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