CN100379232C - System for providing wireless internet mobile communication service and method of the same - Google Patents
System for providing wireless internet mobile communication service and method of the same Download PDFInfo
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- CN100379232C CN100379232C CNB2004800034159A CN200480003415A CN100379232C CN 100379232 C CN100379232 C CN 100379232C CN B2004800034159 A CNB2004800034159 A CN B2004800034159A CN 200480003415 A CN200480003415 A CN 200480003415A CN 100379232 C CN100379232 C CN 100379232C
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/003—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor combined with other articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/02—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with one or more flat stamping surfaces having fixed images
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Abstract
Provided are a system and method for providing wireless Internet mobile communication service. A channel allocator allocates a communication channel to an Internet mobile station when the Internet mobile station transmits a call requesting message to an Internet mobile switching center system or when the Internet mobile switching center system transmits the call requesting message to the Internet mobile station. An address allocator allocates a rental IP address to the Internet mobile station, transmits address allocation information of the Internet mobile station, withdraws the rental IP address from the Internet mobile station when mobile communication between the Internet mobile station and a counterpart Internet mobile station ends, and informs the Internet mobile switching center system of the withdrawal of the rental IP address. A call controller receives an IP address of the counterpart Internet mobile station from the Internet mobile switching center system, transmits the IP address of the counterpart Internet mobile station to the Internet mobile station, and relays speech IP packets between the Internet mobile station and the counterpart Internet mobile station via a communication channel of the Internet mobile station.
Description
Technical field
The present invention relates to a kind of system and method that is used to provide wireless Internet mobile communication service, the invention particularly relates to a kind of system and method that is used to provide the wireless Internet mobile communication service of using Internet Protocol (IP) packet.
Background technology
Comprise that based on the communication service of internet the service of personal computer (PC) to the service of PC, PC to phone, phone are to the service of phone etc.In the service of PC, personal computer (PC) is carried out the other side PC that the Internet telephony program carries out via the Internet call the Internet telephony program at PC.PC provides communication between phone and the PC to the service of phone via internet link service provider's Internet telephony switching system (gateway).Phone provides communication between the phone to the service of phone via being installed on gateway on phone and the internet network.As the modification of PC to PC service, IP phone includes Internet telephony program in the micro controller I P phone to the IP phone service by execution provides communication between the IP phone (they are connected to the internet).
A kind of wireless internet mobile communication technology that is linked into the internet via WLAN (LAN) by access point (AP) has been proposed.This wireless internet mobile communication technology comprises following disclosing: 2001-54322 number (denomination of invention is the Korean Patent communique: wireless Internet telephone), 2002-0042107 number (denomination of invention is: the wireless Internet telephone communication and the Internet telephony that are used for the wireless Internet data communication), 20-0276694 number (denomination of invention is: the WLAN Internet telephony with USB connector) for 2002-0030701 number (denomination of invention is: internet telephone system and the method for using personal digital assistant) invention and Korean Utility Model.
Yet above-mentioned traditional internet mobile phone only can communicate with other internet mobile phone that is positioned at finite region.Even if when the wireless aps of the wireless IP of 802.11b had been adopted in use, the communication range in WLAN was 100m, the communication range of bluetooth is 10m or littler.Therefore, the internet mobile communication service can not be provided continuously.In other words and provide the code division multiple access (CDMA) that moves freely communication service different, be provided near the finite region of traditional wireless Internet mobile communication service AP.
Summary of the invention
The invention provides a kind of internet base station system, it provides communication service for the mobile phone user whenever and wherever possible via the internet.
The present invention also provides a kind of internet system of mobile switching centre, and it provides communication service for the mobile phone user whenever and wherever possible via the internet.
The present invention also provides a kind of internet mobile communication terminal, and it provides communication service for the mobile phone user whenever and wherever possible via the internet.
The present invention also provides wireless Internet mobile communication service for the mobile phone user whenever and wherever possible via the internet.
The present invention also provides a kind of computer-readable recording medium, and described media records the program of carrying out wireless Internet mobile communication service in computer.
According to an aspect of the present invention, a kind of internet base station system that provides can comprise: first communication unit, and it receives data with transfer of data to the internet mobile radio station and from the internet mobile radio station; The second communication unit, it arrives internet system of mobile switching centre and internet attaching position register system with transfer of data, and receives data from internet system of mobile switching centre and internet attaching position register system; Memory cell is stored the Internet Protocol address of himself and is assigned at least one or a plurality of Internet Protocol address of renting of described internet mobile radio station; Channel-assignment unit, when sending the internet mobile radio station call request message sent to described internet system of mobile switching centre via described first communication unit, or described internet system of mobile switching centre is when sending to the receiving internet mobile radio station with call request message, and described channel-assignment unit allocation of communication channels is to described transmission internet mobile radio station; Allocation unit, it will be rented Internet Protocol address and be assigned to described transmission internet mobile radio station, to include the identifying information of described internet mobile radio station and rent the address allocation information of Internet Protocol address and the Internet Protocol address of described memory cell sends to described internet system of mobile switching centre, when the mobile communication between described transmission internet mobile radio station and described receiving internet mobile radio station finishes, from the described Internet Protocol address of renting of described transmission internet mobile radio station cancellation, and the cancellation notice that will describedly rent the IP address is to described internet system of mobile switching centre; And call controller, receive the Internet Protocol address of described receiving internet mobile radio station from described internet system of mobile switching centre, the Internet Protocol address of described receiving internet mobile radio station is transferred to described transmission internet mobile radio station, via the described transmission of the communication channel relaying internet mobile radio station of described transmission internet mobile radio station and the voice over the Internet protocol packet between the described receiving internet mobile radio station.
