| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 10/27/2004 | CN1173499C OFDMA signal transmitting apparatus and method |
| 10/26/2004 | US6810097 Carrier reproduction circuit, receiver, loop filter circuit, and oscillator circuit |
| 10/26/2004 | US6810096 Reception apparatus and replica signal generating method |
| 10/26/2004 | US6810095 Viterbi decoder with reduced number of bits in branch metric calculation processing |
| 10/26/2004 | US6810092 Method and circuitry for demodulating a digital frequency modulated signal |
| 10/26/2004 | US6810090 Direct digital vestigial sideband (VSB) modulator |
| 10/26/2004 | US6810087 Ultra-wideband communications system |
| 10/26/2004 | US6810072 System for acquiring spread spectrum signals |
| 10/26/2004 | US6810027 Multi-carrier transmitting apparatus and method |
| 10/26/2004 | US6810020 Apparatus and method for measuring bit error rate in an OFDM communication system |
| 10/26/2004 | US6810007 OFDM transmission/receiving system and block encoding method therefor |
| 10/26/2004 | US6810006 OFDM signal organized so as to simplify reception |
| 10/26/2004 | US6809607 Circuit and method for compensating for non-linear distortion |
| 10/26/2004 | US6809598 Hybrid of predictive and closed-loop phase-domain digital PLL architecture |
| 10/26/2004 | CA2310815C Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system |
| 10/26/2004 | CA2302175C Device and method for data encoding and frequency diversity in mobile communications system |
| 10/26/2004 | CA2248055C An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio transmitter |
| 10/26/2004 | CA2233462C A digital signal system having a sync confidence counter |
| 10/21/2004 | WO2004091249A1 A method in a transceiver for allocating transmission capacity between the two directions of transmission in wire line data communication |
| 10/21/2004 | WO2004091210A1 Moving picture processing device, information processing device, and program thereof |
| 10/21/2004 | WO2004091202A1 Moving picture processing device, information processing device, and program thereof |
| 10/21/2004 | WO2004091201A1 Moving picture processing device, information processing device, and program thereof |
| 10/21/2004 | WO2004091163A1 Synchronization method and data transfer system |
| 10/21/2004 | WO2004091162A1 Method and device for reducing the ratios between peak power and average power in a multicarrier system |
| 10/21/2004 | WO2004091161A1 Pulse detection in wireless communications system |
| 10/21/2004 | WO2004091159A1 Method and apparatus for channel equalization in multi-carrier communication devices using discrete cosine modulated filter bank or wavelet packet modulation |
| 10/21/2004 | WO2004091125A2 Methods and apparatus for interleaving in a block-coherent communication system |
| 10/21/2004 | WO2004091117A1 Base station device and adaptive modulation method |
| 10/21/2004 | WO2004071106A3 Method for storing and transmitting data generated by a security module |
| 10/21/2004 | WO2004070982A3 Method for transmitting data in a multi-carrier radio communication system |
| 10/21/2004 | WO2004070979A3 Ofdm communication device |
| 10/21/2004 | US20040209582 Automatic gain control of multiple antenna ofdm receiver |
| 10/21/2004 | US20040209570 Efficient and optimal channel encoding and channel decoding in a multiple access communications system |
| 10/21/2004 | US20040208315 Information exchanging and modem architecture using an intelligent database |
| 10/21/2004 | US20040208269 OFDM frame synchronisation algorithm |
| 10/21/2004 | US20040208267 Frequency synchronization apparatus and method for OFDM systems |
| 10/21/2004 | US20040208266 Method and apparatus for reducing interference in an optical data stream using data-independent equalization |
| 10/21/2004 | US20040208264 System and method of low power demodulation of continuous phase modulated waveforms |
| 10/21/2004 | US20040208263 Demodulator using cordic rotator-based digital phase locked loop for carrier frequency correction |
| 10/21/2004 | US20040208260 Method and apparatus for optimizing transmitter power efficiency |
| 10/21/2004 | US20040208259 Additive digital predistortion system employing parallel path coordinate conversion |
| 10/21/2004 | US20040208255 Wireless communication apparatus and wireless communication system |
| 10/21/2004 | US20040208254 Method and apparatus for estimating a signal sequence in a MIMO-OFDM mobile communication system |
| 10/21/2004 | US20040208253 Apparatus and method for generating preamble sequence in a BWA communication system using OFDM |
| 10/21/2004 | US20040208243 Adaptive receivers for bit rate agile (BRA) and modulation demodulation (modem) format selectable (MFS) signals |
| 10/21/2004 | US20040208240 Data encoding using an oscillator circuit |
| 10/21/2004 | US20040208232 Radio transmission apparatus and radio transmission method |
| 10/21/2004 | US20040208157 Multi-mode communications transmitter |
| 10/21/2004 | US20040208147 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
