Matches 1 - 50 out of 249 1 2 3 4 5 >
Match Document Document Title
7400672 Method and system for detecting transmitter errors  
A system for detecting transmission errors in a data transmission system includes a receiver for receiving a data packet transmitted thereto by a corresponding transmitter and transmitting the data...
7398411 Self-calibrating time code generator  
Provided is a self-calibrating time code generator and method for generating an accurate time code (e.g., an accurate IRIG waveform). The self-calibrating time code generator includes a...
7395094 Method and apparatus for synchronizing a smart antenna apparatus with a base station transceiver  
A method of synchronizing a smart antenna apparatus with a base station transceiver includes receiving at the smart antenna apparatus control signals being communicated from a base station...
7394857 Flexible versatile low-cost wireline transmit driver  
A versatile, programmable, low-cost transmit line driver is provided. The line driver includes a digital-to-analog converter that receives a digital input and provides an analog output. The line...
7388933 Wireless communication system having adaptive threshold for timing deviation measurement and method  
A system and method of wireless communication determines received signal timing deviation which is used to generate a timing advance for adjusting wireless transmit receive unit (WTRU)...
7386277 Communication system and method for increasing communication efficiency  
A mobile communication system capable of increasing communication efficiency and a method therefor are provided, including a receiver for grouping n MCS levels (where n>0) into continuous m MCS...
7386079 Seamless clock  
System ( 10 ) comprising at least two units ( 1, 2 ) with clock functionality, the units being coupled to a common system clock line (SCLK), a common internal clock line (ICLK), and a logic bus...
7376212 RF isolator with differential input/output  
A system for providing voltage isolation includes the first and second chips, each containing functional circuitry. The chips are interconnected via at least one RF isolation link that provides...
7372930 Method to synchronize data and a transmitter and a receiver realizing said method  
A method to realize synchronization of data (DAT) sent from a transmitter (TX) to the receiver (RX), with a signal (SIG) available in the receiver (RX). The method includes the following steps: in...
7372872 System and method for monitoring upstream and downstream transmissions in cable modern system  
A network monitor includes means for monitoring downstream traffic from a cable modem termination system (CMTS) to a cable modem (CM), means for monitoring upstream traffic from the CM to the CMTS,...
7362816 Inversion of channel distortion by adaptive wavelet lifting  
A method for inverting telecommunication channel distortion by adaptive wavelet lifting. The distortion signal is analyzed using wavelet lifting and the inverse filter is computed. Coefficients of...
7359470 Minimizing feedback rate for channel state information in MIMO systems  
A method minimizes a rate for feeding back channel state information from a receiver to a transmitter in a multi-input, multi-output communications systems. A temporal autocorrelation function of...
7352715 Time synchronization using dynamic thresholds  
Methods and apparatus for time synchronization using dynamic thresholds. A method for synchronizing network elements includes receiving at a network element a time synchronization message sent from...
7336727 Generalized m-rank beamformers for MIMO systems using successive quantization  
The telecommunications system described herein implements a multi-rank beamformer for use in wireless systems equipped with multiple transmit and multiple receive antennas. The multi-rank...
7317775 Switched deskew on arbitrary data  
A method and circuit capable of handling skew between a clock and data signal up to +/− one half bit on a random input data pattern. A digital algorithm cycles through each data bit and...
7292666 Time difference adjustment circuit  
In a first stage, each of level detection circuits compares a transmission signal and a first reference voltage Vr 1 to detect a rising edge, and phase difference detection circuits detect phase...
7286624 Two-way RF ranging system and method for local positioning  
A positioning system includes a plurality of devices configured to exchange RF signals with one another. A first device periodically receives a message from each other device during time slots...
7275174 Self-aligning data path converter for multiple clock systems  
A system and method for aligning an input signal ( 24 ) synchronized to a first clock signal ( 22 ) with a second clock signal ( 26 ) The invention includes a mechanism ( 106 ) for generating a...
7248661 Data transfer between phase independent clock domains  
An integrated circuit arrangement clocked by a single clock having variable delays to different regions of said arrangement such that said regions are partially synchronized to each other, the...
7242732 Carrier based backwards compatible data networking transmitter, receiver, and signal format  
New version packet data devices support a backwards-compatible signal format. New version devices operate within a first frequency band while old version devices operate within a second frequency...
7230980 Method and apparatus for impulse radio transceiver calibration  
A method for calibrating an impulse radio distance measuring system comprising an impulse radio transceiver by conducting a pulse through a transmit receive switch to an antenna, receiving return...
7224758 Multiple transmit antenna weighting techniques  
Provided are techniques for the adjustment of antenna transmission weighting values in a communications system that utilizes multiple transmit antennas. A first signal is transmitted on a first...
7221687 Reference timing architecture  
A reference timing architecture is disclosed that provides a level of flexibility that was not available with the architecture in the prior art. In particular, the present invention provides for...
7216047 Time-delay discriminator  
A method of determining the delay between two corresponding noise-like signals comprises determining events at which the level of a first of the signal crosses a predetermined threshold, using each...
7206353 Mobile communication apparatus including an antenna array and mobile communication method  
A mobile communication apparatus having an antenna array and a mobile communication method performed in the mobile communication apparatus, wherein the mobile communication apparatus includes a...
