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System and method for multipoint distribution of satellite digital audio radio service
The need in the art is addressed by the satellite digital audio radio service multipoint distribution system and method of the present invention. Generally, the ...
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Digital radio link system and radio link terminal
The object of the present invention is to avoid the above-described disadvantages and at the same time provide a radio link terminal and radio link system which can be ...
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Methods and systems for allocating a cellular communications channel for communication between a cellular terminal and a telephone base station using received signal strength measurements
It is therefore an object of the present invention to provide methods and systems for allocating a cellular communications channel for communication between a cellular ...
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Controlled available bit rate service in an ATM switch
It is therefore an object of the invention to provide an ATM switch with means for controlling the flow of ABR cells through the switch. It is also an object of the ...
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Monitoring tag with removal detection
According to one embodiment of the present invention, a tag is provided for being secured near a surface of an object to be monitored for use in determining whether the ...
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Speech communication apparatus having an echo canceler
We claim: 1. A speech communication apparatus, comprising: transceiver means for transmitting and receiving a speech signal; loudspeaker means for outputting a speech ...
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Method of and device for echo cancellation
It is an object of the invention to provide an echo cancelation method and device for a full duplex loudspeaking telephone, which provides substantially automatic ...
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Acoustical echo canceller having an adaptive filter with passage into the frequency domain
It is an object of the invention to provide frequency echo canceller that is improved from the point of view of speed of adaptation, while nevertheless presenting little ...
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Method and apparatus for equallization in an asymmetric digital aubscriber line communications system
OF THE DRAWINGS Generally, the present invention provides an adaptive equalizer in an ADSL system that reduces the number of calculations required for updating ...
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Method and apparatus for inhibiting echo in a channel of a communication system
An object of this invention is to provide an improved method and apparatus for performing echo cancellation. Another object of the invention is to provide a method and ...
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