IP Library Granted Patent US 7,805,142
Granted Patent B2
US 7,805,142 · App. 10/815,797 · Granted Sep 28, 2010

Methods and device for varying a hand-off base station list based on traffic conditions

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Quick Facts
Patent No.
US 7,805,142
App. No.
10/815,797
Granted
Sep 28, 2010
Kind
B2
Abstract

A neighbor list of potential hand-off base stations is varied to control call blocking and dropping rates. The list may be varied in accordance with real-time traffic flow criteria.

Claims (18)

1. A method implemented in a controller for setting a number of base stations that can be considered hand-off base stations comprising the steps of:

measuring real-time traffic flow criteria associated with one or more base stations; and

setting a number of base stations, from a list of potential hand-off base stations, that can be considered hand-off base stations to a number that is below an initial number to prevent undesired fluctuations in call blocking and call dropping rates depending on the measured traffic flow criteria and traffic-based hysteresis parameters;

further comprising the step of maintaining an initial neighbor list and generating an adaptable neighbor list of potential hand-off base stations based on traffic flows and traffic-based hysteresis parameters.

2. The method as in claim 1 wherein the number of base stations included in the neighbor list of potential hand-off base stations is less than a maximum number of base stations included in an initial neighbor list.

3. The method as in claim 1 further comprising the step of forwarding the adaptable neighbor list to a wireless device.

4. The method as in claim 1 wherein a wireless device is operable to enable a hand-off.

5. The method as in claim 1 wherein at least one base station on the list is operable to enable a hand-off.

6. A system for setting a hand-off base station list, operable to:

measure real-time traffic flow criteria associated with one or more base stations; and

set a number of base stations, from a list of potential hand-off base stations, that can be considered hand-off base stations, to a number that is below an initial number to prevent undesired fluctuations in call blocking and call dropping rates depending on the measured traffic flow criteria and traffic-based hysteresis parameters;

further comprising the step of maintaining an initial neighbor list and generating an adaptable neighbor list of potential hand-off base stations based on traffic flows and traffic-based hysteresis parameters.

7. The system as in claim 6 wherein the number of base stations included in the neighbor list of potential hand-off base stations is less than a maximum number of base stations included in an initial neighbor list.

8. The system as in claim 6 comprising a control section operable to forward an adaptable neighbor list to a wireless device.

9. A system for setting a hand-off base station list comprising:

means for measuring real-time traffic flow criteria associated with one or more base stations; and

means for setting a number of base stations, from a list of potential hand-off base stations, that can be considered hand-off base stations to a number that is below an initial number to prevent undesired fluctuations in call blocking and call dropping rates depending on the measured traffic flow criteria and traffic-based hysteresis parameters;

further comprising the step of maintaining an initial neighbor list and generating an adaptable neighbor list of potential hand-off base stations based on traffic flows and traffic-based hysteresis parameters.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Oct 9, 2014
From: CREDIT SUISSE AG
To: ALCATEL-LUCENT USA INC.
Reel/Frame 033949/0531 →
SECURITY INTEREST Recorded Mar 7, 2013
From: ALCATEL-LUCENT USA INC.
To: CREDIT SUISSE AG
Reel/Frame 030510/0627 →
MERGER Recorded Aug 11, 2010
From: LUCENT TECHNOLOGIES INC.
To: ALCATEL-LUCENT USA INC.
Reel/Frame 024822/0014 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 2, 2004
From: CALIN, DORU; MORAWSKI, THOMAS B.
To: LUCENT TECHNOLOGIES INC.
Reel/Frame 015181/0640 →