Polarization and angular diversity among antenna beams
First Claim
1. A system for use in communicating signals between a plurality of communication devices, said system comprising:
- a communication device having at least a first signal port associated therewith adapted to communicate with antenna beam signals;
a plurality of antenna beams including overlapping ones of said antenna beams, wherein ones of said antenna beams are adapted to communicate signals of a first polarization and other ones of said antenna beams are adapted to communicate signals of a second polarization;
a first signal feed network coupling signals of a first set of signal beams of said plurality of antenna beams to said first signal port, wherein ones of said first set of antenna beams are selected to have said first polarization and other ones of said first set of signal beams are selected to have said second polarization, wherein adjacent antenna beams of said first set have alternate polarizations of said first and second polarizations.
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Accused Products
Abstract
A receiving system 100 is disclosed which includes at least one antenna 101 providing a plurality of antenna beams providing signal diversity between communicated signals. A first processing branch 103 is included for processing a first plurality of signals appearing within a first plurality of the antenna beams. The first processing branch 103 includes a plurality of signal paths, some of which include delays 105, each receiving a one of the first plurality of signals from a corresponding one of the first plurality of antenna beams. Delays 105 apply a predetermined amount of delay proportionate to the corresponding one of the beams. First processing branch 103 further includes a combiner 106 for combining the first plurality of signals after output from the plurality of signal paths. A second processing branch 104 is provided for processing a second plurality of signals appearing within a second plurality of the antenna beams. Second processing branch 104 includes a plurality of signal paths, some of which include delays 105, each receiving one of the second plurality of signals from a corresponding one of the second plurality of antenna beams. Delays 105 applying a pre-selected amount of delay to the corresponding one of the beams. Second processing branch 104 further includes a combiner 106 for combining the second plurality of signals after output from the plurality of signal paths. Finally, a radio 102 is provided having a first port coupled to an output of first processing branch 103 and a second port coupled to a second processing branch 104.
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Citations
50 Claims
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1. A system for use in communicating signals between a plurality of communication devices, said system comprising:
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a communication device having at least a first signal port associated therewith adapted to communicate with antenna beam signals;
a plurality of antenna beams including overlapping ones of said antenna beams, wherein ones of said antenna beams are adapted to communicate signals of a first polarization and other ones of said antenna beams are adapted to communicate signals of a second polarization;
a first signal feed network coupling signals of a first set of signal beams of said plurality of antenna beams to said first signal port, wherein ones of said first set of antenna beams are selected to have said first polarization and other ones of said first set of signal beams are selected to have said second polarization, wherein adjacent antenna beams of said first set have alternate polarizations of said first and second polarizations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
a second signal feed network coupling signals of a second set of antenna beams of said plurality of antenna beams to a second signal port of said communication device, wherein ones of said second set of antenna beams are selected to have said first polarization and other ones of said second set of signal beams are selected to have said second polarization, wherein adjacent antenna beams of said second set have alternate polarizations of said first and second polarizations, and wherein ones of said first and second set of antenna beams overlap.
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6. The system of claim 5, wherein said first signal port is a main communication port of said communication device and said second signal port is a diversity communication port of said communication device.
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7. The system of claim 5, wherein said first signal feed network comprises an antenna beam signal management unit initially deployed for active service and said second signal feed network comprises an antenna beam signal management unit initially deployed for standby service.
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8. The system of claim 5, wherein coupling of signals having said first polarization and said second polarization to said first and second signal port of said communication device by said first and second signal feed networks is accomplished in only a single link direction.
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9. The system of claim 8, wherein said single link direction is a forward communication link.
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10. The system of claim 8, wherein said single link direction is a reverse communication link.
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11. The system of claim 8, wherein an opposite signal link direction utilizes antenna beams of said plurality of antenna beams having polarization of only one of said first and second polarizations.
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12. The system of claim 1, wherein said plurality of antenna beams are narrow antenna beams of approximately 30°
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13. The system of claim 1, wherein said communication device is an AMPS radio.
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14. The system of claim 1, wherein said communication device is a DAMPS radio.
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15. The system of claim 1, wherein said communication device is a TDMA radio.
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16. The system of claim 1, wherein said communication device is a CDMA radio.
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17. A system for use in communicating signals between a plurality of communication devices, said system comprising:
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a communication device having at least a first and second signal port associated therewith;
a plurality of signal beams including overlapping signal beams, wherein overlapping ones of said plurality of signal beams have signal diversity attributes;
a first signal feed network coupling signals of a first set of signal beams of said plurality of signal beams to said first signal port, wherein ones of said first set of signal beams are selected to have a first signal diversity attribute of said signal diversity attributes and other ones of said first set of signal beams arc selected to have a second signal diversity attribute of said signal diversity attributes; and
a second signal feed network coupling signals of a second set of signal beams of said plurality of signal beams to said second signal port, wherein ones of said second set of signal beams are selected to have said first signal diversity attributes of said signal diversity attributes and other ones of said second set of signal beams are selected to have said second signal diversity attributes of said signal diversity attributes. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A communication system comprising:
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an antenna array providing a plurality of antenna beams ones of which are disposed to provide corresponding pairs of antenna beams, said antenna array adapted for providing polarization diversity as among each antenna beam of a corresponding pair;
a first antenna beam signal path branch for coupling a first group of antenna beams of said plurality of antenna beams to a first interface, wherein said first branch is operable to select beams having alternating polarization for coupling to said first interface; and
a second antenna beam signal path branch for coupling a second group of antenna beams of said plurality of antenna beams to a second interface, wherein said second branch is operable to select beams having alternating polarization for coupling to said second interface, and wherein said ones of antenna beams of said second group are an antenna beam of a corresponding pair of antenna beams wherein another antenna beam of the corresponding pair of antenna beams is of said first group. - View Dependent Claims (39, 40, 41, 42, 43)
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44. A method of providing communications within multiple antenna beams, said method comprising the steps of:
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providing a plurality of antenna beams ones of which are disposed to provide corresponding pairs of antenna beams, wherein antenna beams of each corresponding pair of antenna beams are of orthogonal polarization;
coupling a first group of antenna beams of said plurality of antenna beams to a first interface including the step of selecting beams having alternating polarization for coupling to said first interface; and
coupling a second group of antenna beams of said plurality of antenna beams to a second interface including the step of selecting beams having alternating polarization for coupling to said second interface, wherein said ones of antenna beams of said second group are an antenna beam of a corresponding pair of antenna beams wherein another antenna beam of the corresponding pair of antenna beams is of said first group. - View Dependent Claims (45, 46, 47, 48, 49, 50)
combining signals of said antenna beams having a same polarization for discrete communication through a common signal path portion between antennas forming said antenna beams and said first and said second interfaces.
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47. The method of claim 44, further comprising the step of:
combining signals of said antenna beams of said first group of antenna beams for discrete communication through a common signal path portion between antennas forming said antenna beam and said first interface.
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48. The method of claim 44, wherein said first interface is a main interface of a radio unit and said second interface is a diversity interface of said radio units.
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49. The method of claim 44, wherein said first and said second interfaces are associated with a cellular telephony radio unit.
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50. The method of claim 44, wherein said first and said second interfaces are associated with a personal communication services radio unit.
Specification