7203225 Method of phase controlling of a data signal, counter clock circuit arrangement, and interface device  
The invention relates to a method of phase controlling a data signal transmitted from a data source to a data sink using a counter clock approach, wherein the phase of a data sink clock is compared...
7197096 Compensation of reference frequency drift in system requiring critical upstream timing  
Systems and methods are disclosed for to compensating reference frequency drift in a communications system having a plurality of modems and a headend, where the system requires critical upstream...
7180935 System and method for compensating for delay time fluctuations  
A method is provided for time control of data transmission from a first module to a further module. An electronic system also is provided having a first module from which data is sent via a...
7154960 Method of determining the capacity of each transmitter antenna in a multiple input/multiple output (MIMO) wireless system  
The per antenna capacity of each of the transmitter antennas in a MIMO system are individually determined from measurable information at the receiver end. Specifically, the channel capacity for...
7149267 Input circuit and output circuit  
An input circuit includes: a comparator; first and second delay circuits; a selector; an input buffer; and a holding circuit. The comparator compares the leading and/or trailing edges of a data...
7136441 Clock recovery circuit  
A driver and a receiver supply a data signal, which is based on serial data having a regular bit pattern, such as a clock, which includes 1's and 0's alternating with each other during an...
7120814 System and method for aligning signals in multiple clock systems  
A system and method for aligning an input signal ( 24 ) synchronized to a first clock signal ( 22 ) with a second clock signal ( 26 ). The invention includes a mechanism ( 106 ) for generating a...
7120132 Apparatus and method for synchronization of uplink synchronous transmission scheme in a CDMA communication system  
Disclosed is a method for synchronizing a scrambling code in a CDMA communication system including a UTRAN (UMTS Terrestrial Radio Access Network) and a plurality of user equipments (UEs), using...
7117001 Simultaneous voice and data communication over a wireless network  
A system, method and computer readable medium for communicating data over a voice channel on a wireless device ( 300 ) is disclosed. The method on a wireless device ( 300 ) includes establishing an...
7110785 Performing power control in a mobile communications system  
A mobile communications system includes base stations and mobile units. A power control scheme is provided in which a mobile unit can enter into a discontinuous transmission (DTX) mode. During DTX...
7110484 Method and arrangement for changing parallel clock signals in a digital data transmission  
A changeover arrangement for the clock signals of parallel transmission connections of an assured data transmission link, wherein a clock signal is sent for the transmission paths by parallel...
7106821 Data modulation method, data modulation device and communication device  
A data modulation method and a data modulation device and a communication device are disclosed. The present invention relates to the synchronization and training preamble. The reference symbol...
7103029 Transmitter gain stabilizing apparatus  
Disclosed is a transmitter gain stabilization apparatus which uses feedback control to stably control the gain of a radio base-station transmitter in a CDMA mobile communication system. The...
7099354 Method and apparatus for frequency and timing distribution through a packet-based network  
A reference frequency is distributed through a packet-based network to remote elements in a system. Timing packets are periodically sent from a master timing element, to be received by at least one...
7079609 Method and apparatus for reducing interference within a communication system  
A communication system is designed that reduces co-channel interference when heterogeneous users are sharing spectrum. The system design enables a plurality of pairs of users to communicate their...
7068746 Base station transceiver to radio network controller synchronization filtering function  
A method for synchronizing communications in a wireless communications network wherein time synchronization is performed between a clock master and a clock slave. To achieve synchronization between...
7068726 Near end cross-talk and echo avoider for bi-directional digital communications  
A bi-directional communication link has plural channels with respective masters and slaves at respective ends of respective channels, in which each master issues a Master Tx clock, each slave...
7054391 Receiver based saturation estimator  
A processor-implemented method of estimating the saturation level of a transmitter from a transmitted communication signal received from the transmitter comprises generating a received data signal...
7054356 Method and apparatus for testing serial connections  
A method and apparatus for testing a serial connection is presented. A serial data stream is transmitted from a sending device to a receiving device. The serial data stream is generated using...
7035363 Information signal reception and transmission apparatus and method  
A method and a system for reliably supplying information about an electronic device employed as a primary information signal receiver device to an electronic device employed as a primary...
7035343 Closed loop transmit diversity antenna verification using trellis decoding  
A trellis decoder determines the most likely transmitted phase in response to previously requested phase adjustments and observed transmitted symbols. Maximum a posteriori (MAP) decoding also may...
7035253 Communication timing coordination techniques  
A communication unit ( 30 ) arranged to send transmit data includes a receiver ( 32 ) arranged to recover input data transmitted at a downstream transfer rate in response to a symbol clock ( 20 )...
7031419 Data transmission method and system  
The invention relates to a data transmission system between two transceivers, including: dividing the symbols to be transmitted into blocks, the number of which is divisible by the number of...
7024214 Synchronizing over a number of synchronization mechanisms using flexible rules  
Two computer systems in a network each have a local store that contains a copy of a data item that is to be synchronized. One of the computer systems may be, for example, a mobile device while the...
7003064 Method and apparatus for periodic phase alignment  
In one form, apparatus for aligning clock signals includes first and second logic circuitry for receiving respective first and second clock signals. The first and second clock signals are...
Matches 1 - 50 out of 249 1 2 3 4 5 >