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7593140 |
System and method for generating dynamically modifiable timing control signals
A system and method for generating dynamically modifiable timing control signals. Timing waveforms can be changed, for each phase of control, by changing the contents of memory locations and...
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7587170 |
Digital radio data system receiver methods and apparatus
Methods and apparatus are provided for receiving a first signal and generating an output signal indicative of radio data system (“RDS”) information. A receiver circuit of the invention can...
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7532861 |
Connection interface for conveying RF, data, and power between electronic devices
An interface enables an RF signal, a DC power signal, and a data signal to be conveyed between two devices over a single RF cable. In an exemplary application of this invention, a steerable antenna...
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7532681 |
Wireless communication apparatus
Before data is transmitted from a plurality of antennas, a plurality of known symbol sequences are transmitted from these antennas. Each known symbol sequence contains a plurality of known symbols...
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7526254 |
Digital radio front end with minimized IF signal path
A digital down converter (DDC) can be provided in a digital radio receiver front end to produce baseband I and Q signals using mixing, decimating and narrow and wide filtering dependent upon the...
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7499439 |
Method for controlling transmission rates in a wireless communications system
A method is provided for controlling communications between a base station and a mobile device. The method comprises transmitting a pilot signal having at least one transmitted characteristic over...
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7437167 |
Apparatus, system, and method for locating a transceiver using RF communications and radio services
An apparatus, system, and method are provided for locating a transceiver using RF communications and radio services. The apparatus, system, and method include a transceiver that receives an RF...
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7433577 |
Method and apparatus for reproducing television broadcast program digest
An apparatus for reproducing a television broadcast program digest which stores a broadcast signal indicative of contents of at least one television broadcast program and guide data of the at least...
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7403754 |
Tower discovery and failover
Described is a communication system including wireless client devices. In the described system, the client devices may be wrist-worn watches such as are in common use today, except that the watches...
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7376173 |
Unambiguously encoding and decoding signals for wireless channels
A method encodes a sequence of blocks of input bits to be transmitted over a wireless channel. Each block of input bits is converted to a codeword, and each codeword is mapped to multiple...
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7349691 |
System and apparatus for performing broadcast and localcast communications
Described is a communication system including mobile communication devices. In the described system, the mobile devices many be wrist-worn watches such as are in common use today, except that the...
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7304939 |
Communication using simultaneous orthogonal signals
Wireless communication is improved by simultaneously transmitting signals that are orthogonal to received signals. This technique is referred to as Orthogonal Division Duplexing or ODD. Channel...
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7289765 |
OFDM demodulator
An OFDM demodulator includes an FFT circuit, a phase correction circuit, and a timing synchronization circuit. The timing synchronization circuit includes a symbol-boundary calculation circuit to...
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7263362 |
System and method for deploying multi-function access points in a data network
An apparatus is described comprising: telephony circuitry electrically coupled to a telephone network, the telephony circuitry to transmit and receive telephone signals over the local telephone...
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7236739 |
Apparatus and method for coordinated music playback in wireless ad-hoc networks
The present invention details a novel application of wireless networking and digital music technologies to achieve coordinated and synchronized music playback among peer listeners connected by...
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7224939 |
Audio broadcast receiving apparatus and method
An audio broadcast receiving apparatus and an audio broadcast receiving method implemented by the audio broadcast receiving apparatus are disclosed. A tuner simultaneously receives a radio wave in...
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7221911 |
Multi-band ultra-wide band communication method and system
The present invention provides ultra-wide band communication systems and methods, including multi-band ultra-wide band communication systems and methods. Methods and systems are provided in which...
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7215955 |
Method and system for restoring a subscriber context
A method and system for restoring a subscriber context in a network element of a mobile communication network is described, wherein a new subscriber context which has been updated after the latest...
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7215927 |
Radio communication apparatus and radio transmission method
In order to improve system throughput in a radio transmitting apparatus of a multicarrier system in which transmission is performed simultaneously to a plurality of receiving stations using...
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7194288 |
Periodic ranging in a wireless access system for mobile station in sleep mode
A method of performing a ranging process between a base station and a mobile station in sleep mode in a wireless access system, wherein the base station provides the mobile station with an initial...
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7194235 |
System, method, and apparatus for facilitating media content channels
A system, method and apparatus that enables end user ( 402 ) of mobile terminal ( 430 ) to establish primary content channel ( 426 ) having primary content feedback provided via path ( 434 ). In...
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7099626 |
Method and apparatus for gain equalization based on wide-band multi-carrier base station
A method and apparatus of gain equalization based on a wide-band multi-carrier base station calculates or tests non-uniformity of a gain of an analog intermediate frequency and a radio frequency in...
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7096051 |
Enhancing signals in a two-way radio system
Embodiments of the present invention can be used to enhance signals in a peer-to-peer radio system, such as a two-way radio system. In one embodiment, the invention includes receiving a...
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7088683 |
Communication system and device under OFDM system
Communication between a stationary terminal such as an on-road terminal and a mobile terminal mounted on an automotive vehicle is performed under an OFDM system. Before transmitting data signals...
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7023897 |
Transmission circuit
A transmission circuit includes a baseband circuit, spreading section, multiplier, digital modulator, quadrature modulator, and antenna. The baseband circuit generates and outputs at least one...
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6993290 |
Portable personal radio system and method
An information handling system includes a content database for storing content, a receiver for receiving information relating to a subscriber personal profile including subscriber content...