According to another aspect of the present invention, a kind of internet system of mobile switching centre is provided, can comprise: first communication unit, with the registration of Internet Protocol address information with ask relevant information to send to the internet base station system and receive data from described internet base station system; The second communication unit sends to the data relevant with the request of described Internet Protocol address information connected internet attaching position register system and receives described data from described internet attaching position register system; Memory cell, storage comprise described internet mobile radio station identifying information address lease information, described internet mobile station system Internet Protocol address and/or give the IP address of described internet mobile radio station by described internet base station system assignment; Address manager, the storage first address lease information in described memory cell, the described first address lease information comprises the identifying information of the internet mobile radio station in the overlay area that enters described internet base station system and the IP address of described internet base station system, described address manager is when receiving the request of the described first address lease information of deletion from described internet mobile station system, the described first address lease information of deletion from described memory cell, described address manager is stored the second address lease information in described memory cell, the described second address lease information comprises the Internet Protocol address of renting of the IP address of the identifying information of described internet mobile radio station and described internet base station system and described special net mobile base station, described address manager when receiving the request of the described IP of the renting address of the described internet of cancellation mobile radio station from described internet base station system, the described second address lease information of deletion from described memory cell; And call controller, identifying information based on the receiving internet that receives from transmission internet base station system is searched for described memory cell, at the Internet Protocol address of the corresponding described receiving internet base station system of identifying information of described cell stores and described receiving internet mobile radio station with when renting Internet Protocol address, busy tone is sent to described transmission internet mobile radio station; When described memory cell is only stored Internet Protocol address with the corresponding described receiving internet base station system of the identifying information of described receiving internet mobile radio station, order described receiving internet base station system with communication channel with rent Internet Protocol address and be assigned to described receiving internet mobile radio station; The Internet Protocol address of renting of the described receiving internet mobile radio station that will receive from described receiving internet base station system sends to described transmission internet base station system; And the Internet Protocol address of renting of described transmission internet mobile radio station sent to described receiving internet base station system.
According to another aspect of the present invention, a kind of method that wireless Internet mobile communication service is provided also is provided, can comprise: (a) receiving call request message from the first internet mobile radio station or when internet system of mobile switching centre sends to described call request message the described first internet mobile radio station, giving the described first internet mobile radio station traffic channel assignment; (b) distribution is rented Internet Protocol address and is given the described first internet mobile radio station, and address allocation information sent to described internet system of mobile switching centre, described address allocation information comprises the identifying information of the described first internet mobile radio station and rents the Internet Protocol address and the identifying information of Internet Protocol address, the described second internet mobile radio station that the described second internet mobile radio station is and the corresponding internet of described first internet mobile radio station mobile radio station; (c) from described internet system of mobile switching centre the Internet Protocol address of the described second internet mobile radio station is sent to the described first internet mobile radio station; (d) via the communication channel that is assigned to the described first internet mobile radio station, the voice over the Internet protocol packet between described first internet mobile radio station of relaying and the described second internet mobile radio station; And (e) voice communication between described first internet mobile radio station and the described second internet mobile radio station finishes or the switching that is used for described first internet mobile radio station and/or the described second internet mobile radio station when being performed, the described Internet Protocol address of renting of cancellation from described first internet mobile radio station and/or the described second internet mobile radio station, and notify described internet system of mobile switching centre from described first internet mobile radio station and/or the described second internet mobile radio station, to cancel the described IP of renting address.
According to another aspect of the present invention, a kind of method that wireless Internet mobile communication service is provided also is provided, can comprise: (a) store in the address lease database: first address allocation information comprises the identifying information of the internet mobile radio station that receives from the internet base station system and the Internet Protocol address of described internet base station system; And/or second address allocation information, comprise the Internet Protocol address of renting of the Internet Protocol address of the identifying information of internet mobile radio station, described internet base station system and described internet mobile radio station; (b) search described address lease database based on the identifying information of the receiving internet mobile radio station that receives from transmission internet base station system; There is the corresponding Internet Protocol address of the identifying information with described receiving internet mobile radio station of receiving internet base station system and when renting Internet Protocol address at described address lease database, busy tone is sent to described transmission internet base station system; When described address lease database only has the corresponding Internet Protocol address of the identifying information receiving internet base station system and described receiving internet mobile radio station, order described receiving internet base station system with communication channel with rent Internet Protocol address and distribute to described receiving internet mobile radio station; From described receiving internet base station system the Internet Protocol address of renting of described receiving internet mobile radio station is sent to described transmission internet base station system, and the Internet Protocol address of renting of described transmission internet mobile radio station is sent to described receiving internet base station system; And (c) described internet base station system request cancel described internet mobile radio station described when renting Internet Protocol address, deletion and the corresponding address allocation information of described internet mobile radio station from described address lease database.
According to another aspect of the present invention, also provide a kind of internet mobile communication terminal, can comprise: speech processor is converted to the signal of telecommunication with input speech signal, or is voice signal with electrical signal conversion; Keyboard receives order from the user; Communication controler, it uses predetermined agreement call request message to be sent to the internet base station system that is connected with wireless Internet, and by described internet base station system assignment communication channel and Internet Protocol address setting up communication path, and response sends to described internet base station system by the paging signal of described internet base station system broadcasts with its identifying information; And data packet processor, based on the described Internet Protocol address of renting by described internet base station system assignment, from digital speech and video data and by generating the Internet Protocol packet the order data of keyboard input, and be digital speech and video data and character data with described Internet Protocol data packet recovery.
Brief Description Of Drawings
Above-mentioned and others of the present invention and useful effect will become apparent after with reference to appended accompanying drawing the preferred embodiments of the invention being described in detail, wherein:
Fig. 1 has shown the configured in one piece structure according to wireless internet mobile communication telephone system of the present invention;
Fig. 2 is the block diagram of internet mobile radio station;
Fig. 3 is the figure that is used to show the configuration of the wireless internet mobile communication network that includes the sub-district (cell) that is managed by a plurality of internet base station servers;
Fig. 4 is the block diagram according to the internet base station system of the preferred embodiment of the invention;
Fig. 5 is the block diagram according to the internet Mobile Switching Center Server of the preferred embodiment of the invention;
Fig. 6 A and 6B are the flow charts that is used to explain according to the method that wireless Internet mobile communication service is provided of the preferred embodiment of the invention;
Fig. 7 is the hand-off process of carrying out when wireless Internet mobile communication service is provided that shows according to the preferred embodiment of the invention.
Realize best mode of the present invention
The preferred embodiments of the invention are described hereinafter with reference to the accompanying drawings.
Fig. 1 has shown the configured in one piece structure according to wireless internet mobile communication of the present invention system.With reference to Fig. 1, the wireless internet mobile communication system comprises: internet mobile radio station (IMS) 100-1 is to 100-n, and internet base station (IBSS) 110-1 is to 110-n, internet Mobile Switching Center Server (IMSCS) 120, gateway system 130 and internet attaching position register server (IHLRS) 140.
IBSS 110-1 is connected via internet 150 to 110-n, MSCS 120, gateway system 130 and IHLRS 140.A plurality of wireless internet mobile communication system can be connected domestic to constitute (domestic) or international wireless internet mobile communication network concurrently via internet 150.
IMS 100-1 uses IP to transmit and receive packet in the process that moves to 100-n.IMS100-1 can be mobile Internet phone, PDA(Personal Digital Assistant) or notebook (notebook) to 100-n.
