US5960350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and system for optimizing a traffic channel in a wireless communications system
Assignee: Google Technology Holdings LLC
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Filing: 1996-12-05
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Granted: 1999-09-28
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Expires: 2016-12-05
Abstract
Abstract In a wireless communications system (20), a beacon having a first radiation pattern (28) covering a portion of a subscriber service area (34) covered by a base station is transmitted. A subscriber (36) reception quality is then measured to produce a first beacon quality measurement (210). Thereafter, the first radiation pattern is changed to a second radiation pattern (32, 212), and a subscriber reception quality of the beacon transmitted with a second radiation pattern is measured to produce a second beacon quality measurement (214). In response to the first and second beacon quality measurements, a traffic channel radiation pattern (32) is selected (218), wherein such radiation pattern covers a portion of the subscriber service area. In a preferred embodiment, the beacon carrier frequency is the same as the traffic channel carrier frequency.
Inventors
- 👤 Eric Reed Schorman
- 👤 Walter Joseph Rozanski, Jr.
- 👤 Michael Paul Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:35
CPC Classifications
H; H04; H04W; H04W28/00; H04W28/02; H04W28/06; H04B; H04B15/00; H04W16/00; H04W16/24; H04W16/28; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/2605; H04B7/00; H04B7/02; H04B7/04; H04B7/06; H04B7/0602
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
137 words
A method of optimizing a traffic channel in a wireless communication system: transmitting a beacon having a first radiation pattern covering a portion of a subscriber service area covered by a base station, wherein said beacon is a spread spectrum signal that is at least substantially orthogonal to said traffic channel; measuring a subscriber reception quality of said beacon transmitted with said first radiation pattern to produce a first beacon quality measurement; changing said first radiation pattern to a second radiation pattern; measuring a subscriber reception quality of said beacon transmitted with said second radiation pattern to produce a second beacon quality measurement; and in response to said first and second beacon quality measurements, selecting a traffic channel radiation pattern having a radiation pattern covering a portion of said subscriber service area covered by said base station.
Claim 2
Independent Claim
137 words
A method of optimizing a traffic channel in a wireless communication system: transmitting a beacon having a first radiation pattern covering a portion of a subscriber service area covered by a base station, wherein said beacon is a spread spectrum signal that is at least substantially orthogonal to said traffic channel; measuring a subscriber reception quality of said beacon transmitted with said first radiation pattern to produce a first beacon quality measurement; changing said first radiation pattern to a second radiation pattern; measuring a subscriber reception quality of said beacon transmitted with said second radiation pattern to produce a second beacon quality measurement; and in response to said first and second beacon quality measurements, selecting a traffic channel radiation pattern having a radiation pattern covering a portion of said subscriber service area covered by said base station.
Claim 3
Dependent Claim
22 words
The method of optimizing a traffic channel according to claim 1 wherein said beacon has the same frequency as said traffic channel.
Claim 4
Dependent Claim
60 words
The method of optimizing a traffic channel according to claim 1 wherein said step of selecting a traffic channel radiation pattern further includes the steps of: comparing said first and second beacon quality measurements; and selecting a traffic channel radiation pattern substantially similar to said second radiation pattern if said second beacon quality measurement exceeds said first beacon quality measurement.
Claim 5
Dependent Claim
79 words
The method of optimizing a traffic channel according to claim 1 further including the steps of: repeating said changing and measuring steps using a plurality of radiation patterns each covering selected portions of said subscriber service area covered by said base station; selecting one of said plurality of radiation patterns associated with a beacon quality measurement that exceeds a threshold; and selecting a traffic channel radiation pattern in response to said selected one of said plurality of radiation patterns.
Claim 6
Dependent Claim
22 words
The method of optimizing a traffic channel according to claim 1 wherein said beacon quality measurement is a beacon signal strength measurement.
Claim 7
Dependent Claim
39 words
The method of optimizing a traffic channel according to claim 1 wherein said first radiation pattern covers a sector-shaped portion of said subscriber service area extending radially from said base station to the extent of said subscriber service area.
Claim 8
Dependent Claim
19 words
The method of optimizing a traffic channel according to claim 1 wherein said beacon is a time-offset spreading code.
Claim 9
Dependent Claim
33 words
The method of optimizing a traffic channel according to claim 1 further including transferring said first and second beacon quality measurements from said subscriber to said base station via an uplink traffic channel.
Claim 10
Independent Claim
146 words
A system for optimizing a traffic channel in a wireless communication system: means for transmitting a beacon having a first radiation pattern covering a portion of a subscriber service area covered by a base station, wherein said beacon is a spread spectrum signal that is at least substantially orthogonal to said traffic channel; means for measuring a subscriber reception quality of said beacon transmitted with said first radiation pattern to produce a first beacon quality measurement; means for changing said first radiation pattern to a second radiation pattern; means for measuring a subscriber reception quality of said beacon transmitted with said second radiation pattern to produce a second beacon quality measurement; and means for selecting a traffic channel radiation pattern having a radiation pattern covering a portion of said subscriber service area covered by said base station in response to said first and second quality measurements.
Claim 11
Independent Claim
146 words
A system for optimizing a traffic channel in a wireless communication system: means for transmitting a beacon having a first radiation pattern covering a portion of a subscriber service area covered by a base station, wherein said beacon is a spread spectrum signal that is at least substantially orthogonal to said traffic channel; means for measuring a subscriber reception quality of said beacon transmitted with said first radiation pattern to produce a first beacon quality measurement; means for changing said first radiation pattern to a second radiation pattern; means for measuring a subscriber reception quality of said beacon transmitted with said second radiation pattern to produce a second beacon quality measurement; and means for selecting a traffic channel radiation pattern having a radiation pattern covering a portion of said subscriber service area covered by said base station in response to said first and second quality measurements.
Claim 12
Dependent Claim
22 words
The system for optimizing a traffic channel according to claim 9 wherein said beacon has the same frequency as said traffic channel.
Claim 13
Dependent Claim
61 words
The system for optimizing a traffic channel according to claim 9 wherein said means for selecting a traffic channel radiation pattern further includes: means for comparing said first and second beacon quality measurements; and means for selecting a traffic channel radiation pattern substantially similar to said second radiation pattern if said second beacon quality measurement exceeds said first beacon quality measurement.
Claim 14
Dependent Claim
82 words
The system for optimizing a traffic channel according to claim 9 further including: means for repeating said changing and measuring steps using a plurality of radiation patterns each covering selected portions of said subscriber service area covered by said base station; means for selecting one of said plurality of radiation patterns associated with a beacon quality measurement that exceeds a threshold; and means for selecting a traffic channel radiation pattern in response to said selected one of said plurality of radiation patterns.
Claim 15
Dependent Claim
21 words
The system for optimizing a traffic channel according to claim 9 wherein said beacon quality measurement is a beacon strength measurement.
Claim 16
Dependent Claim
39 words
The system for optimizing a traffic channel according to claim 9 wherein said first radiation pattern covers a sector-shaped portion of said subscriber service area extending radially from said base station to the extent of said subscriber service area.
Claim 17
Dependent Claim
19 words
The system for optimizing a traffic channel according to claim 9 wherein said beacon is a time-offset spreading code.
Claim 18
Dependent Claim
35 words
The system for optimizing a traffic channel according to claim 9 further including means for transferring said first and second beacon quality measurements from said subscriber to said base station via an uplink traffic channel.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-09-27 | 2003-03-29 | 2003-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-09-27 | 2007-03-29 | 2007-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-09-27 | 2011-03-29 | 2011-09-28 | $7700.00 | Window Closed / Lapsed |