Patents for H04L 27 - Modulated-carrier systems (89,721)
05/2009
05/19/2009US7535862 Rate adaptive data broadcast technique
05/19/2009US7535860 Apparatus and method for transmitting/receiving pilot signal in communication system using OFDM scheme
05/19/2009US7535822 Synchronization of remote units for a communication network
05/19/2009US7535820 OFDM signal receiving apparatus and OFDM signal receiving method
05/19/2009US7535310 Distortion compensation circuit
05/15/2009CA2644008A1 Digital signal receiving apparatus
05/15/2009CA2644004A1 Frequency shift keying (fsk) digital signal receiving apparatus
05/15/2009CA2643799A1 Digital signal receiving apparatus
05/14/2009WO2009061403A2 Uplink radio frames apportioned for plural multiple access technologies
05/14/2009WO2009061359A2 Method and device for interprocessor communication for a load control system
05/14/2009WO2009061129A2 Method of transmitting data based on adaptive modulation and coding
05/14/2009WO2009061122A2 Method for multiplexing data and control information
05/14/2009WO2009061053A1 Method for configurating basic signal allocation unit and method for transmitting signals using the same
05/14/2009WO2009060920A1 Photofield transmitter and photofield transmission system
05/14/2009WO2009060324A1 System and method of selectively communicating using ofdm transmissions and single-carrier block transmissions
05/14/2009WO2009060183A2 Method and apparatus for signal discovery
05/14/2009WO2009060139A2 Instrument for acquiring and broadcasting earth observation images with high space and time resolution
05/14/2009WO2009059946A2 Data transmission in a mobile communication system apparatus, system and method
05/14/2009WO2009059672A1 Synchronization of received symbols for ofdm
05/14/2009WO2009059551A1 Bit reverse interleaving methods for qam modulation in a wireless communication system
05/14/2009WO2009059536A1 Method, device, base station and user equipment for pilot frequency insertion in ofdm system
05/14/2009WO2009041793A3 Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal
05/14/2009WO2009035244A3 System for transmitting and receiving signals
05/14/2009WO2009020975A3 Pulse shaping for egprs-2
05/14/2009WO2009020930A3 Method and apparatus for efficient selection and acquisition of systems utilizing ofdm or sc-fdm
05/14/2009WO2009002742A3 Setting the power level of the information elements in the ofdma map according to the channel condition
05/14/2009WO2008137963A3 Method and apparatus for multiplexing cdm pilot and fdm data
05/14/2009WO2007075044A3 Apparatus for transmitting data using carriers and method thereof
05/14/2009WO2007052981A3 Method of transmitting signals for initial synchronization in a wireless communication system using orthogonal frequency division multiplexing (ofdm) or ofdm access (ofdma) scheme
05/14/2009US20090125793 Wireless communication apparatus and wireless communication method
05/14/2009US20090125780 Data processing apparatus and method
05/14/2009US20090124193 Program and Data Alerts and Auxiliary Datastreams in a Multichannel Broadcast System
05/14/2009US20090123160 Bit synchronization circuit with phase tracking function
05/14/2009US20090122977 Systems and methods for a multicarrier transceiver with radio frequency interference reduction
05/14/2009US20090122932 Adaptive digital filter, signal processing method, fm receiver, and program
05/14/2009US20090122927 Receiver for wireless communication network with extended range
05/14/2009US20090122926 Data throughput in an interference-rich wireless environment
05/14/2009US20090122925 Viterbi slicer for turbo codes
05/14/2009US20090122924 Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof
05/14/2009US20090122923 Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof
05/14/2009US20090122922 Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processign method thereof
05/14/2009US20090122921 Method and apparatus of decoding encoded data frame having dummy bit sequences included therein
05/14/2009US20090122920 Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof
05/14/2009US20090122919 Receiver circuit, application of a first and a second proportional element of a digital pll structure, and method for receiving a frequency-shift keyed signal
05/14/2009US20090122917 Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof
05/14/2009US20090122916 Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof
05/14/2009US20090122915 Digital broadcasting trasmission/reception system having improved receiving performance and signal processing method thereof
05/14/2009US20090122914 Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof
05/14/2009US20090122913 System and method for controlling modulation
05/14/2009US20090122912 Method for Transmitting and Receiving Quadrature-Amplitude Modulation Signals, System for Implementing Thereof, Machine-Readable Medium, and Application of the Method for Synchronizing Reception of Amplitude Modulation Signals
05/14/2009US20090122910 Sector-based base station