Fig. 2 is the block diagram of IMS 200.With reference to Fig. 2, IMS 200 comprises speech processor 210, video processor 220, keyboard 230, communication controler 240, data packet processor 250, audio coder ﹠ decoder (codec) 260, Video Codec 270, controller 280, program storage 285, data storage 287, wave point 290, radio modem 292 and outside wireline interface 294.
The IP packet is transferred to IBSS110-1 to 110-n via wave point 290 and radio modem 292.
Audio coder ﹠ decoder (codec) 260 will be converted to audio digital signals or audio digital signals is converted to the signal of telecommunication via the voice signal of microphone input, and the voice digital signal or the signal of telecommunication are provided to above-mentioned loud speaker.Audio coder ﹠ decoder (codec) 260 according to G.711, G723.1, G726 and G729 and other standard logarithmic word voice signal encode, compress and decode.Video Codec 270 will be converted to digital of digital video data or digital video via the vision signal of camera input, and character data is converted to vision signal, and make display show the data that are converted.
The control program that program storage 285 storage is used by controller 280, data storage 287 storages are used to Electronic Serial Number (ESN) and the telephone number to 100-n to IMS 100-1 each IMS 100-1 that differentiates in the 100-n.Wave point 290 and controller 280 and radio modem 292 interfaces, radio modem 292 is with the modulation of IP packet and/or be demodulated into radio frequency (RF) signal with the signal via and/or demodulation modulated with reception to the traffic channel of 110-n distribution by IBSS 110-1.Outside wireline interface 294 carries out interface with IMS 100-1 to 100-n and outside cable network.
IBSS 110-1 is the necessary core components that are used to provide wireless Internet mobile communication service to 110-n and IMSCS 120.
Fig. 3 is the figure that is used to show the configuration of the wireless internet mobile communication network that includes the sub-district (cell) that is managed by a plurality of IBSS.With reference to Fig. 3, IBSS 310,320 and 330 manages sub-district 340,350 and 360 respectively.In the present invention, as in business-like mobile communication technology at present, the sub-district is meant the coverage by an IBSS management.The size of sub-district can be dependent on user's dense degree.Usually, the size of sub-district increases along with the growth of user's dense degree, and the shape of sub-district is normally circular, but depends on surrounding environment.The IBSS 310 that management is provided with the sub-district 340 of IMS 370 therein will rent IP address assignment to IMS 370 via the communication channel that is assigned to IMS 370, and the IP data packet transmission is received packet to IMS 370 and from IMS 370.When a plurality of IMS were set in the sub-district, the IBSS of management respective cell was with communication channel and rent the IP address and be assigned to IMS respectively, the IP packet being wirelessly transmitted to IMS and from IMS wireless receiving packet, thereby carried out voice communications versus data communications.IBSS 310,320 and 330 is connected to IMSCS 390 via internet 380.
Fig. 4 is the block diagram according to the IBSS of the preferred embodiment of the invention.With reference to Fig. 4, IBSS 400 comprises first communication unit 410, second communication unit 420, memory cell 430, allocation units 440, allocation unit 450 and call controller 460.
When IMSCS 120 received call request message in via first communication unit 410 from IMS 100-1 to 100-n or call request information is transmitted into IMS 100-1 in 100-n, channel-assignment unit 440 allocation of communication channels were to corresponding IMS.Call request message comprises id information that sends IMS and the id information that receives IMS.The id information of IMS comprises telephone number and the ESN of IMS.
When sending IMS emission call request information to IMSCS 120, the id information that IMSCS 120 will receive IMS is provided to IBSS to order lower IBSS emission paging signal to above-mentioned reception IMS.IBSS emission paging signal receives IMS whether within their overlay area to detect.When above-mentioned reception IMS received response for paging signal, their notice IMSCS 120 above-mentioned reception IMS were positioned within their overlay area at lower IBSS.The channel-assignment unit allocation of communication channels of corresponding IBSS is to above-mentioned reception IMS.
In the time of within lower IBSS does not notify the overlay area that IMSCS 120 above-mentioned reception IMS are positioned at them, IMSCS 120 is provided with the id information that receives IMS for other IMSCS, to order other IMSCS emission paging signal.
The IP address of the reception IMS that call controller 460 will receive from IMSCS 120 is transmitted into and sends IMS, and the voice IP packet that sends IMS and receive between the IMS is carried out relaying via being assigned to the communication channel that sends IMS, when call controller 460 receives call request message from sending IMS, call controller 460 request IMSCS 120, with based on the id information that receives IMS with communication channel with rent IP address assignment to receiving IMS, and the IP address of renting that will receive IMS is transmitted into transmission IMS.When contiguous IBSS takes over the function that sends IMS by the switching (handoff) that is used to send IMS, call controller 460 is command channel allocation units 440 and allocation unit 450 release communication channels respectively, and cancellation is called out to disconnect from the IP address of renting that sends IMS.
Channel-assignment unit 440 discharges from the communication channel that sends IMS being used to send between the transfer period of IMS.Allocation unit 450 is rented the IP address from what send IMS being used to send cancellation between the transfer period of IMS, then with this cancellation notice IMSCS 120.
Above-mentioned switching is initiated to 100-n or IBSS 400 by IMS 100-1.Switching by IMS
When 100-1 initiated to 100-n, when the received-signal strength that receives from IBSS 400 was lower than the predetermined reference value, IMS 100-1 switched to the 100-n request.When switching by IBSS 400 startings, call controller 460 is carried out above-mentioned switching.Here, when the signal strength signal intensity that receives from IMS 100-1 to 100-n was lower than predetermined reference intensity, call controller 460 request IMSCS 120 switched.The IBSS that IMSCS 120 selects to be adjacent to IBSS 400 with managing I MS 100-1 to 100-n.When 460 switchings of IMSCS 120 notification call controllers were finished, the IP address was rented in call controller 460 command channel allocation units 440 and allocation unit 450 release communication channels and cancellation.
IHLRS 140 management and IMS 100-1 be to the relevant information of 100-n, and based on the IMS 100-1 that receives from IMSCS120 to the id information discriminating IMS 100-1 of 100-n to 100-n.Table 1 has shown the embodiment by the database of IHLRS 140 management.
Table one
| The telephone number of IMS1 | The ESN of IMS1 | The use paying information of IMS1 | User 1 personal data |
| The telephone number of IMS2 | The ESN of IMS2 | The use paying information of IMS2 | User 2 personal data |
| .. | .. | .. | .. |
| The telephone number of IMS3 | The ESN of IMS3 | The use paying information of IMS3 | User 3 personal data |
| The telephone number of external telephone number or other communication network | - | IP address with corresponding IHLRS of external telephone number or gateway system | - |
In database as shown in table 1, comprise the telephone number of subscribed IMS to communication service and ESN, use IMS paying information, with the corresponding user's of IBSS personal data.Database also comprises the telephone number of external telephone number or other communication network, and corresponding to the IP address of the external IHLRS of the telephone number of external telephone number or other communication network.
