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7336697 Code division multiple access mobile communication system  
A code division multiple access (CDMA) mobile communication system with improvements to permit stable reception with a minimum of bit error. The system includes a base station and a mobile station...
7330496 System and method for spread spectrum communication  
A spreading code generating apparatus carries out M-sequence multiplication and zero value addition of generated orthogonal codes to obtain channel identification codes, and then carries out...
7327778 Multi-mok modulation/demodulation transmission process, corresponding transmitter and receiver  
A method and an apparatus for transmitting data using multi-MOK modulation/demodulation transmission process corresponding to transmitter and receiver are disclosed. At transmission, the data to...
7327779 Method and apparatus for high-speed software reconfigurable code division multiple access communication  
A communication device for W-CDMA signal transmission and reception includes a W-CDMA transmitter having at least one of a RAM and registers, a W-CDMA receiver having at least one of a RAM and...
7324580 Method and apparatus for achieving channel variability in spread spectrum communication systems  
A method and apparatus are disclosed for modulating a communication signal in a CDMA environment using orthogonal N by N Hadamard spread spectrum codes. Orthogonal spreading codes are used that...
7321635 Linearization of amplifiers using baseband detection and non-baseband pre-distortion  
In an amplifier system that linearizes an amplifier by pre-distorting the input signal prior to amplification, a baseband pre-distortion processor processes the input signal in a digital baseband...
RE39954 Automobile on-board and/or portable telephone system  
In an automobile on-board and/or portable telephone system capable of increasing the capacity of subscribers easily on the basis of changing of the information transmission bit rate, spread codes...
7313164 Method and system for switching and detecting PN codes for fast acquisition of burst signal  
A method and system is disclosed for generating and detecting variable sequence PN codes. PN-Code sequence changes based on varying interceptor threat levels are generated at a rate fast enough to...
7308018 Method for operating a digital mobile radio network with space-time block codes  
The invention relates to the preparation and numerical optimization of non-linear space-time block codes for application in a digital mobile radio system, with a maximum transmission diversity for...
7301988 Enhanced uplink packet transfer  
An enhanced spread-spectrum uplink technique provides more efficient packet transfer in a wireless network. A mobile station requests to utilize an uplink channel, typically, a physical dedicated...
7286590 Method for the transmission of data, and apparatus for the transmission of data  
A method and a system are described for the transmission of data between one base station and several mobile stations via radio channels, the data streams each differing in terms of a code. In a...
7280581 Method of adaptive Walsh code allocation  
A method of adaptive Walsh code allocation in a wireless communication system. The method includes the step of each voice user transmitting quality condition signal, such as a pilot signal...
7280593 Method and system for sample and reconstruction synchronization for digital transmission of analog modem signal  
A method and system for the synchronization of the transmission of digitally converted analog modem signals between two or more modems using either RF over-the-air or A/C power line communication...
7277458 Apparatus and method for tracking a phase of a pseudo-random noise (PN) sequence of a pilot signal in a mobile terminal  
An apparatus and method are disclosed for acquiring by a mobile terminal a pseudo-random noise (PN) sequence of a pilot signal received from a base station by means of a searcher, designating a...
7274681 Method of multiplexing information in mobile communications, method and apparatus for decoding transport format combination indicator, and mobile station apparatus, base station apparatus and mobile communication system  
Control information, which is transmitted through a circuit different from the one used for the transmission of a plurality of pieces of information to be multiplexed, is analyzed. When the...
7272163 Method for two-level variable chip rate spreading and despreading used in CDMA system  
This invention involves a two-level variable chip rate spreading and despreading method used in CDMA systems. The total spreading gain is the product of the two level spreading factors. Orthogonal...
7269207 Method of symbol index selection in code division multiple access  
A method and device for estimating a target chip index value in a code-division multiple access receiver. The receiver receives signals from a transmitter that uses a plurality of transmitted...
7254159 High-frequency wireless peripheral device with auto-connection and auto-synchronization  
A system and method for the automatic establishment of a connection between a human interface device and a host transceiver unit, wherein the system includes a host transceiver unit configured to...
7245650 CDMA communications system using multiple spreading sequences  
This invention provides techniques for a CDMA system having high spectrum efficiency with low transmit power. Each transmitter comprises means of selecting some core-sequences out of multiple...
7239659 Method and apparatus for channel feedback  
A method for communicating channel estimates on a plurality of subcarriers between a transmitting device and a receiving device. The transmitting device determines a channel estimates on a...
7236747 Increasing OFDM transmit power via reduction in pilot tone  
Transmitting an ultra wideband (UWB) signal in some embodiments comprises reducing power within a first sub-band with respect to a nominal power of the UWB signal within the first sub-band and...
7228107 Paging indicator deciding method of mobile communication terminal  
A paging indicator deciding method of a mobile communication terminal in which a threshold value for deciding a paging indicator is variably set according to a SNR of a pilot channel. If the SNR...
7224715 Method and system for maximum likelihood clock and carrier recovery in a direct sequence spread spectrum communication system  
The present invention provides a method and system for clock and carrier recovery in a direct sequence spread spectrum communication system. The process involves the receiver receiving a digital...
7200368 Transmit diversity method and system  
The present invention relates to a method and system for transmitting in a wireless communication system, a transmission signal divided into at least two signal parts by using transmission beams...
7194019 Multi-pulse multi-delay (MPMD) multiple access modulation for UWB  
A new modulation scheme in UWB communications is introduced. This modulation technique utilizes multiple orthogonal transmitted-reference pulses for UWB channelization. The proposed UWB receiver...