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6978026 |
Circuit arrangement for gaining a stereo subcarrier and an RDS carrier
According to the invention, a circuit arrangement for gaining a 38 kHz stereo subcarrier and a 57 kHz RDS carrier for decoding a stereo signal comprised in a demodulated FM signal and/or an RDS...
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6957053 |
Method for selection of a receiver tuning frequency
Method for tuning the reception of radio broadcast signals to an FM RDS transmitter using program related data and transmitter related data and receiver executing the method, providing a band...
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6934514 |
System for transmitting digital signals with FM signals
A system for transmitting digital signals in the same band and on the same channel with FM signals is disclosed. The design of the system according to the present invention includes a coupler,...
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6915109 |
Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system
In a method of operating a remote control system and in such a system comprising an RF transmission and receiving system and an IR transmission device the sub-carrier information of the IR signal...
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6915107 |
Revenue generating method of broadcasting on FM subcarrier
A method of generating advertising revenue by securing an FM subcarrier frequency through an FM broadcasting station and distributing portable receivers to end users tailored to play the audio...
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6901242 |
System and method for mitigating intermittent interruptions in an audio radio broadcast system
A system is provided wherein a primary radio signal and a redundant radio signal are transmitted from a transmitter subsystem and received by a receiver subsystem. The output of an audio source is...
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6847802 |
Transmitter-receiver apparatus with signal coding unit according to RDS standard
A signal-coding unit, to be used with a radio receiver compatible with the RDS standard, receiving as input an input signal according to RDS standard comprising not indicative information about the...
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6754477 |
RADIO BROADCASTING SERVICE, A TRANSMITTER AND A RECEIVER FOR USE IN SUCH A SYSTEM, A RADIO BROADCASTING METHOD AND A RADIO BROADCASTING SIGNAL, IN WHICH A DATA SIGNAL ACCOMPANYING A PROGRAM SIGNAL INCLUDES DATA OF A DATA SERVICE AND INFORMATION PERTAINING TO THE DATA SERVICE
A radio broadcasting system, transmitter, receiver, method and signal are provided wherein a program signal is combined with a data signal, the data signal not only includes information on an...
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6725013 |
Communication system having frequency reuse in non-blocking manner
A communications system ( 10 ) and method of operating the communications system includes a high altitude communication device ( 12 ) that communicates with a plurality of user terminals and a...
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6711390 |
Program related data in an FM RDS receiver
Method for processing transmitter and program related data in an FM RDS receiver and receiver executing the method, providing a band scanning search for detecting FM RDS transmitters exceeding a...
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6697608 |
Digital audio/visual receiver with recordable memory
A typical radio receiver ( 20 ) for DAB or DVB has recordable memory ( 33 ) for selecting broadcast digital information. To simplify retrieval of the information, the selection means ( 27 ) is...
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6693970 |
QAM modulator
Known digital QAM modulators use sine/cosine memories and a plurality of multipliers. This can be avoided by replacing the circuitry which carries out the circular rotation of [I(n), Q(n)]T...
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6647245 |
Subsidiary communication authorization (SCA) radio turner
A complete process is described for demodulating subsidiary communications authorization (SCA) radio signals. This process takes as an input an FM radio signal from a commercial FM telescoping type...
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6587777 |
System and method for location based traffic reporting
The illustrated embodiment of the present invention provides an efficient means of obtaining traffic information selectively tailored to a motor vehicle's current location. It allows additional...
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6505050 |
Method and apparatus for suppressing route request messages for wireless gateway applications
Method and apparatus for suppressing route request messages for wireless gateway applications by establishing a relationship between a serving mobile switching center identifier and a facility...
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6466776 |
Receiver and method of reception
A receiver and a receiving method, both for use in a broadcasting system in which analog broadcast signals and digital broadcast signals are transmitted in adjacent frequency bands. The receiver...
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6434362 |
Method of receiving messages, and electrical appliance for implementing the method
A method and system for receiving messages with a receiver in a motor vehicle, wherein receipt of the message interrupts audio reproduction by the device, and receipt must be confirmed by the user....
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6418300 |
Method and device for transmitting mixed analog and digital signals by the same transmitter
A process for transmitting mixed analog and digital signals. A composite signal is transmitted whose frequency spectrum is composed of a first analog spectrum representative of the amplitude of...
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6415135 |
Transmission protocol for file transfer in a DAB system
The invention relates to the transmission of files in a digital broadcasting system, particularly in a DAB system according to the standard ETS 300 401. According to the invention, a file...
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6411800 |
Enhanced radio data system
An Enhanced Radio Data System for commercial radio broadcasters comprises a subcarrier modulated for transmitting data impressed on the broadcaster's main carrier frequency. The subcarrier data...
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6397076 |
Method and apparatus for dispatch communications in a broadcast radio system
A method and apparatus for receiving dispatch messages in a broadcast radio receiver. In one embodiment, audio dispatch messages can be received, in another embodiment, data dispatch messages can...
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6370391 |
Mobile station and network having hierarchical index for cell broadcast service
This invention provides for the use of an index message in a Cell Broadcast Service. An index message is considered to be a special type of Cell Broadcast message which contains general information...
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6353462 |
Television signal and FM broadcast signal demodulator and television signal and FM broadcast signal receiver
A demodulator is able to demodulate a television signal and an FM broadcast signal by a common demodulator. Also, a receiver is able to output television video signal and audio signal and an audio...
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6347120 |
Communication method, transmitter, receiver, and cellular radio communication system
A communication method, transmitter, receiver, and cellular ratio communication system. When the high priority data and the low priority data are transmitted at the same time in the multi-carrier...
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