CN103002580A - Method for acquiring corresponding relation between mobile terminal IP (internet protocol) address and UATI (unicast access terminal identifier) - Google Patents
Method for acquiring corresponding relation between mobile terminal IP (internet protocol) address and UATI (unicast access terminal identifier) Download PDFInfo
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- CN103002580A CN103002580A CN2011102721275A CN201110272127A CN103002580A CN 103002580 A CN103002580 A CN 103002580A CN 2011102721275 A CN2011102721275 A CN 2011102721275A CN 201110272127 A CN201110272127 A CN 201110272127A CN 103002580 A CN103002580 A CN 103002580A
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Abstract
The invention discloses a method for acquiring corresponding relation between a mobile terminal IP (protocol) address and an UATI (unicast access terminal identifier), and belongs to the technical field of CDMA 20001xEV-DO mobile communication. An MAC index serves as a bridge, and the corresponding relation between the mobile terminal IP address and the UATI is established on the basis of acquiring corresponding relation between the UATI and the MACIndex and corresponding relation between the mobile terminal IP address and the MAC Index respectively. Direct conversion of mobile user identifiers assigned by two different types of network elements is possible, and application to the UATI is also adaptable to conditions of known mobile terminal IP address. Accordingly, the method is applicable to situations needing to acquire mobile terminal UATI and perform correlation application of the UATI on the premise of the known mobile terminal IP address in CDMA 20001xEV-DO.
Description
Technical field
The invention belongs to CDMA2000 1xEV-DO mobile communication technology field, be specifically related to a kind of method of obtaining IP address of mobile terminal and UATI corresponding relation by CDMA2000 1xEV-DO air interface downstream message.
Background technology
In CDMA2000 1xEV-DO mobile communication system, after each terminal and network were set up and communicated by letter, network all can be given unique identification code of terminal distribution.IP address of mobile terminal and UATI are the signs of identifying portable terminal, but owing to be that different network elements is distributed, so there is more doubt problem in the corresponding relation between IP address of mobile terminal and the UATI.
MACIndex is that CDMA2000 1xEV-DO system is in order to support and distinguish a plurality of signs that are in simultaneously the user of session activation state and introduce, as user ID or forward channel (MAC channel, Traffic Channel and the control channel) sign of with it communication.MACIndex can set up corresponding relation with IP address of mobile terminal and UATI respectively, and finally by MACIndex as bridge, set up the corresponding relation of IP address of mobile terminal and UATI.
Summary of the invention
Purpose of the present invention just is to be distributed by different mobile communication network elements with UATI for IP address of mobile terminal, the problem that the corresponding relation of IP address of mobile terminal and UATI is difficult to determine provides a kind of method of obtaining IP address of mobile terminal and UATI corresponding relation by CDMA2000 1xEV-DO air interface downstream message.
The objective of the invention is take MACIndex as bridge, on the basis that obtains respectively corresponding relation between corresponding relation between UATI and the MACIndex and IP address of mobile terminal and the MACIndex, set up the corresponding relation between IP address of mobile terminal and the UATI;
Specifically, the present invention includes the following step:
1. obtain corresponding relation between portable terminal UATI and the MACIndex
By resolve the TrafficChannelAssignment message in the air interface downstream message in physical layer, the terminal iidentification record field that contains from MAC layer data packet header obtains UATI; From TrafficChannelAssignment message, be assigned to the MACIndex information acquisition MACIndex of portable terminal, thereby obtain corresponding relation between portable terminal UATI and the MACIndex;
2. obtain corresponding relation between IP address of mobile terminal and the MACIndex
Obtain MACIndex by resolving the Traffic Channel prefix, by resolving the purpose IP address that comprises in the Traffic Channel, obtain IP address of mobile terminal, thereby obtain corresponding relation between IP address of mobile terminal and the MACIndex;
3. take MACIndex as bridge, set up the corresponding relation of IP address of mobile terminal and UATI
Comprehensive describedly 1. obtain between UATI and the MACIndex corresponding relation and 2. obtain corresponding relation between IP address of mobile terminal and the MACIndex, related by MACIndex, can set up the corresponding relation of IP address of mobile terminal and UATI.
The present invention has following advantages and good effect:
1, by setting up the corresponding relation of IP address of mobile terminal and UATI, the mobile user identification that is distributed by two kinds of different network elements is directly changed into as possibility, make the situation that is equally applicable to known IP address of mobile terminal for the application of UATI.
2, the present invention is applicable to need to obtain portable terminal UATI, and carry out the scene of UATI related application in the known IP address of mobile terminal situation of CDMA2000 1xEV-DO.
Description of drawings
Fig. 1 is the flow chart that obtains IP address of mobile terminal and UATI corresponding relation by the downstream message of air interface.
English to Chinese:
1, UATI-unicast terminal address designator (Unicast Access Terminal Identifier).
2, MAC-media access control (Medium Access Control).
3, MACIndex-forward channel sign.
