Patents for H04L 27 - Modulated-carrier systems (89,721)
12/2012
12/12/2012CN101056155B Optical source concentrated wave division multiplexing passive optical network for simultaneously generating the DPSK and OOK signals
12/11/2012US8332450 Method of CORDIC computing vector angle and electronic apparatus using the same
12/11/2012US8331799 Non-feedback pre-encoder for optical DQPSK modulation
12/11/2012US8331518 Wireless communication apparatus for receiving packets transmitted with delay amounts different for respective transmission branches
12/11/2012US8331516 Method and apparatus for transmitting and receiving uplink bandwidth request information in wireless communication system
12/11/2012US8331503 Receiving level control apparatus and receiver
12/11/2012US8331502 Phase-adjusted channel estimation for frequency division multiplexed channels
12/11/2012US8331501 Equalizing structure and equalizing method
12/11/2012US8331500 Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system
12/11/2012US8331499 Receiver
12/11/2012US8331498 Blind modulation detection
12/11/2012US8331497 Joint synchronizer and decoder
12/11/2012US8331496 Phase recovery device, phase recovery method and receiver for 16 QAM data modulation
12/11/2012US8331495 Method and apparatus for an improved wireless communication receiver
12/11/2012US8331493 Bias removal of radio link quality estimates
12/11/2012US8331492 Device and method for determining the deviation of the carrier frequency of a mobile radio device from the carrier frequency of a base station
12/11/2012US8331491 Signal derotating receiver
12/11/2012US8331490 Methods and apparatus for conditioning communications signals based on detection of high-frequency events in polar domain
12/11/2012US8331489 Codebook generating method and apparatus for generating a codebook for multi-polarized multiple-input multiple-output (MIMO) systems
12/11/2012US8331488 Methods and apparatus for communicating information using non-coherent and coherent modulation
12/11/2012US8331483 Method for transmitting feedback information via a spatial rank index (SRI) channel
12/11/2012US8331482 System and method for subcarrier allocation and permutation
12/11/2012US8331481 Method for channel state feedback by quantization of time-domain coefficients
12/11/2012US8331480 Method of and generator for generating preamble sequences in communication systems
12/11/2012US8331479 Method, apparatus, and system for microwave signal correction
12/11/2012US8331475 Low complexity technique for log-likelihood ratio computation
12/11/2012US8331469 Method and system for pre-equalization in a single weight (SW) single channel (SC) multiple-input multiple-output (MIMO) system
12/11/2012US8331467 Time and frequency channel estimation
12/11/2012US8331297 Method and system for generating antenna selection signals in wireless networks
12/11/2012CA2723058C Direct conversion receiver architecture
12/11/2012CA2678929C Signaling transmission and reception in wireless communication systems
12/11/2012CA2658832C Method and apparatus for flexible pilot pattern
12/11/2012CA2575317C Transmission and reception of reference preamble signals in ofdma or ofdm communication systems
12/06/2012WO2012167034A2 Method and apparatus to perform functional compression
12/06/2012WO2012166922A1 Delta modulated low power ehf communication link
12/06/2012WO2012165782A2 Mobile communication system and data transmission method thereof
12/06/2012WO2012164876A1 Transmitter
12/06/2012WO2012164840A1 Wireless transmission device, wireless transmission system, and method for controlling wireless transmission device
12/06/2012WO2012164536A1 Apparatus and method for communication
12/06/2012WO2012164459A2 System and method for sulfur bioadaptation in a stable dispersion form for industrial bioreactor feeding
12/06/2012WO2012163041A1 Multiple access system, method and device based on orthogonal frequency-division multiplexing
12/06/2012WO2012163008A1 Signal modulation device and modulation method
12/06/2012WO2012099401A3 Apparatus and method for transceiving data streams in a wireless system
12/06/2012WO2012099388A3 Method and apparatus for processing a harq ack/nack signal
12/06/2012US20120307947 Signal processing circuit, wireless communication device, and signal processing method
12/06/2012US20120307946 Method of estimating the symbols of a digital signal and receiver for implementing said method
12/06/2012US20120307945 Method and apparatus for singular value decomposition of a channel matrix
12/06/2012US20120307944 Receiving apparatus and receiving method
12/06/2012US20120307943 Receiver circuit and receiver apparatus
12/06/2012US20120307942 Apparatus and method for soft demapping
12/06/2012US20120307941 Radio receiver, method of calibrating radio receiver, method of correcting time-induced deviation in radio receiver, and radio base station apparatus
