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7616968 |
System and method to facilitate overcoming a degradation in transmission through a radiating transmission line communication system
The communication system comprises amplification units coupled to the radiating transmission line at periodic locations for amplifying communication signals radiating and traveling upstream and...
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7606592 |
Waveguide-based wireless distribution system and method of operation
The design and use of a simplified, highly efficient, waveguide-based wireless distribution system are provided. A low-loss waveguide is used to transport wireless signals from a signal source or...
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7590404 |
Surface wave communications between a remote antenna and a base station that is co-located with another base station
At a first site, a first antenna exchanges first communications with wireless devices, and exchanges the first communications with a first base station. The first base station exchanges the first...
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7567817 |
Method and apparatus for an extruded ceramic biosoluble fiber substrate
A porous ceramic substrate is disclosed that is fabricated from biosoluble ceramic fibers. Porosity and permeability of the substrate is provided by intertangled biosoluble fibers, that can be...
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7528785 |
Multiple feed point slot antenna
A wireless communication device and method for identifying a container, or communication information about a container using a slot in the container as an antenna. The device includes a wireless...
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7519382 |
Method of power control for call migration
In a method of controlling transmit power for a user call migrating between a first entity and a second entity in a base station of a wireless communication system, power control may be performed,...
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7502350 |
Communication apparatus, method and programs
The present invention is to provide communication apparatus capable of selecting a transmission scheme suitable for a type of transmission information, its communication method, and programs. A...
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7499723 |
System and method for synchronization between base stations
An inter-base station synchronization system is constructed without using any receiver for detecting a frame period error at a zone boundary between leaky coaxial cables, and without using any...
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7486962 |
Extruded porous substrate having inorganic bonds
A method is provided for producing a highly porous substrate. More particularly, the present invention enables fibers, such as organic, inorganic, glass, ceramic, polymer, or metal fibers, to be...
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7486962 |
Extruded porous substrate having inorganic bonds
A method is provided for producing a highly porous substrate. More particularly, the present invention enables fibers, such as organic, inorganic, glass, ceramic, polymer, or metal fibers, to be...
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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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7430437 |
Transmitting sensor-acquired data using step-power filtering
A method for communicating to a recipient transceiver from a plurality of transceivers located within the broadcast range of the recipient transceiver includes: transmitting a communication at 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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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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7317931 |
Transmission rate changes in communications networks
A communications network including first and second stations, the first station comprising a transmitter and the second station comprising a receiver. The network further including a transition...
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7257094 |
Jointly controlling transmission rate and power in a communications system
The present invention jointly controls rate and power in a fashion that enables control of the two variables in one dimension. In some embodiments, this is done by ordering the possible transmit...
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7231224 |
Cable having embedded access points
A cable has miniaturized, low-cost, highly-integrated wireless network access points embedded in the cable at periodic intervals along the length of the cable. Power conductors that run the length...
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7224944 |
RF transceiver having a directly radiating transistor
Transistor package leads form quarter-wave antenna elements that directly radiate RF energy into free space without the need for a separate antenna. The transistor operates at a fundamental...
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7177639 |
Dual site supervision for a control channel cellular radio used in a fire alarm reporting system
Dual site supervision is provided for a control channel cellular radio for a fire alarm reporting system that uses logic that causes a control channel cellular transceiver to operate in a...
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7162264 |
Tunable parasitic resonators
A mobile terminal can include a printed circuit board with a reference voltage conductor, an antenna coupled to the first side of the printed circuit board, and a parasitic resonator coupled to the...
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7123939 |
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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7058422 |
Method for overusing frequencies to permit simultaneous transmission of signals from two or more users on the same frequency and time slot
A system is provided for increasing the number of users capable of communicating over a wireless network to permit multiple users to transmit information simultaneously on the same channel or...
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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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6917785 |
Electromagnetic field communications system for wireless networks
An Electromagnetic Field Communications System for Wireless Networks for producing an electromagnetic field within a structure is disclosed. The electromagnetic field is produced by using common...
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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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6807402 |
Device for generating RF signals at multiple frequencies
A device for generating a radio frequency electrical signals, delivering at least two separate signals having different frequencies, in the form of signals delivered by different primary sources...
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6782271 |
Method and apparatus for link adaptation in a mobile communication system
Disclosed is a method for determining a forward data rate and a forward transmission power level in a mobile communication system. An access terminal measures a C/I of a forward pilot channel,...
