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Document Title |
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8180279 |
Wireless hotspot arrangement
A hot spot system for permitting wireless communication for a wide variety of various manufacturers different wireless personal communication devices in an rf restricted environment, wherein the...
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8090313 |
Method and system for frequency-shift based chip-to-chip communications
Aspects of a method and system for frequency-shift based chip-to-chip communications may include receiving and/or generating modulation control information and demodulation control information...
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8078102 |
Cable system with active RF device powered by RF energy converted to DC power, and associated method
A cable system comprises a main line carrying first RF signals for a plurality of subscribers, and a subscriber line coupled with the main line and carrying the first RF signals between the...
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8015296 |
System and method for implementing MBMS handover during downloaded delivery
An improved system and method for implementing Multimedia Broadcast/Multicast Service (MBMS) handover during download delivery. Various embodiments of the present invention involve the use of the...
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7899392 |
Relay system and method in a communication system
A relaying method and system in a communication system having a Base Station (BS), a Mobile Station (MS) for communicating with the BS, and a Relay Station (RS) for relaying signals between the BS...
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7885634 |
High frequency signal hub
The present invention concerns a system for high frequency signal transmission in power line networks and also concerns signal hubs and repeaters to be used in such systems. The primary aim of the...
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7881664 |
Personal wireless communication device connectivity arrangement within an RF restricted environment
The present invention comprises a docking system for connecting a portable communication device to a further signal transmission line. The docking system may be arranged within a workstation such...
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7839270 |
Vehicle monitoring system and transponder thereof
A vehicle monitoring system which may easily identify information transmitted from each of detecting devices without registration of identification information of the detecting devices and a...
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7805117 |
Method and apparatus for minimizing noise in a transmitter
A transmitter (200) includes a plurality of amplifier “n” stages (202, 204, 206) providing predetermined gain stages and a plurality of filters (208, 210). Each filter (208, 210) is distributed bet...
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7783264 |
Diversity apparatus using leakage transmission path
A diversity apparatus includes a transceiver, a phase shifter which switches phases of a carrier wave transmitted from the transceiver, and a leakage transmission path which transmits the carrier...
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7764926 |
Communication relaying apparatus, communication relay, and controlling method
A wide area network is constructed by connecting a plurality of bases to a multipoint switching apparatus. Each base has a certain contracted communication band. If a packet is received from a...
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7764943 |
Overhead and underground power line communication system and method using a bypass
An underground power line is coupled to an overhead power line at a riser pole. In a power line communication system, a first and a second communication device are communicatively coupled to the...
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7757260 |
Method of multi-tasking in mobile terminal
Apparatus and method for multi-tasking in mobile terminal having multimedia processor for video-on-demand (VOD) services that identifies port of each data received during use of VOD service and...
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7742777 |
Dynamic upstream attenuation for ingress noise reduction
A dynamic arrangement for reducing the presence of ingress noise in the upstream signal path of a two-way cable system utilizes a variable attenuation element and amplifier disposed along the...
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7702033 |
Modulating apparatus, mobile communication system, modulating method, and communication method
An encoder encodes sound data and the like to generate a binary signal. A mapper converts the binary signal into a four-level symbol and outputs the four-level symbol. A base band filter includes a...
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7643821 |
Text brochure and media system and method
A method and device for providing brochures to interested parties using cellular communication devices such as cellular telephones, cellular enabled digital devices and the like. An access number...
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7643791 |
Method and apparatus for optimizing signal processing
An booster/amplifier receives a plurality of RF signals, including a subject RF signal. A location-based signal spectrum is determined by performing either a frequency scan or an information lookup...
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7634250 |
Signal conditioner and method for communicating over a shared transport medium a combined digital signal for wireless service
A signal conditioner (SC) and method for performing communications via a shared transport medium between a base transceiver station (BTS) and a remote antenna entity (RAE). A first SC is connected...
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7596186 |
Devices and methods of modulation and demodulation enabling the extension or replacement of a communications link, corresponding sender and receiver
A modulation device comprises for each carrier frequency: means of discrimination between a signal coming from a first channel of a communications link and a signal coming from a second channel of...
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7573862 |
System and method for optimizing network capacity in a cellular wireless network
A system and method is disclosed for increasing the efficiency of a cellular communication network, reduce ongoing operating costs and increase revenue. According to one aspect, a method is...
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7508754 |
Method and system to support internal calling upon loss of connection with IP Centrex server
A method and system for facilitating calling within an enterprise network upon failure of a landline connection between the enterprise network and an outside call server such as an IP Centrex...
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7493100 |
Compensating for dynamic nulls in a power line communication system
There is provided a method of facilitating communication in an electrical power network having a complex impedance. The method includes modifying the complex impedance, and determining whether the...
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7466990 |
Intelligent multiplexers in an antenna line management system
A method and apparatus of transmitting a communication signal between a radio base station and a radiation element. In one embodiment, the method includes receiving an input signal. Then extracting...
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7412208 |
Transmission system for transmitting RF signals, power and control signals via RF coaxial cables
A transmission system for RF signals, power and control signals over RF coaxial cables is disclosed. A coaxial cable line interconnects two devices, such as an instrument and a remote coupler. A...
