Matches 1 - 50 out of 299 1 2 3 4 5 6 >


Match Document Document Title
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...
US20110194401 REFERENCE SEQUENCE CONSTRUCTION FOR FAST CELL SEARCH  
A method and apparatus for fast cell search based on a chirp reference signal transmission is disclosed herein. A primary synchronization channel (P-SCH) and two secondary synchronization channels...
US20080137524 Location of Wideband OFDM Transmitters With Limited Receiver Bandwidth  
One illustrative embodiment takes the form of a system for locating wireless transmitters employing an Orthogonal Frequency Division Multiplexing (OFDM) digital modulation scheme. The OFDM scheme...
US20080170490 MULTIDIVERSITY HANDOFF IN A WIRELESS BROADCAST SYSTEM  
A wireless broadcast system that collects content for distribution over a wireless communication network. The content stream is encapsulated into a stream of transport packets for broadcast over...
US20120201120 METHODS OF UPLINK CHANNELIZATION IN LTE  
Methods of a slot-level remapping physical uplink control channels into two resource blocks respectively located at two slots of a subframe, are generally adapted to a 3GPP LTE physical uplink...
US20110242962 Method of Multiuser Mimo Wireless Communication and Device of Multiuser Mimo Wireless Communication  
The present invention achieves a communication speed close to a theoretical limitation with suppressing a computing amount and without increasing protocol overhead. In a multiuser MIMO wireless...
US20130058205 System and Method for Wireless Communications  
A system and method for wireless communications is provided. A method for operating in a communications network includes receiving a codebook, the codebook includes a plurality of codewords, and...
US20090046570 EIGEN-BEAMFORMING FOR WIRELESS COMMUNICATION SYSTEMS  
Techniques for sending multiple-input multiple-output (MIMO) transmissions in wireless communication systems are described. In one design, a transmitter sends a first reference signal via a first...
US20150188653 Determining Bitloading Profiles based on SNR Measurements  
With the introduction of orthogonal frequency division multiplexing (OFDM) technology in to communication channels in a cable network, cable modems that receive data downstream over subcarriers of...
US20140219075 METHOD FOR FREQUENCY DIVISION DUPLEX COMMUNICATIONS  
The high quality PCS communications are enabled in environments where adjacent PCS service bands operate with out-of-band harmonics that would otherwise interfere with the system's operation. The...
US20050147022 Preamble transmit power tailoring system, a method of tailoring preamble transmit power and an OFDM transmitter employing the same  
A preamble transmit power tailoring system for use with an Orthogonal Frequency Division Multiplexing (OFDM) transmitter, a method of tailoring preamble transmit power, and an OFDM transmitter. In...
US20080095036 SIGNAL TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM  
Interference management is provided through use of a user-based interference control and/or a network-based interference control. For user-based interference control, the terminals are informed of...
US20110044161 RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION METHOD, AND PROGRAM  
A radio communication system according to the present invention has a plurality of radio communication devices that transmit and receive subframes one by one. Each of the plurality of radio...
US20110032813 METHOD AND DEVICE FOR CONTROLLING UPLINK POWER  
A method for controlling uplink power is provided, which is used for implementing the uplink power control of the virtual multiple input multiple output system, so as to save the system resource....
US20110058469 WIDE AREA AND LOCAL NETWORK ID TRANSMISSION FOR COMMUNICATION SYSTEMS  
The embodiments utilize OFDM symbols to communicate network IDs. The IDs are encoded into symbols utilizing the network IDs as seeds to scramble respective pilots that are then transmitted by...
US20070206489 Codec integrated circuit, codec and methods for use therewith  
A codec includes an output module for converting a digital input signal into an analog output signal. A controller module monitors a plurality of status conditions and asserts a mute signal for...
US20070127358 Phase correction in a test receiver  
The claimed subject matter relates to analyzing performance of a transmitter. This can be accomplished, for instance, through partitioning a super frame into a plurality of segments, and...
US20130315050 CHANNEL SOUNDING AND ESTIMATION STRATEGIES FOR ANTENNA SELECTION IN MIMO SYSTEMS  
A method of antenna selection, in a MIMO system in which a transmitter having a first plurality of RF chains communicates with a receiver having a second plurality of RF chains, includes...
