WO2005022943A1 - System and method for using geographical location to determine when to exit an existing wireless communications coverage network - Google Patents
System and method for using geographical location to determine when to exit an existing wireless communications coverage network Download PDFInfo
- Publication number
- WO2005022943A1 WO2005022943A1 PCT/US2004/027085 US2004027085W WO2005022943A1 WO 2005022943 A1 WO2005022943 A1 WO 2005022943A1 US 2004027085 W US2004027085 W US 2004027085W WO 2005022943 A1 WO2005022943 A1 WO 2005022943A1
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- WIPO (PCT)
- Prior art keywords
- boundary line
- threshold boundary
- sample point
- coverage network
- coverage
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004891 communication Methods 0.000 title claims abstract description 41
- 230000004044 response Effects 0.000 claims abstract description 50
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000009825 accumulation Methods 0.000 claims description 103
- 239000013598 vector Substances 0.000 claims description 15
- 238000007620 mathematical function Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 230000000153 supplemental effect Effects 0.000 description 25
- 238000013459 approach Methods 0.000 description 8
- 230000002028 premature Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
Definitions
- Fig. 1 is a schematic block diagram depicting a system 100 for determining when to exit an existing wireless communications coverage network.
- the system 100 in wireless device 101 includes a locator 102 with an output on line 104 to supply device geographical sample positions and a calculator 106 with an input connected to line 104.
- the calculator 106 can be implemented in software or hardware.
- the locator 102 output on line 104 supplies device geographical sample positions periodically.
- the calculator 106 has an output on line 107 to supply an exit control signal responsive to a history of device geographical sample positions and a first threshold boundary line.
- the calculator 106 includes a comparison circuit 108 and a counting circuit 110.
- the comparison circuit 108 output on line 118 supplies a first decrement control signal in response to accepting a device geographical sample position in the first zone and the comparison circuit 108 output on line 120 supplies a first increment control signal in response to accepting a device geographical sample position in the second zone.
- the counting circuit 110 includes a subtracting circuit 122, an adding circuit 124, and a totalizer 126.
- assigning an accumulation amount to each sample point position in Step 508 includes assigning a first plurality of successively larger accumulation amounts to respective positions in the first plurality of sample point positions, beginning with the initial sample point position.
- the initial position in the first plurality is assigned the smallest accumulation value and each subsequent position in the first plurality is assigned an accumulation amount larger than that assigned to the position preceding the subsequent position.
- the value of an initial amount in the first plurality of accumulation values, corresponding to the initial position in the first plurality of sample point positions is greater than the value of the first accumulation amount and a value of an initial amount in the second plurality of accumulation values, corresponding to the initial position in the second plurality of sample point positions, is greater than the value of the second accumulation amount.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04781711A EP1661429B1 (en) | 2003-08-26 | 2004-08-19 | Method and device for using geographical location to determine when to exit an existing wireless communications coverage network |
BRPI0413995-0A BRPI0413995A (en) | 2003-08-26 | 2004-08-19 | system and method for using geographic location to determine when to leave an existing wireless coverage network |
CA002537007A CA2537007A1 (en) | 2003-08-26 | 2004-08-19 | System and method for using geographical location to determine when to exit an existing wireless communications coverage network |
JP2006524751A JP4467080B2 (en) | 2003-08-26 | 2004-08-19 | System and method for using geographic location to determine when to leave current wireless coverage network |
CN2004800246519A CN1843051B (en) | 2003-08-26 | 2004-08-19 | System and method for using geographical location to determine when to exit an existing wireless communications coverage network |
KR1020067003632A KR101083456B1 (en) | 2003-08-26 | 2004-08-19 | System and method for using geographical location to determine when to exit an existing wireless communication coverage network |
DE602004012119T DE602004012119T2 (en) | 2003-08-26 | 2004-08-19 | METHOD AND DEVICE FOR USING A GEOGRAPHIC POSITION FOR DETERMINING WHEN TO BE EXITED FROM AN EXISTING WIRELESS COMMUNICATIONS COVERING NETWORK |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/649,011 US7085571B2 (en) | 2003-08-26 | 2003-08-26 | System and method for using geographical location to determine when to exit an existing wireless communications coverage network |
US10/649,011 | 2003-08-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005022943A1 true WO2005022943A1 (en) | 2005-03-10 |
Family
ID=34216842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/027085 WO2005022943A1 (en) | 2003-08-26 | 2004-08-19 | System and method for using geographical location to determine when to exit an existing wireless communications coverage network |
Country Status (11)
Country | Link |
---|---|
US (2) | US7085571B2 (en) |
EP (1) | EP1661429B1 (en) |
JP (1) | JP4467080B2 (en) |
KR (1) | KR101083456B1 (en) |
CN (1) | CN1843051B (en) |
AT (1) | ATE387826T1 (en) |
BR (1) | BRPI0413995A (en) |
CA (1) | CA2537007A1 (en) |
DE (1) | DE602004012119T2 (en) |
ES (1) | ES2300823T3 (en) |
WO (1) | WO2005022943A1 (en) |
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DE602004012119T2 (en) | 2009-04-30 |
ES2300823T3 (en) | 2008-06-16 |
JP4467080B2 (en) | 2010-05-26 |
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BRPI0413995A (en) | 2006-11-07 |
CN1843051B (en) | 2011-12-14 |
CA2537007A1 (en) | 2005-03-10 |
KR101083456B1 (en) | 2011-11-16 |
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US20050048976A1 (en) | 2005-03-03 |
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JP2007503768A (en) | 2007-02-22 |
CN1843051A (en) | 2006-10-04 |
EP1661429B1 (en) | 2008-02-27 |
ATE387826T1 (en) | 2008-03-15 |
US7302271B2 (en) | 2007-11-27 |
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