Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
01/2005
01/05/2005EP1494369A2 Multipath wave receiver
01/05/2005EP1493236A2 A system and method for selecting spreading codes based on multipath delay profile estimation for wireless transceivers in a communication network
01/05/2005CN2669535Y Broadband fixed wireless accessing base station with physical-tier automatic repeat request mechanism
01/05/2005CN2669494Y Quadrature frequency division multi-access (QFDMA) user device with physical-tier automatic repent request mechanism
01/05/2005CN1561595A Method of spread spetrum of code channels for LS codes
01/05/2005CN1561592A Radio transmission system and method and transmission station apparatus and reception station apparatus used in the radio transmission system
01/05/2005CN1561591A Multi-carrier CDMA transmission system, transmission apparatus and reception apparatus used in the system, and multi-carrier CDMA transmission method
01/05/2005CN1561585A Method for transferring and /or receiving data in communication system and apparatus thereof
01/05/2005CN1561013A Time-domain adaptive channel estimating method based on pilot matrix
01/05/2005CN1183728C Method for synchronising OFDM symbols during radio transmissions
01/04/2005US6839335 Radio communication apparatus and radio communication method
01/04/2005CA2185003C Method and apparatus for am compatible digital broadcasting
12/2004
12/30/2004US20040264608 Communication semiconductor integrated circuit, radio communication system, and adjustment method of gain and offset
12/30/2004US20040264606 Method and apparatus for demodulating block-code signals
12/30/2004US20040264550 Random access preamble coding for initiation of wireless mobile communications sessions
12/30/2004US20040264548 Radio transmitting apparatus, radio receiving apparatus and method therefor
12/30/2004US20040264507 Apparatus and method for transmitting/receiving data in a communication system using a multiple access scheme
12/30/2004US20040264432 OFDM demodulation method and semiconductor integrated circuit device
12/30/2004US20040264416 Communication system and method for improving efficiency and linearity
12/29/2004WO2004114572A2 Parallel spread spectrum communication system and method
12/29/2004WO2004114566A1 Reducing adjacent channel interference in a multicarrier modulation system
12/29/2004WO2004114565A1 Method and arrangement in a communication system
12/29/2004WO2004114564A1 Apparatus and method for transmitting/receiving data in a communication system using a multiple access scheme
12/29/2004WO2004114553A1 Extended walsh code space for forward packet data channel in cdma system
12/29/2004WO2004114549A1 Enhanced data only code division multiple access (cdma) system
12/29/2004WO2004075420A3 Method and apparatus for increasing orthogonal code space in a cdma ran
12/29/2004EP1492293A1 Emission of a signal with reduced peaks and of an associated instruction signal
12/29/2004EP1492280A1 Quality driven adaptive channel assignment in an OFDMA radio communication system
12/29/2004EP1492259A1 Ofdm demodulation apparatus
12/29/2004EP1492258A1 Method of data retransmission in multi-carrier transmission and communication apparatus having data retransmission control device
12/29/2004EP1491060A1 Method and apparatus for blind code detection
12/29/2004CN1559129A Single-carrier to multi-carrier wireless architecture
12/29/2004CN1559115A Method, system and apparatus for transmitting interleaved data between stations
12/29/2004CN1559114A 正交频分复用传输方法 Orthogonal frequency-division multiplexing transmission method
12/29/2004CN1558577A Orthogonal frequency division multiplexing modulation-demodulation method in broadband wireless access networks
12/29/2004CN1558576A Self-adaptive channel estimation method based on two-dimensional minimum mean square criterion
12/29/2004CN1182688C Cellular communication system and operating method thereof
12/29/2004CN1182671C Method for generating and distributing code pair of orthogonal spread spectrum code
12/29/2004CA2529721A1 Parallel spread spectrum communication system and method
12/28/2004US6836484 Wireless packet communication method and system for transmitting packets between base station and radio terminal station
12/28/2004CA2323668C Host rejection filtering in a digital audio broadcasting system
12/23/2004WO2004112292A1 Apparatus and method for transmitting and receiving a pilot pattern for identification of a base station in an ofdm communication system
12/23/2004WO2004112291A1 Digital signal receiver
12/23/2004WO2004112260A2 Ofdma system and method
12/23/2004WO2004112075A1 Multi-carrier communication method and communication apparatus thereof
12/23/2004WO2004079968A9 Improved vertical roaming in wireless networks through improved wireless network cell boundary detection
12/23/2004US20040259508 Communication method and radio communication apparatus
12/23/2004US20040258171 OFDM receiver apparatus
12/23/2004US20040258169 Modulation/demodulation apparatus using matrix and anti-matrix
12/23/2004US20040258131 Parallel spread spectrum communication system and method
12/23/2004US20040258027 Code channel management in a wireless communications system