US20120263031 METHODS AND SYSTEMS FOR COMMUNICATING  
Methods and systems for communicating are disclosed. A method includes obtaining input communication symbols selected from a set of communication symbols, converting input communication symbols...
US20070291633 Transmitting Apparatus in Orthogonal Frequency Division Multiplexing Access System Capable of Controlling Gain for Variation of Sub-Channel Allocation and Method for Transmitting Data Thereof  
The present invention relates to a transmitter of an OFDMA system capable of controlling a gain for variation of subchannel allocation, and a method thereof. The transmitter includes a subchannel...
US20130315049 Noise Power Estimation Method  
A method for estimating noise power in a received signal that was transmitted using an orthogonal frequency division multiple access (OFDMA) modulation scheme in which pilot symbols are...
US20130194908 Method of Resource Allocation and Signaling for Aperiodic Channel Sounding  
A method for resource allocation. The method includes signaling a set of SRS subframes in which an SRS can be transmitted, wherein a UE not capable of aperiodic SRS transmission can be instructed...
US20100054114 MIMO beamforming method and method of constructing a differential codebook for a wireless network  
A MIMO beamforming method comprises receiving at a base station information regarding a difference between an ideal beamforming matrix and an averaged beamforming direction, using the information...
US20070206490 Applying features to packets in the order specified by a selected feature order template  
Disclosed are, inter alia, methods, apparatus, data structures, computer-readable media, mechanisms, and means for applying features to packets in an order specified by a selected feature order...
US20120236704 RESOURCE ALLOCATION METHOD AND APPARATUS OF MULTI-RELAY ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM  
A resource allocation method and apparatus of a multi-relay orthogonal frequency division multiplexing system are disclosed. The resource allocation method of a multi-relay orthogonal frequency...
US20070104085 VARYING SCRAMBLING/OVSF CODES WITHIN A TD-CDMA SLOT TO OVERCOME JAMMING EFFECT BY A DOMINANT INTERFERER  
Scrambling/OVSF codes are varied with a TD-CDMA slot to overcome jamming effects by a dominant interferer. Interference is detected and a scrambling code sequence is varied and employed to...
US20100157785 NEAR ML DECODING METHOD BASED ON METRIC-FIRST SEARCH AND BRANCH LENGTH THRESHOLD  
In this invention, we propose a near maximum likelihood (ML) method for the decoding of multiple input multiple output systems. By employing the metric-first search method, Schnorr-Euchner...
US20110116358 OFFSETTING BEACON POSITIONS IN A TIME DIVISION DUPLEX COMMUNICATION SYSTEM  
Systems and methodologies are described that facilitate generating and/or analyzing downlink transmission units in OFDM TDD environments. Beacon signals may be selectively inserted within downlink...
US20090022049 NOVEL SECURITY ENHANCEMENT STRUCTURE FOR MIMO WIRELESS NETWORK  
Techniques for enhancing the security and power efficiency of a multiple-input-multiple-output (MIMO) communication system are provided. In one embodiment, data packets are multiplexed by...
US20080013443 Transformer coupling of antennas  
Embodiments describe improved coupling of power amplifiers to antennas for the transmission of signals, such as OFDM signals. A large number of separate windings are utilized on a primary side,...
US20140321259 Methods and Apparatus in a Wireless Communication System  
The present invention relates to methods and apparatus in a RBS and a UE for reference signal (RS) measurements in an OFDM system, that enable having a configurable RS transmission bandwidth which...
US20110007624 Timeslot Sharing Using Unbalanced QPSK Modulation  
In a radio transmission scheme reusing slots such as by using Orthogonal Sub Channels (OSC) in the downlink channel a parameterized, hybrid quaternary modulation is employed. In the hybrid...
US20120014243 Allocation and Logical to Physical Mapping of Scheduling Request Indicator Channel in Wireless Networks  
A method for allocating resources for a scheduling request indicator (SRI) is disclosed. An SRI cycle period for use by user equipment (UE) within a cell is transmitted from a NodeB in a cell to...
