US6351237B1
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US
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Polarization and angular diversity among antenna beams
Assignee: F Poszat HU LLC
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Filing: 1999-11-29
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Granted: 2002-02-26
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Expires: 2019-11-29
Abstract
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.
Inventors
- 👤 Gary A. Martek
- 👤 Sheldon K. Meredith
- 👤 Douglas O. Reudink
- 👤 Mark Reudink
- 👤 Martin J. Feuerstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:34
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/22; H01Q21/00; H01Q21/28; H01Q3/26; H01Q3/2682; H01Q3/30; H01Q3/34; H01Q3/40; H04; H04B; H04B7/00; H04B7/02; H04B7/10
Claims Analysis
Total Claims: 54
Claim 1
Independent Claim
153 words
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.
Claim 2
Independent Claim
153 words
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.
Claim 3
Dependent Claim
22 words
The system of claim 1 , wherein said first polarization is slant left polarization and said second polarization is slant right polarization.
Claim 4
Dependent Claim
20 words
The system of claim 1 , wherein said first polarization is vertical polarization and said second polarization is horizontal polarization.
Claim 5
Dependent Claim
22 words
The system of claim 1 , wherein said first polarization is right circular polarization and said second polarization is left circular polarization.
Claim 6
Dependent Claim
100 words
The system of claim 1 , further comprising: 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.
Claim 7
Dependent Claim
34 words
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.
Claim 8
Dependent Claim
42 words
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.
Claim 9
Dependent Claim
45 words
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.
Claim 10
Dependent Claim
16 words
The system of claim 8 , wherein said single link direction is a forward communication link.
Claim 11
Dependent Claim
16 words
The system of claim 8 , wherein said single link direction is a reverse communication link.
Claim 12
Dependent Claim
32 words
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.
Claim 13
Dependent Claim
21 words
The system of claim 1 , wherein said plurality of antenna beams are narrow antenna beams of approximately 30° azimuthal width.
Claim 14
Dependent Claim
14 words
The system of claim 1 , wherein said communication device is an AMPS radio.
Claim 15
Dependent Claim
14 words
The system of claim 1 , wherein said communication device is a DAMPS radio.
Claim 16
Dependent Claim
14 words
The system of claim 1 , wherein said communication device is a TDMA radio.
Claim 17
Dependent Claim
14 words
The system of claim 1 , wherein said communication device is a CDMA radio.
Claim 18
Independent Claim
197 words
A system for use in communicating signals between a plurality of communication devices, said system comprising: 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.
Claim 19
Independent Claim
197 words
A system for use in communicating signals between a plurality of communication devices, said system comprising: 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.
Claim 20
Dependent Claim
17 words
The system of claim 17 , wherein said first and second signal diversity attributes are orthogonal polarizations.
Claim 21
Dependent Claim
33 words
The system of claim 17 , wherein said first signal port is a main signal port of said communication device and said second signal port is a diversity port of said communication device.
Claim 22
Dependent Claim
27 words
The system of claim 17 , wherein said first signal feed network combines for coupling to said first signal port adjacent non-overlapping ones of said signal beams.
Claim 23
Dependent Claim
36 words
The system of claim 20 , wherein adjacent ones of said non-overlapping ones of said signal beams combined by said first signal feed network have alternate ones of said first and said second signal diversity attributes.
Claim 24
Dependent Claim
18 words
The system of claim 21 , wherein said first and second signal diversity attributes are different signal polarizations.
Claim 25
Dependent Claim
26 words
The system of claim 22 , wherein said first signal diversity attribute is slant left polarization and said second signal diversity attribute is slant right polarization.
Claim 26
Dependent Claim
24 words
The system of claim 22 , wherein said first signal diversity attribute is vertical polarization and said second signal diversity attribute is horizontal polarization.
Claim 27
Dependent Claim
26 words
The system of claim 22 , wherein said first signal diversity attribute is right circular polarization and said second signal diversity attribute is left circular polarization.
Claim 28
Dependent Claim
42 words
The system of claim 17 , 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.
