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7623553 |
Method, apparatus, and system for data transmission and processing in a wireless communication environment
According to one aspect of the present invention, a method is provided in which indications of signal quality associated with each of the plurality of user stations are received. Multiple user...
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7602817 |
Low deviation field modulation for transfer of information
An interface receives a packet stream associated with a source and a destination. The packet stream includes multiple packets, each packet including a header and a payload. A system generates a...
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7599348 |
Digital E8-VSB reception system and E8-VSB data demultiplexing method
An enhanced 8-VSB reception system and E8-VSB data demultiplexing method, by which an E8-VSB signal can be stably received as well as a previous ATSC 8VSB signal, is disclosed. Herein, the enhanced...
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7522515 |
Method and system for providing window shaping for multiline transmission in a communications system
A method and system for providing window shaping for multiline transmission in a communications system are described. A last portion of a prefix symbol is extracted. A prefix with a prefix window...
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7471657 |
Method and apparatus for processing a punctured pilot channel
The punctured pilot channel comprises information symbols of uncertain sign punctured into a sequence of pilot channel symbols of predetermined sign. The apparatus includes an information sign...
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7428251 |
Control and supervisory signal transmission system
An intermediate station transmits a supervisory signal sent form a given controlled device to a controlled device associate with the given device as a control signal. An intermediate-station input...
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7403753 |
Receiving system operating on multiple audio programs
A receiver contains a demodulator system that can deliver a stream of digital data comprising at least a first and a second audio program. If a user selects the first audio program, the receiver...
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7319775 |
Wavelet domain watermarks
A wavelet domain watermark encoder and decoder embed and detect auxiliary signals in a media signal, such as a still image, video or audio signal. A watermark orientation signal is embedded in a...
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7307943 |
Mobile station, base station, communication system, and communication method
A mobile station, and corresponding system and method, the mobile station including an IQ multiplexer configured to IQ multiplex transmission data for a data channel and control data for a control...
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7301960 |
Apparatus for and method of control and communication of multiple stations in a TDM network
A system for transmitting and receiving control data in a TDM communications network includes a single master TDM multiplexor and one or more slave TDM muliplexors. The master station stimulates...
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7236503 |
Short range RF communication for jet engine control
A method transmitting a message over at least one of a plurality of radio frequency (RF) channels of an RF communications network is provided. The method comprises the steps of detecting a presence...
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7209495 |
Urgent messages and power-up in frequency hopping system for intemittent transmission
A wireless telemetry system includes many radio transmitters using frequency-hopping carriers for intermittently transmitting very short messages indicative of status of stimuli associated with the...
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7102993 |
Mobile station, base station, communication system, and communication method
A mobile station, and corresponding system and method, the mobile station including an IQ multiplexer configured to IQ multiplex transmission data for data channels, control data for a control...
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7031258 |
Digital data system with link level message flow control
A digital data system comprises a plurality of links for passing messages between nodes, which may be end points such as memory or processing units, or intermediate or branch points such as routers...
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7027466 |
Multiplexer, demultiplexer and multiplex communication system
An optical multiplex communication system includes a multiplexer and a demultiplexer. In the multiplexer, one of two modulated optical pulse train signals is attenuated by an optical attenuator so...
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6987989 |
Base station apparatus provided with array antennas
In an array-antenna base-station apparatus 100 , a relay-station apparatus 110 and a control-station apparatus 120 are connected with optical cables 140, 150 , and, moreover, calibration of...
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6967974 |
Transmission of urgent messages in telemetry system
A radio transmission system including many radio transmitters using frequency hopping carriers to intermittently transmit very short messages indicative of status of stimuli associated with the...
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6954472 |
Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signal
A method of superimposing additional information on a video signal, transmitting it, and detecting the additional information from the transmitted video signal. The additional information is...
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6870858 |
Training sequence based signalling for enhanced general packet radio service (EGPRS)
A method increases the wireless information carrying capability of a single bit-limited message by providing a plurality of different training sequences TS, such as a conventional 41 bit TS and two...
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6868095 |
Control channel implementation in a packet switched communications network
A system and method for implementing a control channel in a packet switched communications network. In a computer network, such as a local area network (LAN) it is known to utilize the Ethernet for...
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6822960 |
Asynchronous transfer mode (ATM) switch and method
An asynchronous transfer mode (ATM) switch includes a switch memory having a plurality of discrete queues. A queue is dedicated to a connection in which a traffic stream is transmitted in cells and...
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6804265 |
Apparatus and method interface improvement for digital circuits
An apparatus comprising a parallel arrangement of circuits is described. Each circuit has a data net input. Each circuit has an indication signal net input configured to transport an indication...
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6775300 |
Clock distribution in a communications network
Clock information related to a reference clock is distributed from a master network node to a slave network node in an asynchronous packet-based network by embedding the clock information into an...
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6683436 |
Self-starting motor control device and method for engine
A control device for driving a self-starting motor for an engine is provided with a control means 4. If a starting switch 7 is switched ON when a start enabling signal of a start limiting means...
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6661771 |
Method and apparatus for interleaver synchronization in an orthogonal frequency division multiplexing (OFDM) communication system
Interleaving methods and apparatus are disclosed for an in-band on-channel digital audio broadcasting system. The guard periods that separate any two adjacent symbols in a conventional OFDM system...
