Multi-transport mode radio communications having synchronous and asynchronous transport mode capability
First Claim
Patent Images
1. A radio comprising:
- one or more signal formatters, wherein the one or more signal formatters format signals for transmission through the radio, wherein the signals comprise a plurality of transport mode signals, and wherein the signal formatters perform buffering techniques and address filtering techniques to format and map TDM and ATM traffic to a multi-transport mode format;
a modem coupled to the one or more signal formatters for modulating the signals using a plurality of modulation modes on a burst-by-burst basis;
a frequency converter coupled to the modem for upconverting the signals having been modulated to a radio frequency; and
a transceiver unit coupled to the frequency converter for transmitting the signals having been upconverted over a radio communications link.
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Abstract
A radio, and related methods of radio communication, consisting of one or more signal formatters, wherein the one or more signal formatters format signals for transmission through the radio and the signals comprise a plurality of transport mode signals. The radio also includes a modem coupled to the one or more signal formatters for modulating the signals, a frequency converter coupled to the modem for upconverting the signals having been modulated to a radio frequency, and a transceiver unit coupled to the frequency converter for transmitting the signals having been upconverted over a radio communications link.
65 Citations
35 Claims
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1. A radio comprising:
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one or more signal formatters, wherein the one or more signal formatters format signals for transmission through the radio, wherein the signals comprise a plurality of transport mode signals, and wherein the signal formatters perform buffering techniques and address filtering techniques to format and map TDM and ATM traffic to a multi-transport mode format;
a modem coupled to the one or more signal formatters for modulating the signals using a plurality of modulation modes on a burst-by-burst basis;
a frequency converter coupled to the modem for upconverting the signals having been modulated to a radio frequency; and
a transceiver unit coupled to the frequency converter for transmitting the signals having been upconverted over a radio communications link. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
one or more synchronous signal formatters for formatting said synchronous signals;
and one or more asynchronous signal formatters for formatting said asynchronous signals.
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4. The radio of claim 1 wherein said signals comprise time division multiplexer signals and asynchronous transfer mode signals.
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5. The radio of claim 1 wherein said modem comprises a multi-modulation modem, wherein the multi-modulation modem modulates said signals using a plurality of modulation modes on a burst-by-burst basis.
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6. The radio of claim 5 wherein said plurality of modulation modes comprise quadrature phase shift keying, 16-quadrature amplitude modulation, and 64-quadrature amplitude modulation.
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7. The radio of claim 1 wherein said transceiver unit is an integrated transceiver and antenna.
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8. The radio of claim 1 wherein said transceiver unit comprises:
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a transceiver;
a switched beam antenna; and
a switch coupled the transceiver and the switched beam antenna system.
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9. The radio of claim 1 further comprising:
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an intrafacility link that couples said frequency converter to said transceiver unit;
wherein said frequency converter upconverts said signals having been modulated to an intermediate frequency; and
wherein said transceiver unit upconverts intermediate frequency signals to said radio frequency, wherein said transceiver unit transmits the signals having been upconverted to said radio frequency over said radio communications link.
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10. The radio of claim 1 wherein said radio communications link is a microwave radio communications link.
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11. The radio of claim 1 wherein said radio communications link is a time division multiple access radio communications link.
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12. The radio of claim 1 wherein said transceiver unit comprises a hub transceiver unit for communicating with a plurality of remote communications terminals within a point to multipoint communications system via said radio communications link.
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13. The radio of claim 1 further comprising a multi-transport mode bus coupled in between said one or more signal formatters and said modem, wherein the multi-transport mode bus carries said signals from said one or more signal formatters to said modem.
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14. The radio of claim 1 further comprising a plurality of interfaces coupled to said one or more signal formatters, wherein each of the plurality of interfaces couples to communications lines.
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15. The method of claim 14 wherein said formatting said signals for transmission through said radio comprises formatting time division multiplexed signals and asynchronous transfer mode signals for transmission through said radio.
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16. The method of claim 15 wherein said formatting said signals for transmission through said radio comprises formatting said time division multiplexed signals into an asynchronous transfer mode signal format.
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17. The method of claim 14 wherein said formatting said signals for transmission through said radio comprises formatting said signals into the same signal format for transmitting through said radio.
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18. A method of radio transmission over a radio communications link comprising:
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formatting signals for transmission through the radio, wherein the signals comprise a plurality of transport mode signals;
performing buffering techniques and address filtering techniques to format and map TDM and ATM traffic to a multi-transport mode format;
relaying the signals to a modem;
formatting the signals for transmission over the radio communications link;
modulating the signals for transmission over the radio communications link using a plurality of modulation modes on a burst-by-burst basis;
converting the signals to a radio frequency of the radio communications link;
and transmitting the signals over the radio communications link. - View Dependent Claims (19, 20, 21, 22, 23)
mapping said signals from a bus frame format of said multi-transport mode bus to a corresponding air interface frame format.
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22. The method of claim 18 wherein said modulating comprises said modulating said signals using quadrature phase shift keying, 16-quadrature amplitude modulation, and 64-quadrature amplitude modulation.
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23. The method of claim 18 wherein said formatting said signals for transmission through said radio comprises formatting synchronous signals and asynchronous signals for transmission through said radio.
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24. A radio for transmitting signals over a radio communications link comprising:
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means for formatting signals for transmission through the radio, wherein the signals comprise a plurality of transport mode signals, and wherein the means for formatting signals perform buffering techniques and address filtering techniques to format and map TDM and ATM traffic to a multi-transport mode format;
means for relaying the signals to a modem;
means for formatting the signals for transmission over the radio communications link;
means for modulating the signals for transmission over the radio communications link using a plurality of modulation modes on a burst-by-burst basis;
means for converting the signals to a radio frequency of the radio communications link; and
means for transmitting the signals over the radio communications link. - View Dependent Claims (25, 26)
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27. A method of radio reception from a radio communications link comprising:
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receiving signals from the radio communications link, wherein the signals comprise a plurality of transport mode signals;
converting the signals to a digital baseband;
demodulating the signals;
mapping the signals to a multi-transport mode bus frame format;
transporting the signals via the multi-transport mode bus to an interface module; and
routing respective ones of the signals to respective communications lines. - View Dependent Claims (28, 29, 30, 31, 32, 34, 35)
routing respective ones of said synchronous signals using a time plan to said respective communications lines; and
routing respective ones of said asynchronous signals using header information of said asynchronous signals to said respective communications lines.
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34. The radio of claim 32 wherein said means for receiving comprises means for receiving synchronous signals and asynchronous signals from said radio communications link.
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35. The radio of claim 34 wherein said means for routing comprises:
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means for routing respective ones of said synchronous signals using a time plan to said respective communications lines; and
means for routing respective ones said asynchronous signals using header information of said asynchronous signals to said respective communications lines.
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33. A radio for receiving signals from a radio communications link comprising:
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means for receiving the signals from the radio communications link, wherein the signals comprise a plurality of transport mode signals;
means for converting the signals to a digital baseband;
means for demodulating the signals; and
means for mapping the signals to a multi-transport mode bus frame format;
means for transporting the signals via the multi-transport mode bus; and
means for routing respective ones of the signals to respective communications lines.
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Specification