Customer premise wireless distribution of broad band signals and two-way communication of control signals over power lines
First Claim
1. A customer premise installation for distributing on said premise from a communication network terminating link broadband digital information and two-way narrow band control signals, comprising:
- plural user video terminals each connected to a collocated control terminal;
each video terminal being coupled to said terminating link through a coupling including a pair of interface units;
a first interface coupler in each pair of interface units comprising a receiver and a transmitter for respectively receiving and transmitting spread spectrum radio frequency signals, said transmitter transmitting radio frequency signals including a broadband digital information signal and said receiver receiving and translating from said spread spectrum radio frequency signals and delivering to said video terminal broadband signals;
a second interface coupler in each pair of interface units receiving and transmitting said two-way control signals including upstream signals corresponding to signals received from one of said control terminals and downstream signals corresponding to signals received from said terminating link;
said second interface coupler in each pair of interface units including a power line transporting said two-way control signals on carriers modulated by said control signals corresponding to said downstream control signals emanating from said terminating link and said upstream control signals emanating from said one control terminal.
3 Assignments
0 Petitions
Accused Products
Abstract
A system and method for providing interactive multimedia services to subscriber premises utilizing wireless and power line distribution within the subscriber premise. The service is provided via a communications link delivering to the subscriber premises broad band digital information including video and audio from a plurality of information providers and control signals in a multiplexed form. This multiplexed signal is then separated and processed on premise and distributed in a two-way fashion using frequency hopping code division multiple access (CDMA) spread spectrum using radio frequency signals preferably at UHF for the broadband downstream signal and power line carrier for the control signaling.
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Citations
21 Claims
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1. A customer premise installation for distributing on said premise from a communication network terminating link broadband digital information and two-way narrow band control signals, comprising:
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plural user video terminals each connected to a collocated control terminal; each video terminal being coupled to said terminating link through a coupling including a pair of interface units; a first interface coupler in each pair of interface units comprising a receiver and a transmitter for respectively receiving and transmitting spread spectrum radio frequency signals, said transmitter transmitting radio frequency signals including a broadband digital information signal and said receiver receiving and translating from said spread spectrum radio frequency signals and delivering to said video terminal broadband signals; a second interface coupler in each pair of interface units receiving and transmitting said two-way control signals including upstream signals corresponding to signals received from one of said control terminals and downstream signals corresponding to signals received from said terminating link; said second interface coupler in each pair of interface units including a power line transporting said two-way control signals on carriers modulated by said control signals corresponding to said downstream control signals emanating from said terminating link and said upstream control signals emanating from said one control terminal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. In a system comprising:
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a communication network selectively providing broadband communications links; a plurality of information service provider systems connected to the network for transmitting broadband digital information via communication links through the network; a gateway for connecting selected information provider systems to user terminals responsive to user terminals transmitting control signals upstream through the network in response to user inputs; wherein said user terminals include a control terminal for coupling to a communication link transporting from said network said broadband digital information and two-way control signaling; said control terminal being coupled to said communication link transporting said broadband digital information and two-way control signaling through a coupling including; a first interface unit located at the premise including a radio frequency transmitter and a radio frequency receiver for transmitting and receiving spread spectrum radio frequency signals carrying broadband digital information responsive to signals received from said control terminal, and receiving and translating from spread spectrum radio frequency signals and delivering to said control terminal a broadband signal; a second interface unit located at the premise receiving and transmitting two-way control signals including upstream signals corresponding to signals received from said control terminal and downstream signals corresponding to signals received from said terminating link; said second interface unit including a power line transporting said two-way control signals on carriers modulated by control signals corresponding to said downstream control signals emanating from said terminating link and said upstream control signals emanating from said control terminal. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of providing on premise distribution of an interactive communication service establishing multiple communication links between selected ones of a plurality of available information service providers and control terminals for multiple video terminals on a premise, each said communication link providing downstream transport of broadband, digital information to the control terminals, comprising the steps of:
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multiplexing broadband digital information, including video and audio, and control signals; establishing on premise spread spectrum radio frequency links to said control terminals, said links transporting selected broadband information; converting multiple selected broadband digital information delivered to said on premise radio frequency links to analog video and audio signals delivered to ones of said video terminals; using CDMA codes unique to said spread spectrum radio frequency links and control terminals; establishing on premise power line radio frequency links to said control terminals, said power line radio frequency links transporting two way control signaling to and from said communication link.
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17. A customer premise installation for distributing on said premise from a communication network terminating link broadband digital information and two-way narrow band control signals, comprising:
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plural user video terminals each connected to a collocated control terminal; each video terminal being coupled to said terminating link through a coupling including a pair of interface units for each of said video terminals; a first interface coupler in each pair of interface units comprising a receiver and a transmitter for respectively receiving and transmitting radio frequency signals, said transmitter transmitting radio frequency signals including a broadband digital information signal and said receiver receiving said radio frequency signals and translating from said radio frequency signals and delivering to said video terminal broadband signals; a second interface coupler in each pair of interface units receiving and transmitting said two-way control signals including upstream signals corresponding to signals received from one of said control terminals and downstream signals corresponding to signals received from said terminating link; said second interface coupler in each pair of interface units including a power line transporting said two-way control signals on carriers modulated by control signals corresponding to said downstream control signals emanating from said terminating link and upstream control signals emanating from said one control terminal. - View Dependent Claims (18, 19, 20, 21)
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Specification