IHLRS 140 registration and cancellation IMS 100-1 be to 100-n, and managing I MS 100-1 is to the id information (telephone number and ESN) of 100-n, carry out authentication, to IMSCS120 the payment that IMS 100-1 roamed and managed cost of use to the address allocation information of 100-n, in the external telephone number of processing and the telephone number in the Public Switched Telephone Network (PSTN), processing be set to 100-n IMS 100-1.IHLRS 140 can comprise the low IHLRS in their zone of management and the higher IHLRS of the low IHLRS of management.
Fig. 5 is the block diagram according to the IMSCS of the preferred embodiment of the invention.With reference to Fig. 5, IMSCS500 comprises first communication unit 510, second communication unit 520, memory cell 530, address manager 540 and calls out connector 550.
Table two
| The telephone number of IMS1 | The ESN of IMS1 | The IP address of IBSS1 | IMS1 rents the IP address |
| The telephone number of IMS2 | The ESN of IMS2 | The IP address of IBSS2 | IMS2 rents the IP address |
| .. | .. | .. | .. |
| The telephone number of IMSn | The ESN of IMSn | The IP address of IBSSn | IMSn rents the IP address |
| The telephone number of PSTN | - | The IP address of gateway system | - |
| The telephone number of mobile telephone network (MTN) | - | The IP address of gateway system | - |
| External telephone number | - | The IP address of IHLRS | - |
According to table 2, address allocation information comprises telephone number and the ESN of IMS 100-1 to 100-n, and IP address and the IMS 100-1 of managing I MS 100-1 to the IBSS 110-1 of 100-n to 100-n rents the IP address to 100-n.The IP address of IMS 100-1 to the telephone number of 100-n and ESN and IBSS110-1 to 100-n IMS 100-1 enter to 100-n withdraw to 100-n to IMS 100-1 to the sub-district of 100-n management by IBSS 110-1 the sub-district during in be written into.IMS 100-1 begins to be written into during sign off in communication to the IP address of renting of 100-n.
Address allocation information also comprises the information that belongs to the telephone number zone of PSTN (or ISDN) and MTN about telephone number, with the relevant information in IP address that is used to the gateway system 130 of the telex network of PSTN and MTN.In the middle of the process that communicates between the user of PSTN and the wireless Internet communication network, the IP address of gateway system 130 is provided to IMS 100-1 to 100-n, and IMS 100-1 receives voice and other data with voice and other data transmission to gateway system 130 with from gateway system 130 via Ethernet to 100-n.Address allocation information also comprise about telephone number belong to external or other communication network telephone number information and about the information of the IP address of IHLRS 140.Is when belonging to the requests for telephone numbers call request message of external or other communication network at IMS 100-1 to 100-n, IMSCS 120 from IHLRS 140 outside the receiving country or the telephone number in other communication network rent the IP address, so that rent the IP address, thereby make and to communicate between 100-n and the telephone number at IMS 100-1 for IMS 100-1 is provided with to 100-n.
Address allocation information is stored according to two kinds of methods.In first method, when address manager 540 enters or leaves concrete IBSS (for example, IBSS 110-1) at concrete IMS (for example, IMS 100-1), address manager 540 allocations of storage addresses information.Here, the IP address of the IBSS 110-1 of the id information of address manager 540 storage IMS100-1 and managing I MS 100-1.Therefore, IMSCS 120 can be identified in and wherein have the IBSS of IMS 100-1 to 100-n.In the second approach, address manager 540 specific I BSS (for example, IBSS 110-1) stored specific I MS (for example, IMS100-1) rent the IP address.Therefore, IMSCS 120 can detect whether executive communication of IMS100-1.
Call out connector 550 and search memory cell 530 based on the id information of the IMS that receives from transmission IBSS.When memory cell 530 comprises the address allocation information that contains the id information that receives IMS, call out connector 550 and will distribute to the IP address of renting that receives IMS and be transmitted into and send IBSS, and will be assigned to the IP address of renting that sends IMS and be transmitted into and receive IBSS.When memory cell 530 does not comprise above-mentioned address allocation information, call out connector 550 order reception IBSS allocation of communication channels and IP address to receiving IMS.The IP address of renting of calling out reception IMS that connector 550 will receive from receive IBSS is transmitted into and sends IBSS, and the IP address of renting that will send IBSS is transmitted into reception IBSS.
When the id information that receives IMS belongs to the id information of the IMS in PSTN or the MTN, the Ip address of renting that calling connector 550 will send IMS is transmitted into gateway system 130 (it is connected to PSTN or MTN), and the IP address of gateway system 130 is transmitted into transmission IMS.When the id information that receives IMS was not stored in the memory cell 530, the id information that calling connector 550 will receive IMS was transmitted into the IMSCS of IHLRS 140 with identification managing I BSS (its management receives IMS).The IP address of renting of calling out reception IMS that connector 550 will receive from identified IMSCS is transmitted into and sends IBSS, and the IP address of renting that will send IMS is transmitted into reception IBSS.
Rent the IP address is used for IMS by execution switching when IMS cancels at IBSS Notify Address manager 540, address manager 540 is stored the address allocation information of the IMS that receives from the adjacent I BSS of the function of taking over managing I MS in memory cell 530.Address allocation information receives from the adjacent I BSS of the function of having taken over managing I MS (switching).Here, calling out connector 550 is provided with the reformed IP of the renting address of IMS for reception IMS.
Fig. 6 A and 6B are the flow charts that is used to explain according to the method that wireless Internet mobile communication service is provided of the preferred embodiment of the invention.
With reference to Fig. 6 A and Fig. 6 B, when the user ordered the service of wireless ethernet mobile communication, telephone number was assigned to the IMS that the user buys, and then, the telephone number that is assigned with is stored in the memory of IMS.In step S600, the telephone number of IMS and ESN and the information (using paying information, personal data etc.) that is related to the user are registered to IHLRS.
In step S605, when sending the transmission IMS of IBSS in coverage and receive call request message, with the IBSS allocation of communication channels with rent the IP address and send to and send IMS.In step S610, send IBSS and will comprise that the IP address of id information that sends IMS and the information of renting the IP address and transmission IBSS and the id information of reception IMS send to IMSCS.