12/06/2012US20120307940 Pulse receiver and method for receiving burst signal
12/06/2012US20120307939 Estimation of channel impulse response in a communication receiver
12/06/2012US20120307936 Transmitting apparatus, transmitting method, receiving apparatus, and receiving method
12/06/2012US20120307935 Method and device for transmitting/receiving information in closed-loop multi-antenna system
12/06/2012US20120307934 Quality of Service and Rate Selection
12/06/2012US20120307933 Energy efficient constellation method and system
12/06/2012US20120307932 Delta modulated low power ehf communication link
12/06/2012US20120307931 Multi-Mode Driver with Multiple Transmitter Types and Method Therefor
12/06/2012US20120307930 Scattered Pilot Pattern And Channel Estimation Method For MIMO-OFDM Systems
12/06/2012US20120307925 Peak-To-Average Power Ratio Reduction For Wireless Communication Systems
12/06/2012US20120307924 Multiple input multiple output (mimo) transmitted signal vector estimation employing monte carlo sampling techniques
12/06/2012US20120307923 Inverse Signal Transformation
12/06/2012US20120307922 Ue signal quality measurements on a subset of radio resource elements
12/06/2012US20120307921 Method for selecting a transmission mode
12/06/2012US20120307920 Method and Apparatus to Perform Function Compression
12/06/2012US20120307919 Control of Cell Search Procedure
12/06/2012US20120307880 Mixed-phase real time automatic room equalization system
12/06/2012US20120307878 Multi-protocol multiple-data-rate auto-speed negotiation architecture for a device
12/06/2012US20120307875 Mobile Communications Devices and Methods Having Reduced Communication Latency
12/06/2012US20120307873 Apparatus and method for data communication using wireless power
12/06/2012US20120307819 Method and apparatus for interleaving data in a mobile communication system
12/06/2012US20120307817 Method and apparatus for using 802.11 wlans in tv white space
12/06/2012US20120307807 Wireless communication system
12/06/2012DE202007019489U1 Geräte zur Erzeugung und Zerlegung einer Signalisierung einer ununterbrochenen Ressourcenzuteilung Equipment for the generation and decomposition of a signal a continuous resource allocation
12/06/2012DE102011075987A1 Method for determining demodulation parameters to demodulate global system for mobile communication signal generated by mobile terminal, involves correlating signal portions, and comparing whether correlation result lies over value
12/05/2012EP2530961A1 Method and apparatus for managing component carriers
12/05/2012EP2530896A2 Method and apparatus for transmitting uplink control information in a wireless communication system
12/05/2012EP2530895A1 Method and apparatus for transmitting uplink control signalings and bearing uplink demodulation reference signals
12/05/2012EP2530894A1 Method and device for implementing automatic frequency control
12/05/2012EP2530865A1 Concept for Mitigating Impairments due to Transmit Noise
12/05/2012EP2530844A1 Hybrid orthogonal frequency division multiple access system and method
12/05/2012EP2529525A1 Method and arrangement in a telecommunication system
12/05/2012EP2529524A1 Reducing phase errors on a communication device
12/05/2012EP2529523A1 Block decoding using overlapping and add
12/05/2012EP1864458B1 Method and apparatus for data and pilot structures supporting equalization
12/05/2012CN1864357B Method for transmitting signal/OFDM segment and receiver adapting to processing received signal
12/05/2012CN1758621B Automatic computerized house equipment register in wireless communication system
12/05/2012CN1758618B Data packet transmission system and method using uplink and downlink
12/05/2012CN102812680A Carrier synchronization method, circuit and system
12/05/2012CN102812679A Method and apparatus for accurate time synchronization in wireless communication system
12/05/2012CN102812678A Communication device, communication system, and communication control method
12/05/2012CN102812655A Transmission device, transmission power control method and transmission determination method
12/05/2012CN102811195A Method using LTE (long term evolution) base band to decrease peak-to-average power ratio
12/05/2012CN102811194A Method for generating transmission signals or OFDM symbols in a communication system and communication system device
12/05/2012CN102811193A Receiving apparatus and receiving method
12/05/2012CN102811192A Method for controlling signaling in orthogonal frequency division multiplexing technology
12/05/2012CN102811191A Data transmission method and device
12/05/2012CN102811190A Suppression method for single-frequency interference in OFDM (Orthogonal Frequency Division Multiplexing) communication system
12/05/2012CN102811118A An access point, an apparatus, and a method for operating a communication device