7187706 Handoff and source congestion avoidance spread-spectrum system and method  
A spread-spectrum, code-division-multiple-access (CDMA), system with a remote station (RS) communicating with a first base station (BS). The remote station receives the first BS-packet signal, and...
7184715 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Tuning a station
 
A method of tuning a station is disclosed, wherein a first pilot signal is applied on a circuit of the station and the resulting output power of the signal circuit is subsequently detected. A...
7180873 Spread spectrum code division destination access (SS-CDDA) for satellite communication system with distributed gateways  
A code division multiplexing system for a link between components of a satellite communications system is disclosed where, using spread spectrum techniques, channel blocks are each spread by a...
7181170 Apparatus and method for adaptive broadcast transmission  
An apparatus and method for adaptive broadcast transmission. A broadcast transmission can be received. Insufficiency of a broadcast channel quality can be determined. A negative acknowledgement...
7167503 Distributed spread-spectrum network  
A distributed spread-spectrum network, comprising remote stations and nodes. One or more hub node(s) connect(s) to a central telephone office. A node's spread-spectrum transceiver communicates,...
7161971 Sending transmission format information on dedicated channels  
Transmissions on the dedicated channel are encoded using a set of paramaters that are picked from a large selection of potential parameters. If the remote station does not know the particular set...
7161973 Pilot aided adaptive minimum mean square interference cancellation and detection  
A modified adaptive minimum mean square error (MMSE) receiver detects a spread spectrum signal, minimizing interference among multiple users. The receiver receives multiple pilot bits and...
7158556 Reliable conveyance of orthogonal space information  
The contents of a counter at a remote station is used to select a Walsh cover, which is used to cover the acknowledgment or negative acknowledgment bits sent on a new reverse acknowledgment...
7154934 Robust, low complexity communications system with interference mitigation  
A system for short range communications includes a transmitter capable of transmitting a colored noise-like preamble. A receiver receives the colored noise-like preamble and the receiver includes...
7151791 Device for regenerating data from signals transmitted through plural antenna  
A device for restoring data from signals transmitted through plural antenna includes a plurality of despreading units to restore pilot and data signals by means of pilot and data Walsh codes, a...
7149238 Highly bandwidth-efficient communications  
A discrete multitone stacked-carrier spread spectrum communication method is based on frequency domain spreading including multiplication of a baseband signal by a set of superimposed, or stacked,...
7139303 Transmission method of words representing transmission parameters respectively allocated to mobile stations communicating with base station in mobile communication system  
Method for transmitting a word representative of transmission parameters respectively allocated to the mobile stations in communication with a base station of a mobile telecommunication system,...
7139304 Method and apparatus for controlling gain level of a communication channel in a CDMA communication system  
In a code division multiple access communication system (100), a method and an accompanying apparatus provide for an efficient control of a gain level of a communication channel at various...
7139302 Code division multiple access enhanced capacity system  
A code division multiple access (CDMA) communication system using spread spectrum signaling over a communication bandwidth uses two different signal spectra generated using two different...
7133433 Method and apparatus for enhancing data rates in spread spectrum communication systems  
A high data transmitter and a high data receiver that uses both Walsh codes and quasi orthogonal functions in spreading and despreading transmitted and received signals.
7133432 Collision mitigation methods used in a communication system  
A signal that has been received over a first channel is estimated. A set of channels that the signal will be received over is determined. Based on the estimated signal and the set of channels, the...
7130355 Amelioration in inter-carrier interference in OFDM  
In an environment where the transmission medium leading to the receiver is time-variant within a block of received signals, and where transmission medium has an finite impulse response extending...
7110433 Spread spectrum, cross-correlated and filtered modulated systems  
Spread Spectrum baseband signals, in-phase and quadrature-phase cross-correlated baseband signals and other filtered baseband signals connected to modulators for providing modulated signals....
7110436 CDMA receiving apparatus with transmission power control using previous SIR value  
A CDMA receiving apparatus includes a receiving section, a memory circuit, an estimating circuit and a generating circuit. The receiving section generates a baseband signal from a received radio...
7099380 Apparatus for antenna diversity for wireless communication and method thereof  
A method and an apparatus for selecting an antenna from an antenna diversity array in a wireless communication system are provided. The method includes the steps of modulating an incoming signal...
7099373 Noise shaping technique for spread spectrum communications  
A spread spectrum noise shaper uses a modulation technique to achieve a greater signal-to-noise or signal-to-interference ratio (SNR or SIR). The technique doubles the system SIR, in principle....
7085307 Methods and apparatus for transmitting data over a CDMA network  
The use of cyclic prefixes with OFDM transmissions is known. Typically the prefix length is chosen to be at least as long as the duration of significant multipath in the transmission channel....
7079824 Reception of multicarrier spread-spectrum signals  
A system (100), receiver (160-190) and method of operation for spread OFDM wireless communication (single user OFDM-CDMA with cyclic-prefix) by: equalizing the received spread OFDM signal (y) and...
7075971 Hybrid DSMA/CDMA (digital sense multiple access/code division multiple access) method with collision resolution for packet communications  
A hybrid DSMA-CR/CDMA methodology provides efficient access to one of a group of packet channels in a spread spectrum wireless communication network. The base station broadcasts status information...
7072380 Apparatus for initial power control for spread-spectrum communications  
A code-division-multiple-access (CDMA) system employing spread-spectrum modulation. The CDMA system has a base station (BS), and a plurality of subscriber units (SUs). The signals transmitted...