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6567391 |
Device and method for communicating reverse pilot signal in mobile communication system
A mobile station transmits a pilot signal, a common channel signal and a traffic channel signal for a reverse link. The mobile station normally transmits the common channel signal and the pilot...
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6542520 |
Method and arrangement for securing an ADSL connection
In an arrangement for securing an ADSL connection to an ADSL transceiver connected together with a telephone to a common telephone line; there are devices for setting a first number and a second,...
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6538986 |
Data transmission system and method using nQAM constellation with a control channel superimposed on a user data channel
A transmission system using nQAM. A control channel is superimposed on a nQAM data channel. It is desirable to separate control channel data from user data without using a higher level protocol...
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6532242 |
Method for encoding, editing and transmitting digital signals
A digital signal encoding, editing and transmitting method enabling seamless coupling of plural video bitstreams without causing disruption of a decoder buffer. In coupling a second bitstream from...
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6529550 |
Coded stream splicing device and method, and coded stream generating device and method
A system for seamlessly splicing two encoded video streams. In one implementation of the system, one or more coding parameters are extracted from the first and/or second encoded streams and one or...
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6522685 |
Information signal processing unit
A new additional information generating section generates new additional information FS 1 based upon information from an additional information reading section. The spectrum of the new additional...
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6393055 |
Method of switching video sequences and corresponding switching device and decoding system
The invention relates to a method of switching from a first to a second video sequence, in which it is provided, in order to avoid the creation of special access points such as splicing points...
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6370205 |
Method and apparatus for performing DC-offset compensation in a radio receiver
In order to increase accuracy of DC-offset compensation within radio receivers and to ensure that such compensation does not erode the dynamics of the decoders located within the receivers, the...
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6363086 |
Method for combining signals on a digital interface
A method for combining signals being conveyed across a digital interface is disclosed. In one embodiment, a subharmonic of a frequency is superimposed on asynchronous data. The subharmonic can be...
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6337855 |
Method, transmitter and receiver for transmitting training signals in a TDMA transmission system
The invention relates to a TDMA method, transmitter and receiver, wherein a training sequence is modulated and superposed on a data signal to thereby generate a TDMA burst. Thereby, the training...
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6298036 |
Multiplex transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal space
A transmission system for transmitting a data signal with an analog passband signal through a analog transmission line. The data signal is transformed to a signal representing a descrete data...
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6285663 |
Increasing performance in communications by embedding one signal in another signal
In transmitting communication signals to a receiver via a transmission channel, the transmitter generates a composite signal including information from which the receiver can determine a channel...
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6275509 |
Masked signal transceiver
A masked signal transceiver of the present invention comprises a transmitter for transmitting a combined signal of a primary communications signal and an attenuated secondary communications signal...
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6249532 |
Interactive chargeable communication system with billing system therefor
A billing system for use in a chargeable program broadcasting is capable of reliably billing a subscriber for program reception while preventing unauthorized reception thereof. A receiving terminal...
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6219354 |
VDSL cabinet designs and configurations
A system and method for collecting, integrating, and distributing video, data, and telephony signals in a fiber optic communications network for transmission along a twisted copper pair to a...
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6185227 |
Method and packet radio system for transmitting modulation and signalling information
The invention relates to a coding method of signalling information in a packet radio system and to a packet radio system, which comprises at least one base station and subscriber terminal, in which...
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6094452 |
Timing recovery in a network-synchronized modem
A timing technique for a Quantization-Level-Sampling (QLS) modem puts timing information in a downstream pulsed signal transmitted from the public switched telephone network (PSTN) to the QLS...
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6075452 |
Field apparatus and field bus system and method of controlling field apparatus
A field apparatus which allows for migration from an analog signal transmission system to a field bus transmission system without a need to change the configuration of the field apparatus and...
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6038221 |
Device at telecommunications systems using a pattern of time slots
A radio based access network type Digital European Cordless Telecommunication DECT in which powerful and simply-built up network components, such as repeaters are an integral part. The device makes...
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6018513 |
Communication control apparatus
A communication control apparatus, provided with an echo back comparison detecting unit (30) detecting something abnormal of communication data from itself or an abnormal state generated at a data...
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6002694 |
Interactive chargeable communication system with billing system therefor
A billing system for use in a chargeable program broadcasting is capable of reliably billing a subscriber for program reception while preventing unauthorized reception thereof. A receiving terminal...
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5953418 |
Providing selective data broadcast receiver addressability
A method of transmitting data to a plurality of receivers is provided wherein an identifier is assigned to each of the receivers that cannot be ascertained once assigned, a subset of receivers is...
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5952932 |
Communication between master unit and slave unit with efficient protocol
A method of communication between a master unit and a slave unit, including the steps of: sending at least a command byte from the master unit to the slave unit including data byte counter bits to...
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5940429 |
Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal
An auxiliary data signal is transported with a primary data signal by hiding the auxiliary data signal in the form of colored noise. The colored noise has a spectrum that simulates the spectrum of...
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5936961 |
Signalling packet for communication system with reference modulated in accordance with a time-dependent law
A signalling packet for a communication system has a reference signal to support time and frequency synchronization. The reference signal is modulated so that it varies with time according to a...
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