WO2005086378A1 - Multi-mode multi-band mobile communication terminal and mode switching method thereof - Google Patents
Multi-mode multi-band mobile communication terminal and mode switching method thereof Download PDFInfo
- Publication number
- WO2005086378A1 WO2005086378A1 PCT/KR2005/000600 KR2005000600W WO2005086378A1 WO 2005086378 A1 WO2005086378 A1 WO 2005086378A1 KR 2005000600 W KR2005000600 W KR 2005000600W WO 2005086378 A1 WO2005086378 A1 WO 2005086378A1
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- Prior art keywords
- mobile communication
- mode
- asynchronous
- synchronous
- communication network
- Prior art date
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 364
- 238000000034 method Methods 0.000 title claims abstract description 105
- 238000004891 communication Methods 0.000 claims abstract description 258
- 230000001360 synchronised effect Effects 0.000 claims abstract description 258
- 230000002950 deficient Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 230000009849 deactivation Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- GVVPGTZRZFNKDS-JXMROGBWSA-N geranyl diphosphate Chemical compound CC(C)=CCC\C(C)=C\CO[P@](O)(=O)OP(O)(O)=O GVVPGTZRZFNKDS-JXMROGBWSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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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
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/195—Non-synchronous stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
- H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]
-
- 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
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/36—Reselection control by user or terminal equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the present invention relates to a multi-mode multi-band mobile communication terminal for supporting both an asynchronous communication network and a synchronous communication network, and more particularly to a multi-mode multi-band mobile communication terminal and a mode switching method thereof, which can perform a mode switching between an asynchronous mobile communication network and a synchronous mobile communication network while minimizing interruption in the communication.
- the main processor 443 determines whether the mobile communication terminal 400 has escaped from the area of the asynchronous communication network 100, and performs mode switching into the synchronous mode through the synchronous modem 434 started its operation in step SI 60 when it is determined that the mobile communication terminal 400 has escaped from the area of the asynchronous communication network 100 (step SI 72). Then, the main processor 443 determines if the call has been ended or not (step SI 73). When it is determined in step SI 73 that the call has been ended, the main processor 443 performs step SI 80 and determines if the mobile communication terminal 400 is cunently located within the area of the asynchronous communication network 100 in order to go into the idle state.
- the mobile communication terminal determines that it is necessary to shift into the synchronous mode and operates the synchronous modem (step S250). After operating the synchronous modem, the mobile communication terminal switches the cunent communication mode (asynchronous mode) to the synchronous mode (step S260).
- the cunent terminal mode is not the prefened asynchronous mode, for example, when the cunently set terminal mode is the dedicated asynchronous mode, the mobile communication terminal does not perform the mode switching and maintains the cunent asynchronous mode even though the system information block satisfies conditions for the mode switching (step S231).
- the mobile communication terminal in communication through the synchronous communication network checks overhead message information of the BSC 202 of the synchronous communication network 200 (step S310). Then, the MCT determines if the base ID information found in step S310 includes a preset mode switch parameter (step S320).
- the mode switch parameter is set at a bit at a predetermined ordinal position (the second bit in the present embodiment) from the Most Significant Bit (MSB) in the base ID and is a parameter for notifying the overlap area between the asynchronous communication network and the synchronous communication network.
- the method according to the sixth embodiment of the present invention is a method performed when the synchronous communication network is defective or has such a weak electric field that it is impossible to register the location in the course of the mode switching from the asynchronous mode to the synchronous mode.
- the mode transition may be repeatedly tried alternately into the synchronous communication network and the asynchronous communication network, thereby causing a ping-pong phenomenon in which the mobile communication terminal continuously stays in a communication disabled state. Therefore, when the mobile communication terminal receives a mode switch command from the synchronous communication network, the mobile communication terminal tries registration of location by detecting an asynchronous signal in the asynchronous mode.
