATIONS DEVICE WITH I ANTENNAS AND Q ANTENNAS AND RELATED METHODS  
A communications device may include In-phase (I) power amplifiers configured to respectively generate I amplified signals, Quadrature (Q) power amplifiers configured to respectively generate Q...
US20100027711 DIGITAL LINEAR TRANSMITTER ARCHITECTURE  
A digital linear transmitter for digital to analog conversion of a radio frequency signal. The transmitter includes a delta sigma (ΔΣ) digital to analog converter (DAC) and a weighted signal...
US20130287138 Pilot Design for OFDM Systems with Four Transmit Antennas  
Pilot, preamble and midamble patterns are provided that are particularly suited for four transmit antenna OFDM systems. Pilots are inserted in a scattered manner for each of the four antennas,...
US20110051842 EFFICIENT LINEAR LINC POWER AMPLIFIER  
Method for setup of parameter values in a RF power amplifier circuit arrangement (200), wherein the amplifier circuit arrangement (200) comprises a first (210) and a second (220) amplification...
US20130089162 LOW COMPLEXITY MAXIMUM LIKELIHOOD DETECTION OF CONCATENATED SPACE CODES FOR WIRELESS APPLICATIONS  
Good transmission characteristics are achieved in the presence of fading with a transmitter that employs a trellis coder followed by a block coder. Correspondingly, the receiver comprises a...
US20120328045 Time Varying Cyclic Delay Diversity of OFDM  
Methods and apparatuses that apply a time-varying delay to symbols to be transmitted from one or more antennas are provided.
US20140348261 SYSTEMS AND METHODS FOR COMMUNICATING USING ASK OR QAM WITH UNEVEN SYMBOL CONSTELLATION  
Systems and methods of performing ASK or QAM modulation with uneven distance between symbols are provided. These are used to provide differing BER performances among bits sent from a transmitter...
US20110164701 SYSTEMS AND METHODS OF ENCODING USING A REDUCED CODEBOOK WITH ADAPTIVE RESETTING  
To feedback MIMO channel conditions, a codeword from a codebook is selected. To reduce signalling, the codewords are organized into codeword subsets. The receiver signals an index of a codeword...
US20120300873 FORWARD ERROR CORRECTION WITH EXTENDED EFFECTIVE BLOCK SIZE  
In an aspect, in general, a forward error correction algorithm (FEC) utilizes an FEC block structure in a manner that extends the effective error correction such that it can approach an “infinite”...
US20120163489 PULSE SHAPING IN A COMMUNICATION SYSTEM  
A transmitter used in a communication system includes a raised cosine filter for transmit pulse shaping. A receiver in the communication system, designed to receive and demodulate transmissions...
US20130142101 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...