In step S615, IMSCS stores address allocation information in the address lease database into.The structure of address lease database is as shown in table 2.In step S620, IMSCS discerns the communication network that receives IMS subscriber based on the id information that receives IMS, for example, and wireless internet mobile communication network, PSTN, wireless telephony network (WTN), international telephony network (ITN) etc.
In step S625, IMSCS determines whether communication network is the wireless internet mobile communication network.If determine communication network in step S625 is the wireless internet mobile communication network, and then in step 630, IMSCS is used to manage the address lease database of the IP address of the IBSS that receives IMS based on the id information search that receives IMS.In step S635, IMSCS detects the IP address whether the address lease database comprises IBSS based on the id information that receives IMS.IMSCS can go out the IBSS that management receives IMS based on the IP Address Recognition that is detected.If in step S635, determine the IP address that the address lease database comprises IBSS, then in step S640, IMSCS searches in the address lease database and the corresponding IP address of renting of id information that receives IMS.In step S660, IMSCS rents IP based on the id information search that receives IMS.If in step S635, determine the IP address that the address lease database does not comprise IBSS, then, in step S645, IMSCS inquiry IHLRS receives the position (that is, being provided with the relevant information of IBSS in the zone that receives IMS with management therein) of IMS to discern the position that receives IMS.
If in step S660, determine the address lease database and comprise and the corresponding IP of renting of the id information address that receives IMS, then in step S665, IMSCS sends IMS via sending the IBSS notice: receive IMS and just operate in executive communication.If in step S660, determining the address lease database does not comprise and the corresponding IP of renting of the id information address that receives IMS, then in step S670, IMSCS order reception IBSS is with communication channel and rent IP address assignment to receiving IMS, and via send IBSS for send IMS be provided with receive IMS rent the IP address, and the IP address of renting that will send IMS is provided to reception IMS via receiving IBSS.
If in step S625, the result who determines is that communication network is PSTN or WTN, and then in step S650, the IP address of renting that IMSCS will send IMS is transmitted into gateway system, and provides the IP address of gateway system via sending IBSS for sending IMS.If in step S625, the result who determines is that communication network is the wireless internet mobile communication network by other service provider's operation, then in step S655, the id information that IMSCS will receive IMS is transmitted into the IHLRS that is positioned within the wireless internet mobile communication network, with identification IMSCS, its management is used for receiving the IBSS that IMS manages.And, in step S655, IMSCS receive from the reception IMS of identified IMSC rent the IP address, and the IP address of renting that will receive IMS is transmitted into and sends IMS via sending IBSS, and the IP address of renting that will send IMS is transmitted into reception IMS via reception IBSS.
In step S675, send IMS emission VoP to receiving IMS to carry out mobile communication.In step S680, IBSS detects switching whether couple IMS is arranged or the request of communicating by letter cancellation in the middle of the process of mobile communication.If in step S680, define the switching of IMS or the request of communication cancellation, then in step S685, IBSS cancels communication channel and rents the IP address from IMS, and with this cancellation notice IMSCS.In step S690, IMSCS deletes the address allocation information of corresponding IMS from the address lease database.
Fig. 7 is the hand-off process of carrying out when wireless Internet mobile communication service is provided that shows according to the preferred embodiment of the invention.
With reference to Fig. 7, in step S700, provide the IBSS of communication service to measure the intensity that receives signal from IMS.When measured intensity was lower than predetermined reference intensity, in step S710, IBSS request IMSCS switched.In step S720, IMSCS selects to be adjacent to the IBSS of IBSS with managing I MS.Here, the contiguous IBSS of IMSCS order measures the signal strength signal intensity that receives from IMS, then selects to measure the IBSS with peak signal.
In step S730, when IMSCS order IBSS carried out switching, IBSS was from IMS cancellation communication channel and rent the IP address.In step S740, when contiguous IBSS notified the IMSCS communication channel and rent the cancellation of IP address, IMSCS deleted from the address lease database and the corresponding address allocation information of IMS.In step S750, IMSCS stores address allocation information in the address lease database into.In step S760, IMSCS is transmitted into reception IMS with the IP address of renting of the change of IMS.
Above-mentioned IMSCS carries out most of functions, that is, and and call treatment, service management, call transfer etc.IMSCS can be by being connected to IMSCS via the internet IHLRS based on the telephone number of IMS and ESN to the IMS authentication.Each IBSS is by the IMSCS control that is connected to each IBSS by internet or private network.Each IBSS is via antenna transmitting RF signal, and from other IBSS emission packet and receive packet.According to control channel scanning, connect determine, origination message transmission, channel allocation and the order of communicating by letter carry out and call out emission and handle.IMS by control channel scanning come from contiguous IBSS detect the density maximum signal, determine adjacent I BSS to be connected to, and will include the telephone number of the reception IMS that is dialed and own telephone number and the origination message of ESN thereof and be transmitted into the IBSS that is determined out.IBSS differentiates IMS via IMSCS, and with communication channel with rent IP address assignment to IMS.IMS carries out voice or data communication via communication channel.
According to the type, paging, response, the channel allocation that receive IMS and the order of communicating by letter, carry out to call out to receive and handle.When the user of the customer call wireless Internet mobile communication service of wireless Internet mobile communication service, Public Switched Telephone Network or mobile phone service, IMSCS determines which communication network the telephone number that receives IMS belongs to.Here, IMSCS order IBSS emission paging signal is with identification user's position.Because IMS constantly monitors the calling of IBSS, when IMS was called out at its telephone number, ESN and telephone number that it is own were transmitted into immediate IBSS.IBSS is transmitted into IMSCS with to the IMS authentication with the ESN of IMS and telephone number, and with communication channel with rent IP address assignment to IMS.IMS then generates bell signal and has notified customer call.
Compare with wired communication system, the wireless internet mobile communication system is more likely eavesdropped.In order to prevent this point, wireless Internet mobile communication service provider assign telephone numbers is given each user's IMS, and the IMS manufacturer distributes ESN to IMS.The telephone number of IMS has identical telephone system with the user's telephone number of wire communication service, and the ESN of IMS is unalterable.When IMS accepted wireless Internet mobile communication service, telephone number was assigned to IMS, and then registered in IHLRS with ESN.
Be registered in the state below of the position of IMS.
1) powers up (Power-up) registration: current state and the position of registration IMS when IMS powers on.
2) breakpoint (Power-down) registration: the state of registration IMS when IMS cuts off the power supply.
3) time-based registration: periodically register the position of IMS, thereby make IMS normally receive wireless Internet mobile communication service.
4) based on the registration of distance: in the position of IMS registration IMS during away from last (last) registration point.
5) based on the registration in zone: the new region that registration IMS moves to.
