|
Match
|
Document |
Document Title |
|
|
US20090285263 |
ULTRA-WIDEBAND RECEIVER
A receiver for receiving a signal that is representative of a plurality of sub-carriers modulated in dependence on transmit data, the receiver being arranged to determine a plurality of candidate...
|
|
|
US20090285262 |
ANTENNA APPARATUS OF PORTABLE TERMINAL
An antenna apparatus of a portable terminal and method for implementing characteristics of the antenna apparatus of the portable terminal are disclosed. The antenna apparatus includes a circuit...
|
|
|
US20090274226 |
SOUNDING CHANNEL BASED FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM
An apparatus and method for providing sounding channel based feedback in an OFDM communication system includes a first step ( 400 ) of defining a sounding channel spread out over multiple OFDM...
|
|
|
US20090270037 |
INFORMATION TRANSMITTING METHOD, ELECTRONIC APPARATUS, AND WIRELESS COMMUNICATION
An electronic apparatus is provided including a wireless communication unit transmitting first category information and a wire communication unit transmitting second category information, and the...
|
|
|
US20090268783 |
WIRELESS COMMUNICATIONS SYSTEMS AND/OR METHODS PROVIDING LOW INTERFERENCE, HIGH PRIVACY AND/OR COGNITIVE FLEXIBILITY
Communications systems and/or methods are disclosed that can provide extreme privacy, cognitive radio capability, robustness to fading and interference, communications performance associated with...
|
|
|
US20090268782 |
CFR ESTIMATION METHOD FOR MULTI-BAND OFDM-BASED UWB SYSTEMS
A multi-stage CFR estimation method for multi-band OFDM-based UWB systems is provided. The method comprises obtaining a CFR estimation ĥ r (1) by performing LS estimation using a channel...
|
|
|
US20090268781 |
UWB TRANSMITTING/RECEIVING APPARATUS, UWB TRANSMITTING/RECEIVING TERMINAL APPARATUS, AND UWB TRANSMITTING/RECEIVING SYSTEM
A UWB transmitting/receiving apparatus, a UWB transmitting/receiving terminal apparatus and a UWB transmitting/receiving system wherein a possibly reduced number of data retransmissions is achieved...
|
|
|
US20090267746 |
Multi-Port Receiver
A multi-port receiver with a sophisticated signal processing technique for demodulating radiofrequency (RF) modulated digital signals that simplifies the multi-port receiver hardware. A section of...
|
|
|
US20090262784 |
MIXER CIRCUIT AND COMMUNICATION APPARATUS INCLUDING MIXER CIRCUIT
A mixer circuit which outputs a first output signal and a second output signal, in which are mixed a first input signal and a second input signal, includes a first grounded source amplifier circuit...
|
|
|
US20090257528 |
QUADRATURE MODULATION WITHOUT CARRIER
Transmitters, receivers and associated methods are disclosed for providing phase and amplitude modulation in a carrier-less communication system (e.g., an ultra-wide band communication system). An...
|
|
|
US20090257472 |
INTERFERENCE CANCELLATION IN A SPREAD SPECTRUM COMMUNICATION SYSTEM
A code division multiple access communication system transmits a pilot and traffic signal over a shared spectrum. The pilot and traffic signal have an associated code and are received over the...
|
|
|
US20090257471 |
COMMUNICATION DEVICE, NOISE REMOVING METHOD, AND PROGRAM
A communication device according to an embodiment of the present invention includes a communication antenna that receives a transmission signal where a spectrum spread signal subjected to a...
|
|
|
US20090252202 |
METHOD AND APPARATUS FOR ENHANCED DECODING IN MULTI-BAND ULTRA-WIDEBAND COMMUNICATIONS
A data transmission and reception method includes transmitting a plurality of position data bits and a amplitude bits with each of the pulses. The method also includes decoding the position bits...
|
|
|
US20090245327 |
SELECTIVE NOISE CANCELLATION OF A SPREAD SPECTRUM SIGNAL
A method is provided for improving a signal-to-noise ratio in a received signal. The method involves receiving a spread spectrum signal (SSS) with a power level below a noise floor of a receiver....
|
|
|
US20090238240 |
SINGLE-CARRIER BURST STRUCTURE FOR DECISION FEEDBACK EQUALIZATION AND TRACKING
Certain aspects of the present disclosure relate to a method for employing a special format for transmitting data blocks which allows parallel equalizations at a receiver. By applying parallel...
|
|
|
US20090225809 |
METHOD OF DIFFERENTIAL SPACE-TIME CODING
The present invention relates to a differential space-time coding of blocks of 2, 4 or 8 information symbols belonging to a 2-PPM modulation alphabet, for a pulse UWB MIMO system with 2, 4 or 8...