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6738641 |
Distributed transceiver for wireless communication system
A distributed transceiver for wireless communication system providing access to a public data communication network is disclosed. A plurality of RF access points are positioned in a premises to...
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6731957 |
Wireless communication device capable of saving battery power by switching communication mode
A PDC/PHS phone has both PDC communication function and PHS communication function. The PDC/PHS phone switches its communication mode from a PDC communication to a PHS communication which is less...
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6671463 |
Arrangement for transmitting, radiating and receiving high-frequency signals
A arrangement is described for transmitting, radiating and receiving high-frequency signals. The arrangement is comprised of a system connected to a transmitting and receiving device ( 3 ) which...
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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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6594508 |
Antenna and cable monitoring for radio base station
A method and apparatus for providing an antenna condition signal and a feeder cable condition signal in a base station having an antenna coupled to a cabinet by an antenna feeder cable. Two...
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6570935 |
Method and system for demodulating a receive signal including a pilot signal
In this demodulation method, a receive signal is demodulated estimating the fading distortion of data by detecting the fading distortion of unique word as pilot signal inserted into multiple...
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6529739 |
Method and apparatus in a cellular network
A method of controlling the traffic load in a telecommunications system, in which the communication between terminals and the network takes place through an air interface, includes determining a...
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6374119 |
System and method for in-building mobile communications
Disclosed is a mobile communication system and method. A base station (BS) transmits and receives signals using predetermined serving frequency signals. A donor module, coupled to the BS, converts...
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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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6195561 |
Antenna system for two-way UHF underground radio system
An antenna system for a multi-channel, two-way UHF underground communication includes a base radio station; a non-radiating coaxial cable attached to the transmit/receive connector on said base...
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6122529 |
Simulcast with hierarchical cell structure overlay
Apparatus and a method are disclosed for a wireless telephony system to eliminate blind areas where signal coverage is weak or non-existent by providing remote transceivers that are physically...
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6081729 |
Encapsulated tubular conductor
An encapsulated tubular conductor having at least two antenna elements disposed on the capsule thereof for maintaining therebetween wireless information transmission in a transmitting-receiving...
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6081728 |
Strip-type radiating cable for a radio communication system
A distributed strip-type radiating cable comprised of a plurality of generally flat conductive strips disposed in substantially parallel relationship to one or more generally flat dielectric...
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6073019 |
Radio telephone call handover
Radio telephone apparatus for use in an underground railway system comprises two base stations 3, 4 respectively located at successive railway stations 1, 2. The base station 3 feeds a radiating...
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6041216 |
Radio communication system for use in tunnels
A radio communications system is intended for use by trains in a tunnel. This system includes an antenna subsystem which incorporates a radiating coaxial cable disposed along the length of the...
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6032057 |
Cellular radio system repeater and base station
The coverage area of the base station of a cellular radio system is expanded in a very simple and easily implementable way by utilizing the cabling present in a community antenna system, so that...
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6032020 |
Multi-repeater communication system
A structure (24) includes a plurality of repeaters (34), each having a primary transceiver (36) and a secondary transceiver (38) electromagnetically located upon a clear side (30) and a blocked...
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6005475 |
Communication method and apparatus for conveyor carriages
A communication system for a plurality of carriages that travel along a rail. A power cable extends along the rail. The cable is used to convey electric current that drives the movable bodies and...
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5983075 |
Radio communication system between a vehicle and a roadside station
A radio communication system between a mobile station on a vehicle and a stationary station in which a uniform field intensity is obtained in a direction of a width of a road so that a good...
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5818822 |
Wireless local area network having interface at each station which ignores messages not retransmitted by repeater
A wireless local area network includes a plurality of stations each comprising a data processing machine connected to a radio send-receive interface. Each data processing machine includes an...
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5809429 |
Radiating coaxial cable and radio communication system using same
A radiating coaxial cable comprises an inner conductor, a layer of cellular foam dielectric material surrounding the inner conductor, and a single, continuous, corrugated outer conductor...
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5697067 |
Communication system utilizing radiating transmission line
A radio frequency communication system utilizing a radiating transmission line for simultaneously communicating audio and video signals is disclosed. The video signals convey video information and...
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5669065 |
Completely redundant communication system utilizing radiating transmission line
A radio frequency communication system utilizing a radiating transmission line is disclosed. During normal operation, a mobile communication unit near the radiating transmission line can...
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