Claim 29
Dependent Claim
40 words
The system of claim 17 , wherein ones of said signals of said signal beams having said second signal diversity attribute are combined for communication through a common signal path between antennas forming said signal beams and said communication device.
Claim 30
Dependent Claim
55 words
The system of claim 17 , wherein ones of said signals of said signal beams having said first signal diversity attribute and ones of said signals of said signal beams having said second signal diversity attribute are combined for communication through a common signal path between antennas forming said signal beam and said communication device.
Claim 31
Dependent Claim
49 words
The system of claim 17 , wherein coupling of signals having said first signal diversity attribute and said second signal diversity attribute 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.
Claim 32
Dependent Claim
16 words
The system of claim 29 , wherein said single link direction is a forward communication link.
Claim 33
Dependent Claim
16 words
The system of claim 29 , wherein said single link direction is a reverse communication link.
Claim 34
Dependent Claim
53 words
The system of claim 17 , wherein said first set of signal beams includes contiguous signal beams and said second set of signal beams includes contiguous signal beams, and wherein the signal beams of said first set and the signal beams of said second set provide communication within a same area of service.
Claim 35
Dependent Claim
21 words
The system of claim 32 , wherein said plurality of signal beams arc narrow antenna beams of approximately 30° azimuthal width.
Claim 36
Dependent Claim
14 words
The system of claim 17 , wherein said communication device is an AMPS radio.
Claim 37
Dependent Claim
14 words
The system of claim 17 , wherein said communication device is a DAMPS radio.
Claim 38
Dependent Claim
14 words
The system of claim 17 , wherein said communication device is a TDMA radio.
Claim 39
Dependent Claim
14 words
The system of claim 17 , wherein said communication device is a CDMA radio.
Claim 40
Dependent Claim
167 words
A communication system comprising: 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.
Claim 41
Dependent Claim
167 words
A communication system comprising: 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.
Claim 42
Dependent Claim
58 words
The system of claim 38 , wherein said first and said second antenna beam signal path branches are adapted to provide substantially redundant communications with respect to each other to thereby provide continued operation of said communication system in the event of a failure of either one of said first and said second antenna beam signal path branches.
Claim 43
Dependent Claim
47 words
The system of claim 38 , wherein said first antenna beam signal path branch comprises circuitry initially deployed as an active antenna beam signal path branch portion and said second antenna beam path branch comprises circuitry initially deployed as a standby antenna beam signal path branch portion.
Claim 44
Dependent Claim
41 words
The system of claim 38 , wherein said antenna array comprises a plurality of multiple beam antenna panels each of which is adapted to provide a plurality of substantially non-overlapping antenna beams of at least one polarization of said polarization diversity.
Claim 45
Dependent Claim
34 words
The system of claim 41 , wherein each multiple beam antenna panel of said plurality is also adapted to provide a plurality of substantially non-overlapping antenna beams of another polarization of said polarization diversity.
Claim 46
Dependent Claim
29 words
The system of claim 42 wherein said plurality of antenna beams of said at least one polarization and said plurality of antenna beams of said another polarization substantially overlap.
Claim 47
Independent Claim
149 words
A method of providing communications within multiple antenna beams, said method comprising the steps of: 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.
Claim 48
Independent Claim
149 words
A method of providing communications within multiple antenna beams, said method comprising the steps of: 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.
Claim 49
Dependent Claim
54 words
The method of claim 44 , wherein said step of coupling said first group of antenna beams utilizes circuitry initially deployed as an active antenna beam signal path branch portion and said step of coupling said second group of antenna beams utilizes circuitry initially deployed as a standby antenna beam signal path branch portion.
Claim 50
Dependent Claim
43 words
The method of claim 44 , further comprising the step of: 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.
Claim 51
Dependent Claim
43 words
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.
Claim 52
Dependent Claim
30 words
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.
Claim 53
Dependent Claim
21 words
The method of claim 44 , wherein said first and said second interfaces are associated with a cellular telephony radio unit.
Claim 54
Dependent Claim
22 words
The method of claim 44 , wherein said first and said second interfaces are associated with a personal communication services radio unit.
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