Embodiment
Describe in detail below in conjunction with drawings and Examples:
Such as Fig. 1, the flow process that the downstream message by air interface obtains IP address of mobile terminal and UATI corresponding relation is:
1. begin initialization 1, receive the air interface downstream message;
2. read the prefix of the physical packet of data of air interface downstream message, obtaining this channel of sign is control channel or the field MACIndex of Traffic Channel 2;
3. judge whether control channel identifies 3 to MACIndex, then to enter next step, otherwise obtain MACIndex by resolving the Traffic Channel prefix, by resolving the purpose IP address address that comprises in the Traffic Channel, obtain to enter step 6. behind the IP address of mobile terminal 4;
4. whether the decision message type has traffic-channel assignment message TrafficChannelAssignment 5, is then to enter next step, otherwise abandons 6;
5. obtain UATI by the terminal iidentification record field that contains in the MAC layer data packet header, by being assigned to the MACIndex information acquisition MACIndex 7 of portable terminal in the TrafficChannelAssignment message;
6. by the MACIndex association, set up the corresponding relation 8 of IP address of mobile terminal and UATI.
7. finish 9.
Claims (2)
1. one kind is obtained the method for IP address of mobile terminal and UATI corresponding relation by CDMA2000 1xEV-DO air interface downstream message, it is characterized in that:
Take MACIndex as bridge, on the basis that obtains respectively corresponding relation between corresponding relation between UATI and the MACIndex and IP address of mobile terminal and the MACIndex, set up the corresponding relation between IP address of mobile terminal and the UATI;
Comprise the following steps:
1. obtain corresponding relation between portable terminal UATI and the MACIndex
By resolve the TrafficChannelAssignment message in the air interface downstream message in physical layer, the terminal iidentification record field that contains from MAC layer data packet header obtains UATI; From TrafficChannelAssignment message, be assigned to the MACIndex information acquisition MACIndex of portable terminal, thereby obtain corresponding relation between portable terminal UATI and the MACIndex;
2. obtain corresponding relation between IP address of mobile terminal and the MACIndex
Obtain MACIndex by resolving the Traffic Channel prefix, by resolving the purpose IP address that comprises in the Traffic Channel, obtain IP address of mobile terminal, thereby obtain corresponding relation between IP address of mobile terminal and the MACIndex;
3. take MACIndex as bridge, set up the corresponding relation of IP address of mobile terminal and UATI
Comprehensive describedly 1. obtain between UATI and the MACIndex corresponding relation and 2. obtain corresponding relation between IP address of mobile terminal and the MACIndex, related by MACIndex, can set up the corresponding relation of IP address of mobile terminal and UATI.
2. by the method for obtaining IP address of mobile terminal and UATI corresponding relation claimed in claim 1, it is characterized in that:
1. begin initialization (1), receive the air interface downstream message;
2. read the prefix of the physical packet of data of air interface downstream message, obtaining this channel of sign is control channel or the field MACIndex of Traffic Channel (2);
3. judge whether control channel identifies (3) to MACIndex, then to enter next step, otherwise obtain MACIndex by resolving the Traffic Channel prefix, by resolving the purpose IP address address that comprises in the Traffic Channel, obtain to enter step 6. behind the IP address of mobile terminal (4);
4. whether the decision message type has traffic-channel assignment message TrafficChannelAssignment (5), is then to enter next step, otherwise abandons (6);
5. obtain UATI by the terminal iidentification record field that contains in the MAC layer data packet header, by being assigned to the MACIndex information acquisition MACIndex (7) of portable terminal in the TrafficChannelAssignment message;
6. by the MACIndex association, set up the corresponding relation (8) of IP address of mobile terminal and UATI;
7. finish (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102721275A CN103002580A (en) | 2011-09-15 | 2011-09-15 | Method for acquiring corresponding relation between mobile terminal IP (internet protocol) address and UATI (unicast access terminal identifier) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102721275A CN103002580A (en) | 2011-09-15 | 2011-09-15 | Method for acquiring corresponding relation between mobile terminal IP (internet protocol) address and UATI (unicast access terminal identifier) |
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| CN103002580A true CN103002580A (en) | 2013-03-27 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853394A (en) * | 2003-07-15 | 2006-10-25 | 高通股份有限公司 | System and method for using an ip address as a wireless unit identifier |
| US20070047478A1 (en) * | 2005-08-30 | 2007-03-01 | Lucent Technologies Inc. | Method for access assurance in a wireless communication system |
| CN101015224A (en) * | 2004-05-18 | 2007-08-08 | 爱尔瓦纳股份有限公司 | Radio network control |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853394A (en) * | 2003-07-15 | 2006-10-25 | 高通股份有限公司 | System and method for using an ip address as a wireless unit identifier |
| CN101015224A (en) * | 2004-05-18 | 2007-08-08 | 爱尔瓦纳股份有限公司 | Radio network control |
| US20070047478A1 (en) * | 2005-08-30 | 2007-03-01 | Lucent Technologies Inc. | Method for access assurance in a wireless communication system |
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Application publication date: 20130327 |