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR122017021988-0A BR122017021988B1 (en) | 2004-03-04 | 2005-03-04 | METHOD FOR MODULE SWITCHING OF A MULTIBODY MOBILE COMMUNICATION TERMINAL |
BRPI0508123-8A BRPI0508123B1 (en) | 2004-03-04 | 2005-03-04 | method for mode switching of a multimode multiband mobile communication terminal in an idle state |
CN2005800143112A CN1981458B (en) | 2004-03-04 | 2005-03-04 | Multi-mode multi-band mobile communication terminal and mode switching method thereof |
US10/591,822 US8094619B2 (en) | 2004-03-04 | 2005-03-04 | Multi-mode multi-band mobile communication terminal and mode switching method thereof |
BR122017021963-4A BR122017021963B1 (en) | 2004-03-04 | 2005-03-04 | METHOD FOR MODE SWITCHING OF A MULTIBODY MOBILE COMMUNICATION TERMINAL IN A TRAFFIC STATE |
BR122017021975-8A BR122017021975B1 (en) | 2004-03-04 | 2005-03-04 | METHOD FOR MODULE SWITCHING OF A MULTIBODY MOBILE COMMUNICATION TERMINAL |
JP2007501712A JP4731548B2 (en) | 2004-03-04 | 2005-03-04 | Multimode-multiband mobile communication terminal and mode switching method thereof |
BR122017021987-1A BR122017021987B1 (en) | 2004-03-04 | 2005-03-04 | METHOD FOR MODE SWITCHING OF A MULTIBAND MOBILE COMMUNICATION TERMINAL |
US13/236,076 US8503397B2 (en) | 2004-03-04 | 2011-09-19 | Multi-mode multi-band mobile communication terminal and mode switching method between asynchronous and synchronous mobile communication networks |
US13/852,735 US8897785B2 (en) | 2004-03-04 | 2013-03-28 | Multi-mode mobile communication terminal and mode switching method thereof |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-0014700 | 2004-03-04 | ||
KR1020040014700A KR101041336B1 (en) | 2004-03-04 | 2004-03-04 | Method of Switching Multi-mode Multi-band Mobile Communication Terminal |
KR1020040022949A KR100681898B1 (en) | 2004-04-02 | 2004-04-02 | Mode Switching Method of Multi-Mode Multi-Band Mobile Communication Terminal between CDMA Network and WCDMA Network |
KR10-2004-0022954 | 2004-04-02 | ||
KR1020040022954A KR100612685B1 (en) | 2004-04-02 | 2004-04-02 | Multi-mode Multi-band Mobile Communication Terminal and Mode Switching Method Thereof |
KR10-2004-0022949 | 2004-04-02 | ||
KR1020040033866A KR20050109115A (en) | 2004-05-13 | 2004-05-13 | Mode switching method of multi-mode multi-band mobile communication terminal between cdma network and wcdma network |
KR10-2004-0033866 | 2004-05-13 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/591,822 A-371-Of-International US8094619B2 (en) | 2004-03-04 | 2005-03-04 | Multi-mode multi-band mobile communication terminal and mode switching method thereof |
US13/236,076 Continuation US8503397B2 (en) | 2004-03-04 | 2011-09-19 | Multi-mode multi-band mobile communication terminal and mode switching method between asynchronous and synchronous mobile communication networks |
Publications (1)
Publication Number | Publication Date |
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WO2005086378A1 true WO2005086378A1 (en) | 2005-09-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2005/000600 WO2005086378A1 (en) | 2004-03-04 | 2005-03-04 | Multi-mode multi-band mobile communication terminal and mode switching method thereof |
Country Status (4)
Country | Link |
---|---|
US (3) | US8094619B2 (en) |
JP (1) | JP4731548B2 (en) |
BR (5) | BR122017021975B1 (en) |
WO (1) | WO2005086378A1 (en) |
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WO2008011301A1 (en) * | 2006-07-17 | 2008-01-24 | Intel Corporation | Location update operations for idle mode terminals with a plurality of wireless communication interfaces |
JP2008160741A (en) * | 2006-12-26 | 2008-07-10 | Nec Corp | Mobile terminal, communication system switching method, and program |
JP2011172288A (en) * | 2006-04-28 | 2011-09-01 | Lg Electronics Inc | Method of transmitting and receiving control information of multimode mobile terminal |
CN102264121A (en) * | 2010-05-31 | 2011-11-30 | 中国移动通信集团广西有限公司 | Multi-mode terminal network reselection method, multi-mode terminal equipment and communication system |
CN102572983A (en) * | 2010-12-14 | 2012-07-11 | 中国移动通信集团设计院有限公司 | Method, system and device for switching networks of mobile terminal |
CN104396288A (en) * | 2012-05-11 | 2015-03-04 | 英特尔公司 | Determining proximity of user equipment for device-to-device communication |
CN106973374A (en) * | 2017-03-29 | 2017-07-21 | 武汉米风通信技术有限公司 | It is a kind of based on roaming communication method of the ultra-narrow with Internet of Things multiple spectra CHINA RFTCOM Co Ltd |
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2011
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BR122017021975B1 (en) | 2019-04-24 |
BR122017021988B1 (en) | 2019-04-24 |
BR122017021987B1 (en) | 2021-04-13 |
US8897785B2 (en) | 2014-11-25 |
US20120069758A1 (en) | 2012-03-22 |
JP4731548B2 (en) | 2011-07-27 |
US20070280160A1 (en) | 2007-12-06 |
US8094619B2 (en) | 2012-01-10 |
BR122017021963B1 (en) | 2020-11-24 |
US8503397B2 (en) | 2013-08-06 |
US20130217394A1 (en) | 2013-08-22 |
BRPI0508123B1 (en) | 2020-12-08 |
JP2007526715A (en) | 2007-09-13 |
BRPI0508123A (en) | 2007-07-17 |
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