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7403742 |
Multi-band cellular service over CATV network
A CATV network is modified with a secondary transmission (CBP) by adding filters to separate modified mobile-communications frequencies. A CATV terminal can be routed to cellular network by way...
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7400858 |
Radiative focal area antenna transmission coupling arrangement
The present invention comprises a docking system for connecting a portable communication device to a further signal transmission line, The docking system may be arranged within a workstation such...
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7391332 |
Radiation information management device and communication device
A radiation information management device comprises a measuring unit, a comparing unit, and a management information generating unit. The measuring unit measures unwanted radio wave radiation...
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7376385 |
Repeaters sharing a common medium for communications
A system for communications on a bi-directional medium includes a first repeater, a second repeater, a third repeater and a fourth repeater, each of which is coupled to the medium. The first...
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7319862 |
Block-based encoding and decoding information transference system and method
Methods, apparatuses, and systems enabling an information exchange system allowing for the transmission of a message carrier containing at least one message code along with video and television...
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7310497 |
Radio communication repeater
The invention proposes a repeater designed for indoor transmissions. The useful frequency band is split into two frequency bands and the repeater amplifies the signals from one of the bands and...
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7286812 |
Coupling between power line and customer in power line communication system
Apparatus for coupling communication signal modulated radio frequency signals between an electrical power distribution line and the electrical power wiring at a customer's premises which includes a...
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7283020 |
Signal extracting arrangement
A base station in a mobile communication network, includes at least one transmission line for transmitting a radio frequency signal. Each transmission line includes a coupling hole. A two-port...
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7272362 |
Multi-sector in-building repeater
A multi-sector in-building repeater, including: a master transmitting unit for receiving multi-sector signals of a carrier from a base station, mixing the multi-sector signals with different...
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7155257 |
Communication station with automatic cable loss compensation
A wireless communications systems employing code-division multiple access information transmission techniques includes a transmission facility having ground-based transmission and reception...
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7093276 |
CATV trunk amplifier, upward signal amplifier, and bi-directional CATV system
In a CATV trunk amplifier, a downward signal input to an input terminal from the center equipment side is input to a downward amplifying circuit via a first filter and a second filter. The...
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7024157 |
Local area network computer system utilizing radiating transmission line
A radio frequency communication system utilizing a radiating transmission line for communicating data signals is disclosed. The data signals convey digital data to remotely located data devices,...
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6885846 |
Low power wireless network
A network of electronic devices such as computers (50) and/or calculators (36, 38) uses low power communication to transmit wireless signals through a distributed antenna system (40). The...
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6868275 |
Method and configuration for transmitting data in a motor vehicle
A method for extracting a constant part and a variable part from a data signal that is determined. The values that are extracted in this way are transmitted with different timing over a...
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6839544 |
System and method for remote monitoring of a transmitter in a wireless base station
There is disclosed a signal monitoring apparatus for use in a wireless network base station containing a modular main unit for processing baseband signals and a modular radio unit separate from the...
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6738597 |
Repeating installation using telephone line
A repeating apparatus of the present invention converts a data signal from the mobile switching center to an intermediate frequency signal and transfers the intermediate frequency signal to an...
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6690916 |
Radio network for radio communication in an enclosed environment and a repeater for such a radio network
The invention discloses a radio network for radio communication in an enclosed environment such as a tunnel or an in-house environment including a first head end station (1) and cascaded...
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6687487 |
Repeater for transmission system for controlling and determining the status of electrical devices from remote locations
A repeater for use in a two way communication system for retransmitting information between a first device and a second device to help ensure reliable two way communication between the devices,...
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6681122 |
System and method for selectively enabling transmit/receive modes of a radio transceiver
The present invention relates to a method and apparatus for selectively enabling and disabling transmit and receive functions of a radio, and more particularly to a system and method utilizing an...
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6640111 |
Cellular communications systems
A novel base station for cellular wireless communications based on a modular structure is provided. The modular cellular wireless communication base station includes a plurality of active radiator...
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6560441 |
Low noise in-building distribution network for wireless signals
A solution for providing an improved fading margin environment for in-building wireless coverage. An optical fiber or other available broadband signal distribution network is used to distribute...
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6501942 |
In-building radio-frequency coverage
Repeater apparatus for conveying a radio-frequency (RF) signal into an environment closed-off to the RF signal, including a master transceiver unit having a master port which receives the RF...
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6366568 |
Transfer station for wireless telephone distribution system with time and space diversity transmission
A wireless communication system combines time and space diversity to reduce fading and simplify receiver design. In particular, a data packet which carries digital telephone traffic, is transmitted...
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6337754 |
Optical conversion relay amplification system
The present invention provides an economic optical conversion relay amplification system avoiding a beat noise in an uplink line of an optical transmission line of multibranching and multinode...
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6314272 |
Radio frequency broadcast system for enclosed spaces
Uniform and concentrated radio broadcast signals are obtained employing an antenna structure which uses separate antenna conductors on opposite sides of a radio reception area. The antenna...
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6292652 |
Repeater having frequency conversion
A carrier changing apparatus in a mobile telecommunication system for generating a dummy frequency assignment signal for repeating a frequency conversion or providing a hard hand off based on a...
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