12/23/2004US20040258014 Apparatus and method for assigning a dedicated pilot channel for identification of a base station in an OFDM communication system
12/23/2004US20040257981 Apparatus and method for transmitting and receiving pilot patterns for identifying base stations in an OFDM communication system
12/23/2004US20040257980 Parallel orthogonal frequency division multiplexed communication system
12/23/2004US20040257979 Apparatus and method for tranmitting and receiving a pilot pattern for identification of a base station in an OFDM communication system
12/23/2004US20040257978 Apparatus and associated methods to introduce diversity in a multicarrier communication channel
12/23/2004US20040257976 Single wire return device including a QAM modulator for downstream IP signals
12/23/2004US20040257975 Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure
12/23/2004DE10025286B4 Verfahren zur Signalisierung in einem Funk-Kommunikationssystem und Basisstation in einem Funkkommunikationssystem Method for signaling in a radio communication system and base station in a radio communication system
12/23/2004CA2529270A1 Apparatus and method for transmitting and receiving a pilot pattern for identification of a base station in an ofdm communication system
12/22/2004EP1489808A2 Apparatus and method for transmitting and receiving a pilot pattern for identification of a base station in a OFDM communication system
12/22/2004EP1489767A1 Multi-carrier transmission apparatus and multi-carrier transmission method
12/22/2004EP1488590A1 A multiple channel wireless receiver
12/22/2004EP1488589A1 Apparatus and method for estimating a plurality of channels
12/22/2004CN1557106A 无线通信系统 The wireless communication system
12/22/2004CN1557082A Computational circuits and methods for processing modulated signals having non-constant envelopes
12/22/2004CN1557058A Use of orthogonal or near orthogonal codes in reverse link
12/22/2004CN1556598A Meethod of lowering multicarrier communication system signal peak uniform power ratio using cyclic matrix
12/22/2004CN1556597A Channel random cut-in method in radio communication system
12/22/2004CN1181658C Method for generating pseudo-random sequence, correlative emitter and receiver
12/22/2004CN1181633C Decoding method and device for transmission format combination indicating data
12/16/2004WO2004109475A2 System and method for determining synchronization point in ofdm modems for accurate time of flight measurement
12/16/2004US20040252667 Receivers for receiving multi-carrier orthogonally coded signals
12/16/2004US20040252662 Method for controlling operational states of a MAC layer in an OFDM mobile communication system
12/16/2004US20040252631 System and method for reducing adjacent channel interference (ACI) in a multicarrier modulation system
12/16/2004US20040252630 System and method for determining synchronization point in OFDM modems for accurate time of flight measurement
12/16/2004US20040252629 Pilot multiplexing method and OFDM receiving method in OFDM system
12/15/2004EP1487156A2 Method for controlling operational states of a MAC layer in an OFDM mobile communication system
12/15/2004EP1486035A1 Coexistence of stations capable of different modulation schemes in a wireless local area network
12/15/2004EP1486020A1 Method and apparatus for allocating a pilot carrier adaptively in an orthogonal frequency division multiple access system
12/15/2004EP1438795A4 Method for transferring and /or receiving data in communication system and apparatus thereof
12/15/2004CN1555641A Method and system for high speed data transmission in CDMA
12/15/2004CN1555626A Ovsf code system and methods
12/15/2004CN1555623A Code generation
12/15/2004CN1555148A Central momdom based on user communications system
12/15/2004CN1180563C CDMA communication method and packer expending modulator
12/15/2004CN1180544C Method for compensating for signal echoes that occur in duplex data transmission during discrete multi-tone modulation
12/14/2004US6831960 Receiver for digital broadcasting
12/09/2004WO2004107690A1 Method for reducing channel estimation error in an ofdm system
12/09/2004WO2004107623A1 Radio communication system and radio communication method
12/09/2004WO2004107622A1 Ofdm signal receiver apparatus and ofdm signal receiving method
12/09/2004WO2004107614A1 Base station receiver capable of generating pseudo noise signals
12/09/2004US20040248618 Radio communication system and scheduling method
12/09/2004US20040247044 Ofdm demodulation circuit and ofdm reception apparatus using the same
12/09/2004US20040247038 Ofdm receiving apparatus and ofdm signal correction method
12/09/2004US20040246890 OFDM/DMT/ digital communications system including partial sequence symbol processing
12/09/2004US20040246889 Radio apparatus and adaptive array processing method
12/08/2004EP1483858A2 Nonblocking ovsf codes for 3g wireless and beyond systems
12/08/2004CN2662571Y Single-Carrier Frequency-Domain Equalization (SC-FDE) subscriber equipment with automatic physical layer request retransmission mechanism
12/08/2004CN2662570Y High Speed Downlink Packet Access (HSDPA) base station with automatic physical layer request retransmission mechanism