6) parameter change registration: register altered IMS parameter, that is, and the telephone number after the change etc.
7) order registration:, still register its position owing to lack the information of the position of registration IMS although IMSCS identifies the residing new region at IMS.
8) implicit registration: IMSCS by emission or receive response impliedly identify IMS moved to new when regional, the position of registration IMS.
9) Traffic Channel registration: move to newly when regional in the IMS communication process by switching, IMSCS oneself registers the position of IMS.
The processing of registration IMS position is performed in the wireless internet mobile communication system, and is as described below.
All coverages (being assigned to the zone of IHLRS) are divided into the zone that a plurality of registrations therein have the position of a plurality of call IMSs, that is, by the zone of IBSS management, each zone comprises one group of sub-district that is covered by IBSS.Location registers will be in IMSCS the position of the roaming of the user in the enrolled for service zone, and in the coverage, carry out and need not the participation of IHLRS by IMSCS.
When the user roamed in the adjacent areas, the execution of location registers was as follows.
When IMS moved to the position that other zone and request registration changed, IMSCS received parameter so that IMS is carried out authentication from IHLRS, and the position that changes of registration IMS.
Hereinafter, be in the IMSCS that (roams therein) in the reposition registration zone and be called as IMSCS (A), the IMSCS in the registration zone of position is called as IMSCS (B) in front.
When IMS request IMSCS (A) upgraded its position, IMSCS (A) request IHLRS upgraded the position of IMS.IHLRS differentiates via IMSCS (A) request IMS that then IMS responds this request via IMSCS (A) and finishes with notice IHLRS discriminating.Afterwards, IHLRS request IMSCS (B) deletion is about the user's of this IMS information.IMSCS (B) deletion information also notifies the IHLRS deletion to be done.Therefore, roaming is finished.
The present invention also can be presented as the computer-readable code in the recording medium that computer can read.Computer-readable recording medium is any data storage device that can be stored in thereafter by the data of computer system reads.Computer-readable recording medium comprises read-only memory (ROM), random-access memory (ram), CD-ROM, tape, floppy disk, light data storage device and the carrier wave data of Internet transmission (for example, by).The recording medium that computer can be read can also be assigned to the network that is coupled to computer system, thereby makes the embodied on computer readable coding be stored and carry out in distributed mode.
Although the present invention has carried out special demonstration and description with reference to its exemplary embodiment, will be understood by those skilled in the art that do not deviate from can make them under the spirit and scope of the present invention that limit by following claim on the various forms and details on change.
Industrial applicability
According to the present invention, at the system and method that is used for providing wireless Internet mobile communication service, even if when the user moves, video and character data also can be transmitted. Therefore, can provide incessantly wireless Internet mobile communication service with cheap price.
Claims (20)
1. internet base station system comprises:
First communication unit, it receives data with transfer of data to the internet mobile radio station and from the internet mobile radio station;
The second communication unit, it arrives internet system of mobile switching centre and internet attaching position register system with transfer of data, and receives data from internet system of mobile switching centre and internet attaching position register system;
Memory cell is stored the Internet Protocol address of himself and can be assigned at least one or a plurality of Internet Protocol address of renting of described internet mobile radio station;
Channel-assignment unit, when sending the internet mobile radio station call request message is sent to described internet system of mobile switching centre via described first communication unit, described channel-assignment unit receives the internet mobile radio station for described transmission traffic channel assignment; Or described internet system of mobile switching centre is when sending to the receiving internet mobile radio station with call request message, and described channel-assignment unit is given described receiving internet mobile radio station with traffic channel assignment;
Allocation unit, it will be rented Internet Protocol address and distribute to described transmission internet mobile radio station, to include the identifying information of described internet mobile radio station and rent the address allocation information of Internet Protocol address and the Internet Protocol address of described memory cell sends to described internet system of mobile switching centre, when the mobile communication between described transmission internet mobile radio station and described receiving internet mobile radio station finishes, from the described Internet Protocol address of renting of described transmission internet mobile radio station cancellation, and the cancellation notice that will describedly rent the IP address is to described internet system of mobile switching centre; And
Call controller, receive the Internet Protocol address of described receiving internet mobile radio station from described internet system of mobile switching centre, the Internet Protocol address of described receiving internet mobile radio station is transferred to described transmission internet mobile radio station, via the described transmission of the communication channel relaying internet mobile radio station of described transmission internet mobile radio station and the voice over the Internet protocol packet between the described receiving internet mobile radio station.
2. internet base station as claimed in claim 1 system, wherein, when contiguous internet base station system takes over the function of the described internet of management mobile radio station, described call controller is carried out the hand-off process that is used for described internet mobile radio station, and order described channel-assignment unit and described allocation unit to cancel described communication channel and rent Internet Protocol address to disconnect calling from described internet mobile radio station, described channel-assignment unit is cancelled described communication channel from described internet mobile radio station between the described transfer period that is used for described internet mobile radio station; And described allocation unit between the described transfer period that is used for described internet mobile radio station from the described Internet Protocol address of renting of described internet mobile radio station cancellation, and notify described internet system of mobile switching centre to cancel the described Internet Protocol address of renting from described internet mobile radio station.
3. internet base station as claimed in claim 2 system, wherein, when described internet mobile radio station received the request be used to switch, described call controller ordered described channel-assignment unit and described allocation unit to cancel described communication channel and the described Internet Protocol address of renting respectively at described call controller.
4. internet base station as claimed in claim 2 system, wherein, when the signal strength signal intensity that receives from described internet mobile radio station is lower than predetermined reference intensity, described call controller switches to described internet mobile switching centre system request, in the described internet internet base station system of system of mobile switching centre, select one to manage described internet mobile radio station in a plurality of vicinities, thereby when finishing described switching, described call controller orders described channel-assignment unit and described allocation unit to cancel described communication channel and the described Internet Protocol address of renting respectively.
5. internet base station as claimed in claim 1 system, wherein, described call request message comprises the identifying information of described transmission internet mobile radio station and the identifying information of described receiving internet mobile radio station.
6. as claim 1 or 5 described internet base station systems, wherein, the identifying information of internet mobile radio station comprises the Electronic Serial Number that at least one is distributed to the telephone number of described internet mobile radio station and distributes to described internet mobile radio station.
7. internet base station as claimed in claim 1 system, wherein, described allocation unit is distributed to described internet mobile radio station with the described Internet Protocol address of renting, and described internet mobile radio station described rented Internet Protocol address and identifying information stores in the described memory cell, to rent Internet Protocol address and described identifying information links with described.
