Multiple beam wireless telecommunication system
First Claim
1. A multiple-beam transmitting system for use in a wireless telecommunication system, comprising:
- a) a radio transmitter assembly for receiving a plurality of input information-bearing signals and generating therefrom a first frequency division multiplexed (FDM) signal;
b) a transmitter subassembly comprising;
i) a power splitter coupled to said radio transmitter, for splitting said first FDM signal into a plurality of second FDM signals, each being an attenuated version of said first FDM signal;
ii) a plurality of frequency translators coupled to said power splitter, each for frequency translating one of said second FDM signals and thereby placing at least one of said information-bearing signals therein that resides within a predefined portion of a frequency band occupied by said first FDM signal, to within a predetermined translated frequency band; and
,iii) a multiple-beam-antenna for radiating a plurality of antenna beams, with each antenna beam transmitting at least one of said information-bearing signals placed by an associated frequency translator within said translated frequency band.
3 Assignments
0 Petitions
Accused Products
Abstract
Disclosed is a multiple-beam transmitting system for use in a wireless telecommunication system, including a radio transmitter assembly, which can be situated at the bottom of a base station tower, and a transmitter subassembly that can be situated atop the base station tower. The radio transmitter assembly is operative to modulate and frequency translate a plurality of input information-bearing signals. The signals are then combined to form a first FDM signal, which can then be routed to the transmitter subassembly via a single FDM cable running up the tower. The transmitter subassembly includes a power splitter for splitting the first FDM signal into a plurality of second FDM signals and a plurality of frequency translators, each for frequency translating one of the second FDM signals. Each frequency translator thereby places at least one of the information-bearing signals within a predetermined translated frequency band. A multiple-beam-antenna radiates a plurality of antenna beams, with each antenna beam transmitting at least one of the information-bearing signals placed by an associated frequency translator within the translated frequency band. A multiple beam receiving system can be employed to receive incoming signals from wireless terminals.
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Citations
31 Claims
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1. A multiple-beam transmitting system for use in a wireless telecommunication system, comprising:
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a) a radio transmitter assembly for receiving a plurality of input information-bearing signals and generating therefrom a first frequency division multiplexed (FDM) signal; b) a transmitter subassembly comprising; i) a power splitter coupled to said radio transmitter, for splitting said first FDM signal into a plurality of second FDM signals, each being an attenuated version of said first FDM signal; ii) a plurality of frequency translators coupled to said power splitter, each for frequency translating one of said second FDM signals and thereby placing at least one of said information-bearing signals therein that resides within a predefined portion of a frequency band occupied by said first FDM signal, to within a predetermined translated frequency band; and
,iii) a multiple-beam-antenna for radiating a plurality of antenna beams, with each antenna beam transmitting at least one of said information-bearing signals placed by an associated frequency translator within said translated frequency band. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A wireless telecommunication system, comprising:
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A) a multiple-beam transmitting system, including; i) a radio transmitter assembly for receiving a plurality of input information-bearing signals and generating therefrom a first frequency division multiplexed (FDM) signal; ii) a transmitter subassembly comprising; a) a power splitter coupled to said radio transmitter, for splitting said first FDM signal into a plurality of second FDM signals, each being an attenuated version of said first FDM signal; b) a plurality of first frequency translators coupled to said power splitter, each for frequency translating one of said second FDM signals and thereby placing at least one of said information-bearing signals therein that resides within a predefined portion of a frequency band occupied by said first FDM signal, to within a predetermined translated frequency band; c) a multiple-beam-antenna for radiating a plurality of antenna beams, with each antenna beam transmitting at least one of said information-bearing signals placed by an associated first frequency translator within said translated frequency band; B) a receiving system comprising; i) a receiver subassembly, including; a) a receiving antenna for forming multiple beams and capable of receiving via said multiple beams a plurality of band-limited incoming signals originating from wireless terminals; b) a plurality of second frequency translators, each for frequency translating the received incoming signals to provide translated received signals; c) a power combiner for combining said translated received signals to form a third FDM signal; and ii) a radio receiver assembly coupled to said receiver subassembly, for extracting said received incoming signals from said third FDM signal. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method of transmitting a plurality of input information-bearing signals from a base station to a corresponding plurality of wireless terminals, comprising:
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forming a first frequency division multiplexed (FDM) signal from said input signals by modulating, frequency translating and then combining said input signals; routing said first FDM signal from a first equipment location to a second equipment location; splitting said first FDM signal, at said second equipment location, to provide a plurality of second FDM signals that are each an attenuated version of said first FDM signal; frequency translating each of said second FDM signals to thereby place at least one of said information-bearing signals therein that resides within a predefined portion of a frequency band occupied by said first FDM signal, to within a predetermined translated frequency band; and transmitting said information-bearing signals placed within each said translated frequency band via multiple antenna beams, each pointing in a distinct direction in relation to said second equipment location. - View Dependent Claims (30, 31)
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Specification