|
|
|
US20090224878 |
SPREAD SPECTRUM COMMUNICATION SYSTEM AND COMPONENTS THEREOF
Provided is a spread spectrum communication system in which the data rate can be varied through a relatively simple constitution. A slave station estimates the distance to a master station by using...
|
|
|
US20090219975 |
Ultra wide band device for detection and avoidance of ultra wide band signal
Example embodiments are directed to a method for detection and avoidance (DAA) of an ultra wide band (UWB) signal and a UWB terminal. The method includes: shifting a data signal by a desired...
|
|
|
US20090219974 |
VARYING DEVICE IDENTITIES
A communication device comprises a memory for storing a device identity; a data transmitter for supporting communication links with other devices; and a communication controller, wherein the...
|
|
|
US20090219973 |
Pulse modulation and demodulation in a multiband uwb communication system
In a wireless communications system, such as a multiband Ultra Wideband communications system, data is transmitted by means of the phases of pulses in multiple frequency bands. A signal is...
|
|
|
US20090213901 |
METHOD FOR MANAGING THE OPERATION OF A WIRELESS APPARATUS CONFIGURED TO EXCHANGE INFORMATION WITH A MILLIMETER-WAVE COMMUNICATION DEVICE, AND CORRESPONDING APPARATUS
A wireless apparatus includes a millimeter-wave communication interface configured to exchange information within a millimeter-wave communication network, an UWB communication interface and control...
|
|
|
US20090207887 |
APPARATUS AND METHOD FOR TRANSMITTING FEEDBACK INFORMATION IN BROADBAND WIRELESS ACCESS SYSTEM
An apparatus and method for transmitting feedback information are provided. In a method of operating a transmitter for transmitting feedback information in a broadband wireless access system, the...
|
|
|
US20090207886 |
Apparatus and method for synthesizing and generating an SSC modulated signal
A system and method for synthesizing and generating the SSC modulated signal with precision and in a controlled manner is provided. In one embodiment the system may be integrated in an arbitrary...
|
|
|
US20090207885 |
Delay estimation apparatus and method
Delay estimation apparatus and method, comprising: a correlation step which a correlation function between a received signal and a supplied template waveform is generated, AD conversion step at...
|
|
|
US20090201973 |
APPARATUS FOR TRANSMITTING DATA AND ADDITIONAL INFORMATION SIMULTANEOUSLY WITHIN A WIRE-BASED COMMUNICATION SYSTEM
An apparatus is provided for transmitting data signals and additional information signals having partially overlapping frequency bands simultaneously within a wire based communication system over...
|
|
|
US20090190631 |
METHOD FOR GENERATING A SPREAD SPECTRUM CLOCK AND APPARATUS THEREOF
A method for generating a spread spectrum clock includes the steps of providing a reference clock having a reference period; generating a plurality of output clocks respectively having different...
|
|
|
US20090180519 |
DRIVING METHOD OF GLOBAL POSITIONING SYSTEM USING SHORT-RANGE COMMUNICATION
A global positioning system using Bluetooth technology, including: a first Bluetooth master that receives satellite orbit information; a Bluetooth slave that communicates with the first Bluetooth...
|
|
|
US20090180518 |
Ultrawideband Radio Transmitting Apparatus, Ultrawideband Radio Receiving Apparatus, And Ultrawideband Radio Transmitting-Receiving Apparatus
A digital data that includes at least two bits is input to a chirp modulation unit. On the basis of either one of these two bits, a frequency variable range is selected as either a frequency...
|
|
|
US20090180517 |
DATA TRANSMITTING/RECEIVING METHOD AND APPARATUS IN UWB COMMUNICATION SYSTEM
A data transmitting/receiving method and apparatus for allocating optimal sub-bands and transmission power levels and transmitting data in a ultra wide band (UWB) communication system. The method...
|
|
|
US20090168843 |
POWER-SAVING RECEIVER CIRCUITS, SYSTEMS AND PROCESSES
An electronic circuit includes a receiver circuit (BSP) operable to perform coherent summations having a coherent summations time interval, and a power control circuit ( 2130 ) coupled to said...
|
|
|
US20090154527 |
PULSE GENERATOR, TRANSMITTER-RECEIVER, AND PULSE GENERATION METHOD
A pulse generator with a filter section limiting a band of an input signal, and a pulse generating section generating a plurality of pulses which are sequentially delayed one after another by a...
|
|
|
US20090154526 |
RADIO RECEIVING APPARATUS AND RADIO RECEIVING METHOD
A radio receiving apparatus of the present invention is for receiving a radio signal having pulsating signals occurring at specific periods, wherein the radio receiving apparatus corrects signal...
|
|
|
US20090147833 |
Multi-path detection method for CDMA recievers
The present invention provides a method for a multi-path detection analysis and selectivity of CDMA signals using spread spectrum receivers using a correlation technique. The invention is based on...