US20100195480 METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING A PREAMBLE FOR SYNCHRONIZATION IN A MIMO-OFDM COMMUNICATION SYSTEM  
A method and apparatus for transmitting a preamble for frame synchronization and channel estimation in a MIMO-OFDM communication system are provided. An OFDM communication system using Q transmit...
US20080014969 Method and apparatus for paging terminals in a wireless communication system  
Techniques for paging terminals in a wireless (e.g., OFDMA) communication system to achieve both fast paging response and low power consumption for the terminals are described. A terminal receives...
US20080268791 Systems And Methods For Connecting Life Experiences And Shopping Experiences  
Systems and methods of connecting life experiences to a shopping experience are disclosed. An exemplary embodiment of a method includes receiving user-input identifying at least one position in a...
US20150156038 COMMUNICATION DEVICES FOR GENERATING AND USING A MATRIX-MAPPED SEQUENCE  
A communication device for generating a matrix-mapped sequence is described. The communication device includes sequence generation circuitry. The communication device also includes mapping...
US20110299382 COMMUNICATION DEVICES FOR GENERATING AND USING A MATRIX-MAPPED SEQUENCE  
A communication device for generating a matrix-mapped sequence is described. The communication device includes sequence generation circuitry. The communication device also includes mapping...
US20120039158 Systems and Methods For Transmit Diversity For DFT Precoded Channels  
A transmission method and apparatus that combines the benefits of DFT precoding and transmit diversity coding for PUCCH transmission. In one aspect, the invention provides an improved transmit...
US20150256371 METHOD OF TRANSMITTING INFORMATION BETWEEN A PLURALITY OF RADIOELECTRIC STATIONS AND ASSOCIATED TRANSMISSION NETWORK  
A method of transmitting information between a plurality of radioelectric stations and an associated transmission network are disclosed. In one aspect, the method transmits information between...
US20050152280 Method for operating a telecom system  
Disclosed is a method for managing the operation of a telecom system, and minimizing the energy to be drained from a power supply. According to the method, a rate constraint and telecom...
US20080219145 Method for Scheduling Heterogeneous Traffic in B3G/4G Cellular Networks with Multiple Channels  
A method includes tracking average user throughput, packet delay and jitter for every user that is serviced in an OFDM cellular system; using feedback to determine a potential schedule set...
US20130107694 Low Latency Channel Estimation for Downlink MIMO  
When more than two layers are multiplexed in one CDM group, length-4 OCC has to be used across both clusters in one subframe. This means that slot-by-slot channel estimation according to...
US20130163402 WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND TRANSMISSION METHOD  
A wireless communication apparatus (a) generates a transmission symbol; (b) assigns, to the transmission symbol, a given number of units each formed of a symbol and a subcarrier in a frame which...
US20090207725 METHOD AND SYSTEM FOR JOINT ENCODING MULTIPLE INDEPENDENT INFORMATION MESSAGES  
A method and system for joint encoding multiple independent information messages are disclosed. In one embodiment, a system includes an encoder configured to encode each of the independent...
US20130058204 CODEBOOK GENERATION SYSTEM AND ASSOCIATED METHODS  
A codebook generation system and associated methods are generally described herein.
US20130033977 CODEBOOK GENERATION SYSTEM AND ASSOCIATED METHODS  
A codebook generation system and associated methods are generally described herein.
US20050141406 Quasi-parallel multichannel receivers for wideband orthogonal frequency division multiplexed communications and associated methods  
A quasi-parallel receiver may simultaneously receive signals within several subchannels that comprise a wideband channel. The receiver includes a subchannel filter selection switch that provides a...
US20110235501 DEVICE FOR EXCHANGING DATA BETWEEN COMPONENTS OF AN INTEGRATED CIRCUIT  
A method for transmitting messages from first units of an integrated circuit to at least one second unit of the integrated circuit. The first units generate first digital messages and transform...
US20070217325 DISTRIBUTED CONTROL IN SYNCHRONIZING REMOTE UNITS TO HOST UNIT  
A method for an orthogonal frequency division multiplexing multipoint-to-point communications system is provided. The method includes establishing communication between a first remote unit of a...

Matches 1 - 50 out of 299 1 2 3 4 5 6 >