8. internet base station as claimed in claim 1 system, wherein, at described call controller when described transmission internet mobile radio station receives described call request message, the described internet of described call controller request system of mobile switching centre distributes to described receiving internet mobile radio station based on the identifying information of described receiving internet mobile radio station with described communication channel and the described Internet Protocol address of renting, and the Internet Protocol address of renting of described receiving internet mobile radio station is sent to described transmission internet mobile radio station.
9. internet system of mobile switching centre comprises:
First communication unit is with the registration of Internet Protocol address information with ask relevant information to send to the internet base station system and receive data from described internet base station system;
The second communication unit sends to the data relevant with the request of described Internet Protocol address information connected internet attaching position register system and receives described data from described internet attaching position register system;
Memory cell, storage comprise the Internet Protocol address of the address lease information of the identifying information of internet mobile radio station, described internet base station system and/or are given the IP address of described internet mobile radio station by described internet base station system assignment;
Address manager, the storage first address lease information in described memory cell, the described first address lease information comprise the identifying information of the internet mobile radio station in the overlay area that enters described internet base station system and the IP address of described internet base station system; Described address manager when receiving the request of the described first address lease information of deletion from described internet base station system, the described first address lease information of deletion from described memory cell; Described address manager is stored the second address lease information in described memory cell, the described second address lease information comprises the Internet Protocol address of renting of the IP address of the identifying information of described internet mobile radio station and described internet base station system and described internet mobile radio station; Described address manager when receiving the request of the described IP of the renting address of the described internet of cancellation mobile radio station from described internet base station system, the described second address lease information of deletion from described memory cell; And
Call controller is searched for described memory cell based on the identifying information of the receiving internet mobile radio station that receives from transmission internet base station system; When described cell stores has with the Internet Protocol address of the corresponding receiving internet base station system of the identifying information of described receiving internet mobile radio station and rents Internet Protocol address, busy tone is sent to described transmission internet mobile radio station; When described memory cell is only stored Internet Protocol address with the corresponding described receiving internet base station system of the identifying information of described receiving internet mobile radio station, order described receiving internet base station system with communication channel with rent Internet Protocol address and distribute to described receiving internet mobile radio station; The Internet Protocol address of renting of the described receiving internet mobile radio station that will receive from described receiving internet base station system sends to described transmission internet base station system; And the Internet Protocol address of renting of described transmission internet mobile radio station sent to described receiving internet base station system.
10. internet as claimed in claim 9 system of mobile switching centre, wherein:
When the hand-off process of the described Internet Protocol address of renting of the described address manager of described internet base station notifications by the mobile radio station that is used for described transmission internet mobile radio station and receiving internet mobile radio station and is used to switch is cancelled, the deletion of described address manager is rented information with the corresponding Internet Protocol address of the described mobile radio station that is used to switch, and the Internet Protocol address of the described mobile radio station that is used to switch that receives from the contiguous internet base station system that has taken over the management function of the described mobile radio station that is used to switch of storage is rented information; And
Call controller sends to described transmission internet mobile radio station and receiving internet mobile radio station and corresponding another mobile radio station of the described mobile radio station that is used to switch with the reformed Internet Protocol address of renting of the described mobile radio station that is used for switching.
11. internet as claimed in claim 9 system of mobile switching centre, wherein, when the identifying information of described reception mobile radio station belongs to the identifying information of the internet mobile radio station in PSTN or the wireless Internet, described call controller sends to the gateway system that is connected with PSTN or wireless Internet with the Internet Protocol address of renting of described transmission internet mobile radio station, and the Internet Protocol address of described gateway system is sent to described transmission internet mobile radio station.
12. internet as claimed in claim 9 system of mobile switching centre, wherein, when described memory cell is not stored the identifying information of described receiving internet mobile radio station, described call controller sends to the internet attaching position register with the identifying information of described receiving internet mobile radio station, the internet system of mobile switching centre that the described internet base station system that manages described receiving internet mobile radio station is managed with identification, described call controller receives the Internet Protocol address of renting of described internet mobile radio station from described identified internet system of mobile switching centre, and the Internet Protocol address of renting of described receiving internet mobile radio station sent to described transmission internet base station system, and the Internet Protocol address of renting of described transmission internet mobile radio station is sent to described receiving internet base station system.
13. the method that wireless Internet mobile communication service is provided comprises:
(a) receiving call request message from the first internet mobile radio station or when internet system of mobile switching centre sends to described call request message the described first internet mobile radio station, giving the described first internet mobile radio station traffic channel assignment;
(b) will rent Internet Protocol address and distribute to the described first internet mobile radio station, and address allocation information sent to described internet system of mobile switching centre, and be stored in wherein address lease database, described address allocation information comprises the identifying information of the described first internet mobile radio station and rents the Internet Protocol address and the identifying information of the Internet Protocol address and the second internet mobile radio station, and the described second internet mobile radio station is and the corresponding internet of described first internet mobile radio station mobile radio station;
(c) will the Internet Protocol address of the described second internet mobile radio station be sent to the described first internet mobile radio station according to following steps from described internet system of mobile switching centre:
I) based on searching for described address lease database from second internet base station system identifying information that receive, the described first internet mobile radio station,
Ii) when described address lease database has the corresponding Internet Protocol address of the identifying information with the described first internet mobile radio station of the first internet base station system and rents Internet Protocol address, busy tone is delivered to the above-mentioned second internet base station system,
Iii) when described address lease database only has the corresponding Internet Protocol address of the identifying information receiving internet base station system and the described first internet mobile radio station, order described receiving internet base station system with communication channel with rent Internet Protocol address and distribute to the described first internet mobile radio station
Iv) the Internet Protocol address of renting of the described first internet mobile radio station is sent to the described second internet base station system, and the Internet Protocol address of renting of the described second internet mobile radio station is sent to described first internet base station from the described first internet base station system;
(d) via the communication channel of distributing to the described first internet mobile radio station, the voice over the Internet protocol packet between described first internet mobile radio station of relaying and the described second internet mobile radio station; And
(e) voice communication between described first internet mobile radio station and the described second internet mobile radio station finishes or the switching that is used for described first internet mobile radio station and/or the described second internet mobile radio station when being performed, the described Internet Protocol address of renting of cancellation from described first internet mobile radio station and/or the described second internet mobile radio station, and notify described internet system of mobile switching centre from described first internet mobile radio station and/or the described second internet mobile radio station, to cancel the described IP of renting address.