| 10/21/2004 | US20040208139 Carrier management for a network |
| 10/21/2004 | US20040208138 Receiver and its receiving method |
| 10/21/2004 | US20040208115 Multiple antenna ofdm transceiver and method for transceiving |
| 10/21/2004 | US20040207757 Mapping arrangement for digital communication system |
| 10/21/2004 | US20040207538 Burst QAM downhole telemetry system |
| 10/21/2004 | DE10314149A1 Frequency correction system for receiver device in mobile communication system such as UMTS, has one control device for correcting frequency, and second control device for correcting detected frequency deviation |
| 10/21/2004 | CA2521041A1 Methods and apparatus for interleaving in a block-coherent communication system |
| 10/20/2004 | EP1469649A1 Method and apparatus of peak-to-average power ratio reduction |
| 10/20/2004 | EP1469648A1 Selective mapping in a multicarrier system |
| 10/20/2004 | EP1469647A1 OFDM symbol synchronisation |
| 10/20/2004 | EP1469646A2 Measurement of transmission time |
| 10/20/2004 | EP1469628A2 Constellation design for a multiple access communication systems |
| 10/20/2004 | EP1469613A1 Method and transmitter for data transmission in a multi-carrier system over multiple transmit antennas |
| 10/20/2004 | EP1468537A1 Method and device for carrying out a channel estimation in the presence of phase shifts |
| 10/20/2004 | EP1468536A1 Core wireless engine |
| 10/20/2004 | EP1468503A2 Method of and system for power line carrier communications |
| 10/20/2004 | EP1468497A1 Multi; stage code generator and decoder for communication systems |
| 10/20/2004 | EP1021899A4 Method and system for generating a power control command in a wireless communication system |
| 10/20/2004 | EP0839423B1 Pulse shaping for multicarrier modulation |
| 10/20/2004 | CN2650424Y Wireless transreceiving device for television receiver |
| 10/20/2004 | CN2650401Y Waveform distortion correcting circuit for cacade digital communication equipment |
| 10/20/2004 | CN1539235A Method and apparatus for simultaneously communicating voice and data in analog cordless telephone system |
| 10/20/2004 | CN1539229A Receiver with improved digital internediate to base band demodulator |
| 10/20/2004 | CN1539228A Null-Pilot Symbol assisted fast automatic frequency control |
| 10/20/2004 | CN1538749A Data interlacing method in digital telerision broundcasting transmission |
| 10/20/2004 | CN1538742A Receiver of 8MHz channel digital television system |
| 10/20/2004 | CN1538699A 帧同步 Frame synchronization |
| 10/20/2004 | CN1538650A Multicarrier signal wave removing device and method |
| 10/20/2004 | CN1538649A Quadrature frequency division multiplaccess signal transmission deviceand its method and base station device |
| 10/20/2004 | CN1538648A Frequency synchronous device and method of orthogonal frequency division multiplexing system |
| 10/20/2004 | CN1538615A FM signal receriver and wireless communication device using the receiver |
| 10/20/2004 | CN1172530C Data mapping method in digital TV transmiision |
| 10/20/2004 | CN1172526C Phase error estimation method for demodulator in high-definition TV receiver |
| 10/20/2004 | CN1172501C Apparatus for correcting frequency offset in OFDM receiving system |
| 10/20/2004 | CN1172500C Method in digital quadrature modulator and demodulator, and digital quadrature modulator and demodulator |
| 10/20/2004 | CN1172499C Digital residual side band transmission systems |
| 10/20/2004 | CN1172468C Receiving device |
| 10/20/2004 | CN1172467C Apparatus and method for compensating frequency shift in orthogonal frequency division multiple system |
| 10/20/2004 | CN1172460C System and method for compensating timing error using pilot symbol in OFDM |
| 10/20/2004 | CN1172456C Receiving automatic gain controlling circuit |
| 10/20/2004 | CN1172439C Reciver for digital terrestrial broadcasting and its receiving channel selecting method |
| 10/19/2004 | US6807242 Apparatus and a method for calculation of a correlation value corresponding to a frequency error, and a recording medium with a recorded correlation value calculation program |
| 10/19/2004 | US6807241 Method and apparatus for partial and course frequency offset estimation in a digital audio broadcasting (DAB) system |
| 10/19/2004 | US6807238 Method and apparatus for decoding M-PSK turbo code using new approximation technique |
| 10/19/2004 | US6807237 Radio apparatus and transmission/reception method |
| 10/19/2004 | US6807235 Wireless communication apparatus processing intermittent data |
| 10/19/2004 | US6807234 Method and apparatus for constellation mapping and bitloading in multi-carrier transceivers, such as DMT-based DSL transceivers |
| 10/19/2004 | US6807229 Decision feedback equalizer and method for updating tap coefficients thereof |
| 10/19/2004 | US6807221 Channel spreading device and method for CDMA communication system |
| 10/19/2004 | US6807157 Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal |
| 10/19/2004 | US6807147 Methods and apparatus for use in obtaining frame synchronization in an OFDM communication system |