US6553235B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for providing adaptive fast radio channel congestion control
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 2000-12-22
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Granted: 2003-04-22
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Expires: 2020-12-22
Abstract
Abstract Downlink congestion is accurately detected and congestion control is more effectively provided without decreasing the system downlink capacity. The characteristics of the downlink transmission of the base station are monitored and used to selectively adjust a fast congestion control (FCC) alarm threshold value in each base station. A FCC relief action is initiated upon detecting the downlink power exceeding the FCC alarm threshold value, i.e., potential downlink congestion. The FCC relief action includes temporarily blocking data services in the system or rapidly decreasing the downlink transmit power of the packet data user's Dedicated Physical Channels in the base stations.
Inventors
- 👤 Gunnar Bark
- 👤 Niclas Wiberg
- 👤 Ke Wang Helmersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:28
CPC Classifications
H; H04; H04W; H04W52/00; H04W52/04; H04W52/30; H04W52/34; H04W52/343
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
87 words
A base station comprising: means for providing channel control including an alarm which detects channel congestion; and means for providing congestion relief upon detecting channel congestion, wherein said alarm includes: means for monitoring at least one of a plurality of characteristics of downlink transmission on radio channels of the base station; means for comparing said at least one of characteristics of downlink transmission and a threshold value of said alarm; and means for selectively adjusting said threshold value based on the detected characteristics of the downlink transmission.
Claim 2
Dependent Claim
87 words
A base station comprising: means for providing channel control including an alarm which detects channel congestion; and means for providing congestion relief upon detecting channel congestion, wherein said alarm includes: means for monitoring at least one of a plurality of characteristics of downlink transmission on radio channels of the base station; means for comparing said at least one of characteristics of downlink transmission and a threshold value of said alarm; and means for selectively adjusting said threshold value based on the detected characteristics of the downlink transmission.
Claim 3
Dependent Claim
28 words
The base station of claim 1 , wherein said alarm further comprises: means for determining the variation over time of the downlink transmit power of the base station.
Claim 4
Dependent Claim
55 words
The base station of claim 1 , wherein said alarm further comprises: means for tracking number of users serviced by the base station and number of the users's offered bit rates; and means for determining the variation over time of the downlink transmit power of the base station with respect to said offered bit rates.
Claim 5
Dependent Claim
25 words
The base station of claim 1 , wherein said means for providing congestion relief comprises: means for temporarily blocking downlink transmission on said radio channels.
Claim 6
Dependent Claim
37 words
The base station of claim 4 , wherein said means for providing congestion relief further comprises: means for receiving a maximum downlink power limit for said radio channels; and means for decreasing said maximum downlink power limit.
Claim 7
Dependent Claim
40 words
The base station of claim 4 , wherein said means for providing congestion relief further comprises: means for identifying channels carrying only packet data; and means for imposing a maximum downlink power limit on said channels carrying only packet data.
Claim 8
Dependent Claim
39 words
The base station of claim 4 , wherein said means for providing congestion relief further comprises: means for identifying channels carrying only packet data; and means for switching off downlink transmit power of said channels carrying only packet data.
Claim 9
Dependent Claim
41 words
The base station of claim 4 , wherein said means for providing congestion relief further comprises: means for identifying channels carrying only packet data; and means for implementing a time-multiplexed switching-off downlink transmit power on said channels carrying only packet data.
Claim 10
Dependent Claim
63 words
The base station of claim 4 , wherein said means for providing congestion relief further comprises: means for identifying channels carrying only packet data; means for estimating a ranking for each of said channels carrying only packet data; and means for switching off downlink transmit power of said channels carrying only packet data in the order of the ranking until congestion is relieved.
Claim 11
Dependent Claim
20 words
The base station of claim 1 further comprising: means for notifying a radio network controller of the detected channel congestion.
Claim 12
Independent Claim
81 words
A method for monitoring transmission congestions in a radiocommunication system, the method comprising the steps of: monitoring at least one of a plurality of characteristics of downlink transmission on radio channels of a base station; selectively adjusting a threshold value based on the detected characteristics of the downlink transmission; comparing said at least one of a plurality of characteristics of downlink transmission and said threshold value; and determining the variation over time of the downlink transmit power of the base station.
Claim 13
Independent Claim
81 words
A method for monitoring transmission congestions in a radiocommunication system, the method comprising the steps of: monitoring at least one of a plurality of characteristics of downlink transmission on radio channels of a base station; selectively adjusting a threshold value based on the detected characteristics of the downlink transmission; comparing said at least one of a plurality of characteristics of downlink transmission and said threshold value; and determining the variation over time of the downlink transmit power of the base station.
Claim 14
Dependent Claim
50 words
The method of claim 11 , further comprising the steps of: tracking number of users serviced by the base station and number of the users' offered bit rates; and determining the variation over time of the downlink transmit power of the base station with respect to said offered bit rates.
Claim 15
Dependent Claim
25 words
The method of claim 11 , wherein said monitoring at least one of a plurality of characteristics of downlink transmission is at the base station.
Claim 16
Dependent Claim
26 words
The method of claim 11 , wherein said monitoring at least one of a plurality of characteristics of downlink transmission is at a radio network controller.
Claim 17
Independent Claim
87 words
A method for relieving transmission congestions in a base station of a radiocommunication system, the method comprising the steps of: monitoring at least one of a plurality of characteristics of downlink transmission on radio channels of a base station; selectively adjusting a threshold value based on the detected characteristics of the downlink transmission; comparing said at least one of a plurality of characteristics of downlink transmission and said threshold value; and temporarily blocking downlink transmission on radio channels of the base station based on the comparing step.
Claim 18
Independent Claim
87 words
A method for relieving transmission congestions in a base station of a radiocommunication system, the method comprising the steps of: monitoring at least one of a plurality of characteristics of downlink transmission on radio channels of a base station; selectively adjusting a threshold value based on the detected characteristics of the downlink transmission; comparing said at least one of a plurality of characteristics of downlink transmission and said threshold value; and temporarily blocking downlink transmission on radio channels of the base station based on the comparing step.
Claim 19
Dependent Claim
20 words
The method of claim 15 , further comprising the step of: notifying a radio network controller of the transmission congestions.
Claim 20
Dependent Claim
32 words
The method of claim 15 , further comprising the steps of: receiving a maximum downlink power limit for said radio channels; and decreasing said maximum downlink power limit for said radio channels.
Claim 21
Dependent Claim
31 words
The method of claim 15 , further comprising the steps of: identifying channels carrying only packet data; and imposing a maximum downlink power limit on said channels carrying only packet data.
Claim 22
Dependent Claim
30 words
The method of claim 15 , further comprising the steps of: identifying channels carrying only packet data; and switching off downlink transmit power of said channels carrying only packet data.
Claim 23
Dependent Claim
33 words
The method of claim 15 , further comprising the steps of: identifying channels carrying only packet data; and implementing a time-multiplexed switching-off downlink of transmit power on said channels carrying only packet data.
Claim 24
Dependent Claim
52 words
The method of claim 15 , further comprising the steps of: identifying channels carrying only packet data; estimating a ranking for each of said channels carrying only packet data; and switching off downlink transmit power of said channels carrying only packet data in the order of the ranking until congestion is relieved.
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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) | 2006-04-21 | 2006-10-21 | 2007-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-04-21 | 2010-10-21 | 2011-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-04-21 | 2014-10-21 | 2015-04-22 | $7700.00 | Window Closed / Lapsed |