14. method as claimed in claim 13 wherein comprises in the step (e):
(e1) measure the signal strength signal intensity that receives from described internet mobile radio station;
(e2) when the intensity of described measurement is lower than predetermined reference intensity, system request is switched to described internet mobile switching centre;
(e3) carry out when switching with one of a plurality of contiguous internet base station system by selecting to utilize the described internet mobile switching centre described internet of system management mobile radio station when receiving order, cancel described communication channel and the described Internet Protocol address of renting from described internet mobile radio station;
(e4) notify described internet system of the mobile switching centre described IP of renting address to be cancelled from described internet mobile radio station.
15. method as claimed in claim 13, wherein, the identifying information of described internet mobile radio station comprise in the telephone number of described internet mobile radio station and the Electronic Serial Number one of at least.
16. method as claimed in claim 13 in step (a) before, also comprises: the described identifying information of described internet mobile radio station is sent to internet attaching position register system, to register described internet mobile radio station.
17. method as claimed in claim 13, wherein, step (e) comprising:
(e1) by being used for the switching of the described first internet mobile radio station, when described internet base station system receives the described request of renting Internet Protocol address of the described first internet mobile radio station of cancellation, deletion and the corresponding address allocation information of the described first internet mobile radio station from described address lease database;
(e2) receive and the described first internet mobile radio station corresponding address assignment information from the contiguous internet base station system that has taken over the management function of the first internet mobile radio station, and in described address lease database the described address allocation information of storage;
(e3) the reformed Internet Protocol address of renting with the described first internet mobile radio station sends to and the corresponding second internet mobile radio station of the described first internet mobile radio station; And
(e4) receiving when cancelling the described request of renting Internet Protocol address of the described first internet mobile radio station deletion and the corresponding address allocation information of the described first internet mobile radio station from described address lease database from described internet base station system owing to sign off being used to of causing.
18. method as claimed in claim 13, wherein, in described step (c), when the identifying information of the described first internet mobile radio station belongs to the identifying information of the internet mobile radio station in PSTN or the wireless Internet, the Internet Protocol address of renting of the described second internet mobile radio station is sent to the gateway system that is connected in PSTN or wireless Internet, and the Internet Protocol address of gateway system is sent to the described second internet mobile radio station.
19. method as claimed in claim 13, wherein, in described step (c), when the identifying information of determining the described first internet mobile radio station is the identifying information that belongs to by the internet mobile radio station of the wireless internet mobile communication network of other wireless Internet mobile communication service provider operation, the described identifying information of the described first internet mobile radio station is sent to the internet attaching position register that is arranged in by the wireless internet mobile communication network of other wireless Internet mobile communication service provider operation, to discern the internet system of mobile switching centre that the internet base station system that manages the described first internet mobile radio station is managed, the Internet Protocol address of renting of the described first internet mobile radio station is sent to the described second internet base station system from described internet system of mobile switching centre, and the Internet Protocol address of renting of the described second internet mobile radio station is sent to the described first internet base station system.
20. an internet mobile communication terminal comprises:
Speech processor is converted to the signal of telecommunication with input speech signal, or is voice signal with electrical signal conversion;
Keyboard receives order from the user;
Communication controler, it uses predetermined agreement call request message to be sent to the internet base station system that is connected to wireless Internet, and by described internet base station system assignment communication channel and Internet Protocol address setting up communication path, and response sends to described internet base station system by the paging signal of described internet base station system broadcasts with its identifying information; And
Data packet processor, based on the Internet Protocol address of renting by described internet base station system assignment, from digital speech and video data and by generating the Internet Protocol packet the order data of keyboard input, and be digital speech and video data and character data with described Internet Protocol data packet recovery.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| KR1020030006642A KR20030031929A (en) | 2003-02-03 | 2003-02-03 | Wireless Internet Mobile Telephone System & Method |
| KR1020030006642 | 2003-02-03 | ||
| KR1020040006829 | 2004-02-03 |
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| CN1745595A CN1745595A (en) | 2006-03-08 |
| CN100379232C true CN100379232C (en) | 2008-04-02 |
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| CNB2004800034159A Expired - Fee Related CN100379232C (en) | 2003-02-03 | 2004-02-03 | System for providing wireless internet mobile communication service and method of the same |
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| KR (2) | KR20030031929A (en) |
| CN (1) | CN100379232C (en) |
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| US7289828B2 (en) * | 2004-03-17 | 2007-10-30 | Interdigital Technology Corporation | Method for steering a smart antenna for a WLAN using a periodic re-scan |
| EP2036390A1 (en) * | 2006-06-30 | 2009-03-18 | Vonage Network LLC | Apparatus and system for localized multi-media communications and network |
| KR100805855B1 (en) * | 2006-11-03 | 2008-02-21 | (주)네닉스 | Internet phone connection system and method for connecting internet phone |
| US11588785B2 (en) * | 2018-07-05 | 2023-02-21 | Interdigital Patent Holdings, Inc. | Methods and procedures for the dynamic mac address distribution in IEEE 802.11 networks |
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| US5953322A (en) * | 1997-01-31 | 1999-09-14 | Qualcomm Incorporated | Cellular internet telephone |
| US6359880B1 (en) * | 1997-03-11 | 2002-03-19 | James E. Curry | Public wireless/cordless internet gateway |
| US20020075850A1 (en) * | 2000-12-20 | 2002-06-20 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for using the voice over internet protocol to handoff call connections |
| US20020126656A1 (en) * | 2001-03-10 | 2002-09-12 | Samsung Electronics Co., Ltd. | Method of providing packet voice call service in wireless communication network and network architecture therefor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020037786A (en) * | 2000-11-15 | 2002-05-23 | 구자홍 | All ip networking system for mobile communication system |
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2003
- 2003-02-03 KR KR1020030006642A patent/KR20030031929A/en unknown
-
2004
- 2004-02-03 KR KR1020040006829A patent/KR100738457B1/en not_active IP Right Cessation
- 2004-02-03 CN CNB2004800034159A patent/CN100379232C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5953322A (en) * | 1997-01-31 | 1999-09-14 | Qualcomm Incorporated | Cellular internet telephone |
| US6359880B1 (en) * | 1997-03-11 | 2002-03-19 | James E. Curry | Public wireless/cordless internet gateway |
| US20020075850A1 (en) * | 2000-12-20 | 2002-06-20 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for using the voice over internet protocol to handoff call connections |
| US20020126656A1 (en) * | 2001-03-10 | 2002-09-12 | Samsung Electronics Co., Ltd. | Method of providing packet voice call service in wireless communication network and network architecture therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1745595A (en) | 2006-03-08 |
| KR20030031929A (en) | 2003-04-23 |
| KR20040071071A (en) | 2004-08-11 |
| KR100738457B1 (en) | 2007-07-12 |
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