05/14/2009US20090122909 Radio frequency transmitter
05/14/2009US20090122908 Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof
05/14/2009US20090122907 Log-antilog circuit and method for producing an up-converted and amplified transmission signal
05/14/2009US20090122906 Method and apparatus for encoding a modulated signal in a communication system
05/14/2009US20090122896 Digital broadcasting transmission/reception system utilizing srs and trs code to improve receiving performance and signal processing method thereof
05/14/2009US20090122895 Digital broadcasting transmission/reception system utilizing srs and trs code to improve receiving performance and signal processing method thereof
05/14/2009US20090122889 Method and apparatus for decomposing channel in closed-loop multiple input multiple output communication system
05/14/2009US20090122888 Receiver
05/14/2009US20090122887 Carrier allocation method in multi cell orthogonal frequency division multiple access system
05/14/2009US20090122886 Transmitting/receiving system, transmitting apparatus, and pilot signal multiplexing method used in them
05/14/2009US20090122884 Closed-loop transmission feedback in wireless communication systems
05/14/2009US20090122883 Follow-up synchronization to maintain synchronization throughout transmission
05/14/2009US20090122882 Method and apparatus for preamble training with shortened long training field in a multiple antenna communication system
05/14/2009US20090122881 Follow-up synchronization to maintain synchronization throughout transmission
05/14/2009US20090122855 Systems and Methods for Mitigating the Effects of Upstream Far-End Cross Talk
05/14/2009US20090122854 Frequency domain equalization with transmit precoding for high speed data transmission
05/14/2009US20090122843 Reradiation apparatus for terrestrial digital broadcasting and method for reradiating terrestrial digital broadcasting
05/14/2009US20090122840 Ultra-wideband communication system provided with a frequency controlled dispersive antenna
05/14/2009US20090122777 Antenna Selection for Mobile Stations in OFDMA Networks
05/14/2009US20090122741 Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof
05/14/2009US20090122203 Demodulator, method and receiver for demodulation
05/14/2009US20090122202 Digital broadcasting transmission/reception system utilizing mull packet and trs code to improve receiving performance and signal processing method thereof
05/14/2009US20090121928 Suppression of Multipath Effects for Received SPS Signals
05/14/2009US20090121795 Synthesizer
05/14/2009DE102007053828A1 Übertragung kodierter Daten Coded data transfer
05/14/2009DE102007053091A1 Verfahren und Vorrichtung zur Decodierung von faltungscodierten Signalen Method and apparatus for decoding convolutionally encoded signals
05/14/2009CA2703995A1 Method for configurating basic signal allocation unit and method for transmitting signals using the same
05/13/2009EP2058994A1 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system
05/13/2009EP2058993A1 Radio frequency transmitter
05/13/2009EP2058972A1 Radio communication system, transmitter, receiver and radio communicating method
05/13/2009EP2058967A1 Spatial division multiple access for high speed packet access modes
05/13/2009EP2057811A1 Apparatus for generating down link signal, and method and apparatus for cell search in cellular system
05/13/2009EP2057810A2 Method and apparatus for communicating network identifiers in a communication system
05/13/2009EP2057809A2 A transmission method and apparatus for cancelling inter-carrier interference
05/13/2009EP2057799A2 Method and arrangement in a telecommunication system
05/13/2009EP2057776A2 Frame structures for wireless communication systems
05/13/2009EP1782553B1 Apparatus and method for obtaining delay diversity
05/13/2009EP1609282B1 Filtering method for transmit processing in orthogonal frequency division multiplex communication systems and related filtering apparatus
05/13/2009EP1410495B1 System for controlling a class d amplifier
05/13/2009EP1101314B1 Method and apparatus for mapping bits to an information burst
05/13/2009CN201238316Y High-capacity scatter communication modem apparatus
05/13/2009CN101433111A Pilot signal transmitting method, radio communication system, and apparatus and program used for the same
05/13/2009CN101433104A Method for increasing spectrum efficiency in an OFDM based multi-bandwidth wireless system
05/13/2009CN101433047A Method for controlling radio communications during idle periods in a wireless system
05/13/2009CN101433046A OFDMA based on cognitive radio
05/13/2009CN101433045A Variable OFDM subchannel coding and modulation
05/13/2009CN101433044A Method that is simultaneous over time and in terms of frequency for transmitting multiple data communications via OFDM modulations
05/13/2009CN101433043A Spectral shaping to reduce peak-to-average ratio in wireless communication
05/13/2009CN101433042A Discrete multi-tone communication without use of circulating prefix