|
|
|
US20090147828 |
METHOD AND APPARATUS FOR GENERATING A PERMUTATION FOR REVERSE LINK HOPPING IN WIRELESS COMMUNICATION SYSTEM
A method and apparatus for generating a permutation for reverse link hopping is provided, comprising initializing permutation constants, determining a value for p such that i<2 p wherein i is a...
|
|
|
US20090147827 |
Methods, Systems, and Computer Program Products for Implementing Spread Spectrum Using Digital Signal Processing Techniques
Implementing spread spectrum using digital signal processing techniques. An incoming clock signal is received and sampled using a programmable sampling mechanism to generate a plurality of signal...
|
|
|
US20090141774 |
SPREAD SPECTRUM CLOCK GENERATOR CAPABLE OF FREQUENCY MODULATION WITH HIGH ACCURACY
In a spread spectrum clock generator, a DLL circuit delays an oscillation clock signal from a VCO and outputs ten delay clock signals having different phases respectively. A selector selects any...
|
|
|
US20090137258 |
PROVISION OF DOWNLINK PACKET ACCESS SERVICES TO USER EQUIPMENT IN SPREAD SPECTRUM COMMUNICATION NETWORK
A method of providing a packetized data transmission service to a mobile terminal in a spread spectrum communication network, includes: at a transmitter, broadcasting an indication message to a...
|
|
|
US20090135885 |
NON-LINEAR FEEDBACK CONTROL LOOPS AS SPREAD SPECTRUM CLOCK GENERATOR
This patent disclosure presents circuits, systems and methods to spread a clock signal to produce a random spreading for the clock signal that offers the maximum possible power density reduction...
|
|
|
US20090135053 |
CODE GENERATION APPARATUS
The code generation apparatus includes: a clock generation unit ( 160 ) which generates a clock signal of a first frequency; a timing control unit ( 130 ) which generates a timing signal of a...
|
|
|
US20090129524 |
SPREAD SPECTRUM CLOCK GENERATORS
Spread spectrum clock generators. A phase lock loop generates an output clock according to a first input clock and a second input clock, a delay line is coupled between the first input clock and...
|
|
|
US20090129442 |
CDMA UNII LINK
Techniques and systems for mediating traffic between a network transceiver and a user transceiver in a wireless communication system are disclosed. A network link with the network transceiver is...
|
|
|
US20090129441 |
UWB Receiver and a Data Transmission Method and System
The present invention relates to an ultra-wideband signal receiver comprising:
at least a first set of sampling cells for sampling the waveform of a received signal; at least a second set of...
|
|
|
US20090122840 |
ULTRA-WIDEBAND COMMUNICATION SYSTEM PROVIDED WITH A FREQUENCY CONTROLLED DISPERSIVE ANTENNA
Radiocommunication equipment and method comprising at least the following elements: at least one frequency scan antenna ( 1 ) connected to a modem ( 3 ) adapted to generate a spectrum OFDM...
|
|
|
US20090122775 |
METHODS AND ELECTRONIC DEVICES FOR WIRELESS AD-HOC NETWORK COMMUNICATIONS USING RECEIVER DETERMINED CHANNELS AND TRANSMITTED REFERENCE SIGNALS
Electronic devices for communicating in wireless ad-hoc networks and multiple access systems (such as mobile radio telephone communications systems) are disclosed. For example, a disclosed...
|
|
|
US20090116472 |
Initiation of High Speed Overlay Mode for Burst Data and Real Time Streaming (Audio) Applications
In a wireless 802.15.4 communication system, a method and system are provided for switching between a predetermined protocol transmission mode and a high-speed transmission mode by including...
|
|
|
US20090111390 |
RADIO COMMUNICATIONS SYSTEM DESIGNED FOR A LOW-POWER RECEIVER
The invention relates to methods by which radio signals can be transmitted to, and received by, a radio receiver such that the receiver consumes very little power from a battery or energy source....
|
|
|
US20090110032 |
Method of Reusing Spreading Codes
A method of wireless data communication. The method includes the step of receiving a feedback indicator signal at two or more points in space from two or more transmission paths. Each transmission...
|
|
|
US20090110031 |
MILLIMETER WAVE BEACONING WITH DIRECTIONAL ANTENNAS
A wireless device comprises a code-assignment module configured for assigning Golay codes to be used for spreading, a spreading module configured for spreading data with the Golay codes to produce...
|
|
|
US20090103592 |
MYRIAD FILTER DETECTOR FOR MULTIUSER COMMUNICATION
An adaptive receiver for multiple access communication, illustratively UWB multiple access communication, is provided. One embodiment of a detector is derived based on the finding that an symmetric...
|
|
|
US20090103589 |
Incoherent type mimo UWB communication system
This invention relates to a space-time coding process for a pulse type MIMO-UWB system using symbols belonging to a PPM modulation alphabet. Orthogonality of signals emitted by the different...
|